Sophie Dexter
/
Just4Trionic
Just4Trionic - CAN and BDM FLASH programmer for Saab cars
bdmcpu32.cpp@6:2fbcbebed28c, 2016-04-23 (annotated)
- Committer:
- Just4pLeisure
- Date:
- Sat Apr 23 18:31:40 2016 +0000
- Revision:
- 6:2fbcbebed28c
- Parent:
- 5:1775b4b13232
Version 1.6 Faster T7 P-BUS FLASHing algorithm, longer T8 erase timeout fixed BDM register display function
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Just4pLeisure | 1:d5452e398b76 | 1 | /******************************************************************************* |
Just4pLeisure | 1:d5452e398b76 | 2 | |
Just4pLeisure | 1:d5452e398b76 | 3 | bdmcpu32.cpp |
Just4pLeisure | 1:d5452e398b76 | 4 | (c) 2010 by Sophie Dexter |
Just4pLeisure | 1:d5452e398b76 | 5 | |
Just4pLeisure | 1:d5452e398b76 | 6 | Generic BDM functions for Just4Trionic by Just4pLeisure |
Just4pLeisure | 1:d5452e398b76 | 7 | |
Just4pLeisure | 1:d5452e398b76 | 8 | A derivative work based on: |
Just4pLeisure | 1:d5452e398b76 | 9 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 10 | // CAN/BDM adapter firmware |
Just4pLeisure | 1:d5452e398b76 | 11 | // (C) Janis Silins, 2010 |
Just4pLeisure | 1:d5452e398b76 | 12 | // $id$ |
Just4pLeisure | 1:d5452e398b76 | 13 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 14 | |
Just4pLeisure | 1:d5452e398b76 | 15 | ******************************************************************************** |
Just4pLeisure | 1:d5452e398b76 | 16 | |
Just4pLeisure | 1:d5452e398b76 | 17 | WARNING: Use at your own risk, sadly this software comes with no guarantees. |
Just4pLeisure | 1:d5452e398b76 | 18 | This software is provided 'free' and in good faith, but the author does not |
Just4pLeisure | 1:d5452e398b76 | 19 | accept liability for any damage arising from its use. |
Just4pLeisure | 1:d5452e398b76 | 20 | |
Just4pLeisure | 1:d5452e398b76 | 21 | *******************************************************************************/ |
Just4pLeisure | 1:d5452e398b76 | 22 | |
Just4pLeisure | 1:d5452e398b76 | 23 | #include "bdmcpu32.h" |
Just4pLeisure | 1:d5452e398b76 | 24 | |
Just4pLeisure | 1:d5452e398b76 | 25 | // constants |
Just4pLeisure | 1:d5452e398b76 | 26 | #define MCU_SETTLE_TIME 10 ///< delay to let MCU switch modes, ms |
Just4pLeisure | 1:d5452e398b76 | 27 | #define CMD_BIT_COUNT 17 ///< command size, bits |
Just4pLeisure | 1:d5452e398b76 | 28 | |
Just4pLeisure | 1:d5452e398b76 | 29 | // BDM commands |
Just4pLeisure | 1:d5452e398b76 | 30 | #define BDM_NOP 0x0000 ///< no-op |
Just4pLeisure | 1:d5452e398b76 | 31 | #define BDM_GO 0x0c00 ///< resume execution |
Just4pLeisure | 1:d5452e398b76 | 32 | #define BDM_WRITE 0x1800 ///< write memory |
Just4pLeisure | 1:d5452e398b76 | 33 | #define BDM_READ 0x1900 ///< read memory |
Just4pLeisure | 1:d5452e398b76 | 34 | #define BDM_WSREG 0x2480 ///< write system register |
Just4pLeisure | 1:d5452e398b76 | 35 | #define BDM_RSREG 0x2580 ///< read system register |
Just4pLeisure | 1:d5452e398b76 | 36 | #define BDM_RDREG 0x2180 ///< read A/D register |
Just4pLeisure | 1:d5452e398b76 | 37 | #define BDM_WRREG 0x2080 ///< write A/D register |
Just4pLeisure | 1:d5452e398b76 | 38 | #define BDM_DUMP 0x1d00 ///< dump memory |
Just4pLeisure | 1:d5452e398b76 | 39 | #define BDM_FILL 0x1c00 ///< fill memory |
Just4pLeisure | 1:d5452e398b76 | 40 | #define BDM_CALL 0x0800 ///< function call |
Just4pLeisure | 1:d5452e398b76 | 41 | #define BDM_RST 0x0400 ///< reset |
Just4pLeisure | 1:d5452e398b76 | 42 | |
Just4pLeisure | 1:d5452e398b76 | 43 | // system registers |
Just4pLeisure | 1:d5452e398b76 | 44 | #define SREG_RPC 0x0 |
Just4pLeisure | 1:d5452e398b76 | 45 | #define SREG_PCC 0x1 |
Just4pLeisure | 1:d5452e398b76 | 46 | #define SREG_SR 0xb |
Just4pLeisure | 1:d5452e398b76 | 47 | #define SREG_USP 0xc |
Just4pLeisure | 1:d5452e398b76 | 48 | #define SREG_SSP 0xd |
Just4pLeisure | 1:d5452e398b76 | 49 | #define SREG_SFC 0xe |
Just4pLeisure | 1:d5452e398b76 | 50 | #define SREG_DFC 0xf |
Just4pLeisure | 1:d5452e398b76 | 51 | #define SREG_ATEMP 0x8 |
Just4pLeisure | 1:d5452e398b76 | 52 | #define SREG_FAR 0x9 |
Just4pLeisure | 1:d5452e398b76 | 53 | #define SREG_VBR 0xa |
Just4pLeisure | 1:d5452e398b76 | 54 | |
Just4pLeisure | 1:d5452e398b76 | 55 | // BDM responses |
Just4pLeisure | 1:d5452e398b76 | 56 | #define BDM_CMDCMPLTE 0x0000ffff ///< command complete |
Just4pLeisure | 1:d5452e398b76 | 57 | #define BDM_NOTREADY 0x00010000 ///< response not ready |
Just4pLeisure | 1:d5452e398b76 | 58 | #define BDM_BERR 0x00010001 ///< error |
Just4pLeisure | 1:d5452e398b76 | 59 | #define BDM_ILLEGAL 0x0001ffff ///< illegal command |
Just4pLeisure | 1:d5452e398b76 | 60 | |
Just4pLeisure | 1:d5452e398b76 | 61 | // BDM data sizes |
Just4pLeisure | 1:d5452e398b76 | 62 | #define BDM_BYTESIZE 0x00 ///< byte |
Just4pLeisure | 1:d5452e398b76 | 63 | #define BDM_WORDSIZE 0x40 ///< word (2 bytes) |
Just4pLeisure | 1:d5452e398b76 | 64 | #define BDM_LONGSIZE 0x80 ///< long word (4 bytes) |
Just4pLeisure | 1:d5452e398b76 | 65 | |
Just4pLeisure | 5:1775b4b13232 | 66 | // Bit-Banding memory region constants and macros |
Just4pLeisure | 5:1775b4b13232 | 67 | #define RAM_BASE 0x20000000 |
Just4pLeisure | 5:1775b4b13232 | 68 | #define RAM_BB_BASE 0x22000000 |
Just4pLeisure | 5:1775b4b13232 | 69 | #define PERIHERALS_BASE 0x40000000 |
Just4pLeisure | 5:1775b4b13232 | 70 | #define PERIHERALS_BB_BASE 0x42000000 |
Just4pLeisure | 5:1775b4b13232 | 71 | #define LPC1768_AHB_BANK_0 0x2007C000 |
Just4pLeisure | 5:1775b4b13232 | 72 | #define LPC1768_AHB_BANK_1 0x20080000 |
Just4pLeisure | 5:1775b4b13232 | 73 | #define LPC1768_AHB_BANK_SIZE 0x00004000 |
Just4pLeisure | 5:1775b4b13232 | 74 | #define LPC1768_PERIPH_BANK 0x2009C000 |
Just4pLeisure | 5:1775b4b13232 | 75 | #define LPC1768_PERIPH_SIZE 0x00004000 |
Just4pLeisure | 5:1775b4b13232 | 76 | |
Just4pLeisure | 5:1775b4b13232 | 77 | #define varBit(Variable,BitNumber) (*(uint32_t *) (RAM_BB_BASE | (((uint32_t)&Variable - RAM_BASE) << 5) | ((BitNumber) << 2))) |
Just4pLeisure | 5:1775b4b13232 | 78 | #define periphBit(Peripheral,BitNumber) (*(uint32_t *) (PERIHERALS_BB_BASE | (((uint32_t)&Peripheral - PERIHERALS_BASE) << 5) | ((BitNumber) << 2))) |
Just4pLeisure | 5:1775b4b13232 | 79 | #define bitAlias(Variable,BitNumber) (*(uint32_t *) (RAM_BB_BASE | (((uint32_t)&Variable - RAM_BASE) << 5) | ((BitNumber) << 2))) |
Just4pLeisure | 5:1775b4b13232 | 80 | |
Just4pLeisure | 1:d5452e398b76 | 81 | // static variables |
Just4pLeisure | 5:1775b4b13232 | 82 | __attribute__((section("AHBSRAM0"))) static uint32_t bdm_response = 0; ///< result of BDM read/write operation |
Just4pLeisure | 1:d5452e398b76 | 83 | |
Just4pLeisure | 1:d5452e398b76 | 84 | // private functions |
Just4pLeisure | 1:d5452e398b76 | 85 | bool bdm_read(uint32_t* result, uint16_t cmd, const uint32_t* addr); |
Just4pLeisure | 1:d5452e398b76 | 86 | //bool bdm_read_overlap(uint32_t* result, uint16_t cmd, const uint32_t* addr, uint16_t next_cmd); |
Just4pLeisure | 1:d5452e398b76 | 87 | //bool bdm_read_continue(uint32_t* result, const uint32_t* addr, uint16_t next_cmd); |
Just4pLeisure | 1:d5452e398b76 | 88 | bool bdm_write(const uint32_t* addr, uint16_t cmd, const uint32_t* value); |
Just4pLeisure | 1:d5452e398b76 | 89 | //bool bdm_write_overlap(const uint32_t* addr, uint16_t cmd, const uint32_t* value, uint16_t next_cmd); |
Just4pLeisure | 5:1775b4b13232 | 90 | // |
Just4pLeisure | 5:1775b4b13232 | 91 | //void bdm_clk(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 5:1775b4b13232 | 92 | void bdm_clk_slow(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 2:bf3a2b29259a | 93 | void bdm_clk_fast(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 5:1775b4b13232 | 94 | void bdm_clk_turbo(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 5:1775b4b13232 | 95 | void bdm_clk_nitrous(uint16_t value, uint8_t num_bits); |
Just4pLeisure | 5:1775b4b13232 | 96 | void (*bdm_clk)(uint16_t value, uint8_t num_bits) = bdm_clk_slow; |
Just4pLeisure | 5:1775b4b13232 | 97 | // |
Just4pLeisure | 1:d5452e398b76 | 98 | void bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 99 | |
Just4pLeisure | 1:d5452e398b76 | 100 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 101 | /** |
Just4pLeisure | 1:d5452e398b76 | 102 | Stops target MCU and puts into background debug mode (BDM). |
Just4pLeisure | 1:d5452e398b76 | 103 | |
Just4pLeisure | 1:d5452e398b76 | 104 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 105 | */ |
Just4pLeisure | 5:1775b4b13232 | 106 | uint8_t stop_chip() |
Just4pLeisure | 5:1775b4b13232 | 107 | { |
Just4pLeisure | 1:d5452e398b76 | 108 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 109 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 110 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 111 | } |
Just4pLeisure | 1:d5452e398b76 | 112 | |
Just4pLeisure | 1:d5452e398b76 | 113 | // pull BKPT low to enter background mode (the pin must remain in output mode, |
Just4pLeisure | 1:d5452e398b76 | 114 | // otherwise the target will pull it high and we'll lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 115 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 116 | // set BPKT pin as output |
Just4pLeisure | 1:d5452e398b76 | 117 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 118 | |
Just4pLeisure | 1:d5452e398b76 | 119 | // wait for target MCU to settle |
Just4pLeisure | 5:1775b4b13232 | 120 | //wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 5:1775b4b13232 | 121 | timeout.reset(); |
Just4pLeisure | 5:1775b4b13232 | 122 | timeout.start(); |
Just4pLeisure | 5:1775b4b13232 | 123 | while (!IN_BDM & (timeout.read_ms() < MCU_SETTLE_TIME)) |
Just4pLeisure | 5:1775b4b13232 | 124 | timeout.stop(); |
Just4pLeisure | 1:d5452e398b76 | 125 | |
Just4pLeisure | 1:d5452e398b76 | 126 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 127 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 128 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 129 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 130 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 131 | } |
Just4pLeisure | 1:d5452e398b76 | 132 | |
Just4pLeisure | 1:d5452e398b76 | 133 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 134 | } |
Just4pLeisure | 1:d5452e398b76 | 135 | |
Just4pLeisure | 1:d5452e398b76 | 136 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 137 | /** |
Just4pLeisure | 1:d5452e398b76 | 138 | Forces hardware reset on target MCU and lets it run. |
Just4pLeisure | 1:d5452e398b76 | 139 | |
Just4pLeisure | 1:d5452e398b76 | 140 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 141 | */ |
Just4pLeisure | 5:1775b4b13232 | 142 | uint8_t reset_chip() |
Just4pLeisure | 5:1775b4b13232 | 143 | { |
Just4pLeisure | 1:d5452e398b76 | 144 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 145 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 146 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 147 | } |
Just4pLeisure | 1:d5452e398b76 | 148 | |
Just4pLeisure | 1:d5452e398b76 | 149 | // BKPT pin as input |
Just4pLeisure | 1:d5452e398b76 | 150 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 151 | // push RESET low |
Just4pLeisure | 1:d5452e398b76 | 152 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 153 | // RESET pins as output |
Just4pLeisure | 1:d5452e398b76 | 154 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 155 | // wait for MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 156 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 157 | // rising edge on RESET line |
Just4pLeisure | 1:d5452e398b76 | 158 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 159 | // wait for MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 160 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 161 | |
Just4pLeisure | 1:d5452e398b76 | 162 | // set RESET as an input again |
Just4pLeisure | 1:d5452e398b76 | 163 | PIN_RESET.input(); |
Just4pLeisure | 1:d5452e398b76 | 164 | |
Just4pLeisure | 1:d5452e398b76 | 165 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 166 | return IS_RUNNING ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 167 | } |
Just4pLeisure | 1:d5452e398b76 | 168 | |
Just4pLeisure | 1:d5452e398b76 | 169 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 170 | /** |
Just4pLeisure | 1:d5452e398b76 | 171 | Starts target MCU from the specified address. If address is 0, execution |
Just4pLeisure | 1:d5452e398b76 | 172 | begins at the current address in program counter. |
Just4pLeisure | 1:d5452e398b76 | 173 | |
Just4pLeisure | 1:d5452e398b76 | 174 | @param addr start address |
Just4pLeisure | 1:d5452e398b76 | 175 | |
Just4pLeisure | 1:d5452e398b76 | 176 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 177 | */ |
Just4pLeisure | 5:1775b4b13232 | 178 | uint8_t run_chip(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 179 | { |
Just4pLeisure | 1:d5452e398b76 | 180 | // check state |
Just4pLeisure | 1:d5452e398b76 | 181 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 182 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 183 | } |
Just4pLeisure | 1:d5452e398b76 | 184 | |
Just4pLeisure | 1:d5452e398b76 | 185 | // set program counter |
Just4pLeisure | 1:d5452e398b76 | 186 | if ((*addr > 0) && sysreg_write(SREG_RPC, addr) != TERM_OK) { |
Just4pLeisure | 1:d5452e398b76 | 187 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 188 | } |
Just4pLeisure | 1:d5452e398b76 | 189 | // resume MCU |
Just4pLeisure | 1:d5452e398b76 | 190 | bdm_clk(BDM_GO, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 191 | |
Just4pLeisure | 1:d5452e398b76 | 192 | // set BKPT back as input |
Just4pLeisure | 5:1775b4b13232 | 193 | // PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 194 | |
Just4pLeisure | 1:d5452e398b76 | 195 | return TERM_OK; |
Just4pLeisure | 5:1775b4b13232 | 196 | // wait for target MCU to settle |
Just4pLeisure | 5:1775b4b13232 | 197 | timeout.reset(); |
Just4pLeisure | 5:1775b4b13232 | 198 | timeout.start(); |
Just4pLeisure | 5:1775b4b13232 | 199 | // while (!IS_RUNNING & (timeout.read_ms() < MCU_SETTLE_TIME)) |
Just4pLeisure | 5:1775b4b13232 | 200 | while (IN_BDM & (timeout.read_ms() < MCU_SETTLE_TIME)) |
Just4pLeisure | 5:1775b4b13232 | 201 | timeout.stop(); |
Just4pLeisure | 5:1775b4b13232 | 202 | |
Just4pLeisure | 5:1775b4b13232 | 203 | // return IS_RUNNING ? TERM_OK : TERM_ERR; |
Just4pLeisure | 5:1775b4b13232 | 204 | return !IN_BDM ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 205 | } |
Just4pLeisure | 1:d5452e398b76 | 206 | |
Just4pLeisure | 1:d5452e398b76 | 207 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 208 | /** |
Just4pLeisure | 1:d5452e398b76 | 209 | Resets target MCU and stops execution on first instruction fetch. |
Just4pLeisure | 1:d5452e398b76 | 210 | |
Just4pLeisure | 1:d5452e398b76 | 211 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 212 | */ |
Just4pLeisure | 5:1775b4b13232 | 213 | uint8_t restart_chip() |
Just4pLeisure | 5:1775b4b13232 | 214 | { |
Just4pLeisure | 1:d5452e398b76 | 215 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 216 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 217 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 218 | } |
Just4pLeisure | 1:d5452e398b76 | 219 | |
Just4pLeisure | 1:d5452e398b76 | 220 | // pull BKPT low to enter background mode (the pin must remain an output, |
Just4pLeisure | 1:d5452e398b76 | 221 | // otherwise the target will pull it high and we'll lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 222 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 223 | // push RESET low |
Just4pLeisure | 1:d5452e398b76 | 224 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 225 | // RESET, BKPT pins as outputs |
Just4pLeisure | 1:d5452e398b76 | 226 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 227 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 228 | // wait for target MCU to settle |
Just4pLeisure | 5:1775b4b13232 | 229 | wait_ms(10*MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 230 | // rising edge on RESET line |
Just4pLeisure | 1:d5452e398b76 | 231 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 232 | // wait for target MCU to settle |
Just4pLeisure | 5:1775b4b13232 | 233 | wait_ms(10*MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 234 | // set RESET back as an input |
Just4pLeisure | 1:d5452e398b76 | 235 | PIN_RESET.input(); |
Just4pLeisure | 1:d5452e398b76 | 236 | |
Just4pLeisure | 1:d5452e398b76 | 237 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 238 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 239 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 240 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 241 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 242 | } |
Just4pLeisure | 1:d5452e398b76 | 243 | |
Just4pLeisure | 1:d5452e398b76 | 244 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 245 | } |
Just4pLeisure | 1:d5452e398b76 | 246 | |
Just4pLeisure | 1:d5452e398b76 | 247 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 248 | /** |
Just4pLeisure | 1:d5452e398b76 | 249 | Sends GO command word to target MCU, then triggers breakpoint on first |
Just4pLeisure | 1:d5452e398b76 | 250 | instruction fetch. |
Just4pLeisure | 1:d5452e398b76 | 251 | |
Just4pLeisure | 1:d5452e398b76 | 252 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 253 | */ |
Just4pLeisure | 5:1775b4b13232 | 254 | uint8_t step_chip() |
Just4pLeisure | 5:1775b4b13232 | 255 | { |
Just4pLeisure | 1:d5452e398b76 | 256 | // not connected |
Just4pLeisure | 1:d5452e398b76 | 257 | if (!IS_CONNECTED) { |
Just4pLeisure | 1:d5452e398b76 | 258 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 259 | } |
Just4pLeisure | 1:d5452e398b76 | 260 | |
Just4pLeisure | 1:d5452e398b76 | 261 | // resume MCU |
Just4pLeisure | 1:d5452e398b76 | 262 | bdm_clk(BDM_GO, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 263 | |
Just4pLeisure | 1:d5452e398b76 | 264 | // pull BKPT low to enter background mode (the pin must remain an output, |
Just4pLeisure | 1:d5452e398b76 | 265 | // otherwise the target pulls it high and we lose the first DSO bit) |
Just4pLeisure | 1:d5452e398b76 | 266 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 267 | // set BPKT pin as output |
Just4pLeisure | 1:d5452e398b76 | 268 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 269 | |
Just4pLeisure | 1:d5452e398b76 | 270 | // wait for target MCU to settle |
Just4pLeisure | 1:d5452e398b76 | 271 | // delay_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 272 | wait_ms(MCU_SETTLE_TIME); |
Just4pLeisure | 1:d5452e398b76 | 273 | |
Just4pLeisure | 1:d5452e398b76 | 274 | // check if succeeded |
Just4pLeisure | 1:d5452e398b76 | 275 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 276 | // set BKPT back as input and fail |
Just4pLeisure | 1:d5452e398b76 | 277 | PIN_BKPT.input(); |
Just4pLeisure | 1:d5452e398b76 | 278 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 279 | } |
Just4pLeisure | 1:d5452e398b76 | 280 | |
Just4pLeisure | 1:d5452e398b76 | 281 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 282 | } |
Just4pLeisure | 1:d5452e398b76 | 283 | |
Just4pLeisure | 1:d5452e398b76 | 284 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 285 | /** |
Just4pLeisure | 1:d5452e398b76 | 286 | Pulls BKPT pin low. |
Just4pLeisure | 1:d5452e398b76 | 287 | */ |
Just4pLeisure | 5:1775b4b13232 | 288 | uint8_t bkpt_low() |
Just4pLeisure | 5:1775b4b13232 | 289 | { |
Just4pLeisure | 1:d5452e398b76 | 290 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 291 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 292 | |
Just4pLeisure | 1:d5452e398b76 | 293 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 294 | } |
Just4pLeisure | 1:d5452e398b76 | 295 | |
Just4pLeisure | 1:d5452e398b76 | 296 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 297 | /** |
Just4pLeisure | 1:d5452e398b76 | 298 | Pulls BKPT pin high. |
Just4pLeisure | 1:d5452e398b76 | 299 | */ |
Just4pLeisure | 5:1775b4b13232 | 300 | uint8_t bkpt_high() |
Just4pLeisure | 5:1775b4b13232 | 301 | { |
Just4pLeisure | 1:d5452e398b76 | 302 | PIN_BKPT.write(1); |
Just4pLeisure | 1:d5452e398b76 | 303 | PIN_BKPT.output(); |
Just4pLeisure | 1:d5452e398b76 | 304 | |
Just4pLeisure | 1:d5452e398b76 | 305 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 306 | } |
Just4pLeisure | 1:d5452e398b76 | 307 | |
Just4pLeisure | 1:d5452e398b76 | 308 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 309 | /** |
Just4pLeisure | 1:d5452e398b76 | 310 | Pulls RESET pin low. |
Just4pLeisure | 1:d5452e398b76 | 311 | */ |
Just4pLeisure | 5:1775b4b13232 | 312 | uint8_t reset_low() |
Just4pLeisure | 5:1775b4b13232 | 313 | { |
Just4pLeisure | 1:d5452e398b76 | 314 | PIN_RESET.write(0); |
Just4pLeisure | 1:d5452e398b76 | 315 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 316 | |
Just4pLeisure | 1:d5452e398b76 | 317 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 318 | } |
Just4pLeisure | 1:d5452e398b76 | 319 | |
Just4pLeisure | 1:d5452e398b76 | 320 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 321 | /** |
Just4pLeisure | 1:d5452e398b76 | 322 | Pulls RESET pin high. |
Just4pLeisure | 1:d5452e398b76 | 323 | */ |
Just4pLeisure | 5:1775b4b13232 | 324 | uint8_t reset_high() |
Just4pLeisure | 5:1775b4b13232 | 325 | { |
Just4pLeisure | 1:d5452e398b76 | 326 | PIN_RESET.write(1); |
Just4pLeisure | 1:d5452e398b76 | 327 | PIN_RESET.output(); |
Just4pLeisure | 1:d5452e398b76 | 328 | |
Just4pLeisure | 1:d5452e398b76 | 329 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 330 | } |
Just4pLeisure | 1:d5452e398b76 | 331 | |
Just4pLeisure | 1:d5452e398b76 | 332 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 333 | /** |
Just4pLeisure | 5:1775b4b13232 | 334 | Pulls BERR pin low. |
Just4pLeisure | 5:1775b4b13232 | 335 | */ |
Just4pLeisure | 5:1775b4b13232 | 336 | uint8_t berr_low() |
Just4pLeisure | 5:1775b4b13232 | 337 | { |
Just4pLeisure | 5:1775b4b13232 | 338 | PIN_BERR.write(0); |
Just4pLeisure | 5:1775b4b13232 | 339 | PIN_BERR.output(); |
Just4pLeisure | 5:1775b4b13232 | 340 | |
Just4pLeisure | 5:1775b4b13232 | 341 | return TERM_OK; |
Just4pLeisure | 5:1775b4b13232 | 342 | } |
Just4pLeisure | 5:1775b4b13232 | 343 | |
Just4pLeisure | 5:1775b4b13232 | 344 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 345 | /** |
Just4pLeisure | 5:1775b4b13232 | 346 | Pulls BERR pin high. |
Just4pLeisure | 5:1775b4b13232 | 347 | */ |
Just4pLeisure | 5:1775b4b13232 | 348 | uint8_t berr_high() |
Just4pLeisure | 5:1775b4b13232 | 349 | { |
Just4pLeisure | 5:1775b4b13232 | 350 | PIN_BERR.write(1); |
Just4pLeisure | 5:1775b4b13232 | 351 | PIN_BERR.output(); |
Just4pLeisure | 5:1775b4b13232 | 352 | |
Just4pLeisure | 5:1775b4b13232 | 353 | return TERM_OK; |
Just4pLeisure | 5:1775b4b13232 | 354 | } |
Just4pLeisure | 5:1775b4b13232 | 355 | |
Just4pLeisure | 5:1775b4b13232 | 356 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 357 | /** |
Just4pLeisure | 5:1775b4b13232 | 358 | Makes BERR pin an input. |
Just4pLeisure | 5:1775b4b13232 | 359 | */ |
Just4pLeisure | 5:1775b4b13232 | 360 | uint8_t berr_input() |
Just4pLeisure | 5:1775b4b13232 | 361 | { |
Just4pLeisure | 5:1775b4b13232 | 362 | PIN_BERR.write(1); |
Just4pLeisure | 5:1775b4b13232 | 363 | |
Just4pLeisure | 5:1775b4b13232 | 364 | return TERM_OK; |
Just4pLeisure | 5:1775b4b13232 | 365 | } |
Just4pLeisure | 5:1775b4b13232 | 366 | |
Just4pLeisure | 5:1775b4b13232 | 367 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 368 | /** |
Just4pLeisure | 1:d5452e398b76 | 369 | Returns byte from the specified memory location; MCU must be in |
Just4pLeisure | 1:d5452e398b76 | 370 | background mode. |
Just4pLeisure | 1:d5452e398b76 | 371 | |
Just4pLeisure | 1:d5452e398b76 | 372 | @param result value (out) |
Just4pLeisure | 1:d5452e398b76 | 373 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 374 | |
Just4pLeisure | 1:d5452e398b76 | 375 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 376 | */ |
Just4pLeisure | 5:1775b4b13232 | 377 | uint8_t memread_byte(uint8_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 378 | { |
Just4pLeisure | 1:d5452e398b76 | 379 | // check state |
Just4pLeisure | 1:d5452e398b76 | 380 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 381 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 382 | } |
Just4pLeisure | 1:d5452e398b76 | 383 | |
Just4pLeisure | 1:d5452e398b76 | 384 | // read byte |
Just4pLeisure | 1:d5452e398b76 | 385 | if (!bdm_read((uint32_t*)result, BDM_READ, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 386 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 387 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 388 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 389 | } |
Just4pLeisure | 1:d5452e398b76 | 390 | |
Just4pLeisure | 1:d5452e398b76 | 391 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 392 | } |
Just4pLeisure | 1:d5452e398b76 | 393 | |
Just4pLeisure | 1:d5452e398b76 | 394 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 395 | /** |
Just4pLeisure | 1:d5452e398b76 | 396 | Returns word (2 bytes) from the specified memory location. Address must be |
Just4pLeisure | 1:d5452e398b76 | 397 | word-aligned and MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 398 | |
Just4pLeisure | 1:d5452e398b76 | 399 | @param result value (out) |
Just4pLeisure | 1:d5452e398b76 | 400 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 401 | |
Just4pLeisure | 1:d5452e398b76 | 402 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 403 | */ |
Just4pLeisure | 5:1775b4b13232 | 404 | uint8_t memread_word(uint16_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 405 | { |
Just4pLeisure | 1:d5452e398b76 | 406 | // check state |
Just4pLeisure | 1:d5452e398b76 | 407 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 408 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 409 | } |
Just4pLeisure | 1:d5452e398b76 | 410 | |
Just4pLeisure | 1:d5452e398b76 | 411 | // read word |
Just4pLeisure | 1:d5452e398b76 | 412 | if (!bdm_read((uint32_t*)result, BDM_READ + BDM_WORDSIZE, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 413 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 414 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 415 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 416 | } |
Just4pLeisure | 1:d5452e398b76 | 417 | |
Just4pLeisure | 1:d5452e398b76 | 418 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 419 | } |
Just4pLeisure | 1:d5452e398b76 | 420 | |
Just4pLeisure | 1:d5452e398b76 | 421 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 422 | /** |
Just4pLeisure | 1:d5452e398b76 | 423 | Returns long word (4 bytes) from the specified memory location. Address |
Just4pLeisure | 1:d5452e398b76 | 424 | must be word-aligned and target MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 425 | |
Just4pLeisure | 1:d5452e398b76 | 426 | @param result value |
Just4pLeisure | 1:d5452e398b76 | 427 | @param addr source address |
Just4pLeisure | 1:d5452e398b76 | 428 | |
Just4pLeisure | 1:d5452e398b76 | 429 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 430 | */ |
Just4pLeisure | 5:1775b4b13232 | 431 | uint8_t memread_long(uint32_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 432 | { |
Just4pLeisure | 1:d5452e398b76 | 433 | // check state |
Just4pLeisure | 1:d5452e398b76 | 434 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 435 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 436 | } |
Just4pLeisure | 1:d5452e398b76 | 437 | |
Just4pLeisure | 1:d5452e398b76 | 438 | // read long word |
Just4pLeisure | 1:d5452e398b76 | 439 | if (!bdm_read(result, BDM_READ + BDM_LONGSIZE, addr)) { |
Just4pLeisure | 1:d5452e398b76 | 440 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 441 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 442 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 443 | } |
Just4pLeisure | 1:d5452e398b76 | 444 | |
Just4pLeisure | 1:d5452e398b76 | 445 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 446 | } |
Just4pLeisure | 1:d5452e398b76 | 447 | |
Just4pLeisure | 1:d5452e398b76 | 448 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 449 | /** |
Just4pLeisure | 1:d5452e398b76 | 450 | Dumps byte from the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 451 | mode. Any memread_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 452 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 453 | |
Just4pLeisure | 1:d5452e398b76 | 454 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 455 | |
Just4pLeisure | 1:d5452e398b76 | 456 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 457 | */ |
Just4pLeisure | 5:1775b4b13232 | 458 | uint8_t memdump_byte(uint8_t* result) |
Just4pLeisure | 5:1775b4b13232 | 459 | { |
Just4pLeisure | 1:d5452e398b76 | 460 | // check state |
Just4pLeisure | 1:d5452e398b76 | 461 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 462 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 463 | } |
Just4pLeisure | 1:d5452e398b76 | 464 | |
Just4pLeisure | 1:d5452e398b76 | 465 | // dump byte |
Just4pLeisure | 1:d5452e398b76 | 466 | if (!bdm_read((uint32_t*)result, BDM_DUMP, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 467 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 468 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 469 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 470 | } |
Just4pLeisure | 1:d5452e398b76 | 471 | |
Just4pLeisure | 1:d5452e398b76 | 472 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 473 | } |
Just4pLeisure | 1:d5452e398b76 | 474 | |
Just4pLeisure | 1:d5452e398b76 | 475 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 476 | /** |
Just4pLeisure | 1:d5452e398b76 | 477 | dumps word from the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 478 | mode. Any memread_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 479 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 480 | |
Just4pLeisure | 1:d5452e398b76 | 481 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 482 | |
Just4pLeisure | 1:d5452e398b76 | 483 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 484 | */ |
Just4pLeisure | 5:1775b4b13232 | 485 | uint8_t memdump_word(uint16_t* result) |
Just4pLeisure | 5:1775b4b13232 | 486 | { |
Just4pLeisure | 1:d5452e398b76 | 487 | // check state |
Just4pLeisure | 1:d5452e398b76 | 488 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 489 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 490 | } |
Just4pLeisure | 1:d5452e398b76 | 491 | |
Just4pLeisure | 1:d5452e398b76 | 492 | // dump word |
Just4pLeisure | 1:d5452e398b76 | 493 | if (!bdm_read((uint32_t*)result, BDM_DUMP + BDM_WORDSIZE, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 494 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 495 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 496 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 497 | } |
Just4pLeisure | 1:d5452e398b76 | 498 | |
Just4pLeisure | 1:d5452e398b76 | 499 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 500 | } |
Just4pLeisure | 1:d5452e398b76 | 501 | |
Just4pLeisure | 1:d5452e398b76 | 502 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 503 | /** |
Just4pLeisure | 1:d5452e398b76 | 504 | Dumps long word from the specified memory location; MCU must be in |
Just4pLeisure | 1:d5452e398b76 | 505 | background mode. Any memread_*() function must be called beforehand to set |
Just4pLeisure | 1:d5452e398b76 | 506 | the initial address. |
Just4pLeisure | 1:d5452e398b76 | 507 | |
Just4pLeisure | 1:d5452e398b76 | 508 | @param value result (out) |
Just4pLeisure | 1:d5452e398b76 | 509 | |
Just4pLeisure | 1:d5452e398b76 | 510 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 511 | */ |
Just4pLeisure | 5:1775b4b13232 | 512 | uint8_t memdump_long(uint32_t* result) |
Just4pLeisure | 5:1775b4b13232 | 513 | { |
Just4pLeisure | 1:d5452e398b76 | 514 | // check state |
Just4pLeisure | 1:d5452e398b76 | 515 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 516 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 517 | } |
Just4pLeisure | 1:d5452e398b76 | 518 | |
Just4pLeisure | 1:d5452e398b76 | 519 | // dump long word |
Just4pLeisure | 1:d5452e398b76 | 520 | if (!bdm_read(result, BDM_DUMP + BDM_LONGSIZE, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 521 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 522 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 523 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 524 | } |
Just4pLeisure | 1:d5452e398b76 | 525 | |
Just4pLeisure | 1:d5452e398b76 | 526 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 527 | } |
Just4pLeisure | 1:d5452e398b76 | 528 | |
Just4pLeisure | 1:d5452e398b76 | 529 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 530 | /** |
Just4pLeisure | 1:d5452e398b76 | 531 | Writes byte to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 532 | mode. |
Just4pLeisure | 1:d5452e398b76 | 533 | |
Just4pLeisure | 1:d5452e398b76 | 534 | @param addr destination address |
Just4pLeisure | 1:d5452e398b76 | 535 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 536 | |
Just4pLeisure | 1:d5452e398b76 | 537 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 538 | */ |
Just4pLeisure | 5:1775b4b13232 | 539 | uint8_t memwrite_byte(const uint32_t* addr, uint8_t value) |
Just4pLeisure | 5:1775b4b13232 | 540 | { |
Just4pLeisure | 1:d5452e398b76 | 541 | // check state |
Just4pLeisure | 1:d5452e398b76 | 542 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 543 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 544 | } |
Just4pLeisure | 1:d5452e398b76 | 545 | |
Just4pLeisure | 1:d5452e398b76 | 546 | // write byte |
Just4pLeisure | 1:d5452e398b76 | 547 | if (!bdm_write(addr, BDM_WRITE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 548 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 549 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 550 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 551 | } |
Just4pLeisure | 1:d5452e398b76 | 552 | |
Just4pLeisure | 1:d5452e398b76 | 553 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 554 | } |
Just4pLeisure | 1:d5452e398b76 | 555 | |
Just4pLeisure | 1:d5452e398b76 | 556 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 557 | /** |
Just4pLeisure | 1:d5452e398b76 | 558 | Writes word to the specified memory location. Address must be word-aligned |
Just4pLeisure | 1:d5452e398b76 | 559 | and MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 560 | |
Just4pLeisure | 1:d5452e398b76 | 561 | @param addr memory address |
Just4pLeisure | 1:d5452e398b76 | 562 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 563 | |
Just4pLeisure | 1:d5452e398b76 | 564 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 565 | */ |
Just4pLeisure | 5:1775b4b13232 | 566 | uint8_t memwrite_word(const uint32_t* addr, uint16_t value) |
Just4pLeisure | 5:1775b4b13232 | 567 | { |
Just4pLeisure | 1:d5452e398b76 | 568 | // check state |
Just4pLeisure | 1:d5452e398b76 | 569 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 570 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 571 | } |
Just4pLeisure | 1:d5452e398b76 | 572 | |
Just4pLeisure | 1:d5452e398b76 | 573 | // write word |
Just4pLeisure | 1:d5452e398b76 | 574 | if (!bdm_write(addr, BDM_WRITE + BDM_WORDSIZE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 575 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 576 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 577 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 578 | } |
Just4pLeisure | 1:d5452e398b76 | 579 | |
Just4pLeisure | 1:d5452e398b76 | 580 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 581 | } |
Just4pLeisure | 1:d5452e398b76 | 582 | |
Just4pLeisure | 1:d5452e398b76 | 583 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 584 | /** |
Just4pLeisure | 1:d5452e398b76 | 585 | Writes long word to the specified memory location. Address must be |
Just4pLeisure | 1:d5452e398b76 | 586 | word-aligned and target MCU must be in background mode. |
Just4pLeisure | 1:d5452e398b76 | 587 | |
Just4pLeisure | 1:d5452e398b76 | 588 | @param addr memory address |
Just4pLeisure | 1:d5452e398b76 | 589 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 590 | |
Just4pLeisure | 1:d5452e398b76 | 591 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 592 | */ |
Just4pLeisure | 5:1775b4b13232 | 593 | uint8_t memwrite_long(const uint32_t* addr, const uint32_t* value) |
Just4pLeisure | 5:1775b4b13232 | 594 | { |
Just4pLeisure | 1:d5452e398b76 | 595 | // check state |
Just4pLeisure | 1:d5452e398b76 | 596 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 597 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 598 | } |
Just4pLeisure | 1:d5452e398b76 | 599 | |
Just4pLeisure | 1:d5452e398b76 | 600 | // write long word |
Just4pLeisure | 1:d5452e398b76 | 601 | if (!bdm_write(addr, BDM_WRITE + BDM_LONGSIZE, value)) { |
Just4pLeisure | 1:d5452e398b76 | 602 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 603 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 604 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 605 | } |
Just4pLeisure | 1:d5452e398b76 | 606 | |
Just4pLeisure | 1:d5452e398b76 | 607 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 608 | } |
Just4pLeisure | 1:d5452e398b76 | 609 | |
Just4pLeisure | 1:d5452e398b76 | 610 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 611 | /** |
Just4pLeisure | 1:d5452e398b76 | 612 | Writes byte to the current memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 613 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 614 | current address. |
Just4pLeisure | 1:d5452e398b76 | 615 | |
Just4pLeisure | 1:d5452e398b76 | 616 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 617 | |
Just4pLeisure | 1:d5452e398b76 | 618 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 619 | */ |
Just4pLeisure | 5:1775b4b13232 | 620 | uint8_t memfill_byte(uint8_t value) |
Just4pLeisure | 5:1775b4b13232 | 621 | { |
Just4pLeisure | 1:d5452e398b76 | 622 | // check state |
Just4pLeisure | 1:d5452e398b76 | 623 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 624 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 625 | } |
Just4pLeisure | 1:d5452e398b76 | 626 | |
Just4pLeisure | 1:d5452e398b76 | 627 | // fill byte |
Just4pLeisure | 1:d5452e398b76 | 628 | if (!bdm_write(NULL, BDM_FILL, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 629 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 630 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 631 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 632 | } |
Just4pLeisure | 1:d5452e398b76 | 633 | |
Just4pLeisure | 1:d5452e398b76 | 634 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 635 | } |
Just4pLeisure | 1:d5452e398b76 | 636 | |
Just4pLeisure | 1:d5452e398b76 | 637 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 638 | /** |
Just4pLeisure | 1:d5452e398b76 | 639 | Writes word to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 640 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 641 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 642 | |
Just4pLeisure | 1:d5452e398b76 | 643 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 644 | |
Just4pLeisure | 1:d5452e398b76 | 645 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 646 | */ |
Just4pLeisure | 5:1775b4b13232 | 647 | uint8_t memfill_word(uint16_t value) |
Just4pLeisure | 5:1775b4b13232 | 648 | { |
Just4pLeisure | 1:d5452e398b76 | 649 | // check state |
Just4pLeisure | 1:d5452e398b76 | 650 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 651 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 652 | } |
Just4pLeisure | 1:d5452e398b76 | 653 | |
Just4pLeisure | 1:d5452e398b76 | 654 | // fill word |
Just4pLeisure | 1:d5452e398b76 | 655 | if (!IN_BDM || !bdm_write(NULL, BDM_FILL + BDM_WORDSIZE, (uint32_t*)&value)) { |
Just4pLeisure | 1:d5452e398b76 | 656 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 657 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 658 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 659 | } |
Just4pLeisure | 1:d5452e398b76 | 660 | |
Just4pLeisure | 1:d5452e398b76 | 661 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 662 | } |
Just4pLeisure | 1:d5452e398b76 | 663 | |
Just4pLeisure | 1:d5452e398b76 | 664 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 665 | /** |
Just4pLeisure | 1:d5452e398b76 | 666 | Writes long word to the specified memory location; MCU must be in background |
Just4pLeisure | 1:d5452e398b76 | 667 | mode. Any memwrite_*() function must be called beforehand to set the |
Just4pLeisure | 1:d5452e398b76 | 668 | initial address. |
Just4pLeisure | 1:d5452e398b76 | 669 | |
Just4pLeisure | 1:d5452e398b76 | 670 | @param value value |
Just4pLeisure | 1:d5452e398b76 | 671 | |
Just4pLeisure | 1:d5452e398b76 | 672 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 673 | */ |
Just4pLeisure | 5:1775b4b13232 | 674 | uint8_t memfill_long(const uint32_t* value) |
Just4pLeisure | 5:1775b4b13232 | 675 | { |
Just4pLeisure | 1:d5452e398b76 | 676 | // check state |
Just4pLeisure | 1:d5452e398b76 | 677 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 678 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 679 | } |
Just4pLeisure | 1:d5452e398b76 | 680 | |
Just4pLeisure | 1:d5452e398b76 | 681 | // fill long word |
Just4pLeisure | 1:d5452e398b76 | 682 | if (!bdm_write(NULL, BDM_FILL + BDM_LONGSIZE, value)) { |
Just4pLeisure | 1:d5452e398b76 | 683 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 684 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 685 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 686 | } |
Just4pLeisure | 1:d5452e398b76 | 687 | |
Just4pLeisure | 1:d5452e398b76 | 688 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 689 | } |
Just4pLeisure | 1:d5452e398b76 | 690 | |
Just4pLeisure | 1:d5452e398b76 | 691 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 692 | /** |
Just4pLeisure | 1:d5452e398b76 | 693 | Issues a read byte command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 694 | |
Just4pLeisure | 1:d5452e398b76 | 695 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 696 | |
Just4pLeisure | 1:d5452e398b76 | 697 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 698 | */ |
Just4pLeisure | 5:1775b4b13232 | 699 | uint8_t memread_byte_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 700 | { |
Just4pLeisure | 1:d5452e398b76 | 701 | |
Just4pLeisure | 1:d5452e398b76 | 702 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 703 | |
Just4pLeisure | 1:d5452e398b76 | 704 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 705 | if (!bdm_command(BDM_READ + BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 706 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 707 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 708 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 709 | } |
Just4pLeisure | 1:d5452e398b76 | 710 | |
Just4pLeisure | 1:d5452e398b76 | 711 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 712 | } |
Just4pLeisure | 1:d5452e398b76 | 713 | |
Just4pLeisure | 1:d5452e398b76 | 714 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 715 | /** |
Just4pLeisure | 1:d5452e398b76 | 716 | Issues a read word command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 717 | |
Just4pLeisure | 1:d5452e398b76 | 718 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 719 | |
Just4pLeisure | 1:d5452e398b76 | 720 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 721 | */ |
Just4pLeisure | 5:1775b4b13232 | 722 | uint8_t memread_word_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 723 | { |
Just4pLeisure | 1:d5452e398b76 | 724 | |
Just4pLeisure | 1:d5452e398b76 | 725 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 726 | |
Just4pLeisure | 1:d5452e398b76 | 727 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 728 | bdm_clk(BDM_READ + BDM_WORDSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 729 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 730 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 731 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 732 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 733 | } |
Just4pLeisure | 1:d5452e398b76 | 734 | |
Just4pLeisure | 1:d5452e398b76 | 735 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 736 | } |
Just4pLeisure | 1:d5452e398b76 | 737 | |
Just4pLeisure | 1:d5452e398b76 | 738 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 739 | /** |
Just4pLeisure | 1:d5452e398b76 | 740 | Issues a read long command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 741 | |
Just4pLeisure | 1:d5452e398b76 | 742 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 743 | |
Just4pLeisure | 1:d5452e398b76 | 744 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 745 | */ |
Just4pLeisure | 5:1775b4b13232 | 746 | uint8_t memread_long_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 747 | { |
Just4pLeisure | 1:d5452e398b76 | 748 | |
Just4pLeisure | 1:d5452e398b76 | 749 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 750 | |
Just4pLeisure | 1:d5452e398b76 | 751 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 752 | bdm_clk(BDM_READ + BDM_LONGSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 753 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 754 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 755 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 756 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 757 | } |
Just4pLeisure | 1:d5452e398b76 | 758 | |
Just4pLeisure | 1:d5452e398b76 | 759 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 760 | } |
Just4pLeisure | 1:d5452e398b76 | 761 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 762 | /** |
Just4pLeisure | 1:d5452e398b76 | 763 | Issues a write byte command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 764 | |
Just4pLeisure | 1:d5452e398b76 | 765 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 766 | |
Just4pLeisure | 1:d5452e398b76 | 767 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 768 | */ |
Just4pLeisure | 5:1775b4b13232 | 769 | uint8_t memwrite_byte_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 770 | { |
Just4pLeisure | 1:d5452e398b76 | 771 | |
Just4pLeisure | 1:d5452e398b76 | 772 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 2:bf3a2b29259a | 773 | |
Just4pLeisure | 1:d5452e398b76 | 774 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 775 | if (!bdm_command(BDM_WRITE + BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 776 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 777 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 778 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 779 | } |
Just4pLeisure | 1:d5452e398b76 | 780 | |
Just4pLeisure | 1:d5452e398b76 | 781 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 782 | } |
Just4pLeisure | 1:d5452e398b76 | 783 | |
Just4pLeisure | 1:d5452e398b76 | 784 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 785 | /** |
Just4pLeisure | 1:d5452e398b76 | 786 | Issues a write word command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 787 | |
Just4pLeisure | 1:d5452e398b76 | 788 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 789 | |
Just4pLeisure | 1:d5452e398b76 | 790 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 791 | */ |
Just4pLeisure | 5:1775b4b13232 | 792 | uint8_t memwrite_word_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 793 | { |
Just4pLeisure | 1:d5452e398b76 | 794 | |
Just4pLeisure | 1:d5452e398b76 | 795 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 796 | |
Just4pLeisure | 1:d5452e398b76 | 797 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 798 | bdm_clk(BDM_WRITE + BDM_WORDSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 799 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 800 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 801 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 802 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 803 | } |
Just4pLeisure | 1:d5452e398b76 | 804 | |
Just4pLeisure | 1:d5452e398b76 | 805 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 806 | } |
Just4pLeisure | 1:d5452e398b76 | 807 | |
Just4pLeisure | 1:d5452e398b76 | 808 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 809 | /** |
Just4pLeisure | 1:d5452e398b76 | 810 | Issues a write long command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 811 | |
Just4pLeisure | 1:d5452e398b76 | 812 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 813 | |
Just4pLeisure | 1:d5452e398b76 | 814 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 815 | */ |
Just4pLeisure | 5:1775b4b13232 | 816 | uint8_t memwrite_long_cmd(const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 817 | { |
Just4pLeisure | 1:d5452e398b76 | 818 | |
Just4pLeisure | 1:d5452e398b76 | 819 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 820 | |
Just4pLeisure | 1:d5452e398b76 | 821 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 822 | bdm_clk(BDM_WRITE + BDM_LONGSIZE, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 823 | if (bdm_response > BDM_CMDCMPLTE) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 824 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 825 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 826 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 827 | } |
Just4pLeisure | 1:d5452e398b76 | 828 | |
Just4pLeisure | 1:d5452e398b76 | 829 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 830 | } |
Just4pLeisure | 1:d5452e398b76 | 831 | |
Just4pLeisure | 1:d5452e398b76 | 832 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 833 | /** |
Just4pLeisure | 1:d5452e398b76 | 834 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 835 | Sends a READ_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 836 | |
Just4pLeisure | 1:d5452e398b76 | 837 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 838 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 839 | |
Just4pLeisure | 1:d5452e398b76 | 840 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 841 | */ |
Just4pLeisure | 5:1775b4b13232 | 842 | uint8_t memread_read_byte(uint8_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 843 | { |
Just4pLeisure | 1:d5452e398b76 | 844 | |
Just4pLeisure | 1:d5452e398b76 | 845 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 846 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 847 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 848 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 849 | } |
Just4pLeisure | 1:d5452e398b76 | 850 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 851 | return (bdm_get ((uint32_t*)result, BDM_BYTESIZE, BDM_READ + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 852 | } |
Just4pLeisure | 1:d5452e398b76 | 853 | |
Just4pLeisure | 1:d5452e398b76 | 854 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 855 | /** |
Just4pLeisure | 1:d5452e398b76 | 856 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 857 | Sends a WRITE_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 858 | |
Just4pLeisure | 1:d5452e398b76 | 859 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 860 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 861 | |
Just4pLeisure | 1:d5452e398b76 | 862 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 863 | */ |
Just4pLeisure | 5:1775b4b13232 | 864 | uint8_t memread_write_byte(uint8_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 865 | { |
Just4pLeisure | 1:d5452e398b76 | 866 | |
Just4pLeisure | 1:d5452e398b76 | 867 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 868 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 869 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 870 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 871 | } |
Just4pLeisure | 1:d5452e398b76 | 872 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 873 | return (bdm_get((uint32_t*)result, BDM_BYTESIZE, BDM_WRITE + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 874 | } |
Just4pLeisure | 1:d5452e398b76 | 875 | |
Just4pLeisure | 1:d5452e398b76 | 876 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 877 | /** |
Just4pLeisure | 1:d5452e398b76 | 878 | Gets a byte from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 879 | Sends a BDM_NOP command to end a sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 880 | |
Just4pLeisure | 1:d5452e398b76 | 881 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 882 | addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 883 | |
Just4pLeisure | 1:d5452e398b76 | 884 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 885 | */ |
Just4pLeisure | 5:1775b4b13232 | 886 | uint8_t memread_nop_byte(uint8_t* result, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 887 | { |
Just4pLeisure | 1:d5452e398b76 | 888 | |
Just4pLeisure | 1:d5452e398b76 | 889 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 890 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 891 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 892 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 893 | } |
Just4pLeisure | 1:d5452e398b76 | 894 | // receive the response byte |
Just4pLeisure | 1:d5452e398b76 | 895 | return (bdm_get((uint32_t*)result, BDM_BYTESIZE, BDM_NOP)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 896 | } |
Just4pLeisure | 1:d5452e398b76 | 897 | |
Just4pLeisure | 1:d5452e398b76 | 898 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 899 | /** |
Just4pLeisure | 1:d5452e398b76 | 900 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 901 | Sends a WRITE_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 902 | |
Just4pLeisure | 1:d5452e398b76 | 903 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 904 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 905 | |
Just4pLeisure | 1:d5452e398b76 | 906 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 907 | */ |
Just4pLeisure | 5:1775b4b13232 | 908 | uint8_t memwrite_write_byte(const uint32_t* addr, uint8_t value) |
Just4pLeisure | 5:1775b4b13232 | 909 | { |
Just4pLeisure | 1:d5452e398b76 | 910 | |
Just4pLeisure | 1:d5452e398b76 | 911 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 912 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 913 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 914 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 915 | } |
Just4pLeisure | 1:d5452e398b76 | 916 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 917 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 918 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 919 | return (bdm_ready(BDM_WRITE + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 920 | } |
Just4pLeisure | 1:d5452e398b76 | 921 | |
Just4pLeisure | 1:d5452e398b76 | 922 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 923 | /** |
Just4pLeisure | 1:d5452e398b76 | 924 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 925 | Sends a READ_BYTE command so that commands overlap |
Just4pLeisure | 1:d5452e398b76 | 926 | |
Just4pLeisure | 1:d5452e398b76 | 927 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 928 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 929 | |
Just4pLeisure | 1:d5452e398b76 | 930 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 931 | */ |
Just4pLeisure | 5:1775b4b13232 | 932 | uint8_t memwrite_read_byte(const uint32_t* addr, uint8_t value) |
Just4pLeisure | 5:1775b4b13232 | 933 | { |
Just4pLeisure | 1:d5452e398b76 | 934 | |
Just4pLeisure | 1:d5452e398b76 | 935 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 936 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 937 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 938 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 939 | } |
Just4pLeisure | 1:d5452e398b76 | 940 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 941 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 942 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 943 | return (bdm_ready(BDM_READ + BDM_BYTESIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 944 | } |
Just4pLeisure | 1:d5452e398b76 | 945 | |
Just4pLeisure | 1:d5452e398b76 | 946 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 947 | /** |
Just4pLeisure | 1:d5452e398b76 | 948 | Writes a byte to the MCU (follows a previously sent write or fill word cmd) |
Just4pLeisure | 1:d5452e398b76 | 949 | Sends a BDM_NOP command to end a sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 950 | |
Just4pLeisure | 1:d5452e398b76 | 951 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 952 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 953 | |
Just4pLeisure | 1:d5452e398b76 | 954 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 955 | */ |
Just4pLeisure | 5:1775b4b13232 | 956 | uint8_t memwrite_nop_byte(const uint32_t* addr, uint8_t value) |
Just4pLeisure | 5:1775b4b13232 | 957 | { |
Just4pLeisure | 1:d5452e398b76 | 958 | |
Just4pLeisure | 1:d5452e398b76 | 959 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 960 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 961 | if (addr) { |
Just4pLeisure | 2:bf3a2b29259a | 962 | if (!bdm_address(addr)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 963 | } |
Just4pLeisure | 1:d5452e398b76 | 964 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 965 | if (!bdm_put((uint32_t*)&value, BDM_BYTESIZE)) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 966 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 967 | return (bdm_ready(BDM_NOP)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 968 | } |
Just4pLeisure | 1:d5452e398b76 | 969 | |
Just4pLeisure | 1:d5452e398b76 | 970 | |
Just4pLeisure | 1:d5452e398b76 | 971 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 972 | /** |
Just4pLeisure | 1:d5452e398b76 | 973 | Writes 2 words to the same address |
Just4pLeisure | 1:d5452e398b76 | 974 | The BDM commands are overlapped to make things a bit faster |
Just4pLeisure | 1:d5452e398b76 | 975 | A BDM_NOP command is then sent to end the sequence of overlapping commands |
Just4pLeisure | 2:bf3a2b29259a | 976 | |
Just4pLeisure | 1:d5452e398b76 | 977 | @param addr address |
Just4pLeisure | 1:d5452e398b76 | 978 | value1, 2 values to write |
Just4pLeisure | 1:d5452e398b76 | 979 | |
Just4pLeisure | 1:d5452e398b76 | 980 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 981 | */ |
Just4pLeisure | 5:1775b4b13232 | 982 | uint8_t memwrite_word_write_word(const uint32_t* addr, const uint16_t value1, const uint16_t value2) |
Just4pLeisure | 5:1775b4b13232 | 983 | { |
Just4pLeisure | 2:bf3a2b29259a | 984 | return (IN_BDM && |
Just4pLeisure | 5:1775b4b13232 | 985 | bdm_command(BDM_WRITE + BDM_WORDSIZE) && // write command code |
Just4pLeisure | 5:1775b4b13232 | 986 | bdm_address(addr) && // write the address |
Just4pLeisure | 5:1775b4b13232 | 987 | bdm_put((uint32_t*)&value1, BDM_WORDSIZE) && // write the first value |
Just4pLeisure | 5:1775b4b13232 | 988 | bdm_ready(BDM_WRITE + BDM_WORDSIZE) && // wait until MCU responds and overlap the next write command |
Just4pLeisure | 5:1775b4b13232 | 989 | bdm_address(addr) && // write the address (same address for second word) |
Just4pLeisure | 5:1775b4b13232 | 990 | bdm_put((uint32_t*)&value2, BDM_WORDSIZE) && // write the second value |
Just4pLeisure | 5:1775b4b13232 | 991 | bdm_ready(BDM_NOP)) ? TERM_OK : TERM_ERR; // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 992 | } |
Just4pLeisure | 1:d5452e398b76 | 993 | |
Just4pLeisure | 1:d5452e398b76 | 994 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 995 | /** |
Just4pLeisure | 1:d5452e398b76 | 996 | Writes a word then reads back a result from the same address |
Just4pLeisure | 1:d5452e398b76 | 997 | The BDM commands are overlapped to make things a bit faster |
Just4pLeisure | 1:d5452e398b76 | 998 | A BDM_NOP command is then sent to end the sequence of overlapping commands |
Just4pLeisure | 1:d5452e398b76 | 999 | |
Just4pLeisure | 1:d5452e398b76 | 1000 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 1001 | addr address |
Just4pLeisure | 1:d5452e398b76 | 1002 | value value to write |
Just4pLeisure | 1:d5452e398b76 | 1003 | |
Just4pLeisure | 1:d5452e398b76 | 1004 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1005 | */ |
Just4pLeisure | 1:d5452e398b76 | 1006 | |
Just4pLeisure | 5:1775b4b13232 | 1007 | uint8_t memwrite_word_read_word(uint16_t* result, const uint32_t* addr, const uint16_t value) |
Just4pLeisure | 5:1775b4b13232 | 1008 | { |
Just4pLeisure | 2:bf3a2b29259a | 1009 | return (IN_BDM && |
Just4pLeisure | 5:1775b4b13232 | 1010 | bdm_command(BDM_WRITE + BDM_WORDSIZE) && // write command code |
Just4pLeisure | 5:1775b4b13232 | 1011 | bdm_address(addr) && // write the address |
Just4pLeisure | 5:1775b4b13232 | 1012 | bdm_put((uint32_t*)&value, BDM_WORDSIZE) && // write the value |
Just4pLeisure | 5:1775b4b13232 | 1013 | bdm_ready(BDM_READ + BDM_WORDSIZE) && // wait until MCU responds and overlap the next read command |
Just4pLeisure | 5:1775b4b13232 | 1014 | bdm_address(addr) && // write the address (same address for reading the result) |
Just4pLeisure | 5:1775b4b13232 | 1015 | bdm_get((uint32_t*)result, BDM_WORDSIZE, BDM_NOP)) ? TERM_OK : TERM_ERR; // receive the response word |
Just4pLeisure | 1:d5452e398b76 | 1016 | } |
Just4pLeisure | 1:d5452e398b76 | 1017 | |
Just4pLeisure | 1:d5452e398b76 | 1018 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1019 | /** |
Just4pLeisure | 1:d5452e398b76 | 1020 | Gets a word from the MCU (follows a previously sent read or dump word cmd) |
Just4pLeisure | 1:d5452e398b76 | 1021 | Sends a DUMP_WORD command so that dump commands overlap |
Just4pLeisure | 1:d5452e398b76 | 1022 | |
Just4pLeisure | 1:d5452e398b76 | 1023 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 1024 | |
Just4pLeisure | 1:d5452e398b76 | 1025 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1026 | */ |
Just4pLeisure | 5:1775b4b13232 | 1027 | uint8_t memget_word(uint16_t* result) |
Just4pLeisure | 5:1775b4b13232 | 1028 | { |
Just4pLeisure | 1:d5452e398b76 | 1029 | |
Just4pLeisure | 1:d5452e398b76 | 1030 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1031 | // receive the response word |
Just4pLeisure | 1:d5452e398b76 | 1032 | return (bdm_get((uint32_t*)result, BDM_WORDSIZE, BDM_DUMP + BDM_WORDSIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1033 | } |
Just4pLeisure | 1:d5452e398b76 | 1034 | |
Just4pLeisure | 1:d5452e398b76 | 1035 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1036 | /** |
Just4pLeisure | 1:d5452e398b76 | 1037 | Gets a long from the MCU (follows a previously sent read or dump long cmd) |
Just4pLeisure | 1:d5452e398b76 | 1038 | Sends a DUMP_LONG command so that dump commands overlap |
Just4pLeisure | 1:d5452e398b76 | 1039 | |
Just4pLeisure | 1:d5452e398b76 | 1040 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 1041 | |
Just4pLeisure | 1:d5452e398b76 | 1042 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1043 | */ |
Just4pLeisure | 5:1775b4b13232 | 1044 | uint8_t memget_long(uint32_t* result) |
Just4pLeisure | 5:1775b4b13232 | 1045 | { |
Just4pLeisure | 1:d5452e398b76 | 1046 | |
Just4pLeisure | 1:d5452e398b76 | 1047 | if (!IN_BDM) return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1048 | // receive the response words |
Just4pLeisure | 1:d5452e398b76 | 1049 | return (bdm_get(result, BDM_LONGSIZE, BDM_DUMP + BDM_LONGSIZE)) ? TERM_OK : TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1050 | } |
Just4pLeisure | 1:d5452e398b76 | 1051 | |
Just4pLeisure | 1:d5452e398b76 | 1052 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1053 | /** |
Just4pLeisure | 1:d5452e398b76 | 1054 | Reads value from system register. |
Just4pLeisure | 1:d5452e398b76 | 1055 | |
Just4pLeisure | 1:d5452e398b76 | 1056 | @param result register value (out) |
Just4pLeisure | 1:d5452e398b76 | 1057 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1058 | |
Just4pLeisure | 1:d5452e398b76 | 1059 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1060 | */ |
Just4pLeisure | 5:1775b4b13232 | 1061 | uint8_t sysreg_read(uint32_t* result, uint8_t reg) |
Just4pLeisure | 5:1775b4b13232 | 1062 | { |
Just4pLeisure | 1:d5452e398b76 | 1063 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1064 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1065 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1066 | } |
Just4pLeisure | 1:d5452e398b76 | 1067 | |
Just4pLeisure | 1:d5452e398b76 | 1068 | // read register |
Just4pLeisure | 1:d5452e398b76 | 1069 | if (!bdm_read(result, BDM_RSREG + reg, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 1070 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1071 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1072 | } |
Just4pLeisure | 1:d5452e398b76 | 1073 | |
Just4pLeisure | 1:d5452e398b76 | 1074 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1075 | } |
Just4pLeisure | 1:d5452e398b76 | 1076 | |
Just4pLeisure | 1:d5452e398b76 | 1077 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1078 | /** |
Just4pLeisure | 1:d5452e398b76 | 1079 | Writes value to system register. |
Just4pLeisure | 1:d5452e398b76 | 1080 | |
Just4pLeisure | 1:d5452e398b76 | 1081 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1082 | @param value register value |
Just4pLeisure | 1:d5452e398b76 | 1083 | |
Just4pLeisure | 1:d5452e398b76 | 1084 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1085 | */ |
Just4pLeisure | 5:1775b4b13232 | 1086 | uint8_t sysreg_write(uint8_t reg, const uint32_t* value) |
Just4pLeisure | 5:1775b4b13232 | 1087 | { |
Just4pLeisure | 1:d5452e398b76 | 1088 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1089 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1090 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1091 | } |
Just4pLeisure | 1:d5452e398b76 | 1092 | |
Just4pLeisure | 1:d5452e398b76 | 1093 | // write register |
Just4pLeisure | 1:d5452e398b76 | 1094 | if (!bdm_write(NULL, BDM_WSREG + reg, value)) { |
Just4pLeisure | 1:d5452e398b76 | 1095 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1096 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 1097 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1098 | } |
Just4pLeisure | 1:d5452e398b76 | 1099 | |
Just4pLeisure | 1:d5452e398b76 | 1100 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1101 | } |
Just4pLeisure | 1:d5452e398b76 | 1102 | |
Just4pLeisure | 1:d5452e398b76 | 1103 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1104 | /** |
Just4pLeisure | 1:d5452e398b76 | 1105 | Reads value from A/D register. |
Just4pLeisure | 1:d5452e398b76 | 1106 | |
Just4pLeisure | 1:d5452e398b76 | 1107 | @param result register value (out) |
Just4pLeisure | 1:d5452e398b76 | 1108 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1109 | |
Just4pLeisure | 1:d5452e398b76 | 1110 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1111 | */ |
Just4pLeisure | 5:1775b4b13232 | 1112 | uint8_t adreg_read(uint32_t* result, uint8_t reg) |
Just4pLeisure | 5:1775b4b13232 | 1113 | { |
Just4pLeisure | 1:d5452e398b76 | 1114 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1115 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1116 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1117 | } |
Just4pLeisure | 1:d5452e398b76 | 1118 | |
Just4pLeisure | 1:d5452e398b76 | 1119 | // read register |
Just4pLeisure | 1:d5452e398b76 | 1120 | if (!bdm_read(result, BDM_RDREG + reg, NULL)) { |
Just4pLeisure | 1:d5452e398b76 | 1121 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1122 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 1123 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1124 | } |
Just4pLeisure | 1:d5452e398b76 | 1125 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1126 | } |
Just4pLeisure | 1:d5452e398b76 | 1127 | |
Just4pLeisure | 1:d5452e398b76 | 1128 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1129 | /** |
Just4pLeisure | 1:d5452e398b76 | 1130 | Writes value to A/D register. |
Just4pLeisure | 1:d5452e398b76 | 1131 | |
Just4pLeisure | 1:d5452e398b76 | 1132 | @param reg register |
Just4pLeisure | 1:d5452e398b76 | 1133 | @param value register value |
Just4pLeisure | 1:d5452e398b76 | 1134 | |
Just4pLeisure | 1:d5452e398b76 | 1135 | @return status flag |
Just4pLeisure | 1:d5452e398b76 | 1136 | */ |
Just4pLeisure | 5:1775b4b13232 | 1137 | uint8_t adreg_write(uint8_t reg, const uint32_t* value) |
Just4pLeisure | 5:1775b4b13232 | 1138 | { |
Just4pLeisure | 1:d5452e398b76 | 1139 | // check state |
Just4pLeisure | 1:d5452e398b76 | 1140 | if (!IN_BDM) { |
Just4pLeisure | 1:d5452e398b76 | 1141 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1142 | } |
Just4pLeisure | 1:d5452e398b76 | 1143 | |
Just4pLeisure | 1:d5452e398b76 | 1144 | // write register |
Just4pLeisure | 1:d5452e398b76 | 1145 | if (!bdm_write(NULL, BDM_WRREG + reg, value)) { |
Just4pLeisure | 1:d5452e398b76 | 1146 | // clear the interface and fail |
Just4pLeisure | 1:d5452e398b76 | 1147 | bdm_clear(); |
Just4pLeisure | 1:d5452e398b76 | 1148 | return TERM_ERR; |
Just4pLeisure | 1:d5452e398b76 | 1149 | } |
Just4pLeisure | 1:d5452e398b76 | 1150 | |
Just4pLeisure | 1:d5452e398b76 | 1151 | return TERM_OK; |
Just4pLeisure | 1:d5452e398b76 | 1152 | } |
Just4pLeisure | 1:d5452e398b76 | 1153 | |
Just4pLeisure | 1:d5452e398b76 | 1154 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1155 | /** |
Just4pLeisure | 1:d5452e398b76 | 1156 | Issues a read command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 1157 | |
Just4pLeisure | 1:d5452e398b76 | 1158 | @param result read result (out) |
Just4pLeisure | 1:d5452e398b76 | 1159 | @param cmd command sequence |
Just4pLeisure | 1:d5452e398b76 | 1160 | @param addr address (optional) |
Just4pLeisure | 1:d5452e398b76 | 1161 | |
Just4pLeisure | 1:d5452e398b76 | 1162 | @return succ / fail |
Just4pLeisure | 1:d5452e398b76 | 1163 | */ |
Just4pLeisure | 5:1775b4b13232 | 1164 | bool bdm_read(uint32_t* result, uint16_t cmd, const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 1165 | { |
Just4pLeisure | 1:d5452e398b76 | 1166 | *result = 0; |
Just4pLeisure | 1:d5452e398b76 | 1167 | |
Just4pLeisure | 1:d5452e398b76 | 1168 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 1169 | bdm_clk(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1170 | if (bdm_response > BDM_CMDCMPLTE) { |
Just4pLeisure | 1:d5452e398b76 | 1171 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1172 | } |
Just4pLeisure | 1:d5452e398b76 | 1173 | |
Just4pLeisure | 1:d5452e398b76 | 1174 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 1175 | if (addr) { |
Just4pLeisure | 1:d5452e398b76 | 1176 | // first word |
Just4pLeisure | 1:d5452e398b76 | 1177 | bdm_clk((uint16_t)(*addr >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1178 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1179 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1180 | } |
Just4pLeisure | 1:d5452e398b76 | 1181 | // second word |
Just4pLeisure | 1:d5452e398b76 | 1182 | bdm_clk((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1183 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1184 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1185 | } |
Just4pLeisure | 1:d5452e398b76 | 1186 | } |
Just4pLeisure | 1:d5452e398b76 | 1187 | |
Just4pLeisure | 1:d5452e398b76 | 1188 | // receive response words |
Just4pLeisure | 1:d5452e398b76 | 1189 | uint8_t wait_cnt; |
Just4pLeisure | 1:d5452e398b76 | 1190 | for (uint8_t curr_word = 0; curr_word < ((cmd & BDM_LONGSIZE) ? 2 : 1); |
Just4pLeisure | 1:d5452e398b76 | 1191 | ++curr_word) { |
Just4pLeisure | 1:d5452e398b76 | 1192 | // wait while MCU prepares the response |
Just4pLeisure | 1:d5452e398b76 | 1193 | wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1194 | do { |
Just4pLeisure | 1:d5452e398b76 | 1195 | bdm_clk(BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1196 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1197 | |
Just4pLeisure | 1:d5452e398b76 | 1198 | // save the result |
Just4pLeisure | 1:d5452e398b76 | 1199 | if (bdm_response < BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1200 | (*result) <<= 16; |
Just4pLeisure | 1:d5452e398b76 | 1201 | (*result) |= bdm_response; |
Just4pLeisure | 1:d5452e398b76 | 1202 | } else { |
Just4pLeisure | 1:d5452e398b76 | 1203 | // result was not received |
Just4pLeisure | 1:d5452e398b76 | 1204 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1205 | } |
Just4pLeisure | 1:d5452e398b76 | 1206 | } |
Just4pLeisure | 1:d5452e398b76 | 1207 | |
Just4pLeisure | 1:d5452e398b76 | 1208 | return true; |
Just4pLeisure | 1:d5452e398b76 | 1209 | } |
Just4pLeisure | 1:d5452e398b76 | 1210 | |
Just4pLeisure | 1:d5452e398b76 | 1211 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1212 | /** |
Just4pLeisure | 1:d5452e398b76 | 1213 | Issues a write command to MCU. |
Just4pLeisure | 1:d5452e398b76 | 1214 | |
Just4pLeisure | 1:d5452e398b76 | 1215 | @param num_words number of additional command words |
Just4pLeisure | 1:d5452e398b76 | 1216 | @param cmd command sequence |
Just4pLeisure | 1:d5452e398b76 | 1217 | |
Just4pLeisure | 1:d5452e398b76 | 1218 | @return succ / fail |
Just4pLeisure | 1:d5452e398b76 | 1219 | */ |
Just4pLeisure | 5:1775b4b13232 | 1220 | bool bdm_write(const uint32_t* addr, uint16_t cmd, const uint32_t* value) |
Just4pLeisure | 5:1775b4b13232 | 1221 | { |
Just4pLeisure | 1:d5452e398b76 | 1222 | // write command code |
Just4pLeisure | 1:d5452e398b76 | 1223 | bdm_clk(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1224 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1225 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1226 | } |
Just4pLeisure | 1:d5452e398b76 | 1227 | |
Just4pLeisure | 1:d5452e398b76 | 1228 | // write the optional address |
Just4pLeisure | 1:d5452e398b76 | 1229 | if (addr) { |
Just4pLeisure | 1:d5452e398b76 | 1230 | // first word |
Just4pLeisure | 1:d5452e398b76 | 1231 | bdm_clk((uint16_t)((*addr) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1232 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1233 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1234 | } |
Just4pLeisure | 1:d5452e398b76 | 1235 | // second word |
Just4pLeisure | 1:d5452e398b76 | 1236 | bdm_clk((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1237 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1238 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1239 | } |
Just4pLeisure | 1:d5452e398b76 | 1240 | } |
Just4pLeisure | 1:d5452e398b76 | 1241 | |
Just4pLeisure | 1:d5452e398b76 | 1242 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 1243 | if (cmd & BDM_LONGSIZE) { |
Just4pLeisure | 1:d5452e398b76 | 1244 | bdm_clk((uint16_t)((*value) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1245 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1246 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1247 | } |
Just4pLeisure | 1:d5452e398b76 | 1248 | } |
Just4pLeisure | 1:d5452e398b76 | 1249 | bdm_clk((uint16_t)(*value), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1250 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1251 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1252 | } |
Just4pLeisure | 1:d5452e398b76 | 1253 | |
Just4pLeisure | 1:d5452e398b76 | 1254 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 1255 | uint8_t wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1256 | do { |
Just4pLeisure | 1:d5452e398b76 | 1257 | // read response |
Just4pLeisure | 1:d5452e398b76 | 1258 | bdm_clk(BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1259 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1260 | |
Just4pLeisure | 1:d5452e398b76 | 1261 | // check if command succeeded |
Just4pLeisure | 1:d5452e398b76 | 1262 | return (bdm_response == BDM_CMDCMPLTE); |
Just4pLeisure | 1:d5452e398b76 | 1263 | } |
Just4pLeisure | 1:d5452e398b76 | 1264 | |
Just4pLeisure | 5:1775b4b13232 | 1265 | bool bdm_command (uint16_t cmd) |
Just4pLeisure | 5:1775b4b13232 | 1266 | { |
Just4pLeisure | 1:d5452e398b76 | 1267 | // write command code |
Just4pLeisure | 5:1775b4b13232 | 1268 | bdm_clk(cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1269 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1270 | } |
Just4pLeisure | 1:d5452e398b76 | 1271 | |
Just4pLeisure | 5:1775b4b13232 | 1272 | bool bdm_address (const uint32_t* addr) |
Just4pLeisure | 5:1775b4b13232 | 1273 | { |
Just4pLeisure | 1:d5452e398b76 | 1274 | // write an address |
Just4pLeisure | 1:d5452e398b76 | 1275 | // first word |
Just4pLeisure | 5:1775b4b13232 | 1276 | bdm_clk((uint16_t)((*addr) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1277 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1278 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1279 | } |
Just4pLeisure | 1:d5452e398b76 | 1280 | // second word |
Just4pLeisure | 5:1775b4b13232 | 1281 | bdm_clk((uint16_t)(*addr), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1282 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1283 | } |
Just4pLeisure | 1:d5452e398b76 | 1284 | |
Just4pLeisure | 5:1775b4b13232 | 1285 | bool bdm_get (uint32_t* result, uint8_t size, uint16_t next_cmd) |
Just4pLeisure | 5:1775b4b13232 | 1286 | { |
Just4pLeisure | 1:d5452e398b76 | 1287 | // receive response words |
Just4pLeisure | 1:d5452e398b76 | 1288 | *result = 0; |
Just4pLeisure | 1:d5452e398b76 | 1289 | uint8_t wait_cnt; |
Just4pLeisure | 1:d5452e398b76 | 1290 | for (uint8_t curr_word = 0; curr_word < ((size & BDM_LONGSIZE) ? 2 : 1); |
Just4pLeisure | 1:d5452e398b76 | 1291 | ++curr_word) { |
Just4pLeisure | 1:d5452e398b76 | 1292 | // wait while MCU prepares the response |
Just4pLeisure | 1:d5452e398b76 | 1293 | wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1294 | do { |
Just4pLeisure | 5:1775b4b13232 | 1295 | bdm_clk(next_cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1296 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1297 | |
Just4pLeisure | 1:d5452e398b76 | 1298 | // save the result |
Just4pLeisure | 1:d5452e398b76 | 1299 | if (bdm_response < BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1300 | (*result) <<= 16; |
Just4pLeisure | 1:d5452e398b76 | 1301 | (*result) |= bdm_response; |
Just4pLeisure | 1:d5452e398b76 | 1302 | } else { |
Just4pLeisure | 1:d5452e398b76 | 1303 | // result was not received |
Just4pLeisure | 1:d5452e398b76 | 1304 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1305 | } |
Just4pLeisure | 1:d5452e398b76 | 1306 | } |
Just4pLeisure | 1:d5452e398b76 | 1307 | return true; |
Just4pLeisure | 1:d5452e398b76 | 1308 | } |
Just4pLeisure | 1:d5452e398b76 | 1309 | |
Just4pLeisure | 5:1775b4b13232 | 1310 | bool bdm_put (const uint32_t* value, uint8_t size) |
Just4pLeisure | 5:1775b4b13232 | 1311 | { |
Just4pLeisure | 1:d5452e398b76 | 1312 | // write the value |
Just4pLeisure | 1:d5452e398b76 | 1313 | if (size & BDM_LONGSIZE) { |
Just4pLeisure | 5:1775b4b13232 | 1314 | bdm_clk((uint16_t)((*value) >> 16), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1315 | if (bdm_response > BDM_NOTREADY) { |
Just4pLeisure | 1:d5452e398b76 | 1316 | return false; |
Just4pLeisure | 1:d5452e398b76 | 1317 | } |
Just4pLeisure | 1:d5452e398b76 | 1318 | } |
Just4pLeisure | 5:1775b4b13232 | 1319 | bdm_clk((uint16_t)(*value), CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1320 | return (bdm_response > BDM_NOTREADY) ? false : true; |
Just4pLeisure | 1:d5452e398b76 | 1321 | } |
Just4pLeisure | 1:d5452e398b76 | 1322 | |
Just4pLeisure | 5:1775b4b13232 | 1323 | bool bdm_ready (uint16_t next_cmd) |
Just4pLeisure | 5:1775b4b13232 | 1324 | { |
Just4pLeisure | 1:d5452e398b76 | 1325 | // wait until MCU responds |
Just4pLeisure | 1:d5452e398b76 | 1326 | uint8_t wait_cnt = ERR_COUNT; |
Just4pLeisure | 1:d5452e398b76 | 1327 | do { |
Just4pLeisure | 1:d5452e398b76 | 1328 | // read response |
Just4pLeisure | 5:1775b4b13232 | 1329 | bdm_clk(next_cmd, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1330 | } while (bdm_response == BDM_NOTREADY && --wait_cnt > 0); |
Just4pLeisure | 1:d5452e398b76 | 1331 | |
Just4pLeisure | 1:d5452e398b76 | 1332 | // check if command succeeded |
Just4pLeisure | 1:d5452e398b76 | 1333 | return (bdm_response == BDM_CMDCMPLTE); |
Just4pLeisure | 1:d5452e398b76 | 1334 | } |
Just4pLeisure | 1:d5452e398b76 | 1335 | |
Just4pLeisure | 4:682d96ff6d79 | 1336 | |
Just4pLeisure | 1:d5452e398b76 | 1337 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1338 | /** |
Just4pLeisure | 5:1775b4b13232 | 1339 | Sets the speed at which BDM data is trransferred. |
Just4pLeisure | 5:1775b4b13232 | 1340 | |
Just4pLeisure | 5:1775b4b13232 | 1341 | @param mode SLOW, FAST, TURBO, NITROUS |
Just4pLeisure | 5:1775b4b13232 | 1342 | */ |
Just4pLeisure | 5:1775b4b13232 | 1343 | void bdm_clk_mode(bdm_speed mode) |
Just4pLeisure | 5:1775b4b13232 | 1344 | { |
Just4pLeisure | 5:1775b4b13232 | 1345 | switch (mode) { |
Just4pLeisure | 5:1775b4b13232 | 1346 | case NITROUS: |
Just4pLeisure | 5:1775b4b13232 | 1347 | bdm_clk = &bdm_clk_nitrous; |
Just4pLeisure | 5:1775b4b13232 | 1348 | break; |
Just4pLeisure | 5:1775b4b13232 | 1349 | case TURBO: |
Just4pLeisure | 5:1775b4b13232 | 1350 | bdm_clk = &bdm_clk_turbo; |
Just4pLeisure | 5:1775b4b13232 | 1351 | break; |
Just4pLeisure | 5:1775b4b13232 | 1352 | case FAST: |
Just4pLeisure | 5:1775b4b13232 | 1353 | bdm_clk = &bdm_clk_fast; |
Just4pLeisure | 5:1775b4b13232 | 1354 | break; |
Just4pLeisure | 5:1775b4b13232 | 1355 | case SLOW: |
Just4pLeisure | 5:1775b4b13232 | 1356 | default: |
Just4pLeisure | 5:1775b4b13232 | 1357 | bdm_clk = &bdm_clk_slow; |
Just4pLeisure | 5:1775b4b13232 | 1358 | break; |
Just4pLeisure | 5:1775b4b13232 | 1359 | } |
Just4pLeisure | 5:1775b4b13232 | 1360 | return; |
Just4pLeisure | 5:1775b4b13232 | 1361 | } |
Just4pLeisure | 5:1775b4b13232 | 1362 | |
Just4pLeisure | 5:1775b4b13232 | 1363 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 1364 | /** |
Just4pLeisure | 1:d5452e398b76 | 1365 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 1:d5452e398b76 | 1366 | |
Just4pLeisure | 1:d5452e398b76 | 1367 | @param value value to write |
Just4pLeisure | 1:d5452e398b76 | 1368 | @param num_bits value size, bits |
Just4pLeisure | 1:d5452e398b76 | 1369 | */ |
Just4pLeisure | 5:1775b4b13232 | 1370 | /* |
Just4pLeisure | 5:1775b4b13232 | 1371 | void bdm_clk(uint16_t value, uint8_t num_bits) |
Just4pLeisure | 5:1775b4b13232 | 1372 | { |
Just4pLeisure | 5:1775b4b13232 | 1373 | // PIN_BKPT.output(); |
Just4pLeisure | 5:1775b4b13232 | 1374 | PIN_DSI.output(); |
Just4pLeisure | 5:1775b4b13232 | 1375 | // clock the value via BDM |
Just4pLeisure | 5:1775b4b13232 | 1376 | bdm_response = ((uint32_t)value) << (32 - num_bits); |
Just4pLeisure | 5:1775b4b13232 | 1377 | while (num_bits--) { |
Just4pLeisure | 5:1775b4b13232 | 1378 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1379 | PIN_BKPT.write(0); |
Just4pLeisure | 5:1775b4b13232 | 1380 | // set DSI bit |
Just4pLeisure | 5:1775b4b13232 | 1381 | PIN_DSI.write(bdm_response & 0x80000000); |
Just4pLeisure | 5:1775b4b13232 | 1382 | bdm_response <<= 1; |
Just4pLeisure | 5:1775b4b13232 | 1383 | // read DSO bit |
Just4pLeisure | 5:1775b4b13232 | 1384 | bdm_response |= PIN_DSO.read(); |
Just4pLeisure | 5:1775b4b13232 | 1385 | // short delay |
Just4pLeisure | 5:1775b4b13232 | 1386 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 5:1775b4b13232 | 1387 | // wait_us(1); |
Just4pLeisure | 5:1775b4b13232 | 1388 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1389 | PIN_BKPT.write(1); |
Just4pLeisure | 5:1775b4b13232 | 1390 | // short delay |
Just4pLeisure | 5:1775b4b13232 | 1391 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 5:1775b4b13232 | 1392 | // wait_us(1); |
Just4pLeisure | 5:1775b4b13232 | 1393 | } |
Just4pLeisure | 5:1775b4b13232 | 1394 | PIN_DSI.input(); |
Just4pLeisure | 5:1775b4b13232 | 1395 | } |
Just4pLeisure | 5:1775b4b13232 | 1396 | */ |
Just4pLeisure | 5:1775b4b13232 | 1397 | |
Just4pLeisure | 5:1775b4b13232 | 1398 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 1399 | /** |
Just4pLeisure | 5:1775b4b13232 | 1400 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 5:1775b4b13232 | 1401 | |
Just4pLeisure | 5:1775b4b13232 | 1402 | @param value value to write |
Just4pLeisure | 5:1775b4b13232 | 1403 | @param num_bits value size, bits |
Just4pLeisure | 5:1775b4b13232 | 1404 | */ |
Just4pLeisure | 5:1775b4b13232 | 1405 | |
Just4pLeisure | 5:1775b4b13232 | 1406 | void bdm_clk_slow(uint16_t value, uint8_t num_bits) { |
Just4pLeisure | 1:d5452e398b76 | 1407 | // PIN_BKPT.output(); |
Just4pLeisure | 2:bf3a2b29259a | 1408 | PIN_DSI.output(); |
Just4pLeisure | 1:d5452e398b76 | 1409 | // clock the value via BDM |
Just4pLeisure | 1:d5452e398b76 | 1410 | bdm_response = ((uint32_t)value) << (32 - num_bits); |
Just4pLeisure | 1:d5452e398b76 | 1411 | // bool dsi; |
Just4pLeisure | 1:d5452e398b76 | 1412 | while (num_bits--) { |
Just4pLeisure | 1:d5452e398b76 | 1413 | |
Just4pLeisure | 1:d5452e398b76 | 1414 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 1:d5452e398b76 | 1415 | PIN_BKPT.write(0); |
Just4pLeisure | 1:d5452e398b76 | 1416 | // set DSI bit |
Just4pLeisure | 1:d5452e398b76 | 1417 | PIN_DSI.write(bdm_response & 0x80000000); |
Just4pLeisure | 1:d5452e398b76 | 1418 | bdm_response <<= 1; |
Just4pLeisure | 1:d5452e398b76 | 1419 | // read DSO bit |
Just4pLeisure | 1:d5452e398b76 | 1420 | bdm_response |= PIN_DSO.read(); |
Just4pLeisure | 1:d5452e398b76 | 1421 | // short delay |
Just4pLeisure | 1:d5452e398b76 | 1422 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 1:d5452e398b76 | 1423 | // wait_us(1); |
Just4pLeisure | 1:d5452e398b76 | 1424 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 1:d5452e398b76 | 1425 | PIN_BKPT.write(1); |
Just4pLeisure | 1:d5452e398b76 | 1426 | // short delay |
Just4pLeisure | 5:1775b4b13232 | 1427 | // for (uint8_t c = 1; c; c--); |
Just4pLeisure | 1:d5452e398b76 | 1428 | // wait_us(1); |
Just4pLeisure | 1:d5452e398b76 | 1429 | } |
Just4pLeisure | 1:d5452e398b76 | 1430 | PIN_DSI.input(); |
Just4pLeisure | 1:d5452e398b76 | 1431 | } |
Just4pLeisure | 5:1775b4b13232 | 1432 | // |
Just4pLeisure | 4:682d96ff6d79 | 1433 | |
Just4pLeisure | 4:682d96ff6d79 | 1434 | //----------------------------------------------------------------------------- |
Just4pLeisure | 4:682d96ff6d79 | 1435 | /** |
Just4pLeisure | 4:682d96ff6d79 | 1436 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 2:bf3a2b29259a | 1437 | This 'fast' version can be used once the 68332 has been 'prepped' |
Just4pLeisure | 2:bf3a2b29259a | 1438 | because the BDM interface can go twice as fast once the 68332 |
Just4pLeisure | 2:bf3a2b29259a | 1439 | clock is increased from 8 MHz to 16 MHz |
Just4pLeisure | 2:bf3a2b29259a | 1440 | |
Just4pLeisure | 2:bf3a2b29259a | 1441 | @param value value to write |
Just4pLeisure | 2:bf3a2b29259a | 1442 | @param num_bits value size, bits |
Just4pLeisure | 2:bf3a2b29259a | 1443 | */ |
Just4pLeisure | 4:682d96ff6d79 | 1444 | |
Just4pLeisure | 5:1775b4b13232 | 1445 | void bdm_clk_fast(uint16_t value, uint8_t num_bits) |
Just4pLeisure | 5:1775b4b13232 | 1446 | { |
Just4pLeisure | 2:bf3a2b29259a | 1447 | |
Just4pLeisure | 2:bf3a2b29259a | 1448 | //Make DSI an output |
Just4pLeisure | 2:bf3a2b29259a | 1449 | LPC_GPIO2->FIODIR |= (1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1450 | // clock the value via BDM |
Just4pLeisure | 2:bf3a2b29259a | 1451 | bdm_response = ((uint32_t)value) << (32 - num_bits); |
Just4pLeisure | 5:1775b4b13232 | 1452 | // Clock BDM Data in from DSO and out to DSI |
Just4pLeisure | 2:bf3a2b29259a | 1453 | while (num_bits--) { |
Just4pLeisure | 2:bf3a2b29259a | 1454 | // set DSI bit |
Just4pLeisure | 4:682d96ff6d79 | 1455 | (bdm_response & 0x80000000) ? LPC_GPIO2->FIOSET = (1 << 2) : LPC_GPIO2->FIOCLR = (1 << 2); |
Just4pLeisure | 5:1775b4b13232 | 1456 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 2:bf3a2b29259a | 1457 | LPC_GPIO2->FIOCLR = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1458 | // read DSO bit |
Just4pLeisure | 2:bf3a2b29259a | 1459 | // (bdm_response <<= 1) |= (bool)((LPC_GPIO0->FIOPIN) & (1 << 11)); -- OLD CONNECTION to PIN 27 |
Just4pLeisure | 2:bf3a2b29259a | 1460 | (bdm_response <<= 1) |= (bool)((LPC_GPIO2->FIOPIN) & (1 << 1)); |
Just4pLeisure | 2:bf3a2b29259a | 1461 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 2:bf3a2b29259a | 1462 | LPC_GPIO2->FIOSET = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1463 | // introduce a delay to insure that BDM clock isn't too fast |
Just4pLeisure | 5:1775b4b13232 | 1464 | for (uint8_t c = 9; c; c--); // was 5 |
Just4pLeisure | 5:1775b4b13232 | 1465 | } |
Just4pLeisure | 5:1775b4b13232 | 1466 | //Make DSI an input |
Just4pLeisure | 5:1775b4b13232 | 1467 | LPC_GPIO2->FIODIR &= ~(1 << 2); |
Just4pLeisure | 5:1775b4b13232 | 1468 | } |
Just4pLeisure | 5:1775b4b13232 | 1469 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 1470 | |
Just4pLeisure | 5:1775b4b13232 | 1471 | /** |
Just4pLeisure | 5:1775b4b13232 | 1472 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 5:1775b4b13232 | 1473 | This 'turbo' version uses 'bit-banding' to read and write individual |
Just4pLeisure | 5:1775b4b13232 | 1474 | bits directly. This should be faster than the 'fast' version because |
Just4pLeisure | 5:1775b4b13232 | 1475 | the complex calculation to find the address of the BDM word 'bit-band' |
Just4pLeisure | 5:1775b4b13232 | 1476 | region is only done once per call rather than several, simpler, |
Just4pLeisure | 5:1775b4b13232 | 1477 | calculations and bit-shifts that the slow and fast functions do for |
Just4pLeisure | 5:1775b4b13232 | 1478 | each bit. |
Just4pLeisure | 5:1775b4b13232 | 1479 | |
Just4pLeisure | 5:1775b4b13232 | 1480 | The 68332 must have been 'prepped' before using the 'turbo' version |
Just4pLeisure | 5:1775b4b13232 | 1481 | because the BDM interface can go twice as fast once the 68332 |
Just4pLeisure | 5:1775b4b13232 | 1482 | clock is increased from 8 MHz to 16 MHz |
Just4pLeisure | 5:1775b4b13232 | 1483 | |
Just4pLeisure | 5:1775b4b13232 | 1484 | @param value value to write |
Just4pLeisure | 5:1775b4b13232 | 1485 | @param num_bits value size, bits |
Just4pLeisure | 5:1775b4b13232 | 1486 | */ |
Just4pLeisure | 5:1775b4b13232 | 1487 | |
Just4pLeisure | 5:1775b4b13232 | 1488 | void bdm_clk_turbo(uint16_t value, uint8_t num_bits) |
Just4pLeisure | 5:1775b4b13232 | 1489 | { |
Just4pLeisure | 5:1775b4b13232 | 1490 | //Make DSI an output |
Just4pLeisure | 5:1775b4b13232 | 1491 | LPC_GPIO2->FIODIR |= (1 << 2); |
Just4pLeisure | 5:1775b4b13232 | 1492 | bdm_response = (uint32_t)value; |
Just4pLeisure | 5:1775b4b13232 | 1493 | // calculate a pointer to the bitband alias region address of the most significant bit of the BDM word (NOTE num_bits-1) |
Just4pLeisure | 5:1775b4b13232 | 1494 | uint32_t *bdm_response_bit_alias = &bitAlias(bdm_response,num_bits-1); |
Just4pLeisure | 5:1775b4b13232 | 1495 | // Clock BDM Data in from DSO and out to DSI |
Just4pLeisure | 5:1775b4b13232 | 1496 | while (num_bits--) { |
Just4pLeisure | 5:1775b4b13232 | 1497 | // set DSI bit (port 2, bit 2) |
Just4pLeisure | 5:1775b4b13232 | 1498 | bitAlias(LPC_GPIO2->FIOPIN,2) = *bdm_response_bit_alias; |
Just4pLeisure | 5:1775b4b13232 | 1499 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1500 | LPC_GPIO2->FIOCLR = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1501 | // read DSO bit (port 2, bit 1) ( -- OLD CONNECTION WAS to PIN 27 -- port 2, bit 11) |
Just4pLeisure | 5:1775b4b13232 | 1502 | *bdm_response_bit_alias = bitAlias(LPC_GPIO2->FIOPIN,1); |
Just4pLeisure | 5:1775b4b13232 | 1503 | // introduce a delay to insure that BDM clock isn't too fast |
Just4pLeisure | 5:1775b4b13232 | 1504 | for (uint8_t c = 2; c; c--); // was 2 |
Just4pLeisure | 5:1775b4b13232 | 1505 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1506 | LPC_GPIO2->FIOSET = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1507 | // point to the next bit (pointer will be decremented by sizeof pointer) |
Just4pLeisure | 5:1775b4b13232 | 1508 | bdm_response_bit_alias--; |
Just4pLeisure | 5:1775b4b13232 | 1509 | // introduce a delay to insure that BDM clock isn't too fast |
Just4pLeisure | 5:1775b4b13232 | 1510 | for (uint8_t c = 7; c; c--); // was 2 |
Just4pLeisure | 5:1775b4b13232 | 1511 | } |
Just4pLeisure | 5:1775b4b13232 | 1512 | //Make DSI an input |
Just4pLeisure | 5:1775b4b13232 | 1513 | LPC_GPIO2->FIODIR &= ~(1 << 2); |
Just4pLeisure | 5:1775b4b13232 | 1514 | } |
Just4pLeisure | 5:1775b4b13232 | 1515 | //----------------------------------------------------------------------------- |
Just4pLeisure | 5:1775b4b13232 | 1516 | |
Just4pLeisure | 5:1775b4b13232 | 1517 | /** |
Just4pLeisure | 5:1775b4b13232 | 1518 | Writes a word to target MCU via BDM line and gets the response. |
Just4pLeisure | 5:1775b4b13232 | 1519 | |
Just4pLeisure | 5:1775b4b13232 | 1520 | This 'nitrous' version uses is the same as the 'turbo' version but |
Just4pLeisure | 5:1775b4b13232 | 1521 | without minimal delays and will only work with the faster CPU in T8 |
Just4pLeisure | 5:1775b4b13232 | 1522 | once the ECU has been 'prepped' |
Just4pLeisure | 5:1775b4b13232 | 1523 | |
Just4pLeisure | 5:1775b4b13232 | 1524 | @param value value to write |
Just4pLeisure | 5:1775b4b13232 | 1525 | @param num_bits value size, bits |
Just4pLeisure | 5:1775b4b13232 | 1526 | */ |
Just4pLeisure | 5:1775b4b13232 | 1527 | |
Just4pLeisure | 5:1775b4b13232 | 1528 | void bdm_clk_nitrous(uint16_t value, uint8_t num_bits) |
Just4pLeisure | 5:1775b4b13232 | 1529 | { |
Just4pLeisure | 5:1775b4b13232 | 1530 | //Make DSI an output |
Just4pLeisure | 5:1775b4b13232 | 1531 | LPC_GPIO2->FIODIR |= (1 << 2); |
Just4pLeisure | 5:1775b4b13232 | 1532 | bdm_response = (uint32_t)value; |
Just4pLeisure | 5:1775b4b13232 | 1533 | // calculate a pointer to the bitband alias region address of the most significant bit of the BDM word (NOTE num_bits-1) |
Just4pLeisure | 5:1775b4b13232 | 1534 | uint32_t *bdm_response_bit_alias = &bitAlias(bdm_response,num_bits-1); |
Just4pLeisure | 5:1775b4b13232 | 1535 | // Clock BDM Data in from DSO and out to DSI |
Just4pLeisure | 5:1775b4b13232 | 1536 | while (num_bits--) { |
Just4pLeisure | 5:1775b4b13232 | 1537 | // set DSI bit (port 2, bit 2) |
Just4pLeisure | 5:1775b4b13232 | 1538 | bitAlias(LPC_GPIO2->FIOPIN,2) = *bdm_response_bit_alias; |
Just4pLeisure | 5:1775b4b13232 | 1539 | // falling edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1540 | LPC_GPIO2->FIOCLR = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1541 | // read DSO bit (port 2, bit 1) ( -- OLD CONNECTION WAS to PIN 27 -- port 2, bit 11) |
Just4pLeisure | 5:1775b4b13232 | 1542 | *bdm_response_bit_alias = bitAlias(LPC_GPIO2->FIOPIN,1); |
Just4pLeisure | 5:1775b4b13232 | 1543 | // introduce a delay to insure that BDM clock isn't too fast |
Just4pLeisure | 5:1775b4b13232 | 1544 | //for (uint8_t c = 2; c; c--); |
Just4pLeisure | 5:1775b4b13232 | 1545 | // rising edge on BKPT/DSCLK |
Just4pLeisure | 5:1775b4b13232 | 1546 | LPC_GPIO2->FIOSET = (1 << 4); |
Just4pLeisure | 5:1775b4b13232 | 1547 | // point to the next bit (pointer will be decremented by sizeof pointer) |
Just4pLeisure | 5:1775b4b13232 | 1548 | bdm_response_bit_alias--; |
Just4pLeisure | 5:1775b4b13232 | 1549 | // introduce a delay to insure that BDM clock isn't too fast |
Just4pLeisure | 2:bf3a2b29259a | 1550 | for (uint8_t c = 1; c; c--); |
Just4pLeisure | 2:bf3a2b29259a | 1551 | } |
Just4pLeisure | 2:bf3a2b29259a | 1552 | //Make DSI an input |
Just4pLeisure | 2:bf3a2b29259a | 1553 | LPC_GPIO2->FIODIR &= ~(1 << 2); |
Just4pLeisure | 2:bf3a2b29259a | 1554 | } |
Just4pLeisure | 5:1775b4b13232 | 1555 | //----------------------------------------------------------------------------- |
Just4pLeisure | 4:682d96ff6d79 | 1556 | |
Just4pLeisure | 2:bf3a2b29259a | 1557 | /** |
Just4pLeisure | 1:d5452e398b76 | 1558 | Clears the BDM interface after errors. |
Just4pLeisure | 1:d5452e398b76 | 1559 | */ |
Just4pLeisure | 5:1775b4b13232 | 1560 | void bdm_clear() |
Just4pLeisure | 5:1775b4b13232 | 1561 | { |
Just4pLeisure | 1:d5452e398b76 | 1562 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1563 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1564 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1565 | bdm_clk (BDM_NOP, CMD_BIT_COUNT); |
Just4pLeisure | 1:d5452e398b76 | 1566 | |
Just4pLeisure | 1:d5452e398b76 | 1567 | while (bdm_response > 0) { |
Just4pLeisure | 1:d5452e398b76 | 1568 | bdm_clk(0, 1); |
Just4pLeisure | 1:d5452e398b76 | 1569 | } |
Just4pLeisure | 1:d5452e398b76 | 1570 | while (bdm_response < 1) { |
Just4pLeisure | 1:d5452e398b76 | 1571 | bdm_clk(0, 1); |
Just4pLeisure | 1:d5452e398b76 | 1572 | } |
Just4pLeisure | 1:d5452e398b76 | 1573 | bdm_clk(0, 15); |
Just4pLeisure | 1:d5452e398b76 | 1574 | } |
Just4pLeisure | 1:d5452e398b76 | 1575 | |
Just4pLeisure | 1:d5452e398b76 | 1576 | //----------------------------------------------------------------------------- |
Just4pLeisure | 1:d5452e398b76 | 1577 | // EOF |
Just4pLeisure | 1:d5452e398b76 | 1578 | //----------------------------------------------------------------------------- |