bdmcpu32.h

00001 /*******************************************************************************
00002 
00003 bdmcpu32.h
00004 (c) 2010 by Sophie Dexter
00005 
00006 A derivative work based on:
00007 //-----------------------------------------------------------------------------
00008 //    CAN/BDM adapter firmware
00009 //    (C) Janis Silins, 2010
00010 //    $id$
00011 //-----------------------------------------------------------------------------
00012 
00013 ********************************************************************************
00014 
00015 WARNING: Use at your own risk, sadly this software comes with no guarantees.
00016 This software is provided 'free' and in good faith, but the author does not
00017 accept liability for any damage arising from its use.
00018 
00019 *******************************************************************************/
00020 
00021 #ifndef __BDMCPU32_H__
00022 #define __BDMCPU32_H__
00023 
00024 #include "mbed.h"
00025 
00026 #include "common.h"
00027 #include "bdmtrionic.h"
00028 //#include "BDM.h"
00029 
00030 
00031 // MCU status macros
00032 #ifndef IGNORE_VCC_PIN
00033 //    #define IS_CONNECTED    (PIN_PWR)
00034 #define IS_CONNECTED    (bool)((LPC_GPIO1->FIOPIN) & (1 << 30))     // PIN_POWER is p19 p1.30
00035 #else
00036 #define IS_CONNECTED    true
00037 #endif    // IGNORE_VCC_PIN
00038 
00039 //#define IN_BDM              (PIN_FREEZE)
00040 #define IN_BDM              (bool)((LPC_GPIO2->FIOPIN) & (1 << 0))      // FREEZE is p26 P2.0
00041 //#define IS_RUNNING          (PIN_RESET && !IN_BDM)
00042 #define IS_RUNNING          ((bool)((LPC_GPIO2->FIOPIN) & (1 << 3)) && !IN_BDM)          // PIN_RESET is P23 P2.3
00043 
00044 // MCU management
00045 uint8_t stop_chip();
00046 uint8_t reset_chip();
00047 uint8_t run_chip(const uint32_t* addr);
00048 uint8_t restart_chip();
00049 uint8_t step_chip();
00050 uint8_t bkpt_low();
00051 uint8_t bkpt_high();
00052 uint8_t reset_low();
00053 uint8_t reset_high();
00054 uint8_t berr_low();
00055 uint8_t berr_high();
00056 uint8_t berr_input();
00057 
00058 // BDM Clock speed
00059 enum bdm_speed {
00060     SLOW,
00061     FAST,
00062     TURBO,
00063     NITROUS
00064 };
00065 void bdm_clk_mode(bdm_speed mode);
00066 
00067 // memory
00068 uint8_t memread_byte(uint8_t* result, const uint32_t* addr);
00069 uint8_t memread_word(uint16_t* result, const uint32_t* addr);
00070 uint8_t memread_long(uint32_t* result, const uint32_t* addr);
00071 uint8_t memdump_byte(uint8_t* result);
00072 uint8_t memdump_word(uint16_t* result);
00073 uint8_t memdump_long(uint32_t* result);
00074 uint8_t memwrite_byte(const uint32_t* addr, uint8_t value);
00075 uint8_t memwrite_word(const uint32_t* addr, uint16_t value);
00076 uint8_t memwrite_long(const uint32_t* addr, const uint32_t* value);
00077 uint8_t memfill_byte(uint8_t value);
00078 uint8_t memfill_word(uint16_t value);
00079 uint8_t memfill_long(const uint32_t* value);
00080 
00081 // memory split commands
00082 // Setup a start of a sequence of BDM operations
00083 // read commands
00084 uint8_t memread_byte_cmd(const uint32_t* addr);
00085 uint8_t memread_word_cmd(const uint32_t* addr);
00086 uint8_t memread_long_cmd(const uint32_t* addr);
00087 // write commands
00088 uint8_t memwrite_byte_cmd(const uint32_t* addr);
00089 uint8_t memwrite_word_cmd(const uint32_t* addr);
00090 uint8_t memwrite_long_cmd(const uint32_t* addr);
00091 // follow on commands
00092 // dump bytes/words/longs
00093 uint8_t memget_word(uint16_t* result);
00094 uint8_t memget_long(uint32_t* result);
00095 // read and write bytes
00096 uint8_t memwrite_write_byte(const uint32_t* addr, const uint8_t value);
00097 uint8_t memwrite_read_byte(const uint32_t* addr, const uint8_t value);
00098 uint8_t memwrite_nop_byte(const uint32_t* addr, const uint8_t value);
00099 uint8_t memread_read_byte(uint8_t* result, const uint32_t* addr);
00100 uint8_t memread_write_byte(uint8_t* result, const uint32_t* addr);
00101 uint8_t memread_nop_byte(uint8_t* result, const uint32_t* addr);
00102 //
00103 uint8_t memwrite_word_write_word(const uint32_t* addr, const uint16_t value1, const uint16_t value2);
00104 uint8_t memwrite_word_read_word(uint16_t* result, const uint32_t* addr, const uint16_t value);
00105 
00106 
00107 // registers
00108 uint8_t sysreg_read(uint32_t* result, uint8_t reg);
00109 uint8_t sysreg_write(uint8_t reg, const uint32_t* value);
00110 uint8_t adreg_read(uint32_t* result, uint8_t reg);
00111 uint8_t adreg_write(uint8_t reg, const uint32_t* value);
00112 
00113 // bdm part commands
00114 bool bdm_command (uint16_t cmd);
00115 bool bdm_address (const uint32_t* addr);
00116 bool bdm_get (uint32_t* result, uint8_t size, uint16_t next_cmd);
00117 bool bdm_put (const uint32_t* value, uint8_t size);
00118 bool bdm_ready (uint16_t next_cmd);
00119 
00120 #endif    // __BDMCPU32_H__
00121 //-----------------------------------------------------------------------------
00122 //    EOF
00123 //-----------------------------------------------------------------------------