Andrew R
An RC5 decoder and preamp controller. Written on the LPC11U24, Ported to LPC1114 and now 100% stable (January 2016)
Dependents: AppleRemoteController_copy_Production_Version AppleRemoteController_Reference_Only
main.cpp@6:6aedba64f314, 18 months ago (annotated)
- Committer:
- andrewcrussell
- Date:
- Mon Nov 14 13:03:43 2022 +0000
- Revision:
- 6:6aedba64f314
- Parent:
- 5:9525755f7457
- Child:
- 7:ea2799ec389d
22 nov main
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| andrewcrussell | 5:9525755f7457 | 1 | //This is the reference version |
| andrewcrussell | 5:9525755f7457 | 2 | |
| andrewcrussell | 5:9525755f7457 | 3 | |
| andrewcrussell | 5:9525755f7457 | 4 | /****************************** Apple TV Remote Decoder and Preamp Controller V1.0 *************************/ |
| andrewcrussell | 5:9525755f7457 | 5 | /* Andrew C. Russell (c) August 2022 */ |
| andrewcrussell | 5:9525755f7457 | 6 | /* This Apple TV Remote decoder works by reading in the IR stream from one of the serial port lines */ |
| andrewcrussell | 0:83d4a20e7bc7 | 7 | /* and saving the incoming stream into an array called stream, after which it is decoded and */ |
| andrewcrussell | 5:9525755f7457 | 8 | /* the command executed. */ |
| andrewcrussell | 0:83d4a20e7bc7 | 9 | |
| andrewcrussell | 0:83d4a20e7bc7 | 10 | /* The following audio preamplifier facilities are catered for:- */ |
| andrewcrussell | 5:9525755f7457 | 11 | /* 1. Manual/Remote volume control adjustment via ALPS RK27 motorized potentiometer */ |
| andrewcrussell | 0:83d4a20e7bc7 | 12 | /* 2. Input select via rotary encoder */ |
| andrewcrussell | 0:83d4a20e7bc7 | 13 | /* 3. Output mute via push button actuation */ |
| andrewcrussell | 0:83d4a20e7bc7 | 14 | /* 4. Record loop via push button actuation */ |
| andrewcrussell | 0:83d4a20e7bc7 | 15 | /* 5. Power ON output to drive the /standby input of a system power supply */ |
| andrewcrussell | 5:9525755f7457 | 16 | /* Facilities 1,2,3 and 5 are supported by an Apple TV remote */ |
| andrewcrussell | 3:f0cd7c22ca94 | 17 | /* The controller pin definitions are set in Pindef1114.h file. */ |
| andrewcrussell | 3:f0cd7c22ca94 | 18 | |
| andrewcrussell | 3:f0cd7c22ca94 | 19 | |
| andrewcrussell | 3:f0cd7c22ca94 | 20 | // UPDATE 26 July 2018: tone functionality removed. The associated pin (dp25) has been sequestrated |
| andrewcrussell | 3:f0cd7c22ca94 | 21 | // for the standby output to drive a power amplifier. Pin 8 on J2 (Controller board) |
| andrewcrussell | 0:83d4a20e7bc7 | 22 | |
| andrewcrussell | 0:83d4a20e7bc7 | 23 | #include "mbed.h" |
| andrewcrussell | 3:f0cd7c22ca94 | 24 | #include "rc5codes.h" // RC code definitions - in this case for Apple TV Remote |
| andrewcrussell | 5:9525755f7457 | 25 | //#include "Pindef1114.h" // all microcontroller I/O pin assignments defined here |
| andrewcrussell | 0:83d4a20e7bc7 | 26 | |
| andrewcrussell | 0:83d4a20e7bc7 | 27 | #define TRUE 1 |
| andrewcrussell | 0:83d4a20e7bc7 | 28 | #define FALSE 0 |
| andrewcrussell | 0:83d4a20e7bc7 | 29 | #define HIGH 1 |
| andrewcrussell | 0:83d4a20e7bc7 | 30 | #define LOW 0 |
| andrewcrussell | 3:f0cd7c22ca94 | 31 | #define tick 280 // quarter bit time in us |
| andrewcrussell | 3:f0cd7c22ca94 | 32 | #define tock 1120 // one bit time in us |
| andrewcrussell | 3:f0cd7c22ca94 | 33 | #define VUP_timeout 45 // defines max number of R/C cycles before the vol ctrl mtr drive stops |
| andrewcrussell | 3:f0cd7c22ca94 | 34 | #define VDWN_timeout 45 // as above but for volume decrease |
| andrewcrussell | 3:f0cd7c22ca94 | 35 | // Needed to ensure the motor is not burnt out |
| andrewcrussell | 6:6aedba64f314 | 36 | #define DEBOUNCE 20000 // this is the switch debounce time |
| andrewcrussell | 0:83d4a20e7bc7 | 37 | |
| andrewcrussell | 3:f0cd7c22ca94 | 38 | // PHONO_ 1 // these are the input assignments written out |
| andrewcrussell | 3:f0cd7c22ca94 | 39 | // CD 2 // on select_out - see thePindef1114.h file for details |
| andrewcrussell | 3:f0cd7c22ca94 | 40 | // TUN 4 |
| andrewcrussell | 3:f0cd7c22ca94 | 41 | // MSERV 8 |
| andrewcrussell | 3:f0cd7c22ca94 | 42 | // AUX 16 |
| andrewcrussell | 3:f0cd7c22ca94 | 43 | // RECORDER 32 |
| andrewcrussell | 5:9525755f7457 | 44 | /******************************************************************************************/ |
| andrewcrussell | 5:9525755f7457 | 45 | DigitalOut FWD1(dp1); // these are the motor 'H' bridge drive signals |
| andrewcrussell | 5:9525755f7457 | 46 | DigitalOut REV1(dp2); // when the volume controll motor is not being driven |
| andrewcrussell | 5:9525755f7457 | 47 | // they are all OFF |
| andrewcrussell | 5:9525755f7457 | 48 | |
| andrewcrussell | 5:9525755f7457 | 49 | DigitalOut muteout(dp13); // drives the mute relay via a mosfet or transistor |
| andrewcrussell | 5:9525755f7457 | 50 | DigitalOut muteLED(dp14); |
| andrewcrussell | 5:9525755f7457 | 51 | //InterruptIn mute_int(dp11); // mute p/button interrupt |
| andrewcrussell | 5:9525755f7457 | 52 | //DigitalIn mute(dp11); // mute input from associated pushbutton |
| andrewcrussell | 5:9525755f7457 | 53 | |
| andrewcrussell | 5:9525755f7457 | 54 | DigitalOut stby_pa(dp25); // power amplifier standby control which follows the premap |
| andrewcrussell | 5:9525755f7457 | 55 | // but with suitable delays |
| andrewcrussell | 5:9525755f7457 | 56 | |
| andrewcrussell | 5:9525755f7457 | 57 | InterruptIn rc5int(dp17); // this is the R/C interrupt triggered by the IRx data out |
| andrewcrussell | 5:9525755f7457 | 58 | DigitalIn rc5dat(dp17); // data is read in from here - its coming from the IRx data out |
| andrewcrussell | 5:9525755f7457 | 59 | |
| andrewcrussell | 5:9525755f7457 | 60 | |
| andrewcrussell | 5:9525755f7457 | 61 | InterruptIn select_int(dp28); // select rotary encoder interrupt - we use the 'A' O/P to generate the interrupt |
| andrewcrussell | 5:9525755f7457 | 62 | DigitalIn sela(dp28); // select input rotary enc input A |
| andrewcrussell | 5:9525755f7457 | 63 | DigitalIn selb(dp27); // select input rotary enc input B |
| andrewcrussell | 5:9525755f7457 | 64 | |
| andrewcrussell | 5:9525755f7457 | 65 | DigitalIn stdby(dp26); // standby function p/button input |
| andrewcrussell | 5:9525755f7457 | 66 | InterruptIn stdby_int(dp26); // standby p/button interrupt in |
| andrewcrussell | 5:9525755f7457 | 67 | |
| andrewcrussell | 5:9525755f7457 | 68 | |
| andrewcrussell | 5:9525755f7457 | 69 | //InterruptIn tone_pb(dp15); |
| andrewcrussell | 5:9525755f7457 | 70 | //DigitalIn tone(dp15); |
| andrewcrussell | 5:9525755f7457 | 71 | //DigitalOut tone(dp25); // can only be turned on and off at this stage by the r/control |
| andrewcrussell | 5:9525755f7457 | 72 | |
| andrewcrussell | 5:9525755f7457 | 73 | //InterruptIn recloop_int(dp14); //record loop interrupt |
| andrewcrussell | 5:9525755f7457 | 74 | //DigitalIn recloop_in(dp14); // record loop p/button input |
| andrewcrussell | 5:9525755f7457 | 75 | //DigitalOut recloop_out(dp16); // drives record loop LED |
| andrewcrussell | 5:9525755f7457 | 76 | //DigitalOut recloop_rly(dp10); |
| andrewcrussell | 5:9525755f7457 | 77 | |
| andrewcrussell | 5:9525755f7457 | 78 | BusOut select_drv(dp11,dp4, dp5, dp6, dp9, dp10); //these are the select relay drivers |
| andrewcrussell | 5:9525755f7457 | 79 | |
| andrewcrussell | 5:9525755f7457 | 80 | /*******************************************************************************************/ |
| andrewcrussell | 5:9525755f7457 | 81 | |
| andrewcrussell | 0:83d4a20e7bc7 | 82 | |
| andrewcrussell | 0:83d4a20e7bc7 | 83 | int startbit; |
| andrewcrussell | 3:f0cd7c22ca94 | 84 | int toggle; // this is the 3rd bit position in the input stream and checks for |
| andrewcrussell | 3:f0cd7c22ca94 | 85 | // subsequent button depresses from the r/control |
| andrewcrussell | 2:674e2dd56e7d | 86 | int toggle1; // temorary storage in the volume UP and volume DOWN functions |
| andrewcrussell | 2:674e2dd56e7d | 87 | int toggle2; // temprary storage of the PB in the mute function |
| andrewcrussell | 3:f0cd7c22ca94 | 88 | int toggle3; // temp storage for the r/control tone in-out function |
| andrewcrussell | 0:83d4a20e7bc7 | 89 | int standby; |
| andrewcrussell | 3:f0cd7c22ca94 | 90 | int command = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 91 | int vendor_id = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 92 | int pair_command = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 93 | int address = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 94 | int stop_bit = 0; |
| andrewcrussell | 5:9525755f7457 | 95 | int recloop_status = 0; |
| andrewcrussell | 0:83d4a20e7bc7 | 96 | int FLAG1; // this is used in the remote control input processing |
| andrewcrussell | 0:83d4a20e7bc7 | 97 | int FLAG2; // this is used in the select input processing |
| andrewcrussell | 0:83d4a20e7bc7 | 98 | int FLAG3; // this is for the mute pushbutton |
| andrewcrussell | 0:83d4a20e7bc7 | 99 | int FLAG4; // this is for the standby pushbutton |
| andrewcrussell | 5:9525755f7457 | 100 | // int FLAG5; // this is the recloop flag |
| andrewcrussell | 0:83d4a20e7bc7 | 101 | int RCFLAG = FALSE; // used to determine if the select command came via R/C |
| andrewcrussell | 3:f0cd7c22ca94 | 102 | int REPEATFLAG; // repaet command flag used for volume control |
| andrewcrussell | 5:9525755f7457 | 103 | //int FLAGVOLUP; |
| andrewcrussell | 5:9525755f7457 | 104 | //int FLAGVOLDWN; |
| andrewcrussell | 5:9525755f7457 | 105 | //int FLAG7 = FALSE; // thyis flag is set to TRUE if recloop is active |
| andrewcrussell | 0:83d4a20e7bc7 | 106 | int standbyflag; // used to save the standby condition |
| andrewcrussell | 3:f0cd7c22ca94 | 107 | int RECLOOP1 = 16; // this is the bus address 1 before the Recorder |
| andrewcrussell | 3:f0cd7c22ca94 | 108 | int RECLOOP2 = 32; // this is the bus address for the Recorder input |
| andrewcrussell | 3:f0cd7c22ca94 | 109 | // and is used in the recloop service routine |
| andrewcrussell | 3:f0cd7c22ca94 | 110 | int muteflag = FALSE; // use to control mute and mute indicatoe independently |
| andrewcrussell | 5:9525755f7457 | 111 | //int recloop_status = 32; // this is the initial value. This variable is used |
| andrewcrussell | 3:f0cd7c22ca94 | 112 | // in the select_out routine to indicate when the |
| andrewcrussell | 3:f0cd7c22ca94 | 113 | // input select should wrap around dependent upon |
| andrewcrussell | 3:f0cd7c22ca94 | 114 | // whether the record loop has been activated. |
| andrewcrussell | 0:83d4a20e7bc7 | 115 | int relay; |
| andrewcrussell | 0:83d4a20e7bc7 | 116 | int key_press = 1; // keeps track of key presses |
| andrewcrussell | 5:9525755f7457 | 117 | int REPEAT = 511; // this is the repeat code for volup and voldown |
| andrewcrussell | 5:9525755f7457 | 118 | int COMSTORE = 0; // store the previous command |
| andrewcrussell | 0:83d4a20e7bc7 | 119 | |
| andrewcrussell | 0:83d4a20e7bc7 | 120 | // delcarations below are all for the input select proceses |
| andrewcrussell | 0:83d4a20e7bc7 | 121 | int select = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 122 | int select_save = 2; // we save the status of select drive here. Initial setting is for CD |
| andrewcrussell | 3:f0cd7c22ca94 | 123 | int select_rot; // rotary encoder pulse counter |
| andrewcrussell | 2:674e2dd56e7d | 124 | |
| andrewcrussell | 0:83d4a20e7bc7 | 125 | // declare function prototypes here |
| andrewcrussell | 3:f0cd7c22ca94 | 126 | void select_out (void); // writes selected input out to the select_drv bus |
| andrewcrussell | 3:f0cd7c22ca94 | 127 | void select_isr(void); |
| andrewcrussell | 3:f0cd7c22ca94 | 128 | void rc5isr(void); // RC5 ISR for remote control |
| andrewcrussell | 0:83d4a20e7bc7 | 129 | void mute_isr(void); |
| andrewcrussell | 3:f0cd7c22ca94 | 130 | void mute_sel(void); //mutes select relays for a few ms during select |
| andrewcrussell | 5:9525755f7457 | 131 | //void recloop_isr(void); |
| andrewcrussell | 0:83d4a20e7bc7 | 132 | void standby_out(void); |
| andrewcrussell | 0:83d4a20e7bc7 | 133 | |
| andrewcrussell | 0:83d4a20e7bc7 | 134 | /****************************** volume increase ***********************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 135 | void vol_up (void) |
| andrewcrussell | 0:83d4a20e7bc7 | 136 | { |
| andrewcrussell | 0:83d4a20e7bc7 | 137 | if ((standbyflag == TRUE) && (key_press < VUP_timeout)) { |
| andrewcrussell | 5:9525755f7457 | 138 | FWD1 = HIGH; |
| andrewcrussell | 6:6aedba64f314 | 139 | wait_us(100000); //drive the motors for a short while |
| andrewcrussell | 5:9525755f7457 | 140 | } |
| andrewcrussell | 5:9525755f7457 | 141 | FWD1 = LOW; |
| andrewcrussell | 3:f0cd7c22ca94 | 142 | |
| andrewcrussell | 5:9525755f7457 | 143 | // } |
| andrewcrussell | 5:9525755f7457 | 144 | // if (toggle1 != toggle) { |
| andrewcrussell | 5:9525755f7457 | 145 | // key_press = 0; // user released the button, so reset counter |
| andrewcrussell | 5:9525755f7457 | 146 | // } else if (toggle1 == toggle) { |
| andrewcrussell | 5:9525755f7457 | 147 | // key_press++; // button remained depressed, so increment counter |
| andrewcrussell | 5:9525755f7457 | 148 | //} |
| andrewcrussell | 5:9525755f7457 | 149 | //// toggle1 = toggle; |
| andrewcrussell | 6:6aedba64f314 | 150 | wait_us(1000); |
| andrewcrussell | 3:f0cd7c22ca94 | 151 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 152 | |
| andrewcrussell | 3:f0cd7c22ca94 | 153 | /******************************* volume decrease **********************************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 154 | void vol_dwn (void) |
| andrewcrussell | 3:f0cd7c22ca94 | 155 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 156 | if ((standbyflag == TRUE) && (key_press < VDWN_timeout)) { |
| andrewcrussell | 5:9525755f7457 | 157 | REV1 = HIGH; |
| andrewcrussell | 6:6aedba64f314 | 158 | wait_us(1000); //drive the motors for a short while |
| andrewcrussell | 5:9525755f7457 | 159 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 160 | REV1 = LOW; |
| andrewcrussell | 5:9525755f7457 | 161 | // } |
| andrewcrussell | 5:9525755f7457 | 162 | // if (toggle1 != toggle) { |
| andrewcrussell | 5:9525755f7457 | 163 | // key_press = 0; // user released the button, so reset counter |
| andrewcrussell | 5:9525755f7457 | 164 | // } else if (toggle1 == toggle) { |
| andrewcrussell | 5:9525755f7457 | 165 | // key_press++; // button remained depressed, so increment counter |
| andrewcrussell | 5:9525755f7457 | 166 | // } |
| andrewcrussell | 5:9525755f7457 | 167 | // toggle1 = toggle; |
| andrewcrussell | 6:6aedba64f314 | 168 | wait_us(1000); |
| andrewcrussell | 0:83d4a20e7bc7 | 169 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 170 | |
| andrewcrussell | 0:83d4a20e7bc7 | 171 | /********************************** stdby_isr *************************************/ |
| andrewcrussell | 2:674e2dd56e7d | 172 | void stdby_isr(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 173 | { |
| andrewcrussell | 0:83d4a20e7bc7 | 174 | FLAG4 = TRUE; |
| andrewcrussell | 0:83d4a20e7bc7 | 175 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 176 | |
| andrewcrussell | 0:83d4a20e7bc7 | 177 | /*********************************** standby **************************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 178 | /* this will require supporting hardware functionality to power down the */ |
| andrewcrussell | 0:83d4a20e7bc7 | 179 | /* analog board, LED's etc. Best option here is to use regulators with a */ |
| andrewcrussell | 3:f0cd7c22ca94 | 180 | /* shutdown option. for now, all the LED's are just turned off */ |
| andrewcrussell | 3:f0cd7c22ca94 | 181 | /* and input relays and mute relayes disabled. */ |
| andrewcrussell | 0:83d4a20e7bc7 | 182 | |
| andrewcrussell | 0:83d4a20e7bc7 | 183 | void standby_out(void) // both p/button and R/C come in here |
| andrewcrussell | 0:83d4a20e7bc7 | 184 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 185 | __disable_irq(); |
| andrewcrussell | 3:f0cd7c22ca94 | 186 | stdby_int.fall(NULL); // on first power up cycle NO interrupts are accepted |
| andrewcrussell | 6:6aedba64f314 | 187 | wait_us(DEBOUNCE); // a very simple debounce |
| andrewcrussell | 0:83d4a20e7bc7 | 188 | do { // that waits for the depressed button to be released |
| andrewcrussell | 5:9525755f7457 | 189 | continue; //(1);a |
| andrewcrussell | 3:f0cd7c22ca94 | 190 | } while (stdby != 1); |
| andrewcrussell | 0:83d4a20e7bc7 | 191 | |
| andrewcrussell | 3:f0cd7c22ca94 | 192 | if (standbyflag == TRUE) { // was ON so now turn it OFF |
| andrewcrussell | 5:9525755f7457 | 193 | stby_pa = HIGH; // turn the trigger output OFF |
| andrewcrussell | 6:6aedba64f314 | 194 | wait_us(1000000); //make sure power amp has powered down |
| andrewcrussell | 5:9525755f7457 | 195 | muteLED = HIGH; |
| andrewcrussell | 3:f0cd7c22ca94 | 196 | muteout = LOW; // now mute the preamp |
| andrewcrussell | 6:6aedba64f314 | 197 | wait_us(3000000); |
| andrewcrussell | 0:83d4a20e7bc7 | 198 | // turn off all interrupts except the standby and rc5int |
| andrewcrussell | 0:83d4a20e7bc7 | 199 | select_int.fall(NULL); |
| andrewcrussell | 3:f0cd7c22ca94 | 200 | select_save = select_drv; // save the status of select_drv |
| andrewcrussell | 3:f0cd7c22ca94 | 201 | select_drv = 0; // all input select relays are OFF |
| andrewcrussell | 3:f0cd7c22ca94 | 202 | standbyflag = FALSE; |
| andrewcrussell | 5:9525755f7457 | 203 | muteflag = FALSE; |
| andrewcrussell | 5:9525755f7457 | 204 | muteLED = LOW; |
| andrewcrussell | 3:f0cd7c22ca94 | 205 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 206 | |
| andrewcrussell | 2:674e2dd56e7d | 207 | |
| andrewcrussell | 3:f0cd7c22ca94 | 208 | else if (standbyflag == FALSE) {// was OFF so we will turn it ON |
| andrewcrussell | 2:674e2dd56e7d | 209 | |
| andrewcrussell | 5:9525755f7457 | 210 | muteLED = HIGH; // turn the mute indicator ON |
| andrewcrussell | 3:f0cd7c22ca94 | 211 | rc5int.rise(&rc5isr); // trigger int on rising edge - go service it at rc5dat |
| andrewcrussell | 0:83d4a20e7bc7 | 212 | select_int.fall(&select_isr); // input from rotary encoder or input select |
| andrewcrussell | 6:6aedba64f314 | 213 | wait_us(100000); |
| andrewcrussell | 3:f0cd7c22ca94 | 214 | select_drv = select_save; // recall the input select setting and write to output |
| andrewcrussell | 6:6aedba64f314 | 215 | wait_us(2000000); // let things settle a bit |
| andrewcrussell | 3:f0cd7c22ca94 | 216 | muteout = HIGH; // enable output |
| andrewcrussell | 5:9525755f7457 | 217 | muteflag = FALSE; |
| andrewcrussell | 5:9525755f7457 | 218 | muteLED = LOW; // turn the mute indicator OFF |
| andrewcrussell | 0:83d4a20e7bc7 | 219 | standbyflag = TRUE; |
| andrewcrussell | 6:6aedba64f314 | 220 | wait_us(3000000); // make sure preamp has settled before powering power amp ON |
| andrewcrussell | 5:9525755f7457 | 221 | stby_pa = LOW; // now power up the amplifier |
| andrewcrussell | 0:83d4a20e7bc7 | 222 | } |
| andrewcrussell | 6:6aedba64f314 | 223 | wait_us(500000); // let things settle a bit |
| andrewcrussell | 3:f0cd7c22ca94 | 224 | __enable_irq(); |
| andrewcrussell | 3:f0cd7c22ca94 | 225 | stdby_int.fall(&stdby_isr); // re-enable the standby interrupt |
| andrewcrussell | 3:f0cd7c22ca94 | 226 | |
| andrewcrussell | 0:83d4a20e7bc7 | 227 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 228 | |
| andrewcrussell | 3:f0cd7c22ca94 | 229 | /************************************** mute ************************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 230 | void mute_out() |
| andrewcrussell | 0:83d4a20e7bc7 | 231 | { |
| andrewcrussell | 5:9525755f7457 | 232 | |
| andrewcrussell | 3:f0cd7c22ca94 | 233 | if (muteflag == FALSE) { // mute was inactive so it will now get activated |
| andrewcrussell | 6:6aedba64f314 | 234 | wait_us(100000); |
| andrewcrussell | 5:9525755f7457 | 235 | muteout = LOW; |
| andrewcrussell | 5:9525755f7457 | 236 | muteLED = HIGH; |
| andrewcrussell | 3:f0cd7c22ca94 | 237 | muteflag = TRUE; // indicate its been activated |
| andrewcrussell | 0:83d4a20e7bc7 | 238 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 239 | |
| andrewcrussell | 3:f0cd7c22ca94 | 240 | else if (muteflag == TRUE) { //it was active, so it must be deactivated here |
| andrewcrussell | 6:6aedba64f314 | 241 | wait_us(100000); |
| andrewcrussell | 5:9525755f7457 | 242 | muteout = HIGH; |
| andrewcrussell | 5:9525755f7457 | 243 | muteLED = LOW; |
| andrewcrussell | 3:f0cd7c22ca94 | 244 | muteflag = FALSE; |
| andrewcrussell | 3:f0cd7c22ca94 | 245 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 246 | |
| andrewcrussell | 6:6aedba64f314 | 247 | wait_us(800000); // make sure relay state is settled |
| andrewcrussell | 3:f0cd7c22ca94 | 248 | |
| andrewcrussell | 0:83d4a20e7bc7 | 249 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 250 | |
| andrewcrussell | 0:83d4a20e7bc7 | 251 | /************************************ rc5isr **************************************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 252 | /* Interrupt triggered by a rising edge on p21 which is R/C data in */ |
| andrewcrussell | 0:83d4a20e7bc7 | 253 | |
| andrewcrussell | 0:83d4a20e7bc7 | 254 | void rc5isr(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 255 | { |
| andrewcrussell | 0:83d4a20e7bc7 | 256 | FLAG1 = TRUE; |
| andrewcrussell | 3:f0cd7c22ca94 | 257 | RCFLAG = TRUE; |
| andrewcrussell | 5:9525755f7457 | 258 | |
| andrewcrussell | 0:83d4a20e7bc7 | 259 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 260 | |
| andrewcrussell | 3:f0cd7c22ca94 | 261 | /******************* save bit stream from remote controller ***********************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 262 | /* This function reads the input data on pin rc5dat at 1120us ('tock')intervals */ |
| andrewcrussell | 0:83d4a20e7bc7 | 263 | /* and saves the data into an array stream[i]. */ |
| andrewcrussell | 0:83d4a20e7bc7 | 264 | |
| andrewcrussell | 0:83d4a20e7bc7 | 265 | void save_stream(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 266 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 267 | if (RCFLAG == TRUE) { |
| andrewcrussell | 3:f0cd7c22ca94 | 268 | wait_us(13500); // this is the AGC header - ignore |
| andrewcrussell | 3:f0cd7c22ca94 | 269 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 270 | |
| andrewcrussell | 3:f0cd7c22ca94 | 271 | bool stream[32];// the array is initialized each time it is used and is local only |
| andrewcrussell | 0:83d4a20e7bc7 | 272 | int bitloop; // number of bit positions |
| andrewcrussell | 0:83d4a20e7bc7 | 273 | int i = 0; // counter |
| andrewcrussell | 0:83d4a20e7bc7 | 274 | int k = 0; // temp storage |
| andrewcrussell | 3:f0cd7c22ca94 | 275 | vendor_id = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 276 | pair_command = 0; |
| andrewcrussell | 0:83d4a20e7bc7 | 277 | address = 0; |
| andrewcrussell | 0:83d4a20e7bc7 | 278 | command = 0; |
| andrewcrussell | 3:f0cd7c22ca94 | 279 | stop_bit = 0; //must always return a 1 to be valid, so reset it |
| andrewcrussell | 3:f0cd7c22ca94 | 280 | wait_us(tick); // locate read point in middle of 1st half bit time of the 1st start bit |
| andrewcrussell | 3:f0cd7c22ca94 | 281 | |
| andrewcrussell | 3:f0cd7c22ca94 | 282 | for (bitloop = 0; bitloop <32; bitloop ++) { |
| andrewcrussell | 3:f0cd7c22ca94 | 283 | |
| andrewcrussell | 0:83d4a20e7bc7 | 284 | stream[bitloop] = rc5dat; //read the data and save it to array position [i] |
| andrewcrussell | 5:9525755f7457 | 285 | // bitstream = !bitstream; // RC bitstream moinitor on pin 14 |
| andrewcrussell | 3:f0cd7c22ca94 | 286 | if (rc5dat == HIGH) { |
| andrewcrussell | 3:f0cd7c22ca94 | 287 | wait_us(tock); |
| andrewcrussell | 3:f0cd7c22ca94 | 288 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 289 | |
| andrewcrussell | 0:83d4a20e7bc7 | 290 | wait_us(tock); //wait here until ready to read the next bit in |
| andrewcrussell | 3:f0cd7c22ca94 | 291 | } // now have 31 bits loaded into stream[i] |
| andrewcrussell | 3:f0cd7c22ca94 | 292 | |
| andrewcrussell | 0:83d4a20e7bc7 | 293 | /* now put data in the array into the start, toggle, address and command variables - array counts from stream[0] */ |
| andrewcrussell | 0:83d4a20e7bc7 | 294 | |
| andrewcrussell | 3:f0cd7c22ca94 | 295 | for (i=0; i<11; i++) { // first 11 bit positions are vendor ID - always 043f for Apple; use for error checking later |
| andrewcrussell | 3:f0cd7c22ca94 | 296 | |
| andrewcrussell | 3:f0cd7c22ca94 | 297 | k = stream[i]; // k will hold the vendor ID |
| andrewcrussell | 3:f0cd7c22ca94 | 298 | vendor_id = (vendor_id << 1); |
| andrewcrussell | 3:f0cd7c22ca94 | 299 | vendor_id = vendor_id|k; |
| andrewcrussell | 3:f0cd7c22ca94 | 300 | |
| andrewcrussell | 0:83d4a20e7bc7 | 301 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 302 | |
| andrewcrussell | 3:f0cd7c22ca94 | 303 | for (i = 11; i <16; i++) { // command or pair |
| andrewcrussell | 3:f0cd7c22ca94 | 304 | k = stream[i]; |
| andrewcrussell | 3:f0cd7c22ca94 | 305 | pair_command = (pair_command << 1); |
| andrewcrussell | 3:f0cd7c22ca94 | 306 | pair_command = pair_command|k; |
| andrewcrussell | 3:f0cd7c22ca94 | 307 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 308 | |
| andrewcrussell | 3:f0cd7c22ca94 | 309 | for (i = 16; i <25; i++) { // device pairing address |
| andrewcrussell | 0:83d4a20e7bc7 | 310 | k = stream[i]; |
| andrewcrussell | 0:83d4a20e7bc7 | 311 | address = (address << 1); |
| andrewcrussell | 0:83d4a20e7bc7 | 312 | address = address|k; |
| andrewcrussell | 0:83d4a20e7bc7 | 313 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 314 | |
| andrewcrussell | 3:f0cd7c22ca94 | 315 | |
| andrewcrussell | 3:f0cd7c22ca94 | 316 | for (i = 25; i <31; i++) { // bit positions 25 to 30 are the command - 7 bit positions |
| andrewcrussell | 0:83d4a20e7bc7 | 317 | k = stream[i]; |
| andrewcrussell | 0:83d4a20e7bc7 | 318 | command = (command << 1); |
| andrewcrussell | 0:83d4a20e7bc7 | 319 | command = command|k; |
| andrewcrussell | 0:83d4a20e7bc7 | 320 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 321 | stop_bit = stream[31]; |
| andrewcrussell | 0:83d4a20e7bc7 | 322 | |
| andrewcrussell | 5:9525755f7457 | 323 | // printf("\n vendor_id = %d pair_command = %d address = %d command = %d stop_bit = %d \r", vendor_id, pair_command, address, command, stop_bit); |
| andrewcrussell | 0:83d4a20e7bc7 | 324 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 325 | |
| andrewcrussell | 0:83d4a20e7bc7 | 326 | /********************************* process_stream() *******************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 327 | /* handles commands coming in from the remote controller only */ |
| andrewcrussell | 0:83d4a20e7bc7 | 328 | |
| andrewcrussell | 0:83d4a20e7bc7 | 329 | void process_stream (void) |
| andrewcrussell | 0:83d4a20e7bc7 | 330 | { |
| andrewcrussell | 5:9525755f7457 | 331 | if ((RCFLAG == TRUE) && ((vendor_id == 479) || (vendor_id == 2047)) ) { |
| andrewcrussell | 5:9525755f7457 | 332 | // basic error checking - must be preamp + startbit ok to get executed otherwise skip completly |
| andrewcrussell | 5:9525755f7457 | 333 | |
| andrewcrussell | 5:9525755f7457 | 334 | if (address == REPEAT) { |
| andrewcrussell | 5:9525755f7457 | 335 | address = COMSTORE; } |
| andrewcrussell | 5:9525755f7457 | 336 | |
| andrewcrussell | 5:9525755f7457 | 337 | |
| andrewcrussell | 3:f0cd7c22ca94 | 338 | switch (address) { |
| andrewcrussell | 0:83d4a20e7bc7 | 339 | |
| andrewcrussell | 0:83d4a20e7bc7 | 340 | case VUP: |
| andrewcrussell | 5:9525755f7457 | 341 | if (standbyflag == TRUE) { |
| andrewcrussell | 5:9525755f7457 | 342 | vol_up();} |
| andrewcrussell | 5:9525755f7457 | 343 | //FLAGVOLUP = TRUE; |
| andrewcrussell | 0:83d4a20e7bc7 | 344 | break; |
| andrewcrussell | 0:83d4a20e7bc7 | 345 | |
| andrewcrussell | 0:83d4a20e7bc7 | 346 | case VDOWN: |
| andrewcrussell | 5:9525755f7457 | 347 | if (standbyflag == TRUE) { |
| andrewcrussell | 5:9525755f7457 | 348 | vol_dwn(); } |
| andrewcrussell | 5:9525755f7457 | 349 | // FLAGVOLDWN = TRUE; |
| andrewcrussell | 0:83d4a20e7bc7 | 350 | break; |
| andrewcrussell | 0:83d4a20e7bc7 | 351 | |
| andrewcrussell | 0:83d4a20e7bc7 | 352 | case MUTE: |
| andrewcrussell | 5:9525755f7457 | 353 | if (standbyflag == TRUE) {mute_out();} |
| andrewcrussell | 0:83d4a20e7bc7 | 354 | break; |
| andrewcrussell | 0:83d4a20e7bc7 | 355 | |
| andrewcrussell | 0:83d4a20e7bc7 | 356 | case SELECT_R: |
| andrewcrussell | 5:9525755f7457 | 357 | if (standbyflag == TRUE) { select_out();} |
| andrewcrussell | 6:6aedba64f314 | 358 | wait_us(300000); |
| andrewcrussell | 0:83d4a20e7bc7 | 359 | break; |
| andrewcrussell | 0:83d4a20e7bc7 | 360 | |
| andrewcrussell | 3:f0cd7c22ca94 | 361 | case SELECT_L: |
| andrewcrussell | 5:9525755f7457 | 362 | if (standbyflag == TRUE) { select_out();} |
| andrewcrussell | 6:6aedba64f314 | 363 | wait_us(300000); |
| andrewcrussell | 3:f0cd7c22ca94 | 364 | break; |
| andrewcrussell | 3:f0cd7c22ca94 | 365 | |
| andrewcrussell | 0:83d4a20e7bc7 | 366 | case STANDBY: |
| andrewcrussell | 0:83d4a20e7bc7 | 367 | standby_out(); |
| andrewcrussell | 0:83d4a20e7bc7 | 368 | break; |
| andrewcrussell | 3:f0cd7c22ca94 | 369 | |
| andrewcrussell | 0:83d4a20e7bc7 | 370 | } |
| andrewcrussell | 5:9525755f7457 | 371 | COMSTORE = address; // save the just execued command |
| andrewcrussell | 3:f0cd7c22ca94 | 372 | |
| andrewcrussell | 5:9525755f7457 | 373 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 374 | RCFLAG = FALSE; |
| andrewcrussell | 3:f0cd7c22ca94 | 375 | |
| andrewcrussell | 0:83d4a20e7bc7 | 376 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 377 | /*********************************** select_isr ***********************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 378 | |
| andrewcrussell | 0:83d4a20e7bc7 | 379 | void select_isr(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 380 | { |
| andrewcrussell | 0:83d4a20e7bc7 | 381 | FLAG2 = TRUE; |
| andrewcrussell | 0:83d4a20e7bc7 | 382 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 383 | |
| andrewcrussell | 3:f0cd7c22ca94 | 384 | /****************************** mute inter select*********************************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 385 | |
| andrewcrussell | 3:f0cd7c22ca94 | 386 | void mute_sel(void) |
| andrewcrussell | 3:f0cd7c22ca94 | 387 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 388 | select_drv = 0; |
| andrewcrussell | 6:6aedba64f314 | 389 | wait_us(2000); |
| andrewcrussell | 3:f0cd7c22ca94 | 390 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 391 | |
| andrewcrussell | 0:83d4a20e7bc7 | 392 | /********************************* select_process *********************************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 393 | /* Used for selecting the input source. This function is used by the */ |
| andrewcrussell | 3:f0cd7c22ca94 | 394 | /* rotary encoder only */ |
| andrewcrussell | 0:83d4a20e7bc7 | 395 | |
| andrewcrussell | 0:83d4a20e7bc7 | 396 | void select_process(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 397 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 398 | |
| andrewcrussell | 3:f0cd7c22ca94 | 399 | if (RCFLAG == FALSE) { // if used R/C skip completely - extra safety check |
| andrewcrussell | 6:6aedba64f314 | 400 | wait_us(5000); // debounce - very short for the rotary encoder |
| andrewcrussell | 0:83d4a20e7bc7 | 401 | select = 0; // flush select |
| andrewcrussell | 0:83d4a20e7bc7 | 402 | |
| andrewcrussell | 0:83d4a20e7bc7 | 403 | select = (select | sela) <<1; // read the two port lines associated with the select rotary encoder |
| andrewcrussell | 0:83d4a20e7bc7 | 404 | select = (select | selb); |
| andrewcrussell | 3:f0cd7c22ca94 | 405 | |
| andrewcrussell | 3:f0cd7c22ca94 | 406 | |
| andrewcrussell | 3:f0cd7c22ca94 | 407 | switch (select) { |
| andrewcrussell | 3:f0cd7c22ca94 | 408 | case 1: // select encoder is being rotated CW so increment select_rot |
| andrewcrussell | 3:f0cd7c22ca94 | 409 | select_rot <<= 1; |
| andrewcrussell | 5:9525755f7457 | 410 | if (select_rot > 32 ) { |
| andrewcrussell | 3:f0cd7c22ca94 | 411 | select_rot = 1; // wrap around to 1 |
| andrewcrussell | 3:f0cd7c22ca94 | 412 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 413 | |
| andrewcrussell | 3:f0cd7c22ca94 | 414 | break; |
| andrewcrussell | 3:f0cd7c22ca94 | 415 | |
| andrewcrussell | 3:f0cd7c22ca94 | 416 | case 0: |
| andrewcrussell | 3:f0cd7c22ca94 | 417 | select_rot >>= 1; // encoder is being rotated CCW so decrement select_rot |
| andrewcrussell | 3:f0cd7c22ca94 | 418 | if (select_rot < 1) { |
| andrewcrussell | 5:9525755f7457 | 419 | select_rot = 32; //wrap around to 32 |
| andrewcrussell | 3:f0cd7c22ca94 | 420 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 421 | |
| andrewcrussell | 3:f0cd7c22ca94 | 422 | break; |
| andrewcrussell | 3:f0cd7c22ca94 | 423 | |
| andrewcrussell | 3:f0cd7c22ca94 | 424 | case 2: |
| andrewcrussell | 3:f0cd7c22ca94 | 425 | break; // indeterminate fall through values - ignore |
| andrewcrussell | 3:f0cd7c22ca94 | 426 | case 3: |
| andrewcrussell | 3:f0cd7c22ca94 | 427 | break; // and do not change the output |
| andrewcrussell | 3:f0cd7c22ca94 | 428 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 429 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 430 | |
| andrewcrussell | 3:f0cd7c22ca94 | 431 | select_drv = select_rot; // write the value out to the bus |
| andrewcrussell | 0:83d4a20e7bc7 | 432 | |
| andrewcrussell | 5:9525755f7457 | 433 | // printf("\n RCFLAG %d select_rot %d \r", RCFLAG, select_rot); |
| andrewcrussell | 0:83d4a20e7bc7 | 434 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 435 | |
| andrewcrussell | 0:83d4a20e7bc7 | 436 | |
| andrewcrussell | 3:f0cd7c22ca94 | 437 | |
| andrewcrussell | 3:f0cd7c22ca94 | 438 | |
| andrewcrussell | 3:f0cd7c22ca94 | 439 | /********************************* select_out *********************************/ |
| andrewcrussell | 3:f0cd7c22ca94 | 440 | // this is only used by the IR remote |
| andrewcrussell | 3:f0cd7c22ca94 | 441 | |
| andrewcrussell | 0:83d4a20e7bc7 | 442 | void select_out (void) |
| andrewcrussell | 0:83d4a20e7bc7 | 443 | { |
| andrewcrussell | 3:f0cd7c22ca94 | 444 | |
| andrewcrussell | 3:f0cd7c22ca94 | 445 | if (address == SELECT_L) { |
| andrewcrussell | 3:f0cd7c22ca94 | 446 | select_rot >>= 1; |
| andrewcrussell | 3:f0cd7c22ca94 | 447 | if (select_rot <1) { |
| andrewcrussell | 3:f0cd7c22ca94 | 448 | select_rot = 32; |
| andrewcrussell | 3:f0cd7c22ca94 | 449 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 450 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 451 | |
| andrewcrussell | 3:f0cd7c22ca94 | 452 | |
| andrewcrussell | 3:f0cd7c22ca94 | 453 | if (address == SELECT_R) { |
| andrewcrussell | 3:f0cd7c22ca94 | 454 | select_rot <<= 1; |
| andrewcrussell | 3:f0cd7c22ca94 | 455 | if (select_rot >32) { |
| andrewcrussell | 3:f0cd7c22ca94 | 456 | select_rot = 1; |
| andrewcrussell | 3:f0cd7c22ca94 | 457 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 458 | |
| andrewcrussell | 3:f0cd7c22ca94 | 459 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 460 | |
| andrewcrussell | 5:9525755f7457 | 461 | select_drv = select_rot; //write the selection out to the bus. |
| andrewcrussell | 3:f0cd7c22ca94 | 462 | |
| andrewcrussell | 3:f0cd7c22ca94 | 463 | // printf("\n select_rot = %d select_drv = %d\r", select_rot, select_drv); |
| andrewcrussell | 3:f0cd7c22ca94 | 464 | |
| andrewcrussell | 0:83d4a20e7bc7 | 465 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 466 | |
| andrewcrussell | 0:83d4a20e7bc7 | 467 | /************************************ main() ***************************************/ |
| andrewcrussell | 0:83d4a20e7bc7 | 468 | int main(void) |
| andrewcrussell | 0:83d4a20e7bc7 | 469 | { |
| andrewcrussell | 6:6aedba64f314 | 470 | // Serial pc(USBTX, USBRX); |
| andrewcrussell | 3:f0cd7c22ca94 | 471 | __disable_irq(); // just to make sure we can set up correctly without problems |
| andrewcrussell | 5:9525755f7457 | 472 | stby_pa = HIGH; // make sure the power aamp is OFF |
| andrewcrussell | 5:9525755f7457 | 473 | // make sure the power amp is OFF via the trigger output |
| andrewcrussell | 3:f0cd7c22ca94 | 474 | muteout = LOW; //make sure the outputis muted from the get go |
| andrewcrussell | 5:9525755f7457 | 475 | muteLED = HIGH; //mute LED must be ON - power up preamble |
| andrewcrussell | 3:f0cd7c22ca94 | 476 | select_drv = 0; |
| andrewcrussell | 5:9525755f7457 | 477 | // bitstream = LOW; // make sure the bitream monitor is LOW |
| andrewcrussell | 3:f0cd7c22ca94 | 478 | rc5dat.mode(PullUp); // pin 17 |
| andrewcrussell | 3:f0cd7c22ca94 | 479 | sela.mode(PullUp); // pin 28 |
| andrewcrussell | 3:f0cd7c22ca94 | 480 | selb.mode(PullUp); // pin 27 |
| andrewcrussell | 3:f0cd7c22ca94 | 481 | stdby.mode(PullUp); // pin 26 |
| andrewcrussell | 5:9525755f7457 | 482 | //recloop_in.mode(PullUp); // pin 14 |
| andrewcrussell | 3:f0cd7c22ca94 | 483 | |
| andrewcrussell | 6:6aedba64f314 | 484 | wait_us(200000); |
| andrewcrussell | 0:83d4a20e7bc7 | 485 | FLAG1 = FALSE; |
| andrewcrussell | 0:83d4a20e7bc7 | 486 | FLAG2 = FALSE; |
| andrewcrussell | 3:f0cd7c22ca94 | 487 | FWD1=0; //make sure the volume control motor is OFF |
| andrewcrussell | 0:83d4a20e7bc7 | 488 | REV1=0; |
| andrewcrussell | 0:83d4a20e7bc7 | 489 | |
| andrewcrussell | 3:f0cd7c22ca94 | 490 | // set up the ISR's that will be used |
| andrewcrussell | 3:f0cd7c22ca94 | 491 | rc5int.fall(&rc5isr); // trigger int on rising edge - go service it at rc5dat |
| andrewcrussell | 0:83d4a20e7bc7 | 492 | select_int.fall(&select_isr); // input from rotary encoder or input select |
| andrewcrussell | 0:83d4a20e7bc7 | 493 | stdby_int.fall(&stdby_isr); // the system power/standby switch |
| andrewcrussell | 0:83d4a20e7bc7 | 494 | |
| andrewcrussell | 0:83d4a20e7bc7 | 495 | //now disable them, leaving only the stand by p/button and rc5int interrupts active |
| andrewcrussell | 0:83d4a20e7bc7 | 496 | select_int.fall(NULL); |
| andrewcrussell | 0:83d4a20e7bc7 | 497 | |
| andrewcrussell | 1:bb881a434906 | 498 | standbyflag = TRUE; // preamp will be set-up first time for OFF |
| andrewcrussell | 3:f0cd7c22ca94 | 499 | standby_out(); // set system up |
| andrewcrussell | 3:f0cd7c22ca94 | 500 | standbyflag = FALSE; |
| andrewcrussell | 3:f0cd7c22ca94 | 501 | select_save = 2; |
| andrewcrussell | 3:f0cd7c22ca94 | 502 | select_rot = select_save; // CD will be selected when power is first turned on |
| andrewcrussell | 6:6aedba64f314 | 503 | wait_us(1000000); |
| andrewcrussell | 5:9525755f7457 | 504 | muteLED = LOW; |
| andrewcrussell | 5:9525755f7457 | 505 | muteflag = FALSE; |
| andrewcrussell | 0:83d4a20e7bc7 | 506 | __enable_irq(); |
| andrewcrussell | 0:83d4a20e7bc7 | 507 | |
| andrewcrussell | 3:f0cd7c22ca94 | 508 | // all ready and in standby from this point forward |
| andrewcrussell | 1:bb881a434906 | 509 | |
| andrewcrussell | 0:83d4a20e7bc7 | 510 | LOOP: // this is the main operating loop |
| andrewcrussell | 2:674e2dd56e7d | 511 | |
| andrewcrussell | 5:9525755f7457 | 512 | __WFI(); // wait here until interrupt |
| andrewcrussell | 5:9525755f7457 | 513 | |
| andrewcrussell | 0:83d4a20e7bc7 | 514 | |
| andrewcrussell | 0:83d4a20e7bc7 | 515 | if (FLAG1 == TRUE) { // FLAG1 indicates remote control was used |
| andrewcrussell | 0:83d4a20e7bc7 | 516 | save_stream(); |
| andrewcrussell | 3:f0cd7c22ca94 | 517 | process_stream(); |
| andrewcrussell | 3:f0cd7c22ca94 | 518 | |
| andrewcrussell | 0:83d4a20e7bc7 | 519 | FLAG1 = FALSE; |
| andrewcrussell | 0:83d4a20e7bc7 | 520 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 521 | |
| andrewcrussell | 0:83d4a20e7bc7 | 522 | if (FLAG2 == TRUE) { |
| andrewcrussell | 0:83d4a20e7bc7 | 523 | select_process(); //select process |
| andrewcrussell | 0:83d4a20e7bc7 | 524 | FLAG2 = FALSE; |
| andrewcrussell | 0:83d4a20e7bc7 | 525 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 526 | |
| andrewcrussell | 3:f0cd7c22ca94 | 527 | |
| andrewcrussell | 3:f0cd7c22ca94 | 528 | if (FLAG4 == TRUE) { // standby ON/OFF |
| andrewcrussell | 3:f0cd7c22ca94 | 529 | standby_out(); |
| andrewcrussell | 3:f0cd7c22ca94 | 530 | FLAG4 = FALSE; |
| andrewcrussell | 0:83d4a20e7bc7 | 531 | } |
| andrewcrussell | 3:f0cd7c22ca94 | 532 | |
| andrewcrussell | 3:f0cd7c22ca94 | 533 | |
| andrewcrussell | 0:83d4a20e7bc7 | 534 | goto LOOP; |
| andrewcrussell | 0:83d4a20e7bc7 | 535 | |
| andrewcrussell | 0:83d4a20e7bc7 | 536 | } |
| andrewcrussell | 0:83d4a20e7bc7 | 537 | |
| andrewcrussell | 0:83d4a20e7bc7 | 538 | |
| andrewcrussell | 0:83d4a20e7bc7 | 539 | |
| andrewcrussell | 2:674e2dd56e7d | 540 |