| 1 | Disassembly Listing for led_test |
| 2 | Generated From: |
| 3 | /home/justin/MPLABXProjects/led_test.X/dist/XC8_PIC12F1840/debug/led_test.X.debug.cof |
| 4 | 14-Jun-2013 12:31:18 |
| 5 | |
| 6 | --- /home/justin/MPLABXProjects/led_test.X/ws2811.c --------------------------------------------------- |
| 7 | 1: #include <stdint.h> |
| 8 | 2: #include <stdbool.h> |
| 9 | 3: |
| 10 | 4: #include "system.h" |
| 11 | 5: #include "user.h" |
| 12 | 6: |
| 13 | 7: #include "ws2811.h" |
| 14 | 8: |
| 15 | 9: // how many LEDs are there |
| 16 | 10: #define LED_COUNT 8 |
| 17 | 11: |
| 18 | 12: #define RGB_COUNT (LED_COUNT*3) |
| 19 | 13: |
| 20 | 14: #define SEND_ONE 0b11111000 |
| 21 | 15: #define SEND_ZERO 0b11000000 |
| 22 | 16: |
| 23 | 17: unsigned rgbdata[RGB_COUNT]; |
| 24 | 18: |
| 25 | 19: volatile uint8_t rgb_sample = 0; |
| 26 | 20: volatile int8_t rgb_byte = 0; |
| 27 | 21: volatile int8_t rgb_bit = 0; |
| 28 | 22: |
| 29 | 23: #if 0 |
| 30 | 24: /* interupt handling routine: |
| 31 | 25: * aka: send next bit |
| 32 | 26: */ |
| 33 | 27: #pragma interrupt_level 1 |
| 34 | 28: void ws2811_int(void) |
| 35 | 29: { |
| 36 | 30: //if (rgb_byte == 0) return; |
| 37 | 31: |
| 38 | 32: /* |
| 39 | 33: rgb_sample <<= 1; |
| 40 | 34: |
| 41 | 35: if ( rgb_sample & 0x80 ) |
| 42 | 36: SSP1BUF = SEND_ONE; |
| 43 | 37: else |
| 44 | 38: SSP1BUF = SEND_ZERO; |
| 45 | 39: */ |
| 46 | 40: |
| 47 | 41: asm("MOVLW 0xC0"); |
| 48 | 42: asm("RLF _rgb_sample,f"); |
| 49 | 43: //asm("BTFSC CARRY"); |
| 50 | 44: asm("BTFSC STATUS,0"); |
| 51 | 45: asm("MOVLW 0xF8"); |
| 52 | 46: asm("BANKSEL (SSP1BUF)"); |
| 53 | 47: asm("MOVWF SSP1BUF & 0x7F"); |
| 54 | 48: |
| 55 | 49: asm("DECFSZ _rgb_bit,f"); |
| 56 | 50: asm("RETURN"); |
| 57 | 51: |
| 58 | 52: /* next byte */ |
| 59 | 53: |
| 60 | 54: asm("MOVLW 8"); |
| 61 | 55: asm("MOVWF _rgb_bit"); |
| 62 | 56: asm("DECFSZ _rgb_byte"); |
| 63 | 57: asm("BRA ws2811_loadnext"); |
| 64 | 58: |
| 65 | 59: /* count is zero, were all done */ |
| 66 | 60: asm("BANKSEL (PIE1)"); |
| 67 | 61: //asm("BCF SSP1IE"); |
| 68 | 62: asm("BCF PIE1 & 0x7F,3"); |
| 69 | 63: asm("RETURN"); |
| 70 | 64: |
| 71 | 65: asm("ws2811_loadnext:"); |
| 72 | 66: if (rgb_byte) |
| 73 | 67: rgb_sample = rgbdata[rgb_byte-1]; |
| 74 | 68: else |
| 75 | 69: PIE1bits.SSP1IE = 0; |
| 76 | 70: |
| 77 | 71: } |
| 78 | 72: #endif |
| 79 | 73: |
| 80 | 74: void ws2811_start(void) |
| 81 | 75: { |
| 82 | 76: rgb_byte = RGB_COUNT; |
| 83 | 0760 3018 MOVLW 0x18 |
| 84 | 0761 00F1 MOVWF 0x71 |
| 85 | 0762 0871 MOVF 0x71, W |
| 86 | 0763 00F8 MOVWF rgb_byte |
| 87 | 77: ws2811_send(); // send the first bit |
| 88 | 0764 3180 MOVLP 0x0 |
| 89 | 0765 2000 CALL 0x0 |
| 90 | 0766 3187 MOVLP 0x7 |
| 91 | 78: } |
| 92 | 0767 0008 RETURN |
| 93 | 79: |
| 94 | 80: bool ws2811_running(void) |
| 95 | 81: { |
| 96 | 82: if (rgb_byte) return true; |
| 97 | 83: return false; |
| 98 | 84: } |
| 99 | --- /home/justin/MPLABXProjects/led_test.X/user.c ----------------------------------------------------- |
| 100 | 1: /******************************************************************************/ |
| 101 | 2: /* Files to Include */ |
| 102 | 3: /******************************************************************************/ |
| 103 | 4: |
| 104 | 5: #if defined(__XC) |
| 105 | 6: #include <xc.h> /* XC8 General Include File */ |
| 106 | 7: #elif defined(HI_TECH_C) |
| 107 | 8: #include <htc.h> /* HiTech General Include File */ |
| 108 | 9: #endif |
| 109 | 10: |
| 110 | 11: #include <stdint.h> /* For uint8_t definition */ |
| 111 | 12: #include <stdbool.h> /* For true/false definition */ |
| 112 | 13: |
| 113 | 14: #include "user.h" |
| 114 | 15: |
| 115 | 16: /******************************************************************************/ |
| 116 | 17: /* User Functions */ |
| 117 | 18: /******************************************************************************/ |
| 118 | 19: |
| 119 | 20: /* <Initialize variables in user.h and insert code for user algorithms.> */ |
| 120 | 21: |
| 121 | 22: void InitApp(void) |
| 122 | 23: { |
| 123 | 24: /* TODO Initialize User Ports/Peripherals/Project here */ |
| 124 | 25: |
| 125 | 26: /* Setup analog functionality and port direction */ |
| 126 | 27: |
| 127 | 28: /* Initialize peripherals */ |
| 128 | 29: |
| 129 | 30: /* Enable interrupts */ |
| 130 | 31: |
| 131 | 32: // SPI MASTER mode div4 t-to-h |
| 132 | 33: SSP1CON1bits.SSPEN = 1; // enable MSSP |
| 133 | 0771 0024 MOVLB 0x4 |
| 134 | 0772 1695 BSF TMR0, 0x5 |
| 135 | 34: TRISAbits.TRISA0 = 0; // SDO is RA0 |
| 136 | 0773 0021 MOVLB 0x1 |
| 137 | 0774 100C BCF PORTA, 0x0 |
| 138 | 35: ANSELAbits.ANSA0 = 0; // not analog |
| 139 | 0775 0023 MOVLB 0x3 |
| 140 | 0776 100C BCF PORTA, 0x0 |
| 141 | 36: |
| 142 | 37: // SCK (SPI Clock) is RA1 |
| 143 | 38: // SDI (SPI In) is RA2 |
| 144 | 39: APFCONbits.SDOSEL = 0; // use RA0 not RA4 for output |
| 145 | 0777 0022 MOVLB 0x2 |
| 146 | 0778 131D BCF 0x1D, 0x6 |
| 147 | 40: |
| 148 | 41: // at 8MHz Tclk 0 = 2 bits, 1 = 6 bits. |
| 149 | 42: // write to SSP1BUF |
| 150 | 43: SSP1CON1bits.SSPM = 0b0000; // SPI Master Fosc/4 |
| 151 | 0779 30F0 MOVLW 0xF0 |
| 152 | 077A 0024 MOVLB 0x4 |
| 153 | 077B 0595 ANDWF TMR0, F |
| 154 | 44: |
| 155 | 45: // enable SPI interupts |
| 156 | 46: // PIE1bits.SSP1IE = 1; // SPI interupt enable |
| 157 | 47: // INTCONbits.PEIE = 1; // peripheral int enable |
| 158 | 48: // INTCONbits.GIE = 1; // master int enable |
| 159 | 49: |
| 160 | 50: } |
| 161 | 077C 0008 RETURN |
| 162 | 51: |
| 163 | 52: |
| 164 | --- /home/justin/MPLABXProjects/led_test.X/system.c --------------------------------------------------- |
| 165 | 1: /******************************************************************************/ |
| 166 | 2: /* Files to Include */ |
| 167 | 3: /******************************************************************************/ |
| 168 | 4: |
| 169 | 5: #if defined(__XC) |
| 170 | 6: #include <xc.h> /* XC8 General Include File */ |
| 171 | 7: #elif defined(HI_TECH_C) |
| 172 | 8: #include <htc.h> /* HiTech General Include File */ |
| 173 | 9: #endif |
| 174 | 10: |
| 175 | 11: #include <stdint.h> /* For uint8_t definition */ |
| 176 | 12: #include <stdbool.h> /* For true/false definition */ |
| 177 | 13: |
| 178 | 14: #include "system.h" |
| 179 | 15: |
| 180 | 16: /* Refer to the device datasheet for information about available |
| 181 | 17: oscillator configurations and to compiler documentation for macro details. */ |
| 182 | 18: void ConfigureOscillator(void) |
| 183 | 19: { |
| 184 | 20: |
| 185 | 21: /*If the PIC12 device has an OSCCAL value, the HiTech Compiler provides |
| 186 | 22: a macro called _READ_OSCCAL_DATA which can be loaded using this: */ |
| 187 | 23: |
| 188 | 24: /* TODO Configure OSCCAL if the device has an OSCCAL register */ |
| 189 | 25: |
| 190 | 26: #if 0 |
| 191 | 27: |
| 192 | 28: OSCCAL=_READ_OSCCAL_DATA(); /* _READ_OSCCAL_DATA macro unloads cal memory */ |
| 193 | 29: |
| 194 | 30: #endif |
| 195 | 31: |
| 196 | 32: /*Not all PIC12 devices require this. |
| 197 | 33: |
| 198 | 34: /* TODO Add clock switching code if appropriate. */ |
| 199 | 35: |
| 200 | 36: /* Typical actions in this function are to tweak the oscillator tuning |
| 201 | 37: register, select new clock sources, and to wait until new clock sources |
| 202 | 38: are stable before resuming execution of the main project. */ |
| 203 | 39: |
| 204 | 40: // Enable 32MHz internal clock 5.2.2.6 |
| 205 | 41: OSCCONbits.SCS = 0b00; |
| 206 | 0768 30FC MOVLW 0xFC |
| 207 | 0769 0021 MOVLB 0x1 |
| 208 | 076A 0599 ANDWF T1GCON, F |
| 209 | 42: OSCCONbits.IRCF = 0b1110; |
| 210 | 076B 0819 MOVF T1GCON, W |
| 211 | 076C 3987 ANDLW 0x87 |
| 212 | 076D 3870 IORLW 0x70 |
| 213 | 076E 0099 MOVWF T1GCON |
| 214 | 43: OSCCONbits.SPLLEN = 1; |
| 215 | 076F 1799 BSF T1GCON, 0x7 |
| 216 | 44: |
| 217 | 45: |
| 218 | 46: } |
| 219 | 0770 0008 RETURN |
| 220 | --- /home/justin/MPLABXProjects/led_test.X/main.c ----------------------------------------------------- |
| 221 | 1: /******************************************************************************/ |
| 222 | 2: /* Files to Include */ |
| 223 | 3: /******************************************************************************/ |
| 224 | 4: |
| 225 | 5: #if defined(__XC) |
| 226 | 6: #include <xc.h> /* XC8 General Include File */ |
| 227 | 7: #elif defined(HI_TECH_C) |
| 228 | 8: #include <htc.h> /* HiTech General Include File */ |
| 229 | 9: #endif |
| 230 | 10: |
| 231 | 11: #include <stdint.h> /* For uint8_t definition */ |
| 232 | 12: #include <stdbool.h> /* For true/false definition */ |
| 233 | 13: |
| 234 | 14: #include "system.h" /* System funct/params, like osc/peripheral config */ |
| 235 | 15: #include "user.h" /* User funct/params, such as InitApp */ |
| 236 | 16: |
| 237 | 17: #include "ws2811.h" |
| 238 | 18: |
| 239 | 19: /******************************************************************************/ |
| 240 | 20: /* User Global Variable Declaration */ |
| 241 | 21: /******************************************************************************/ |
| 242 | 22: |
| 243 | 23: /* i.e. uint8_t <variable_name>; */ |
| 244 | 24: |
| 245 | 25: /******************************************************************************/ |
| 246 | 26: /* Main Program */ |
| 247 | 27: /******************************************************************************/ |
| 248 | 28: |
| 249 | 29: void main(void) |
| 250 | 30: { |
| 251 | 31: /* Configure the oscillator for the device */ |
| 252 | 32: ConfigureOscillator(); |
| 253 | 078B 3187 MOVLP 0x7 |
| 254 | 078C 2768 CALL 0x768 |
| 255 | 078D 3187 MOVLP 0x7 |
| 256 | 33: |
| 257 | 34: /* Initialize I/O and Peripherals for application */ |
| 258 | 35: InitApp(); |
| 259 | 078E 3187 MOVLP 0x7 |
| 260 | 078F 2771 CALL 0x771 |
| 261 | 0790 3187 MOVLP 0x7 |
| 262 | 36: |
| 263 | 37: for (int j=0; j<RGB_COUNT; j+=3) { |
| 264 | 0791 01F5 CLRF j |
| 265 | 0792 01F6 CLRF 0x76 |
| 266 | 0793 0876 MOVF 0x76, W |
| 267 | 0794 3A80 XORLW 0x80 |
| 268 | 0795 00FF MOVWF 0x7F |
| 269 | 0796 3080 MOVLW 0x80 |
| 270 | 0797 027F SUBWF 0x7F, W |
| 271 | 0798 1D03 BTFSS STATUS, 0x2 |
| 272 | 0799 2F9C GOTO 0x79C |
| 273 | 079A 3018 MOVLW 0x18 |
| 274 | 079B 0275 SUBWF j, W |
| 275 | 079C 1C03 BTFSS STATUS, 0x0 |
| 276 | 079D 2F9F GOTO 0x79F |
| 277 | 079E 2FA0 GOTO 0x7A0 |
| 278 | 079F 2FA2 GOTO 0x7A2 |
| 279 | 07A0 2FD2 GOTO 0x7D2 |
| 280 | 07A1 2FD2 GOTO 0x7D2 |
| 281 | 07BF 3003 MOVLW 0x3 |
| 282 | 07C0 07F5 ADDWF j, F |
| 283 | 07C1 3000 MOVLW 0x0 |
| 284 | 07C2 3DF6 ADDWFC 0x76, F |
| 285 | 07C3 0876 MOVF 0x76, W |
| 286 | 07C4 3A80 XORLW 0x80 |
| 287 | 07C5 00FF MOVWF 0x7F |
| 288 | 07C6 3080 MOVLW 0x80 |
| 289 | 07C7 027F SUBWF 0x7F, W |
| 290 | 07C8 1D03 BTFSS STATUS, 0x2 |
| 291 | 07C9 2FCC GOTO 0x7CC |
| 292 | 07CA 3018 MOVLW 0x18 |
| 293 | 07CB 0275 SUBWF j, W |
| 294 | 07CC 1C03 BTFSS STATUS, 0x0 |
| 295 | 07CD 2FCF GOTO 0x7CF |
| 296 | 07CE 2FD0 GOTO 0x7D0 |
| 297 | 07CF 2FA2 GOTO 0x7A2 |
| 298 | 07D0 2FD2 GOTO 0x7D2 |
| 299 | 07D1 2FD2 GOTO 0x7D2 |
| 300 | 38: rgbdata[j+0] = 0x20; // R |
| 301 | 07A2 0875 MOVF j, W |
| 302 | 07A3 0709 ADDWF WREG, W |
| 303 | 07A4 3E20 ADDLW 0x20 |
| 304 | 07A5 0086 MOVWF FSR1L |
| 305 | 07A6 0187 CLRF FSR1H |
| 306 | 07A7 3020 MOVLW 0x20 |
| 307 | 07A8 3FC0 MOVWI [0]FSR1 |
| 308 | 07A9 3000 MOVLW 0x0 |
| 309 | 07AA 3FC1 MOVWI [1]FSR1 |
| 310 | 39: rgbdata[j+1] = 0x20; // G |
| 311 | 07AB 0875 MOVF j, W |
| 312 | 07AC 0709 ADDWF WREG, W |
| 313 | 07AD 3E02 ADDLW 0x2 |
| 314 | 07AE 3E20 ADDLW 0x20 |
| 315 | 07AF 0086 MOVWF FSR1L |
| 316 | 07B0 0187 CLRF FSR1H |
| 317 | 07B1 3020 MOVLW 0x20 |
| 318 | 07B2 3FC0 MOVWI [0]FSR1 |
| 319 | 07B3 3000 MOVLW 0x0 |
| 320 | 07B4 3FC1 MOVWI [1]FSR1 |
| 321 | 40: rgbdata[j+2] = 0x00; // B |
| 322 | 07B5 0875 MOVF j, W |
| 323 | 07B6 0709 ADDWF WREG, W |
| 324 | 07B7 3E04 ADDLW 0x4 |
| 325 | 07B8 3E20 ADDLW 0x20 |
| 326 | 07B9 0086 MOVWF FSR1L |
| 327 | 07BA 0187 CLRF FSR1H |
| 328 | 07BB 3000 MOVLW 0x0 |
| 329 | 07BC 3FC0 MOVWI [0]FSR1 |
| 330 | 07BD 3000 MOVLW 0x0 |
| 331 | 07BE 3FC1 MOVWI [1]FSR1 |
| 332 | 41: } |
| 333 | 42: |
| 334 | 43: while(1) |
| 335 | 07FD 2FD2 GOTO 0x7D2 |
| 336 | 44: { |
| 337 | 45: ws2811_start(); |
| 338 | 07D2 3187 MOVLP 0x7 |
| 339 | 07D3 2760 CALL 0x760 |
| 340 | 07D4 3187 MOVLP 0x7 |
| 341 | 46: |
| 342 | 47: for (int j=0; j<10; j++) |
| 343 | 07D5 01F3 CLRF j_41 |
| 344 | 07D6 01F4 CLRF 0x74 |
| 345 | 07D7 0874 MOVF 0x74, W |
| 346 | 07D8 3A80 XORLW 0x80 |
| 347 | 07D9 00FF MOVWF 0x7F |
| 348 | 07DA 3080 MOVLW 0x80 |
| 349 | 07DB 027F SUBWF 0x7F, W |
| 350 | 07DC 1D03 BTFSS STATUS, 0x2 |
| 351 | 07DD 2FE0 GOTO 0x7E0 |
| 352 | 07DE 300A MOVLW 0xA |
| 353 | 07DF 0273 SUBWF j_41, W |
| 354 | 07E0 1C03 BTFSS STATUS, 0x0 |
| 355 | 07E1 2FE3 GOTO 0x7E3 |
| 356 | 07E2 2FE4 GOTO 0x7E4 |
| 357 | 07E3 2FE6 GOTO 0x7E6 |
| 358 | 07E4 2FD2 GOTO 0x7D2 |
| 359 | 07E5 2FD2 GOTO 0x7D2 |
| 360 | 07EA 3001 MOVLW 0x1 |
| 361 | 07EB 07F3 ADDWF j_41, F |
| 362 | 07EC 3000 MOVLW 0x0 |
| 363 | 07ED 3DF4 ADDWFC 0x74, F |
| 364 | 07EE 0874 MOVF 0x74, W |
| 365 | 07EF 3A80 XORLW 0x80 |
| 366 | 07F0 00FF MOVWF 0x7F |
| 367 | 07F1 3080 MOVLW 0x80 |
| 368 | 07F2 027F SUBWF 0x7F, W |
| 369 | 07F3 1D03 BTFSS STATUS, 0x2 |
| 370 | 07F4 2FF7 GOTO 0x7F7 |
| 371 | 07F5 300A MOVLW 0xA |
| 372 | 07F6 0273 SUBWF j_41, W |
| 373 | 07F7 1C03 BTFSS STATUS, 0x0 |
| 374 | 07F8 2FFA GOTO 0x7FA |
| 375 | 07F9 2FFB GOTO 0x7FB |
| 376 | 07FA 2FE6 GOTO 0x7E6 |
| 377 | 07FB 2FD2 GOTO 0x7D2 |
| 378 | 07FC 2FD2 GOTO 0x7D2 |
| 379 | 48: DelayMs(100); |
| 380 | 07E6 30B1 MOVLW 0xB1 |
| 381 | 07E7 00F2 MOVWF 0x72 |
| 382 | 07E8 0BF2 DECFSZ 0x72, F |
| 383 | 07E9 2FE8 GOTO 0x7E8 |
| 384 | 49: |
| 385 | 50: } |
| 386 | 51: } |
| 387 | 07FE 3180 MOVLP 0x0 |
| 388 | 52: |
| 389 | --- /home/justin/MPLABXProjects/led_test.X/interrupts.c ----------------------------------------------- |
| 390 | 1: /******************************************************************************/ |
| 391 | 2: /*Files to Include */ |
| 392 | 3: /******************************************************************************/ |
| 393 | 4: |
| 394 | 5: #if defined(__XC) |
| 395 | 6: #include <xc.h> /* XC8 General Include File */ |
| 396 | 7: #elif defined(HI_TECH_C) |
| 397 | 8: #include <htc.h> /* HiTech General Include File */ |
| 398 | 9: #endif |
| 399 | 10: |
| 400 | 11: #include <stdint.h> /* For uint8_t definition */ |
| 401 | 12: #include <stdbool.h> /* For true/false definition */ |
| 402 | 13: |
| 403 | 14: #include "ws2811.h" |
| 404 | 15: |
| 405 | 16: /******************************************************************************/ |
| 406 | 17: /* Interrupt Routines */ |
| 407 | 18: /******************************************************************************/ |
| 408 | 19: |
| 409 | 20: /* Baseline devices don't have interrupts. Unfortunately the baseline detection |
| 410 | 21: * macro is named _PIC12 */ |
| 411 | 22: |
| 412 | 23: |
| 413 | 24: |
| 414 | 25: void interrupt isr(void) |
| 415 | 26: { |
| 416 | 0004 3180 MOVLP 0x0 |
| 417 | 27: /* This code stub shows general interrupt handling. Note that these |
| 418 | 28: conditional statements are not handled within 3 seperate if blocks. |
| 419 | 29: Do not use a seperate if block for each interrupt flag to avoid run |
| 420 | 30: time errors. */ |
| 421 | 31: |
| 422 | 32: #if 0 |
| 423 | 33: if (PIR1bits.SSP1IF) { |
| 424 | 34: ws2811_int(); |
| 425 | 35: } |
| 426 | 36: #endif |
| 427 | 37: } |
| 428 | 0008 0870 MOVF 0x70, W |
| 429 | 38: |
| 430 | 39: |