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| 1 | /********************************************************************* |
1 | /********************************************************************* |
| 2 | * |
2 | * |
| 3 | * Main application |
3 | * Main application |
| 4 | * |
4 | * |
| 5 | ********************************************************************* |
5 | ********************************************************************* |
| 6 | * FileName: Main.c |
6 | * FileName: $HeadURL: https://svn.auml.se/svn/HomeAutomation/trunk/EmbeddedSoftware/PIC/canBoot/Source/Main.c $ |
| 7 | * |
- | |
| 8 | * |
7 | * Last changed: $LastChangedDate: 2006-11-14 11:44:27 +0100 (Tue, 14 Nov 2006) $ |
| 9 | * |
8 | * By: $LastChangedBy: johboh $ |
| 10 | * |
9 | * Revision: $Revision: 88 $ |
| 11 | ********************************************************************/ |
10 | ********************************************************************/ |
| 12 | // $Id: Main.c 80 2006-11-11 20:22:39Z johboh $ |
- | |
| 13 | 11 | ||
| 14 | #include <compiler.h> |
12 | #include <compiler.h> |
| 15 | #include <stackTasks.h> |
13 | #include <stackTasks.h> |
| 16 | #include <CANdefs.h> |
14 | #include <CANdefs.h> |
| 17 | #include <CAN.h> |
15 | #include <CAN.h> |
| 18 | #include <boot.h> |
16 | #include <boot.h> |
| 19 | 17 | ||
| 20 | /** V E C T O R R E M A P P I N G *******************************************/ |
18 | /** V E C T O R R E M A P P I N G *******************************************/ |
| 21 | 19 | ||
| 22 | #pragma code _HIGH_INTERRUPT_VECTOR = 0x000008 |
20 | #pragma code _HIGH_INTERRUPT_VECTOR = 0x000008 |
| 23 | void _high_ISR (void) |
21 | void _high_ISR (void) |
| 24 | { |
22 | { |
| 25 | _asm goto RM_HIGH_INTERRUPT_VECTOR _endasm |
23 | _asm goto RM_HIGH_INTERRUPT_VECTOR _endasm |
| 26 | } |
24 | } |
| 27 | 25 | ||
| 28 | #pragma code _LOW_INTERRUPT_VECTOR = 0x000018 |
26 | #pragma code _LOW_INTERRUPT_VECTOR = 0x000018 |
| 29 | void _low_ISR (void) |
27 | void _low_ISR (void) |
| 30 | { |
28 | { |
| 31 | _asm goto RM_LOW_INTERRUPT_VECTOR _endasm |
29 | _asm goto RM_LOW_INTERRUPT_VECTOR _endasm |
| 32 | } |
30 | } |
| 33 | 31 | ||
| 34 | #pragma code |
32 | #pragma code |
| 35 | 33 | ||
| 36 | 34 | ||
| 37 | #ifdef USE_CAN |
35 | #ifdef USE_CAN |
| 38 | #include <CAN.h> |
36 | #include <CAN.h> |
| 39 | #endif |
37 | #endif |
| 40 | 38 | ||
| 41 | static CAN_PROTO_MESSAGE cm; |
39 | static CAN_PROTO_MESSAGE cm; |
| 42 | static BYTE ful=0; |
40 | static BYTE ful=0; |
| 43 | static DWORD cnt =0; |
41 | static DWORD cnt =0; |
| 44 | 42 | ||
| 45 | static void mainInit(void); |
43 | static void mainInit(void); |
| 46 | static BOOL canGetPacket(void); |
44 | static BOOL canGetPacket(void); |
| 47 | void TBLWT_Func(void); |
45 | void TBLWT_Func(void); |
| 48 | void TBLWTPOSTINC_Func (void); |
46 | void TBLWTPOSTINC_Func (void); |
| 49 | void TBLRD_Func(void); |
47 | void TBLRD_Func(void); |
| Line 65... | Line 63... | ||
| 65 | 63 | ||
| 66 | static BYTE errMsg = ERR_NO_ERROR; |
64 | static BYTE errMsg = ERR_NO_ERROR; |
| 67 | static PROGRAM_STATE afterAckPgs = pgsWATING_START; |
65 | static PROGRAM_STATE afterAckPgs = pgsWATING_START; |
| 68 | static DWORD pgmAddress = 0; |
66 | static DWORD pgmAddress = 0; |
| 69 | static BYTE bytesReceived = 0; |
67 | static BYTE bytesReceived = 0; |
| 70 | 68 | ||
| 71 | DWORD tBoot; |
69 | DWORD tBoot; |
| 72 | 70 | ||
| 73 | static BYTE pgmData[64]; |
71 | static BYTE pgmData[64]; |
| 74 | 72 | ||
| 75 | static BYTE tmp; |
73 | static BYTE tmp; |
| 76 | 74 | ||
| 77 | // Inits |
75 | // Inits |
| 78 | mainInit(); |
76 | mainInit(); |
| 79 | 77 | ||
| 80 | #ifdef USE_CAN |
78 | #ifdef USE_CAN |
| 81 | canInit(); |
79 | canInit(); |
| 82 | #endif |
80 | #endif |
| 83 | 81 | ||
| 84 | tBoot = tickGet(); |
82 | tBoot = tickGet(); |
| Line 90... | Line 88... | ||
| 90 | CAN_PROTO_MESSAGE outCm; |
88 | CAN_PROTO_MESSAGE outCm; |
| 91 | BOOL hasPacket = canGetPacket(); |
89 | BOOL hasPacket = canGetPacket(); |
| 92 | 90 | ||
| 93 | tickSubCounter++; |
91 | tickSubCounter++; |
| 94 | if (tickSubCounter>TICK_SUB_COUNTER_10MS) |
92 | if (tickSubCounter>TICK_SUB_COUNTER_10MS) |
| 95 | { |
93 | { |
| 96 | tickCounter++; |
94 | tickCounter++; |
| 97 | tickSubCounter=0; |
95 | tickSubCounter=0; |
| - | 96 | ClrWdt(); |
|
| 98 | } |
97 | } |
| 99 | 98 | ||
| 100 | switch(pgs) |
99 | switch(pgs) |
| 101 | { |
100 | { |
| 102 | case pgsWATING_START: |
101 | case pgsWATING_START: |
| Line 104... | Line 103... | ||
| 104 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && cm.funcc==FUNCC_BOOT_INIT && ((((unsigned int)cm.data[RID_HIGH_INDEX])<<8)+cm.data[RID_LOW_INDEX])==MY_ID && cm.nid==MY_NID) |
103 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && cm.funcc==FUNCC_BOOT_INIT && ((((unsigned int)cm.data[RID_HIGH_INDEX])<<8)+cm.data[RID_LOW_INDEX])==MY_ID && cm.nid==MY_NID) |
| 105 | { |
104 | { |
| 106 | // Has new start packet |
105 | // Has new start packet |
| 107 | pgmAddress = (((DWORD)cm.data[ADDRU_INDEX])<<16)+(((DWORD)cm.data[ADDRH_INDEX])<<8)+((DWORD)cm.data[ADDRL_INDEX]); |
106 | pgmAddress = (((DWORD)cm.data[ADDRU_INDEX])<<16)+(((DWORD)cm.data[ADDRH_INDEX])<<8)+((DWORD)cm.data[ADDRL_INDEX]); |
| 108 | programmerSid = cm.sid; |
107 | programmerSid = cm.sid; |
| 109 | t = tickGet(); |
108 | t = tickGet(); |
| 110 | errMsg = ERR_NO_ERROR; |
109 | errMsg = ERR_NO_ERROR; |
| 111 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
110 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
| 112 | pgs = pgsSEND_ACK; |
111 | pgs = pgsSEND_ACK; |
| 113 | // save pgm adress. |
112 | // save pgm adress. |
| 114 | 113 | ||
| 115 | } |
114 | } |
| 116 | 115 | ||
| 117 | // Bootloader timeout |
116 | // Bootloader timeout |
| 118 | if ((tickGet()-tBoot)>BOOTLOADER_INIT_TIMOUT) |
117 | if ((tickGet()-tBoot)>BOOTLOADER_INIT_TIMOUT) |
| 119 | { |
118 | { |
| 120 | pgs = pgsDONE; |
119 | pgs = pgsDONE; |
| 121 | } |
120 | } |
| 122 | break; |
121 | break; |
| 123 | 122 | ||
| 124 | case pgsSEND_ACK: |
123 | case pgsSEND_ACK: |
| Line 126... | Line 125... | ||
| 126 | outCm.funct = FUNCT_BOOTLOADER; |
125 | outCm.funct = FUNCT_BOOTLOADER; |
| 127 | outCm.funcc = FUNCC_BOOT_ACK; |
126 | outCm.funcc = FUNCC_BOOT_ACK; |
| 128 | outCm.nid = MY_NID; |
127 | outCm.nid = MY_NID; |
| 129 | outCm.sid = MY_ID; |
128 | outCm.sid = MY_ID; |
| 130 | outCm.data_length = 8; |
129 | outCm.data_length = 8; |
| 131 | outCm.remote_request = FALSE; |
- | |
| 132 | outCm.data[ERR_INDEX] = errMsg; |
130 | outCm.data[ERR_INDEX] = errMsg; |
| 133 | t = tickGet(); |
131 | t = tickGet(); |
| 134 | pgs = afterAckPgs; |
132 | pgs = afterAckPgs; |
| 135 | 133 | ||
| 136 | while(!canSendMessage(outCm,PRIO_HIGH)); |
134 | while(!canSendMessage(outCm,PRIO_HIGH)); |
| Line 140... | Line 138... | ||
| 140 | case pgsWAIT_FIRST_PGM_PACKET: |
138 | case pgsWAIT_FIRST_PGM_PACKET: |
| 141 | // wait for first pgm packet. |
139 | // wait for first pgm packet. |
| 142 | if ((tickGet()-t)>PACKET_TIMEOUT) |
140 | if ((tickGet()-t)>PACKET_TIMEOUT) |
| 143 | { |
141 | { |
| 144 | // Timeout, resend ack. |
142 | // Timeout, resend ack. |
| 145 | errMsg = ERR_NO_ERROR; |
143 | errMsg = ERR_NO_ERROR; |
| 146 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
144 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
| 147 | pgs = pgsSEND_ACK; |
145 | pgs = pgsSEND_ACK; |
| 148 | } |
146 | } |
| 149 | 147 | ||
| 150 | // If programming packet... |
148 | // If programming packet... |
| 151 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && (cm.funcc & 0x3)==FUNCC_BOOT_PGM && cm.nid==MY_NID && cm.sid==programmerSid) |
149 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && (cm.funcc & 0x3)==FUNCC_BOOT_PGM && cm.nid==MY_NID && cm.sid==programmerSid) |
| 152 | { |
150 | { |
| 153 | BYTE localIndex = (BYTE)((cm.funcc & 0x1C)>>2)*8; |
151 | BYTE localIndex = (BYTE)((cm.funcc & 0x1C)>>2)*8; |
| 154 | 152 | ||
| 155 | // Save bytes in memory, setup start adress etc.. |
153 | // Save bytes in memory, setup start adress etc.. |
| 156 | bytesReceived = 8; |
154 | bytesReceived = 8; |
| 157 | pgmData[localIndex+0]=cm.data[0]; pgmData[localIndex+1]=cm.data[1]; pgmData[localIndex+2]=cm.data[2]; pgmData[localIndex+3]=cm.data[3]; |
155 | pgmData[localIndex+0]=cm.data[0]; pgmData[localIndex+1]=cm.data[1]; pgmData[localIndex+2]=cm.data[2]; pgmData[localIndex+3]=cm.data[3]; |
| 158 | pgmData[localIndex+4]=cm.data[4]; pgmData[localIndex+5]=cm.data[5]; pgmData[localIndex+6]=cm.data[6]; pgmData[localIndex+7]=cm.data[7]; |
156 | pgmData[localIndex+4]=cm.data[4]; pgmData[localIndex+5]=cm.data[5]; pgmData[localIndex+6]=cm.data[6]; pgmData[localIndex+7]=cm.data[7]; |
| 159 | 157 | ||
| 160 | pgs = pgsWAIT_PGM_PACKET; |
158 | pgs = pgsWAIT_PGM_PACKET; |
| 161 | } |
159 | } |
| 162 | 160 | ||
| 163 | 161 | ||
| 164 | break; |
162 | break; |
| 165 | 163 | ||
| 166 | 164 | ||
| 167 | case pgsWAIT_PGM_PACKET: |
165 | case pgsWAIT_PGM_PACKET: |
| 168 | 166 | ||
| 169 | 167 | ||
| 170 | // If programming packet... |
168 | // If programming packet... |
| 171 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && (cm.funcc & 0x3)==FUNCC_BOOT_PGM && cm.nid==MY_NID && cm.sid==programmerSid) |
169 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && (cm.funcc & 0x3)==FUNCC_BOOT_PGM && cm.nid==MY_NID && cm.sid==programmerSid) |
| 172 | { |
170 | { |
| 173 | BYTE localIndex = (BYTE)((cm.funcc & 0x1C)>>2)*8; |
171 | BYTE localIndex = (BYTE)((cm.funcc & 0x1C)>>2)*8; |
| 174 | // Save bytes in memory, inc received bytes. |
172 | // Save bytes in memory, inc received bytes. |
| 175 | pgmData[localIndex+0]=cm.data[0]; pgmData[localIndex+1]=cm.data[1]; pgmData[localIndex+2]=cm.data[2]; pgmData[localIndex+3]=cm.data[3]; |
173 | pgmData[localIndex+0]=cm.data[0]; pgmData[localIndex+1]=cm.data[1]; pgmData[localIndex+2]=cm.data[2]; pgmData[localIndex+3]=cm.data[3]; |
| 176 | pgmData[localIndex+4]=cm.data[4]; pgmData[localIndex+5]=cm.data[5]; pgmData[localIndex+6]=cm.data[6]; pgmData[localIndex+7]=cm.data[7]; |
174 | pgmData[localIndex+4]=cm.data[4]; pgmData[localIndex+5]=cm.data[5]; pgmData[localIndex+6]=cm.data[6]; pgmData[localIndex+7]=cm.data[7]; |
| 177 | 175 | ||
| 178 | bytesReceived += 8; |
176 | bytesReceived += 8; |
| 179 | pgs = pgsWAIT_PGM_PACKET; |
177 | pgs = pgsWAIT_PGM_PACKET; |
| 180 | } |
178 | } |
| 181 | 179 | ||
| 182 | // If adress packet (control packet).. |
180 | // If adress packet (control packet).. |
| Line 189... | Line 187... | ||
| 189 | pgs = pgsSEND_ACK; |
187 | pgs = pgsSEND_ACK; |
| 190 | } |
188 | } |
| 191 | 189 | ||
| 192 | // If end packet... |
190 | // If end packet... |
| 193 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && cm.funcc==FUNCC_BOOT_DONE && cm.nid==MY_NID && cm.sid==programmerSid) |
191 | if (hasPacket==TRUE && cm.funct==FUNCT_BOOTLOADER && cm.funcc==FUNCC_BOOT_DONE && cm.nid==MY_NID && cm.sid==programmerSid) |
| 194 | { |
192 | { |
| 195 | // write program. |
193 | // write program. |
| 196 | // If no bytes received at all, assume end. |
194 | // If no bytes received at all, assume end. |
| 197 | // If not 64 bytes received, send error ack and wait for first packet. |
195 | // If not 64 bytes received, send error ack and wait for first packet. |
| 198 | // If 64, write. |
196 | // If 64, write. |
| 199 | 197 | ||
| Line 206... | Line 204... | ||
| 206 | } |
204 | } |
| 207 | else if (bytesReceived!=64) |
205 | else if (bytesReceived!=64) |
| 208 | { |
206 | { |
| 209 | errMsg = ERR_ERROR; |
207 | errMsg = ERR_ERROR; |
| 210 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
208 | afterAckPgs = pgsWAIT_FIRST_PGM_PACKET; |
| 211 | pgs = pgsSEND_ACK; |
209 | pgs = pgsSEND_ACK; |
| 212 | } |
210 | } |
| 213 | else |
211 | else |
| 214 | { |
212 | { |
| 215 | pgs = pgsWRITE_PROGRAM; |
213 | pgs = pgsWRITE_PROGRAM; |
| 216 | afterAckPgs = pgsDONE; |
214 | afterAckPgs = pgsDONE; |
| 217 | } |
215 | } |
| 218 | } |
216 | } |
| 219 | 217 | ||
| 220 | // If bytes received 64, write.. |
218 | // If bytes received 64, write.. |
| Line 230... | Line 228... | ||
| 230 | break; |
228 | break; |
| 231 | 229 | ||
| 232 | 230 | ||
| 233 | case pgsWRITE_PROGRAM: |
231 | case pgsWRITE_PROGRAM: |
| 234 | 232 | ||
| - | 233 | ClrWdt(); |
|
| 235 | 234 | ||
| 236 | // Write program and send ack. |
235 | // Write program and send ack. |
| 237 | 236 | ||
| 238 | // Check addr limit |
237 | // Check addr limit |
| 239 | if (pgmAddress<RM_RESET_VECTOR) |
238 | if (pgmAddress<RM_RESET_VECTOR) |
| Line 345... | Line 344... | ||
| 345 | INTCON2bits.RBPU = 0; |
344 | INTCON2bits.RBPU = 0; |
| 346 | 345 | ||
| 347 | // Enable Interrupts |
346 | // Enable Interrupts |
| 348 | INTCONbits.GIEH = 1; |
347 | INTCONbits.GIEH = 1; |
| 349 | INTCONbits.GIEL = 1; |
348 | INTCONbits.GIEL = 1; |
| 350 | 349 | ||
| 351 | // Enable interrupt prirority |
350 | // Enable interrupt prirority |
| 352 | RCONbits.IPEN=1; |
351 | RCONbits.IPEN=1; |
| 353 | 352 | ||
| 354 | 353 | ||
| 355 | } |
354 | } |
| 356 | 355 | ||
| 357 | 356 | ||
| 358 | 357 | ||
| 359 | /// CAN------------------------------------------------------- |
358 | /// CAN------------------------------------------------------- |
| 360 | 359 | ||
| 361 | 360 | ||
| 362 | #ifdef USE_CAN |
361 | #ifdef USE_CAN |
| 363 | 362 | ||
| Line 403... | Line 402... | ||
| 403 | // Enableing bus wake-up |
402 | // Enableing bus wake-up |
| 404 | BRGCON3bits.WAKDIS = 0; |
403 | BRGCON3bits.WAKDIS = 0; |
| 405 | 404 | ||
| 406 | // Dont use filter when wakeup |
405 | // Dont use filter when wakeup |
| 407 | BRGCON3bits.WAKFIL = 0; |
406 | BRGCON3bits.WAKFIL = 0; |
| 408 | 407 | ||
| 409 | // Phase_Seg2 = 2 x TQ = 1 |
408 | // Phase_Seg2 = 2 x TQ = 1 |
| 410 | BRGCON3bits.SEG2PH2 = 0; |
409 | BRGCON3bits.SEG2PH2 = 0; |
| 411 | BRGCON3bits.SEG2PH1 = 0; |
410 | BRGCON3bits.SEG2PH1 = 0; |
| 412 | BRGCON3bits.SEG2PH0 = 1; |
411 | BRGCON3bits.SEG2PH0 = 1; |
| 413 | 412 | ||
| 414 | ECANCON=0; |
413 | ECANCON=0; |
| 415 | ECANCONbits.MDSEL1 = 0; |
414 | ECANCONbits.MDSEL1 = 0; |
| 416 | ECANCONbits.MDSEL0 = 1; |
415 | ECANCONbits.MDSEL0 = 1; |
| 417 | 416 | ||
| 418 | 417 | ||
| 419 | // FILTERS AND MASKS |
418 | // FILTERS AND MASKS |
| 420 | RXB0CONbits.RXM1=1; |
419 | RXB0CONbits.RXM1=1; |
| 421 | RXB0CONbits.RXM0=0; |
420 | RXB0CONbits.RXM0=0; |
| 422 | 421 | ||
| Line 469... | Line 468... | ||
| 469 | else if (B2CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10100; } |
468 | else if (B2CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10100; } |
| 470 | else if (B3CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10101; } |
469 | else if (B3CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10101; } |
| 471 | else if (B4CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10110; } |
470 | else if (B4CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10110; } |
| 472 | else if (B5CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10111; } |
471 | else if (B5CONbits.RXFUL) { ECANCON=(ECANCON&0b00000)|0b10111; } |
| 473 | else return FALSE; |
472 | else return FALSE; |
| 474 | 473 | ||
| 475 | 474 | ||
| 476 | //RXB0SIDH 28 27 26 25 24 23 22 21 |
475 | //RXB0SIDH 28 27 26 25 24 23 22 21 |
| 477 | //RXB0SIDL 20 19 18 xx xx xx 17 16 |
476 | //RXB0SIDL 20 19 18 xx xx xx 17 16 |
| 478 | //RXB0EIDH 15 14 13 12 11 10 09 08 |
477 | //RXB0EIDH 15 14 13 12 11 10 09 08 |
| 479 | //RXB0EIDL 07 06 05 04 03 02 01 00 |
478 | //RXB0EIDL 07 06 05 04 03 02 01 00 |
| 480 | 479 | ||
| 481 | //funct xx xx xx xx 28 27 26 25 |
480 | //funct xx xx xx xx 28 27 26 25 |
| 482 | //funcc xx xx xx xx xx xx 24 23 22 21 20 19 18 17 16 15 |
481 | //funcc xx xx xx xx xx xx 24 23 22 21 20 19 18 17 16 15 |
| 483 | //nid xx xx 14 13 12 11 10 09 |
482 | //nid xx xx 14 13 12 11 10 09 |
| 484 | //sid xx xx xx xx xx xx xx 08 07 06 05 04 03 02 01 00 |
483 | //sid xx xx xx xx xx xx xx 08 07 06 05 04 03 02 01 00 |
| 485 | 484 | ||
| 486 | 485 | ||
| 487 | cm.funct=((RXB0SIDH & 0xF0)>>4); |
486 | cm.funct=((RXB0SIDH & 0xF0)>>4); |
| 488 | cm.funcc=(((WORD)(RXB0SIDH & 0x0F))<<6)+(((WORD)(RXB0SIDL & 0xE0))>>2)+(((WORD)(RXB0SIDL & 0x03))<<1)+(((WORD)(RXB0EIDH & 0x80))>>7); |
487 | cm.funcc=(((WORD)(RXB0SIDH & 0x0F))<<6)+(((WORD)(RXB0SIDL & 0xE0))>>2)+(((WORD)(RXB0SIDL & 0x03))<<1)+(((WORD)(RXB0EIDH & 0x80))>>7); |
| 489 | cm.nid=((RXB0EIDH & 0x7E)>>1); |
488 | cm.nid=((RXB0EIDH & 0x7E)>>1); |
| 490 | cm.sid=(((WORD)(RXB0EIDH & 0x01))<<8)+RXB0EIDL; |
489 | cm.sid=(((WORD)(RXB0EIDH & 0x01))<<8)+RXB0EIDL; |
| 491 | 490 | ||
| 492 | 491 | ||
| 493 | // Data length |
492 | // Data length |
| 494 | cm.data_length=(RXB0DLCbits.DLC3<<3)+(RXB0DLCbits.DLC2<<2)+(RXB0DLCbits.DLC1<<1)+RXB0DLCbits.DLC0; |
493 | cm.data_length=(RXB0DLCbits.DLC3<<3)+(RXB0DLCbits.DLC2<<2)+(RXB0DLCbits.DLC1<<1)+RXB0DLCbits.DLC0; |
| 495 | 494 | ||
| 496 | // Remote request |
- | |
| 497 | cm.remote_request=(RXB0DLCbits.RXRTR==0?FALSE:TRUE); |
- | |
| 498 | - | ||
| 499 | // Data one bye one, for speed |
495 | // Data one bye one, for speed |
| 500 | cm.data[0]=RXB0D0; cm.data[1]=RXB0D1; |
496 | cm.data[0]=RXB0D0; cm.data[1]=RXB0D1; |
| 501 | cm.data[2]=RXB0D2; cm.data[3]=RXB0D3; |
497 | cm.data[2]=RXB0D2; cm.data[3]=RXB0D3; |
| 502 | cm.data[4]=RXB0D4; cm.data[5]=RXB0D5; |
498 | cm.data[4]=RXB0D4; cm.data[5]=RXB0D5; |
| 503 | cm.data[6]=RXB0D6; cm.data[7]=RXB0D7; |
499 | cm.data[6]=RXB0D6; cm.data[7]=RXB0D7; |
| Line 517... | Line 513... | ||
| 517 | * Pre-conditions: canInit |
513 | * Pre-conditions: canInit |
| 518 | * Affects: .. |
514 | * Affects: .. |
| 519 | * Depends: .. |
515 | * Depends: .. |
| 520 | */ |
516 | */ |
| 521 | BOOL canSendMessage(CAN_PROTO_MESSAGE cm,CAN_PRIORITY prio) |
517 | BOOL canSendMessage(CAN_PROTO_MESSAGE cm,CAN_PRIORITY prio) |
| 522 | { |
518 | { |
| 523 | 519 | ||
| 524 | if ( TXB0CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00011; } |
520 | if ( TXB0CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00011; } |
| 525 | if ( TXB1CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00100; } |
521 | if ( TXB1CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00100; } |
| 526 | if ( TXB2CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00101; } |
522 | if ( TXB2CONbits.TXREQ == 0 ) { ECANCON=(ECANCON&0b00000)|0b00101; } |
| 527 | // None of the transmit buffers were empty. |
523 | // None of the transmit buffers were empty. |
| 528 | else { return FALSE;} |
524 | else { return FALSE;} |
| 529 | 525 | ||
| 530 | if (prio<0 || prio>3) prio = 0; |
526 | if (prio<0 || prio>3) prio = 0; |
| 531 | 527 | ||
| 532 | 528 | ||
| 533 | //RXB0SIDH 28 27 26 25 24 23 22 21 |
529 | //RXB0SIDH 28 27 26 25 24 23 22 21 |
| 534 | //RXB0SIDL 20 19 18 xx xx xx 17 16 |
530 | //RXB0SIDL 20 19 18 xx xx xx 17 16 |
| 535 | //RXB0EIDH 15 14 13 12 11 10 09 08 |
531 | //RXB0EIDH 15 14 13 12 11 10 09 08 |
| 536 | //RXB0EIDL 07 06 05 04 03 02 01 00 |
532 | //RXB0EIDL 07 06 05 04 03 02 01 00 |
| Line 542... | Line 538... | ||
| 542 | 538 | ||
| 543 | RXB0SIDH = (BYTE)((cm.funct & 0x0F)<<4)+(BYTE)((cm.funcc & 0x03C0)>>6); |
539 | RXB0SIDH = (BYTE)((cm.funct & 0x0F)<<4)+(BYTE)((cm.funcc & 0x03C0)>>6); |
| 544 | RXB0SIDL = (BYTE)((cm.funcc & 0x003F)<<2)+(BYTE)((cm.funcc & 0x0006)>>1); |
540 | RXB0SIDL = (BYTE)((cm.funcc & 0x003F)<<2)+(BYTE)((cm.funcc & 0x0006)>>1); |
| 545 | RXB0EIDH = (BYTE)((cm.funcc & 0x0001)<<7)+(BYTE)((cm.nid & 0x3F)<<1)+(BYTE)((cm.sid & 0x0100)>>8); |
541 | RXB0EIDH = (BYTE)((cm.funcc & 0x0001)<<7)+(BYTE)((cm.nid & 0x3F)<<1)+(BYTE)((cm.sid & 0x0100)>>8); |
| 546 | RXB0EIDL = (BYTE)((cm.sid & 0x00FF)); |
542 | RXB0EIDL = (BYTE)((cm.sid & 0x00FF)); |
| 547 | 543 | ||
| 548 | // Data length |
544 | // Data length |
| 549 | RXB0DLC = 0; |
545 | RXB0DLC = 0; |
| 550 | if (cm.data_length>8) RXB0DLC=8; else RXB0DLC=cm.data_length; |
546 | if (cm.data_length>8) RXB0DLC=8; else RXB0DLC=cm.data_length; |
| 551 | 547 | ||
| 552 | // Remote request |
548 | // NOT Remote request |
| 553 | if (cm.remote_request==TRUE) |
- | |
| 554 | { |
- | |
| 555 | _asm |
- | |
| 556 | bsf RXB0DLC, 6, 0 |
- | |
| 557 | _endasm |
- | |
| 558 | } |
- | |
| 559 | else |
- | |
| 560 | { |
- | |
| 561 | _asm |
549 | _asm |
| 562 | bcf RXB0DLC, 6, 0 |
550 | bcf RXB0DLC, 6, 0 |
| 563 | _endasm |
551 | _endasm |
| 564 | } |
552 | |
| 565 | 553 | ||
| 566 | // Data one bye one, for speed |
554 | // Data one bye one, for speed |
| 567 | RXB0D0=cm.data[0]; RXB0D1=cm.data[1]; |
555 | RXB0D0=cm.data[0]; RXB0D1=cm.data[1]; |
| 568 | RXB0D2=cm.data[2]; RXB0D3=cm.data[3]; |
556 | RXB0D2=cm.data[2]; RXB0D3=cm.data[3]; |
| 569 | RXB0D4=cm.data[4]; RXB0D5=cm.data[5]; |
557 | RXB0D4=cm.data[4]; RXB0D5=cm.data[5]; |