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/* Microchip MCP2515 CAN Controller
*
* Device: PIC16F1459
* Compiler: XC8 v3.00
*
* MCP2515 FOSC = 12MHz (48MHz/4 from PIC's CLKOUT)
*
* Usage:
*
* #include <stdint.h>
* #include "types.h"
* #include "can.h"
*/
// Pin mapping
#define CAN_CS_TRIS TRISAbits.TRISA5
#define CAN_CS LATAbits.LATA5
// Bit timings (CNF1, CNF2, CNF3)
#define CAN_TIMINGS_10K 0xDE, 0xAD, 0x06 // BRP=30, PropSeg=6, PS1=6, PS2=7, SP=65%, SJW=4
#define CAN_TIMINGS_20K 0xCF, 0xAD, 0x06 // BRP=15, PropSeg=6, PS1=6, PS2=7, SP=65%, SJW=4
#define CAN_TIMINGS_50K 0xC6, 0xAD, 0x06 // BRP=6, PropSeg=6, PS1=6, PS2=7, SP=65%, SJW=4
#define CAN_TIMINGS_100K 0xC3, 0xAD, 0x06 // BRP=3, PropSeg=6, PS1=6, PS2=7, SP=65%, SJW=4
#define CAN_TIMINGS_125K 0xC4, 0x9A, 0x03 // BRP=4, PropSeg=3, PS1=4, PS2=4, SP=66.7%, SJW=4
#define CAN_TIMINGS_250K 0xC2, 0x9A, 0x03 // BRP=2, PropSeg=3, PS1=4, PS2=4, SP=66.7%, SJW=4
#define CAN_TIMINGS_500K 0xC1, 0x9A, 0x03 // BRP=1, PropSeg=3, PS1=4, PS2=4, SP=66.7, SJW=4
#define CAN_TIMINGS_800K "800kbps unsupported" // not possible with 12MHz clock
#define CAN_TIMINGS_1M "1Mbps unsupported" // not possible with 12MHz clock
void canInit(void);
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