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mcp2515_consts.h
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mcp2515_consts.h
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/*
* mcp2515_consts.h
*
* Created on: Dec 13, 2020
* Author: matt
*/
#ifndef APPLICATION_USER_INC_MCP2515_CONSTS_H_
#define APPLICATION_USER_INC_MCP2515_CONSTS_H_
#include <stdint.h>
/*
* Speed 8M
*/
#define MCP_8MHz_1000kBPS_CFG1 (0x00)
#define MCP_8MHz_1000kBPS_CFG2 (0x80)
#define MCP_8MHz_1000kBPS_CFG3 (0x80)
#define MCP_8MHz_500kBPS_CFG1 (0x00)
#define MCP_8MHz_500kBPS_CFG2 (0x90)
#define MCP_8MHz_500kBPS_CFG3 (0x82)
#define MCP_8MHz_250kBPS_CFG1 (0x00)
#define MCP_8MHz_250kBPS_CFG2 (0xB1)
#define MCP_8MHz_250kBPS_CFG3 (0x85)
#define MCP_8MHz_200kBPS_CFG1 (0x00)
#define MCP_8MHz_200kBPS_CFG2 (0xB4)
#define MCP_8MHz_200kBPS_CFG3 (0x86)
#define MCP_8MHz_125kBPS_CFG1 (0x01)
#define MCP_8MHz_125kBPS_CFG2 (0xB1)
#define MCP_8MHz_125kBPS_CFG3 (0x85)
#define MCP_8MHz_100kBPS_CFG1 (0x01)
#define MCP_8MHz_100kBPS_CFG2 (0xB4)
#define MCP_8MHz_100kBPS_CFG3 (0x86)
#define MCP_8MHz_80kBPS_CFG1 (0x01)
#define MCP_8MHz_80kBPS_CFG2 (0xBF)
#define MCP_8MHz_80kBPS_CFG3 (0x87)
#define MCP_8MHz_50kBPS_CFG1 (0x03)
#define MCP_8MHz_50kBPS_CFG2 (0xB4)
#define MCP_8MHz_50kBPS_CFG3 (0x86)
#define MCP_8MHz_40kBPS_CFG1 (0x03)
#define MCP_8MHz_40kBPS_CFG2 (0xBF)
#define MCP_8MHz_40kBPS_CFG3 (0x87)
#define MCP_8MHz_33k3BPS_CFG1 (0x47)
#define MCP_8MHz_33k3BPS_CFG2 (0xE2)
#define MCP_8MHz_33k3BPS_CFG3 (0x85)
#define MCP_8MHz_31k25BPS_CFG1 (0x07)
#define MCP_8MHz_31k25BPS_CFG2 (0xA4)
#define MCP_8MHz_31k25BPS_CFG3 (0x84)
#define MCP_8MHz_20kBPS_CFG1 (0x07)
#define MCP_8MHz_20kBPS_CFG2 (0xBF)
#define MCP_8MHz_20kBPS_CFG3 (0x87)
#define MCP_8MHz_10kBPS_CFG1 (0x0F)
#define MCP_8MHz_10kBPS_CFG2 (0xBF)
#define MCP_8MHz_10kBPS_CFG3 (0x87)
#define MCP_8MHz_5kBPS_CFG1 (0x1F)
#define MCP_8MHz_5kBPS_CFG2 (0xBF)
#define MCP_8MHz_5kBPS_CFG3 (0x87)
/*
* speed 16M
*/
#define MCP_16MHz_1000kBPS_CFG1 (0x00)
#define MCP_16MHz_1000kBPS_CFG2 (0xD0)
#define MCP_16MHz_1000kBPS_CFG3 (0x82)
#define MCP_16MHz_500kBPS_CFG1 (0x00)
#define MCP_16MHz_500kBPS_CFG2 (0xF0)
#define MCP_16MHz_500kBPS_CFG3 (0x86)
#define MCP_16MHz_250kBPS_CFG1 (0x41)
#define MCP_16MHz_250kBPS_CFG2 (0xF1)
#define MCP_16MHz_250kBPS_CFG3 (0x85)
#define MCP_16MHz_200kBPS_CFG1 (0x01)
#define MCP_16MHz_200kBPS_CFG2 (0xFA)
#define MCP_16MHz_200kBPS_CFG3 (0x87)
#define MCP_16MHz_125kBPS_CFG1 (0x03)
#define MCP_16MHz_125kBPS_CFG2 (0xF0)
#define MCP_16MHz_125kBPS_CFG3 (0x86)
#define MCP_16MHz_100kBPS_CFG1 (0x03)
#define MCP_16MHz_100kBPS_CFG2 (0xFA)
#define MCP_16MHz_100kBPS_CFG3 (0x87)
#define MCP_16MHz_80kBPS_CFG1 (0x03)
#define MCP_16MHz_80kBPS_CFG2 (0xFF)
#define MCP_16MHz_80kBPS_CFG3 (0x87)
#define MCP_16MHz_83k3BPS_CFG1 (0x03)
#define MCP_16MHz_83k3BPS_CFG2 (0xBE)
#define MCP_16MHz_83k3BPS_CFG3 (0x07)
#define MCP_16MHz_50kBPS_CFG1 (0x07)
#define MCP_16MHz_50kBPS_CFG2 (0xFA)
#define MCP_16MHz_50kBPS_CFG3 (0x87)
#define MCP_16MHz_40kBPS_CFG1 (0x07)
#define MCP_16MHz_40kBPS_CFG2 (0xFF)
#define MCP_16MHz_40kBPS_CFG3 (0x87)
#define MCP_16MHz_33k3BPS_CFG1 (0x4E)
#define MCP_16MHz_33k3BPS_CFG2 (0xF1)
#define MCP_16MHz_33k3BPS_CFG3 (0x85)
#define MCP_16MHz_20kBPS_CFG1 (0x0F)
#define MCP_16MHz_20kBPS_CFG2 (0xFF)
#define MCP_16MHz_20kBPS_CFG3 (0x87)
#define MCP_16MHz_10kBPS_CFG1 (0x1F)
#define MCP_16MHz_10kBPS_CFG2 (0xFF)
#define MCP_16MHz_10kBPS_CFG3 (0x87)
#define MCP_16MHz_5kBPS_CFG1 (0x3F)
#define MCP_16MHz_5kBPS_CFG2 (0xFF)
#define MCP_16MHz_5kBPS_CFG3 (0x87)
/*
* speed 20M
*/
#define MCP_20MHz_1000kBPS_CFG1 (0x00)
#define MCP_20MHz_1000kBPS_CFG2 (0xD9)
#define MCP_20MHz_1000kBPS_CFG3 (0x82)
#define MCP_20MHz_500kBPS_CFG1 (0x00)
#define MCP_20MHz_500kBPS_CFG2 (0xFA)
#define MCP_20MHz_500kBPS_CFG3 (0x87)
#define MCP_20MHz_250kBPS_CFG1 (0x41)
#define MCP_20MHz_250kBPS_CFG2 (0xFB)
#define MCP_20MHz_250kBPS_CFG3 (0x86)
#define MCP_20MHz_200kBPS_CFG1 (0x01)
#define MCP_20MHz_200kBPS_CFG2 (0xFF)
#define MCP_20MHz_200kBPS_CFG3 (0x87)
#define MCP_20MHz_125kBPS_CFG1 (0x03)
#define MCP_20MHz_125kBPS_CFG2 (0xFA)
#define MCP_20MHz_125kBPS_CFG3 (0x87)
#define MCP_20MHz_100kBPS_CFG1 (0x04)
#define MCP_20MHz_100kBPS_CFG2 (0xFA)
#define MCP_20MHz_100kBPS_CFG3 (0x87)
#define MCP_20MHz_83k3BPS_CFG1 (0x04)
#define MCP_20MHz_83k3BPS_CFG2 (0xFE)
#define MCP_20MHz_83k3BPS_CFG3 (0x87)
#define MCP_20MHz_80kBPS_CFG1 (0x04)
#define MCP_20MHz_80kBPS_CFG2 (0xFF)
#define MCP_20MHz_80kBPS_CFG3 (0x87)
#define MCP_20MHz_50kBPS_CFG1 (0x09)
#define MCP_20MHz_50kBPS_CFG2 (0xFA)
#define MCP_20MHz_50kBPS_CFG3 (0x87)
#define MCP_20MHz_40kBPS_CFG1 (0x09)
#define MCP_20MHz_40kBPS_CFG2 (0xFF)
#define MCP_20MHz_40kBPS_CFG3 (0x87)
#define MCP_20MHz_33k3BPS_CFG1 (0x0B)
#define MCP_20MHz_33k3BPS_CFG2 (0xFF)
#define MCP_20MHz_33k3BPS_CFG3 (0x87)
typedef enum {
MCP_RXF0SIDH = 0x00,
MCP_RXF0SIDL = 0x01,
MCP_RXF0EID8 = 0x02,
MCP_RXF0EID0 = 0x03,
MCP_RXF1SIDH = 0x04,
MCP_RXF1SIDL = 0x05,
MCP_RXF1EID8 = 0x06,
MCP_RXF1EID0 = 0x07,
MCP_RXF2SIDH = 0x08,
MCP_RXF2SIDL = 0x09,
MCP_RXF2EID8 = 0x0A,
MCP_RXF2EID0 = 0x0B,
MCP_CANSTAT = 0x0E,
MCP_CANCTRL = 0x0F,
MCP_RXF3SIDH = 0x10,
MCP_RXF3SIDL = 0x11,
MCP_RXF3EID8 = 0x12,
MCP_RXF3EID0 = 0x13,
MCP_RXF4SIDH = 0x14,
MCP_RXF4SIDL = 0x15,
MCP_RXF4EID8 = 0x16,
MCP_RXF4EID0 = 0x17,
MCP_RXF5SIDH = 0x18,
MCP_RXF5SIDL = 0x19,
MCP_RXF5EID8 = 0x1A,
MCP_RXF5EID0 = 0x1B,
MCP_TEC = 0x1C,
MCP_REC = 0x1D,
MCP_RXM0SIDH = 0x20,
MCP_RXM0SIDL = 0x21,
MCP_RXM0EID8 = 0x22,
MCP_RXM0EID0 = 0x23,
MCP_RXM1SIDH = 0x24,
MCP_RXM1SIDL = 0x25,
MCP_RXM1EID8 = 0x26,
MCP_RXM1EID0 = 0x27,
MCP_CNF3 = 0x28,
MCP_CNF2 = 0x29,
MCP_CNF1 = 0x2A,
MCP_CANINTE = 0x2B,
MCP_CANINTF = 0x2C,
MCP_EFLG = 0x2D,
MCP_TXB0CTRL = 0x30,
MCP_TXB0SIDH = 0x31,
MCP_TXB0SIDL = 0x32,
MCP_TXB0EID8 = 0x33,
MCP_TXB0EID0 = 0x34,
MCP_TXB0DLC = 0x35,
MCP_TXB0DATA = 0x36,
MCP_TXB1CTRL = 0x40,
MCP_TXB1SIDH = 0x41,
MCP_TXB1SIDL = 0x42,
MCP_TXB1EID8 = 0x43,
MCP_TXB1EID0 = 0x44,
MCP_TXB1DLC = 0x45,
MCP_TXB1DATA = 0x46,
MCP_TXB2CTRL = 0x50,
MCP_TXB2SIDH = 0x51,
MCP_TXB2SIDL = 0x52,
MCP_TXB2EID8 = 0x53,
MCP_TXB2EID0 = 0x54,
MCP_TXB2DLC = 0x55,
MCP_TXB2DATA = 0x56,
MCP_RXB0CTRL = 0x60,
MCP_RXB0SIDH = 0x61,
MCP_RXB0SIDL = 0x62,
MCP_RXB0EID8 = 0x63,
MCP_RXB0EID0 = 0x64,
MCP_RXB0DLC = 0x65,
MCP_RXB0DATA = 0x66,
MCP_RXB1CTRL = 0x70,
MCP_RXB1SIDH = 0x71,
MCP_RXB1SIDL = 0x72,
MCP_RXB1EID8 = 0x73,
MCP_RXB1EID0 = 0x74,
MCP_RXB1DLC = 0x75,
MCP_RXB1DATA = 0x76
}REGISTER;
typedef enum{
INSTRUCTION_WRITE = 0x02,
INSTRUCTION_READ = 0x03,
INSTRUCTION_BITMOD = 0x05,
INSTRUCTION_LOAD_TX0 = 0x40,
INSTRUCTION_LOAD_TX1 = 0x42,
INSTRUCTION_LOAD_TX2 = 0x44,
INSTRUCTION_RTS_TX0 = 0x81,
INSTRUCTION_RTS_TX1 = 0x82,
INSTRUCTION_RTS_TX2 = 0x84,
INSTRUCTION_RTS_ALL = 0x87,
INSTRUCTION_READ_RX0 = 0x90,
INSTRUCTION_READ_RX1 = 0x94,
INSTRUCTION_READ_STATUS = 0xA0,
INSTRUCTION_RX_STATUS = 0xB0,
INSTRUCTION_RESET = 0xC0
}INSTRUCTION;
typedef enum {
CANINTF_RX0IF = 0x01,
CANINTF_RX1IF = 0x02,
CANINTF_TX0IF = 0x04,
CANINTF_TX1IF = 0x08,
CANINTF_TX2IF = 0x10,
CANINTF_ERRIF = 0x20,
CANINTF_WAKIF = 0x40,
CANINTF_MERRF = 0x80
}CANINTF;
static const uint8_t CANSTAT_OPMOD = 0xE0;
static const uint8_t CANSTAT_ICOD = 0x0E;
static const uint8_t CNF3_SOF = 0x80;
static const uint8_t TXB_EXIDE_MASK = 0x08;
static const uint8_t DLC_MASK = 0x0F;
static const uint8_t RTR_MASK = 0x40;
static const uint8_t RXBnCTRL_RXM_STD = 0x20;
static const uint8_t RXBnCTRL_RXM_EXT = 0x40;
static const uint8_t RXBnCTRL_RXM_STDEXT = 0x00;
static const uint8_t RXBnCTRL_RXM_MASK = 0x60;
static const uint8_t RXBnCTRL_RTR = 0x08;
static const uint8_t RXB0CTRL_BUKT = 0x04;
static const uint8_t RXB0CTRL_FILHIT_MASK = 0x03;
static const uint8_t RXB1CTRL_FILHIT_MASK = 0x07;
static const uint8_t RXB0CTRL_FILHIT = 0x00;
static const uint8_t RXB1CTRL_FILHIT = 0x01;
static const uint8_t MCP_SIDH = 0;
static const uint8_t MCP_SIDL = 1;
static const uint8_t MCP_EID8 = 2;
static const uint8_t MCP_EID0 = 3;
static const uint8_t MCP_DLC = 4;
static const uint8_t MCP_DATA = 5;
static const uint8_t CANCTRL_REQOP = 0xE0;
static const uint8_t CANCTRL_ABAT = 0x10;
static const uint8_t CANCTRL_OSM = 0x08;
static const uint8_t CANCTRL_CLKEN = 0x04;
static const uint8_t CANCTRL_CLKPRE = 0x03;
typedef enum {
CANCTRL_REQOP_NORMAL = 0x00,
CANCTRL_REQOP_SLEEP = 0x20,
CANCTRL_REQOP_LOOPBACK = 0x40,
CANCTRL_REQOP_LISTENONLY = 0x60,
CANCTRL_REQOP_CONFIG = 0x80,
CANCTRL_REQOP_POWERUP = 0xE0
}CANCTRL_REQOP_MODE;
static const uint8_t N_TXBUFFERS = 3;
static const uint8_t N_RXBUFFERS = 2;
struct TXBn_REGS {
REGISTER CTRL;
REGISTER SIDH;
REGISTER DATA;
} TXB[3]; //N_TXBUFFERS
struct RXBn_REGS {
REGISTER CTRL;
REGISTER SIDH;
REGISTER DATA;
CANINTF CANINTF_RXnIF;
} RXB[2]; //N_RXBUFFERS
typedef enum TXBnCTRL{
TXB_ABTF = 0x40,
TXB_MLOA = 0x20,
TXB_TXERR = 0x10,
TXB_TXREQ = 0x08,
TXB_TXIE = 0x04,
TXB_TXP = 0x03
}TXBnCTRL;
typedef enum{
STAT_RX0IF = (1<<0),
STAT_RX1IF = (1<<1)
} STAT;
static const uint8_t STAT_RXIF_MASK = STAT_RX0IF | STAT_RX1IF;
typedef enum {
EFLG_RX1OVR = (1<<7),
EFLG_RX0OVR = (1<<6),
EFLG_TXBO = (1<<5),
EFLG_TXEP = (1<<4),
EFLG_RXEP = (1<<3),
EFLG_TXWAR = (1<<2),
EFLG_RXWAR = (1<<1),
EFLG_EWARN = (1<<0)
}EFLG;
static const uint8_t EFLG_ERRORMASK = EFLG_RX1OVR
| EFLG_RX0OVR
| EFLG_TXBO
| EFLG_TXEP
| EFLG_RXEP;
typedef union{
struct{
uint8_t RXBnSIDH;
uint8_t RXBnSIDL;
uint8_t RXBnEID8;
uint8_t RXBnEID0;
uint8_t RXBnDLC;
uint8_t RXBnD0;
uint8_t RXBnD1;
uint8_t RXBnD2;
uint8_t RXBnD3;
uint8_t RXBnD4;
uint8_t RXBnD5;
uint8_t RXBnD6;
uint8_t RXBnD7;
};
uint8_t rx_reg_array[13];
}rx_reg_t;
#endif /* APPLICATION_USER_INC_MCP2515_CONSTS_H_ */