/* mcp_can_dfs.h 2012 Copyright (c) Seeed Technology Inc. All right reserved. Author:Loovee Contributor: Cory J. Fowler 2014-1-16 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110- 1301 USA */ #ifndef _MCP2515DFS_H_ #define _MCP2515DFS_H_ #include #include #include #ifndef INT32U #define INT32U unsigned long #endif #ifndef INT8U #define INT8U byte #endif // if print debug information #define DEBUG_MODE 0 #define MCP_RXB0 0 #define MCP_RXB1 1 #define MCP_TXB0 0 #define MCP_TXB1 1 #define MCP_TXB2 2 #define MCP_RXM0 0 #define MCP_RXM1 1 #define MCP_RXF0 0 #define MCP_RXF1 1 #define MCP_RXF2 2 #define MCP_RXF3 3 #define MCP_RXF4 4 #define MCP_RXF5 5 /* * Begin mt */ #define TIMEOUTVALUE 50 #define MCP_SIDH 0 #define MCP_SIDL 1 #define MCP_EID8 2 #define MCP_EID0 3 #define MCP_TXB_EXIDE_M 0x08 /* In TXBnSIDL */ #define MCP_DLC_MASK 0x0F /* 4 LSBits */ #define MCP_RTR_MASK 0x40 /* (1<<6) Bit 6 */ #define MCP_RXB_RX_ANY 0x60 #define MCP_RXB_RX_EXT 0x40 #define MCP_RXB_RX_STD 0x20 #define MCP_RXB_RX_STDEXT 0x00 #define MCP_RXB_RX_MASK 0x60 #define MCP_RXB_BUKT_MASK (1<<2) /* ** Bits in the TXBnCTRL registers. */ #define MCP_TXB_TXBUFE_M 0x80 #define MCP_TXB_ABTF_M 0x40 #define MCP_TXB_MLOA_M 0x20 #define MCP_TXB_TXERR_M 0x10 #define MCP_TXB_TXREQ_M 0x08 #define MCP_TXB_TXIE_M 0x04 #define MCP_TXB_TXP10_M 0x03 #define MCP_TXB_RTR_M 0x40 /* In TXBnDLC */ #define MCP_RXB_IDE_M 0x08 /* In RXBnSIDL */ #define MCP_RXB_RTR_M 0x40 /* In RXBnDLC */ #define MCP_STAT_RXIF_MASK (0x03) #define MCP_STAT_RX0IF (1<<0) #define MCP_STAT_RX1IF (1<<1) #define MCP_STAT_TX0IF (1<<3) #define MCP_STAT_TX1IF (1<<5) #define MCP_STAT_TX2IF (1<<7) #define MCP_STAT_TX0REQ (1<<2) #define MCP_STAT_TX1REQ (1<<4) #define MCP_STAT_TX2REQ (1<<6) #define MCP_EFLG_RX1OVR (1<<7) #define MCP_EFLG_RX0OVR (1<<6) #define MCP_EFLG_TXBO (1<<5) #define MCP_EFLG_TXEP (1<<4) #define MCP_EFLG_RXEP (1<<3) #define MCP_EFLG_TXWAR (1<<2) #define MCP_EFLG_RXWAR (1<<1) #define MCP_EFLG_EWARN (1<<0) #define MCP_EFLG_ERRORMASK (0xF8) /* 5 MS-Bits */ /* * Define MCP2515 register addresses */ #define MCP_RXF0SIDH 0x00 #define MCP_RXF0SIDL 0x01 #define MCP_RXF0EID8 0x02 #define MCP_RXF0EID0 0x03 #define MCP_RXF1SIDH 0x04 #define MCP_RXF1SIDL 0x05 #define MCP_RXF1EID8 0x06 #define MCP_RXF1EID0 0x07 #define MCP_RXF2SIDH 0x08 #define MCP_RXF2SIDL 0x09 #define MCP_RXF2EID8 0x0A #define MCP_RXF2EID0 0x0B #define MCP_CANSTAT 0x0E #define MCP_CANCTRL 0x0F #define MCP_RXF3SIDH 0x10 #define MCP_RXF3SIDL 0x11 #define MCP_RXF3EID8 0x12 #define MCP_RXF3EID0 0x13 #define MCP_RXF4SIDH 0x14 #define MCP_RXF4SIDL 0x15 #define MCP_RXF4EID8 0x16 #define MCP_RXF4EID0 0x17 #define MCP_RXF5SIDH 0x18 #define MCP_RXF5SIDL 0x19 #define MCP_RXF5EID8 0x1A #define MCP_RXF5EID0 0x1B #define MCP_TEC 0x1C #define MCP_REC 0x1D #define MCP_RXM0SIDH 0x20 #define MCP_RXM0SIDL 0x21 #define MCP_RXM0EID8 0x22 #define MCP_RXM0EID0 0x23 #define MCP_RXM1SIDH 0x24 #define MCP_RXM1SIDL 0x25 #define MCP_RXM1EID8 0x26 #define MCP_RXM1EID0 0x27 #define MCP_CNF3 0x28 #define MCP_CNF2 0x29 #define MCP_CNF1 0x2A #define MCP_CANINTE 0x2B #define MCP_CANINTF 0x2C #define MCP_EFLG 0x2D #define MCP_TXB0CTRL 0x30 #define MCP_TXB1CTRL 0x40 #define MCP_TXB2CTRL 0x50 #define MCP_RXB0CTRL 0x60 #define MCP_RXB0SIDH 0x61 #define MCP_RXB1CTRL 0x70 #define MCP_RXB1SIDH 0x71 #define MCP_TX_INT 0x1C // Enable all transmit interrup ts #define MCP_TX01_INT 0x0C // Enable TXB0 and TXB1 interru pts #define MCP_RX_INT 0x03 // Enable receive interrupts #define MCP_NO_INT 0x00 // Disable all interrupts #define MCP_TX01_MASK 0x14 #define MCP_TX_MASK 0x54 /* * Define SPI Instruction Set */ #define MCP_WRITE 0x02 #define MCP_READ 0x03 #define MCP_BITMOD 0x05 #define MCP_LOAD_TX0 0x40 #define MCP_LOAD_TX1 0x42 #define MCP_LOAD_TX2 0x44 #define MCP_RTS_TX0 0x81 #define MCP_RTS_TX1 0x82 #define MCP_RTS_TX2 0x84 #define MCP_RTS_ALL 0x87 #define MCP_READ_RX0 0x90 #define MCP_READ_RX1 0x94 #define MCP_READ_STATUS 0xA0 #define MCP_RX_STATUS 0xB0 #define MCP_RESET 0xC0 /* * CANCTRL Register Values */ #define MODE_NORMAL 0x00 #define MODE_SLEEP 0x20 #define MODE_LOOPBACK 0x40 #define MODE_LISTENONLY 0x60 #define MODE_CONFIG 0x80 #define MODE_POWERUP 0xE0 #define MODE_MASK 0xE0 #define ABORT_TX 0x10 #define MODE_ONESHOT 0x08 #define CLKOUT_ENABLE 0x04 #define CLKOUT_DISABLE 0x00 #define CLKOUT_PS1 0x00 #define CLKOUT_PS2 0x01 #define CLKOUT_PS4 0x02 #define CLKOUT_PS8 0x03 /* * CNF1 Register Values */ #define SJW1 0x00 #define SJW2 0x40 #define SJW3 0x80 #define SJW4 0xC0 /* * CNF2 Register Values */ #define BTLMODE 0x80 #define SAMPLE_1X 0x00 #define SAMPLE_3X 0x40 /* * CNF3 Register Values */ #define SOF_ENABLE 0x80 #define SOF_DISABLE 0x00 #define WAKFIL_ENABLE 0x40 #define WAKFIL_DISABLE 0x00 /* * CANINTF Register Bits */ #define MCP_RX0IF 0x01 #define MCP_RX1IF 0x02 #define MCP_TX0IF 0x04 #define MCP_TX1IF 0x08 #define MCP_TX2IF 0x10 #define MCP_ERRIF 0x20 #define MCP_WAKIF 0x40 #define MCP_MERRF 0x80 /* * 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_100kBPS_CFG1 (0x03) #define MCP_16MHz_100kBPS_CFG2 (0xBA) #define MCP_16MHz_100kBPS_CFG3 (0x07) */ #define MCP_16MHz_95kBPS_CFG1 (0x03) #define MCP_16MHz_95kBPS_CFG2 (0xAD) #define MCP_16MHz_95kBPS_CFG3 (0x07) #define MCP_16MHz_83k3BPS_CFG1 (0x03) #define MCP_16MHz_83k3BPS_CFG2 (0xBE) #define MCP_16MHz_83k3BPS_CFG3 (0x07) #define MCP_16MHz_80kBPS_CFG1 (0x03) #define MCP_16MHz_80kBPS_CFG2 (0xFF) #define MCP_16MHz_80kBPS_CFG3 (0x87) #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_33kBPS_CFG1 (0x09) #define MCP_16MHz_33kBPS_CFG2 (0xBE) #define MCP_16MHz_33kBPS_CFG3 (0x07) #define MCP_16MHz_31k25BPS_CFG1 (0x0F) #define MCP_16MHz_31k25BPS_CFG2 (0xF1) #define MCP_16MHz_31k25BPS_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) #define MCPDEBUG (0) #define MCPDEBUG_TXBUF (0) #define MCP_N_TXBUFFERS (3) #define MCP_RXBUF_0 (MCP_RXB0SIDH) #define MCP_RXBUF_1 (MCP_RXB1SIDH) //#define SPICS 10 #define MCP2515_SELECT() digitalWrite(SPICS, LOW) #define MCP2515_UNSELECT() digitalWrite(SPICS, HIGH) #define MCP2515_OK (0) #define MCP2515_FAIL (1) #define MCP_ALLTXBUSY (2) #define CANDEBUG 1 #define CANUSELOOP 0 #define CANSENDTIMEOUT (200) /* milliseconds */ /* * initial value of gCANAutoProcess */ #define CANAUTOPROCESS (1) #define CANAUTOON (1) #define CANAUTOOFF (0) #define CAN_STDID (0) #define CAN_EXTID (1) #define CANDEFAULTIDENT (0x55CC) #define CANDEFAULTIDENTEXT (CAN_EXTID) #define CAN_5KBPS 1 #define CAN_10KBPS 2 #define CAN_20KBPS 3 #define CAN_31K25BPS 4 #define CAN_33KBPS 5 #define CAN_40KBPS 6 #define CAN_50KBPS 7 #define CAN_80KBPS 8 #define CAN_83K3BPS 9 #define CAN_95KBPS 10 #define CAN_100KBPS 11 #define CAN_125KBPS 12 #define CAN_200KBPS 13 #define CAN_250KBPS 14 #define CAN_500KBPS 15 #define CAN_1000KBPS 16 #define CAN_OK (0) #define CAN_FAILINIT (1) #define CAN_FAILTX (2) #define CAN_MSGAVAIL (3) #define CAN_NOMSG (4) #define CAN_SENDWAIT (5) #define CAN_NOSENDWAIT (6) #define CAN_CTRLERROR (7) #define CAN_GETTXBFTIMEOUT (8) #define CAN_SENDMSGTIMEOUT (9) #define CAN_FAIL (0xff) #define CAN_MAX_CHAR_IN_MESSAGE (8) #endif /********************************************************************************************************* END FILE *********************************************************************************************************/