AN2628 datasheet(23/27 Pages) STMICROELECTRONICS

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AN2628

Message object register definition

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Appendix B

Message object register definition

B.1

CCAN_drvs.h

/******************************************************************

************/

// CAN Cell Base Addresses

/******************************************************************

************/

#define CAN1

(unsigned int*)0xEF00

#define CAN2

(unsigned int*)0xEE00

/******************************************************************

************/

// CAN register Offsets

// Since these are offsets to a pointer of type (unsigned int*)

// Tasking requires that they be in WORD values, or else the

compiler doubles them

/******************************************************************

**/

#define CAN_CR

0x0000 // 0x0000 Control Register

#define CAN_SR

0x0001 // 0x0002 Status Register

#define CAN_EC

0x0002 // 0x0004 Error Counter Register

#define CAN_BTR

0x0003 // 0x0006 Bit Timing Register

#define CAN_IR

0x0004 // 0x0008 Interrupt Register

#define CAN_TR

0x0005 // 0x000A Test Register

#define CAN_BRPER

0x0006 // 0x000C BRP Extension Register

#define CAN_IF1_CR

0x0008 // 0x0010 Command Request Register

#define CAN_IF1_CM

0x0009 // 0x0012 Command Mask Register

#define CAN_IF1_M1

0x000A // 0x0014 Mask 1 Register

#define CAN_IF1_M2

0x000B // 0x0016 Mask 2 Register

#define CAN_IF1_A1

0x000C // 0x0018 Arbitration 1 Register

#define CAN_IF1_A2

0x000D // 0x001A Arbitration 2 Register

#define CAN_IF1_MC

0x000E // 0x001C Message Control Register

#define CAN_IF1_DA1

0x000F // 0x001E Data A1 Register

#define CAN_IF1_DA2

0x0010 // 0x0020 Data A2 Register

#define CAN_IF1_DB1

0x0011 // 0x0022 Data B1 Register

#define CAN_IF1_DB2

0x0012 // 0x0024 Data B2 Register

#define CAN_IF2_CR

0x0020 // 0x0040 Command Request Register

#define CAN_IF2_CM

0x0021 // 0x0042 Command Mask Register

#define CAN_IF2_M1

0x0022 // 0x0044 Mask 1 Register

#define CAN_IF2_M2

0x0023 // 0x0046 Mask 2 Register

#define CAN_IF2_A1

0x0024 // 0x0048 Arbitration 1 Register

#define CAN_IF2_A2

0x0025 // 0x004A Arbitration 2 Register

#define CAN_IF2_MC

0x0026 // 0x004C Message Control Register

#define CAN_IF2_DA1

0x0027 // 0x004E Data A1 Register

#define CAN_IF2_DA2

0x0028 // 0x0050 Data A2 Register

#define CAN_IF2_DB1

0x0029 // 0x0052 Data B1 Register

#define CAN_IF2_DB2

0x002A // 0x0054 Data B2 Register

#define CAN_TR1

0x0040 // 0x0080 Transmit Request 1 Register

#define CAN_TR2

0x0041 // 0x0082 Transmit Request 2 Register

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