COMMELL MPX-2515 - Manual (Page 30)

Commell MPX-2515 User’s Guide Rev 0100
Taiwan Commate Computer Inc. 30
DATA_15 TXB1D3
DATA_16 TXB1D4
DATA_17 TXB1D5
DATA_18 TXB1D6
DATA_19 TXB1D7
DATA_20 checksum
1.8.5 MCP_LOAD_TXB1D0
The MCP_LOAD_TXB0SIDH command loads the bytes in the Request Packet to
the associated MCP2515 registers in order to complete the corresponding message
transmission on the CAN bus.
#define CCP_CAN_TX_SERVICE 0X23 /* command category code */
#define MCP_LOAD_TXB1D0 0X43 /* sub-command code */
#define EP2 2 /* Endpoint 2 */
#define EP3 3 /* Endpoint 3 */
OFFSET BULK OUT (EP2) BULK IN (EP1)
SIZEOF_DATA 0X14 0X05
COMMAND 0X23 0X23
ERROR 0X00 Error code
DATA_0 0X43 Number of bytes return
(0X04)
DATA_1 Overwrite flag EFLG before transmitting
DATA_2 Reserved TXB1CTRL before
transmitting
DATA_3 0X40 EFLG after transmitted
DATA_4 Value to load to TXB0CTRL TXB1CTRL after
transmitted
DATA_5 0X46 checksum
DATA_6 0X09
DATA_7 Reserved
DATA_8 Reserved
DATA_9 Reserved
DATA_10 Reserved
DATA_11 TXB1DLC
DATA_12 TXB1D0
DATA_13 TXB1D1
DATA_14 TXB1D2
DATA_15 TXB1D3
DATA_16 TXB1D4
DATA_17 TXB1D5
DATA_18 TXB1D6
DATA_19 TXB1D7