COMMELL MPX-2515 - Manual (Page 31)

Commell MPX-2515 User’s Guide Rev 0100
Taiwan Commate Computer Inc. 31
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1.8.6 MCP_LOAD_TXB2SIDH
The MCP_LOAD_TXB2SIDH 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_TXB2SIDH 0X44 /* 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 0X44 Number of bytes return
(0X04)
DATA_1 Overwrite flag EFLG before transmitting
DATA_2 Reserved TXB2CTRL before
transmitting
DATA_3 0X50 EFLG after transmitted
DATA_4 Value to load to TXB0CTRL TXB2CTRL after
transmitted
DATA_5 0X51 checksum
DATA_6 0X0D
DATA_7 TXB2SIDH
DATA_8 TXB2SIDL
DATA_9 TXB2EID8
DATA_10 TXB2EID0
DATA_11 TXB2DLC
DATA_12 TXB2D0
DATA_13 TXB2D1
DATA_14 TXB2D2
DATA_15 TXB2D3
DATA_16 TXB2D4
DATA_17 TXB2D5
DATA_18 TXB2D6
DATA_19 TXB2D7
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