Commell MPX-2515 Instrukcja Użytkownika Pobierz pdf (Strona 29)

Commell MPX-2515 User’s Guide Rev 0100

Taiwan Commate Computer Inc.

DATA_10 Reserved

DATA_11 TXB0DLC

DATA_12 TXB0D0

DATA_13 TXB0D1

DATA_14 TXB0D2

DATA_15 TXB0D3

DATA_16 TXB0D4

DATA_17 TXB0D5

DATA_18 TXB0D6

DATA_19 TXB0D7

DATA_20 checksum

1.8.4 MCP_LOAD_TXB1SIDH

The MCP_LOAD_TXB1SIDH 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_TXB1SIDH 0X42 /* 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 0X42 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 TXB1CTRL TXB1CTRL after

transmitted

DATA_5 0X41 checksum

DATA_6 0X0D

DATA_7 TXB1SIDH

DATA_8 TXB1SIDL

DATA_9 TXB1EID8

DATA_10 TXB1EID0

DATA_11 TXB1DLC

DATA_12 TXB1D0

DATA_13 TXB1D1

DATA_14 TXB1D2

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 37 38

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