Commell MPX-2515 Manual do Utilizador descarregar pdf (Página 9)

Commell MPX-2515 User’s Guide Rev 0100

Taiwan Commate Computer Inc.

#define CCP_CAN_SYSTEM_SERVICE 0X20 /* command category code */

#define CAN_GET_INFO 0X01 /* sub-command code */

#define EP2 2 /* Endpoint 2 */

#define EP3 3 /* Endpoint 3 */

OFFSET BULK OUT (EP2) BULK IN (EP1)

SIZEOF_DATA 0X01 0X07

COMMAND 0X20 0X20

ERROR 0X00 Error code

DATA_0 0X01 Number of bytes return (0X06)

DATA_1 CHECKSUM VID_MSB (0XCE)

DATA_2 VID_LSB (0XCE)

DATA_3 PID_MSB (0X25)

DATA_4 PID_LSB (0X15)

DATA_5 Firmware version major

DATA_6 Firmware version minor

DATA_7 CHECKSUM

Table 4 CAN_GET_INFO Format

1.5.2 CAN_GET_TICKCOUNT

The CAN_GET_TICKCOUNT command retrieves the MPX-2515 system tick

count since the system get started. Please be noted that each tick count is 100 micro

seconds inside MPX-2515 system.

/* Each tickcount is 100 micro-second */

#define CCP_CAN_SYSTEM_SERVICE 0X20 /* command category code */

#define CAN_GET_TICKCOUNT 0X02 /* sub-command code */

#define EP2 2 /* Endpoint 2 */

#define EP3 3 /* Endpoint 3 */

OFFSET BULK OUT (EP2) BULK IN (EP1)

SIZEOF_DATA 0X01 0X06

COMMAND 0X20 0X20

ERROR 0X00 Error code

DATA_0 0X02 Number of bytes return (0X05)

DATA_1 CHECKSUM [Timestamp + 3]: LSB

DATA_2 [Timestamp + 2]

DATA_3 [Timestamp + 1]

DATA_4 [Timestamp + 0]: MSB

DATA_5 CHECKSUM

Table 5 CAN_GET_TICKCOUNT Format

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 37 38

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Commell MPX-2515 Manual do Utilizador Página 9