COMMELL MPX-2515 - Manual (Page 9)

Commell MPX-2515 User’s Guide Rev 0100
Taiwan Commate Computer Inc. 9
#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