/* command host --> device */ 0x85, 0x02, /* REPORT_ID 2 */ 命令的第一个字节为 0x02 0x09, 0x06, /* USAGE (command) */ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ 0x26, 0xff, 0x00, /* LOGICAL_MINIMUM (255) */ 0x75, 0x08, /* REPORT_SIZE (8) */ 0x95, 0x04, /* REPORT_COUNT (4) */ 描述的大小为4个字节 0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */ 0x85, 0x02, /* REPORT_ID 2 */ 0x09, 0x08, /* USAGE (command) */ 0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
/* command host --> device */ 0x85, 0x06, /* REPORT_ID 6 */ 0x09, 0x06, /* USAGE (command) */ 0x15, 0x00, /* LOGICAL_MINIMUM (0) */ 0x26, 0xff, 0x00, /* LOGICAL_MINIMUM (255) */ 0x75, 0x08, /* REPORT_SIZE (8) */ 0x95, 0x08, /* REPORT_COUNT (8) */ 描述的大小为8个字节 0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */ 0x85, 0x06, /* REPORT_ID 6 */ 0x09, 0x08, /* USAGE (command) */ 0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
