如何使用STM32的USB库支持延迟HID的GET
\u60f3\u8bf7\u6559\u4e0bstm32 usb\u7684CDC\u548cHID\u7c7b\u7684\u56fa\u4ef6\u5e93\u53ef\u4ee5\u5728\u5b98\u7f51\u7684\u4ec0\u4e48\u4f4d\u7f6e\u4e0b\u8f7d\uff0c\u6211\u627e\u4e86\u4e00\u5929\u4e5f\u627e\u4e0d\u5230\u3002\u6211\u6709\uff0c\u53d1\u7ed9\u4f60\uff0c\u628a\u90ae\u7bb1\u7559\u4e0b
USB HID\u62a5\u544a\u53ca\u62a5\u544a\u63cf\u8ff0\u7b26\u7b80\u4ecb\u76f8\u5173\u8ba8\u8bba\uff1a
\u5728USB\u4e2d\uff0cUSB HOST\u662f\u901a\u8fc7\u5404\u79cd\u63cf\u8ff0\u7b26\u6765\u8bc6\u522b\u8bbe\u5907\u7684\uff0c\u6709\u8bbe\u5907\u63cf\u8ff0\u7b26\uff0c
\u914d\u7f6e\u63cf\u8ff0\u7b26\uff0c\u63a5\u53e3\u63cf\u8ff0\u7b26\uff0c\u7aef\u70b9\u63cf\u8ff0\u7b26\uff0c\u5b57\u7b26\u4e32\u63cf\u8ff0\u7b26\uff0c\u62a5\u544a\u63cf\u8ff0\u7b26\u7b49\u7b49\u3002
USB\u62a5\u544a\u63cf\u8ff0\u7b26(Report Descriptor)\u662fHID\u8bbe\u5907\u4e2d\u7684\u4e00\u4e2a\u63cf\u8ff0\u7b26\uff0c\u5b83\u662f\u6bd4\u8f83
\u590d\u6742\u7684\u4e00\u4e2a\u63cf\u8ff0\u7b26\u3002
USB HID\u8bbe\u5907\u662f\u901a\u8fc7\u62a5\u544a\u6765\u7ed9\u4f20\u9001\u6570\u636e\u7684\uff0c\u62a5\u544a\u6709\u8f93\u5165\u62a5\u544a\u548c\u8f93\u51fa\u62a5\u544a\u3002
\u8f93\u5165\u62a5\u544a\u662fUSB\u8bbe\u5907\u53d1\u9001\u7ed9\u4e3b\u673a\u7684\uff0c\u4f8b\u5982USB\u9f20\u6807\u5c06\u9f20\u6807\u79fb\u52a8\u548c\u9f20\u6807\u70b9\u51fb\u7b49
\u4fe1\u606f\u8fd4\u56de\u7ed9\u7535\u8111\uff0c\u952e\u76d8\u5c06\u6309\u952e\u6570\u636e\u6570\u636e\u8fd4\u56de\u7ed9\u7535\u8111\u7b49\uff1b\u8f93\u51fa\u62a5\u544a\u662f\u4e3b\u673a\u53d1\u9001
\u7ed9USB\u8bbe\u5907\u7684\uff0c\u4f8b\u5982\u952e\u76d8\u4e0a\u7684\u6570\u5b57\u952e\u76d8\u9501\u5b9a\u706f\u548c\u5927\u5199\u5b57\u6bcd\u9501\u5b9a\u706f\u7b49\u3002\u62a5\u544a\u662f
\u4e00\u4e2a\u6570\u636e\u5305\uff0c\u91cc\u9762\u5305\u542b\u7684\u662f\u6240\u8981\u4f20\u9001\u7684\u6570\u636e\u3002\u8f93\u5165\u62a5\u544a\u662f\u901a\u8fc7\u4e2d\u65ad\u8f93\u5165\u7aef\u70b9
\u8f93\u5165\u7684\uff0c\u800c\u8f93\u51fa\u62a5\u544a\u6709\u70b9\u533a\u522b\uff0c\u5f53\u6ca1\u6709\u4e2d\u65ad\u8f93\u51fa\u7aef\u70b9\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u63a7\u5236\u8f93\u51fa
\u7aef\u70b90\u53d1\u9001\uff0c\u5f53\u6709\u4e2d\u65ad\u8f93\u51fa\u7aef\u70b9\u65f6\uff0c\u901a\u8fc7\u4e2d\u65ad\u8f93\u51fa\u7aef\u70b9\u53d1\u51fa\u3002
\u800c\u62a5\u544a\u63cf\u8ff0\u7b26\uff0c\u662f\u63cf\u8ff0\u4e00\u4e2a\u62a5\u544a\u4ee5\u53ca\u62a5\u544a\u91cc\u9762\u7684\u6570\u636e\u662f\u7528\u6765\u5e72\u4ec0\u4e48\u7528\u7684\u3002
\u901a\u8fc7\u5b83\uff0cUSB HOST\u53ef\u4ee5\u5206\u6790\u51fa\u62a5\u544a\u91cc\u9762\u7684\u6570\u636e\u6240\u8868\u793a\u7684\u610f\u601d\u3002\u5b83\u901a\u8fc7\u63a7\u5236\u8f93\u5165
\u7aef\u70b90\u8fd4\u56de\uff0c\u4e3b\u673a\u4f7f\u7528\u83b7\u53d6\u62a5\u544a\u63cf\u8ff0\u7b26\u547d\u4ee4\u6765\u83b7\u53d6\u62a5\u544a\u63cf\u8ff0\u7b26\uff0c\u6ce8\u610f\u8fd9\u4e2a\u8bf7\u6c42
\u662f\u53d1\u9001\u5230\u63a5\u53e3\u7684\uff0c\u800c\u4e0d\u662f\u5230\u8bbe\u5907\u3002\u4e00\u4e2a\u62a5\u544a\u63cf\u8ff0\u7b26\u53ef\u4ee5\u63cf\u8ff0\u591a\u4e2a\u62a5\u544a\uff0c\u4e0d\u540c\u7684
\u62a5\u544a\u901a\u8fc7\u62a5\u544aID\u6765\u8bc6\u522b\uff0c\u62a5\u544aID\u5728\u62a5\u544a\u6700\u524d\u9762\uff0c\u5373\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002\u5f53\u62a5\u544a\u63cf\u8ff0\u7b26\u4e2d
\u6ca1\u6709\u89c4\u5b9a\u62a5\u544aID\u65f6\uff0c\u62a5\u544a\u4e2d\u5c31\u6ca1\u6709ID\u5b57\u6bb5\uff0c\u5f00\u59cb\u5c31\u662f\u6570\u636e\u3002\u66f4\u8be6\u7ec6\u7684\u8bf4\u660e\u8bf7\u53c2\u770b
USB HID\u534f\u8bae\uff0c\u8be5\u534f\u8bae\u53ef\u4ece\u4e0b\u8f7d\u3002
USB\u62a5\u544a\u63cf\u8ff0\u7b26\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528HID Descriptor tool\u6765\u751f\u6210\uff0c\u8fd9\u4e2a\u5de5\u5177\u53ef\u4ee5
\u5230\u4e0b\u8f7d\uff0c\u4e3a\u4e86\u65b9\u4fbf\u5927\u5bb6\uff0c\u6211\u987a\u4fbf\u4e0a\u4f20\u4e86\u4e00\u4efd\u3002
\u4e0b\u9762\u901a\u8fc7\u7531HID Descriptor tool\u751f\u6210\u7684USB\u9f20\u6807\u548cUSB\u952e\u76d8\u6765\u8bf4\u660e\u4e00\u4e0b\u62a5\u544a
\u63cf\u8ff0\u7b26\u548c\u62a5\u544a\u3002
code char KeyBoardReportDescriptor[63] = {
//\u8868\u793a\u7528\u9014\u9875\u4e3a\u901a\u7528\u684c\u9762\u8bbe\u5907
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
//\u8868\u793a\u7528\u9014\u4e3a\u952e\u76d8
0x09, 0x06, // USAGE (Keyboard)
//\u8868\u793a\u5e94\u7528\u96c6\u5408\uff0c\u5fc5\u987b\u8981\u4ee5END_COLLECTION\u6765\u7ed3\u675f\u5b83\uff0c\u89c1\u6700\u540e\u7684END_COLLECTION
0xa1, 0x01, // COLLECTION (Application)
//\u8868\u793a\u7528\u9014\u9875\u4e3a\u6309\u952e
0x05, 0x07, // USAGE_PAGE (Keyboard)
//\u7528\u9014\u6700\u5c0f\u503c\uff0c\u8fd9\u91cc\u4e3a\u5de6ctrl\u952e
0x19, 0xe0, // USAGE_MINIMUM (Keyboard LeftControl)
//\u7528\u9014\u6700\u5927\u503c\uff0c\u8fd9\u91cc\u4e3a\u53f3GUI\u952e\uff0c\u5373window\u952e
0x29, 0xe7, // USAGE_MAXIMUM (Keyboard Right GUI)
//\u903b\u8f91\u6700\u5c0f\u503c\u4e3a0
0x15, 0x00, // LOGICAL_MINIMUM (0)
//\u903b\u8f91\u6700\u5927\u503c\u4e3a1
0x25, 0x01, // LOGICAL_MAXIMUM (1)
//\u62a5\u544a\u5927\u5c0f\uff08\u5373\u8fd9\u4e2a\u5b57\u6bb5\u7684\u5bbd\u5ea6\uff09\u4e3a1bit\uff0c\u6240\u4ee5\u524d\u9762\u7684\u903b\u8f91\u6700\u5c0f\u503c\u4e3a0\uff0c\u903b\u8f91\u6700\u5927\u503c\u4e3a1
0x75, 0x01, // REPORT_SIZE (1)
//\u62a5\u544a\u7684\u4e2a\u6570\u4e3a8\uff0c\u5373\u603b\u5171\u67098\u4e2abits
0x95, 0x08, // REPORT_COUNT (8)
//\u8f93\u5165\u7528\uff0c\u53d8\u91cf\uff0c\u503c\uff0c\u7edd\u5bf9\u503c\u3002\u50cf\u952e\u76d8\u8fd9\u7c7b\u4e00\u822c\u62a5\u544a\u7edd\u5bf9\u503c\uff0c
//\u800c\u9f20\u6807\u79fb\u52a8\u8fd9\u6837\u7684\u5219\u62a5\u544a\u76f8\u5bf9\u503c\uff0c\u8868\u793a\u9f20\u6807\u79fb\u52a8\u591a\u5c11
0x81, 0x02, // INPUT (Data,Var,Abs)
//\u4e0a\u9762\u8fd9\u8fd9\u51e0\u9879\u63cf\u8ff0\u4e86\u4e00\u4e2a\u8f93\u5165\u7528\u7684\u5b57\u6bb5\uff0c\u603b\u5171\u4e3a8\u4e2abits\uff0c\u6bcf\u4e2abit\u8868\u793a\u4e00\u4e2a\u6309\u952e
//\u5206\u522b\u4ece\u5de6ctrl\u952e\u5230\u53f3GUI\u952e\u3002\u8fd98\u4e2abits\u521a\u597d\u6784\u6210\u4e00\u4e2a\u5b57\u8282\uff0c\u5b83\u4f4d\u4e8e\u62a5\u544a\u7684\u7b2c\u4e00\u4e2a\u5b57\u8282\u3002
//\u5b83\u7684\u6700\u4f4e\u4f4d\uff0c\u5373bit-0\u5bf9\u5e94\u7740\u5de6ctrl\u952e\uff0c\u5982\u679c\u8fd4\u56de\u7684\u6570\u636e\u8be5\u4f4d\u4e3a1\uff0c\u5219\u8868\u793a\u5de6ctrl\u952e\u88ab\u6309\u4e0b\uff0c
//\u5426\u5219\uff0c\u5de6ctrl\u952e\u6ca1\u6709\u6309\u4e0b\u3002\u6700\u9ad8\u4f4d\uff0c\u5373bit-7\u8868\u793a\u53f3GUI\u952e\u7684\u6309\u4e0b\u60c5\u51b5\u3002\u4e2d\u95f4\u7684\u51e0\u4e2a\u4f4d\uff0c
//\u9700\u8981\u6839\u636eHID\u534f\u8bae\u4e2d\u89c4\u5b9a\u7684\u7528\u9014\u9875\u8868\uff08HID Usage Tables\uff09\u6765\u786e\u5b9a\u3002\u8fd9\u91cc\u901a\u5e38\u7528\u6765\u8868\u793a
//\u7279\u6b8a\u952e\uff0c\u4f8b\u5982ctrl\uff0cshift\uff0cdel\u952e\u7b49
//\u8fd9\u6837\u7684\u6570\u636e\u6bb5\u4e2a\u6570\u4e3a1
0x95, 0x01, // REPORT_COUNT (1)
//\u6bcf\u4e2a\u6bb5\u957f\u5ea6\u4e3a8bits
0x75, 0x08, // REPORT_SIZE (8)
//\u8f93\u5165\u7528\uff0c\u5e38\u91cf\uff0c\u503c\uff0c\u7edd\u5bf9\u503c
0x81, 0x03, // INPUT (Cnst,Var,Abs)
//\u4e0a\u9762\u8fd98\u4e2abit\u662f\u5e38\u91cf\uff0c\u8bbe\u5907\u5fc5\u987b\u8fd4\u56de0
//\u8fd9\u6837\u7684\u6570\u636e\u6bb5\u4e2a\u6570\u4e3a5
0x95, 0x05, // REPORT_COUNT (5)
//\u6bcf\u4e2a\u6bb5\u5927\u5c0f\u4e3a1bit
0x75, 0x01, // REPORT_SIZE (1)
//\u7528\u9014\u662fLED\uff0c\u5373\u7528\u6765\u63a7\u5236\u952e\u76d8\u4e0a\u7684LED\u7528\u7684\uff0c\u56e0\u6b64\u4e0b\u9762\u4f1a\u8bf4\u660e\u5b83\u662f\u8f93\u51fa\u7528
0x05, 0x08, // USAGE_PAGE (LEDs)
//\u7528\u9014\u6700\u5c0f\u503c\u662fNum Lock\uff0c\u5373\u6570\u5b57\u952e\u9501\u5b9a\u706f
0x19, 0x01, // USAGE_MINIMUM (Num Lock)
//\u7528\u9014\u6700\u5927\u503c\u662fKana\uff0c\u8fd9\u4e2a\u662f\u4ec0\u4e48\u706f\u6211\u4e5f\u4e0d\u6e05\u695a^_^
0x29, 0x05, // USAGE_MAXIMUM (Kana)
//\u5982\u524d\u9762\u6240\u8bf4\uff0c\u8fd9\u4e2a\u5b57\u6bb5\u662f\u8f93\u51fa\u7528\u7684\uff0c\u7528\u6765\u63a7\u5236LED\u3002\u53d8\u91cf\uff0c\u503c\uff0c\u7edd\u5bf9\u503c\u3002
//1\u8868\u793a\u706f\u4eae\uff0c0\u8868\u793a\u706f\u706d
0x91, 0x02, // OUTPUT (Data,Var,Abs)
//\u8fd9\u6837\u7684\u6570\u636e\u6bb5\u4e2a\u6570\u4e3a1
0x95, 0x01, // REPORT_COUNT (1)
//\u6bcf\u4e2a\u6bb5\u5927\u5c0f\u4e3a3bits
0x75, 0x03, // REPORT_SIZE (3)
//\u8f93\u51fa\u7528\uff0c\u5e38\u91cf\uff0c\u503c\uff0c\u7edd\u5bf9
0x91, 0x03, // OUTPUT (Cnst,Var,Abs)
//\u7531\u4e8e\u8981\u6309\u5b57\u8282\u5bf9\u9f50\uff0c\u800c\u524d\u9762\u63a7\u5236LED\u7684\u53ea\u7528\u4e865\u4e2abit\uff0c
//\u6240\u4ee5\u540e\u9762\u9700\u8981\u9644\u52a03\u4e2a\u4e0d\u7528bit\uff0c\u8bbe\u7f6e\u4e3a\u5e38\u91cf\u3002
//\u62a5\u544a\u4e2a\u6570\u4e3a6
0x95, 0x06, // REPORT_COUNT (6)
//\u6bcf\u4e2a\u6bb5\u5927\u5c0f\u4e3a8bits
0x75, 0x08, // REPORT_SIZE (8)
//\u903b\u8f91\u6700\u5c0f\u503c0
0x15, 0x00, // LOGICAL_MINIMUM (0)
//\u903b\u8f91\u6700\u5927\u503c255
0x25, 0xFF, // LOGICAL_MAXIMUM (255)
//\u7528\u9014\u9875\u4e3a\u6309\u952e
0x05, 0x07, // USAGE_PAGE (Keyboard)
//\u4f7f\u7528\u6700\u5c0f\u503c\u4e3a0
0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated))
//\u4f7f\u7528\u6700\u5927\u503c\u4e3a0x65
0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application)
//\u8f93\u5165\u7528\uff0c\u53d8\u91cf\uff0c\u6570\u7ec4\uff0c\u7edd\u5bf9\u503c
0x81, 0x00, // INPUT (Data,Ary,Abs)
//\u4ee5\u4e0a\u5b9a\u4e49\u4e866\u4e2a8bit\u5bbd\u7684\u6570\u7ec4\uff0c\u6bcf\u4e2a8bit\uff08\u5373\u4e00\u4e2a\u5b57\u8282\uff09\u7528\u6765\u8868\u793a\u4e00\u4e2a\u6309\u952e\uff0c\u6240\u4ee5\u53ef\u4ee5\u540c\u65f6
//\u67096\u4e2a\u6309\u952e\u6309\u4e0b\u3002\u6ca1\u6709\u6309\u952e\u6309\u4e0b\u65f6\uff0c\u5168\u90e8\u8fd4\u56de0\u3002\u5982\u679c\u6309\u4e0b\u7684\u952e\u592a\u591a\uff0c\u5bfc\u81f4\u952e\u76d8\u626b\u63cf\u7cfb\u7edf
//\u65e0\u6cd5\u533a\u5206\u6309\u952e\u65f6\uff0c\u5219\u5168\u90e8\u8fd4\u56de0x01\uff0c\u53736\u4e2a0x01\u3002\u5982\u679c\u6709\u4e00\u4e2a\u952e\u6309\u4e0b\uff0c\u5219\u8fd96\u4e2a\u5b57\u8282\u4e2d\u7684\u7b2c\u4e00
//\u4e2a\u5b57\u8282\u4e3a\u76f8\u5e94\u7684\u952e\u503c\uff08\u5177\u4f53\u7684\u503c\u53c2\u770bHID Usage Tables\uff09\uff0c\u5982\u679c\u4e24\u4e2a\u952e\u6309\u4e0b\uff0c\u5219\u7b2c1\u30012\u4e24\u4e2a
//\u5b57\u8282\u5206\u522b\u4e3a\u76f8\u5e94\u7684\u952e\u503c\uff0c\u4ee5\u6b21\u7c7b\u63a8\u3002
//\u5173\u96c6\u5408\uff0c\u8ddf\u4e0a\u9762\u7684\u5bf9\u5e94
0xc0 // END_COLLECTION
};
\u901a\u8fc7\u4e0a\u9762\u7684\u5206\u6790\uff0c\u6211\u4eec\u77e5\u9053\u8fd9\u4e2a\u62a5\u544a\u4e2d\u53ea\u6709\u4e00\u4e2a\u62a5\u544a\uff0c\u6240\u4ee5\u6ca1\u6709\u62a5\u544aID\uff0c
\u56e0\u6b64\u8fd4\u56de\u7684\u90fd\u662f\u5b9e\u9645\u4f7f\u7528\u7684\u6570\u636e\u3002\u603b\u5171\u67098\u5b57\u8282\u8f93\u5165\uff0c1\u5b57\u8282\u8f93\u51fa\u3002\u5176\u4e2d\u8f93\u5165\u7684
\u7b2c\u4e00\u5b57\u8282\u7528\u6765\u8868\u793a\u7279\u6b8a\u6309\u952e\uff0c\u7b2c\u4e8c\u5b57\u8282\u4fdd\u7559\uff0c\u540e\u9762\u7684\u516d\u5b57\u8282\u4e3a\u666e\u901a\u6309\u952e\u3002\u5982\u679c
\u53ea\u6709\u5de6ctrl\u952e\u6309\u4e0b\uff0c\u5219\u8fd4\u56de01 00 00 00 00 00 00 00\uff08\u5341\u516d\u8fdb\u5236\uff09\uff0c\u5982\u679c
\u53ea\u6709\u6570\u5b57\u952e1 \u6309\u4e0b\uff0c\u5219\u8fd4\u56de00 00 59 00 00 00 00 00\uff0c\u5982\u679c\u6570\u5b57
\u952e1 \u548c2 \u540c\u65f6\u6309\u4e0b\uff0c\u5219\u8fd4\u56de00 00 59 5A 00 00 00 00\uff0c\u5982\u679c
\u518d\u6309\u4e0b\u5de6shift \u952e\uff0c\u5219\u8fd4\u56de02 00 59 5A 00 00 00 00\uff0c
\u7136\u540e\u518d\u91ca\u653e1 \u952e\uff0c\u5219\u8fd4\u56de02 00 5A 00 00 00 00 00\uff0c
\u7136\u540e\u5168\u90e8\u6309\u952e\u91ca\u653e\uff0c\u5219\u8fd4\u56de00 00 00 00 00 00 00 00\u3002
\u8fd9\u4e9b\u6570\u636e\uff08\u5373\u62a5\u544a\uff09\u90fd\u662f\u901a\u8fc7\u4e2d\u65ad\u7aef\u70b9\u8fd4\u56de\u7684\u3002\u5f53\u6309\u4e0bNum Lock\u952e\u65f6\uff0cPC\u4f1a\u53d1\u9001
\u8f93\u51fa\u62a5\u544a\uff0c\u4ece\u62a5\u544a\u63cf\u8ff0\u7b26\u4e2d\u6211\u4eec\u77e5\u9053\uff0cNum Lock\u7684LED\u5bf9\u5e94\u7740\u8f93\u51fa\u62a5\u544a\u7684\u6700\u4f4e\u4f4d\uff0c
\u5f53\u6570\u5b57\u5c0f\u952e\u76d8\u6253\u5f00\u65f6\uff0c\u8f93\u51faxxxxxxx1\uff08\u4e8c\u8fdb\u5236\uff0c\u6253x\u7684\u7531\u5176\u5b83\u7684LED\u72b6\u6001\u51b3\u5b9a\uff09\uff1b
\u5f53\u6570\u5b57\u5c0f\u952e\u76d8\u5173\u95ed\u65f6\uff0c\u8f93\u51faxxxxxxx0\uff08\u540c\u524d\uff09\u3002\u53d6\u51fa\u6700\u4f4e\u4f4d\u5c31\u53ef\u4ee5\u63a7\u5236\u6570\u5b57\u952e\u9501\u5b9aLED\u4e86\u3002
\u4e0b\u9762\u8fd9\u4e2a\u62a5\u544a\u63cf\u8ff0\u7b26\u662fUSB\u9f20\u6807\u62a5\u544a\u63cf\u8ff0\u7b26\uff0c\u6bd4\u8d77\u952e\u76d8\u7684\u6765\u8bf4\u8981\u7b80\u5355\u4e9b\u3002
\u5b83\u63cf\u8ff0\u4e864\u4e2a\u5b57\u8282\uff0c\u7b2c\u4e00\u4e2a\u5b57\u8282\u8868\u793a\u6309\u952e\uff0c\u7b2c\u4e8c\u4e2a\u5b57\u8282\u8868\u793ax\u8f74\uff08\u5373\u9f20\u6807\u5de6\u53f3\u79fb\u52a8\uff0c
0\u8868\u793a\u4e0d\u52a8\uff0c\u6b63\u503c\u8868\u793a\u5f80\u53f3\u79fb\uff0c\u8d1f\u503c\u8868\u793a\u5f80\u5de6\u79fb\uff09\uff0c\u7b2c\u4e09\u4e2a\u5b57\u8282\u8868\u793ay\u8f74\uff08\u5373\u9f20\u6807
\u4e0a\u4e0b\u79fb\u52a8\uff0c0\u8868\u793a\u4e0d\u52a8\uff0c\u6b63\u503c\u8868\u793a\u5f80\u4e0b\u79fb\u52a8\uff0c\u8d1f\u503c\u8868\u793a\u5f80\u4e0a\u79fb\u52a8\uff09\uff0c\u7b2c\u56db\u4e2a\u5b57\u8282
\u8868\u793a\u9f20\u6807\u6eda\u8f6e\uff08\u6b63\u503c\u4e3a\u5f80\u4e0a\u6eda\u52a8\uff0c\u8d1f\u503c\u4e3a\u5f80\u4e0b\u6eda\u52a8\uff09\u3002
code char MouseReportDescriptor[52] = {
//\u901a\u7528\u684c\u9762\u8bbe\u5907
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
//\u9f20\u6807
0x09, 0x02, // USAGE (Mouse)
//\u96c6\u5408
0xa1, 0x01, // COLLECTION (Application)
//\u6307\u9488\u8bbe\u5907
0x09, 0x01, // USAGE (Pointer)
//\u96c6\u5408
0xa1, 0x00, // COLLECTION (Physical)
//\u6309\u952e
0x05, 0x09, // USAGE_PAGE (Button)
//\u4f7f\u7528\u6700\u5c0f\u503c1
0x19, 0x01, // USAGE_MINIMUM (Button 1)
//\u4f7f\u7528\u6700\u5927\u503c3\u30021\u8868\u793a\u5de6\u952e\uff0c2\u8868\u793a\u53f3\u952e\uff0c3\u8868\u793a\u4e2d\u952e
0x29, 0x03, // USAGE_MAXIMUM (Button 3)
//\u903b\u8f91\u6700\u5c0f\u503c0
0x15, 0x00, // LOGICAL_MINIMUM (0)
//\u903b\u8f91\u6700\u5927\u503c1
0x25, 0x01, // LOGICAL_MAXIMUM (1)
//\u6570\u91cf\u4e3a3
0x95, 0x03, // REPORT_COUNT (3)
//\u5927\u5c0f\u4e3a1bit
0x75, 0x01, // REPORT_SIZE (1)
//\u8f93\u5165\uff0c\u53d8\u91cf\uff0c\u6570\u503c\uff0c\u7edd\u5bf9\u503c
//\u4ee5\u4e0a3\u4e2abit\u5206\u522b\u8868\u793a\u9f20\u6807\u7684\u4e09\u4e2a\u6309\u952e\u60c5\u51b5\uff0c\u6700\u4f4e\u4f4d\uff08bit-0\uff09\u4e3a\u5de6\u952e
//bit-1\u4e3a\u53f3\u952e\uff0cbit-2\u4e3a\u4e2d\u952e\uff0c\u6309\u4e0b\u65f6\u5bf9\u5e94\u7684\u4f4d\u503c\u4e3a1\uff0c\u91ca\u653e\u65f6\u5bf9\u5e94\u7684\u503c\u4e3a0
0x81, 0x02, // INPUT (Data,Var,Abs)
//\u586b\u51455\u4e2abit\uff0c\u8865\u8db3\u4e00\u4e2a\u5b57\u8282
0x95, 0x01, // REPORT_COUNT (1)
0x75, 0x05, // REPORT_SIZE (5)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
//\u7528\u9014\u9875\u4e3a\u901a\u7528\u684c\u9762
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
//\u7528\u9014\u4e3aX
0x09, 0x30, // USAGE (X)
//\u7528\u9014\u4e3aY
0x09, 0x31, // USAGE (Y)
//\u7528\u9014\u4e3a\u6eda\u8f6e
0x09, 0x38, // USAGE (Wheel)
//\u903b\u8f91\u6700\u5c0f\u503c\u4e3a-127
0x15, 0x81, // LOGICAL_MINIMUM (-127)
//\u903b\u8f91\u6700\u5927\u503c\u4e3a+127
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
//\u5927\u5c0f\u4e3a8\u4e2abits
0x75, 0x08, // REPORT_SIZE (8)
//\u6570\u91cf\u4e3a3\u4e2a\uff0c\u5373\u5206\u522b\u4ee3\u8868x,y,\u6eda\u8f6e
0x95, 0x03, // REPORT_COUNT (3)
//\u8f93\u5165\uff0c\u53d8\u91cf\uff0c\u503c\uff0c\u76f8\u5bf9\u503c
0x81, 0x06, // INPUT (Data,Var,Rel)
//\u5173\u96c6\u5408
0xc0, // END_COLLECTION
0xc0 // END_COLLECTION
};
\u901a\u8fc7\u5bf9\u4e0a\u9762\u7684\u62a5\u544a\u5206\u6790\uff0c\u6211\u4eec\u77e5\u9053\u62a5\u544a\u8fd4\u56de4\u4e2a\u5b57\u8282\uff0c\u6ca1\u6709\u62a5\u544aID\u3002\u5982\u679c\u9f20\u6807\u5de6\u952e\u6309\u4e0b\uff0c
\u5219\u8fd4\u56de01 00 00 00\uff08\u5341\u516d\u8fdb\u5236\u503c\uff09\uff0c\u5982\u679c\u53f3\u952e\u6309\u4e0b\uff0c\u5219\u8fd4\u56de02 00 00 00\uff0c\u5982\u679c\u4e2d\u952e\u6309\u4e0b\uff0c
\u5219\u8fd4\u56de04 00 00 00\uff0c\u5982\u679c\u4e09\u4e2a\u952e\u540c\u65f6\u6309\u4e0b\uff0c\u5219\u8fd4\u56de07 00 00 00\u3002\u5982\u679c\u9f20\u6807\u5f80\u53f3\u79fb\u52a8\u5219
\u7b2c\u4e8c\u5b57\u8282\u8fd4\u56de\u6b63\u503c\uff0c\u503c\u8d8a\u5927\u79fb\u52a8\u901f\u5ea6\u8d8a\u5feb\u3002\u5176\u5b83\u7684\u7c7b\u63a8\u3002
\u4f60\u7684\u4e32\u53f7\u6211\u5df2\u7ecf\u8bb0\u4e0b\uff0c\u91c7\u7eb3\u540e\u6211\u4f1a\u5e2e\u4f60\u5236\u4f5c
1）在usb_prop.c的函数CustomHID_Data_Setup()中，GET_PROTOCOL之后增加如下代码：
/*** GET_PROTOCOL ***/
else if ((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
&& RequestNo == GET_PROTOCOL)
{
CopyRoutine = CustomHID_GetProtocolValue;
} /* 以上代码为原有例程中的代码 */
/*** GET_REPORT ***/ /* 以下代码支持GET_REPORT */
else if((Type_Recipient == (CLASS_REQUEST | INTERFACE_RECIPIENT))
&& RequestNo == GET_REPORT)
{
CopyRoutine = CustomHID_GetReport;
}
2）再增加一个函数：
uint8_t *CustomHID_GetReport(uint16_t Length)
{
if (Length == 0)
{
return 10;
}
return &Report_Buffer[pInformation->Ctrl_Info.Usb_wOffset];
}
3）保证在IN Token到来之前，Report_Buffer中包含有效的数据。
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绛旓細1銆侀鍏堜笅杞戒唬鐮侊紝涔嬪墠蹇呴』鐢╱sb绾胯繛鎺ュソdoublepistm32涓旂數鑴戜笂瀹夎鏈塁H340椹卞姩銆2銆佸叾娆″畨瑁呭畬姣曞嵆鍙浣跨敤婧愪唬鐮佷负hex鐨勬枃浠剁紪绋嬨3銆佹渶鍚庨夋嫨浠ｇ爜杩涜涓嬭浇銆
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