8000 RawHID Feature Report not working due to missing Feature Report in the HID Report Descriptor · Issue #418 · NicoHood/HID · GitHub
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RawHID Feature Report not working due to missing Feature Report in the HID Report Descriptor #418

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mcuee opened this issue Jun 1, 2023 · 0 comments
Open

RawHID Feature Report not working due to missing Feature Report in the HID Report Descriptor #418

mcuee opened this issue Jun 1, 2023 · 0 comments

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@mcuee
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mcuee commented Jun 1, 2023

Reference:
todbot/hidapitester#20

Minor change is needed for the HID Report Descriptor to add Feature Report
https://github.com/NicoHood/HID/blob/master/src/SingleReport/RawHID.cpp

static const uint8_t  _hidReportDescriptorRawHID[] PROGMEM = {
	/*    RAW HID */
    0x06, lowByte(RAWHID_USAGE_PAGE), highByte(RAWHID_USAGE_PAGE),      /* 30 */
    0x0A, lowByte(RAWHID_USAGE), highByte(RAWHID_USAGE),

    0xA1, 0x01,                  /* Collection 0x01 */
    // RawHID is not multireport compatible.
    // On Linux it might work with some modifications,
    // however you are not happy to use it like that.
    //0x85, HID_REPORTID_RAWHID,			 /* REPORT_ID */
    0x75, 0x08,                  /* report size = 8 bits */
    0x15, 0x00,                  /* logical minimum = 0 */
    0x26, 0xFF, 0x00,            /* logical maximum = 255 */

    0x95, RAWHID_TX_SIZE,        /* report count TX */
    0x09, 0x01,                  /* usage */
    0x81, 0x02,                  /* Input (array) */

    0x95, RAWHID_RX_SIZE,        /* report count RX */
    0x09, 0x02,                  /* usage */
    0x91, 0x02,                  /* Output (array) */
	
    0x95, RAWHID_RX_SIZE,        /* report count RX */
    0x09, 0x02,                  /* usage */
    0xB1, 0x02,                  /* Feature (array) */
    0xC0                         /* end collection */ 
};
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