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HID Remapper ecample - Abnormal HID report clarification #542

@Sudrien

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@Sudrien

I don't know if is a bad device, or some weird provision of HID

I have the original version of Koolertron's 46 key macro pad. Keys can be mapped to mouse or keyboard functionality.

examples/DualRole/HID/hid_remapper/hid_remapper.ino#L144

  if (len != 8) {
    Serial.printf("report len = %u NOT 8, probably something wrong !!\r\n", len, dev_addr, instance);
    Serial.print("Report data: ");
    for (int i = 0; i < len; i++) {
      Serial.printf("%02X ", report[i]);
    }
    Serial.println();
  } else {

I tested a mapped the A key and got

report len = 18 NOT 8, probably something wrong !!
Report data: 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 

Which is to say, it works as demonstrated if I patch it to

  if (len != 8 && len != 18 ) {

Could this or a similar report data log be added to the example?

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