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add hid keyboard LED indicator stub

This commit is contained in:
hathach 2018-07-31 23:02:15 +07:00
parent 05139e2aee
commit 4bece22c92
1 changed files with 14 additions and 6 deletions
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20
ports/nrf/common-hal/usb_hid/Device.c
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@ -70,21 +70,29 @@ void common_hal_usb_hid_device_send_report(usb_hid_device_obj_t *self, uint8_t*
}
// Callbacks invoked when receive Get_Report request through control endpoint
uint16_t tud_hid_generic_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
{
uint16_t tud_hid_generic_get_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen) {
// only support Input Report
if ( report_type != HID_REPORT_TYPE_INPUT ) return 0;
// index is ID-1
uint8_t idx = ( report_id ? (report_id-1) : 0 );
// fill buffer with current report
memcpy(buffer, usb_hid_devices[report_id].report_buffer, reqlen);
memcpy(buffer, usb_hid_devices[idx].report_buffer, reqlen);
return reqlen;
}
// Callbacks invoked when receive Set_Report request through control endpoint
void tud_hid_generic_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
{
void tud_hid_generic_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize) {
// index is ID-1
uint8_t idx = ( report_id ? (report_id-1) : 0 );
if ( report_type == HID_REPORT_TYPE_OUTPUT ) {
// TODO Support Keyboard LED e.g Capslock
// Check if it is Keyboard device
if ( (usb_hid_devices[idx].usage_page == HID_USAGE_PAGE_DESKTOP) && (usb_hid_devices[idx].usage == HID_USAGE_DESKTOP_KEYBOARD) ) {
// This is LED indicator (CapsLock, NumLock)
// TODO Light up some LED here
}
}
}