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better support for hid device set/get protocol

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add caplock detection for hid_composite
This commit is contained in:
hathach
2021-07-01 22:46:39 +07:00
parent 3b539fdd8d
commit ca98996e1f
6 changed files with 115 additions and 14 deletions
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31
examples/device/hid_composite/src/main.c
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@@ -255,12 +255,30 @@ uint16_t tud_hid_get_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t
// received data on OUT endpoint ( Report ID = 0, Type = 0 )
void tud_hid_set_report_cb(uint8_t itf, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
{
// TODO set LED based on CAPLOCK, NUMLOCK etc...
(void) itf;
(void) report_id;
(void) report_type;
(void) buffer;
(void) bufsize;
if (report_type == HID_REPORT_TYPE_OUTPUT)
{
// Set keyboard LED e.g Capslock, Numlock etc...
if (report_id == REPORT_ID_KEYBOARD)
{
// bufsize should be (at least) 1
if ( bufsize < 1 ) return;
uint8_t const kbd_leds = buffer[0];
if (kbd_leds & KEYBOARD_LED_CAPSLOCK)
{
// Capslock On: disable blink, turn led on
blink_interval_ms = 0;
board_led_write(true);
}else
{
// Caplocks Off: back to normal link
blink_interval_ms = BLINK_MOUNTED;
}
}
}
}
//--------------------------------------------------------------------+
@@ -271,6 +289,9 @@ void led_blinking_task(void)
static uint32_t start_ms = 0;
static bool led_state = false;
// blink is disabled
if (!blink_interval_ms) return;
// Blink every interval ms
if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time
start_ms += blink_interval_ms;