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hid generic example echo back received

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hathach 2019-05-02 14:45:44 +07:00
parent d6a47a89f2
commit a9ef8c9e9d
1 changed files with 4 additions and 65 deletions
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69
examples/device/hid_generic_inout/src/main.c
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@ -48,7 +48,6 @@ enum {
static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
void led_blinking_task(void);
void hid_task(void);
/*------------- MAIN -------------*/
int main(void)
@ -63,10 +62,6 @@ int main(void)
tud_task();
led_blinking_task();
#if CFG_TUD_HID
hid_task();
#endif
}
return 0;
@ -107,63 +102,6 @@ void tud_resume_cb(void)
// USB HID
//--------------------------------------------------------------------+
void hid_task(void)
{
// Poll every 10ms
const uint32_t interval_ms = 10;
static uint32_t start_ms = 0;
if ( board_millis() < start_ms + interval_ms) return; // not enough time
start_ms += interval_ms;
uint32_t const btn = board_button_read();
// Remote wakeup
if ( tud_suspended() && btn )
{
// Wake up host if we are in suspend mode
// and REMOTE_WAKEUP feature is enabled by host
tud_remote_wakeup();
}
/*------------- Mouse -------------*/
if ( tud_hid_ready() )
{
if ( btn )
{
int8_t const delta = 5;
// no button, right + down, no scroll pan
tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0);
// delay a bit before attempt to send keyboard report
board_delay(2);
}
}
/*------------- Keyboard -------------*/
if ( tud_hid_ready() )
{
// use to avoid send multiple consecutive zero report for keyboard
static bool has_key = false;
if ( btn )
{
uint8_t keycode[6] = { 0 };
keycode[0] = HID_KEY_A;
tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode);
has_key = true;
}else
{
// send empty key report if previously has key pressed
if (has_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
has_key = false;
}
}
}
// Invoked when received GET_REPORT control request
// Application must fill buffer report's content and return its length.
// Return zero will cause the stack to STALL request
@ -182,11 +120,12 @@ uint16_t tud_hid_get_report_cb(uint8_t report_id, hid_report_type_t report_type,
// received data on OUT endpoint ( Report ID = 0, Type = 0 )
void tud_hid_set_report_cb(uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)
{
// TODO not Implemented
// This example doesn't use multiple report and report ID
(void) report_id;
(void) report_type;
(void) buffer;
(void) bufsize;
// echo back anything we received from host
tud_hid_report(0, buffer, bufsize);
}
//--------------------------------------------------------------------+