hid generic example echo back received

1 files changed, 4 insertions, 65 deletions

diff --git a/examples/device/hid_generic_inout/src/main.c b/examples/device/hid_generic_inout/src/main.c
index abe315237..04188b038 100644
--- a/examples/device/hid_generic_inout/src/main.c
+++ b/examples/device/hid_generic_inout/src/main.c
@@ -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);
 }
 
 //--------------------------------------------------------------------+