Add bool HID::ready()

Author: me-no-dev

libraries/USB/examples/CompositeDevice/CompositeDevice.ino

@@ -178,7 +178,7 @@ void setup() {
 
 void loop() {
   int buttonState = digitalRead(buttonPin);
-  if (buttonState != previousButtonState) {
+  if (HID.ready() && buttonState != previousButtonState) {
     previousButtonState = buttonState;
     if (buttonState == LOW) {
       HWSerial.println("Button Pressed");
@@ -206,6 +206,8 @@ void loop() {
     uint8_t b[l];
     l = HWSerial.read(b, l);
     USBSerial.write(b, l);
-    Vendor.write(b,l);
+    if(HID.ready()){
+      Vendor.write(b,l);
+    }
   }
 }

libraries/USB/src/USBHID.cpp

@@ -173,9 +173,6 @@ extern "C" uint16_t tusb_hid_load_descriptor(uint8_t * dst, uint8_t * itf)
         return 0;
     }
     tinyusb_hid_is_initialized = true;
-    if(!tinyusb_load_enabled_hid_devices()){
-        return 0;
-    }
 
     uint8_t str_index = tinyusb_add_string_descriptor("TinyUSB HID");
     uint8_t ep_in = tinyusb_get_free_in_endpoint();
@@ -199,6 +196,9 @@ extern "C" uint16_t tusb_hid_load_descriptor(uint8_t * dst, uint8_t * itf)
 // Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
 uint8_t const * tud_hid_descriptor_report_cb(uint8_t instance){
     log_v("instance: %u", instance);
+    if(!tinyusb_load_enabled_hid_devices()){
+        return NULL;
+    }
     return tinyusb_hid_device_descriptor;
 }
 
@@ -281,6 +281,10 @@ void USBHID::end(){
     }
 }
 
+bool USBHID::ready(void){
+    return tud_hid_n_ready(0);
+}
+
 void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint8_t len){
     if (tinyusb_hid_device_input_sem) {
         xSemaphoreGive(tinyusb_hid_device_input_sem);
@@ -298,7 +302,7 @@ bool USBHID::SendReport(uint8_t id, const void* data, size_t len, uint32_t timeo
         return false;
     }
 
-    bool res = tud_hid_n_ready(0);
+    bool res = ready();
     if(!res){
         log_e("not ready");
     } else {

libraries/USB/src/USBHID.h

@@ -69,6 +69,7 @@ class USBHID
     USBHID(void);
     void begin(void);
     void end(void);
+    bool ready(void);
     bool SendReport(uint8_t report_id, const void* data, size_t len, uint32_t timeout_ms = 100);
     void onEvent(esp_event_handler_t callback);
     void onEvent(arduino_usb_hid_event_t event, esp_event_handler_t callback);