A minor enhancement that adds an optional 'Enter' key prompt after typing passwords via USB.

src/Controllers/UtilityController.cpp

@@ -37,6 +37,12 @@ bool UtilityController::handleUsbTyping(std::string sendString) {
     display.subMessage("Send to USB", 0);
     usbService.sendString(sendString);
     ledService.clearLed();
+
+    bool submit = confirmationSelector.select("Submit?", "OK: Enter | ESC: Skip");
+    if (submit) {
+        usbService.sendKey(0xB0); // KEY_RETURN
+    }
+
     return true;
 }
 

src/Services/UsbService.cpp

@@ -32,6 +32,13 @@ void UsbService::sendString(const std::string& text) {
     }
 }
 
+void UsbService::sendKey(uint8_t key) {
+    while (millis() - initTime < 1500) {
+        delay(10);
+    }
+    keyboard.write(key);
+}
+
 bool UsbService::isReady() const {
     return initialized;
 }

src/Services/UsbService.h

@@ -13,6 +13,7 @@ class UsbService {
     void begin();
     void end();
     void sendString(const std::string& text);
+    void sendKey(uint8_t key);
     void sendChunkedString(const std::string& data, size_t chunkSize=128, unsigned long delayBetweenChunks=50);
     bool isReady() const;
     void setLayout(const uint8_t* newLayout);