arduino-based hid

hid/src/main.cpp

@@ -0,0 +1,38 @@
+#include <Arduino.h>
+#include <Keyboard.h>
+
+#define CMD_SERIAL Serial1
+#define SERIAL_SPEED 115200
+
+#define INLINE inline __attribute__((always_inline))
+
+
+INLINE void cmdResetHid() {
+	Keyboard.releaseAll();
+}
+
+INLINE void cmdKeyEvent() {
+	uint8_t state = Serial.read();
+	uint8_t key = Serial.read();
+	if (state) {
+		Keyboard.press(key);
+	} else {
+		Keyboard.release(key);
+	}
+}
+
+
+void setup() {
+	CMD_SERIAL.begin(SERIAL_SPEED);
+	Keyboard.begin();
+}
+
+void loop() {
+	while (true) {  // fast
+		switch (Serial.read()) {
+			case 0: cmdResetHid(); break;
+			case 1: cmdKeyEvent(); break;
+			default: break;
+		}
+	}
+}