Clear FIFO after keyboard is initialized

include/fifo.h

@@ -15,5 +15,6 @@ struct FIFO {
 void FIFO_push(volatile struct FIFO* fifo, uint8_t value);
 uint8_t FIFO_pop(volatile struct FIFO* fifo);
 int FIFO_size(volatile struct FIFO* fifo);
+void FIFO_clear(volatile struct FIFO* fifo);
 
 #endif

src/fifo.c

@@ -35,3 +35,10 @@ uint8_t FIFO_pop(volatile struct FIFO* fifo) {
 int FIFO_size(volatile struct FIFO* fifo) {
 	return fifo->size;
 }
+
+void FIFO_clear(volatile struct FIFO* fifo) {
+	fifo->head = 0;
+	fifo->tail = 0;
+	fifo->size = 0;
+	// We don't need to clear the buffer as we will override it anyway
+}

src/main.c

@@ -81,6 +81,8 @@ int main() {
 	send_keyboard_cmd(0xF3);
 	send_keyboard_cmd(0x00 | (0<<5) | (0<<4));
 
+	FIFO_clear(&buffer);
+
 	for (;;) {
 		send_keyboard_cmd_queue();