Add: P1 SETR2

P1_SETR2/Core/Src/joystick.c

@@ -0,0 +1,27 @@
+/*
+ * joystick.c
+ *
+ *  Created on: Oct 6, 2025
+ *      Author: jomaa
+ */
+
+#include "joystick_driver.h"
+
+static uint8_t previous_state = GPIO_PIN_SET;
+static uint8_t virtual_button = 0;
+
+uint8_t ReadJoy(void)
+{
+	GPIO_PinState current_state = HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_13);
+
+	if (previous_state == GPIO_PIN_SET && current_state == GPIO_PIN_RESET)
+	{
+		virtual_button++;
+		if (virtual_button > 4)	virtual_button = 1;
+	}
+
+	previous_state = current_state;
+
+	if (current_state == GPIO_PIN_RESET) return virtual_button;
+	else return 0;
+}