done

source/firmware/arch/stm32f4xx/board/stm32f4-discovery/include/stm32f4-discovery.h

@@ -59,7 +59,7 @@ static const TIM_OCInitTypeDef t4_output_compare_cfg = {
 		.TIM_OCMode = TIM_OCMode_PWM1,
 		.TIM_OCPolarity = TIM_OCPolarity_High,
 		.TIM_OutputState = TIM_OutputState_Enable,
-		.TIM_Pulse = 0 // Initiale Pulsweite in Millisekunden
+		.TIM_Pulse = 0,
 };
 
 static const GPIO_InitTypeDef port_cfg = {
@@ -85,6 +85,15 @@ static const struct pwm pwm_ch4 = {
 		.fp = &stm32f4_pwm_fp,
 };
 
+#ifdef TEST_APP
+static const struct driver pwm_4 = {
+#else
+const struct driver pwm_4 = {
+#endif
+		DRIVER_TYPE_PWM,
+		&pwm_ch4,
+};
+
 // UART 1
 static char console_linear_buffer[80];
 static struct ringbuffer console_buffer = {