STM32 PWM : correct GPIO free

jeromecoutant · jeromecoutant · commit 10e0759372f1 · 2021-03-18T14:52:59.000+01:00
diff --git a/targets/TARGET_STM/pwmout_api.c b/targets/TARGET_STM/pwmout_api.c
@@ -219,8 +219,8 @@ void pwmout_init(pwmout_t *obj, PinName pin)
 
 void pwmout_free(pwmout_t *obj)
 {
-    // Configure GPIO
-    pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
+    // Configure GPIO back to reset value
+    pin_function(obj->pin, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));
 }
 
 void pwmout_write(pwmout_t *obj, float value)

Original file line number	Diff line number	Diff line change
`@@ -219,8 +219,8 @@ void pwmout_init(pwmout_t *obj, PinName pin)`
`219`	`219`
`220`	`220`	`void pwmout_free(pwmout_t *obj)`
`221`	`221`	`{`
`222`		`- // Configure GPIO`
`223`		`- pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));`
	`222`	`+ // Configure GPIO back to reset value`
	`223`	`+ pin_function(obj->pin, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));`
`224`	`224`	`}`
`225`	`225`
`226`	`226`	`void pwmout_write(pwmout_t *obj, float value)`