X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_exti_stm.c;h=c1dcdf85303a84f0a7541023f7bca684fdaba037;hb=54f7888dc65ffc27c6ee5ef93953bd9b8fc029ed;hp=1361d0d4a8cb6caf0a41b3522c9ae49c53c71cf5;hpb=b635cb26ba54c8f5c6a958e0ab0bc4d34d33b635;p=fw%2Faltos

diff --git a/src/stm/ao_exti_stm.c b/src/stm/ao_exti_stm.c
index 1361d0d4..c1dcdf85 100644
--- a/src/stm/ao_exti_stm.c
+++ b/src/stm/ao_exti_stm.c
@@ -70,21 +70,23 @@ ao_exti_setup (struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback
 	/* configure gpio to interrupt routing */
 	stm_exticr_set(gpio, pin);
 
-	/* configure pin as input, setting selected pull-up/down mode */
-	stm_moder_set(gpio, pin, STM_MODER_INPUT);
-	switch (mode & (AO_EXTI_MODE_PULL_UP|AO_EXTI_MODE_PULL_DOWN)) {
-	case 0:
-	default:
-		pupdr  = STM_PUPDR_NONE;
-		break;
-	case AO_EXTI_MODE_PULL_UP:
-		pupdr = STM_PUPDR_PULL_UP;
-		break;
-	case AO_EXTI_MODE_PULL_DOWN:
-		pupdr = STM_PUPDR_PULL_DOWN;
-		break;
+	if (!(mode & AO_EXTI_PIN_NOCONFIGURE)) {
+		/* configure pin as input, setting selected pull-up/down mode */
+		stm_moder_set(gpio, pin, STM_MODER_INPUT);
+		switch (mode & (AO_EXTI_MODE_PULL_UP|AO_EXTI_MODE_PULL_DOWN)) {
+		case 0:
+		default:
+			pupdr  = STM_PUPDR_NONE;
+			break;
+		case AO_EXTI_MODE_PULL_UP:
+			pupdr = STM_PUPDR_PULL_UP;
+			break;
+		case AO_EXTI_MODE_PULL_DOWN:
+			pupdr = STM_PUPDR_PULL_DOWN;
+			break;
+		}
+		stm_pupdr_set(gpio, pin, pupdr);
 	}
-	stm_pupdr_set(gpio, pin, pupdr);
 
 	/* Set interrupt mask and rising/falling mode */
 	stm_exti.imr &= ~mask;