From 3622e3adbee94c18a34b871b67b355cef6a79ee1 Mon Sep 17 00:00:00 2001
From: Peeyush pashine <peeyushpashine@gmail.com>
Date: Wed, 3 Aug 2016 12:30:22 +0530
Subject: [PATCH] Update analogin_api.c

Software trigger for ST NUCLEO F1x series boards:

Issue:

https://github.com/ARMmbed/mbed-os/issues/1672#issuecomment-236565445
---
 hal/targets/hal/TARGET_STM/TARGET_STM32F1/analogin_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/analogin_api.c b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/analogin_api.c
index 45a0aead43..7c023be29d 100644
--- a/hal/targets/hal/TARGET_STM/TARGET_STM32F1/analogin_api.c
+++ b/hal/targets/hal/TARGET_STM/TARGET_STM32F1/analogin_api.c
@@ -78,7 +78,7 @@ void analogin_init(analogin_t *obj, PinName pin)
         AdcHandle.Init.NbrOfConversion       = 1;
         AdcHandle.Init.DiscontinuousConvMode = DISABLE;
         AdcHandle.Init.NbrOfDiscConversion   = 0;
-        AdcHandle.Init.ExternalTrigConv      = ADC_EXTERNALTRIGCONV_T1_CC1;
+        AdcHandle.Init.ExternalTrigConv      = ADC_SOFTWARE_START;
         HAL_ADC_Init(&AdcHandle);
     }
 }