From 6c6bc48fd6ce57afebf20a4c513770af15100c84 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 26 May 2012 13:11:31 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4238
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/hal/platforms/STM32F0xx/adc_lld.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'os/hal')

diff --git a/os/hal/platforms/STM32F0xx/adc_lld.c b/os/hal/platforms/STM32F0xx/adc_lld.c
index 95e0ddf77..51905c3d4 100644
--- a/os/hal/platforms/STM32F0xx/adc_lld.c
+++ b/os/hal/platforms/STM32F0xx/adc_lld.c
@@ -151,6 +151,14 @@ void adc_lld_init(void) {
      disabled.*/
   nvicEnableVector(ADC1_COMP_IRQn,
                    CORTEX_PRIORITY_MASK(STM32_ADC_IRQ_PRIORITY));
+
+  /* Calibration procedure.*/
+  rccEnableADC1(FALSE);
+  chDbgAssert(ADC1->CR == 0, "adc_lld_init(), #1", "invalid register state");
+  ADC1->CR |= ADC_CR_ADCAL;
+  while (ADC1->CR & ADC_CR_ADCAL)
+    ;
+  rccDisableADC1(FALSE);
 }
 
 /**
-- 
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