From 3743bc199cfe7386dc231f2cd85ab05eff25ef63 Mon Sep 17 00:00:00 2001
From: Rocco Marco Guglielmi <roccomarco.guglielmi@live.com>
Date: Thu, 5 May 2016 17:32:26 +0000
Subject: [PATCH] Fixed bug #737

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9423 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c | 14 ++++++++++++++
 os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
index 019e85b5d..ba987adc9 100644
--- a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
+++ b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.c
@@ -520,12 +520,20 @@ void adc_lld_init(void) {
 
   /* ADC units pre-initializations.*/
 #if defined(STM32F3XX)
+#if STM32_HAS_ADC1 && STM32_HAS_ADC2
 #if STM32_ADC_USE_ADC1 || STM32_ADC_USE_ADC2
   rccEnableADC12(FALSE);
   rccResetADC12();
   ADC1_2_COMMON->CCR = STM32_ADC_ADC12_CLOCK_MODE | ADC_DMA_MDMA;
   rccDisableADC12(FALSE);
 #endif
+#else
+#if STM32_ADC_USE_ADC1
+  rccEnableADC12(FALSE);
+  rccResetADC12();
+  ADC1_COMMON->CCR = STM32_ADC_ADC12_CLOCK_MODE | ADC_DMA_MDMA;
+  rccDisableADC12(FALSE);
+#endif
 #if STM32_ADC_USE_ADC3 || STM32_ADC_USE_ADC4
   rccEnableADC34(FALSE);
   rccResetADC34();
@@ -533,6 +541,7 @@ void adc_lld_init(void) {
   rccDisableADC34(FALSE);
 #endif
 #endif
+#endif
 
 #if defined(STM32L4XX)
   rccEnableADC123(FALSE);
@@ -726,13 +735,18 @@ void adc_lld_stop(ADCDriver *adcp) {
 #endif
 
 #if defined(STM32F3XX)
+#if STM32_HAS_ADC1 || STM32_HAS_ADC2
     if ((clkmask & 0x3) == 0) {
       rccDisableADC12(FALSE);
     }
+#endif
+
+#if STM32_HAS_ADC3 || STM32_HAS_ADC4
     if ((clkmask & 0xC) == 0) {
       rccDisableADC34(FALSE);
     }
 #endif
+#endif
 
 #if defined(STM32L4XX)
     if ((clkmask & 0x7) == 0) {
diff --git a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.h b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.h
index bb4d459cb..2a295aead 100644
--- a/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.h
+++ b/os/hal/ports/STM32/LLD/ADCv3/hal_adc_lld.h
@@ -414,9 +414,11 @@
 #endif
 
 /* ISR arrangments checks.*/
+#if STM32_HAS_ADC1 && STM32_HAS_ADC2
 #if STM32_ADC1_NUMBER != STM32_ADC2_NUMBER
 #error "ADCv3 driver expects STM32_ADC1_NUMBER == STM32_ADC2_NUMBER from registry"
 #endif
+#endif
 
 /* ADC IRQ priority tests.*/
 #if STM32_ADC_USE_ADC1 &&                                                   \