From c7917469e9c82a1383fed3591939829dce44e652 Mon Sep 17 00:00:00 2001
From: Dominic Clifton <dominic.clifton@cleanflight.com>
Date: Thu, 22 Feb 2018 19:40:13 +0100
Subject: [PATCH] SPRACINGF4EVO - Use ADC3 instead of ADC1

---
 src/main/target/SPRACINGF4EVO/target.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/target/SPRACINGF4EVO/target.h b/src/main/target/SPRACINGF4EVO/target.h
index d926f5c07..e62cc3a8b 100644
--- a/src/main/target/SPRACINGF4EVO/target.h
+++ b/src/main/target/SPRACINGF4EVO/target.h
@@ -143,8 +143,13 @@
 #define MPU6500_SPI_INSTANCE                SPI1
 
 #define USE_ADC
-#define ADC_INSTANCE            ADC1
-#define ADC1_DMA_STREAM DMA2_Stream0
+// It's possible to use ADC1 or ADC3 on this target, same pins.
+//#define ADC_INSTANCE            ADC1
+//#define ADC1_DMA_STREAM DMA2_Stream0
+
+// Using ADC3 frees up DMA2_Stream0 for SPI1_RX
+#define ADC_INSTANCE            ADC3
+#define ADC3_DMA_STREAM DMA2_Stream1
 
 #define VBAT_ADC_PIN            PC1
 #define CURRENT_METER_ADC_PIN   PC2