Enable ADC reading of battery status.

1 files changed, 3 insertions, 0 deletions

diff --git a/rcc.cpp b/rcc.cpp
index 79bbc69..e3ae38d 100644
--- a/rcc.cpp
+++ b/rcc.cpp
@@ -20,4 +20,7 @@ void rcc_init() {
 	
 	// Set APB1 prescaler to /2.
 	RCC.CFGR |= 0x400;
+	
+	// Set ADCCLK prescaler to /6.
+	RCC.CFGR |= 0x8000;
 }