adc: suspend function

diff --git a/firmware/adc.c b/firmware/adc.c
index 5252ae7edc1cc2b6554ebb8e2f9486221e19eeec..3fdbe3262f3d6467364cd1a73063abd0d3be75e7 100644 (file)
--- a/firmware/adc.c
+++ b/firmware/adc.c
@@ -74,6 +74,12 @@ void init_adc()
        ADCSRA |= _BV(ADIE); // enable IRQ
 }
 
+void susp_adc()
+{
+       ADCSRA = 0;
+       DIDR0 = 0;
+}
+
 ISR(ADC_vect) { // IRQ handler
        uint16_t adcval = ADCW;