adc.c: fix uninitialized value

diff --git a/firmware/adc.c b/firmware/adc.c
index 1dbedfc..9ed80f2 100644 (file)
--- a/firmware/adc.c
+++ b/firmware/adc.c
@@ -158,6 +158,7 @@ void init_adc()
        unsigned char i;
        current_adc = 0;
        adc_is_on = 1;
+       slow_adcs_wanted = FIRST_1S_ADC;
 
        ADCSRA = _BV(ADEN)                      // enable
                | _BV(ADPS1) | _BV(ADPS0)       // CLK/8 = 125 kHz