pwmleds: less measurements per run

With low-pass filters at the input of PWMLED ADC pins, it is now
relatively stable and noise-free, so we can lower the number of readings
to two. Hopefully this will not cause instability.

diff --git a/firmware/lights.h b/firmware/lights.h
index af5eab6756ca96554d5e7c45fe8c81390a89822d..772613ac513b34943450c4182a64302f545d5f6e 100644 (file)
--- a/firmware/lights.h
+++ b/firmware/lights.h
@@ -25,7 +25,7 @@ void inline log_word(uint16_t word) { }
 #endif
 
 /* adc.c */
-#define PWMLED_ADC_SHIFT 3 /* 1<<3 measurements per single callback */
+#define PWMLED_ADC_SHIFT 1 /* 1<<1 measurements per single callback */
 void init_adc();
 void susp_adc();
 void timer_start_slow_adcs();