9 年之前 · 86f82dd02d
--- a/keyboard/hhkb_rn42/rn42/battery.c
+++ b/keyboard/hhkb_rn42/rn42/battery.c
@@ -92,6 +92,7 @@ uint16_t battery_voltage(void)

 volatile uint16_t bat;
 ADCSRA |= (1<<ADEN);
 _delay_ms(1); // wait for charging S/H capacitance

 ADCSRA |= (1<<ADSC);
 while (ADCSRA & (1<<ADSC)) ;