set_prescaler.c

来自「Source code for driving RFM01 fm radio r」· C语言 代码 · 共 8 行

#include "../adc.h"

//! configure ADC_ converter clock division (prescaling)
void ADC_set_prescaler(unsigned char prescale)
{
	ADCSR =  (ADCSR & ~ADC_PRESCALE_MASK) | prescale;
}