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33 lines
628 B
33 lines
628 B
#include "muxer.h"
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#include <avr/io.h>
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void muxer_init(){
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DDRC |= (_BV(0)|_BV(1)|_BV(2)|_BV(3)); // conf as outputs
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PORTC |= _BV(3); // inhibit
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}
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void muxer_set(uint8_t channel){
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PORTC |= _BV(3); // engage inhibit
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PORTC &= ~(0x07); //mask
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PORTC |= channel & 0x07; //set
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PORTC &= ~(_BV(3)); // disengage inhibit
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//TODO: delays, check everything, mask in register
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}
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void offset_measure_init(){
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DDRD |= 0x0f; // first 4 pins as output
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PORTD = 0x00; // turn everything off
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}
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void offset_measure_start(uint8_t channel){
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if(channel >3){
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return;
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}
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PORTD = (1<<channel);
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}
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void offset_measure_stop(){
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PORTD = 0;
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}
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