MAX11212Board.h

#define ADR_A A2
#define ADR_B A1
#define ADR_C A0
#define INHIB A3
 
#ifndef MAX11212_REFERENCE
#define MAX11212_REFERENCE 3.3
#endif
 
#include <MAX11212.h>
 
MAX11212 adc(A5,A4);
 
void initMAX11212(void){
    pinMode(ADR_A,OUTPUT);
    pinMode(ADR_B,OUTPUT);
    pinMode(ADR_C,OUTPUT);
    pinMode(INHIB,OUTPUT);
    digitalWrite(INHIB,HIGH);
    adc.begin();
}
 
 
float readChannel(uint8_t nr, uint16_t delaytime=20){
    digitalWrite(ADR_A,nr&0x1);
    digitalWrite(ADR_B,nr&0x2);
    digitalWrite(ADR_C,nr&0x4);
    digitalWrite(INHIB,LOW);
    delay(delaytime);
    float v=MAX11212_REFERENCE*adc.read()/131071;
    digitalWrite(INHIB,HIGH);
    return v;
}
 
long readADC(uint8_t nr, uint16_t delaytime=20){
    digitalWrite(ADR_A,nr&0x1);
    digitalWrite(ADR_B,nr&0x2);
    digitalWrite(ADR_C,nr&0x4);
    digitalWrite(INHIB,LOW);
    delay(delaytime);
    long v=adc.read();
    digitalWrite(INHIB,HIGH);
    return v;
}