PH_Salinity/Soft/MCP3428/MCP3428.c

#include "MCP3428.h"

byte getChannelConfigByte(int channel) {
  byte configByte = 0x88; // Configuration par défaut pour le canal 1

  if (channel == 1) {
    configByte = 0xA8;
  } else if (channel == 2) {
    configByte = 0xC8;
  } else if (channel == 3) {
    configByte = 0xE8;
  }

  return configByte;
}

float MCP3428_Read(uint8_t channel) {
       
    Wire.beginTransmission(MCP3428_ADDRESS);
    Wire.write(getChannelConfigByte(channel));
    Wire.endTransmission();
    
    delay(200);
  byte config,byte1,byte2;
    while(1){
        Wire.requestFrom(MCP3428_ADDRESS, 3);
        byte2 = Wire.read();
        byte1 = Wire.read();
        config = Wire.read();
        if(config>>8==0) //tant qu'il a pas fini
            break;
    }

    int value = ((byte2) << 8) | byte1;
    return ((float)value * 62.5)/1000000;
}