AD7173 test

AD7173.ino

/*
====================
AD7173 ADC test code
====================
*/
#include <SPI.h>

void print_byte(byte value) {
  char format[10];
  sprintf(format, "0x%.2X ", value);
  Serial.print(format);
}

void setup() {
  /* initiate serial communication */
  Serial.begin(115200);
  /* initiate ADC, returns true if the device ID is valid */
  SPI.begin();
  //SPI.setBitOrder(MSBFIRST);
  SPI.setDataMode(SPI_MODE3);
  //SPI.setClockDivider(SPI_CLOCK_DIV4);

  digitalWrite(SS, HIGH);
  delay(10);
  digitalWrite(SS, LOW);
  
  for (int i = 0; i < 10; i++) {
    byte value[2];
    digitalWrite(SS, LOW);
    //SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
    SPI.transfer(0x00);
    SPI.transfer(0x47);

    value[0] = SPI.transfer(0x00);
    value[1] = SPI.transfer(0x00);
    //SPI.endTransaction();
    digitalWrite(SS, HIGH);

    print_byte(value[0]);
    print_byte(value[1]);
    Serial.println();
  }
}

void loop() {
}