I would like to make an ECG device where an ADS1293 ECG chip will extract the analog signal from the human body and then convert it to a digital signal and the chip itself will do the conversion. Afterward, this data will be sent to ESP32 using SPI communication.
But My program does not work properly with my hardware. Can someone assist me with this problem?
ADS1293 Data sheet: ADS1293 datasheet
#include <SPI.h>
#include <stdio.h>
#include <stdlib.h>
#include <avr/interrupt.h>
const int pin_DRDYB = 2;
const int pin_SS = 10;
const unsigned long int ADCmax = 0x800000;
unsigned long int databuffer[3];
void setup() {
pinMode(pin_DRDYB, INPUT);
pinMode(pin_SS, OUTPUT);
pinMode(pin_DRDYB, INPUT_PULLUP);
attachInterrupt(0, ReadAndTrans, LOW);
Serial.begin(115200); // Initialize Serial communication
SPI.begin();
delay(1000);
setup_ECG();
delay(100);
}
void loop() {
// Your main code logic, if any, would go here
}
// Function to configure the ECG module
void setup_ECG() {
// Follow the steps you've provided to configure the device
// ...
// Your setup_ECG() function configuration steps
// ...
}
byte readRegister(byte reg) {
byte data;
reg |= 1 << 7;
digitalWrite(pin_SS, LOW);
SPI.transfer(reg);
data = SPI.transfer(0);
digitalWrite(pin_SS, HIGH);
return data;
}
void writeRegister(byte reg, byte data) {
reg &= ~(1 << 7);
digitalWrite(pin_SS, LOW);
SPI.transfer(reg);
SPI.transfer(data);
digitalWrite(pin_SS, HIGH);
}
void readDataLoop(unsigned long int* databuffer) {
// Your readDataLoop() function logic
// ...
}
void ReadAndTrans() {
readDataLoop(databuffer);
Serial.print(databuffer[0]);
Serial.print(" ");
Serial.print(databuffer[1]);
Serial.print(" ");
Serial.println(databuffer[2]);
}