#include "protocentralAds1292r.h"
#include "SPI.h"


#define SERVICE_UUID        "4fafc201-1fb5-459e-8fcc-c5c9c331914b"  //creating the service UUID
#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"  //creating the characteristics UUID

#define ESP32_V_SPI_CS_PIN 5
#define ADS1292R_PWRDN_PIN 27
#define ADS1292R_START_PIN 15
#define ADS292R_DATAREADY_PIN 22

char Reg_read_data;
bool data_available;

#define LED_BUILTIN 2 //pin with LED to turn on when BT connected

ads1292OutputValues* ADS1292RegValues; 
ads1292r ECG_SENSOR_ADS1292R;


/*------------------------Setup or main function.---------------------------*/
void setup() {

  pinMode(ESP32_V_SPI_CS_PIN,OUTPUT);
  pinMode(ADS1292R_PWRDN_PIN,OUTPUT);
  pinMode(ADS1292R_START_PIN,OUTPUT);
  pinMode(ADS292R_DATAREADY_PIN,INPUT);
   
  digitalWrite(ESP32_V_SPI_CS_PIN,LOW);
  digitalWrite(ADS1292R_PWRDN_PIN,LOW);
  digitalWrite(ADS1292R_START_PIN,HIGH);
  SPI.begin();
  
  Serial.begin(9600); // define the baud rate of ESP32

  Serial.println("Starting BLE work!");



/*-------------------------------------------------------------------------------------------*/
/*-------------Setting up the Sensor------------------------*/

  ECG_SENSOR_ADS1292R.ads1292Reset(ADS1292R_PWRDN_PIN);
  delay(1000);
  ECG_SENSOR_ADS1292R.ads1292Init(ESP32_V_SPI_CS_PIN,ADS1292R_PWRDN_PIN,ADS1292R_START_PIN);
  delay(1000);
  Serial.println("ECG sensor initialised.");
  data_available = ECG_SENSOR_ADS1292R.getAds1292EcgAndRespirationSamples(ADS292R_DATAREADY_PIN,ESP32_V_SPI_CS_PIN,ADS1292RegValues);
  data_available=true;
 if (data_available==true){
  Serial.print("The data is ready");
 }
  ECG_SENSOR_ADS1292R.ads1292Reset(ADS1292R_PWRDN_PIN);


  
//For Debug purpose only.
//Reading the Chip ID
//  pinMode(ESP32_V_SPI_CS_PIN,OUTPUT);
//  pinMode(ADS1292R_PWRDN_PIN,OUTPUT);
//  pinMode(ADS1292R_START_PIN,OUTPUT);
  
//  digitalWrite(ESP32_V_SPI_CS_PIN,LOW);
//  digitalWrite(ADS1292R_PWRDN_PIN,LOW);


//  ECG_SENSOR_ADS1292R.ads1292RegRead(ESP32_V_SPI_CS_PIN,ADS1292R_PWRDN_PIN,ADS1292_REG_ID,Reg_read_data);
//  Serial.println("CHIP ID is:");
//  Serial.println(Reg_read_data,HEX);
}