Project #26 – Radio Frequency – SI4713 FM – Mk28

/****** Don Luc Electronics © ******
Software Version Information
Project #26 – Radio Frequency – SI4713 FM – Mk28
26-28
DL2610Mk02p.ino
DL2610Mk02
1 x SparkFun Thing Plus - ESP32 WROOM (Micro-B}
1 x Assembled Terminal Block Breakout FeatherWing
1 x Adafruit SSD1306
1 x SI4713 FM Transmitter Module
1 x Lithium Ion Battery - 1000mAh
1 x USB Micro-B Cable
*/

// Include the Library Code
// Wire
#include "Wire.h"
// Adafruit SSD1306
#include <Adafruit_SSD1306.h>
// SI4713 FM Transmitter
#include <Adafruit_Si4713.h>

// SI4713 FM Transmitter
// _BV
#define _BV(n) (1 << n)
// RESET PIN
#define RESETPIN 12
// FM STATION
// 10230 == 102.30 MHz
#define FMSTATION 10230      
// SI4713 FM Transmitter
Adafruit_Si4713 radio = Adafruit_Si4713(RESETPIN);

// Adafruit SSD1306
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

// Software Version Information
String sver = "26-28";

void loop() {
  
  // is SI4713FM
  isSI4713FM();
  
}

// Adafruit SSD1306
// isDisplayUID
void isDisplayUID(){

    // Intentar ambas direcciones
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    //Serial.println("Error con 0x3C, probando 0x3D...");
    if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3D)) {
      //Serial.println("Error OLED en ambas direcciones");
      return;
    }
  }
  
  // Clear Display
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  // Don Luc Electronics
  display.setCursor(0,0);
  display.println("Don Luc Electronics");
  // Motor Drive
  display.setCursor(0,10);
  display.print("Radio FM");
 // Version
  display.setCursor(0,20);
  display.print("Version");
  display.setCursor(0,30);
  display.print( sver );
  // Display
  display.display();

}
// isDisplay FM
void isDisplayFM(){

  // Clear Display
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(SSD1306_WHITE);
  // Don Luc Electronics
  display.setCursor(0,0);
  display.println("Don Luc Electronics");
  // FM
  display.setCursor(0,20);
  display.print("Radio FM");
  // 102.3 MHz
  display.setCursor(0,40);
  display.print( "102.3 MHz" );
  // Display
  display.display();

}

// SI4713 FM Transmitter\
// Setup SI4713 FM
void isSetupSI4713FM(){

  // Begin with address 0x63 (CS high default)
  if (! radio.begin()) {  
    
    Serial.println("Couldn't find radio?");
    while (1);

  }

  // dBuV, 88-115 max
  radio.setTXpower(115);

  // 102.3 MHz
  radio.tuneFM(FMSTATION);

  // This will tell you the status in case you want to read it from the chip
  radio.readTuneStatus();

  // Current Frequency
  radio.currFreq;
  
  // Current Frequency dBuV
  radio.currdBuV;

  // Current Frequency Antenna Capacitor
  radio.currAntCap;

  // Begin the RDS/RDBS transmission
  radio.beginRDS();

  // DON-LUC
  radio.setRDSstation("DON-LUC");

  // "Don Lucito Radio!
  radio.setRDSbuffer( "Don Lucito Radio!");

  // Set GP1 and GP2 to output
  radio.setGPIOctrl(_BV(1) | _BV(2)); 

}
// is SI4713FM
void isSI4713FM(){

  // Read ASQ
  radio.readASQ();

  // Current Frequency ASQ: 0x
  Serial.println(radio.currASQ, HEX);

  // Current Entry-Level
  Serial.println(radio.currInLevel);

  // Toggle GPO1
  radio.setGPIO(_BV(1));
  // Delay
  delay(500);

  // Toggle GPO2
  radio.setGPIO(_BV(2));
  // Delay
  delay(500);

}

// Setup
void setup()
{

  // Delay
  delay( 100 );

  // Serial Begin
  Serial.begin(9600);

  // Delay
  delay(100);

  // Delay
  delay( 100 );

  // Adafruit SSD1306 - UID
  // Don Luc Electronics
  // Versioc
  isDisplayUID();
  
  // Delay
  delay( 5000 );

  // isDisplay FM
  isDisplayFM();

  // Delay
  delay( 1000 );

  // Setup SI4713 FM
  isSetupSI4713FM();

  // Delay
  delay( 1000 );

}