ROFLS_Arena/ROFLS_Arena_Remote/ROFLS_Arena_Remote.ino

// ROFLS+ Referee Remote

#include <WiFi.h>
#include <esp_now.h> // automatically installed for ESP32 boards, I think?
#include <Preferences.h> // automatically installed for ESP32 boards
#include <avdweb_Switch.h> // https://github.com/avdwebLibraries/avdweb_Switch

// Hardware connections
#define START_BTN_PIN 1
#define PAUSE_BTN_PIN 2
#define PIT_BTN_PIN 3
#define RESET_BTN_PIN 4
#define REDTEAM_BTN_PIN 5
#define BLUETEAM_BTN_PIN 6
#define REDTEAM_LED_PIN 39
#define BLUETEAM_LED_PIN 40

// define buttons and switches
Switch buttonSTART = Switch(START_BTN_PIN, INPUT_PULLUP, LOW, 50, 1000);
Switch buttonPAUSE = Switch(PAUSE_BTN_PIN);
Switch buttonPIT = Switch(PIT_BTN_PIN, INPUT_PULLUP, LOW, 50, 1000);
Switch buttonRESET = Switch(RESET_BTN_PIN, INPUT_PULLUP, LOW, 50, 1000);
Switch buttonREDTEAM = Switch(REDTEAM_BTN_PIN, INPUT_PULLUP, LOW, 50, 1000);
Switch buttonBLUETEAM = Switch(BLUETEAM_BTN_PIN, INPUT_PULLUP, LOW, 50, 1000);

bool buttonSTARTvar = false;
bool buttonPAUSEvar = false;
bool buttonPITvar = false;
bool buttonRESETvar = false;

bool sendDATA = false;

// ESP-NOW config

// REPLACE WITH YOUR RECEIVER MAC Address
uint8_t broadcastAddress[] = {0x84, 0xFC, 0xE6, 0xC7, 0x1A, 0x8C};

// Structure example to send data
// Must match the receiver structure
typedef struct struct_message_send {
  int boardID;
  bool buttonSTART;
  bool buttonSTARTforced;
  bool buttonPAUSE;
  bool buttonPIT;
  bool buttonPIThold;
  bool buttonRESET;
  bool buttonREDTEAM;
  bool buttonREDTEAMtapout;
  bool buttonBLUETEAM;
  bool buttonBLUETEAMtapout;
} struct_message_send;

// Create a struct_message called myData
struct_message_send sendDATA;

esp_now_peer_info_t peerInfo;

// callback when data is sent
void OnDataSent(const uint8_t *mac_addr, esp_now_send_status_t status) {
  Serial.print("\r\nLast Packet Send Status:\t");
  Serial.println(status == ESP_NOW_SEND_SUCCESS ? "Delivery Success" : "Delivery Fail");
}

void setup() {
  Serial.begin(115200);

  // Set device as a Wi-Fi Station
  WiFi.mode(WIFI_STA);

  // Init ESP-NOW
  if (esp_now_init() != ESP_OK) {
    Serial.println("Error initializing ESP-NOW");
    return;
  }
  // Once ESPNow is successfully Init, we will register for Send CB to
  // get the status of Trasnmitted packet
  //esp_now_register_send_cb(OnDataSent);

  // Register peer
  memcpy(peerInfo.peer_addr, broadcastAddress, 6);
  peerInfo.channel = 0;  
  peerInfo.encrypt = false;
  // Add peer        
  if (esp_now_add_peer(&peerInfo) != ESP_OK){
    Serial.println("Failed to add peer");
    return;
  }
}

void loop() {
  // poll all the switch/button inputs
  pollInput();
  // start button logic
  if (buttonSTARTvar) {
    buttonSTARTvar = false;
    remoteDATA.buttonSTARTremote = true;
    sendDATA = true;
  }
  // pause button logic
  if (buttonPAUSEvar) {
    buttonPAUSEvar = false;
    remoteDATA.buttonPAUSEremote = true;
    sendDATA = true;
  }
  // pit button logic
  if (buttonPITvar) {
    buttonPITvar = false;
    remoteDATA.buttonPITremote = true;
    sendDATA = true;
  }
  // reset button logic
  if (buttonRESETvar) {
    buttonRESETvar = false;
    remoteDATA.buttonRESETremote = true;
    sendDATA = true;
  }

  // Set values to send
  //remoteDATA.buttonSTARTremote = false;
  //remoteDATA.buttonPAUSEremote = false;
  //remoteDATA.buttonPITremote = false;
  //remoteDATA.buttonRESETremote = false;

  // Send message via ESP-NOW
  //esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &remoteDATA, sizeof(remoteDATA));
  if (sendDATA == true) {
    esp_err_t result = esp_now_send(broadcastAddress, (uint8_t *) &remoteDATA, sizeof(remoteDATA));
    sendDATA = false;
    // clear remoteDATA struct
    remoteDATA.buttonSTARTremote = false;
    remoteDATA.buttonPAUSEremote = false;
    remoteDATA.buttonPITremote = false;
    remoteDATA.buttonRESETremote = false;

    if (result == ESP_OK) {
      Serial.println("Sent with success");
    }
    else {
      Serial.println("Error sending the data");
    }
  }


  /* 
  if (result == ESP_OK) {
    Serial.println("Sent with success");
  }
  else {
    Serial.println("Error sending the data");
  }
  */
  //delay(2000);
}