diff --git a/firmware/nest_main/nest_main.ino b/firmware/nest_main/nest_main.ino
index 1fd83ecd040bd8faae25dc41b312ed8ce3b10036..a7aeeaeec94c57d414a5419ce676cc9cb4314c38 100644
--- a/firmware/nest_main/nest_main.ino
+++ b/firmware/nest_main/nest_main.ino
@@ -1,3 +1,535 @@
+#include <Adafruit_TinyUSB.h>
+#include <SPI.h>
+#include "Ucglib.h"
+#include <TouchScreen.h>
+#include <bluefruit.h>
+#include "algorithm_by_RF.h"
+#include "max30102.h"
+
+#define TFT_CS 33
+#define TFT_RST 2
+#define TFT_DC 25
+#define TFT_MOSI 24
+#define TFT_SCLK 26
+#define LIGHT_PIN 10
+#define OXI_INT 18
+//#define PIN_BUTTON1 1 // Button defined in variant
+
+Ucglib_ST7735_18x128x160_HWSPI ucg(TFT_DC, TFT_CS, TFT_RST);
+
+// Touchscreen pins
+#define YP A6
+#define XM A2
+#define YM A0
+#define XP A7
+#define TS_MINX 150
+#define TS_MINY 120
+#define TS_MAXX 920
+#define TS_MAXY 940
+TouchScreen ts = TouchScreen(XP, YP, XM, YM, 150);
+
+// Global variables for the screen state
+// Screen enumerations for various views
+enum Screen { MAIN_MENU, RESCUE_CONFIRM, SENDING_DATA, SURVEY_SENT, HEART_RATE, PAIN_DIARY, PAIN_DESCRIPTION, DAILY_LIMITATION, HR_MEASUREMENT, HR_RESULT, HR_ERROR, DATA_CONFIRMATION, DATA_SENDING };
+
+Screen currentScreen = MAIN_MENU;
+Screen previousScreen = MAIN_MENU; // Stores the previous screen for easy navigation back
+
+int selectedPainLevel = -1; // Pain intensity level
+int dailyLimitation = -1; // Daily activity limitation level
+int painDescription = -1; // Pain description
+
+int currentBpm = -1; // Default BPM value, indicating no valid value yet
+uint32_t elapsedTime, timeStart;
+
+uint32_t aun_ir_buffer[BUFFER_SIZE]; // Infrared LED sensor data
+uint32_t aun_red_buffer[BUFFER_SIZE]; // Red LED sensor data
+float old_n_spo2; // Previous SPO2 value
+uint8_t uch_dummy, k;
+
+// Define UUIDs for BLE service and characteristic
+#define SERVICE_UUID "12345678-1234-5678-1234-56789abcdef0"
+#define CHARACTERISTIC_UUID "abcdef12-3456-7890-1234-56789abcdef1"
+BLEService customService(SERVICE_UUID);
+BLECharacteristic alertCharacteristic(CHARACTERISTIC_UUID);
+
+// Initial setup function for initializing the screen, BLE, and setting pins
+void setup(void) {
+ pinMode(OXI_INT, INPUT); // Initialize the MAX30102 interrupt pin
+ pinMode(PIN_BUTTON1, INPUT_PULLUP); // Configure button as input with pull-up resistor
+
+ Serial.begin(115200); // Begin serial communication for debugging
+ while (!Serial); // Wait for the serial port to be ready for debugging
+
+ maxim_max30102_init(); // Initialize the MAX30102 sensor
+ old_n_spo2 = 0.0;
+
+ pinMode(LIGHT_PIN, OUTPUT);
+ analogWrite(LIGHT_PIN, 255);
+ ucg.begin(UCG_FONT_MODE_TRANSPARENT);
+ ucg.clearScreen();
+ setupBLE(); // Initialize BLE configuration
+ drawInterface(); // Draw the main menu screen
+}
+
+// Main loop that runs continuously for screen interactions and heart rate updates
+void loop(void) {
+ bool isTouched = checkTouch(); // Checks if the screen was touched
+
+ if (currentScreen == HEART_RATE && !isTouched) {
+ updateHeartRate(); // Only update heart rate if on heart rate screen and no touch is detected
+ }
+
+ checkButtonPress(); // Check button status for navigation
+ delay(100); // Small delay to avoid frequent refresh
+}
+
+// Check if button 1 is pressed for navigation
+void checkButtonPress() {
+ if (digitalRead(PIN_BUTTON1) == LOW) { // If button is pressed
+ Serial.println("Button pressed");
+ delay(200); // Small delay to prevent multiple button reads
+ goToPreviousScreen(); // Navigate back to the previous screen
+ }
+}
+
+// Go to the previous screen based on the stored value of `previousScreen`
+void goToPreviousScreen() {
+ switch (previousScreen) {
+ case MAIN_MENU:
+ drawInterface();
+ break;
+ case RESCUE_CONFIRM:
+ drawRescueConfirmationScreen();
+ break;
+ case SENDING_DATA:
+ drawSendingDataScreen();
+ break;
+ case SURVEY_SENT:
+ drawSurveySentScreen();
+ break;
+ case HEART_RATE:
+ drawHeartRateScreen();
+ break;
+ case PAIN_DIARY:
+ drawPainDiaryScreen();
+ break;
+ case PAIN_DESCRIPTION:
+ drawPainDescriptionScreen();
+ break;
+ case DAILY_LIMITATION:
+ drawDailyLimitationScreen();
+ break;
+ default:
+ drawInterface(); // Default to main menu if no previous screen is found
+ break;
+ }
+}
+
+// BLE setup for configuring the device and starting advertising
+void setupBLE() {
+ Bluefruit.begin();
+ Bluefruit.Periph.setConnectCallback(connect_callback);
+ Bluefruit.Periph.setDisconnectCallback(disconnect_callback);
+ Bluefruit.setName("NEST Device");
+
+ // Initialize BLE service
+ customService.begin();
+
+ // Initialize BLE characteristic for notifications
+ alertCharacteristic.setProperties(CHR_PROPS_NOTIFY);
+ alertCharacteristic.setPermission(SECMODE_OPEN, SECMODE_NO_ACCESS);
+ alertCharacteristic.setFixedLen(20);
+ alertCharacteristic.begin();
+
+ startAdvertising();
+}
+
+// Start BLE advertising
+void startAdvertising() {
+ Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
+ Bluefruit.Advertising.addTxPower();
+ Bluefruit.Advertising.addService(customService);
+ Bluefruit.Advertising.addName();
+ Bluefruit.Advertising.start(0); // 0 for continuous advertising
+}
+
+// BLE connection callback
+void connect_callback(uint16_t conn_handle) {
+ Serial.println("Device Connected!");
+}
+
+// BLE disconnection callback
+void disconnect_callback(uint16_t conn_handle, uint8_t reason) {
+ Serial.println("Device Disconnected!");
+}
+
+// Draw main interface with options for different screens
+void drawInterface() {
+ previousScreen = currentScreen;
+ currentScreen = MAIN_MENU;
+ ucg.clearScreen();
+ ucg.setColor(255, 255, 255); // White
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("NEST - OS");
+
+ drawButton(5, 30, 118, 36, "Diario del dolor", 0x2104);
+ drawButton(5, 75, 118, 36, "Rescate", 0x2104);
+ drawButton(5, 120, 118, 36, "Monitoreo", 0x2104);
+}
+
+// Draw screen for pain diary options
+void drawPainDiaryScreen() {
+ previousScreen = currentScreen;
+ currentScreen = PAIN_DIARY;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("Intensidad");
+
+ drawButton(10, 30, 110, 25, "Ausencia de dolor", 0x00E0); // Green
+ drawButton(10, 60, 110, 25, "Dolor leve", 0xCC60); // Yellow
+ drawButton(10, 90, 110, 25, "Dolor moderado", 0xFB40); // Orange
+ drawButton(10, 120, 110, 25, "Dolor severo", 0xF800); // Red
+}
+
+// Draw screen for pain description options
+void drawPainDescriptionScreen() {
+ previousScreen = currentScreen;
+ currentScreen = PAIN_DESCRIPTION;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("¿Como te duele?");
+
+ drawButton(10, 30, 110, 25, "Intensidad cambia", 0x2104); // Yellow
+ drawButton(10, 60, 110, 25, "Intensidad igual", 0x2104); // Orange
+ drawButton(10, 90, 110, 25, "Punzadas", 0x2104); // Red
+ drawButton(10, 120, 110, 25, "Al levantarse", 0x2104); // Green
+}
+
+// Draw screen to assess daily limitation from pain
+void drawDailyLimitationScreen() {
+ previousScreen = currentScreen;
+ currentScreen = DAILY_LIMITATION;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("¿Lo limita?");
+
+ drawButton(10, 30, 110, 25, "No me limita", 0x00E0); // Green
+ drawButton(10, 60, 110, 25, "Ligeramente", 0xCC60); // Yellow
+ drawButton(10, 90, 110, 25, "Moderada", 0xFB40); // Orange
+ drawButton(10, 120, 110, 25, "Total", 0xF800); // Red
+}
+
+// Draw heart rate measurement screen
+void drawHRMeasurementScreen() {
+ previousScreen = currentScreen;
+ currentScreen = HR_MEASUREMENT;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("Frecuencia");
+ ucg.setPrintPos(10, 30); // Next line for "cardiaca"
+ ucg.print("cardiaca");
+
+ ucg.setFont(ucg_font_ncenR14_hr);
+ ucg.setPrintPos(30, 60); // Position "Sensando..." further left
+ ucg.print("Sensando...");
+
+ // Purple back button
+ ucg.setColor(128, 0, 128);
+ ucg.drawDisc(20, 80, 15, UCG_DRAW_ALL);
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(15, 85);
+ ucg.print("<");
+
+ startHeartRateMeasurement(); // Start BPM sensing
+}
+
+
+
+void startHeartRateMeasurement() {
+ int attempts = 0;
+ currentBpm = -1;
+
+ while (attempts < 5 && currentBpm <= 0) {
+ updateHeartRate(); // Intenta sensar la frecuencia cardÃaca
+ if (currentBpm > 0) {
+ drawHRResultScreen(currentBpm); // Muestra el valor si es válido
+ return;
+ }
+ attempts++;
+ delay(500); // Pausa corta entre intentos
+ }
+
+ if (currentBpm <= 0) {
+ drawHRErrorScreen(); // Muestra un mensaje de error si no hay BPM válidos
+ }
+}
+
+void drawHRResultScreen(float bpm) {
+ previousScreen = currentScreen;
+ currentScreen = HR_RESULT;
+ ucg.clearScreen();
+
+ // Mostrar "Frecuencia cardiaca"
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 15);
+ ucg.print("Frecuencia");
+
+ ucg.setPrintPos(10, 35);
+ ucg.print("cardiaca");
+
+ // Mostrar el valor de BPM
+ ucg.setFont(ucg_font_ncenR24_tr);
+ ucg.setPrintPos(34, 75); // Ajusta la posición
+ ucg.print(bpm, 1); // Muestra los BPM con un decimal
+
+ // Mostrar "BPM" debajo del valor
+ ucg.setFont(ucg_font_ncenR14_hr);
+ ucg.setPrintPos(45, 100);
+ ucg.print("BPM");
+
+ // Botones de navegación
+ ucg.setColor(128, 0, 128); // Púrpura para los botones
+ ucg.drawDisc(20, 80, 15, UCG_DRAW_ALL); // Botón izquierdo
+ ucg.drawDisc(110, 80, 15, UCG_DRAW_ALL); // Botón derecho
+
+ // Flechas en los botones
+ ucg.setColor(255, 255, 255); // Texto blanco
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(15, 85); // Flecha izquierda
+ ucg.print("<");
+ ucg.setPrintPos(105, 85); // Flecha derecha
+ ucg.print(">");
+}
+
+void drawDataSendingScreen() {
+ previousScreen = currentScreen;
+ currentScreen = DATA_SENDING;
+
+ ucg.clearScreen();
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR14_hr);
+ ucg.setPrintPos(10, 60); ucg.print("Enviando");
+ ucg.setPrintPos(10, 80); ucg.print("datos...");
+ delay(3000);
+ sendSurveyDataViaBLE();
+}
+
+
+
+void drawHRErrorScreen() {
+ previousScreen = currentScreen;
+ currentScreen = HR_ERROR;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 0, 0); // Texto rojo para el mensaje de error
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 40);
+ ucg.print("Error leyendo");
+ ucg.setPrintPos(10, 60);
+ ucg.print("HR");
+
+ // Botón púrpura para regresar
+ ucg.setColor(128, 0, 128); // Color púrpura para el botón
+ ucg.drawDisc(20, 80, 15, UCG_DRAW_ALL);
+ ucg.setColor(255, 255, 255); // Blanco para el icono del botón
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(15, 85);
+ ucg.print("<");
+}
+
+
+void drawDataConfirmationScreen() {
+ previousScreen = currentScreen;
+ currentScreen = DATA_CONFIRMATION; // Nueva pantalla para confirmar el envÃo de datos especÃficos
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 20); ucg.print("Esta seguro");
+ ucg.setPrintPos(10, 40); ucg.print("de enviar");
+ ucg.setPrintPos(10, 60); ucg.print("los datos?");
+
+ ucg.setColor(255, 0, 0); // Red for the NO button
+ ucg.drawDisc(40, 100, 20, UCG_DRAW_ALL);
+ ucg.setColor(255, 255, 255); ucg.setPrintPos(34, 107); ucg.print("X");
+
+ // Smaller YES button with a check mark
+ ucg.setColor(0, 0, 255); // Blue
+ ucg.drawDisc(90, 100, 20, UCG_DRAW_ALL); // Reduced diameter
+ ucg.setColor(255, 255, 255); // White
+
+ // Draw a thicker check mark
+ int baseX = 85, baseY = 98; // Base point for the check
+ // Lines for the lower part of the check
+ ucg.drawLine(baseX, baseY, baseX + 4, baseY + 4);
+ ucg.drawLine(baseX, baseY - 1, baseX + 4, baseY + 3);
+ ucg.drawLine(baseX, baseY + 1, baseX + 4, baseY + 5);
+ // Lines for the upper part of the check
+ ucg.drawLine(baseX + 3, baseY + 3, baseX + 12, baseY - 6);
+ ucg.drawLine(baseX + 3, baseY + 4, baseX + 12, baseY - 5);
+ ucg.drawLine(baseX + 3, baseY + 5, baseX + 12, baseY - 4);
+
+}
+
+void drawRescueConfirmationScreen() {
+ currentScreen = RESCUE_CONFIRM;
+ ucg.clearScreen();
+
+ ucg.setColor(255, 255, 255);
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(10, 20); ucg.print("Esta seguro");
+ ucg.setPrintPos(10, 40); ucg.print("de enviar");
+ ucg.setPrintPos(10, 60); ucg.print("los datos?");
+
+ ucg.setColor(255, 0, 0); // Red for the NO button
+ ucg.drawDisc(40, 100, 20, UCG_DRAW_ALL);
+ ucg.setColor(255, 255, 255); ucg.setPrintPos(34, 107); ucg.print("X");
+
+ // Smaller YES button with a check mark
+ ucg.setColor(0, 0, 255); // Blue
+ ucg.drawDisc(90, 100, 20, UCG_DRAW_ALL); // Reduced diameter
+ ucg.setColor(255, 255, 255); // White
+
+ // Draw a thicker check mark
+ int baseX = 85, baseY = 98; // Base point for the check
+ // Lines for the lower part of the check
+ ucg.drawLine(baseX, baseY, baseX + 4, baseY + 4);
+ ucg.drawLine(baseX, baseY - 1, baseX + 4, baseY + 3);
+ ucg.drawLine(baseX, baseY + 1, baseX + 4, baseY + 5);
+ // Lines for the upper part of the check
+ ucg.drawLine(baseX + 3, baseY + 3, baseX + 12, baseY - 6);
+ ucg.drawLine(baseX + 3, baseY + 4, baseX + 12, baseY - 5);
+ ucg.drawLine(baseX + 3, baseY + 5, baseX + 12, baseY - 4);
+
+}
+
+
+void drawSendingDataScreen() {
+ // Save previous screen and set current screen to SENDING_DATA
+ previousScreen = currentScreen;
+ currentScreen = SENDING_DATA;
+ ucg.clearScreen(); // Clear the screen
+
+ // Display "Enviando datos..." message
+ ucg.setColor(255, 255, 255); // Set text color to white
+ ucg.setFont(ucg_font_ncenR14_hr);
+ ucg.setPrintPos(10, 60);
+ ucg.print("Enviando");
+ ucg.setPrintPos(10, 80);
+ ucg.print("datos...");
+
+ // Prepare alert message to send over BLE
+ const char* alertMsg = "Data Sent";
+ if (Bluefruit.connected()) {
+ // Attempt to send BLE notification with data
+ if (alertCharacteristic.notify(alertMsg, strlen(alertMsg))) {
+ Serial.println("Alert sent via BLE");
+ } else {
+ Serial.println("Failed to send notification");
+ }
+ } else {
+ Serial.println("No devices connected.");
+ }
+
+ delay(3000); // Simulate sending delay
+ drawSurveySentScreen(); // Show confirmation screen after sending
+}
+
+void drawSurveySentScreen() {
+ // Save previous screen and set current screen to SURVEY_SENT
+ previousScreen = currentScreen;
+ currentScreen = SURVEY_SENT;
+ ucg.clearScreen(); // Clear the screen
+
+ // Display "Encuesta Enviada" message
+ ucg.setColor(255, 255, 255); // Set text color to white
+ ucg.setFont(ucg_font_ncenR14_hr);
+ ucg.setPrintPos(10, 60);
+ ucg.print("Encuesta");
+ ucg.setPrintPos(10, 80);
+ ucg.print("Enviada");
+
+ // Draw purple button on the right side for next action
+ ucg.setColor(128, 0, 128); // Purple color for the button
+ ucg.drawDisc(110, 80, 15, UCG_DRAW_ALL); // Draw right button
+
+ // Add arrow on the right button
+ ucg.setColor(255, 255, 255); // White for arrow
+ ucg.setFont(ucg_font_ncenR12_tr);
+ ucg.setPrintPos(105, 85); // Adjust position for the arrow
+ ucg.print(">");
+}
+
+void drawHeartRateScreen() {
+ // Set current screen to HEART_RATE and clear screen
+ currentScreen = HEART_RATE;
+ ucg.clearScreen(); // Clear screen before drawing the new view
+
+ // Display "Frecuencia Cardiaca" title
+ ucg.setColor(255, 255, 255); // White text color
+ ucg.setFont(ucg_font_ncenR14_hr); // Larger font for title
+ ucg.setPrintPos(10, 20);
+ ucg.print("Frecuencia");
+ ucg.setPrintPos(10, 35);
+ ucg.print("Cardiaca");
+
+ // Draw left navigation button to go back
+ ucg.setColor(128, 0, 128); // Purple color for the button
+ ucg.drawDisc(20, 80, 15, UCG_DRAW_ALL);
+ ucg.setColor(255, 255, 255); // White for the button icon
+ ucg.setFont(ucg_font_ncenR12_tr); // Smaller font for the icon
+ ucg.setPrintPos(15, 85); // Adjust position for centering text in the circle
+ ucg.print("<");
+
+ // Display heart rate value or placeholder if invalid
+ ucg.setFont(ucg_font_ncenR24_tr); // Large font for heart rate numbers
+ ucg.setColor(255, 255, 255); // White text color
+ ucg.setPrintPos(60, 80); // Adjust position as needed
+ if (currentBpm >= 0) {
+ ucg.print(currentBpm); // Display current BPM value
+ } else {
+ ucg.print(" -"); // Display dash if BPM is invalid
+ }
+
+ // Display "BPM" label below heart rate
+ ucg.setFont(ucg_font_ncenR14_hr); // Smaller font for BPM label
+ ucg.setPrintPos(60, 100);
+ ucg.print("BPM");
+
+ // Draw heart shape below "BPM" text
+ drawHeart(80, 110); // Call function to draw heart at specified position
+}
+
+void drawHeart(int x, int y) {
+ // Set color to red for the heart shape
+ ucg.setColor(255, 0, 0);
+
+ // Draw the top part of the heart using two overlapping circles
+ ucg.drawDisc(x - 2, y - 2, 4, UCG_DRAW_UPPER_LEFT);
+ ucg.drawDisc(x - 2, y - 2, 4, UCG_DRAW_UPPER_RIGHT);
+ ucg.drawDisc(x + 9, y - 2, 4, UCG_DRAW_UPPER_RIGHT);
+ ucg.drawDisc(x + 9, y - 2, 4, UCG_DRAW_UPPER_LEFT);
+
+ // Draw the bottom part of the heart as a triangle
+ ucg.drawTriangle(x - 6, y - 2, x + 14, y - 2, x + 4, y + 8);
+}
+
bool checkTouch() {
TSPoint p = ts.getPoint();
pinMode(XM, OUTPUT);
@@ -230,4 +762,3 @@ void updateHeartRate() {
-