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FreeTouchDeck.ino
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FreeTouchDeck.ino
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/*
Author: Dustin Watts
Date: 27-08-2020
My thanks goes out to Brian Lough, Colin Hickey, and the people on my Discord server
for helping me a lot with the code and troubleshooting! https://discord.gg/RE3XevS
FreeTouchDeck is based on the FreeDeck idea by Koriwi. It uses the TFT_eSPI library
by Bodmer for the display and touch functionality and it uses an ESP32-BLE-Keyboard fork
with a few modifications. For saving and loading configuration it uses ArduinoJson V6.
FreeTouchDeck uses some libraries from other sources. These must be installed for
FreeTouchDeck to compile and run.
These are those libraries:
!----------------------------- Library Dependencies --------------------------- !
- Adafruit-GFX-Library (tested with version 1.10.4), available through Library Manager
- TFT_eSPI (tested with version 2.3.70), available through Library Manager
- ESP32-BLE-Keyboard (latest version) download from: https://github.com/T-vK/ESP32-BLE-Keyboard
- ESPAsyncWebserver (latest version) download from: https://github.com/me-no-dev/ESPAsyncWebServer
- AsyncTCP (latest version) download from: https://github.com/me-no-dev/AsyncTCP
- ArduinoJson (tested with version 6.17.3), available through Library Manager
--- If you use Capacitive touch (ESP32 TouchDown) ---
- Dustin Watts FT6236 Library (version 1.0.2), https://github.com/DustinWatts/FT6236
-or-
A new library that I created that has some more support for different FocalTech touch IC's.
The FILESYSTEM (SPI FLASH filing system) is used to hold touch screen calibration data.
It has to be runs at least once when using resistive touch. After that you can set
REPEAT_CAL to false (default).
!-- Make sure you have setup your TFT display and ESP setup correctly in TFT_eSPI/user_setup.h --!
Select the right screen driver and the board (ESP32 is the only one tested) you are
using. Also make sure TOUCH_CS is defined correctly. TFT_BL is also be needed!
You can find examples of User_Setup.h in the "user_setup.h Examples" folder.
*/
// ------- Uncomment the next line if you use capacitive touch -------
// (The ESP32 TOUCHDOWN and the ESP32 TouchDown S3 uses this!)
//#define USECAPTOUCH
//#define ESP32TouchDownS3
// ------- If your board is capapble of USB HID you can uncomment this -
//#define USEUSBHID
// ------- Uncomment and populate the following if your cap touch uses custom i2c pins -------
//#define CUSTOM_TOUCH_SDA 17
//#define CUSTOM_TOUCH_SCL 18
// ------- Uncomment the define below if you want to use SLEEP and wake up on touch -------
// The pin where the IRQ from the touch screen is connected uses ESP-style GPIO_NUM_* instead of just pinnumber
#define touchInterruptPin GPIO_NUM_27
// ------- Uncomment the define below if you want to use a piezo buzzer and specify the pin where the speaker is connected -------
//#define speakerPin 26
// ------- NimBLE definition, use only if the NimBLE library is installed
// and if you are using the original ESP32-BLE-Keyboard library by T-VK -------
//#define USE_NIMBLE
// Define the filesystem to be used. For now just SPIFFS.
#define FILESYSTEM SPIFFS
#include <SPIFFS.h> // Filesystem support header
//#include <LittleFS.h> // Filesystem support header
const char *versionnumber = "0.9.18a";
/* Version 0.9.18a.
*
* Added option to start WiFi, without stopping BLE and starting webserver
* startWifiStation(false, false) will keep Keyboard in combination with WiFi
* this is to try and add API calls together with BLE Keyboard. For this, use
* the original T-vK BLE Keyboard library.
* Adding ESP32-S3 support
* Trying to add LitteFS Support
* Fix #89
* Fix #90
*/
#include <pgmspace.h> // PROGMEM support header
#include <FS.h> // Filesystem support header
#include <Preferences.h> // Used to store states before sleep/reboot
#include <TFT_eSPI.h> // The TFT_eSPI library
#if defined(USEUSBHID)
#include "USB.h"
#include "USBHIDKeyboard.h"
#include "Keydefines.h"
USBHIDKeyboard bleKeyboard;
#else
#include <BleKeyboard.h> // BleKeyboard is used to communicate over BLE
BleKeyboard bleKeyboard("FreeTouchDeck", "Made by me");
// Checking for BLE Keyboard version
#ifndef BLE_KEYBOARD_VERSION
#warning Old BLE Keyboard version detected. Please update.
#define BLE_KEYBOARD_VERSION "Outdated"
#endif // !defined(BLE_KEYBOARD_VERSION)
#endif // if
#if defined(USE_NIMBLE)
#include "NimBLEDevice.h" // Additional BLE functionaity using NimBLE
#include "NimBLEUtils.h" // Additional BLE functionaity using NimBLE
#include "NimBLEBeacon.h" // Additional BLE functionaity using NimBLE
#else
#include "BLEDevice.h" // Additional BLE functionaity
#include "BLEUtils.h" // Additional BLE functionaity
#include "BLEBeacon.h" // Additional BLE functionaity
#endif // defined(USE_NIMBLE)
#include "esp_sleep.h" // Additional BLE functionaity
#include "esp_bt_main.h" // Additional BLE functionaity
#include "esp_bt_device.h" // Additional BLE functionaity
#include <ArduinoJson.h> // Using ArduinoJson to read and write config files
#include <WiFi.h> // Wifi support
#include <AsyncTCP.h> //Async Webserver support header
#include <ESPAsyncWebServer.h> //Async Webserver support header
#include <ESPmDNS.h> // DNS functionality
#ifdef USECAPTOUCH
#include <Wire.h>
#include <FT6236.h>
FT6236 ts = FT6236();
#endif // defined(USECAPTOUCH)
AsyncWebServer webserver(80);
TFT_eSPI tft = TFT_eSPI();
Preferences savedStates;
// This is the file name used to store the calibration data
// You can change this to create new calibration files.
// The FILESYSTEM file name must start with "/".
#define CALIBRATION_FILE "/TouchCalData"
// Set REPEAT_CAL to true instead of false to run calibration
// again, otherwise it will only be done once.
// Repeat calibration if you change the screen rotation.
#define REPEAT_CAL false
// Set the width and height of your screen here:
#define SCREEN_WIDTH 480
#define SCREEN_HEIGHT 320
// Keypad start position, centre of the first button
#define KEY_X SCREEN_WIDTH / 6
#define KEY_Y SCREEN_HEIGHT / 4
// Gaps between buttons
#define KEY_SPACING_X SCREEN_WIDTH / 24
#define KEY_SPACING_Y SCREEN_HEIGHT / 16
// Width and height of a button
#define KEY_W (SCREEN_WIDTH / 3) - KEY_SPACING_X
#define KEY_H (SCREEN_WIDTH / 3) - KEY_SPACING_Y
// Font size multiplier
#define KEY_TEXTSIZE 1
// Text Button Label Font
#define LABEL_FONT &FreeSansBold12pt7b
// placeholder for the pagenumber we are on (0 indicates home)
int pageNum = 0;
// Initial LED brightness
int ledBrightness = 255;
// Every button has a row associated with it
uint8_t rowArray[6] = {0, 0, 0, 1, 1, 1};
// Every button has a column associated with it
uint8_t colArray[6] = {0, 1, 2, 0, 1, 2};
//path to the directory the logo are in ! including leading AND trailing / !
char logopath[64] = "/logos/";
// templogopath is used to hold the complete path of an image. It is empty for now.
char templogopath[64] = "";
// Struct to hold the logos per screen
struct Logos
{
char logo0[32];
char logo1[32];
char logo2[32];
char logo3[32];
char logo4[32];
char logo5[32];
};
// Struct Action: 3 actions and 3 values per button
struct Actions
{
uint8_t action0;
uint8_t value0;
char symbol0[64];
uint8_t action1;
uint8_t value1;
char symbol1[64];
uint8_t action2;
uint8_t value2;
char symbol2[64];
};
// Each button has an action struct in it
struct Button
{
struct Actions actions;
bool latch;
char latchlogo[32];
};
// Each menu has 6 buttons
struct Menu
{
struct Button button0;
struct Button button1;
struct Button button2;
struct Button button3;
struct Button button4;
struct Button button5;
};
// Struct to hold the general logos.
struct Generallogos
{
char homebutton[64];
char configurator[64];
};
//Struct to hold the general config like colours.
struct Config
{
uint16_t menuButtonColour;
uint16_t functionButtonColour;
uint16_t backgroundColour;
uint16_t latchedColour;
bool sleepenable;
uint16_t sleeptimer;
bool beep;
uint8_t modifier1;
uint8_t modifier2;
uint8_t modifier3;
uint16_t helperdelay;
};
struct Wificonfig
{
char ssid[64];
char password[64];
char wifimode[9];
char hostname[64];
uint8_t attempts;
uint16_t attemptdelay;
};
// Array to hold all the latching statuses
bool islatched[30] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Create instances of the structs
Wificonfig wificonfig;
Config generalconfig;
Generallogos generallogo;
Logos screen0;
Logos screen1;
Logos screen2;
Logos screen3;
Logos screen4;
Logos screen5;
Logos screen6;
Menu menu1;
Menu menu2;
Menu menu3;
Menu menu4;
Menu menu5;
Menu menu6;
unsigned long previousMillis = 0;
unsigned long Interval = 0;
bool displayinginfo;
char* jsonfilefail = "";
// Invoke the TFT_eSPI button class and create all the button objects
TFT_eSPI_Button key[6];
//--------- Internal references ------------
// (this needs to be below all structs etc..)
#include "ScreenHelper.h"
#include "ConfigLoad.h"
#include "DrawHelper.h"
#include "ConfigHelper.h"
#include "UserActions.h"
#include "Action.h"
#include "Webserver.h"
#ifndef ESP32TouchDownS3
#include "Touch.h"
#endif // ESP32TouchDownS3
//-------------------------------- SETUP --------------------------------------------------------------
void setup()
{
// Use serial port
Serial.begin(115200);
Serial.setDebugOutput(true);
Serial.println("");
Serial.println("[INFO]: Loading saved brightness state");
savedStates.begin("ftd", false);
ledBrightness = savedStates.getInt("ledBrightness", 255);
Serial.println("[INFO]: Reading latch stated back from memory:");
savedStates.getBytes("latched", islatched, sizeof(islatched));
for(int i = 0; i < sizeof(islatched); i++){
Serial.print(islatched[i]);
}
Serial.println("");
#ifdef USECAPTOUCH
#ifdef CUSTOM_TOUCH_SDA
if (!ts.begin(40, CUSTOM_TOUCH_SDA, CUSTOM_TOUCH_SCL))
#else
if (!ts.begin(40))
#endif // defined(CUSTOM_TOUCH_SDA)
{
Serial.println("[WARNING]: Unable to start the capacitive touchscreen.");
}
else
{
Serial.println("[INFO]: Capacitive touch started!");
}
#endif // defined(USECAPTOUCH)
// Setup PWM channel and attach pin bl_pin
ledcSetup(0, 5000, 8);
#ifdef TFT_BL
ledcAttachPin(TFT_BL, 0);
#else
ledcAttachPin(backlightPin, 0);
#endif // defined(TFT_BL)
ledcWrite(0, ledBrightness); // Start @ initial Brightness
// --------------- Init Display -------------------------
// Initialise the TFT screen
tft.init();
// Set the rotation before we calibrate
tft.setRotation(1);
// Clear the screen
tft.fillScreen(TFT_BLACK);
esp_sleep_wakeup_cause_t wakeup_reason;
wakeup_reason = esp_sleep_get_wakeup_cause();
// -------------- Start filesystem ----------------------
if (!FILESYSTEM.begin())
{
Serial.println("[ERROR]: FILESYSTEM initialisation failed!");
drawErrorMessage("Failed to init FILESYSTEM! Did you upload the data folder?");
while (1)
yield(); // We stop here
}
Serial.println("[INFO]: FILESYSTEM initialised.");
// Check for free space
Serial.print("[INFO]: Free Space: ");
Serial.println(FILESYSTEM.totalBytes() - FILESYSTEM.usedBytes());
//------------------ Load Wifi Config ----------------------------------------------
Serial.println("[INFO]: Loading Wifi Config");
if (!loadMainConfig())
{
Serial.println("[WARNING]: Failed to load WiFi Credentials!");
}
else
{
Serial.println("[INFO]: WiFi Credentials Loaded");
}
// ----------------- Load webserver ---------------------
handlerSetup();
// ------------------- Splash screen ------------------
// If we are woken up we do not need the splash screen
if (wakeup_reason > 0)
{
// But we do draw something to indicate we are waking up
tft.setTextFont(2);
tft.println(" Waking up...");
}
else
{
// Draw a splash screen
drawBmp("/logos/freetouchdeck_logo.bmp", 0, 0);
tft.setCursor(1, 3);
tft.setTextFont(2);
tft.setTextSize(1);
tft.setTextColor(TFT_WHITE, TFT_BLACK);
tft.printf("Loading version %s\n", versionnumber);
Serial.printf("[INFO]: Loading version %s\n", versionnumber);
}
// Calibrate the touch screen and retrieve the scaling factors
#ifndef USECAPTOUCH
Serial.println("[INFO]: Waiting for touch calibration...");
touch_calibrate();
Serial.println("[INFO]: Touch calibration completed!");
#endif // !defined(USECAPTOUCH)
// Let's first check if all the files we need exist
if (!checkfile("/config/general.json"))
{
Serial.println("[ERROR]: /config/general.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/homescreen.json"))
{
Serial.println("[ERROR]: /config/homescreen.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/menu1.json"))
{
Serial.println("[ERROR]: /config/menu1.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/menu2.json"))
{
Serial.println("[ERROR]: /config/menu2.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/menu3.json"))
{
Serial.println("[ERROR]: /config/menu3.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/menu4.json"))
{
Serial.println("[ERROR]: /config/menu4.json not found!");
while (1)
yield(); // Stop!
}
if (!checkfile("/config/menu5.json"))
{
Serial.println("[ERROR]: /config/menu5.json not found!");
while (1)
yield(); // Stop!
}
// After checking the config files exist, actually load them
if(!loadConfig("general")){
Serial.println("[WARNING]: general.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset general'.");
jsonfilefail = "general";
pageNum = 10;
}
// Setup PWM channel for Piezo speaker
#ifdef speakerPin
ledcSetup(2, 500, 8);
if(generalconfig.beep){
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 600);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 800);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 1200);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
}
#endif // defined(speakerPin)
if(!loadConfig("homescreen")){
Serial.println("[WARNING]: homescreen.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset homescreen'.");
jsonfilefail = "homescreen";
pageNum = 10;
}
if(!loadConfig("menu1")){
Serial.println("[WARNING]: menu1.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset menu1'.");
jsonfilefail = "menu1";
pageNum = 10;
}
if(!loadConfig("menu2")){
Serial.println("[WARNING]: menu2.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset menu2'.");
jsonfilefail = "menu2";
pageNum = 10;
}
if(!loadConfig("menu3")){
Serial.println("[WARNING]: menu3.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset menu3'.");
jsonfilefail = "menu3";
pageNum = 10;
}
if(!loadConfig("menu4")){
Serial.println("[WARNING]: menu4.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset menu4'.");
jsonfilefail = "menu4";
pageNum = 10;
}
if(!loadConfig("menu5")){
Serial.println("[WARNING]: menu5.json seems to be corrupted!");
Serial.println("[WARNING]: To reset to default type 'reset menu5'.");
jsonfilefail = "menu5";
pageNum = 10;
}
Serial.println("[INFO]: All configs loaded");
strcpy(generallogo.homebutton, "/logos/home.bmp");
strcpy(generallogo.configurator, "/logos/wifi.bmp");
Serial.println("[INFO]: General logos loaded.");
// Setup the Font used for plain text
tft.setFreeFont(LABEL_FONT);
//------------------BLE Initialization ------------------------------------------------------------------------
#if defined(USEUSBHID)
// initialize control over the keyboard:
bleKeyboard.begin();
USB.begin();
#else
Serial.println("[INFO]: Starting BLE");
bleKeyboard.begin();
#endif //if defined(USEUSBHID)
// ---------------- Printing version numbers -----------------------------------------------
#if defined(USEUSBHID)
Serial.println("[INFO]: Using USB Keyboard");
#else
Serial.print("[INFO]: BLE Keyboard version: ");
Serial.println(BLE_KEYBOARD_VERSION);
#endif //if defined(USEUSBHID)
Serial.print("[INFO]: ArduinoJson version: ");
Serial.println(ARDUINOJSON_VERSION);
Serial.print("[INFO]: TFT_eSPI version: ");
Serial.println(TFT_ESPI_VERSION);
// ---------------- Start the first keypad -------------
// Draw background
tft.fillScreen(generalconfig.backgroundColour);
// Draw keypad
Serial.println("[INFO]: Drawing keypad");
drawKeypad();
#ifdef touchInterruptPin
if (generalconfig.sleepenable)
{
pinMode(touchInterruptPin, INPUT_PULLUP);
Interval = generalconfig.sleeptimer * 60000;
Serial.println("[INFO]: Sleep enabled.");
Serial.print("[INFO]: Sleep timer = ");
Serial.print(generalconfig.sleeptimer);
Serial.println(" minutes");
islatched[28] = 1;
}
#endif // defined(touchInterruptPin)
Serial.println("[INFO]: Boot completed and successful!");
}
//--------------------- LOOP ---------------------------------------------------------------------
void loop(void)
{
// Check if there is data available on the serial input that needs to be handled.
if (Serial.available())
{
String command = Serial.readStringUntil(' ');
if (command == "cal")
{
FILESYSTEM.remove(CALIBRATION_FILE);
ESP.restart();
}
else if (command == "setssid")
{
String value = Serial.readString();
if (saveWifiSSID(value))
{
Serial.printf("[INFO]: Saved new SSID: %s\n", value.c_str());
loadMainConfig();
Serial.println("[INFO]: New configuration loaded");
}
}
else if (command == "setpassword")
{
String value = Serial.readString();
if (saveWifiPW(value))
{
Serial.printf("[INFO]: Saved new Password: %s\n", value.c_str());
loadMainConfig();
Serial.println("[INFO]: New configuration loaded");
}
}
else if (command == "setwifimode")
{
String value = Serial.readString();
if (saveWifiMode(value))
{
Serial.printf("[INFO]: Saved new WiFi Mode: %s\n", value.c_str());
loadMainConfig();
Serial.println("[INFO]: New configuration loaded");
}
}
else if (command == "restart")
{
Serial.println("[WARNING]: Restarting");
ESP.restart();
}
else if (command == "reset")
{
String file = Serial.readString();
Serial.printf("[INFO]: Resetting %s.json now\n", file.c_str());
resetconfig(file);
}
else if(command == "menu1" && pageNum !=1 && pageNum != 7)
{
pageNum = 1;
drawKeypad();
Serial.println("Auto Switched to Menu 1");
}
else if(command == "menu2" && pageNum !=2 && pageNum != 7)
{
pageNum = 2;
drawKeypad();
Serial.println("Auto Switched to Menu 2");
}
else if(command == "menu3" && pageNum !=3 && pageNum != 7)
{
pageNum = 3;
drawKeypad();
Serial.println("Auto Switched to Menu 3");
}
else if(command == "menu4" && pageNum !=4 && pageNum != 7)
{
pageNum = 4;
drawKeypad();
Serial.println("Auto Switched to Menu 4");
}
else if(command == "menu5" && pageNum !=5 && pageNum != 7)
{
pageNum = 5;
drawKeypad();
Serial.println("Auto Switched to Menu 5");
}
}
if (pageNum == 7)
{
uint16_t t_x = 0, t_y = 0;
boolean pressed = false;
// If pageNum = 7, we are in STA or AP mode.
// We no check if the button is pressed, and if so restart.
#ifdef USECAPTOUCH
if (ts.touched())
{
// Retrieve a point
TS_Point p = ts.getPoint();
//Flip things around so it matches our screen rotation
p.x = map(p.x, 0, 320, 320, 0);
t_y = p.x;
t_x = p.y;
pressed = true;
}
#else
pressed = tft.getTouch(&t_x, &t_y);
#endif // defined(USECAPTOUCH)
if (pressed)
{
// If pressed check if the touch falls within the restart button
// drawSingleButton(140, 180, 200, 80, generalconfig.menuButtonColour, TFT_WHITE, "Restart");
if (t_x > 140 && t_x < 340){
if (t_y > 180 && t_y < 260){
// Touch falls within the boundaries of our button so we restart
Serial.println("[WARNING]: Restarting");
ESP.restart();
}
}
}
}
else if (pageNum == 8)
{
if (!displayinginfo)
{
printinfo();
}
uint16_t t_x = 0, t_y = 0;
//At the beginning of a new loop, make sure we do not use last loop's touch.
boolean pressed = false;
#ifdef USECAPTOUCH
if (ts.touched())
{
// Retrieve a point
TS_Point p = ts.getPoint();
//Flip things around so it matches our screen rotation
p.x = map(p.x, 0, 320, 320, 0);
t_y = p.x;
t_x = p.y;
pressed = true;
}
#else
pressed = tft.getTouch(&t_x, &t_y);
#endif // defined(USECAPTOUCH)
if (pressed)
{
displayinginfo = false;
pageNum = 6;
tft.fillScreen(generalconfig.backgroundColour);
drawKeypad();
}
}
else if (pageNum == 9)
{
// We were unable to connect to WiFi. Waiting for touch to get back to the settings menu.
uint16_t t_x = 0, t_y = 0;
//At the beginning of a new loop, make sure we do not use last loop's touch.
boolean pressed = false;
#ifdef USECAPTOUCH
if (ts.touched())
{
// Retrieve a point
TS_Point p = ts.getPoint();
//Flip things around so it matches our screen rotation
p.x = map(p.x, 0, 320, 320, 0);
t_y = p.x;
t_x = p.y;
pressed = true;
}
#else
pressed = tft.getTouch(&t_x, &t_y);
#endif // defined(USECAPTOUCH)
if (pressed)
{
// Return to Settings page
displayinginfo = false;
pageNum = 6;
tft.fillScreen(generalconfig.backgroundColour);
drawKeypad();
}
}
else if (pageNum == 10)
{
// A JSON file failed to load. We are drawing an error message. And waiting for a touch.
uint16_t t_x = 0, t_y = 0;
//At the beginning of a new loop, make sure we do not use last loop's touch.
boolean pressed = false;
#ifdef USECAPTOUCH
if (ts.touched())
{
// Retrieve a point
TS_Point p = ts.getPoint();
//Flip things around so it matches our screen rotation
p.x = map(p.x, 0, 320, 320, 0);
t_y = p.x;
t_x = p.y;
pressed = true;
}
#else
pressed = tft.getTouch(&t_x, &t_y);
#endif // defined(USECAPTOUCH)
if (pressed)
{
// Load home screen
displayinginfo = false;
pageNum = 0;
tft.fillScreen(generalconfig.backgroundColour);
drawKeypad();
}
}
else
{
// Check if sleep is enabled and if our timer has ended.
#ifdef touchInterruptPin
if (generalconfig.sleepenable)
{
if (millis() > previousMillis + Interval)
{
// The timer has ended and we are going to sleep .
tft.fillScreen(TFT_BLACK);
Serial.println("[INFO]: Going to sleep.");
#ifdef speakerPin
if(generalconfig.beep){
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 1200);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 800);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
ledcAttachPin(speakerPin, 2);
ledcWriteTone(2, 600);
delay(150);
ledcDetachPin(speakerPin);
ledcWrite(2, 0);
}
#endif // defined(speakerPin)
Serial.println("[INFO]: Saving latched states");
// You could uncomment this to see the latch stated before going to sleep
// for(int i = 0; i < sizeof(islatched); i++){
//
// Serial.print(islatched[i]);
//
// }
// Serial.println("");
savedStates.putBytes("latched", &islatched, sizeof(islatched));
esp_sleep_enable_ext0_wakeup(touchInterruptPin, 0);
esp_deep_sleep_start();
}
}
#endif // defined(touchInterruptPin)
// Touch coordinates are stored here
uint16_t t_x = 0, t_y = 0;
//At the beginning of a new loop, make sure we do not use last loop's touch.
boolean pressed = false;
#ifdef USECAPTOUCH
if (ts.touched())
{
// Retrieve a point
TS_Point p = ts.getPoint();
//Flip things around so it matches our screen rotation
p.x = map(p.x, 0, 320, 320, 0);
t_y = p.x;
t_x = p.y;
pressed = true;
}
#else
pressed = tft.getTouch(&t_x, &t_y);
#endif // defined(USECAPTOUCH)
// Check if the X and Y coordinates of the touch are within one of our buttons
for (uint8_t b = 0; b < 6; b++)
{
if (pressed && key[b].contains(t_x, t_y))
{
key[b].press(true); // tell the button it is pressed
// After receiving a valid touch reset the sleep timer
previousMillis = millis();
}
else
{
key[b].press(false); // tell the button it is NOT pressed
}
}
// Check if any key has changed state
for (uint8_t b = 0; b < 6; b++)
{
if (key[b].justReleased())
{