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README.MD
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README.MD
@ -2,11 +2,8 @@
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![image](https://github.com/Xinyuan-LilyGO/TTGO-T-Display/blob/master/image/pinmap.jpg)
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## 1.Install the following dependency library files:
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**The following two libraries are not original branches, they are my modified branches.**
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- [TFT_eSPI](https://github.com/lewisxhe/TFT_eSPI)
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- [Button2](https://github.com/lewisxhe/Button2)
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- [TFT_eSPI](https://github.com/Bodmer/TFT_eSPI)
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- [Button2](https://github.com/LennartHennigs/Button2)
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## 2.TFT_eSPI settings
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@ -31,3 +28,6 @@
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| BUTTON1 | 35 |
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| BUTTON2 | 0 |
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| ADC Power | 14 |
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2019/08/06:
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* The TFT_eSPI and Button2 libraries have been synchronized to the main branch
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#include <Wire.h>
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#include <Button2.h>
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#include "esp_adc_cal.h"
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#include <Ticker.h>
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#include "bmp.h"
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#ifndef TFT_DISPOFF
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#define TFT_DISPOFF 0x28
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#endif
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#ifndef TFT_SLPIN
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#define TFT_SLPIN 0x10
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#endif
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#define TFT_MOSI 19
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#define TFT_SCLK 18
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#define TFT_CS 5
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@ -18,16 +25,14 @@
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#define ADC_PIN 34
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#define BUTTON_1 35
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#define BUTTON_2 0
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#define BUTTONS_MAP {BUTTON_1,BUTTON_2}
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TFT_eSPI tft = TFT_eSPI(135, 240); // Invoke custom library
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Button2 btn1(BUTTON_1);
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Button2 btn2(BUTTON_2);
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Button2 *pBtns = nullptr;
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uint8_t g_btns[] = BUTTONS_MAP;
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char buff[512];
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int vref = 1100;
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int btnCick = false;
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Ticker tick;
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void showVoltage()
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{
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@ -46,11 +51,7 @@ void showVoltage()
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void button_init()
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{
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uint8_t args = sizeof(g_btns) / sizeof(g_btns[0]);
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pBtns = new Button2 [args];
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pBtns[0] = Button2(g_btns[0]);
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pBtns[1] = Button2(g_btns[1]);
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pBtns[0].setLongClickHandler([](Button2 & b) {
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btn1.setLongClickHandler([](Button2 & b) {
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btnCick = false;
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int r = digitalRead(TFT_BL);
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tft.fillScreen(TFT_BLACK);
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@ -59,17 +60,18 @@ void button_init()
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tft.drawString("Press again to wake up", tft.width() / 2, tft.height() / 2 );
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delay(6000);
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digitalWrite(TFT_BL, !r);
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tft.writecommand(TFT_DISPOFF);
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tft.writecommand(TFT_SLPIN);
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esp_sleep_enable_ext1_wakeup(GPIO_SEL_35, ESP_EXT1_WAKEUP_ALL_LOW);
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esp_deep_sleep_start();
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});
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pBtns[0].setPressedHandler([](Button2 & b) {
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btn1.setPressedHandler([](Button2 & b) {
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Serial.println("Detect Voltage..");
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btnCick = true;
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});
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pBtns[1].setPressedHandler([](Button2 & b) {
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btn2.setPressedHandler([](Button2 & b) {
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btnCick = false;
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Serial.println("btn press wifi scan");
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wifi_scan();
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@ -78,9 +80,8 @@ void button_init()
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void button_loop()
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{
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for (int i = 0; i < sizeof(g_btns) / sizeof(g_btns[0]); ++i) {
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pBtns[i].loop();
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}
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btn1.loop();
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btn2.loop();
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}
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void wifi_scan()
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@ -123,23 +124,22 @@ void setup()
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Serial.println("Start");
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tft.init();
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tft.setRotation(0);
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tft.setRotation(1);
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tft.fillScreen(TFT_BLACK);
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tft.setTextSize(2);
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tft.setTextColor(TFT_WHITE);
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tft.setCursor(0, 0);
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tft.setTextDatum(MC_DATUM);
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tft.drawString("TTGO", tft.width() / 2, tft.height() / 2 );
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tft.setTextSize(1);
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if (TFT_BL > 0) {
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pinMode(TFT_BL, OUTPUT);
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digitalWrite(TFT_BL, HIGH);
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}
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tft.setRotation(1);
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tft.setSwapBytes(true);
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tft.pushImage(0, 0, 240, 135, ttgo);
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delay(5000);
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tft.setRotation(0);
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int i = 5;
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while (i--) {
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// ST7789 135 x 240 display with no chip select line
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#define ST7789_DRIVER // Configure all registers
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#define TFT_WIDTH 135
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#define TFT_HEIGHT 240
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#define ST7789_DRIVER
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#define CGRAM_OFFSET // Library will add offsets required
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// #define TFT_RGB_ORDER TFT_RGB // Colour order Red-Green-Blue
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//#define TFT_RGB_ORDER TFT_BGR // Colour order Blue-Green-Red
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//#define TFT_INVERSION_ON
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//#define TFT_INVERSION_OFF
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// DSTIKE stepup
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//#define TFT_DC 23
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//#define TFT_RST 32
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//#define TFT_MOSI 26
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//#define TFT_SCLK 27
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// Generic ESP32 setup
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#define TFT_MISO -1
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#define TFT_MOSI 19
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#define TFT_SCLK 18
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#define TFT_CS 5
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#define TFT_CS 5 // Not connected
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#define TFT_DC 16
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#define TFT_RST 23
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#define TFT_RST 23 // Connect reset to ensure display initialises
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// Non-standard screen, need to add XY coordinate offset
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#define TTGO_114_INC_DISPLAY
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// For NodeMCU - use pin numbers in the form PIN_Dx where Dx is the NodeMCU pin designation
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// #define TFT_CS -1 // Define as not used
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// #define TFT_DC PIN_D1 // Data Command control pin
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//#define TFT_RST PIN_D4 // TFT reset pin (could connect to NodeMCU RST, see next line)
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// #define TFT_RST -1 // TFT reset pin connect to NodeMCU RST, must also then add 10K pull down to TFT SCK
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// #define SPI_FREQUENCY 1000000
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// #define SPI_FREQUENCY 5000000
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// #define SPI_FREQUENCY 10000000
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// #define SPI_FREQUENCY 20000000
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// #define SPI_FREQUENCY 27000000 // Actually sets it to 26.67MHz = 80/3
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// #define SPI_FREQUENCY 40000000 // Maximum to use SPIFFS
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#define SPI_FREQUENCY 80000000
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#define LOAD_GLCD // Font 1. Original Adafruit 8 pixel font needs ~1820 bytes in FLASH
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#define LOAD_FONT2 // Font 2. Small 16 pixel high font, needs ~3534 bytes in FLASH, 96 characters
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#define LOAD_FONT6 // Font 6. Large 48 pixel font, needs ~2666 bytes in FLASH, only characters 1234567890:-.apm
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#define LOAD_FONT7 // Font 7. 7 segment 48 pixel font, needs ~2438 bytes in FLASH, only characters 1234567890:.
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#define LOAD_FONT8 // Font 8. Large 75 pixel font needs ~3256 bytes in FLASH, only characters 1234567890:-.
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//#define LOAD_FONT8N // Font 8. Alternative to Font 8 above, slightly narrower, so 3 digits fit a 160 pixel TFT
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#define LOAD_GFXFF // FreeFonts. Include access to the 48 Adafruit_GFX free fonts FF1 to FF48 and custom fonts
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#define SMOOTH_FONT
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// #define SPI_FREQUENCY 27000000
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#define SPI_FREQUENCY 40000000
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#define SPI_READ_FREQUENCY 20000000
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#define SPI_TOUCH_FREQUENCY 2500000
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// #define SUPPORT_TRANSACTIONS
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