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https://github.com/Xinyuan-LilyGO/TTGO-T-Display.git
synced 2024-09-21 09:57:27 +00:00
Add SD card to demonstrate how to use the second SPI device
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@ -20,11 +20,11 @@
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#define TFT_DC 16
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#define TFT_RST 23
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#define TFT_BL 4 // Display backlight control pin
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#define ADC_EN 14 //ADC_EN is the ADC detection enable port
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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 TFT_BL 4 // Display backlight control pin
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#define ADC_EN 14 //ADC_EN is the ADC detection enable port
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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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TFT_eSPI tft = TFT_eSPI(135, 240); // Invoke custom library
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Button2 btn1(BUTTON_1);
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@ -34,6 +34,47 @@ char buff[512];
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int vref = 1100;
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int btnCick = false;
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#define ENABLE_SPI_SDCARD
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//Uncomment will use SDCard, this is just a demonstration,
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//how to use the second SPI
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#ifdef ENABLE_SPI_SDCARD
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#include "FS.h"
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#include "SD.h"
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#include <SPI.h>
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SPIClass SPI1(HSPI);
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#define MY_CS 33
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#define MY_SCLK 25
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#define MY_MISO 27
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#define MY_MOSI 26
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void setupSDCard()
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{
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SPI1.begin(MY_SCLK, MY_MISO, MY_MOSI, MY_CS);
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//Assuming use of SPI SD card
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if (!SD.begin(MY_CS, SPI1)) {
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Serial.println("Card Mount Failed");
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tft.setTextColor(TFT_RED);
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tft.drawString("SDCard Mount FAIL", tft.width() / 2, tft.height() / 2 - 32);
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tft.setTextColor(TFT_GREEN);
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} else {
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tft.setTextColor(TFT_GREEN);
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Serial.println("SDCard Mount PASS");
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tft.drawString("SDCard Mount PASS", tft.width() / 2, tft.height() / 2 - 48);
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String size = String((uint32_t)(SD.cardSize() / 1024 / 1024)) + "MB";
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tft.drawString(size, tft.width() / 2, tft.height() / 2 - 32);
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}
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}
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#else
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#define setupSDCard()
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#endif
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void wifi_scan();
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//! Long time delay, it is recommended to use shallow sleep, which can effectively reduce the current consumption
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void espDelay(int ms)
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{
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@ -151,8 +192,8 @@ void setup()
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tft.setTextDatum(MC_DATUM);
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tft.setTextSize(1);
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if (TFT_BL > 0) { // TFT_BL has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
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pinMode(TFT_BL, OUTPUT); // Set backlight pin to output mode
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if (TFT_BL > 0) { // TFT_BL has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
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pinMode(TFT_BL, OUTPUT); // Set backlight pin to output mode
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digitalWrite(TFT_BL, TFT_BACKLIGHT_ON); // Turn backlight on. TFT_BACKLIGHT_ON has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
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}
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@ -160,6 +201,7 @@ void setup()
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tft.pushImage(0, 0, 240, 135, ttgo);
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espDelay(5000);
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tft.setRotation(0);
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tft.fillScreen(TFT_RED);
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espDelay(1000);
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@ -182,8 +224,13 @@ void setup()
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Serial.println("Default Vref: 1100mV");
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}
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tft.fillScreen(TFT_BLACK);
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tft.setTextDatum(MC_DATUM);
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setupSDCard();
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tft.drawString("LeftButton:", tft.width() / 2, tft.height() / 2 - 16);
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tft.drawString("[WiFi Scan]", tft.width() / 2, tft.height() / 2 );
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tft.drawString("RightButton:", tft.width() / 2, tft.height() / 2 + 16);
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