53fa7b7c87
* HardwareAbstract debug print function now uses VA_LIST * Added wifi handling UI * Notification items currently part of hardware abstract
116 lines
No EOL
3.3 KiB
C++
116 lines
No EOL
3.3 KiB
C++
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#include "display.hpp"
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#include "omoteconfig.h"
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#include "Wire.h"
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std::shared_ptr<Display> Display::getInstance(std::shared_ptr<HardwareAbstract> aHardware)
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{
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if (DisplayAbstract::mInstance == nullptr)
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{
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DisplayAbstract::mInstance = std::shared_ptr<Display>(new Display(LCD_EN, LCD_BL, aHardware));
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}
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return std::static_pointer_cast<Display>(mInstance);
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}
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Display::Display(int backlight_pin, int enable_pin, std::shared_ptr<HardwareAbstract> aHardware): DisplayAbstract(),
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mBacklightPin(backlight_pin),
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mEnablePin(enable_pin),
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tft(TFT_eSPI()),
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touch(Adafruit_FT6206()),
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mHardware(aHardware)
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{
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pinMode(mEnablePin, OUTPUT);
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digitalWrite(mEnablePin, HIGH);
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pinMode(mBacklightPin, OUTPUT);
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digitalWrite(mBacklightPin, HIGH);
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ledcSetup(LCD_BACKLIGHT_LEDC_CHANNEL, LCD_BACKLIGHT_LEDC_FREQUENCY, LCD_BACKLIGHT_LEDC_BIT_RESOLUTION);
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ledcAttachPin(mBacklightPin, LCD_BACKLIGHT_LEDC_CHANNEL);
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ledcWrite(LCD_BACKLIGHT_LEDC_CHANNEL, 0);
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setupTFT();
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// Slowly charge the VSW voltage to prevent a brownout
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// Workaround for hardware rev 1!
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for(int i = 0; i < 100; i++){
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digitalWrite(this->mEnablePin, HIGH); // LCD Logic off
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delayMicroseconds(1);
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digitalWrite(this->mEnablePin, LOW); // LCD Logic on
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}
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setupTouchScreen();
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}
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void Display::onTouch(Notification<TS_Point>::HandlerTy aTouchHandler){
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mTouchEvent.onNotify(std::move(aTouchHandler));
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}
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void Display::setupTFT() {
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tft.init();
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tft.initDMA();
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tft.setRotation(0);
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tft.fillScreen(TFT_BLACK);
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tft.setSwapBytes(true);
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}
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void Display::setupTouchScreen(){
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// Configure i2c pins and set frequency to 400kHz
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Wire.begin(SDA, SCL, 400000);
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touch.begin(128); // Initialize touchscreen and set sensitivity threshold
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}
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void Display::setBrightness(uint8_t brigthness)
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{
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ledcWrite(LCD_BACKLIGHT_LEDC_CHANNEL, brigthness);
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}
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void Display::turnOff()
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{
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digitalWrite(this->mBacklightPin, HIGH);
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digitalWrite(this->mEnablePin, HIGH);
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pinMode(this->mBacklightPin, INPUT);
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pinMode(this->mEnablePin, INPUT);
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gpio_hold_en((gpio_num_t) mBacklightPin);
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gpio_hold_en((gpio_num_t) mEnablePin);
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}
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void Display::screenInput(lv_indev_drv_t *indev_driver, lv_indev_data_t *data){
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// int16_t touchX, touchY;
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touchPoint = touch.getPoint();
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int16_t touchX = touchPoint.x;
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int16_t touchY = touchPoint.y;
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bool touched = false;
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if ((touchX > 0) || (touchY > 0)) {
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touched = true;
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mTouchEvent.notify(touchPoint);
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}
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if (!touched) {
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data->state = LV_INDEV_STATE_REL;
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} else {
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data->state = LV_INDEV_STATE_PR;
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// Set the coordinates
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data->point.x = SCREEN_WIDTH - touchX;
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data->point.y = SCREEN_HEIGHT - touchY;
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// Serial.print( "touchpoint: x" );
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// Serial.print( touchX );
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// Serial.print( " y" );
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// Serial.println( touchY );
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// tft.drawFastHLine(0, screenHeight - touchY, screenWidth, TFT_RED);
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// tft.drawFastVLine(screenWidth - touchX, 0, screenHeight, TFT_RED);
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}
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}
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void Display::flushDisplay(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p) {
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uint32_t w = (area->x2 - area->x1 + 1);
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uint32_t h = (area->y2 - area->y1 + 1);
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tft.startWrite();
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tft.setAddrWindow(area->x1, area->y1, w, h);
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tft.pushPixelsDMA((uint16_t *)&color_p->full, w * h);
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tft.endWrite();
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lv_disp_flush_ready(disp);
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} |