03c4441bb0
* DisplayInterface now is for hardware display only * UIInterface is the general interface for UI
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
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#include "display.hpp"
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Display* Display::getInstance()
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{
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if (instance == nullptr)
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{
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instance = new Display();
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}
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return instance;
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}
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void Display::setup(int backlight_pin, int enable_pin)
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{
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this->enable_pin = enable_pin;
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this->backlight_pin = backlight_pin;
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pinMode(this->enable_pin, OUTPUT);
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digitalWrite(this->enable_pin, HIGH);
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pinMode(this->backlight_pin, OUTPUT);
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digitalWrite(this->backlight_pin, HIGH);
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this->tft = TFT_eSPI();
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ledcSetup(LCD_BACKLIGHT_LEDC_CHANNEL, LCD_BACKLIGHT_LEDC_FREQUENCY, LCD_BACKLIGHT_LEDC_BIT_RESOLUTION);
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ledcAttachPin(this->backlight_pin, LCD_BACKLIGHT_LEDC_CHANNEL);
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ledcWrite(LCD_BACKLIGHT_LEDC_CHANNEL, 0);
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this->tft.init();
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this->tft.initDMA();
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this->tft.setRotation(0);
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this->tft.fillScreen(TFT_BLACK);
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this->tft.setSwapBytes(true);
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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->enable_pin, HIGH); // LCD Logic off
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delayMicroseconds(1);
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digitalWrite(this->enable_pin, LOW); // LCD Logic on
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}
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}
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void Display::pushPixel(uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint16_t* pixel_values)
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{
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this->tft.startWrite();
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this->tft.setAddrWindow( x, y, w, h );
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this->tft.pushPixelsDMA(pixel_values, w * h);
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this->tft.endWrite();
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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->backlight_pin, HIGH);
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digitalWrite(this->enable_pin, HIGH);
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pinMode(this->backlight_pin, INPUT);
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pinMode(this->enable_pin, INPUT);
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gpio_hold_en((gpio_num_t) this->backlight_pin);
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gpio_hold_en((gpio_num_t) this->enable_pin);
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}
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