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https://github.com/ByteWelder/Tactility.git
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65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
#include "Display.h"
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#include "Ili9881cDisplay.h"
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#include <Gt911Touch.h>
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#include <PwmBacklight.h>
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#include <Tactility/Logger.h>
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#include <Tactility/Mutex.h>
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#include <Tactility/hal/gpio/Gpio.h>
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constexpr auto LCD_PIN_RESET = GPIO_NUM_0; // Match P4 EV board reset line
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constexpr auto LCD_PIN_BACKLIGHT = GPIO_NUM_22;
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static std::shared_ptr<tt::hal::touch::TouchDevice> createTouch() {
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auto configuration = std::make_unique<Gt911Touch::Configuration>(
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I2C_NUM_0,
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720,
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1280,
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false, // swapXY
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false, // mirrorX
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false, // mirrorY
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GPIO_NUM_NC, // reset pin
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GPIO_NUM_NC // "GPIO_NUM_23 cannot be used due to resistor to 3V3" https://github.com/espressif/esp-bsp/blob/ad668c765cbad177495a122181df0a70ff9f8f61/bsp/m5stack_tab5/src/m5stack_tab5.c#L76234
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);
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return std::make_shared<Gt911Touch>(std::move(configuration));
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}
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std::shared_ptr<tt::hal::display::DisplayDevice> createDisplay() {
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// Initialize PWM backlight
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if (!driver::pwmbacklight::init(LCD_PIN_BACKLIGHT, 5000, LEDC_TIMER_1, LEDC_CHANNEL_0)) {
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tt::Logger("Tab5").warn("Failed to initialize backlight");
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}
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auto touch = createTouch();
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// Work-around to init touch : interrupt pin must be set to low
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// Note: There is a resistor to 3V3 on interrupt pin which is blocking GT911 touch
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// See https://github.com/espressif/esp-bsp/blob/ad668c765cbad177495a122181df0a70ff9f8f61/bsp/m5stack_tab5/src/m5stack_tab5.c#L777
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tt::hal::gpio::configure(23, tt::hal::gpio::Mode::Output, true, false);
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tt::hal::gpio::setLevel(23, false);
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auto configuration = std::make_shared<EspLcdConfiguration>(EspLcdConfiguration {
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.horizontalResolution = 720,
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.verticalResolution = 1280,
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.gapX = 0,
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.gapY = 0,
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.monochrome = false,
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.swapXY = false,
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.mirrorX = false,
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.mirrorY = false,
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.invertColor = false,
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.bufferSize = 0, // 0 = default (1/10 of screen)
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.touch = touch,
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.backlightDutyFunction = driver::pwmbacklight::setBacklightDuty,
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.resetPin = LCD_PIN_RESET,
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.lvglColorFormat = LV_COLOR_FORMAT_RGB565,
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.lvglSwapBytes = false,
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.rgbElementOrder = LCD_RGB_ELEMENT_ORDER_RGB,
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.bitsPerPixel = 16
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});
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const auto display = std::make_shared<Ili9881cDisplay>(configuration);
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return std::static_pointer_cast<tt::hal::display::DisplayDevice>(display);
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}
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