#include "devices/Display.h" #include "devices/SdCard.h" #include #include #include #include #include static bool initBoot() { if (!driver::pwmbacklight::init(LCD_PIN_BACKLIGHT)) { return false; } // Set the RGB LED Pins to output and turn them off ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_4, GPIO_MODE_OUTPUT)); // Red ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_16, GPIO_MODE_OUTPUT)); // Green ESP_ERROR_CHECK(gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT)); // Blue // 0 on, 1 off ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_4, 1)); // Red ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_16, 1)); // Green ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_17, 1)); // Blue // This display has a weird glitch with gamma during boot, which results in uneven dark gray colours. // Setting gamma curve index to 0 doesn't work at boot for an unknown reason, so we set the curve index to 1: tt::kernel::subscribeSystemEvent(tt::kernel::SystemEvent::BootSplash, [](auto) { auto display = tt::hal::findFirstDevice(tt::hal::Device::Type::Display); assert(display != nullptr); tt::lvgl::lock(portMAX_DELAY); display->setGammaCurve(1U); tt::lvgl::unlock(); }); return true; } static tt::hal::DeviceVector createDevices() { return { createDisplay(), createSdCard() }; } extern const tt::hal::Configuration hardwareConfiguration = { .initBoot = initBoot, .createDevices = createDevices };