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112 lines
2.8 KiB
112 lines
2.8 KiB
2 years ago
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#include "lvgl_task.hpp"
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#include <dirent.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <cstddef>
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#include <cstdint>
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#include <memory>
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#include "core/lv_disp.h"
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#include "core/lv_obj.h"
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#include "core/lv_obj_pos.h"
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#include "core/lv_obj_tree.h"
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#include "esp_log.h"
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#include "font/lv_font.h"
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#include "freertos/portmacro.h"
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#include "freertos/projdefs.h"
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#include "freertos/timers.h"
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#include "hal/gpio_types.h"
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#include "hal/spi_types.h"
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#include "lvgl/lvgl.h"
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#include "misc/lv_color.h"
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#include "misc/lv_style.h"
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#include "misc/lv_timer.h"
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#include "widgets/lv_label.h"
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#include "display.hpp"
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#include "display_init.hpp"
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#include "gpio_expander.hpp"
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namespace ui {
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static const char* kTag = "lv_task";
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auto tick_hook(TimerHandle_t xTimer) -> void {
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lv_tick_inc(1);
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}
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struct LvglArgs {
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drivers::GpioExpander* gpio_expander;
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std::atomic<bool>* quit;
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};
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void LvglMain(void* voidArgs) {
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LvglArgs* args = (LvglArgs*)voidArgs;
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drivers::GpioExpander* gpio_expander = args->gpio_expander;
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std::atomic<bool>* quit = args->quit;
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// Dispose of the args now that we've gotten everything out of them.
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delete args;
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{
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ESP_LOGI(kTag, "init lvgl");
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lv_init();
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// LVGL has been initialised, so we can now start reporting ticks to it.
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TimerHandle_t tick_timer =
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xTimerCreate("lv_tick", pdMS_TO_TICKS(1), pdTRUE, NULL, &tick_hook);
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ESP_LOGI(kTag, "init display");
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std::unique_ptr<drivers::Display> display =
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drivers::Display::create(gpio_expander, drivers::displays::kST7735R);
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lv_style_t style;
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lv_style_init(&style);
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lv_style_set_text_color(&style, LV_COLOR_MAKE(0xFF, 0, 0));
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// TODO: find a nice bitmap font for this display size and density.
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// lv_style_set_text_font(&style, &lv_font_montserrat_24);
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auto label = lv_label_create(NULL);
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lv_label_set_text(label, "COLOURS!!");
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lv_obj_add_style(label, &style, 0);
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lv_obj_center(label);
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lv_scr_load(label);
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while (!quit->load()) {
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lv_timer_handler();
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vTaskDelay(pdMS_TO_TICKS(10));
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}
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// TODO(robin? daniel?): De-init the UI stack here.
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lv_obj_del(label);
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lv_style_reset(&style);
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xTimerDelete(tick_timer, portMAX_DELAY);
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lv_deinit();
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}
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vTaskDelete(NULL);
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}
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static const size_t kLvglStackSize = 8 * 1024;
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static StaticTask_t sLvglTaskBuffer = {};
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static StackType_t sLvglStack[kLvglStackSize] = {0};
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auto StartLvgl(drivers::GpioExpander* gpios,
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std::atomic<bool>* quit,
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TaskHandle_t* handle) -> bool {
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LvglArgs* args = new LvglArgs();
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args->gpio_expander = gpios;
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args->quit = quit;
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return xTaskCreateStaticPinnedToCore(&LvglMain, "LVGL", kLvglStackSize,
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reinterpret_cast<void*>(args), 1,
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sLvglStack, &sLvglTaskBuffer, 1);
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}
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} // namespace ui
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