Yilin Sun
541b76d79a
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continuous-integration/drone/push Build is passing
Signed-off-by: Yilin Sun <imi415@imi.moe>
121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
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/* FreeRTOS */
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#include "FreeRTOS.h"
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#include "semphr.h"
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#include "task.h"
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/* LVGL */
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#include "lvgl.h"
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/* LCD */
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#include "epd-spi/panel/lcd_tk0096f611.h"
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/* App */
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#include "app_lcd_impl.h"
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#include "app_lvgl.h"
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#define APP_LVGL_LCD_DIR LCD_ST7789_DIR_90
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#define APP_LVGL_LCD_BUF_SIZE (160 * 20)
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static lcd_st7789_t s_lcd = {
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.cb =
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{
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.write_command_cb = app_lcd_impl_write_command,
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.write_data_cb = app_lcd_impl_write_data,
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.delay_cb = app_lcd_impl_delay,
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},
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};
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static SemaphoreHandle_t s_lvgl_semphr = NULL;
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static uint16_t s_lcd_buffer[APP_LVGL_LCD_BUF_SIZE];
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static uint32_t app_lvgl_get_tick_cb(void);
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static void app_lvgl_lcd_flush_cb(lv_display_t *disp, const lv_area_t *area, uint8_t *px_map);
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static void app_lvgl_task(void *arguments);
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int app_lvgl_init(void) {
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s_lvgl_semphr = xSemaphoreCreateBinary();
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if (s_lvgl_semphr == NULL) {
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return -1;
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}
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xSemaphoreGive(s_lvgl_semphr);
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app_lcd_impl_init(NULL);
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lcd_st7789_init(&s_lcd, &lcd_tk0096_panel_config);
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lcd_st7789_set_direction(&s_lcd, APP_LVGL_LCD_DIR);
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lcd_st7789_set_pixel_format(&s_lcd, LCD_ST7789_RGB565);
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lcd_st7789_enable_display(&s_lcd, true);
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lv_init();
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lv_tick_set_cb(app_lvgl_get_tick_cb);
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uint16_t hor_res;
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uint16_t ver_res;
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if (s_lcd.direction == LCD_ST7789_DIR_0 || s_lcd.direction == LCD_ST7789_DIR_180) {
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hor_res = lcd_tk0096_panel_config.size_x;
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ver_res = lcd_tk0096_panel_config.size_y;
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} else {
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hor_res = lcd_tk0096_panel_config.size_y;
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ver_res = lcd_tk0096_panel_config.size_x;
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}
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lv_display_t *display = lv_display_create(hor_res, ver_res);
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lv_display_set_flush_cb(display, app_lvgl_lcd_flush_cb);
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lv_display_set_buffers(display, s_lcd_buffer, NULL, sizeof(s_lcd_buffer), LV_DISPLAY_RENDER_MODE_PARTIAL);
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if (xTaskCreate(app_lvgl_task, "LVGL", 2048, NULL, 3, NULL) != pdPASS) {
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lv_deinit();
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vSemaphoreDelete(s_lvgl_semphr);
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return -1;
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}
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return 0;
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}
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bool app_lvgl_lock(uint32_t timeout_ms) {
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if (xSemaphoreTake(s_lvgl_semphr, pdMS_TO_TICKS(timeout_ms)) != pdPASS) {
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return false;
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}
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return true;
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}
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void app_lvgl_unlock(void) {
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xSemaphoreGive(s_lvgl_semphr);
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}
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static uint32_t app_lvgl_get_tick_cb(void) {
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return xTaskGetTickCount();
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}
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static void app_lvgl_lcd_flush_cb(lv_display_t *disp, const lv_area_t *area, uint8_t *px_map) {
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epd_coord_t coord = {
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.x_start = area->x1,
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.x_end = area->x2,
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.y_start = area->y1,
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.y_end = area->y2,
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};
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lv_draw_sw_rgb565_swap(px_map, (area->x2 - area->x1 + 1) * (area->y2 - area->y1 + 1));
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lcd_st7789_load(&s_lcd, &coord, px_map);
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lv_display_flush_ready(disp);
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}
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static void app_lvgl_task(void *arguments) {
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for (;;) {
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if (app_lvgl_lock(portMAX_DELAY)) {
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lv_task_handler();
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app_lvgl_unlock();
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}
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vTaskDelay(pdMS_TO_TICKS(5));
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}
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} |