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lcd: support multi framebuffers for RGB LCD driver

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This commit is contained in:
morris
2022-11-25 17:58:58 +08:00
parent 22b82efbe5
commit 698fd7abb3
5 changed files with 73 additions and 42 deletions
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10
examples/peripherals/lcd/rgb_panel/main/rgb_lcd_example_main.c
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@@ -52,6 +52,12 @@ static const char *TAG = "example";
#define EXAMPLE_LCD_H_RES 800
#define EXAMPLE_LCD_V_RES 480
#if CONFIG_EXAMPLE_DOUBLE_FB
#define EXAMPLE_LCD_NUM_FB 2
#else
#define EXAMPLE_LCD_NUM_FB 1
#endif // CONFIG_EXAMPLE_DOUBLE_FB
#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
// we use two semaphores to sync the VSYNC event and the LVGL task, to avoid potential tearing effect
@@ -122,6 +128,7 @@ void app_main(void)
esp_lcd_rgb_panel_config_t panel_config = {
.data_width = 16, // RGB565 in parallel mode, thus 16bit in width
.psram_trans_align = 64,
.num_fbs = EXAMPLE_LCD_NUM_FB,
#if CONFIG_EXAMPLE_USE_BOUNCE_BUFFER
.bounce_buffer_size_px = 10 * EXAMPLE_LCD_H_RES,
#endif
@@ -163,9 +170,6 @@ void app_main(void)
.flags.pclk_active_neg = true,
},
.flags.fb_in_psram = true, // allocate frame buffer in PSRAM
#if CONFIG_EXAMPLE_DOUBLE_FB
.flags.double_fb = true, // allocate double frame buffer
#endif // CONFIG_EXAMPLE_DOUBLE_FB
};
ESP_ERROR_CHECK(esp_lcd_new_rgb_panel(&panel_config, &panel_handle));