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refactor(lcd): unify the color conversion API in RGB and DSI driver

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Also adopt the FourCC standard to describe color format.
See also
https://developer.espressif.com/blog/2025/04/esp-fourcc-introduction/
This commit is contained in:
morris
2025-11-07 11:08:43 +08:00
parent 3911e65523
commit dff7c452e6
23 changed files with 314 additions and 330 deletions
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components/esp_lcd/test_apps/rgb_lcd/CMakeLists.txt
+10 -1
View File
@@ -12,9 +12,18 @@ target_add_binary_data(rgb_lcd_panel_test.elf "resources/pictures/world.yuv" BIN
idf_build_get_property(elf EXECUTABLE)
if(CONFIG_COMPILER_DUMP_RTL_FILES)
# Collect RTL directories in a variable for readability. Join them
# with commas so they are passed as a single --rtl-dirs argument to the script.
set(LCD_RTL_DIRS
${CMAKE_BINARY_DIR}/esp-idf/esp_lcd
${CMAKE_BINARY_DIR}/esp-idf/hal
${CMAKE_BINARY_DIR}/esp-idf/esp_hal_lcd
)
string(JOIN "," LCD_RTL_DIRS_JOINED ${LCD_RTL_DIRS})
add_custom_target(check_test_app_sections ALL
COMMAND ${PYTHON} $ENV{IDF_PATH}/tools/ci/check_callgraph.py
--rtl-dirs ${CMAKE_BINARY_DIR}/esp-idf/esp_lcd/,${CMAKE_BINARY_DIR}/esp-idf/hal/
--rtl-dirs ${LCD_RTL_DIRS_JOINED}
--elf-file ${CMAKE_BINARY_DIR}/rgb_lcd_panel_test.elf
find-refs
--from-sections=.iram0.text
components/esp_lcd/test_apps/rgb_lcd/main/test_rgb_panel.c
+10 -10
View File
@@ -25,15 +25,15 @@
#define TEST_IMG_SIZE (100 * 100 * sizeof(uint16_t))
static esp_lcd_panel_handle_t test_rgb_panel_initialization(size_t data_width, size_t bpp, size_t bb_pixels, bool refresh_on_demand,
static esp_lcd_panel_handle_t test_rgb_panel_initialization(size_t data_width, lcd_color_format_t in_color_format, size_t bb_pixels, bool refresh_on_demand,
esp_lcd_rgb_panel_vsync_cb_t vsync_cb, void *user_data)
{
esp_lcd_panel_handle_t panel_handle = NULL;
esp_lcd_rgb_panel_config_t panel_config = {
.data_width = data_width,
.in_color_format = in_color_format,
.dma_burst_size = 64,
.bounce_buffer_size_px = bb_pixels,
.bits_per_pixel = bpp,
.clk_src = LCD_CLK_SRC_DEFAULT,
.disp_gpio_num = TEST_LCD_DISP_EN_GPIO,
.pclk_gpio_num = TEST_LCD_PCLK_GPIO,
@@ -91,7 +91,7 @@ TEST_CASE("lcd_rgb_panel_stream_mode", "[lcd]")
TEST_ASSERT_NOT_NULL(img);
printf("initialize RGB panel with stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, false, NULL, NULL);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, false, NULL, NULL);
printf("flush random color block\r\n");
for (int i = 0; i < 200; i++) {
uint8_t color_byte = esp_random() & 0xFF;
@@ -113,7 +113,7 @@ TEST_CASE("lcd_rgb_panel_8bit_interface", "[lcd]")
printf("initialize RGB panel with stream mode\r\n");
// bpp for RGB888 is 24
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(8, 24, 0, false, NULL, NULL);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(8, LCD_COLOR_FMT_RGB888, 0, false, NULL, NULL);
uint8_t color_byte = esp_random() & 0xFF;
printf("flush random color block 0x%x\r\n", color_byte);
int x_start = esp_random() % (TEST_LCD_H_RES - 100);
@@ -141,7 +141,7 @@ TEST_CASE("lcd_rgb_panel_refresh_on_demand", "[lcd]")
TaskHandle_t cur_task = xTaskGetCurrentTaskHandle();
printf("initialize RGB panel with non-stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, true, test_rgb_panel_trans_done, cur_task);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, true, test_rgb_panel_trans_done, cur_task);
printf("flush random color block\r\n");
for (int i = 0; i < 200; i++) {
uint8_t color_byte = esp_random() & 0xFF;
@@ -166,7 +166,7 @@ TEST_CASE("lcd_rgb_panel_bounce_buffer", "[lcd]")
TaskHandle_t cur_task = xTaskGetCurrentTaskHandle();
printf("initialize RGB panel with non-stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 20 * TEST_LCD_H_RES, false, test_rgb_panel_trans_done, cur_task);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 20 * TEST_LCD_H_RES, false, test_rgb_panel_trans_done, cur_task);
printf("flush random color block\r\n");
for (int i = 0; i < 200; i++) {
uint8_t color_byte = esp_random() & 0xFF;
@@ -189,7 +189,7 @@ TEST_CASE("lcd_rgb_panel_update_pclk", "[lcd]")
TEST_ASSERT_NOT_NULL(img);
printf("initialize RGB panel with stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, false, NULL, NULL);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, false, NULL, NULL);
printf("flush one clock block to the LCD\r\n");
uint8_t color_byte = esp_random() & 0xFF;
int x_start = esp_random() % (TEST_LCD_H_RES - 100);
@@ -217,7 +217,7 @@ TEST_CASE("lcd_rgb_panel_restart", "[lcd]")
TEST_ASSERT_NOT_NULL(img);
printf("initialize RGB panel with stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, false, NULL, NULL);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, false, NULL, NULL);
printf("flush one clock block to the LCD\r\n");
uint8_t color_byte = esp_random() & 0xFF;
int x_start = esp_random() % (TEST_LCD_H_RES - 100);
@@ -247,7 +247,7 @@ TEST_CASE("lcd_rgb_panel_rotate", "[lcd]")
memset(img, color_byte, w * h * sizeof(uint16_t));
printf("initialize RGB panel with stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, false, NULL, NULL);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, false, NULL, NULL);
printf("Update the rotation of panel\r\n");
for (size_t i = 0; i < 8; i++) {
@@ -291,7 +291,7 @@ TEST_CASE("lcd_rgb_panel_iram_safe", "[lcd]")
uint32_t callback_calls = 0;
printf("initialize RGB panel with stream mode\r\n");
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, 16, 0, false, test_rgb_panel_count_in_callback, &callback_calls);
esp_lcd_panel_handle_t panel_handle = test_rgb_panel_initialization(16, LCD_COLOR_FMT_RGB565, 0, false, test_rgb_panel_count_in_callback, &callback_calls);
printf("flush one clock block to the LCD\r\n");
uint8_t color_byte = esp_random() & 0xFF;
int x_start = esp_random() % (TEST_LCD_H_RES - 100);
components/esp_lcd/test_apps/rgb_lcd/main/test_yuv_rgb_conv.c
+6 -15
View File
@@ -28,7 +28,8 @@ TEST_CASE("lcd_rgb_panel_yuv422_conversion", "[lcd]")
esp_lcd_rgb_panel_config_t panel_config = {
.data_width = 16,
.dma_burst_size = 64,
.bits_per_pixel = 16, // YUV422: 16bits per pixel
.in_color_format = LCD_COLOR_FMT_YUV422_UYVY,
.out_color_format = LCD_COLOR_FMT_RGB565,
.clk_src = LCD_CLK_SRC_DEFAULT,
.disp_gpio_num = TEST_LCD_DISP_EN_GPIO,
.pclk_gpio_num = TEST_LCD_PCLK_GPIO,
@@ -72,21 +73,11 @@ TEST_CASE("lcd_rgb_panel_yuv422_conversion", "[lcd]")
TEST_ESP_OK(esp_lcd_panel_reset(panel_handle));
printf("Set YUV-RGB conversion profile\r\n");
esp_lcd_yuv_conv_config_t conv_config = {
.std = LCD_YUV_CONV_STD_BT601,
.src = {
.color_range = LCD_COLOR_RANGE_FULL,
.color_space = LCD_COLOR_SPACE_RGB,
},
.dst = {
.color_range = LCD_COLOR_RANGE_FULL,
.color_space = LCD_COLOR_SPACE_RGB,
},
esp_lcd_color_conv_yuv_config_t conv_config = {
.conv_std = LCD_YUV_CONV_STD_BT601,
.in_color_range = LCD_COLOR_RANGE_FULL,
.out_color_range = LCD_COLOR_RANGE_FULL,
};
TEST_ESP_ERR(ESP_ERR_INVALID_ARG, esp_lcd_rgb_panel_set_yuv_conversion(panel_handle, &conv_config));
conv_config.src.color_space = LCD_COLOR_SPACE_YUV;
conv_config.src.yuv_sample = LCD_YUV_SAMPLE_422;
TEST_ESP_OK(esp_lcd_rgb_panel_set_yuv_conversion(panel_handle, &conv_config));
TEST_ESP_OK(esp_lcd_panel_init(panel_handle));