feat(esp_qemu_rgb_panel): implement 16bpp QEMU RGB panel

espressif · Dec 27, 2023 · 81e7816 · 81e7816
1 parent 22e2825
commit 81e7816
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Showing 4 changed files with 11 additions and 6 deletions.
diff --git a/esp_lcd_qemu_rgb/examples/lcd_qemu_rgb_panel/main/lcd_qemu_rgb_panel_main.c b/esp_lcd_qemu_rgb/examples/lcd_qemu_rgb_panel/main/lcd_qemu_rgb_panel_main.c
@@ -21,11 +21,8 @@
 static const char *TAG = "example";
 
 /**
- * Only 32-bit colors are currently supported by QEMU RGB Panel
+ * 16-bit and 32-bit colors are currently supported by QEMU RGB Panel
  */
-#if !CONFIG_LV_COLOR_DEPTH_32
-#error "QEMU RGB Panel only support 32-bit colors, please enable LV_COLOR_DEPTH_32"
-#endif
 
 // The pixel number in horizontal and vertical
 #define EXAMPLE_LCD_H_RES              800
@@ -120,7 +117,8 @@ void app_main(void)
     esp_lcd_panel_handle_t panel_handle = NULL;
     esp_lcd_rgb_qemu_config_t panel_config = {
         .width = EXAMPLE_LCD_H_RES,
-        .height = EXAMPLE_LCD_V_RES
+        .height = EXAMPLE_LCD_V_RES,
+        .bpp = BPP_32,
     };
     ESP_ERROR_CHECK(esp_lcd_new_rgb_qemu(&panel_config, &panel_handle));
 

diff --git a/esp_lcd_qemu_rgb/interface/esp_lcd_qemu_rgb.h b/esp_lcd_qemu_rgb/interface/esp_lcd_qemu_rgb.h
@@ -13,12 +13,17 @@
 extern "C" {
 #endif
 
+typedef enum {
+    BPP_16 = 16,
+    BPP_32 = 32
+} BppEnum;
 /**
  * @brief QEMU RGB panel configuration structure
  */
 typedef struct {
     uint32_t width;             /*!< Width of the graphical window in pixels */
     uint32_t height;            /*!< Height of the graphical window in pixels */
+    BppEnum bpp;                /*!< BPP - bit per pixel*/
 } esp_lcd_rgb_qemu_config_t;
 
 /**

diff --git a/esp_lcd_qemu_rgb/src/esp_lcd_qemu_rgb.c b/esp_lcd_qemu_rgb/src/esp_lcd_qemu_rgb.c
@@ -58,9 +58,10 @@ esp_err_t esp_lcd_new_rgb_qemu(const esp_lcd_rgb_qemu_config_t *rgb_config, esp_
     rgb_panel = calloc(1, sizeof(esp_rgb_qemu_t));
     ESP_GOTO_ON_FALSE(rgb_panel, ESP_ERR_NO_MEM, err, TAG, "no mem for rgb qemu panel");
 
-    /* Resize the window */
+    /* Resize the window and setup bpp*/
     s_rgb_dev->size.height = rgb_config->height;
     s_rgb_dev->size.width = rgb_config->width;
+    s_rgb_dev->bpp = rgb_config->bpp;
     /* If the configured size is bigger than authorized, the hardware will arrange it.
      * So, read back the configured size */
     rgb_panel->height = rgb_config->height;

diff --git a/esp_lcd_qemu_rgb/src/esp_lcd_qemu_rgb_struct.h b/esp_lcd_qemu_rgb/src/esp_lcd_qemu_rgb_struct.h
@@ -50,6 +50,7 @@ typedef volatile struct rgb_qemu_dev_s {
         };
         uint32_t val;
     } update_st;
+    uint32_t bpp;
 } rgb_qemu_dev_t;
 
 #ifdef __cplusplus