Refresh using dma2d,screen refresh average 25fps

bsp/stm32/libraries/HAL_Drivers/drv_lcd_mipi.c

@@ -23,7 +23,7 @@ struct stm32_lcd
     struct rt_device parent;
     struct rt_device_graphic_info info;
 };
-static struct stm32_lcd lcd;
+struct stm32_lcd lcd;
 
 extern void stm32_mipi_lcd_init(void);
 extern void stm32_mipi_lcd_config(rt_uint32_t pixel_format);
@@ -76,7 +76,7 @@ rt_err_t ltdc_init(void)
     HAL_DSI_Init(&hdsi, &dsi_pll);
 
     hdsi_video.VirtualChannelID             = 0;
-    hdsi_video.ColorCoding                  = DSI_RGB888;
+    hdsi_video.ColorCoding                  = DSI_RGB565;
     hdsi_video.VSPolarity                   = DSI_VSYNC_ACTIVE_HIGH;
     hdsi_video.HSPolarity                   = DSI_HSYNC_ACTIVE_HIGH;
     hdsi_video.DEPolarity                   = DSI_DATA_ENABLE_ACTIVE_HIGH;
@@ -130,7 +130,7 @@ rt_err_t ltdc_init(void)
 
     HAL_DSI_Start(&(hdsi));
 
-    stm32_mipi_lcd_config(RTGRAPHIC_PIXEL_FORMAT_ARGB888);
+    stm32_mipi_lcd_config(RTGRAPHIC_PIXEL_FORMAT_RGB565);
 
     return RT_EOK;
 }
@@ -143,7 +143,7 @@ void ltdc_layer_init(uint16_t index, uint32_t framebuffer)
     layer_cfg.WindowX1        = LCD_WIDTH;
     layer_cfg.WindowY0        = 0;
     layer_cfg.WindowY1        = LCD_HEIGHT;
-    layer_cfg.PixelFormat     = LTDC_PIXEL_FORMAT_ARGB8888;
+    layer_cfg.PixelFormat     = LTDC_PIXEL_FORMAT_RGB565;
     layer_cfg.BlendingFactor1 = LTDC_BLENDING_FACTOR1_PAxCA;
     layer_cfg.BlendingFactor2 = LTDC_BLENDING_FACTOR2_PAxCA;
     layer_cfg.Alpha           = 255;
@@ -169,9 +169,9 @@ static rt_err_t stm32_lcd_init(rt_device_t device)
 {
     lcd.info.width          = LCD_WIDTH;
     lcd.info.height         = LCD_HEIGHT;
-    lcd.info.pixel_format   = RTGRAPHIC_PIXEL_FORMAT_ARGB888;
-    lcd.info.bits_per_pixel = 32;
-    lcd.info.framebuffer    = (void *)rt_malloc_align(LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8), 32);
+    lcd.info.pixel_format   = RTGRAPHIC_PIXEL_FORMAT_RGB565;
+    lcd.info.bits_per_pixel = 16;
+    lcd.info.framebuffer    = (void *)rt_malloc_align(LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8), 32);;
     memset(lcd.info.framebuffer, 0, LCD_WIDTH * LCD_HEIGHT * (lcd.info.bits_per_pixel / 8));
     ltdc_init();
     ltdc_layer_init(0, (uint32_t)lcd.info.framebuffer);

bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_conf.h

@@ -12,7 +12,7 @@
 #define LV_CONF_H
 
 #define LV_USE_PERF_MONITOR     1
-#define LV_COLOR_DEPTH          32
+#define LV_COLOR_DEPTH          16
 
 #define LV_USE_GPU_STM32_DMA2D  1
 #define LV_GPU_DMA2D_CMSIS_INCLUDE "stm32f469xx.h"

bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_demo.c

@@ -15,14 +15,17 @@
 #include <rtdbg.h>
 
 #ifndef LV_THREAD_STACK_SIZE
-#define LV_THREAD_STACK_SIZE 4096
+    #define LV_THREAD_STACK_SIZE 4096
 #endif
 
 #ifndef LV_THREAD_PRIO
-#define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX*2/3)
+    #define LV_THREAD_PRIO (RT_THREAD_PRIORITY_MAX * 2 / 8)
 #endif
 
-static void lvgl_thread(void *parameter)
+static struct rt_thread lvgl_thread;
+static rt_uint8_t lvgl_thread_stack[LV_THREAD_STACK_SIZE];
+
+static void lvgl_entry(void *parameter)
 {
     extern void lv_demo_music(void);
     lv_demo_music();
@@ -30,7 +33,7 @@ static void lvgl_thread(void *parameter)
     while(1)
     {
         lv_task_handler();
-        rt_thread_mdelay(1);
+        rt_thread_mdelay(5);
     }
 }
 
@@ -38,12 +41,15 @@ static int lvgl_demo_init(void)
 {
     rt_thread_t tid;
 
-    tid = rt_thread_create("LVGL", lvgl_thread, RT_NULL, LV_THREAD_STACK_SIZE, LV_THREAD_PRIO, 10);
-    if(tid == RT_NULL)
-    {
-        LOG_E("Fail to create 'LVGL' thread");
-    }
-    rt_thread_startup(tid);
+    rt_thread_init(&lvgl_thread,
+                   "LVGL",
+                   lvgl_entry,
+                   RT_NULL,
+                   &lvgl_thread_stack[0],
+                   sizeof(lvgl_thread_stack),
+                   LV_THREAD_PRIO,
+                   10);
+    rt_thread_startup(&lvgl_thread);
 
     return 0;
 }

bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_port_disp.c

@@ -6,6 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2021-10-18     Meco Man     The first version
+ * 2021-12-24     	Rb         Refresh using dma2d
  */
 #include <lvgl.h>
 #include <lcd_port.h>
@@ -22,133 +23,79 @@ static struct rt_device_graphic_info info;
 
 static lv_disp_drv_t disp_drv;  /*Descriptor of a display driver*/
 
-static DMA_HandleTypeDef         DmaHandle;
-#define DMA_STREAM               DMA2_Stream0
-#define DMA_CHANNEL              DMA_CHANNEL_0
-#define DMA_STREAM_IRQ           DMA2_Stream0_IRQn
-#define DMA_STREAM_IRQHANDLER    DMA2_Stream0_IRQHandler
+#define DISP_BUF_SIZE        (LV_HOR_RES_MAX * LV_VER_RES_MAX / 4)
 
-static int32_t x1_flush;
-static int32_t y1_flush;
-static int32_t x2_flush;
-static int32_t y2_fill;
-static int32_t y_fill_act;
-static const lv_color_t * buf_to_flush;
+static lv_disp_drv_t g_disp_drv;
+extern LTDC_HandleTypeDef  hltdc;
+volatile rt_bool_t g_gpu_state = RT_FALSE;
 
-static void DMA_TransferComplete(DMA_HandleTypeDef *han)
-{
-    y_fill_act ++;
-
-    if(y_fill_act > y2_fill)
-    {
-        lv_disp_flush_ready(&disp_drv);
-    }
-    else
-    {
-        buf_to_flush += (x2_flush - x1_flush + 1);
-
-        if (HAL_DMA_Start_IT(han,(uint32_t)buf_to_flush,
-            (uint32_t)&((uint32_t *)info.framebuffer)[y_fill_act * info.width + x1_flush],
-            (x2_flush - x1_flush + 1)) != HAL_OK)
-        {
-            LOG_E("HAL_DMA_Start_IT error");
-            RT_ASSERT(0);
-        }
-    }
-}
-
-static void DMA_TransferError(DMA_HandleTypeDef *han)
+static void lvgl_dma_config(void)
 {
-    LOG_E("DMA_TransferError");
-    RT_ASSERT(0);
+    HAL_NVIC_SetPriority(DMA2D_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(DMA2D_IRQn);
+    __HAL_RCC_DMA2D_CLK_ENABLE();
 }
 
-void DMA_STREAM_IRQHANDLER(void)
+static void lcd_fb_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
 {
-    rt_interrupt_enter();
+    uint32_t OffLineSrc = LV_HOR_RES_MAX - (area->x2 - area->x1 + 1);
+    uint32_t addr = (uint32_t) hltdc.LayerCfg[0].FBStartAdress + 2 * (LV_HOR_RES_MAX * area->y1 + area->x1);
 
-    HAL_DMA_IRQHandler(&DmaHandle);
+    DMA2D->CR = 0x00000000UL | (1 << 9);
+    DMA2D->FGMAR = (uint32_t) (uint16_t*) (color_p);
+    DMA2D->OMAR = (uint32_t) addr;
 
-    rt_interrupt_leave();
-}
+    DMA2D->FGOR = 0;
+    DMA2D->OOR = OffLineSrc;
 
-static void lvgl_dma_config(void)
-{
-    /*## -1- Enable DMA2 clock #################################################*/
-    __HAL_RCC_DMA2_CLK_ENABLE();
-
-    /*##-2- Select the DMA functional Parameters ###############################*/
-    DmaHandle.Init.Channel = DMA_CHANNEL;                     /* DMA_CHANNEL_0                    */
-    DmaHandle.Init.Direction = DMA_MEMORY_TO_MEMORY;          /* M2M transfer mode                */
-    DmaHandle.Init.PeriphInc = DMA_PINC_ENABLE;               /* Peripheral increment mode Enable */
-    DmaHandle.Init.MemInc = DMA_MINC_ENABLE;                  /* Memory increment mode Enable     */
-    DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD; /* Peripheral data alignment : 32bit */
-    DmaHandle.Init.MemDataAlignment = DMA_PDATAALIGN_WORD;    /* memory data alignment : 32bit     */
-    DmaHandle.Init.Mode = DMA_NORMAL;                         /* Normal DMA mode                  */
-    DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;              /* priority level : high            */
-    DmaHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;            /* FIFO mode enabled                */
-    DmaHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_1QUARTERFULL;   /* FIFO threshold: 1/4 full   */
-    DmaHandle.Init.MemBurst = DMA_MBURST_SINGLE;              /* Memory burst                     */
-    DmaHandle.Init.PeriphBurst = DMA_PBURST_SINGLE;           /* Peripheral burst                 */
-
-    DmaHandle.Instance = DMA_STREAM;
-
-    if (HAL_DMA_Init(&DmaHandle) != HAL_OK)
-    {
-        LOG_E("HAL_DMA_Init error");
-        RT_ASSERT(0);
-    }
+    DMA2D->FGPFCCR = DMA2D_OUTPUT_RGB565;
+    DMA2D->OPFCCR = DMA2D_OUTPUT_RGB565;
 
-    HAL_DMA_RegisterCallback(&DmaHandle, HAL_DMA_XFER_CPLT_CB_ID, DMA_TransferComplete);
-    HAL_DMA_RegisterCallback(&DmaHandle, HAL_DMA_XFER_ERROR_CB_ID, DMA_TransferError);
+    DMA2D->NLR = (area->y2 - area->y1 + 1) | ((area->x2 - area->x1 + 1) << 16);
+    DMA2D->CR |= DMA2D_IT_TC | DMA2D_IT_TE | DMA2D_IT_CE;
+    DMA2D->CR |= DMA2D_CR_START;
 
-    HAL_NVIC_SetPriority(DMA_STREAM_IRQ, 0, 0);
-    HAL_NVIC_EnableIRQ(DMA_STREAM_IRQ);
+    g_gpu_state = RT_TRUE;
 }
 
-static void lcd_fb_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p)
+void DMA2D_IRQHandler(void)
 {
-    /*Return if the area is out the screen*/
-    if (area->x2 < 0) return;
-    if (area->y2 < 0) return;
-    if (area->x1 > info.width - 1) return;
-    if (area->y1 > info.height - 1) return;
-
-    /*Truncate the area to the screen*/
-    int32_t act_x1 = area->x1 < 0 ? 0 : area->x1;
-    int32_t act_y1 = area->y1 < 0 ? 0 : area->y1;
-    int32_t act_x2 = area->x2 > info.width - 1 ? info.width - 1 : area->x2;
-    int32_t act_y2 = area->y2 > info.height - 1 ? info.height - 1 : area->y2;
-
-    x1_flush = act_x1;
-    y1_flush = act_y1;
-    x2_flush = act_x2;
-    y2_fill = act_y2;
-    y_fill_act = act_y1;
-    buf_to_flush = color_p;
-
-    if (HAL_DMA_Start_IT(&DmaHandle,(uint32_t)buf_to_flush,
-        (uint32_t)&((uint32_t *)info.framebuffer)[y_fill_act * info.width + x1_flush],
-        (x2_flush - x1_flush + 1)) != HAL_OK)
+    rt_interrupt_enter();
+
+    if ((DMA2D->ISR & DMA2D_FLAG_TC) != 0U)
     {
-        LOG_E("HAL_DMA_Start_IT error");
-        RT_ASSERT(0);
+        if ((DMA2D->CR & DMA2D_IT_TC) != 0U)
+        {
+
+            DMA2D->CR &= ~DMA2D_IT_TC;
+            DMA2D->IFCR = DMA2D_FLAG_TC;
+
+            if (g_gpu_state == RT_TRUE)
+            {
+                g_gpu_state = RT_FALSE;
+                lv_disp_flush_ready(&g_disp_drv);
+            }
+        }
     }
+
+    rt_interrupt_leave();
 }
 
 void lv_port_disp_init(void)
 {
     rt_err_t result;
-    void* buf_1 = RT_NULL;
-    void* buf_2 = RT_NULL;
+    static lv_color_t  lv_disp_buf1[DISP_BUF_SIZE] = {0};
 
     lcd_device = rt_device_find("lcd");
+
     if (lcd_device == 0)
     {
-        LOG_E("error!");
+        LOG_E("lcd_device error!");
         return;
     }
+
     result = rt_device_open(lcd_device, 0);
+
     if (result != RT_EOK)
     {
         LOG_E("error!");
@@ -157,6 +104,7 @@ void lv_port_disp_init(void)
 
     /* get framebuffer address */
     result = rt_device_control(lcd_device, RTGRAPHIC_CTRL_GET_INFO, &info);
+
     if (result != RT_EOK)
     {
         LOG_E("error!");
@@ -165,26 +113,12 @@ void lv_port_disp_init(void)
     }
 
     RT_ASSERT (info.bits_per_pixel == 8 || info.bits_per_pixel == 16 ||
-              info.bits_per_pixel == 24 || info.bits_per_pixel == 32);
+               info.bits_per_pixel == 24 || info.bits_per_pixel == 32);
 
     lvgl_dma_config();
 
-    buf_1 = rt_malloc(info.width * info.height * sizeof(lv_color_t));
-    if (buf_1 == RT_NULL)
-    {
-        LOG_E("malloc memory failed");
-        return;
-    }
-
-    buf_2 = rt_malloc(info.width * info.height * sizeof(lv_color_t));
-    if (buf_2 == RT_NULL)
-    {
-        LOG_E("malloc memory failed");
-        return;
-    }
-
     /*Initialize `disp_buf` with the buffer(s).*/
-    lv_disp_draw_buf_init(&disp_buf, buf_1, buf_2, info.width * info.height);
+    lv_disp_draw_buf_init(&disp_buf, lv_disp_buf1, RT_NULL, DISP_BUF_SIZE);
 
     lv_disp_drv_init(&disp_drv); /*Basic initialization*/
 
@@ -200,4 +134,6 @@ void lv_port_disp_init(void)
 
     /*Finally register the driver*/
     lv_disp_drv_register(&disp_drv);
+
+    g_disp_drv = disp_drv;
 }