From eaf54ca571d5141dcc06b1fdc4dc4240c8e13607 Mon Sep 17 00:00:00 2001 From: Rbb666 Date: Fri, 24 Dec 2021 11:01:53 +0800 Subject: [PATCH] Refresh using dma2d,screen refresh average 25fps --- .../libraries/HAL_Drivers/drv_lcd_mipi.c | 14 +- .../applications/lvgl/lv_conf.h | 2 +- .../applications/lvgl/lv_demo.c | 26 ++- .../applications/lvgl/lv_port_disp.c | 172 ++++++------------ 4 files changed, 78 insertions(+), 136 deletions(-) diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_lcd_mipi.c b/bsp/stm32/libraries/HAL_Drivers/drv_lcd_mipi.c index 275a18e925..e3bb847c5c 100644 --- a/bsp/stm32/libraries/HAL_Drivers/drv_lcd_mipi.c +++ b/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); diff --git a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_conf.h b/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_conf.h index a657bd6a47..7f3d0ad633 100644 --- a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_conf.h +++ b/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" diff --git a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_demo.c b/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_demo.c index 17d01e09cc..0026e0c06b 100644 --- a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_demo.c +++ b/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_demo.c @@ -15,14 +15,17 @@ #include #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; } diff --git a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_port_disp.c b/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_port_disp.c index 2bc5743edf..6660e08b50 100644 --- a/bsp/stm32/stm32f469-st-disco/applications/lvgl/lv_port_disp.c +++ b/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 #include @@ -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 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) -{ - LOG_E("DMA_TransferError"); - RT_ASSERT(0); -} - -void DMA_STREAM_IRQHANDLER(void) -{ - rt_interrupt_enter(); - - HAL_DMA_IRQHandler(&DmaHandle); - - rt_interrupt_leave(); -} +static lv_disp_drv_t g_disp_drv; +extern LTDC_HandleTypeDef hltdc; +volatile rt_bool_t g_gpu_state = RT_FALSE; 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); - } - - HAL_DMA_RegisterCallback(&DmaHandle, HAL_DMA_XFER_CPLT_CB_ID, DMA_TransferComplete); - HAL_DMA_RegisterCallback(&DmaHandle, HAL_DMA_XFER_ERROR_CB_ID, DMA_TransferError); - - HAL_NVIC_SetPriority(DMA_STREAM_IRQ, 0, 0); - HAL_NVIC_EnableIRQ(DMA_STREAM_IRQ); + HAL_NVIC_SetPriority(DMA2D_IRQn, 0, 0); + HAL_NVIC_EnableIRQ(DMA2D_IRQn); + __HAL_RCC_DMA2D_CLK_ENABLE(); } static void lcd_fb_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p) { - /*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; + 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); - /*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; + DMA2D->CR = 0x00000000UL | (1 << 9); + DMA2D->FGMAR = (uint32_t) (uint16_t*) (color_p); + DMA2D->OMAR = (uint32_t) addr; - 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; + DMA2D->FGOR = 0; + DMA2D->OOR = OffLineSrc; - 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) + DMA2D->FGPFCCR = DMA2D_OUTPUT_RGB565; + DMA2D->OPFCCR = DMA2D_OUTPUT_RGB565; + + 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; + + g_gpu_state = RT_TRUE; +} + +void DMA2D_IRQHandler(void) +{ + 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; }