github-code/lvgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

make DMA2S non blovking

Browse Source
This commit is contained in:
Gabor Kiss-Vamosi
2020-10-12 11:51:29 +02:00
parent cb5ad1e9d3
commit 9a029a1784
3 changed files with 29 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
src/lv_gpu/lv_gpu_stm32_dma2d.c
View File

@@ -43,7 +43,7 @@
* STATIC PROTOTYPES
**********************/
static void invalidate_cache(void);
static void dma2d_wait(void);
static void wait_finish(void);
/**********************
* STATIC VARIABLES
@@ -101,7 +101,7 @@ void lv_gpu_stm32_dma2d_fill(lv_color_t * buf, lv_coord_t buf_w, lv_color_t colo
/* start transfer */
DMA2D->CR |= DMA2D_CR_START_Msk;
dma2d_wait();
wait_finish();
}
/**
@@ -146,7 +146,7 @@ void lv_gpu_stm32_dma2d_fill_mask(lv_color_t * buf, lv_coord_t buf_w, lv_color_t
HAL_DMA2D_ConfigLayer(&hdma2d, 0);
HAL_DMA2D_ConfigLayer(&hdma2d, 1);
HAL_DMA2D_BlendingStart(&hdma2d, (uint32_t) mask, (uint32_t) buf, (uint32_t)buf, fill_w, fill_h);
dma2d_wait();
wait_finish();
#endif
}
@@ -176,7 +176,7 @@ void lv_gpu_stm32_dma2d_copy(lv_color_t * buf, lv_coord_t buf_w, const lv_color_
/* start transfer */
DMA2D->CR |= DMA2D_CR_START_Msk;
dma2d_wait();
wait_finish();
}
/**
@@ -214,7 +214,18 @@ void lv_gpu_stm32_dma2d_blend(lv_color_t * buf, lv_coord_t buf_w, const lv_color
/* start transfer */
DMA2D->CR |= DMA2D_CR_START_Msk;
dma2d_wait();
wait_finish();
}
void lv_gpu_stm32_dma2d_wait_cb(lv_disp_drv_t * drv)
{
if(drv && drv->wait_cb) {
while(DMA2D->CR & DMA2D_CR_START_Msk) {
drv->wait_cb(drv);
}
} else {
while(DMA2D->CR & DMA2D_CR_START_Msk);
}
}
/**********************
@@ -232,9 +243,11 @@ static void invalidate_cache(void)
}
}
static void dma2d_wait(void)
static void wait_finish(void)
{
lv_disp_t * disp = _lv_refr_get_disp_refreshing();
if(disp->driver.gpu_wait_cb) return;
while(DMA2D->CR & DMA2D_CR_START_Msk) {
if(disp->driver.wait_cb) disp->driver.wait_cb(&disp->driver);
}