Lab4 DMA2D Embedded Systems
Dependencies: BSP_DISCO_F746NG mbed
Diff: main.cpp
- Revision:
- 2:b4b0e5e08b0a
- Parent:
- 1:751d3c9544ea
- Child:
- 3:ed3e2096b46f
diff -r 751d3c9544ea -r b4b0e5e08b0a main.cpp --- a/main.cpp Sat Oct 21 15:49:21 2017 +0000 +++ b/main.cpp Tue Oct 24 06:27:04 2017 +0000 @@ -49,9 +49,16 @@ // fill the previous position of image hdma2d.Init.Mode = DMA2D_R2M; HAL_DMA2D_Init(&hdma2d); - //HAL_DMA2D_Start(&hdma2d, 0x00000000, LCD_FB_START_ADDRESS + offset + xpos_offset, 150, 150); - HAL_DMA2D_Start(&hdma2d, 0x00000000, LCD_MEM_ADDR, 480, 272); + HAL_DMA2D_Start(&hdma2d, 0x00ff0000, LCD_MEM_ADDR, 480, 272); while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK); + + // draw red square in position 10,10 + hdma2d.Init.Mode = DMA2D_R2M; + hdma2d.Init.OutputOffset = 480 - 50; + HAL_DMA2D_Init(&hdma2d); + HAL_DMA2D_Start(&hdma2d, 0xffff0000, LCD_MEM_ADDR + (10 * 480 + 10) * 4, 50, 50); + while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK); + // and move to the next xpos_offset += 4; if (xpos_offset == 300)