Yaroslav Krainyk / Mbed 2 deprecated LAB4_DMA2D

Lab4 DMA2D Embedded Systems

Dependencies:   BSP_DISCO_F746NG mbed

main.cpp@1:751d3c9544ea, 2017-10-21 (annotated)

Committer:
codebreaker7
Date:
Sat Oct 21 15:49:21 2017 +0000
Revision:
1:751d3c9544ea
Parent:
0:919da762f527
Child:
2:b4b0e5e08b0a
Removed unnecessary code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
codebreaker7 0:919da762f527 1 //#include "mbed.h"
codebreaker7 0:919da762f527 2
codebreaker7 0:919da762f527 3 #include "stm32f7xx.h"
codebreaker7 0:919da762f527 4 #include "stm32746g_discovery.h"
codebreaker7 0:919da762f527 5 #include "stm32746g_discovery_lcd.h"
codebreaker7 0:919da762f527 6 #include "stm32f7xx_hal_dma2d.h"
codebreaker7 0:919da762f527 7 #include "ARGB4444_150x150.h"
codebreaker7 0:919da762f527 8
codebreaker7 0:919da762f527 9 #define LCD_MEM_ADDR (LCD_FB_START_ADDRESS + (480 * 272) * 4)
codebreaker7 0:919da762f527 10
codebreaker7 0:919da762f527 11 DMA2D_HandleTypeDef hdma2d;
codebreaker7 0:919da762f527 12
codebreaker7 0:919da762f527 13 void DMA2D_Config(void);
codebreaker7 0:919da762f527 14 uint32_t ramBuffer[(150 * 150 * 2) / 4];
codebreaker7 0:919da762f527 15 uint32_t offset = ((272 - 150) / 2 * 480 + (480 - 150) / 2) * 4;
codebreaker7 0:919da762f527 16
codebreaker7 0:919da762f527 17 int main(void)
codebreaker7 0:919da762f527 18 {
codebreaker7 0:919da762f527 19 int xpos_offset = 0;
codebreaker7 0:919da762f527 20 HAL_Init();
codebreaker7 0:919da762f527 21
codebreaker7 0:919da762f527 22 BSP_LCD_Init();
codebreaker7 0:919da762f527 23 BSP_LCD_LayerDefaultInit(0, LCD_FB_START_ADDRESS);
codebreaker7 0:919da762f527 24 BSP_LCD_Clear(LCD_COLOR_BLACK);
codebreaker7 0:919da762f527 25 BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
codebreaker7 0:919da762f527 26 BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
codebreaker7 0:919da762f527 27 BSP_LCD_SetFont(&Font16);
codebreaker7 0:919da762f527 28
codebreaker7 0:919da762f527 29 DMA2D_Config();
codebreaker7 0:919da762f527 30
codebreaker7 0:919da762f527 31 HAL_DMA2D_Start(&hdma2d, (uint32_t)&ARGB4444_150x150, (uint32_t)&ramBuffer, 150, 150);
codebreaker7 0:919da762f527 32 while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK);
codebreaker7 0:919da762f527 33
codebreaker7 0:919da762f527 34 hdma2d.Init.Mode = DMA2D_M2M_PFC;
codebreaker7 0:919da762f527 35 hdma2d.Init.ColorMode = DMA2D_ARGB8888;
codebreaker7 0:919da762f527 36 hdma2d.Init.OutputOffset = 480 - 150;
codebreaker7 0:919da762f527 37
codebreaker7 0:919da762f527 38 hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
codebreaker7 0:919da762f527 39 hdma2d.LayerCfg[1].InputAlpha = 0xff;
codebreaker7 0:919da762f527 40 hdma2d.LayerCfg[1].InputColorMode = CM_ARGB4444;
codebreaker7 0:919da762f527 41 hdma2d.LayerCfg[1].InputOffset = 0;
codebreaker7 0:919da762f527 42
codebreaker7 0:919da762f527 43 HAL_DMA2D_Init(&hdma2d);
codebreaker7 0:919da762f527 44 HAL_DMA2D_ConfigLayer(&hdma2d, 1);
codebreaker7 0:919da762f527 45 HAL_DMA2D_Start(&hdma2d, (uint32_t)&ramBuffer, LCD_FB_START_ADDRESS + offset, 150, 150);
codebreaker7 0:919da762f527 46 while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK);
codebreaker7 0:919da762f527 47
codebreaker7 0:919da762f527 48 for(;;){
codebreaker7 0:919da762f527 49 // fill the previous position of image
codebreaker7 0:919da762f527 50 hdma2d.Init.Mode = DMA2D_R2M;
codebreaker7 0:919da762f527 51 HAL_DMA2D_Init(&hdma2d);
codebreaker7 0:919da762f527 52 //HAL_DMA2D_Start(&hdma2d, 0x00000000, LCD_FB_START_ADDRESS + offset + xpos_offset, 150, 150);
codebreaker7 0:919da762f527 53 HAL_DMA2D_Start(&hdma2d, 0x00000000, LCD_MEM_ADDR, 480, 272);
codebreaker7 0:919da762f527 54 while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK);
codebreaker7 0:919da762f527 55 // and move to the next
codebreaker7 0:919da762f527 56 xpos_offset += 4;
codebreaker7 0:919da762f527 57 if (xpos_offset == 300)
codebreaker7 0:919da762f527 58 xpos_offset = 0;
codebreaker7 0:919da762f527 59 hdma2d.Init.Mode = DMA2D_M2M_PFC;
codebreaker7 0:919da762f527 60 hdma2d.Init.ColorMode = DMA2D_ARGB8888;
codebreaker7 0:919da762f527 61 hdma2d.Init.OutputOffset = 480 - 150;
codebreaker7 0:919da762f527 62 hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
codebreaker7 0:919da762f527 63 hdma2d.LayerCfg[1].InputAlpha = 0xff;
codebreaker7 0:919da762f527 64 hdma2d.LayerCfg[1].InputColorMode = CM_ARGB4444;
codebreaker7 0:919da762f527 65 hdma2d.LayerCfg[1].InputOffset = 0;
codebreaker7 0:919da762f527 66 HAL_DMA2D_Init(&hdma2d);
codebreaker7 0:919da762f527 67 HAL_DMA2D_ConfigLayer(&hdma2d, 1);
codebreaker7 0:919da762f527 68 //HAL_DMA2D_Start(&hdma2d, (uint32_t)&ramBuffer, LCD_FB_START_ADDRESS + offset + xpos_offset, 150, 150);
codebreaker7 0:919da762f527 69 HAL_DMA2D_Start(&hdma2d, (uint32_t)&ramBuffer, LCD_MEM_ADDR + offset + xpos_offset, 150, 150);
codebreaker7 0:919da762f527 70 while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK);
codebreaker7 0:919da762f527 71 hdma2d.Init.OutputOffset = 0;
codebreaker7 0:919da762f527 72 hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
codebreaker7 0:919da762f527 73 hdma2d.LayerCfg[1].InputAlpha = 0xff;
codebreaker7 0:919da762f527 74 hdma2d.LayerCfg[1].InputColorMode = CM_ARGB8888;
codebreaker7 0:919da762f527 75 hdma2d.LayerCfg[1].InputOffset = 0;
codebreaker7 0:919da762f527 76 HAL_DMA2D_Init(&hdma2d);
codebreaker7 0:919da762f527 77 HAL_DMA2D_ConfigLayer(&hdma2d, 1);
codebreaker7 0:919da762f527 78 HAL_DMA2D_Start(&hdma2d, LCD_MEM_ADDR, LCD_FB_START_ADDRESS, 480, 272);
codebreaker7 0:919da762f527 79 while(HAL_DMA2D_PollForTransfer(&hdma2d, 1000) != HAL_OK);
codebreaker7 0:919da762f527 80 HAL_Delay(50);
codebreaker7 0:919da762f527 81 }
codebreaker7 0:919da762f527 82 }
codebreaker7 0:919da762f527 83
codebreaker7 0:919da762f527 84 void DMA2D_Config(void) {
codebreaker7 0:919da762f527 85 hdma2d.Init.Mode = DMA2D_M2M;
codebreaker7 0:919da762f527 86 hdma2d.Init.OutputOffset = 0;
codebreaker7 0:919da762f527 87 hdma2d.Init.ColorMode = DMA2D_ARGB4444;
codebreaker7 0:919da762f527 88
codebreaker7 0:919da762f527 89 hdma2d.Instance = DMA2D;
codebreaker7 0:919da762f527 90
codebreaker7 0:919da762f527 91 hdma2d.LayerCfg[1].AlphaMode = DMA2D_NO_MODIF_ALPHA;
codebreaker7 0:919da762f527 92 hdma2d.LayerCfg[1].InputAlpha = 0xff;
codebreaker7 0:919da762f527 93 hdma2d.LayerCfg[1].InputOffset = 0;
codebreaker7 0:919da762f527 94 hdma2d.LayerCfg[1].InputColorMode = CM_ARGB4444;
codebreaker7 0:919da762f527 95
codebreaker7 0:919da762f527 96 HAL_DMA2D_Init(&hdma2d);
codebreaker7 0:919da762f527 97 HAL_DMA2D_ConfigLayer(&hdma2d, 1);
codebreaker7 0:919da762f527 98 }