Diff: DCMI.h

Revision:

0:4e2fae6764b6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DCMI.h	Sun Nov 20 10:59:03 2016 +0000
@@ -0,0 +1,84 @@
+#include "mbed.h"
+uint8_t frame_buffer[145][300]={0xff,0xff};
+
+DMA_HandleTypeDef    dcmi_Dma;
+DCMI_HandleTypeDef  dcmi;
+
+void dcmi_Init(){
+    frame_buffer[100][0]=0xFF;
+    frame_buffer[100][1]=0xFF;
+    GPIO_InitTypeDef GPIO_InitStruct; 
+    
+  /*Configure GPIO pin : PA8 MCO1 for cam XCLK*/  
+    HAL_RCC_MCOConfig(RCC_MCO1, RCC_MCO1SOURCE_HSE, RCC_MCODIV_1);   
+    __GPIOA_CLK_ENABLE(); 
+    GPIO_InitStruct.Pin = GPIO_PIN_8;    
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;    
+    GPIO_InitStruct.Pull = GPIO_NOPULL;    
+    GPIO_InitStruct.Speed = GPIO_SPEED_LOW;    
+    GPIO_InitStruct.Alternate = GPIO_AF0_MCO;    
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+    
+    
+    GPIO_InitTypeDef dcmipinsa,dcmipinsb,dcmipinsc;
+    dcmipinsa.Pin = GPIO_PIN_4|GPIO_PIN_6;
+    dcmipinsa.Mode = GPIO_MODE_AF_PP;
+    dcmipinsa.Pull = GPIO_PULLDOWN;
+    dcmipinsa.Speed = GPIO_SPEED_HIGH;
+    dcmipinsa.Alternate =  GPIO_AF13_DCMI;
+    HAL_GPIO_Init(GPIOA, &dcmipinsa);
+    
+    __GPIOB_CLK_ENABLE();
+    dcmipinsb.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
+    dcmipinsb.Mode = GPIO_MODE_AF_PP;
+    dcmipinsb.Pull = GPIO_PULLDOWN;
+    dcmipinsb.Speed = GPIO_SPEED_HIGH;
+    dcmipinsb.Alternate =  GPIO_AF13_DCMI;
+    HAL_GPIO_Init(GPIOB, &dcmipinsb);
+    
+    __GPIOC_CLK_ENABLE();
+    dcmipinsc.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_11;
+    dcmipinsc.Mode = GPIO_MODE_AF_PP;
+    dcmipinsc.Pull = GPIO_PULLDOWN;
+    dcmipinsc.Speed = GPIO_SPEED_HIGH;
+    dcmipinsc.Alternate =  GPIO_AF13_DCMI;
+    HAL_GPIO_Init(GPIOC, &dcmipinsc);
+    
+    __DMA2_CLK_ENABLE();
+    dcmi_Dma.Instance = DMA2_Stream1;
+    dcmi_Dma.Init.Channel = DMA_CHANNEL_1;
+    dcmi_Dma.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    dcmi_Dma.Init.PeriphInc = DMA_PINC_DISABLE;
+    dcmi_Dma.Init.MemInc = DMA_MINC_ENABLE;
+    dcmi_Dma.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;  
+    dcmi_Dma.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD ;
+    dcmi_Dma.Init.Mode =   DMA_CIRCULAR;
+    dcmi_Dma.Init.Priority = DMA_PRIORITY_HIGH;
+    dcmi_Dma.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
+    dcmi_Dma.Init.FIFOThreshold =DMA_FIFO_THRESHOLD_FULL;
+    dcmi_Dma.Init.MemBurst = DMA_PBURST_SINGLE;
+    dcmi_Dma.Init.PeriphBurst = DMA_PBURST_SINGLE;
+    
+    HAL_DMA_Init(&dcmi_Dma);
+    
+    __DCMI_CLK_ENABLE();
+    dcmi.Instance = DCMI;
+    dcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B; 
+    dcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME;   
+    dcmi.Init.VSPolarity = DCMI_VSPOLARITY_HIGH;  
+    dcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW; 
+    dcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;       
+    dcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;     
+    dcmi.DMA_Handle = &dcmi_Dma;
+    HAL_DCMI_Init(&dcmi);
+     __HAL_DCMI_ENABLE(&dcmi);
+    HAL_DCMI_Start_DMA(&dcmi, DCMI_MODE_CONTINUOUS, (uint32_t)&frame_buffer,43500/2);
+    
+    }
+    
+    
+    
+    
+    
+    
+