void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
/* DCMI clock enable */
__DCMI_CLK_ENABLE();
/* DCMI GPIOs configuration */
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pull = GPIO_PULLDOWN;
GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Alternate = GPIO_AF13_DCMI;
for (int i=0; i<NUM_DCMI_PINS; i++) {
GPIO_InitStructure.Pin = dcmi_pins[i].pin;
HAL_GPIO_Init(dcmi_pins[i].port, &GPIO_InitStructure);
}
}
/**
* @brief Initializes the DCMI MSP.
* @param None
* @retval None
*/
static void DCMI_MspInit(void)
{
static DMA_HandleTypeDef hdma;
GPIO_InitTypeDef GPIO_Init_Structure;
DCMI_HandleTypeDef *hdcmi = &hdcmi_eval;
/*** Enable peripherals and GPIO clocks ***/
/* Enable DCMI clock */
__DCMI_CLK_ENABLE();
/* Enable DMA2 clock */
__DMA2_CLK_ENABLE();
/* Enable GPIO clocks */
__GPIOA_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
__GPIOI_CLK_ENABLE();
/*** Configure the GPIO ***/
/* Configure DCMI GPIO as alternate function */
GPIO_Init_Structure.Pin = GPIO_PIN_6;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOA, &GPIO_Init_Structure);
GPIO_Init_Structure.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 |\
GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_14;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOH, &GPIO_Init_Structure);
GPIO_Init_Structure.Pin = GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 |\
GPIO_PIN_7;
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOI, &GPIO_Init_Structure);
/*** Configure the DMA streams ***/
/* Configure the DMA handler for Transmission process */
hdma.Init.Channel = DMA_CHANNEL_1;
hdma.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma.Init.PeriphInc = DMA_PINC_DISABLE;
hdma.Init.MemInc = DMA_MINC_ENABLE;
hdma.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma.Init.Mode = DMA_CIRCULAR;
hdma.Init.Priority = DMA_PRIORITY_HIGH;
hdma.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma.Init.MemBurst = DMA_MBURST_SINGLE;
hdma.Init.PeriphBurst = DMA_PBURST_SINGLE;
hdma.Instance = DMA2_Stream1;
/* Associate the initialized DMA handle to the DCMI handle */
__HAL_LINKDMA(hdcmi, DMA_Handle, hdma);
/*** Configure the NVIC for DCMI and DMA ***/
/* NVIC configuration for DCMI transfer complete interrupt */
HAL_NVIC_SetPriority(DCMI_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(DCMI_IRQn);
/* NVIC configuration for DMA2 transfer complete interrupt */
HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
/* Configure the DMA stream */
HAL_DMA_Init(hdcmi->DMA_Handle);
}
void DcmiDma_Init(void)
{
/* DMA and DCMI interrupts */
DMA2->LIFCR = 0xffffffff; /* Make sure all the IF are cleared */
DCMI->ICR = 0x1f;
#if DEB_INT
HAL_NVIC_SetPriority(DCMI_IRQn, 5, 0); /* Enable interrupts */
HAL_NVIC_EnableIRQ(DCMI_IRQn);
HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
#endif
__DMA2_CLK_ENABLE();
__DCMI_CLK_ENABLE();
/* DMA2 configuration and intialization */
DMA2_Stream1->CR &= 0xf0100000;
while(DMA2_Stream1->CR & 1); /* Wait until DMA is disabled */
DMA2_Stream1->NDTR = (uint32_t)(IMG_W*IMG_H/2);/* Number of data transfers */
DMA2_Stream1->PAR = (uint32_t)(&(DCMI->DR));
#ifndef NO_SDRAM
DMA2_Stream1->M0AR = (uint32_t)(dcmi_buff); /* DMA address registers */
DMA2_Stream1->M1AR = (uint32_t)(dcmi_buff);
#else
DMA2_Stream1->M0AR = (uint32_t)(&(dcmi_buff[0])); /* DMA address registers */
DMA2_Stream1->M1AR = (uint32_t)(&(dcmi_buff[0]));
#endif
DMA2_Stream1->CR |= /* Channel [0,7] */ 1<<25| \
/* Mburst */ 0<<23| \
/* Pburst */ 0<<21| \
/* Current target */ 0<<19| \
/* Double buffer */ 0<<18| \
/* Priority [0,3] */ 2<<16| \
/* Per inc offset (0= %Psize) */ 1<<15| \
/* Mem size (0b10=32bits) */ 2<<13| \
/* Periph size (0b10=32bits) */ 2<<11| \
/* Memory increment */ 1<<10| \
/* Periph increment */ 0<< 9| \
/* Circular mode */ 1<< 8| \
/* Dir (0b00 == P2M) */ 0<< 6| \
/* Periph flow controller */ 0<< 5| \
/* Transfer complete IE */ 0<< 4| \
/* Half transfer IE */ 0<< 3| \
/* Transfer error IE */ 0<< 2| \
/* Direct mode error IE */ 0<< 1| \
/* Stream EN/Ready */ 0<< 0;
DMA2_Stream1->FCR |= /* FIFO error IE */ 0<< 7| \
/* Direct mode disable */ 1<< 2| \
/* FIFO thres (1/4)*(X+1)*/ 3<< 0;
DMA2_Stream1->CR |= 1; /* Enable */
while(!(DMA2_Stream1->CR & 1)); /* Wait until DMA is enabled */
/* DCMI configuration and intialization */
DCMI->CR &= 0xffffb000; /* Clear all non-reserved bits */
while(DCMI->CR & 0x00004000); /* Wait until peripheral is disabled */
DCMI->CR |= /* Extended data 00 = 8 bit*/ 0<<10| \
/* Frame capture 00 = all */ 0<< 9| \
/* VSPOL*/ 1<< 7| \
/* HSPOL */ 0<< 6| \
/* PCK polarity */ 1<< 5| \
/* Embedded syncro */ 0<< 4| \
/* JPEG */ 0<< 3| \
/* Crop*/ 0<< 2| \
/* Capture mode, 0 = continuous */ 0<< 1| \
/* Capture enable */ 1<< 0;
DCMI->IER = /* LINE_IE */ 0<< 4| \
/* VSYNC_IE */ 0<< 3| \
/* ERR_IE */ 0<< 2| \
/* OVR_IE */ 0<< 1| \
/* FRAME_IE */ 0<< 0;
DCMI->CR |= 0x00004000; /* Enable DCMI */
while(!(DCMI->CR & 0x00004000)); /* Wait until enabled */
}
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hdcmi->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspInit 0 */
/* USER CODE END DCMI_MspInit 0 */
/* Peripheral clock enable */
__DCMI_CLK_ENABLE();
/**DCMI GPIO Configuration
PE4 ------> DCMI_D4
PE5 ------> DCMI_D6
PE6 ------> DCMI_D7
PA4 ------> DCMI_HSYNC
PA6 ------> DCMI_PIXCK
PC6 ------> DCMI_D0
PC7 ------> DCMI_D1
PC8 ------> DCMI_D2
PC9 ------> DCMI_D3
PB6 ------> DCMI_D5
PB7 ------> DCMI_VSYNC
*/
GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Peripheral DMA init*/
hdma_dcmi.Instance = DMA2_Stream1;
hdma_dcmi.Init.Channel = DMA_CHANNEL_1;
hdma_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_dcmi.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dcmi.Init.MemInc = DMA_MINC_ENABLE;
hdma_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_dcmi.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_dcmi.Init.Mode = DMA_NORMAL;
hdma_dcmi.Init.Priority = DMA_PRIORITY_VERY_HIGH;
hdma_dcmi.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
hdma_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_dcmi.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_dcmi);
__HAL_LINKDMA(hdcmi,DMA_Handle,hdma_dcmi);
/* Peripheral interrupt init*/
HAL_NVIC_SetPriority(DCMI_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(DCMI_IRQn);
/* USER CODE BEGIN DCMI_MspInit 1 */
/* USER CODE END DCMI_MspInit 1 */
}
}
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hdcmi->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspInit 0 */
/* USER CODE END DCMI_MspInit 0 */
/* Peripheral clock enable */
__DCMI_CLK_ENABLE();
/**DCMI GPIO Configuration
PE5 ------> DCMI_D6
PE6 ------> DCMI_D7
PD3 ------> DCMI_D5
PG9 ------> DCMI_VSYNC
PH14 ------> DCMI_D4
PH12 ------> DCMI_D3
PA4 ------> DCMI_HSYNC
PH9 ------> DCMI_D0
PH11 ------> DCMI_D2
PA6 ------> DCMI_PIXCLK
PH10 ------> DCMI_D1
*/
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_14|GPIO_PIN_12|GPIO_PIN_9|GPIO_PIN_11
|GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN DCMI_MspInit 1 */
/* USER CODE END DCMI_MspInit 1 */
}
}
