Files
TencentOS-tiny/board/NUCLEO_STM32L496ZG/BSP/Src/dcmi.c
2020-12-08 17:16:20 +08:00

209 lines
6.3 KiB
C

/**
******************************************************************************
* File Name : DCMI.c
* Description : This file provides code for the configuration
* of the DCMI instances.
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "dcmi.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
DCMI_HandleTypeDef hdcmi;
DMA_HandleTypeDef hdma_dcmi;
/* DCMI init function */
void MX_DCMI_Init(void)
{
hdcmi.Instance = DCMI;
hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_LOW;
hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_LOW;
hdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME;
hdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
hdcmi.Init.JPEGMode = DCMI_JPEG_ENABLE;
hdcmi.Init.ByteSelectMode = DCMI_BSM_ALL;
hdcmi.Init.ByteSelectStart = DCMI_OEBS_ODD;
hdcmi.Init.LineSelectMode = DCMI_LSM_ALL;
hdcmi.Init.LineSelectStart = DCMI_OELS_ODD;
if (HAL_DCMI_Init(&hdcmi) != HAL_OK)
{
Error_Handler();
}
}
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* dcmiHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(dcmiHandle->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspInit 0 */
/* USER CODE END DCMI_MspInit 0 */
/* DCMI clock enable */
__HAL_RCC_DCMI_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**DCMI GPIO Configuration
PE4 ------> DCMI_D4
PE5 ------> DCMI_D6
PE6 ------> DCMI_D7
PA4 ------> DCMI_HSYNC
PD9 ------> DCMI_PIXCLK
PC6 ------> DCMI_D0
PC7 ------> DCMI_D1
PC8 ------> DCMI_D2
PC9 ------> DCMI_D3
PD3 ------> 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_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_DCMI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_DCMI;
HAL_GPIO_Init(GPIOA, &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_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_DCMI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_DCMI;
HAL_GPIO_Init(GPIOC, &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_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF4_DCMI;
HAL_GPIO_Init(GPIOC, &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_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF4_DCMI;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF10_DCMI;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* DCMI DMA Init */
/* DCMI Init */
hdma_dcmi.Instance = DMA2_Channel6;
hdma_dcmi.Init.Request = DMA_REQUEST_0;
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_WORD;
hdma_dcmi.Init.Mode = DMA_CIRCULAR;
hdma_dcmi.Init.Priority = DMA_PRIORITY_HIGH;
if (HAL_DMA_Init(&hdma_dcmi) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(dcmiHandle,DMA_Handle,hdma_dcmi);
/* DCMI 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_MspDeInit(DCMI_HandleTypeDef* dcmiHandle)
{
if(dcmiHandle->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspDeInit 0 */
/* USER CODE END DCMI_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_DCMI_CLK_DISABLE();
/**DCMI GPIO Configuration
PE4 ------> DCMI_D4
PE5 ------> DCMI_D6
PE6 ------> DCMI_D7
PA4 ------> DCMI_HSYNC
PD9 ------> DCMI_PIXCLK
PC6 ------> DCMI_D0
PC7 ------> DCMI_D1
PC8 ------> DCMI_D2
PC9 ------> DCMI_D3
PD3 ------> DCMI_D5
PB7 ------> DCMI_VSYNC
*/
HAL_GPIO_DeInit(GPIOE, GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4);
HAL_GPIO_DeInit(GPIOD, GPIO_PIN_9|GPIO_PIN_3);
HAL_GPIO_DeInit(GPIOC, GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
/* DCMI DMA DeInit */
HAL_DMA_DeInit(dcmiHandle->DMA_Handle);
/* DCMI interrupt Deinit */
HAL_NVIC_DisableIRQ(DCMI_IRQn);
/* USER CODE BEGIN DCMI_MspDeInit 1 */
/* USER CODE END DCMI_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/