Files
TencentOS-tiny/board/BearPi_STM32L562RE/BSP/Src/octospi.c
supowang 13d5ea043a add BearPi L5 support
add BearPi L5 support
2021-03-15 14:32:11 +08:00

132 lines
3.9 KiB
C

/**
******************************************************************************
* File Name : OCTOSPI.c
* Description : This file provides code for the configuration
* of the OCTOSPI 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 "octospi.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
OSPI_HandleTypeDef hospi1;
/* OCTOSPI1 init function */
void MX_OCTOSPI1_Init(void)
{
hospi1.Instance = OCTOSPI1;
hospi1.Init.FifoThreshold = 1;
hospi1.Init.DualQuad = HAL_OSPI_DUALQUAD_DISABLE;
hospi1.Init.MemoryType = HAL_OSPI_MEMTYPE_MICRON;
hospi1.Init.DeviceSize = 32;
hospi1.Init.ChipSelectHighTime = 1;
hospi1.Init.FreeRunningClock = HAL_OSPI_FREERUNCLK_DISABLE;
hospi1.Init.ClockMode = HAL_OSPI_CLOCK_MODE_0;
hospi1.Init.WrapSize = HAL_OSPI_WRAP_NOT_SUPPORTED;
hospi1.Init.ClockPrescaler = 1;
hospi1.Init.SampleShifting = HAL_OSPI_SAMPLE_SHIFTING_NONE;
hospi1.Init.DelayHoldQuarterCycle = HAL_OSPI_DHQC_DISABLE;
hospi1.Init.ChipSelectBoundary = 0;
hospi1.Init.DelayBlockBypass = HAL_OSPI_DELAY_BLOCK_BYPASSED;
hospi1.Init.Refresh = 0;
if (HAL_OSPI_Init(&hospi1) != HAL_OK)
{
Error_Handler();
}
}
void HAL_OSPI_MspInit(OSPI_HandleTypeDef* ospiHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
if(ospiHandle->Instance==OCTOSPI1)
{
/* USER CODE BEGIN OCTOSPI1_MspInit 0 */
/* USER CODE END OCTOSPI1_MspInit 0 */
/** Initializes the peripherals clock
*/
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_OSPI;
PeriphClkInit.OspiClockSelection = RCC_OSPICLKSOURCE_SYSCLK;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
/* OCTOSPI1 clock enable */
__HAL_RCC_OSPI1_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**OCTOSPI1 GPIO Configuration
PB0 ------> OCTOSPI1_IO1
PB1 ------> OCTOSPI1_IO0
PB10 ------> OCTOSPI1_CLK
PB11 ------> OCTOSPI1_NCS
*/
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OCTOSPI1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* OCTOSPI1 interrupt Init */
HAL_NVIC_SetPriority(OCTOSPI1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(OCTOSPI1_IRQn);
/* USER CODE BEGIN OCTOSPI1_MspInit 1 */
/* USER CODE END OCTOSPI1_MspInit 1 */
}
}
void HAL_OSPI_MspDeInit(OSPI_HandleTypeDef* ospiHandle)
{
if(ospiHandle->Instance==OCTOSPI1)
{
/* USER CODE BEGIN OCTOSPI1_MspDeInit 0 */
/* USER CODE END OCTOSPI1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_OSPI1_CLK_DISABLE();
/**OCTOSPI1 GPIO Configuration
PB0 ------> OCTOSPI1_IO1
PB1 ------> OCTOSPI1_IO0
PB10 ------> OCTOSPI1_CLK
PB11 ------> OCTOSPI1_NCS
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11);
/* OCTOSPI1 interrupt Deinit */
HAL_NVIC_DisableIRQ(OCTOSPI1_IRQn);
/* USER CODE BEGIN OCTOSPI1_MspDeInit 1 */
/* USER CODE END OCTOSPI1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/