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/**
******************************************************************************
* @file FMC/FMC_PSRAM_PreInitConfig/Src/main.c
* @author MCD Application Team
* @brief This example describes how to configure and use QuadSPI through
* the STM32F4xx HAL API.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/** @addtogroup STM32F4xx_HAL_Examples
* @{
*/
/** @addtogroup FMC_PSRAM_PreInitConfig
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
#if defined(__ICCARM__)
#pragma section =".psram"
#endif
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void GpioToggle(void);
/* Private functions ---------------------------------------------------------*/
/**
* @brief Main program
* @param None
* @retval None
*/
int main(void)
{
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
/* Configure LEDs */
BSP_LED_Init(LED4);
BSP_LED_Init(LED3);
while(1)
{
/* Execute the code from PSRAM memory ------------------------------------ */
GpioToggle();
}
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* Infinite loop */
while (1)
{
}
}
#endif
/**
* @brief Toggle the GPIOs
* @param None
* @retval None
*/
#if defined(__CC_ARM)
#pragma arm section code = ".psram"
#pragma no_inline
static void GpioToggle(void)
#elif defined(__ICCARM__)
static void GpioToggle(void) @ ".psram"
#elif defined(__GNUC__)
static void __attribute__((section(".psram"), noinline)) GpioToggle(void)
#endif
{
BSP_LED_Toggle(LED4);
/* Insert delay 200 ms */
HAL_Delay(200);
BSP_LED_Toggle(LED3);
/* Insert delay 200 ms */
HAL_Delay(200);
}
#if defined(__CC_ARM)
#pragma arm section code
#endif
/**
* @}
*/
/**
* @}
*/
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