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/**
******************************************************************************
* @file BSP/Src/qspi.c
* @author MCD Application Team
* @brief This example code shows how to use the QSPI Driver
******************************************************************************
* @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 BSP
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define BUFFER_SIZE ((uint32_t)0x0200)
#define WRITE_READ_ADDR ((uint32_t)0x0050)
#define HEADBAND_HEIGHT 64
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t qspi_aTxBuffer[BUFFER_SIZE];
uint8_t qspi_aRxBuffer[BUFFER_SIZE];
/* Private function prototypes -----------------------------------------------*/
static void QSPI_SetHint(void);
static void Fill_Buffer (uint8_t *pBuffer, uint32_t uwBufferLength, uint32_t uwOffset);
static uint8_t Buffercmp (uint8_t* pBuffer1, uint8_t* pBuffer2, uint32_t BufferLength);
/* Private functions ---------------------------------------------------------*/
/**
* @brief QSPI Demo
* @param None
* @retval None
*/
void QSPI_demo (void)
{
/* QSPI info structure */
static QSPI_Info pQSPI_Info;
uint8_t status;
QSPI_SetHint();
/*##-1- Configure the QSPI device ##########################################*/
/* QSPI device configuration */
status = BSP_QSPI_Init();
if ((status == QSPI_NOT_SUPPORTED) || (status == QSPI_ERROR))
{
BSP_LCD_DisplayStringAt(5, 70, (uint8_t*)"QSPI Init : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 85, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 70, (uint8_t*)"QSPI Init : OK", LEFT_MODE);
/*##-2- Read & check the QSPI info #######################################*/
/* Initialize the structure */
pQSPI_Info.FlashSize = (uint32_t)0x00;
pQSPI_Info.EraseSectorSize = (uint32_t)0x00;
pQSPI_Info.EraseSectorsNumber = (uint32_t)0x00;
pQSPI_Info.ProgPageSize = (uint32_t)0x00;
pQSPI_Info.ProgPagesNumber = (uint32_t)0x00;
/* Read the QSPI memory info */
BSP_QSPI_GetInfo(&pQSPI_Info);
/* Test the correctness */
if((pQSPI_Info.FlashSize != 0x1000000) || (pQSPI_Info.EraseSectorSize != 0x1000) ||
(pQSPI_Info.ProgPageSize != 0x100) || (pQSPI_Info.EraseSectorsNumber != 4096) ||
(pQSPI_Info.ProgPagesNumber != 65536))
{
BSP_LCD_DisplayStringAt(5, 85, (uint8_t*)"QSPI GET INFO : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 100, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 85, (uint8_t*)"QSPI GET INFO : OK", LEFT_MODE);
/*##-3- Erase QSPI memory ################################################*/
if(BSP_QSPI_Erase_Block(WRITE_READ_ADDR) != QSPI_OK)
{
BSP_LCD_DisplayStringAt(5, 100, (uint8_t*)"QSPI ERASE : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 115, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 100, (uint8_t*)"QSPI ERASE : OK", LEFT_MODE);
/*##-4- QSPI memory read/write access #################################*/
/* Fill the buffer to write */
Fill_Buffer(qspi_aTxBuffer, BUFFER_SIZE, 0xD20F);
/* Write data to the QSPI memory */
if(BSP_QSPI_Write(qspi_aTxBuffer, WRITE_READ_ADDR, BUFFER_SIZE) != QSPI_OK)
{
BSP_LCD_DisplayStringAt(5, 115, (uint8_t*)"QSPI WRITE : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 130, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 115, (uint8_t*)"QSPI WRITE : OK", LEFT_MODE);
/* Read back data from the QSPI memory */
if(BSP_QSPI_Read(qspi_aRxBuffer, WRITE_READ_ADDR, BUFFER_SIZE) != QSPI_OK)
{
BSP_LCD_DisplayStringAt(5, 130, (uint8_t*)"QSPI READ : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 145, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 130, (uint8_t*)"QSPI READ : OK", LEFT_MODE);
/*##-5- Checking data integrity ############################################*/
if(Buffercmp(qspi_aRxBuffer, qspi_aTxBuffer, BUFFER_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(5, 145, (uint8_t*)"QSPI COMPARE : FAILED", LEFT_MODE);
BSP_LCD_DisplayStringAt(5, 160, (uint8_t*)"QSPI Test Aborted", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(5, 145, (uint8_t*)"QSPI Test : OK", LEFT_MODE);
}
}
}
}
}
}
while (1)
{
if(CheckForUserInput() > 0)
{
BSP_QSPI_DeInit();
return;
}
}
}
/**
* @brief Display QSPI Demo Hint
* @param None
* @retval None
*/
static void QSPI_SetHint(void)
{
/* Clear the LCD */
BSP_LCD_Clear(LCD_COLOR_WHITE);
/* Set LCD Demo description */
BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), HEADBAND_HEIGHT);
BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
BSP_LCD_SetFont(&Font16);
BSP_LCD_DisplayStringAt(0, 1, (uint8_t*)"QSPI", CENTER_MODE);
BSP_LCD_SetFont(&Font12);
BSP_LCD_DisplayStringAt(0, 20, (uint8_t*)"This example shows how to", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 35, (uint8_t*)"write and read data on", CENTER_MODE);
BSP_LCD_DisplayStringAt(0, 50, (uint8_t*)"QSPI flash memory", CENTER_MODE);
/* Set the LCD Text Color */
BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
}
/**
* @brief Fills buffer with user predefined data.
* @param pBuffer: pointer on the buffer to fill
* @param uwBufferLenght: size of the buffer to fill
* @param uwOffset: first value to fill on the buffer
* @retval None
*/
static void Fill_Buffer(uint8_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset)
{
uint32_t tmpIndex = 0;
/* Put in global buffer different values */
for (tmpIndex = 0; tmpIndex < uwBufferLenght; tmpIndex++ )
{
pBuffer[tmpIndex] = tmpIndex + uwOffset;
}
}
/**
* @brief Compares two buffers.
* @param pBuffer1, pBuffer2: buffers to be compared.
* @param BufferLength: buffer's length
* @retval 1: pBuffer identical to pBuffer1
* 0: pBuffer differs from pBuffer1
*/
static uint8_t Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint32_t BufferLength)
{
while (BufferLength--)
{
if (*pBuffer1 != *pBuffer2)
{
return 1;
}
pBuffer1++;
pBuffer2++;
}
return 0;
}
/**
* @}
*/
/**
* @}
*/
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