BSP
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Outline
Includes
#include "main.h"
Private define
#define BUFFER_SIZE
#define WRITE_READ_ADDR
Private variables
qspi_aTxBuffer
qspi_aRxBuffer
Private function prototypes
QSPI_demo()
QSPI_SetHint()
Fill_Buffer(uint8_t *, uint32_t, uint32_t)
Buffercmp(uint8_t *, uint8_t *, uint32_t)
Files
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CodeScopeSTM32 Libraries and SamplesBSPSrc/qspi.c
 
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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 * @{ *//* ... */ Includes/* External variables --------------------------------------------------------*/ /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ #define BUFFER_SIZE ((uint32_t)0x0200) #define WRITE_READ_ADDR ((uint32_t)0x0050) Private define /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ uint8_t qspi_aTxBuffer[BUFFER_SIZE]; uint8_t qspi_aRxBuffer[BUFFER_SIZE]; Private variables /* 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 function prototypes /* Private functions ---------------------------------------------------------*/ /** * @brief QSPI Demo * @param None * @retval None *//* ... */ void QSPI_demo (void) { /* QSPI info structure */ static QSPI_InfoTypeDef pQSPI_Info; uint8_t status; QSPI_SetHint(); /*##-1- Configure the QSPI device ##########################################*/ /* QSPI device configuration */ status = BSP_QSPI_Init(); if (status == QSPI_NOT_SUPPORTED) { BSP_LCD_DisplayStringAt(20, 100, (uint8_t*)"QSPI Initialization : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 115, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 145, (uint8_t*)"Check the hardware configuration :", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)" refer to the UM of the board", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 175, (uint8_t*)" for the hardware modifications", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 190, (uint8_t*)" to connect the QSPI memory", LEFT_MODE); }if (status == QSPI_NOT_SUPPORTED) { ... } else if (status == QSPI_ERROR) { BSP_LCD_DisplayStringAt(20, 100, (uint8_t*)"QSPI Initialization : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 115, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }else if (status == QSPI_ERROR) { ... } else { BSP_LCD_DisplayStringAt(20, 100, (uint8_t*)"QSPI Initialization : 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(20, 115, (uint8_t*)"QSPI GET INFO : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 130, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }if ((pQSPI_Info.FlashSize != 0x1000000) || (pQSPI_Info.EraseSectorSize != 0x1000) || (pQSPI_Info.ProgPageSize != 0x100) || (pQSPI_Info.EraseSectorsNumber != 4096) || (pQSPI_Info.ProgPagesNumber != 65536)) { ... } else { BSP_LCD_DisplayStringAt(20, 115, (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(20, 130, (uint8_t*)"QSPI ERASE : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 145, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }if (BSP_QSPI_Erase_Block(WRITE_READ_ADDR) != QSPI_OK) { ... } else { BSP_LCD_DisplayStringAt(20, 130, (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(20, 145, (uint8_t*)"QSPI WRITE : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }if (BSP_QSPI_Write(qspi_aTxBuffer, WRITE_READ_ADDR, BUFFER_SIZE) != QSPI_OK) { ... } else { BSP_LCD_DisplayStringAt(20, 145, (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(20, 160, (uint8_t*)"QSPI READ : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 175, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }if (BSP_QSPI_Read(qspi_aRxBuffer, WRITE_READ_ADDR, BUFFER_SIZE) != QSPI_OK) { ... } else { BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)"QSPI READ : OK. ", LEFT_MODE); /*##-5- Checking data integrity ############################################*/ if(Buffercmp(qspi_aRxBuffer, qspi_aTxBuffer, BUFFER_SIZE) > 0) { BSP_LCD_DisplayStringAt(20, 175, (uint8_t*)"QSPI COMPARE : FAILED.", LEFT_MODE); BSP_LCD_DisplayStringAt(20, 190, (uint8_t*)"QSPI Test Aborted.", LEFT_MODE); }if (Buffercmp(qspi_aRxBuffer, qspi_aTxBuffer, BUFFER_SIZE) > 0) { ... } else { BSP_LCD_DisplayStringAt(20, 175, (uint8_t*)"QSPI Test : OK. ", LEFT_MODE); }else { ... } }else { ... } }else { ... } }else { ... } }else { ... } }else { ... } while (1) { if(CheckForUserInput() > 0) { return; }if (CheckForUserInput() > 0) { ... } }while (1) { ... } }{ ... } /** * @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(), 80); BSP_LCD_SetTextColor(LCD_COLOR_WHITE); BSP_LCD_SetBackColor(LCD_COLOR_BLUE); BSP_LCD_SetFont(&Font24); BSP_LCD_DisplayStringAt(0, 0, (uint8_t*)"QSPI", CENTER_MODE); BSP_LCD_SetFont(&Font12); BSP_LCD_DisplayStringAt(0, 30, (uint8_t*)"This example shows how to write", CENTER_MODE); BSP_LCD_DisplayStringAt(0, 45, (uint8_t*)"and read data on QSPI memory", CENTER_MODE); BSP_LCD_DisplayStringAt(0, 60, (uint8_t*)"(Hardware modifications needed)", CENTER_MODE); /* Set the LCD Text Color */ BSP_LCD_SetTextColor(LCD_COLOR_BLUE); BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize()- 100); BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize()- 102); 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; }for (tmpIndex = 0; tmpIndex < uwBufferLenght; tmpIndex++) { ... } }{ ... } /** * @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; }if (*pBuffer1 != *pBuffer2) { ... } pBuffer1++; pBuffer2++; }while (BufferLength--) { ... } return 0; }{ ... } /** * @} *//* ... */ /** * @} *//* ... */