mirror of
https://github.com/STMicroelectronics/STM32CubeF7.git
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250 lines
7.3 KiB
C
250 lines
7.3 KiB
C
/**
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******************************************************************************
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* @file BSP/Src/nor.c
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* @author MCD Application Team
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* @brief This example code shows how to use the NOR Driver
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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/** @addtogroup STM32F7xx_HAL_Examples
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* @{
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*/
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/** @addtogroup BSP
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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#define BUFFER_SIZE ((uint32_t)0x1000)
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#define WRITE_READ_ADDR ((uint32_t)0x0800)
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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uint16_t nor_aTxBuffer[BUFFER_SIZE];
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uint16_t nor_aRxBuffer[BUFFER_SIZE];
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uint8_t ubIDStatus = 0, ubEraseStatus = 0, ubWriteStatus = 0, ubReadStatus = 0, ubInitStatus = 0;
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/* Private function prototypes -----------------------------------------------*/
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static void NOR_SetHint(void);
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static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset);
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static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief NOR Demo
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* @param None
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* @retval None
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*/
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void NOR_demo (void)
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{
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/* NOR IDs structure */
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static NOR_IDTypeDef pNOR_ID;
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NOR_SetHint();
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/*##-1- Configure the NOR device ###########################################*/
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/* NOR device configuration */
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if(BSP_NOR_Init() != NOR_STATUS_OK)
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{
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ubInitStatus++;
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}
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/*##-2- Read & check the NOR device IDs ####################################*/
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/* Initialize the ID structure */
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pNOR_ID.Manufacturer_Code = (uint16_t)0x00;
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pNOR_ID.Device_Code1 = (uint16_t)0x00;
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pNOR_ID.Device_Code2 = (uint16_t)0x00;
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pNOR_ID.Device_Code3 = (uint16_t)0x00;
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/* Read the NOR memory ID */
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BSP_NOR_Read_ID(&pNOR_ID);
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/* Test the NOR ID correctness */
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if(pNOR_ID.Manufacturer_Code != (uint16_t)0x0020)
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ubIDStatus++;
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else if(pNOR_ID.Device_Code1 != (uint16_t)0x227E)
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ubIDStatus++;
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else if (pNOR_ID.Device_Code2 != (uint16_t)0x2221)
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ubIDStatus++;
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else if (pNOR_ID.Device_Code3 != (uint16_t)0x2200)
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ubIDStatus++;
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/*##-3- Erase NOR memory ###################################################*/
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/* Return to read mode */
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BSP_NOR_ReturnToReadMode();
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if(BSP_NOR_Erase_Block(WRITE_READ_ADDR) != NOR_STATUS_OK)
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{
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ubEraseStatus++;
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}
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/*##-4- NOR memory read/write access ######################################*/
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/* Fill the buffer to write */
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Fill_Buffer(nor_aTxBuffer, BUFFER_SIZE, 0xD20F);
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/* Write data to the NOR memory */
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if(BSP_NOR_WriteData(WRITE_READ_ADDR, nor_aTxBuffer, BUFFER_SIZE) != NOR_STATUS_OK)
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{
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ubWriteStatus++;
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}
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/* Read back data from the NOR memory */
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if(BSP_NOR_ReadData(WRITE_READ_ADDR, nor_aRxBuffer, BUFFER_SIZE) != NOR_STATUS_OK)
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{
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ubReadStatus++;
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}
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/*##-5- Checking data integrity ############################################*/
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/* Enable the LCD */
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BSP_LCD_DisplayOn();
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if(ubInitStatus != 0)
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{
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BSP_LCD_DisplayStringAt(20, 100, (uint8_t*)"NOR Initialization : FAILED.", LEFT_MODE);
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BSP_LCD_DisplayStringAt(20, 115, (uint8_t*)"NOR Test Aborted.", LEFT_MODE);
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}
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else
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{
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BSP_LCD_DisplayStringAt(20, 100, (uint8_t*)"NOR Initialization : OK.", LEFT_MODE);
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}
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if(ubEraseStatus != 0)
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{
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BSP_LCD_DisplayStringAt(20, 115, (uint8_t*)"NOR ERASE : FAILED.", LEFT_MODE);
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BSP_LCD_DisplayStringAt(20, 130, (uint8_t*)"NOR Test Aborted.", LEFT_MODE);
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}
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else
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{
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BSP_LCD_DisplayStringAt(20, 115, (uint8_t*)"NOR ERASE : OK. ", LEFT_MODE);
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}
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if(ubWriteStatus != 0)
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{
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BSP_LCD_DisplayStringAt(20, 130, (uint8_t*)"NOR WRITE : FAILED.", LEFT_MODE);
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BSP_LCD_DisplayStringAt(20, 145, (uint8_t*)"NOR Test Aborted.", LEFT_MODE);
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}
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else
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{
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BSP_LCD_DisplayStringAt(20, 130, (uint8_t*)"NOR WRITE : OK. ", LEFT_MODE);
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}
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if(ubReadStatus != 0)
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{
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BSP_LCD_DisplayStringAt(20, 145, (uint8_t*)"NOR READ : FAILED.", LEFT_MODE);
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BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)"NOR Test Aborted.", LEFT_MODE);
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}
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else
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{
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BSP_LCD_DisplayStringAt(20, 145, (uint8_t*)"NOR READ : OK. ", LEFT_MODE);
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}
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if(Buffercmp(nor_aRxBuffer, nor_aTxBuffer, BUFFER_SIZE) > 0)
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{
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BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)"NOR COMPARE : FAILED.", LEFT_MODE);
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BSP_LCD_DisplayStringAt(20, 175, (uint8_t*)"NOR Test Aborted.", LEFT_MODE);
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}
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else
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{
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BSP_LCD_DisplayStringAt(20, 160, (uint8_t*)"NOR Test : OK. ", LEFT_MODE);
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}
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while (1)
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{
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if(CheckForUserInput() > 0)
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{
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return;
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}
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}
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}
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/**
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* @brief Display NOR Demo Hint
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* @param None
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* @retval None
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*/
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static void NOR_SetHint(void)
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{
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/* Clear the LCD */
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BSP_LCD_Clear(LCD_COLOR_WHITE);
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/* Set LCD Demo description */
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), 80);
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BSP_LCD_SetTextColor(LCD_COLOR_WHITE);
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BSP_LCD_SetBackColor(LCD_COLOR_BLUE);
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BSP_LCD_SetFont(&Font24);
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BSP_LCD_DisplayStringAt(0, 0, (uint8_t*)"NOR", CENTER_MODE);
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BSP_LCD_SetFont(&Font12);
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BSP_LCD_DisplayStringAt(0, 30, (uint8_t*)"This example shows how to write", CENTER_MODE);
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BSP_LCD_DisplayStringAt(0, 45, (uint8_t*)"and read data on NOR", CENTER_MODE);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_COLOR_BLUE);
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BSP_LCD_DrawRect(10, 90, BSP_LCD_GetXSize() - 20, BSP_LCD_GetYSize()- 100);
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BSP_LCD_DrawRect(11, 91, BSP_LCD_GetXSize() - 22, BSP_LCD_GetYSize()- 102);
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BSP_LCD_SetTextColor(LCD_COLOR_BLACK);
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BSP_LCD_SetBackColor(LCD_COLOR_WHITE);
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}
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/**
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* @brief Fills buffer with user predefined data.
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* @param pBuffer: pointer on the buffer to fill
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* @param uwBufferLenght: size of the buffer to fill
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* @param uwOffset: first value to fill on the buffer
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* @retval None
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*/
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static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset)
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{
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uint32_t tmpIndex = 0;
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/* Put in global buffer different values */
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for (tmpIndex = 0; tmpIndex < uwBufferLenght; tmpIndex++ )
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{
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pBuffer[tmpIndex] = tmpIndex + uwOffset;
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}
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}
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/**
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* @brief Compares two buffers.
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* @param pBuffer1, pBuffer2: buffers to be compared.
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* @param BufferLength: buffer's length
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* @retval 1: pBuffer identical to pBuffer1
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* 0: pBuffer differs from pBuffer1
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*/
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static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength)
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{
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while (BufferLength--)
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{
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if (*pBuffer1 != *pBuffer2)
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{
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return 1;
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}
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pBuffer1++;
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pBuffer2++;
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}
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return 0;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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