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/**
******************************************************************************
* @file BSP/Src/nor.c
* @author MCD Application Team
* @brief This example code shows how to use the NOR 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)0x0100)
#define WRITE_READ_ADDR ((uint32_t)0x0800)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint16_t nor_aTxBuffer[BUFFER_SIZE];
uint16_t nor_aRxBuffer[BUFFER_SIZE];
uint8_t ubIDStatus = 0, ubEraseStatus = 0, ubWriteStatus = 0, ubReadStatus = 0, ubInitStatus = 0;
/* Private function prototypes -----------------------------------------------*/
static void NOR_SetHint(void);
static void Fill_Buffer(uint16_t *pBuffer, uint32_t uwBufferLenght, uint32_t uwOffset);
static uint8_t Buffercmp(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength);
/* Private functions ---------------------------------------------------------*/
/**
* @brief NOR Demo
* @param None
* @retval None
*/
void NOR_demo(void)
{
/* NOR IDs structure */
static NOR_IDTypeDef pNOR_ID;
NOR_SetHint();
/* STM32F427x/437x/429x/439x "Revision 3" devices: FMC dynamic and static
bank switching is allowed */
if (HAL_GetREVID() >= 0x2000) {}
else
{
/* Disable the LCD to avoid the refrech from the SDRAM */
BSP_LCD_DisplayOff();
}
/*##-1- Configure the NOR device ###########################################*/
/* NOR device configuration */
if(BSP_NOR_Init() != NOR_STATUS_OK)
{
ubInitStatus++;
}
/*##-2- Read & check the NOR device IDs ####################################*/
/* Initialize the ID structure */
pNOR_ID.Manufacturer_Code = (uint16_t)0x00;
pNOR_ID.Device_Code1 = (uint16_t)0x00;
pNOR_ID.Device_Code2 = (uint16_t)0x00;
pNOR_ID.Device_Code3 = (uint16_t)0x00;
/* Read the NOR memory ID */
BSP_NOR_Read_ID(&pNOR_ID);
/* Test the NOR ID correctness */
if(pNOR_ID.Manufacturer_Code != (uint16_t)0x0020)
ubIDStatus++;
else if(pNOR_ID.Device_Code1 != (uint16_t)0x227E)
ubIDStatus++;
else if (pNOR_ID.Device_Code2 != (uint16_t)0x2221)
ubIDStatus++;
else if (pNOR_ID.Device_Code3 != (uint16_t)0x2200)
ubIDStatus++;
/*##-3- Erase NOR memory ###################################################*/
/* Return to read mode */
BSP_NOR_ReturnToReadMode();
if(BSP_NOR_Erase_Block(WRITE_READ_ADDR) != NOR_STATUS_OK)
{
ubEraseStatus++;
}
/*##-4- NOR memory read/write access ######################################*/
/* Fill the buffer to write */
Fill_Buffer(nor_aTxBuffer, BUFFER_SIZE, 0xC20F);
/* Write data to the NOR memory */
if(BSP_NOR_WriteData(WRITE_READ_ADDR, nor_aTxBuffer, BUFFER_SIZE) != NOR_STATUS_OK)
{
ubWriteStatus++;
}
/* Read back data from the NOR memory */
if(BSP_NOR_ReadData(WRITE_READ_ADDR, nor_aRxBuffer, BUFFER_SIZE) != NOR_STATUS_OK)
{
ubReadStatus++;
}
/*##-5- Checking data integrity ############################################*/
/* STM32F427x/437x/429x/439x "Revision 3" devices: FMC dynamic and static
bank switching is allowed */
if (HAL_GetREVID() >= 0x2000) {}
else
{
/* Enable the LCD */
BSP_LCD_DisplayOn();
/* SDRAM initialization */
BSP_SDRAM_Init();
}
if(ubIDStatus != 0)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"NOR Read ID : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
if(ubInitStatus != 0)
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"NOR Initialization : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 100, (uint8_t *)"NOR Initialization : OK.", LEFT_MODE);
}
if(ubEraseStatus != 0)
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"NOR ERASE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 115, (uint8_t *)"NOR ERASE : OK. ", LEFT_MODE);
}
if(ubWriteStatus != 0)
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"NOR WRITE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 130, (uint8_t *)"NOR WRITE : OK. ", LEFT_MODE);
}
if(ubReadStatus != 0)
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"NOR READ : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 145, (uint8_t *)"NOR READ : OK. ", LEFT_MODE);
}
if(Buffercmp(nor_aRxBuffer, nor_aTxBuffer, BUFFER_SIZE) > 0)
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"NOR COMPARE : FAILED.", LEFT_MODE);
BSP_LCD_DisplayStringAt(20, 175, (uint8_t *)"NOR Test Aborted.", LEFT_MODE);
}
else
{
BSP_LCD_DisplayStringAt(20, 160, (uint8_t *)"NOR Test : OK. ", LEFT_MODE);
}
}
while (1)
{
if(CheckForUserInput() > 0)
{
return;
}
}
}
/**
* @brief Display NOR Demo Hint
* @param None
* @retval None
*/
static void NOR_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 *)"NOR", 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 NOR", 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(uint16_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(uint16_t* pBuffer1, uint16_t* pBuffer2, uint16_t BufferLength)
{
while (BufferLength--)
{
if (*pBuffer1 != *pBuffer2)
{
return 1;
}
pBuffer1++;
pBuffer2++;
}
return 0;
}
/**
* @}
*/
/**
* @}
*/
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