/******************** (C) COPYRIGHT 2007 STMicroelectronics ********************
* File Name          : main.c
* Author             : MCD Application Team
* Version            : V2.0
* Date               : 12/07/2007
* Description        : The example aims to write a Tx_Buffer into 
*                      sector0 of SSP Flash available on MB460 board and then 
*                      make a comparison with the read data to check if the 
*                      operation is done successfully.
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
* CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME. AS
* A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
* OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
* OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
* CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Includes ------------------------------------------------------------------*/
#include "91x_lib.h"
#include "ssp_flash_driver.h"


/* Private typedef -----------------------------------------------------------*/
typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;

/* Private define ------------------------------------------------------------*/
#define  FLASH_WriteAddress  0x0
#define  FLASH_ReadAddress   0x0


/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/

u8 Rx_Buffer[0x1E8];
volatile TestStatus TransferStatus;
GPIO_InitTypeDef GPIO_InitStructure;
 u8 Tx_Buffer[0x1E8] = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8,
  0xFC, 0xFC, 0xFC, 0xFC, 0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x3C, 0x3C, 0x3C,
  0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C,
  0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C,
  0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C,
  0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C,
  0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x3C, 0x1C, 0x0C,
  0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE, 0xFF,
  0xFF, 0xFF, 0xFF, 0xE7, 0xC1, 0xC1, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x18,
  0x3C, 0x3C, 0x3C, 0x7C, 0x7C, 0x7C, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC,
  0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC,
  0xFC, 0xFC, 0xFC, 0xFC, 0x7C, 0x3C, 0x1C, 0x0C, 0x04, 0x00, 0x00, 0x00, 0x00,
  0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xFC,
  0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0x7C, 0x3C, 0x1C, 0x0C, 0x04, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x40, 0x60, 0x70, 0x78, 0x7C, 0x7E, 0x7F, 0x7F, 0x7F, 0x7F,
  0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F,
  0x7F, 0x7F, 0x7E, 0x7E, 0x7C, 0x7C, 0x78, 0x78, 0x70, 0x70, 0x60, 0x60, 0x00,
  0x00, 0x01, 0x01, 0x01, 0x03, 0x03, 0x87, 0x87, 0xCF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x01, 0x00, 0x00, 0x80, 0xC0, 0xE0,
  0xF0, 0xF8, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  0xFF, 0xFF, 0x7F, 0x3F, 0x1F, 0x0F, 0x07, 0x03, 0x81, 0xC0, 0xC0, 0xC0, 0x80,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x08, 0x08, 0x08, 0x0C, 0x0C, 0x0C, 0x0E, 0x0E, 0x0E, 0x0F, 0x0F, 0x0F, 0x0F,
  0x0F, 0x0F, 0x07, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x0C,
  0x0E, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
  0x0F, 0x0F, 0x0F, 0x07, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x1F,
  0x3F, 0x60, 0x7A, 0x65, 0x3F, 0x1F, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

/* Private function prototypes -----------------------------------------------*/
void SCU_Configuration(void);
TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength);


/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name  : main
* Description    : Main program
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
int main(void)
{

#ifdef DEBUG
    debug();
#endif

  /* Configure the system clocks */
  SCU_Configuration();

  /* Initialize the SPI FLASH driver */
  SSP_FLASH_Init();

  /* Erase the sector to write on */
  SSP_FLASH_SectorErase(0);

  /* Perform a write in the Flash followed by a read of the written data */
  /* Write the Tx_Buffer on SPI FLASH starting from address 0x0 */
  SSP_FLASH_BufferWrite(Tx_Buffer, FLASH_WriteAddress, 0x1E8);

  /* Read the Rx_Buffer from SPI FLASH starting from address 0x0 */
  SSP_FLASH_BufferRead(Rx_Buffer, FLASH_ReadAddress, 0x1E8);


  /* Check the read data with the writen data*/
  TransferStatus = Buffercmp(Tx_Buffer, Rx_Buffer, 0x1E8);
  /* TransferStatus = PASSED, if the data written data and the read value are
   the same TransferStatus = FAILED, if the data written data and the read value 
   are not  the same*/
 
 while(1);
}

/*******************************************************************************
* Function Name  : SCU_Configuration
* Description    : Configures the Master clock @96MHz and the Main system 
*                  configuration and Clocks (FMI,PLL,RCLK,HCLK,PCLK ,MCLK )
*                  and enable clocks for peripherals.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SCU_Configuration(void)
{
  SCU_MCLKSourceConfig(SCU_MCLK_OSC);	/* Default configuration */
  
  /*wait state insertion :This function should be executed from SRAM when*/
  /*booting from bank1 to avoid  Read-While-Write from the Same Bank.*/
  FMI_Config(FMI_READ_WAIT_STATE_2, FMI_WRITE_WAIT_STATE_0, FMI_PWD_ENABLE,\
                 FMI_LVD_ENABLE, FMI_FREQ_HIGH);/*Insert 2 Wait States for read*/
                                                
  SCU_PLLFactorsConfig(192, 25, 2); /* PLL factors Configuration based on*/
                                        /* a OSC/Crystal value = 25Mhz*/     
  SCU_PLLCmd(ENABLE);  /* PLL Enable and wait for Locking*/     
  SCU_RCLKDivisorConfig(SCU_RCLK_Div1); /* RCLK @96Mhz */
  SCU_HCLKDivisorConfig(SCU_HCLK_Div1); /* AHB @96Mhz */
  SCU_FMICLKDivisorConfig(SCU_FMICLK_Div1);/* FMI @96Mhz */
  SCU_PCLKDivisorConfig(SCU_PCLK_Div2); /* APB @48Mhz */
  SCU_MCLKSourceConfig(SCU_MCLK_PLL);  /* MCLK @96Mhz */
   
    /* Enable the __SSP0 Clock */
  SCU_APBPeriphClockConfig(__SSP0 ,ENABLE);
  SCU_APBPeriphReset(__SSP0, DISABLE);

  /* Enable the __GPIO5 for SSP0 Clock */
  SCU_APBPeriphClockConfig(__GPIO5 ,ENABLE);
  SCU_APBPeriphReset(__GPIO5, DISABLE);

}
/*******************************************************************************
* Function Name  : Buffercmp
* Description    : Compares two buffers.
* Input          : - pBuffer1, pBuffer2: buffers to be compared.
*                : - BufferLength: buffer's length
* Output         : None
* Return         : PASSED: pBuffer1 identical to pBuffer2
*                  FAILED: pBuffer1 differs from pBuffer2
*******************************************************************************/
TestStatus Buffercmp(u8* pBuffer1, u8* pBuffer2, u16 BufferLength)
{
  while(BufferLength--)
  {
    if(*pBuffer1 != *pBuffer2)
    {
      return FAILED;
    }

    pBuffer1++;
    pBuffer2++;
  }

  return PASSED;
}
/******************* (C) COPYRIGHT 2007 STMicroelectronics *****END OF FILE****/