f330_w25p16_dm413.ver.3.03.c

利用SPI讀取Flash Memory W25P16的過程

//
// File Name:F330_W25P16_DM413.ver.3.03.c
//----------------------------------------------------------------------------
// Project Name: W25P16
// Module Name: 16MBytes Flash Memory
//----------------------------------------------------------------------------
//
// Company:Semiconductor Device Solution, Inc 
//         http://www.sdsi.com.tw/
//
// Engineer: Owen Chen
// Create Date: 13:30:00 10/03/2007 
// Updata Date: 10:30:00 10/15/2007 
// Revision: 3.03
//
// Description:
//             . Winbond W25P16 16MBytes Flash Memory
//             . Read / Write Status Register
//             . Read / Write Page Program
//             . Erase
//             . RS232  
//             . DM413            
//                                           
// 
// Target Devcies: C8051F330
//
// Tool Chain: Tool chain: KEIL Eval 'c'
// Copyright Semiconductor Device Solution, Inc .All Rights Reserved
//
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
// Includes
//-----------------------------------------------------------------------------

#include <c8051f330.h>                 // SFR declarations
#define High      1
#define Low       0
#define Header1  0x48
#define Header6  0xFE
sfr16 TMR2RL   = 0xca;                    // Timer2 reload value
sfr16 TMR2     = 0xcc;                    // Timer2 counter

typedef union {                        
      unsigned int i;
      unsigned char b[2];
              } UINT;

//-----------------------------------------------------------------------------
// Initialation PROTOTYPES
//-----------------------------------------------------------------------------

void Port_IO_Init();
void SPI_Init();
void UART0_Init();
void Timer2_Init ();

//-----------------------------------------------------------------------------
// Function PROTOTYPES
//-----------------------------------------------------------------------------

void Read_Manu();               // Read Manufacturer & Device ID
void Write_Instruction(unsigned char COMMAND, unsigned long DATA);
void W25P16_Check_BUSY();       // Check Busy
void WriteData(unsigned char byte);
void DelayTime(int num);
void DelayTimer(int num);

//-----------------------------------------------------------------------------
// Global CONSTANTS
//-----------------------------------------------------------------------------

sbit CS  = P0^6;
sbit DM413_DataIn = P1^0;             // DM413 Serial data input terminal.
sbit DM413_CLK    = P1^1;             // DM413 Synchronous clock input ternal.
sbit DM413_STB    = P1^2;             // DM413 Latch.
sbit LED = P1^3; 

//-----------------------------------------------------------------------------
// Global VARIABLES
//-----------------------------------------------------------------------------

idata UINT ManID;                    // Manufacturer & Device ID 2 Bytes
idata unsigned char Status_REG;      // Status Register
xdata unsigned char FlashDATA[512];  // Flash Memory Data
xdata unsigned char BufferDATA[512]; // Flash Memory Data
unsigned char temp[3];               // 既