FP.rar_plc 单片机_plc 单片机_制作PLC_单片机_单片机PLC

/***********************************************************************/ /* This file is part of the uVision/ARM development tools */ /* Copyright (c) 2003-2009 Keil Software. All rights reserved. */ /***********************************************************************/ /* */ /* FlashDev.C: Flash Programming Functions adapted for */ /* NXP LPC11xx/13xx/LPC17xx Flash using IAP */ /* */ /***********************************************************************/ #include "FlashOS.H" // FlashOS Structures #include "..\Drive\PLC_PUBLIC.H" extern void PLL0_INIT(void); // Memory Mapping Control(存储器映射控制) #define MEMMAP (*((volatile unsigned char *) 0x400FC040)) // Phase Locked Loop (Main PLL) #define PLL0CON (*((volatile unsigned char *) 0x400FC080)) #define PLL0CFG (*((volatile unsigned long *) 0x400FC084)) #define PLL0STAT (*((volatile unsigned long *) 0x400FC088)) #define PLL0FEED (*((volatile unsigned char *) 0x400FC08C)) #define END_SECTOR 29 unsigned long CCLK; // CCLK in kHz struct sIAP { // IAP Structure unsigned long cmd; // Command unsigned long par[4]; // Parameters unsigned long stat; // Status unsigned long res[2]; // Result } IAP; /* IAP Call */ typedef void (*IAP_Entry) (unsigned long *cmd, unsigned long *stat); #define IAP_Call ((IAP_Entry) 0x1FFF1FF1) /* * Get Sector Number 获取扇区编号 * Parameter: adr: Sector Address * Return Value: Sector Number */ unsigned long GetSecNum (unsigned long adr) { unsigned long n; n = adr >> 12; // 4kB Sector if (n >= 0x10) { n = 0x0E + (n >> 3); // 32kB Sector } return (n); // Sector Number } /* * Initialize Flash Programming Functions(初始化Flash编程功能) * Parameter: adr: Device Base Address(地址：设备基址) * clk: Clock Frequency (Hz)(时钟频率（Hz）) * fnc: Function Code (1 - Erase, 2 - Program, 3 - Verify) * Return Value: 0 - OK, 1 - Failed */ int init (void)//int Init (unsigned long adr, unsigned long clk, unsigned long fnc) { { CCLK = 4000; // 4MHz Internal RC Oscillator PLL0CON = 0x00; // Disable PLL (use Oscillator) PLL0FEED = 0xAA; // Feed Sequence Part #1 PLL0FEED = 0x55; // Feed Sequence Part #2 MEMMAP = 0x01; // User Flash Mode return (0); } /* * Erase Sector in Flash Memory * Parameter: adr: Sector Address * Return Value: 0 - OK, 1 - Failed */ //擦除扇区 int EraseSector (unsigned long adr) { unsigned long n; n = GetSecNum(adr); // Get Sector Number IAP.cmd = 50; // Prepare Sector for Erase IAP.par[0] = n; // Start Sector IAP.par[1] = n; // End Sector IAP_Call (&IAP.cmd, &IAP.stat); // Call IAP Command if (IAP.stat) return (1); // Command Failed IAP.cmd = 52; // Erase Sector IAP.par[0] = n; // Start Sector IAP.par[1] = n; // End Sector IAP.par[2] = CCLK; // CCLK in kHz IAP_Call (&IAP.cmd, &IAP.stat); // Call IAP Command if (IAP.stat) return (1); // Command Failed return (0); // Finished without Errors } int ProgramPage2 (unsigned long adr, unsigned long sz, unsigned long buf) { unsigned long n; n = GetSecNum(adr); // Get Sector Number IAP.cmd = 50; // Prepare Sector for Write IAP.par[0] = n; // Start Sector IAP.par[1] = n; // End Sector IAP_Call (&IAP.cmd, &IAP.stat); // Call IAP Command if (IAP.stat) return (1); // Command Failed IAP.cmd = 51; // Copy RAM to Flash IAP.par[0] = adr; // Destination Flash Address IAP.par[1] = (unsigned long)buf; // Source RAM Address IAP.par[2] = 4096; // Fixed Page Size IAP.par[3] = CCLK; // CCLK in kHz IAP_Call (&IAP.cmd, &IAP.stat); // Call IAP Command if (IAP.stat) return (1); // Command Failed return (0); // Finished without Errors } /* * Program iap * * * * Return Value: 0 - OK, 1 - Failed */ void Plc_Program_iap(void) { disable_timer(0); init();//设置IAP时钟 EraseSector(0x00040000); ProgramPage2(0x00040000,0x00040FFF,PLC_PROG_B_START_ADD); ProgramPage2(0x00041000,0x00041FFF,PLC_PROG_B_START_ADD+0x1000); ProgramPage2(0x00042000,0x00042FFF,PLC_PROG_B_START_ADD+0x2000); ProgramPage2(0x00043000,0x00043FFF,PLC_PROG_B_START_ADD+0x3000); PLL0_INIT(); enable_timer(0); } void Plc_Data_Bod_iap(void) { init();//设置IAP时钟 EraseSector(0x00050000); ProgramPage2(0x00050000,0x00050FFF,PLC_R_START_ADD); ProgramPage2(0x00051000,0x00051FFF,PLC_R_START_ADD+0x1000); ProgramPage2(0x00052000,0x00052FFF,PLC_R_START_ADD+0x2000); ProgramPage2(0x00053000,0x00053FFF,PLC_R_START_ADD+0x3000); ProgramPage2(0x00054000,0x00054FFF,PLC_R_START_ADD+0x4000); PLL0_INIT(); }