121 lines
4.3 KiB
C
121 lines
4.3 KiB
C
/********************************************************/
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// CPU需要：STM32F103--RAM内存不小于64K Flash内存不小于128K
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// 本代码已在STM32F103RDT6、VET6测试通过
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// 编辑日期：20150909
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// editor by 小小晟
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// 网店：shop182385147.taobao.com
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/********************************************************/
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#include "stm32f10x.h"
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#include "stm32f10x_flash.h"
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#include <stdio.h>
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#include "PLC_Dialogue.h"
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#include "PLC_CONF.H"
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extern u16 prog_write_buffer[2050];
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extern u16 PLC_16BIT[12100];
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extern const u16 *PLC_Addr; //地址查表指针
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extern const u8 PLC_ROM[]; //PLC程序储存块
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/***********************************************
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函数功能：PLC通信错误处理程序
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D8063,M8063=链接,通信错误
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0000=无异常;
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6301=奇偶检验错误
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6302=通信字符错误
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6303=通信和校验出错
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6304=数据格式错误
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6305=指令错误
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***********************************************/
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void PLC_COMM_ERROR(u16 err_id)
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{
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if(err_id!=0)PLC_BIT_ON(M8063);//出错标志
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D8063=err_id;
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}
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void write_data(u16 number)
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{
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u16 temp,appoint_address;
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if(number<12) //写入参数的块必需10块
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{
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FLASH_Unlock(); //flash关闭保护
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FLASH_ErasePage(PLC_RAM_ADDR+number*0x800); //erase page 一块数据占用2K
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for(temp=0;temp<1024;temp++) //操作为16bit,只需要1024次程序操作完毕
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{
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appoint_address=PLC_RAM_ADDR+number*0x800+temp*2; //起始地址加上块地址再加上块的小地址,等于目标位置
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FLASH_ProgramHalfWord(appoint_address,prog_write_buffer[temp]); //等待程序写入结束
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}
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FLASH_Lock(); //结束程序写入开启flash保护
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}
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}
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void Read_data(u16 number) //程序块备份,目的在写程序之前进前面程序备份
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{
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u16 temp,appoint_address;
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if(number<12)
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{
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for(temp=0;temp<1024;temp++)
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{
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appoint_address=number*0x800+temp*2; //起始地址加上块地址再加上块的小地址
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prog_write_buffer[temp]=PLC_ROM[appoint_address]+(PLC_ROM[appoint_address+1]*0x100); //将程序备份出来
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}
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}
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}
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/***********************************************
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函数功能：断电数据备份
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***********************************************/
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void PLC_DATA_KEEP(void)
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{
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u16 temp=0,backup_addr;
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for(backup_addr=(0x1000+500);backup_addr<(0x1000+950);backup_addr++) // 备份 400 D 单元到 D500
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prog_write_buffer[temp]=PLC_16BIT[backup_addr],temp++;
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for(backup_addr=(0x0500+100);backup_addr<(0x0500+150);backup_addr++) // 备份 50 T 单元到 T100
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prog_write_buffer[temp]=PLC_16BIT[backup_addr],temp++;
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for(backup_addr=(0x0800+100);backup_addr<(0x0800+150);backup_addr++) // 备份 50 D Unit from C100
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prog_write_buffer[temp]=PLC_16BIT[backup_addr],temp++;
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for(backup_addr=(0x0020);backup_addr<(0x0020+32);backup_addr++) // 备份 512-M1023
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prog_write_buffer[temp]=PLC_16BIT[backup_addr],temp++;
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write_data(10);
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}
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/***********************************************
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函数功能：上电数据复位
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***********************************************/
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void Recover_data(void)
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{
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u16 temp=0,backup_addr;
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Read_data(10);
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for(backup_addr=(0x1000+500);backup_addr<(0x1000+950);backup_addr++)
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PLC_16BIT[backup_addr]=prog_write_buffer[temp],temp++;
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for(backup_addr=(0x0500+100);backup_addr<(0x0500+150);backup_addr++)
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PLC_16BIT[backup_addr]=prog_write_buffer[temp],temp++;
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for(backup_addr=(0x0800+100);backup_addr<(0x0800+150);backup_addr++)
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PLC_16BIT[backup_addr]=prog_write_buffer[temp],temp++;
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for(backup_addr=(0x0020);backup_addr<(0x0020+32);backup_addr++)
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PLC_16BIT[backup_addr]=prog_write_buffer[temp],temp++;
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}
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void RST_T_D_C_M_data(void) //ADD 小小晟 20151214
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{
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u16 backup_addr;
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for(backup_addr=(0x1000+0);backup_addr<(0x1000+8000);backup_addr++) //D0000-D8000 0X1000--0X2F40
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PLC_16BIT[backup_addr]=0;
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for(backup_addr=(0x0500+0);backup_addr<(0x0500+256);backup_addr++) //C0-C256
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PLC_16BIT[backup_addr]=0;
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for(backup_addr=(0x0800+0);backup_addr<(0x0800+256);backup_addr++) //T0-T256
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PLC_16BIT[backup_addr]=0;
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for(backup_addr=(0x0000);backup_addr<(0x0020+96);backup_addr++) //M0-M3096
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PLC_16BIT[backup_addr]=0;
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}
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