STM32+w5500+FTP client例子

#include "app_ftp.h" static tFTPCtrlDef FTP_DownloadCtrl; static unsigned char FTP_DataIP[4]; //FTP服务器数据通道IP static unsigned short FTP_DataPort; //FTP服务器数据通道端口 extern unsigned short ConvertHexCharToHex(unsigned char *pStrsData,unsigned short len,unsigned char *pHexData); unsigned char IsCommendValid(uint16_t Responses) { if((Responses == R_150)||(Responses == R_200)||(Responses == R_220)||(Responses == R_226) ||(Responses == R_227)||(Responses == R_230)||(Responses == R_331)||(Responses == R_530)) { return 1; } else { return 0; } } void FTP_Commend_Analysis(unsigned char *pdata,FUN_COMM comm) { uint16_t Responses; char tmp[256]; uint8_t dat[30]={0}; unsigned char i; char * tok=0; // /************************************************打印************************************************/ // #ifdef NET_PRINTF // memset(tmp,0,sizeof(tmp)); // strcpy(tmp,(char*)pdata); // NetSocketTcpSend(NET_SOCKET_4, (unsigned char*)tmp, strlen(tmp)); // #endif // /************************************************打印************************************************/ Responses =(pdata[0]-'0')*100+(pdata[1]-'0')*10+(pdata[2]-'0'); if(IsCommendValid(Responses)) { FTP_DownloadCtrl.Waiting_Flag = 0; } else { return; } switch(Responses) { case R_220: //服务器OK { FTP_DownloadCtrl.ServerReady_Flag = 1; // FTP_DownloadCtrl.UserLogin_Flag = 0; }break; case R_230: { FTP_DownloadCtrl.UserLogin_Flag = 2; }break; case R_227: //进入被动模式，接收FTP服务器的IP和端口号 { strtok((char*)pdata,"("); //读取IP for(i=0;i<4;i++) { tok = strtok(NULL,","); if(tok == 0) { return; } FTP_DataIP[i] = atoi(tok); } //读取端口号 FTP_DataPort = 0; for(i=0;i<2;i++) { tok = strtok(NULL,","); if(tok == 0)return; FTP_DataPort<<=8; FTP_DataPort += atoi(tok); } FTP_DownloadCtrl.PASV_Flag = 1; }break; case R_331: { FTP_DownloadCtrl.UserLogin_Flag = 1; }break; case R_530: { FTP_DownloadCtrl.UserLogin_Flag = 0; }break; } } void FTP_FileDownloadCtrl(FUN_COMM comm) { unsigned char i; unsigned int FileOffset; unsigned int Flash_Addr; FRESULT res; // FatFs function common result code short int Total_Datalen; unsigned int FileSize; unsigned short int Pack_Datalen; char tmp[MAX_DATALEN]; CPU_BOOL Ret; unsigned int retlen; // unsigned int Offset = 0; unsigned char GetDataFlag;//下载到数据标志，用来判断是否更新了文件 if(FTP_DownloadCtrl.Waiting_Flag == 1) //正在等待应答，则不动作 { return; } if(NetSocketStatusGet(NET_SOCKET_2) == DEF_OFF) { return; } if(FTP_DownloadCtrl.UserLogin_Flag == 0) //未登陆，先发送用户名 { memset(tmp,0,sizeof(tmp)); sprintf(tmp,"USER %s\r\n",inifile_net_param.ftpuser); FTP_DownloadCtrl.Waiting_Flag = 1; comm((unsigned char*)tmp,strlen(tmp)); } else if(FTP_DownloadCtrl.UserLogin_Flag == 1) //发送密码 { memset(tmp,0,sizeof(tmp)); sprintf(tmp,"PASS %s\r\n",inifile_net_param.ftpkey); FTP_DownloadCtrl.Waiting_Flag = 1; comm((unsigned char*)tmp,strlen(tmp)); } else if(FTP_DownloadCtrl.DownLoadFlag == 1)//有下载任务 { if(FTP_DownloadCtrl.PASV_Flag == 0) { if(BspW5500RdReg(BSP_W5500_SOCKET_REG_SR(NET_SOCKET_3)) != BSP_W5500_SOCKET_REG_ESTABLISHED) { memset(tmp,0,sizeof(tmp)); sprintf(tmp,"PASV\r\n"); FTP_DownloadCtrl.Waiting_Flag = 1; comm((unsigned char*)tmp,strlen(tmp)); } } else { if(NetSocketStatusGet(NET_SOCKET_3) == DEF_ON) { /****************擦除待下载文件地址************/ if(strcmp(FTP_DownloadCtrl.LocalName,"NETCFG.INI")==0) { Flash_Addr = FLASH_ADDR_NETCFG; SPI1_EraseSector(FLASH_ADDR_NETCFG); } else if(strcmp(FTP_DownloadCtrl.LocalName,"CANCFG.INI")==0) { Flash_Addr = FLASH_ADDR_CANCFG; SPI1_EraseSector(FLASH_ADDR_CANCFG); } else if(strcmp(FTP_DownloadCtrl.LocalName,"CFGUP.INI")==0) { Flash_Addr = FLASH_ADDR_FILEUPDATE; SPI1_EraseSector(FLASH_ADDR_FILEUPDATE); } else if(strcmp(FTP_DownloadCtrl.LocalName,"PROG.BIN")==0) { Flash_Addr = FLASH_ADDR_APPBIN; for(i=0;i<32;i++) { SPI1_EraseSector(FLASH_ADDR_APPBIN+(i*4096)); } } memset(tmp,0,sizeof(tmp)); sprintf(tmp,"RETR %s%s\r\n",FTP_DownloadCtrl.FileDir,FTP_DownloadCtrl.FileName); //发送下载命令，开始下载 NetSocketTcpSend(NET_SOCKET_2, (unsigned char*)tmp, strlen(FTP_DownloadCtrl.FileDir)+strlen(FTP_DownloadCtrl.FileName)+7); FileOffset = 0; FileSize = 0; printf("begin download %s\r\n",FTP_DownloadCtrl.FileName); while(1) { Total_Datalen = BspW5500SocketGetRXSize(NET_SOCKET_3); if(Total_Datalen > 0) { FileSize+=Total_Datalen; printf("download len:%d\r\n",Total_Datalen); while(1) { memset(tmp,0,MAX_DATALEN); //判断包长度 if(Total_Datalen > MAX_DATALEN) { Pack_Datalen = MAX_DATALEN; } else { Pack_Datalen = Total_Datalen; } memset(tmp,0,sizeof(tmp)); Ret = NetSocketTcpReceive(NET_SOCKET_3, (unsigned char*)tmp, Pack_Datalen); if(Ret == DEF_TRUE) { if(strcmp(FTP_DownloadCtrl.FileName,"PROG.bin")!=0) { if(Pack_Datalen < MAX_DATALEN)//添加‘/0’，方便使用str函数 { tmp[Pack_Datalen] = 0; Pack_Datalen++; } } // if((FileOffset%0x1000)+FileOffset>0x1000) // { // // } SPI1_BufferWrite((u8 *)tmp,Flash_Addr+FileOffset,Pack_Datalen); FileOffset+=Pack_Datalen; Total_Datalen-=Pack_Datalen; if(Total_Datalen<=0)break; } else { /*-*/ } } } else { if(BspW5500RdReg(BSP_W5500_SOCKET_REG_SR(NET_SOCKET_3)) != BSP_W5500_SOCKET_REG_ESTABLISHED)//已断开连接 { SetNetSocketStatus(NET_SOCKET_3,DEF_OFF); printf("download %s finish\r\n",FTP_DownloadCtrl.FileName); printf("File size: %d \r\n",FileSize); //清空FTP控制器所有状态，退出控制 memset(&FTP_DownloadCtrl,0,sizeof(FTP_DownloadCtrl)); return; } } } } } } } int Get_UpdateFileMD5(unsigned char* Value,char* FileDir) { FRESULT res; // FatFs function common result code char tmp[512]; unsigned int TotalCount; unsigned int offset = 0; unsigned int Flash_Addr; unsigned short int OnceLen; //单次读文件长度 MD5_CTX context; unsigned char md5Buffer[16],i; MD5Init(&context); if(strcmp(FileDir,"NETCFG.INI") == 0) { Flash_Addr = FLASH_ADDR_NETCFG; } else if(strcmp(FileDir,"CANCFG.INI") == 0) { Flash_Addr = FLASH_ADDR_CANCFG; } else if(strcmp(FileDir,"PROG.BIN") == 0) { Flash_Addr = FLASH_ADDR_APPBIN; } /********获取文件长度********/ TotalCount = Flash_Get_FileSize(FileDir); // printf("Get %s file size:%d\r\n",FileDir,TotalCount); while(1) { if(TotalCount >= 512) { OnceLen = 512; TotalCount-=OnceLen; } else { OnceLen = TotalCount; TotalCount = 0; } SPI1_BufferRead((unsigned char*)tmp,Flash_Addr+offset,OnceLen);// offset+=OnceLen; MD5Update(&context,(uint8_t *)tmp,OnceLen); if(TotalCount<=0)break; } MD5Final(&context,md5Buffer); memcpy(Value,md5Buffer,16); } /*********************************接口函数****************************************/ eDOWNLOADRETURN FTP_DownloadBegin(char* FielDir,char* FileName,char* LocalDir,char* LocalName) { if(FTP_DownloadCtrl.DownLoadFlag == 0) { printf("Add download task:%s\r\n",LocalName); FTP_DownloadCtrl.DownLoadFlag = 1; s