RLC.rar_LTE mac_LTE mac层_lte rlc_rlc

#include "RLC.h" #include <string.h> #include "stdio.h" #include <stdlib.h> /*========================================================================== 函数功能：解接口数据与L2层的MAC,RLC,PDCP头 ==========================================================================*/ int String2Hex(char str[], u8 senddata[]) { int hexdata,lowhexdata; int hexdatalen=0; int len=strlen((char*)str); for(int i=0;i<len;) { char lstr,hstr=str[i]; if(hstr==' '||hstr=='\r'||hstr=='\n') { i++; continue; } i++; if(i>=len) break; lstr=str[i]; hexdata=ConvertHexChar(hstr); lowhexdata=ConvertHexChar(lstr); if((hexdata==16)||(lowhexdata==16)) break; else hexdata=hexdata*16+lowhexdata; i++; senddata[hexdatalen]=(char)hexdata; hexdatalen++; } return hexdatalen; } char ConvertHexChar(char ch) { if((ch>='0')&&(ch<='9')) return ch-0x30; else if((ch>='A')&&(ch<='F')) return ch-'A'+10; else if((ch>='a')&&(ch<='f')) return ch-'a'+10; else { return (-1); //MessageBoxW(_T("there is a illegal char!")+ch); } } u16 remainLowBit(u8 Num) { u16 retn=0x0001; retn=retn<<Num; retn--; return retn; } u16 shiftBit(u8 *buf,u16 *beginBit,u8 bitNum) {/*beginBit为0表示从buf所指向的字节的第一个bit开始*/ u16 value = 0; u16 temp1 = 0,temp2 = 0; u8 *beginBytePoint; u16 totalBits=0; u16 relowbit=0; if(bitNum == 0||bitNum >= 5000)/*不取任何内容，返回0即可*/ return 0; beginBytePoint = buf +(*beginBit)/8;/*取得开始bit所在的字节的指针*/ totalBits = (*beginBit)%8 + bitNum; if(totalBits <= 8) { value = (*beginBytePoint) >> (8 - totalBits); relowbit=remainLowBit(bitNum); value &= relowbit; } else if(totalBits <= 16) { /*取高比特位*/ temp1 = (u16)(*beginBytePoint); temp1 &= remainLowBit(8 - ((*beginBit)%8)); temp1=temp1<<(totalBits - 8); /*取低比特位*/ temp2 = (u16)*(beginBytePoint + 1); temp2 = ((*beginBit) + bitNum)%8 ? temp2>>(8 - ((*beginBit) + bitNum)%8) : temp2; value = temp1 | temp2; } else { /**/ temp1 = (u16)(*beginBytePoint); temp1 = temp1 << 8; temp1 = temp1 | (u16)(*(beginBytePoint+1)); temp1 &= remainLowBit(16 - ((*beginBit)%8)); temp1=temp1<<(totalBits - 16); /*取低比特位*/ temp2 = (u16)*(beginBytePoint + 2); temp2 = ((*beginBit) + bitNum)%8 ? temp2>>(8 - ((*beginBit) + bitNum)%8) : temp2; value = temp1 | temp2; } (*beginBit)+=bitNum; return value; } void Message_Decoding(u8 *Msg32) { u8 *data_p; u8 *BufPoint; //基地址 u16 MsgLength; u16 subframe; u16 numUes; u16 pbchSize; u16 i;//数据个数 u16 j;//控制用户个数 u16 k; u16 Size; u16 UL_size[MAX_NUM_UES]; u16 ueId; u16 R; u16 timeStamp; u16 NumTb; u16 valid; u16 puschMcs; u16 sinr; u16 rssi; u16 NumCodeBlocks; u16 NumCodeErrors; u32 DBuffer; u16 HIGH_DBuffer; u16 LOW_DBuffer; u16 *countBit; //偏移地址 u16 countBit0=0; //--------------------------------------变量初始化 countBit =(u16 *)&countBit0; BufPoint =Msg32; data_p =BufPoint; *countBit =0; i =0; j =0; k =0; //======================================================================函数主体 DBuffer =shiftBit(BufPoint,countBit,32); MsgType =DBuffer; MsgLength =shiftBit(BufPoint,countBit,16); data_p =data_p+ 4; if(MsgType==2) { subframe =shiftBit(BufPoint,countBit,16); numUes =shiftBit(BufPoint,countBit,16); HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); pbchSize =HIGH_DBuffer+LOW_DBuffer; data_p =data_p+ 8; if(pbchSize!=0) { memcpy(BCH_MAC_PDU,data_p,pbchSize); printf("BCH-BCCH:\n"); do{ printf("%x ",BCH_MAC_PDU[i]); i++; } while(i<pbchSize); printf("\n"); } else { while(j<numUes) { HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); Size =HIGH_DBuffer+LOW_DBuffer; ueId =shiftBit(BufPoint,countBit,16); R =shiftBit(BufPoint,countBit,16); data_p =data_p+ 8; if(ueId==65534) { memcpy(PCH_MAC_PDU,data_p,Size); printf("PCH-PCCH:\n"); do{ printf("%x ",PCH_MAC_PDU[i]); i++; } while(i<Size); printf("\n"); } else if(ueId==65535) { memcpy(DBCH_MAC_PDU,data_p,Size); printf("DLSCH-BCCH:\n"); do{ printf("%x ",DBCH_MAC_PDU[i]); i++; } while(i<Size); printf("\n"); } else { memcpy(MAC_PDU,data_p,Size); DL_MAC_Decoding(MAC_PDU,Size); } data_p =data_p+ Size; switch(Size%4) { case(1): data_p =data_p+ 3; break; case(2): data_p =data_p+ 2; break; case(3): data_p =data_p+ 1; break; } if(j<numUes-1) { data_p =data_p+ 4; } BufPoint =data_p; *countBit =0; j++; } } } else if(MsgType==15) { HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); DBuffer =HIGH_DBuffer+LOW_DBuffer; timeStamp =DBuffer; subframe =shiftBit(BufPoint,countBit,16); NumTb =shiftBit(BufPoint,countBit,16); data_p =data_p+ 8; while(j<NumTb) { ueId =shiftBit(BufPoint,countBit,16); valid =shiftBit(BufPoint,countBit,8); puschMcs =shiftBit(BufPoint,countBit,8); HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); sinr =HIGH_DBuffer+LOW_DBuffer; HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); rssi =HIGH_DBuffer+LOW_DBuffer; HIGH_DBuffer =shiftBit(BufPoint,countBit,16); LOW_DBuffer =shiftBit(BufPoint,countBit,16); UL_size[k]