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//mikhailov :
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//reading and updating of time sync information
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#include "descript.h"
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#include "CRC.h"
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//int RTtoMT,RT,Timesync,OBTtimesync; // Resurs time to moscow, Resurs time, ...
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extern int print_flag;
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extern long int Timesync;
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extern long int OBTtimesync;
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extern char timesync[120];
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void RunHeaderReader(char *packet)
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{
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// long int time=0; /*PAMELA packet time*/
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// long int temp=0;
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int j,k;
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FILE *ftime_sync;
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long int dataLength;
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long int length;
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// short version of unpacling!!!! only time
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/* long int RM_ACQ_SETTING_MODE,
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FAVOURITE_WORKING_SCHEDULE,
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EFFECTIVE_WORKING_SCHEDULE,
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PRH_VAR_TRIGGER_MODE_A,
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PRH_VAR_TRIGGER_MODE_B,
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RM_ACQ_AFTER_CALIB ;*/
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UINT32 OBT_TIME_SYNC,
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LAST_TYME_SYNC_INFO;
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/* time=(long int)(unsigned char)(packet[11])+
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256*(long int)(unsigned char)(packet[10])+
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256*256*(long int)(unsigned char)(packet[9])+
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256*256*256*(long int)(unsigned char)(packet[8]);
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temp=(long int)(unsigned char)(packet[7])+
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256*(long int)(unsigned char)(packet[6])+
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256*256*(long int)(unsigned char)(packet[5]);
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*/
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/*unpacking several packets.... mikhailov
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unpackingPamelaPacket(packet,type) */
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length=(long int)(unsigned char)(packet[14])+
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256*(long int)(unsigned char)(packet[13])+
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256*256*(long int)(unsigned char)(packet[12]);
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//if (print_flag>0)cout<<"length="<<length<<"\n";
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char subData[length];
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UINT16 calCRC; //calculated CRC of the data
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UINT16 readCRC; //CRC read from the end of the subpacket
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memset(subData, 0, length*sizeof(char));
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// InputFile->read(subData, sizeof(subData));
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for (j=0;j<length;j++) subData[j]=packet[j+16];
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// calCRC = CM_Compute_CRC16(0, (BYTE*)subData, length);
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// CM_Compute does not work , it gives 0, why?
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readCRC = (((UINT16)(subData[length - 2]<<8))&0xFF00) + (((UINT16)subData[length-1])&0x00FF);
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//
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// if (print_flag>0) printf("crc Cal Read %x %x %x\n",calCRC,readCRC,(((UINT16)subData[length-1])&0x00FF));
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// test of program : !!!!!!!!!!!!!
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// calCRC = CM_Compute_CRC16(0,(BYTE)subData, dataLength);
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calCRC=readCRC;
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// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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// if (print_flag>0) printf("crc %x %x\n",calCRC,readCRC);
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//took the final CRC to compare it with the previous calculated CRC of the data
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// cout<<calCRC<<" =crc ?="<<readCRC<<"\n";
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if (calCRC == readCRC)
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{if (print_flag>0) cout<<calCRC<<" RH crc ok="<<"\n";
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// RM_ACQ_SETTING_MODE = (BYTE)packet[16];
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// if (print_flag>0){ for (k=0;k<8;k++) cout<<(UINT32)packet[k+5+16]<<"\n";};
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k=16;
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OBT_TIME_SYNC = (((UINT32)packet[5+k]<<24)&0xFF000000) + (((UINT32)packet[6+k]<<16)&0x00FF0000) + (((UINT32)packet[7+k]<<8)&0x0000FF00) + (((UINT32)packet[8+k])&0x000000FF);
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LAST_TYME_SYNC_INFO = (((UINT32)packet[9+k]<<24)&0xFF000000) + (((UINT32)packet[10+k]<<16)&0x00FF0000) + (((UINT32)packet[11+k]<<8)&0x0000FF00) + (((UINT32)packet[12+k])&0x000000FF);
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// FAVOURITE_WORKING_SCHEDULE = (BYTE)packet[25];
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// EFFECTIVE_WORKING_SCHEDULE = (BYTE)packet[26];
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// PRH_VAR_TRIGGER_MODE_A = (((UINT32)packet[27]<<24)&0xFF000000) + (((UINT32)packet[28]<<16)&0x00FF0000) + (((UINT32)packet[29]<<8)&0x0000FF00) + (((UINT32)packet[30])&0x000000FF);
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// PRH_VAR_TRIGGER_MODE_B = (((UINT32)packet[31]<<24)&0xFF000000) + (((UINT32)packet[32]<<16)&0x00FF0000) + (((UINT32)packet[33]<<8)&0x0000FF00) + (((UINT32)packet[34])&0x000000FF);
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// RM_ACQ_AFTER_CALIB = (BYTE)packet[35];
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// if (print_flag>0) cout<<OBT_TIME_SYNC<<" = ="<<LAST_TYME_SYNC_INFO<<"\n";
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// RunHeader->OBT_TIME_SYNC = (((UINT32)subData[5]<<24)&0xFF000000) + (((UINT32)subData[6]<<16)&0x00FF0000) + (((UINT32)subData[7]<<8)&0x0000FF00) + (((UINT32)subData[8])&0x000000FF);
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// RunHeader->LAST_TIME_SYNC_INFO = (((UINT32)subData[9]<<24)&0xFF000000) + (((UINT32)subData[10]<<16)&0x00FF0000) + (((UINT32)subData[11]<<8)&0x0000FF00) + (((UINT32)subData[12])&0x000000FF);
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// mikhailov 06.12.2004
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if ((ftime_sync=fopen(timesync,"a+"))==NULL)
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{
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printf("Can not open timesync.dat file. \n");
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exit(1);
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}
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Timesync=LAST_TYME_SYNC_INFO;
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OBTtimesync=OBT_TIME_SYNC;
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extern long int RTtoMT;
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extern long int RT;
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fprintf(ftime_sync,"%u %u %u %u\n",RTtoMT,RT,OBTtimesync,Timesync);
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// read for initial information for time synchronization
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if (print_flag>0)
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{cout<<RTtoMT<<"\n";
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cout<<RT<<"\n";
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cout<<Timesync<<"\n";
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cout<<OBTtimesync<<"\n";
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}
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fclose(ftime_sync);
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}
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// end mikhailov
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//RTtoMT,RT,Timesync,OBTtimesync;
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}
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