pl ack in tmtc
Dependencies: FreescaleIAP SimpleDMA mbed-rtos mbed
Fork of COM_MNG_TMTC_SIMPLE_pl123 by
COM_SND_TM.h
00001 //void adf_not_SDcard(); 00002 00003 //~ #include"SDcard.h" 00004 /*#define T_frames 30 00005 unsigned char buffer_112_counter,sent_tm = 0; 00006 int disk_read(uint8_t *, uint64_t),j; 00007 bool new_session = true; 00008 bool last_buffer = false; 00009 bool first_block = true; 00010 bool last_block =false; 00011 bool repeat_T_frame = false; 00012 unsigned int counter_in_block=0,diff_prev=0; 00013 unsigned char EOS_counter = 0; 00014 unsigned char enable_T_frame = false; 00015 uint64_t start_block_num ; // Read from TC 00016 uint64_t end_block_num ; // Read from TC 00017 uint64_t Number_of_blocks_to_read ; 00018 uint64_t block_counter = 0; 00019 unsigned char buffer_512[512], buffer_112[112],counter_in_S_frame=0,counter_in_SCH=0; 00020 unsigned char make_EOS_flag = true; 00021 bool reset = false; */ 00022 00023 00024 00025 00026 00027 00028 00029 bool sent_tmfrom_SDcard; 00030 00031 00032 00033 #define S_FRAME_SIZE 48 00034 #define ISR 40 00035 #define TM_FRAME_SIZE 134 //in bytes 00036 #define T_FRAME_SIZE 159 00037 #define EOS_SIZE 120 00038 #define MAX_ADF_LEN 65535 00039 00040 const unsigned char S_frame[] = {0x46,0x9D,0xFB,0xF0,0xD2,0xBA,0x89,0xE4,0x46,0x9D,0xFB,0xF0,0xD2,0xBA,0x89,0xE4,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; 00041 const unsigned char EoS[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x1A,0x77,0xEF,0xC3,0x4A,0xEA,0x27,0x91,0x1A,0x77,0xEF,0xC3,0x4A,0xEA,0x27,0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x1A,0x77,0xEF,0xC3,0x4A,0xEA,0x27,0x91,0x1A,0x77,0xEF,0xC3,0x4A,0xEA,0x27,0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; 00042 const unsigned char FCCH80[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; 00043 const unsigned char SCH40[] = {0x0a,0x3f,0x46,0xb4,0x00}; 00044 const unsigned char EXOR_SEQ[] = {0x55,0xF1,0x51,0x3D,0xA7,0x42,0xAE,0x2E,0x2E,0x28,0x76,0x80,0x62,0x41,0xC4,0x75,0x4D,0x87,0xDB,0xE1,0x02,0x61,0x60,0x96,0x9C,0xCB,0x8A,0xBD,0x37,0xE4,0x72,0x5D,0xF2,0x19,0x62,0x06,0x9A,0xF9,0x38,0xB0,0x49,0x75,0xD0,0x17,0x1B,0xCC,0x0B,0xEB,0x1B,0x50,0xA2,0x2A,0x8E,0xFA,0x4D,0x6F,0x1B,0xF8,0x0F,0x97,0x39,0x25,0x60,0x55,0x9A,0xDF,0x1D,0x10,0x7F,0xBD,0x3E,0xBF,0xE5,0x68,0x02,0xD1,0x99,0x0D,0xDF,0x84,0x2E,0x15,0xE3,0x08,0xD7,0x44,0x10,0x41,0xCE,0x93,0xF6,0x59,0x71,0xD2,0xF7,0x1C,0x4A,0x44,0x2D,0xA9,0x44,0x98,0x3A,0x00,0x71,0xCC,0x2A,0x35,0xC1,0x81,0xCF,0x44,0xF7,0x6A,0x0E,0xE4,0xF2,0xFC,0xD6,0x0B,0xA8,0x95,0x7B,0x86,0xB5,0xF8,0x33,0xE9,0xBF,0x6A,0x0E,0xE6,0x53,0x82}; 00045 00046 #define print_tm(ptr) {\ 00047 for( int i = 0; i < 134; i++ ){\ 00048 /* gPC.printf("%d\n",ptr[i]);*/\ 00049 }\ 00050 } 00051 00052 //void send_tm_from_SD_card(){} 00053 00054 class SND_TM{ 00055 00056 Base_tm * head_ptr; 00057 00058 // transmit data variables 00059 unsigned char Tframe_c; //_c represents counter, counts Tframe written in a segment 00060 unsigned char EOS_c; //count no of bytes of eos have been weitten in the rolling buffer 00061 unsigned char Sframe_c; //count no of bytes of Sframe have been weitten in the rolling buffer 00062 unsigned char SCH40_c; //count no of bytes of SCH40 have been weitten in the rolling buffer 00063 unsigned char data_c; 00064 unsigned char FCCH80_c; 00065 unsigned char RB_c; //rolling buffer counter 00066 unsigned char segment_c; //counts the numver of segments sent 00067 unsigned char MAX_SEGMENT; 00068 bool Sframe; //Sframe = 1bit of CF1 00069 bool SCH40_f; 00070 bool FCCH80_f; 00071 bool data_f; 00072 bool repeat_data_f; 00073 bool transmit_data_f; 00074 bool eos_f; 00075 bool junk_f; 00076 bool segment_r; //flag checking if more sessions are required 00077 00078 00079 // type 1 frame 00080 00081 Base_tm *T0F_pointer ; 00082 00083 int diff_prev; 00084 void differential_encode(unsigned char* ptr, int length){ 00085 for(int i=0; i<length;i++){ 00086 unsigned char s = ptr[i] , t; 00087 t = s ^ (s >> 1); 00088 (diff_prev == 0) ? t=t^0x00 : t=t^0x80 ; 00089 diff_prev = int(s & 0x01); 00090 ptr[i] = t; 00091 } 00092 } 00093 00094 int type0_no; //number of type zero frames 00095 int type1_no; 00096 int total_frames; //number of type one packe (TMP) 00097 int SEGMENT_NO; //number of type one packe (TMP) 00098 int TOTAL_SEGMENT_NO; 00099 int LAST_SEGMENT_SIZE; 00100 void inline data_number(){ 00101 int type1_frame_no; 00102 Base_tm*head = head_ptr; 00103 type0_no = 0; 00104 type1_no = 0; 00105 while(head != NULL){ 00106 switch( GETshort_or_long_tm(head) ){ 00107 case 0: 00108 type0_no++; 00109 break; 00110 case 1: 00111 type1_no++; 00112 break; 00113 } 00114 00115 head=head->next_TM; 00116 } 00117 type1_frame_no = ( type1_no % 10 == 0 )? (type1_no / 10) : ( (type1_no / 10) + 1); 00118 total_frames = type0_no + type1_frame_no ; 00119 TOTAL_SEGMENT_NO = (total_frames*2 % (ISR) == 0) ? ( total_frames*2/(ISR) ) : (total_frames*2/(ISR) + 1); //subtracting 1 since the last SCH40_f is not detected 00120 SEGMENT_NO = TOTAL_SEGMENT_NO; 00121 if(SEGMENT_NO > MAX_SEGMENT) 00122 { 00123 SEGMENT_NO = MAX_SEGMENT; 00124 } 00125 if(SEGMENT_NO == 1) segment_r = 0; else segment_r = 1; 00126 TOTAL_SEGMENT_NO -= SEGMENT_NO; 00127 LAST_SEGMENT_SIZE = total_frames*2%ISR?total_frames*2%ISR:ISR; 00128 } 00129 00130 #define next_type_structure(ptr){\ 00131 unsigned char temp = GETshort_or_long_tm(ptr);\ 00132 if((temp == 0) && (ptr->next_TM != NULL) ){\ 00133 do{\ 00134 ptr = ptr->next_TM;\ 00135 temp = GETshort_or_long_tm(ptr);\ 00136 }\ 00137 while(temp == 1 && ptr->next_TM != NULL);\ 00138 if(temp == 1){\ 00139 ptr = NULL;\ 00140 }\ 00141 }\ 00142 else if((temp == 1) && (ptr->next_TM != NULL)){\ 00143 do{\ 00144 ptr = ptr->next_TM;\ 00145 temp = GETshort_or_long_tm(ptr);\ 00146 }\ 00147 while(temp == 0 && ptr->next_TM != NULL);\ 00148 if(temp == 0){\ 00149 ptr = NULL;\ 00150 }\ 00151 }\ 00152 else{\ 00153 ptr = NULL;\ 00154 }\ 00155 } 00156 00157 /* 00158 brief: take input type 0 or 1 and return the address of the first node in the list that have that type 00159 parameter: type 0 or 1 00160 return: pointer of the first node having same type 00161 */ 00162 #define exor(ptr) { for(int i=0 ; i<134; i++ ) ptr[i]=ptr[i]^EXOR_SEQ[i];} 00163 00164 00165 #define first_type_structure( type,return_ptr) {\ 00166 Base_tm* temp_ptr = head_ptr;\ 00167 if(type == 0){\ 00168 while(GETshort_or_long_tm(temp_ptr) == 1){\ 00169 temp_ptr = temp_ptr->next_TM;\ 00170 if(temp_ptr == NULL){\ 00171 return_ptr = NULL ;\ 00172 }\ 00173 }\ 00174 }\ 00175 else if(type == 1){\ 00176 while(GETshort_or_long_tm(temp_ptr) == 0){\ 00177 temp_ptr = temp_ptr->next_TM;\ 00178 if(temp_ptr == NULL){\ 00179 return_ptr = NULL;\ 00180 }\ 00181 }\ 00182 }\ 00183 return_ptr = temp_ptr;\ 00184 } 00185 00186 00187 00188 Base_tm *T1F_pointer ; 00189 int T1F_counter; 00190 unsigned char TMframe_type1[TM_FRAME_SIZE]; 00191 bool type1_frame_flag; //should be true for every new list 00192 00193 #define type1_frame(ptr){\ 00194 int i=4;\ 00195 if(type1_frame_flag){\ 00196 first_type_structure(1,T1F_pointer);\ 00197 T1F_counter = 0;\ 00198 type1_frame_flag = false;\ 00199 }\ 00200 for(i = 4 ; (i < 134) && (T1F_pointer != NULL) ; i++){\ 00201 TMframe_type1[i] = T1F_pointer->TM_string[T1F_counter];\ 00202 if(T1F_counter++ == 12){\ 00203 T1F_counter = 0;\ 00204 next_type_structure(T1F_pointer);\ 00205 }\ 00206 }\ 00207 TMframe_type1[0] = (1<<7) + (( (i-4)/13 )<<3);\ 00208 TMframe_type1[3] = crc8_gen(TMframe_type1,3);\ 00209 if(T1F_pointer == NULL && i>12){\ 00210 for( ; i < 134 ; i++){\ 00211 TMframe_type1[i] = TMframe_type1[i-13];\ 00212 }\ 00213 }\ 00214 ptr=TMframe_type1;\ 00215 } 00216 00217 00218 bool type0_frame_flag; 00219 00220 00221 #define type0_frame(ptr){\ 00222 if(type0_frame_flag){\ 00223 first_type_structure(0,T0F_pointer);\ 00224 type0_frame_flag = false;\ 00225 }\ 00226 else {\ 00227 next_type_structure(T0F_pointer);\ 00228 }\ 00229 ptr = T0F_pointer->TM_string;\ 00230 } 00231 00232 unsigned char convoluted_frame[270]; 00233 Convolution ConvObj2; 00234 void convolution (unsigned char * ptr){ 00235 ConvObj2.convolutionEncode(ptr, convoluted_frame); 00236 ConvObj2.convolutionEncode(ptr + 67, convoluted_frame + 135); 00237 } 00238 00239 00240 unsigned char interleave_data[2][144]; 00241 unsigned char DS_index; 00242 bool DS_state; 00243 int DS_counter; 00244 bool DS_f; 00245 bool make_DataStream_f; 00246 00247 #define make_DataStream {\ 00248 unsigned char* ptr;\ 00249 if(make_DataStream_f == true){\ 00250 DS_state = true;\ 00251 DS_counter = 0;\ 00252 DS_f = false;\ 00253 make_DataStream_f = false;\ 00254 }\ 00255 if(DS_state){\ 00256 if(DS_counter < total_frames-type0_no){\ 00257 type1_frame(ptr); \ 00258 DS_f = true;\ 00259 }\ 00260 else if(DS_counter < total_frames ){\ 00261 type0_frame(ptr);\ 00262 DS_f = true;\ 00263 }\ 00264 DS_counter++;\ 00265 }\ 00266 DS_state = !DS_state;\ 00267 if (DS_f){\ 00268 DS_f = false;\ 00269 if(bypass_adf)\ 00270 print_tm(ptr);\ 00271 exor(ptr);\ 00272 convolution(ptr);\ 00273 interleave(convoluted_frame,interleave_data[0]);\ 00274 interleave(convoluted_frame+ 135,interleave_data[1]);}\ 00275 DS_index = (DS_state==true)?1:0;\ 00276 } 00277 00278 00279 // 00280 public: 00281 00282 bool reset_adf; 00283 SND_TM(){ 00284 MAX_SEGMENT = (MAX_ADF_LEN-EOS_SIZE)/( S_FRAME_SIZE + ISR*T_FRAME_SIZE); 00285 //(max length - eos size)/(sframe length + tFrameLength*ISR) 00286 } 00287 00288 00289 00290 void head_pointer(Base_tm* ptr){ 00291 head_ptr = ptr ; 00292 type1_frame_flag = true; 00293 type0_frame_flag = true; 00294 make_DataStream_f = true; 00295 transmit_data_f = true; 00296 sent_tmfrom_SDcard = false; 00297 diff_prev = 0; 00298 data_number(); 00299 } 00300 00301 00302 void inline transmit_data(unsigned char * transmit , bool * last_buffer){ 00303 if(transmit_data_f){ 00304 RB_c = 0; 00305 Sframe_c = 0; 00306 SCH40_c = 0; 00307 FCCH80_c = 0; 00308 Tframe_c = 0; 00309 EOS_c = 0; 00310 segment_c = 0; 00311 data_c = 0; 00312 00313 Sframe = true; 00314 SCH40_f = false; 00315 data_f = false; 00316 FCCH80_f = false; 00317 transmit_data_f = false; 00318 reset_adf = false; 00319 *last_buffer = false; 00320 } 00321 00322 for(RB_c = 0 ; RB_c<112 ; RB_c++){ 00323 00324 if(junk_f || *last_buffer){ 00325 transmit[RB_c] = 0x00; 00326 continue; 00327 } 00328 00329 if(Sframe){ 00330 transmit[RB_c] = S_frame[Sframe_c++]; 00331 if(Sframe_c == 48){ 00332 // printf("exit s frame\n"); 00333 Sframe_c = 0; 00334 Sframe = false; 00335 SCH40_f =true; 00336 } 00337 continue; 00338 } 00339 // 00340 if(SCH40_f){ 00341 transmit[RB_c] = SCH40[SCH40_c++]; 00342 if(SCH40_c == 5 ){ 00343 SCH40_c = 0; 00344 SCH40_f = false; 00345 00346 00347 if(Tframe_c >= LAST_SEGMENT_SIZE && segment_r == 0) 00348 { 00349 repeat_data_f = true; 00350 DS_index = !DS_index; 00351 } 00352 else 00353 { 00354 data_f = true; 00355 make_DataStream; 00356 } 00357 // printf("exit SCH40 frame\n"); 00358 } 00359 continue; 00360 } 00361 // 00362 if(data_f){ 00363 transmit[RB_c] = interleave_data[DS_index][data_c++]; 00364 if(data_c == 144){ 00365 data_c = 0; 00366 FCCH80_f = true; 00367 data_f = false; 00368 // printf("exit Data\n"); 00369 } 00370 continue; 00371 } 00372 if(repeat_data_f){ 00373 transmit[RB_c] = interleave_data[DS_index][data_c++]; 00374 if(data_c == 144){ 00375 data_c = 0; 00376 FCCH80_f = true; 00377 repeat_data_f = false; 00378 // printf("exit Data\n"); 00379 } 00380 continue; 00381 } 00382 00383 if(FCCH80_f){ 00384 transmit[RB_c] = FCCH80[FCCH80_c++]; 00385 if(FCCH80_c == 10){ 00386 FCCH80_c = 0; 00387 FCCH80_f = false; 00388 // printf("exit FCCH80\n"); 00389 if(++Tframe_c != ISR) 00390 SCH40_f = true; 00391 else{ 00392 Tframe_c = 0; 00393 segment_c++; 00394 if(segment_c >= SEGMENT_NO - 1 && TOTAL_SEGMENT_NO == 0) segment_r = 0; else segment_r = 1; 00395 if(segment_c == SEGMENT_NO) 00396 {eos_f = true;} 00397 else{ 00398 Sframe = true; 00399 } 00400 } 00401 } 00402 continue; 00403 } 00404 00405 if(eos_f){ 00406 transmit[RB_c] = EoS[EOS_c++]; 00407 if(EOS_c == EOS_SIZE){ 00408 EOS_c = 0; 00409 eos_f = false; 00410 if(segment_c == SEGMENT_NO && segment_r == 0){ 00411 *last_buffer = true; 00412 } 00413 else if(segment_c == SEGMENT_NO && segment_r != 0){ 00414 segment_c = 0; 00415 SEGMENT_NO = TOTAL_SEGMENT_NO; 00416 if(SEGMENT_NO > MAX_SEGMENT) 00417 { 00418 SEGMENT_NO = MAX_SEGMENT; 00419 } 00420 if(SEGMENT_NO == 1) segment_r = 0; else segment_r = 1; 00421 TOTAL_SEGMENT_NO -= SEGMENT_NO; 00422 reset_adf = true;//what does this do?? 00423 Sframe = true; 00424 junk_f = true; 00425 } 00426 } 00427 continue; 00428 } 00429 } 00430 differential_encode(transmit,112); 00431 if(reset_adf == true){ 00432 diff_prev = 0; 00433 junk_f = false; 00434 } 00435 00436 } 00437 00438 }; 00439 SND_TM snd_tm;
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