1 /******************************************************************************
3 * Copyright (c) 2019 Intel.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 *******************************************************************************/
22 #include <arpa/inet.h>
27 #include "xran_fh_o_du.h"
29 #include "xran_pkt_up.h"
30 #include "xran_cp_api.h"
31 #include "xran_up_api.h"
33 #include "xran_mlog_lnx.h"
35 extern enum app_state state;
37 int iq_playback_buffer_size_dl = IQ_PLAYBACK_BUFFER_BYTES;
38 int iq_playback_buffer_size_ul = IQ_PLAYBACK_BUFFER_BYTES;
40 uint8_t numCCPorts = 1;
41 /* Number of antennas supported by front-end */
44 /* Number of CPRI ports supported by front-end */
46 int16_t *p_tx_play_buffer[MAX_ANT_CARRIER_SUPPORTED];
47 int32_t tx_play_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
48 int32_t tx_play_buffer_position[MAX_ANT_CARRIER_SUPPORTED];
50 int16_t *p_tx_prach_play_buffer[MAX_ANT_CARRIER_SUPPORTED];
51 int32_t tx_prach_play_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
52 int32_t tx_prach_play_buffer_position[MAX_ANT_CARRIER_SUPPORTED];
54 int16_t *p_rx_log_buffer[MAX_ANT_CARRIER_SUPPORTED];
55 int32_t rx_log_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
56 int32_t rx_log_buffer_position[MAX_ANT_CARRIER_SUPPORTED];
58 int16_t *p_prach_log_buffer[MAX_ANT_CARRIER_SUPPORTED];
59 int32_t prach_log_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
60 int32_t prach_log_buffer_position[MAX_ANT_CARRIER_SUPPORTED];
62 int16_t *p_tx_buffer[MAX_ANT_CARRIER_SUPPORTED];
63 int32_t tx_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
65 int16_t *p_rx_buffer[MAX_ANT_CARRIER_SUPPORTED];
66 int32_t rx_buffer_size[MAX_ANT_CARRIER_SUPPORTED];
69 // F1 Tables 38.101-1 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
70 uint16_t nNumRbsPerSymF1[3][13] =
72 // 5MHz 10MHz 15MHz 20 MHz 25 MHz 30 MHz 40 MHz 50MHz 60 MHz 70 MHz 80 MHz 90 MHz 100 MHz
73 {25, 52, 79, 106, 133, 160, 216, 270, 0, 0, 0, 0, 0}, // Numerology 0 (15KHz)
74 {11, 24, 38, 51, 65, 78, 106, 133, 162, 0, 217, 245, 273}, // Numerology 1 (30KHz)
75 {0, 11, 18, 24, 31, 38, 51, 65, 79, 0, 107, 121, 135} // Numerology 2 (60KHz)
78 // F2 Tables 38.101-2 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
79 uint16_t nNumRbsPerSymF2[2][4] =
81 // 50Mhz 100MHz 200MHz 400MHz
82 {66, 132, 264, 0}, // Numerology 2 (60KHz)
83 {32, 66, 132, 264} // Numerology 3 (120KHz)
86 // 38.211 - Table 4.2.1
87 uint16_t nSubCarrierSpacing[5] =
96 // TTI interval in us (slot duration)
97 uint16_t nTtiInterval[4] =
106 // F1 Tables 38.101-1 Table F.5.3. Window length for normal CP
107 uint16_t nCpSizeF1[3][13][2] =
109 // 5MHz 10MHz 15MHz 20 MHz 25 MHz 30 MHz 40 MHz 50MHz 60 MHz 70 MHz 80 MHz 90 MHz 100 MHz
110 {{40, 36}, {80, 72}, {120, 108}, {160, 144}, {160, 144}, {240, 216}, {320, 288}, {320, 288}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}}, // Numerology 0 (15KHz)
111 {{22, 18}, {44, 36}, {66, 54}, {88, 72}, {88, 72}, {132, 108}, {176, 144}, {176, 144}, {264, 216}, {264, 216}, {352, 288}, {352, 288}, {352, 288}}, // Numerology 1 (30KHz)
112 { {0, 0}, {26, 18}, {39, 27}, {52, 36}, {52, 36}, {78, 54}, {104, 72}, {104, 72}, {156, 108}, {156, 108}, {208, 144}, {208, 144}, {208, 144}}, // Numerology 2 (60KHz)
115 // F2 Tables 38.101-2 Table F.5.3. Window length for normal CP
116 int16_t nCpSizeF2[2][4][2] =
118 // 50Mhz 100MHz 200MHz 400MHz
119 { {0, 0}, {104, 72}, {208, 144}, {416, 288}}, // Numerology 2 (60KHz)
120 {{68, 36}, {136, 72}, {272, 144}, {544, 288}}, // Numerology 3 (120KHz)
123 uint32_t gMaxSlotNum;
126 uint32_t gDLResetAdvance;
127 uint32_t gDLProcAdvance;
128 uint32_t gULProcAdvance;
130 static uint16_t g_NumSlotTDDLoop[XRAN_MAX_SECTOR_NR] = { XRAN_NUM_OF_SLOT_IN_TDD_LOOP };
131 static uint16_t g_NumDLSymSp[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {0};
132 static uint16_t g_NumULSymSp[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {0};
133 static uint8_t g_SlotType[XRAN_MAX_SECTOR_NR][XRAN_NUM_OF_SLOT_IN_TDD_LOOP] = {{XRAN_SLOT_TYPE_INVALID}};
134 float g_UlRate[XRAN_MAX_SECTOR_NR] = {0.0};
135 float g_DlRate[XRAN_MAX_SECTOR_NR] = {0.0};
137 uint32_t app_xran_get_tti_interval(uint8_t nMu)
141 return nTtiInterval[nMu];
145 printf("ERROR: %s Mu[%d] is not valid\n",__FUNCTION__, nMu);
151 uint32_t app_xran_get_scs(uint8_t nMu)
155 return nSubCarrierSpacing[nMu];
159 printf("ERROR: %s Mu[%d] is not valid\n",__FUNCTION__, nMu);
168 //-------------------------------------------------------------------------------------------
169 /** @ingroup group_nr5g_source_phy_common
171 * @param[in] nNumerology - Numerology determine sub carrier spacing, Value: 0->4 0: 15khz, 1: 30khz, 2: 60khz 3: 120khz, 4: 240khz
172 * @param[in] nBandwidth - Carrier bandwidth for in MHz. Value: 5->400
173 * @param[in] nAbsFrePointA - Abs Freq Point A of the Carrier Center Frequency for in KHz Value: 450000->52600000
175 * @return Number of RBs in cell
178 * Returns number of RBs based on 38.101-1 and 38.101-2 for the cell
181 //-------------------------------------------------------------------------------------------
182 uint16_t app_xran_get_num_rbs(uint32_t nNumerology, uint32_t nBandwidth, uint32_t nAbsFrePointA)
187 if (nAbsFrePointA <= 6000000)
189 // F1 Tables 38.101-1 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
195 numRBs = nNumRbsPerSymF1[nNumerology][0];
198 case PHY_BW_10_0_MHZ:
199 numRBs = nNumRbsPerSymF1[nNumerology][1];
202 case PHY_BW_15_0_MHZ:
203 numRBs = nNumRbsPerSymF1[nNumerology][2];
206 case PHY_BW_20_0_MHZ:
207 numRBs = nNumRbsPerSymF1[nNumerology][3];
210 case PHY_BW_25_0_MHZ:
211 numRBs = nNumRbsPerSymF1[nNumerology][4];
214 case PHY_BW_30_0_MHZ:
215 numRBs = nNumRbsPerSymF1[nNumerology][5];
218 case PHY_BW_40_0_MHZ:
219 numRBs = nNumRbsPerSymF1[nNumerology][6];
222 case PHY_BW_50_0_MHZ:
223 numRBs = nNumRbsPerSymF1[nNumerology][7];
226 case PHY_BW_60_0_MHZ:
227 numRBs = nNumRbsPerSymF1[nNumerology][8];
230 case PHY_BW_70_0_MHZ:
231 numRBs = nNumRbsPerSymF1[nNumerology][9];
234 case PHY_BW_80_0_MHZ:
235 numRBs = nNumRbsPerSymF1[nNumerology][10];
238 case PHY_BW_90_0_MHZ:
239 numRBs = nNumRbsPerSymF1[nNumerology][11];
242 case PHY_BW_100_0_MHZ:
243 numRBs = nNumRbsPerSymF1[nNumerology][12];
254 if ((nNumerology >= 2) && (nNumerology <= 3))
256 // F2 Tables 38.101-2 Table 5.3.2-1. Maximum transmission bandwidth configuration NRB
259 case PHY_BW_50_0_MHZ:
260 numRBs = nNumRbsPerSymF2[nNumerology-2][0];
263 case PHY_BW_100_0_MHZ:
264 numRBs = nNumRbsPerSymF2[nNumerology-2][1];
267 case PHY_BW_200_0_MHZ:
268 numRBs = nNumRbsPerSymF2[nNumerology-2][2];
271 case PHY_BW_400_0_MHZ:
272 numRBs = nNumRbsPerSymF2[nNumerology-2][3];
285 printf("ERROR: %s: nNumerology[%d] nBandwidth[%d] nAbsFrePointA[%d]\n",__FUNCTION__, nNumerology, nBandwidth, nAbsFrePointA);
289 printf("%s: nNumerology[%d] nBandwidth[%d] nAbsFrePointA[%d] numRBs[%d]\n",__FUNCTION__, nNumerology, nBandwidth, nAbsFrePointA, numRBs);
295 //-------------------------------------------------------------------------------------------
296 /** @ingroup phy_cal_nrarfcn
298 * @param[in] center frequency
303 * This calculates NR-ARFCN value according to center frequency
306 //-------------------------------------------------------------------------------------------
307 uint32_t app_xran_cal_nrarfcn(uint32_t nCenterFreq)
309 uint32_t nDeltaFglobal,nFoffs,nNoffs;
310 uint32_t nNRARFCN = 0;
312 if(nCenterFreq > 0 && nCenterFreq < 3000*1000)
318 else if(nCenterFreq >= 3000*1000 && nCenterFreq < 24250*1000)
324 else if(nCenterFreq >= 24250*1000 && nCenterFreq <= 100000*1000)
332 printf("@@@@ incorrect center frerquency %d\n",nCenterFreq);
336 nNRARFCN = ((nCenterFreq - nFoffs)/nDeltaFglobal) + nNoffs;
338 printf("%s: nCenterFreq[%d] nDeltaFglobal[%d] nFoffs[%d] nNoffs[%d] nNRARFCN[%d]\n", __FUNCTION__, nCenterFreq, nDeltaFglobal, nFoffs, nNoffs, nNRARFCN);
342 int32_t app_xran_slot_limit(int32_t nSfIdx)
345 nSfIdx += gMaxSlotNum;
348 while (nSfIdx >= gMaxSlotNum) {
349 nSfIdx -= gMaxSlotNum;
355 void app_xran_clear_slot_type(uint32_t nPhyInstanceId)
357 g_UlRate[nPhyInstanceId] = 0.0;
358 g_DlRate[nPhyInstanceId] = 0.0;
359 g_NumSlotTDDLoop[nPhyInstanceId] = 1;
362 int32_t app_xran_set_slot_type(uint32_t nPhyInstanceId, uint32_t nFrameDuplexType, uint32_t nTddPeriod, struct xran_slot_config *psSlotConfig)
364 uint32_t nSlotNum, nSymNum, nVal, i;
365 uint32_t numDlSym, numUlSym, numGuardSym;
366 uint32_t numDlSlots = 0, numUlSlots = 0, numSpDlSlots = 0, numSpUlSlots = 0, numSpSlots = 0;
367 char sSlotPattern[XRAN_SLOT_TYPE_LAST][10] = {"IN\0", "DL\0", "UL\0", "SP\0", "FD\0"};
369 // nPhyInstanceId Carrier ID
370 // nFrameDuplexType 0 = FDD 1 = TDD
371 // nTddPeriod Tdd Periodicity
372 // psSlotConfig[80] Slot Config Structure for nTddPeriod Slots
374 g_UlRate[nPhyInstanceId] = 0.0;
375 g_DlRate[nPhyInstanceId] = 0.0;
376 g_NumSlotTDDLoop[nPhyInstanceId] = nTddPeriod;
378 for (i = 0; i < XRAN_NUM_OF_SLOT_IN_TDD_LOOP; i++)
380 g_SlotType[nPhyInstanceId][i] = XRAN_SLOT_TYPE_INVALID;
381 g_NumDLSymSp[nPhyInstanceId][i] = 0;
382 g_NumULSymSp[nPhyInstanceId][i] = 0;
385 if (nFrameDuplexType == XRAN_FDD)
387 for (i = 0; i < XRAN_NUM_OF_SLOT_IN_TDD_LOOP; i++)
389 g_SlotType[nPhyInstanceId][i] = XRAN_SLOT_TYPE_FDD;
391 g_NumSlotTDDLoop[nPhyInstanceId] = 1;
392 g_DlRate[nPhyInstanceId] = 1.0;
393 g_UlRate[nPhyInstanceId] = 1.0;
397 for (nSlotNum = 0; nSlotNum < nTddPeriod; nSlotNum++)
402 for (nSymNum = 0; nSymNum < XRAN_NUM_OF_SYMBOL_PER_SLOT; nSymNum++)
404 switch(psSlotConfig[nSlotNum].nSymbolType[nSymNum])
406 case XRAN_SYMBOL_TYPE_DL:
409 case XRAN_SYMBOL_TYPE_GUARD:
418 // printf("nSlotNum[%d] : numDlSym[%d] numGuardSym[%d] numUlSym[%d]\n", nSlotNum, numDlSym, numGuardSym, numUlSym);
420 if ((numUlSym == 0) && (numGuardSym == 0))
422 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_DL;
425 else if ((numDlSym == 0) && (numGuardSym == 0))
427 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_UL;
432 g_SlotType[nPhyInstanceId][nSlotNum] = XRAN_SLOT_TYPE_SP;
438 g_NumDLSymSp[nPhyInstanceId][nSlotNum] = numDlSym;
443 g_NumULSymSp[nPhyInstanceId][nSlotNum] = numUlSym;
447 // printf(" numDlSlots[%d] numUlSlots[%d] numSpSlots[%d] numSpDlSlots[%d] numSpUlSlots[%d]\n", numDlSlots, numUlSlots, numSpSlots, numSpDlSlots, numSpUlSlots);
450 g_DlRate[nPhyInstanceId] = (float)(numDlSlots + numSpDlSlots) / (float)nTddPeriod;
451 g_UlRate[nPhyInstanceId] = (float)(numUlSlots + numSpUlSlots) / (float)nTddPeriod;
454 printf("set_slot_type: nPhyInstanceId[%d] nFrameDuplexType[%d], nTddPeriod[%d]\n",
455 nPhyInstanceId, nFrameDuplexType, nTddPeriod);
457 printf("DLRate[%f] ULRate[%f]\n", g_DlRate[nPhyInstanceId], g_UlRate[nPhyInstanceId]);
459 nVal = (g_NumSlotTDDLoop[nPhyInstanceId] < 10) ? g_NumSlotTDDLoop[nPhyInstanceId] : 10;
461 printf("SlotPattern:\n");
463 for (nSlotNum = 0; nSlotNum < nVal; nSlotNum++)
465 printf("%d ", nSlotNum);
470 for (nSlotNum = 0, i = 0; nSlotNum < g_NumSlotTDDLoop[nPhyInstanceId]; nSlotNum++)
472 printf("%s ", sSlotPattern[g_SlotType[nPhyInstanceId][nSlotNum]]);
474 if ((i == 10) && ((nSlotNum+1) < g_NumSlotTDDLoop[nPhyInstanceId]))
477 printf(" %3d ", nSlotNum);
486 int32_t app_xran_get_slot_type(int32_t nCellIdx, int32_t nSlotdx, int32_t nType)
488 int32_t nSfIdxMod, nSfType, ret = 0;
490 nSfIdxMod = app_xran_slot_limit(nSlotdx) % ((g_NumSlotTDDLoop[nCellIdx] > 0) ? g_NumSlotTDDLoop[nCellIdx]: 1);
491 nSfType = g_SlotType[nCellIdx][nSfIdxMod];
493 if (nSfType == nType)
497 else if (nSfType == XRAN_SLOT_TYPE_SP)
499 if ((nType == XRAN_SLOT_TYPE_DL) && g_NumDLSymSp[nCellIdx][nSfIdxMod])
504 if ((nType == XRAN_SLOT_TYPE_UL) && g_NumULSymSp[nCellIdx][nSfIdxMod])
509 else if (nSfType == XRAN_SLOT_TYPE_FDD)
519 void sys_save_buf_to_file(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
523 if (filename && bufname)
526 printf("Storing %s to file %s: ", bufname, filename);
527 file = fopen(filename, "wb");
530 printf("can't open file %s!!!", filename);
535 num = fwrite(pBuffer, buffers_num, size, file);
538 printf("from addr (0x%lx) size (%d) bytes num (%d)", (uint64_t)pBuffer, size, num);
544 printf(" the file name, buffer name are not set!!!");
549 printf(" the %s is free: size = %d bytes!!!", bufname, size);
553 int sys_load_file_to_buff(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
555 unsigned int file_size = 0;
560 if (filename && bufname)
563 printf("Loading file %s to %s: ", filename, bufname);
564 file = fopen(filename, "rb");
569 printf("can't open file %s!!!", filename);
574 fseek(file, 0, SEEK_END);
575 file_size = ftell(file);
576 fseek(file, 0, SEEK_SET);
578 if ((file_size > size) || (file_size == 0))
581 printf("Reading IQ samples from file: File Size: %d [Buffer Size: %d]\n", file_size, size);
583 num = fread(pBuffer, buffers_num, size, file);
586 printf("from addr (0x%lx) size (%d) bytes num (%d)", (uint64_t)pBuffer, file_size, num);
593 printf(" the file name, buffer name are not set!!!");
598 printf(" the %s is free: size = %d bytes!!!", bufname, size);
604 void sys_save_buf_to_file_txt(char *filename, char *bufname, unsigned char *pBuffer, unsigned int size, unsigned int buffers_num)
613 if (filename && bufname)
616 printf("Storing %s to file %s: ", bufname, filename);
617 file = fopen(filename, "w");
620 printf("can't open file %s!!!", filename);
627 signed short *ptr = (signed short*)pBuffer;
628 for (i = 0; i < (size/((unsigned int)sizeof(signed short) /** 2 * 2 * 2*/)); i = i + 2)
631 ret = fprintf(file,"%d %d\n", ptr[i], ptr[i + 1]);
633 ret = fprintf(file,"%d %d ", ptr[i], ptr[i + 1]);
634 /* I data => Ramp data, from 1 to 792.
635 Q data => Contains time information of the current symbol:
636 Bits [15:14] = Antenna-ID
637 Bits [13:12] =
\9300
\94
638 Bits [11:8] = Subframe-ID
640 Bits [3:0] = Symbol-ID */
641 fprintf(file, "0x%04x: ant %d Subframe-ID %d Slot-ID %d Symbol-ID %d\n",
642 ptr[i + 1], (ptr[i + 1]>>14) & 0x3, (ptr[i + 1]>>8) & 0xF, (ptr[i + 1]>>4) & 0xF, (ptr[i + 1]>>0) & 0xF);
646 printf("fprintf %d\n", ret);
654 printf("from addr (0x%lx) size (%d) IQ num (%d)", (uint64_t)pBuffer, size, num);
660 printf(" the file name, buffer name are not set!!!");
665 printf(" the %s is free: size = %d bytes!!!", bufname, size);