Eric | 7d897cb | 2022-11-28 19:20:32 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2022 sysmocom - s.f.m.c. GmbH |
| 3 | * |
| 4 | * Author: Eric Wild <ewild@sysmocom.de> |
| 5 | * |
| 6 | * SPDX-License-Identifier: AGPL-3.0+ |
| 7 | * |
| 8 | * This program is free software: you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU Affero General Public License as published by |
| 10 | * the Free Software Foundation, either version 3 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU Affero General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU Affero General Public License |
| 19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | * See the COPYING file in the main directory for details. |
| 21 | */ |
| 22 | |
| 23 | #pragma once |
| 24 | |
| 25 | #ifdef HAVE_CONFIG_H |
| 26 | #include "config.h" |
| 27 | #endif |
| 28 | |
| 29 | #include "radioDevice.h" |
| 30 | #include "smpl_buf.h" |
| 31 | |
| 32 | extern "C" { |
| 33 | #include <osmocom/gsm/gsm_utils.h> |
| 34 | } |
| 35 | |
| 36 | #include <bladerf.h> |
| 37 | |
| 38 | enum class blade_dev_type { BLADE1, BLADE2 }; |
| 39 | |
| 40 | struct dev_band_desc { |
| 41 | /* Maximum UHD Tx Gain which can be set/used without distorting the |
| 42 | output signal, and the resulting real output power measured when that |
| 43 | gain is used. Correct measured values only provided for B210 so far. */ |
| 44 | double nom_uhd_tx_gain; /* dB */ |
| 45 | double nom_out_tx_power; /* dBm */ |
| 46 | /* Factor used to infer base real RSSI offset on the Rx path based on current |
| 47 | configured RxGain. The resulting rssiOffset is added to the per burst |
| 48 | calculated energy in upper layers. These values were empirically |
| 49 | found and may change based on multiple factors, see OS#4468. |
| 50 | rssiOffset = rxGain + rxgain2rssioffset_rel; |
| 51 | */ |
| 52 | double rxgain2rssioffset_rel; /* dB */ |
| 53 | }; |
| 54 | |
| 55 | class blade_device : public RadioDevice { |
| 56 | public: |
Eric | 19e134a | 2023-05-10 23:50:38 +0200 | [diff] [blame^] | 57 | blade_device(InterfaceType iface, const struct trx_cfg *cfg); |
Eric | 7d897cb | 2022-11-28 19:20:32 +0100 | [diff] [blame] | 58 | ~blade_device(); |
| 59 | |
Eric | 19e134a | 2023-05-10 23:50:38 +0200 | [diff] [blame^] | 60 | int open(); |
Eric | 7d897cb | 2022-11-28 19:20:32 +0100 | [diff] [blame] | 61 | bool start(); |
| 62 | bool stop(); |
| 63 | bool restart(); |
| 64 | enum TxWindowType getWindowType() |
| 65 | { |
| 66 | return tx_window; |
| 67 | } |
| 68 | |
| 69 | int readSamples(std::vector<short *> &bufs, int len, bool *overrun, TIMESTAMP timestamp, bool *underrun); |
| 70 | |
| 71 | int writeSamples(std::vector<short *> &bufs, int len, bool *underrun, TIMESTAMP timestamp); |
| 72 | |
| 73 | bool updateAlignment(TIMESTAMP timestamp); |
| 74 | |
| 75 | bool setTxFreq(double wFreq, size_t chan); |
| 76 | bool setRxFreq(double wFreq, size_t chan); |
| 77 | |
| 78 | TIMESTAMP initialWriteTimestamp(); |
| 79 | TIMESTAMP initialReadTimestamp(); |
| 80 | |
| 81 | double fullScaleInputValue(); |
| 82 | double fullScaleOutputValue(); |
| 83 | |
| 84 | double setRxGain(double db, size_t chan); |
| 85 | double getRxGain(size_t chan); |
| 86 | double maxRxGain(void) |
| 87 | { |
| 88 | return rx_gain_max; |
| 89 | } |
| 90 | double minRxGain(void) |
| 91 | { |
| 92 | return rx_gain_min; |
| 93 | } |
| 94 | double rssiOffset(size_t chan); |
| 95 | |
| 96 | double setPowerAttenuation(int atten, size_t chan); |
| 97 | double getPowerAttenuation(size_t chan = 0); |
| 98 | |
| 99 | int getNominalTxPower(size_t chan = 0); |
| 100 | |
| 101 | double getTxFreq(size_t chan); |
| 102 | double getRxFreq(size_t chan); |
| 103 | double getRxFreq(); |
| 104 | |
| 105 | bool setRxAntenna(const std::string &ant, size_t chan) |
| 106 | { |
| 107 | return {}; |
| 108 | }; |
| 109 | std::string getRxAntenna(size_t chan) |
| 110 | { |
| 111 | return {}; |
| 112 | }; |
| 113 | bool setTxAntenna(const std::string &ant, size_t chan) |
| 114 | { |
| 115 | return {}; |
| 116 | }; |
| 117 | std::string getTxAntenna(size_t chan) |
| 118 | { |
| 119 | return {}; |
| 120 | }; |
| 121 | |
| 122 | bool requiresRadioAlign(); |
| 123 | |
| 124 | GSM::Time minLatency(); |
| 125 | |
| 126 | inline double getSampleRate() |
| 127 | { |
| 128 | return tx_rate; |
| 129 | } |
| 130 | |
| 131 | /** Receive and process asynchronous message |
| 132 | @return true if message received or false on timeout or error |
| 133 | */ |
| 134 | bool recv_async_msg(); |
| 135 | |
| 136 | enum err_code { |
| 137 | ERROR_TIMING = -1, |
| 138 | ERROR_TIMEOUT = -2, |
| 139 | ERROR_UNRECOVERABLE = -3, |
| 140 | ERROR_UNHANDLED = -4, |
| 141 | }; |
| 142 | |
| 143 | protected: |
| 144 | struct bladerf *dev; |
| 145 | void *usrp_dev; |
| 146 | |
| 147 | enum TxWindowType tx_window; |
| 148 | enum blade_dev_type dev_type; |
| 149 | |
| 150 | double tx_rate, rx_rate; |
| 151 | |
| 152 | double rx_gain_min, rx_gain_max; |
| 153 | |
| 154 | std::vector<double> tx_gains, rx_gains; |
| 155 | std::vector<double> tx_freqs, rx_freqs; |
| 156 | bool band_ass_curr_sess; /* true if "band" was set after last POWEROFF */ |
| 157 | enum gsm_band band; |
| 158 | struct dev_band_desc band_desc; |
| 159 | size_t tx_spp, rx_spp; |
| 160 | |
| 161 | bool started; |
| 162 | bool aligned; |
| 163 | |
| 164 | size_t drop_cnt; |
| 165 | uint64_t prev_ts; |
| 166 | |
| 167 | TIMESTAMP ts_initial, ts_offset; |
| 168 | std::vector<smpl_buf *> rx_buffers; |
| 169 | /* Sample buffers used to receive samples: */ |
| 170 | std::vector<std::vector<short> > pkt_bufs; |
| 171 | /* Used to call UHD API: Buffer pointer of each elem in pkt_ptrs will |
| 172 | point to corresponding buffer of vector pkt_bufs. */ |
| 173 | std::vector<short *> pkt_ptrs; |
| 174 | |
| 175 | void init_gains(); |
| 176 | void set_channels(bool swap); |
| 177 | void set_rates(); |
| 178 | bool flush_recv(size_t num_pkts); |
| 179 | |
| 180 | bool set_freq(double freq, size_t chan, bool tx); |
| 181 | void get_dev_band_desc(dev_band_desc &desc); |
| 182 | bool set_band(enum gsm_band req_band); |
| 183 | void assign_band_desc(enum gsm_band req_band); |
| 184 | |
| 185 | Thread *async_event_thrd; |
| 186 | Mutex tune_lock; |
| 187 | }; |