diff options
Diffstat (limited to 'Transceiver52M/device/lms/LMSDevice.cpp')
| -rw-r--r-- | Transceiver52M/device/lms/LMSDevice.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Transceiver52M/device/lms/LMSDevice.cpp b/Transceiver52M/device/lms/LMSDevice.cpp index 30fd665..221d7e2 100644 --- a/Transceiver52M/device/lms/LMSDevice.cpp +++ b/Transceiver52M/device/lms/LMSDevice.cpp @@ -1026,8 +1026,25 @@ bool LMSDevice::setTxFreq(double wFreq, size_t chan) bool LMSDevice::setRxFreq(double wFreq, size_t chan) { + uint16_t req_arfcn; + enum gsm_band req_band; + LOGCHAN(chan, DDEV, NOTICE) << "Setting Rx Freq to " << wFreq << " Hz"; + req_arfcn = gsm_freq102arfcn(wFreq / 1000 / 100, 1); + if (req_arfcn == 0xffff) { + LOGCHAN(chan, DDEV, ALERT) << "Unknown ARFCN for Rx Frequency " << wFreq / 1000 << " kHz"; + return false; + } + if (gsm_arfcn2band_rc(req_arfcn, &req_band) < 0) { + LOGCHAN(chan, DDEV, ALERT) << "Unknown GSM band for Rx Frequency " << wFreq + << " Hz (ARFCN " << req_arfcn << " )"; + return false; + } + + if (!set_band(req_band)) + return false; + if (LMS_SetLOFrequency(m_lms_dev, LMS_CH_RX, chan, wFreq) < 0) { LOGCHAN(chan, DDEV, ERROR) << "Error setting Rx Freq to " << wFreq << " Hz"; return false; |