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SoapySDR support

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There is no time stamp handling. It is just TX'ing in advance and
synchronous to received RX rate.
This commit is contained in:
Andreas Eversberg
2017-02-18 13:51:26 +01:00
parent 17b6124122
commit 438ce08add
14 changed files with 419 additions and 29 deletions
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8
src/common/uhd.c
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@@ -166,14 +166,14 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
tune_request.dsp_freq_policy = UHD_TUNE_REQUEST_POLICY_AUTO;
error = uhd_usrp_set_tx_freq(usrp, &tune_request, channel, &tune_result);
if (error) {
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX rate to %.0f Hz\n", tx_frequency);
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX frequeny to %.0f Hz\n", tx_frequency);
uhd_close();
return -EIO;
}
tune_request.target_freq = rx_frequency;
error = uhd_usrp_set_rx_freq(usrp, &tune_request, channel, &tune_result);
if (error) {
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX rate to %.0f Hz\n", rx_frequency);
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX frequeny to %.0f Hz\n", rx_frequency);
uhd_close();
return -EIO;
}
@@ -327,7 +327,7 @@ int uhd_receive(float *buff, int max)
while (1) {
if (max < (int)rx_samps_per_buff) {
PDEBUG(DUHD, DEBUG_ERROR, "SDR rx buffer overflow!\n");
return 0;
break;
}
/* read RX stream */
buffs_ptr[0] = buff;
@@ -362,7 +362,7 @@ int uhd_receive(float *buff, int max)
}
check_rate = 0;
rx_gap = diff_time * (double)samplerate + 0.5;
PDEBUG(DUHD, DEBUG_ERROR, "Lost rx frame(s): A gap of %.6f secods (%d samples), \n", diff_time, rx_gap);
PDEBUG(DUHD, DEBUG_ERROR, "Lost rx frame(s): A gap of %.6f seconds (%d samples), \n", diff_time, rx_gap);
}
}
break;