SDR: disable TX or RX by setting TX or RX frequency to 0
This way it is possible to use SDR simplex
This commit is contained in:
Andreas Eversberg
parent
6e0e0c9ce8
commit
65694f3b80
202
src/common/sdr.c
202
src/common/sdr.c
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@ -81,7 +81,7 @@ void *sdr_open(const char __attribute__((__unused__)) *audiodev, double *tx_freq
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{
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sdr_t *sdr;
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double bandwidth;
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double tx_center_frequency, rx_center_frequency;
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double tx_center_frequency = 0.0, rx_center_frequency = 0.0;
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int rc;
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int c;
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@ -117,102 +117,124 @@ void *sdr_open(const char __attribute__((__unused__)) *audiodev, double *tx_freq
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PDEBUG(DSDR, DEBUG_ERROR, "NO MEM!\n");
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goto error;
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}
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for (c = 0; c < channels; c++) {
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PDEBUG(DSDR, DEBUG_INFO, "Frequency #%d: TX = %.6f MHz, RX = %.6f MHz\n", c, tx_frequency[c] / 1e6, rx_frequency[c] / 1e6);
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sdr->chan[c].tx_frequency = tx_frequency[c];
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sdr->chan[c].rx_frequency = rx_frequency[c];
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}
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if (sdr->paging_channel) {
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PDEBUG(DSDR, DEBUG_INFO, "Paging Frequency: TX = %.6f MHz\n", paging_frequency / 1e6);
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sdr->chan[sdr->paging_channel].tx_frequency = paging_frequency;
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if (tx_frequency) {
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/* calculate required bandwidth (IQ rate) */
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for (c = 0; c < channels; c++) {
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PDEBUG(DSDR, DEBUG_INFO, "Frequency #%d: TX = %.6f MHz\n", c, tx_frequency[c] / 1e6);
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sdr->chan[c].tx_frequency = tx_frequency[c];
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}
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if (sdr->paging_channel) {
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PDEBUG(DSDR, DEBUG_INFO, "Paging Frequency: TX = %.6f MHz\n", paging_frequency / 1e6);
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sdr->chan[sdr->paging_channel].tx_frequency = paging_frequency;
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}
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double tx_low_frequency = sdr->chan[0].tx_frequency, tx_high_frequency = sdr->chan[0].tx_frequency;
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for (c = 1; c < channels; c++) {
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if (sdr->chan[c].tx_frequency < tx_low_frequency)
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tx_low_frequency = sdr->chan[c].tx_frequency;
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if (sdr->chan[c].tx_frequency > tx_high_frequency)
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tx_high_frequency = sdr->chan[c].tx_frequency;
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}
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if (sdr->paging_channel) {
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if (sdr->chan[sdr->paging_channel].tx_frequency < tx_low_frequency)
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tx_low_frequency = sdr->chan[sdr->paging_channel].tx_frequency;
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if (sdr->chan[sdr->paging_channel].tx_frequency > tx_high_frequency)
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tx_high_frequency = sdr->chan[sdr->paging_channel].tx_frequency;
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}
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/* range of TX */
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double range = tx_high_frequency - tx_low_frequency;
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if (range)
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PDEBUG(DSDR, DEBUG_DEBUG, "Range between all TX Frequencies: %.6f MHz\n", range / 1e6);
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if (range * 2 > sdr->samplerate) {
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// why that? actually i don't know. i just want to be safe....
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PDEBUG(DSDR, DEBUG_NOTICE, "The sample rate must be at least twice the range between frequencies.\n");
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PDEBUG(DSDR, DEBUG_NOTICE, "The given rate is %.6f MHz, but required rate must be >= %.6f MHz\n", sdr->samplerate / 1e6, range * 2.0 / 1e6);
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PDEBUG(DSDR, DEBUG_NOTICE, "Please increase samplerate!\n");
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goto error;
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}
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tx_center_frequency = (tx_high_frequency + tx_low_frequency) / 2.0;
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PDEBUG(DSDR, DEBUG_INFO, "Using center frequency: TX %.6f MHz\n", tx_center_frequency / 1e6);
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/* set offsets to center frequency */
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for (c = 0; c < channels; c++) {
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double tx_offset;
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tx_offset = sdr->chan[c].tx_frequency - tx_center_frequency;
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PDEBUG(DSDR, DEBUG_DEBUG, "Frequency #%d: TX offset: %.6f MHz\n", c, tx_offset / 1e6);
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fm_mod_init(&sdr->chan[c].mod, sdr->samplerate, tx_offset, sdr->amplitude);
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}
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if (sdr->paging_channel) {
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double tx_offset;
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tx_offset = sdr->chan[sdr->paging_channel].tx_frequency - tx_center_frequency;
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PDEBUG(DSDR, DEBUG_DEBUG, "Paging Frequency: TX offset: %.6f MHz\n", tx_offset / 1e6);
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fm_mod_init(&sdr->chan[sdr->paging_channel].mod, sdr->samplerate, tx_offset, sdr->amplitude);
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}
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/* show gain */
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PDEBUG(DSDR, DEBUG_INFO, "Using gain: TX %.1f dB\n", sdr_tx_gain);
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/* open wave */
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if (sdr_write_iq_tx_wave) {
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rc = wave_create_record(&sdr->wave_tx_rec, sdr_write_iq_tx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE recoding instance!\n");
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goto error;
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}
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}
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if (sdr_read_iq_tx_wave) {
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rc = wave_create_playback(&sdr->wave_tx_play, sdr_read_iq_tx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
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goto error;
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}
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}
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}
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/* calculate required bandwidth (IQ rate) */
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double tx_low_frequency = sdr->chan[0].tx_frequency, tx_high_frequency = sdr->chan[0].tx_frequency;
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double rx_low_frequency = sdr->chan[0].rx_frequency, rx_high_frequency = sdr->chan[0].rx_frequency;
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double range;
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for (c = 1; c < channels; c++) {
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if (sdr->chan[c].tx_frequency < tx_low_frequency)
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tx_low_frequency = sdr->chan[c].tx_frequency;
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if (sdr->chan[c].tx_frequency > tx_high_frequency)
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tx_high_frequency = sdr->chan[c].tx_frequency;
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if (sdr->chan[c].rx_frequency < rx_low_frequency)
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rx_low_frequency = sdr->chan[c].rx_frequency;
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if (sdr->chan[c].rx_frequency > rx_high_frequency)
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rx_high_frequency = sdr->chan[c].rx_frequency;
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}
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if (sdr->paging_channel) {
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if (sdr->chan[sdr->paging_channel].tx_frequency < tx_low_frequency)
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tx_low_frequency = sdr->chan[sdr->paging_channel].tx_frequency;
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if (sdr->chan[sdr->paging_channel].tx_frequency > tx_high_frequency)
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tx_high_frequency = sdr->chan[sdr->paging_channel].tx_frequency;
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}
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/* range of TX */
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range = tx_high_frequency - tx_low_frequency;
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if (range)
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PDEBUG(DSDR, DEBUG_DEBUG, "Range between all TX Frequencies: %.6f MHz\n", range / 1e6);
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if (range * 2 > sdr->samplerate) {
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// why that? actually i don't know. i just want to be safe....
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PDEBUG(DSDR, DEBUG_NOTICE, "The sample rate must be at least twice the range between frequencies.\n");
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PDEBUG(DSDR, DEBUG_NOTICE, "The given rate is %.6f MHz, but required rate must be >= %.6f MHz\n", sdr->samplerate / 1e6, range * 2.0 / 1e6);
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PDEBUG(DSDR, DEBUG_NOTICE, "Please increase samplerate!\n");
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goto error;
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}
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tx_center_frequency = (tx_high_frequency + tx_low_frequency) / 2.0;
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/* range of RX */
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range = rx_high_frequency - rx_low_frequency;
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if (range)
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PDEBUG(DSDR, DEBUG_DEBUG, "Range between all RX Frequencies: %.6f MHz\n", range / 1e6);
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if (range * 2.0 > sdr->samplerate) {
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// why that? actually i don't know. i just want to be safe....
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PDEBUG(DSDR, DEBUG_NOTICE, "The sample rate must be at least twice the range between frequencies. Please increment samplerate!\n");
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goto error;
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}
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rx_center_frequency = (rx_high_frequency + rx_low_frequency) / 2.0;
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PDEBUG(DSDR, DEBUG_INFO, "Using center frequency: TX %.6f MHz, RX %.6f\n", tx_center_frequency / 1e6, rx_center_frequency / 1e6);
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/* set offsets to center frequency */
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for (c = 0; c < channels; c++) {
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double tx_offset, rx_offset;
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tx_offset = sdr->chan[c].tx_frequency - tx_center_frequency;
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rx_offset = sdr->chan[c].rx_frequency - rx_center_frequency;
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PDEBUG(DSDR, DEBUG_DEBUG, "Frequency #%d: TX offset: %.6f MHz, RX offset: %.6f MHz\n", c, tx_offset / 1e6, rx_offset / 1e6);
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fm_mod_init(&sdr->chan[c].mod, sdr->samplerate, tx_offset, sdr->amplitude);
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fm_demod_init(&sdr->chan[c].demod, sdr->samplerate, rx_offset, bandwidth);
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}
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if (sdr->paging_channel) {
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double tx_offset;
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tx_offset = sdr->chan[sdr->paging_channel].tx_frequency - tx_center_frequency;
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PDEBUG(DSDR, DEBUG_DEBUG, "Paging Frequency: TX offset: %.6f MHz\n", tx_offset / 1e6);
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fm_mod_init(&sdr->chan[sdr->paging_channel].mod, sdr->samplerate, tx_offset, sdr->amplitude);
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}
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PDEBUG(DSDR, DEBUG_INFO, "Using gain: TX %.1f dB, RX %.1f dB\n", sdr_tx_gain, sdr_rx_gain);
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if (rx_frequency) {
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for (c = 0; c < channels; c++) {
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PDEBUG(DSDR, DEBUG_INFO, "Frequency #%d: RX = %.6f MHz\n", c, rx_frequency[c] / 1e6);
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sdr->chan[c].rx_frequency = rx_frequency[c];
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}
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if (sdr_write_iq_rx_wave) {
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rc = wave_create_record(&sdr->wave_rx_rec, sdr_write_iq_rx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE recoding instance!\n");
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/* calculate required bandwidth (IQ rate) */
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double rx_low_frequency = sdr->chan[0].rx_frequency, rx_high_frequency = sdr->chan[0].rx_frequency;
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for (c = 1; c < channels; c++) {
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if (sdr->chan[c].rx_frequency < rx_low_frequency)
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rx_low_frequency = sdr->chan[c].rx_frequency;
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if (sdr->chan[c].rx_frequency > rx_high_frequency)
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rx_high_frequency = sdr->chan[c].rx_frequency;
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}
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/* range of RX */
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double range = rx_high_frequency - rx_low_frequency;
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if (range)
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PDEBUG(DSDR, DEBUG_DEBUG, "Range between all RX Frequencies: %.6f MHz\n", range / 1e6);
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if (range * 2.0 > sdr->samplerate) {
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// why that? actually i don't know. i just want to be safe....
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PDEBUG(DSDR, DEBUG_NOTICE, "The sample rate must be at least twice the range between frequencies. Please increment samplerate!\n");
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goto error;
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}
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}
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if (sdr_write_iq_tx_wave) {
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rc = wave_create_record(&sdr->wave_tx_rec, sdr_write_iq_tx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE recoding instance!\n");
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goto error;
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rx_center_frequency = (rx_high_frequency + rx_low_frequency) / 2.0;
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PDEBUG(DSDR, DEBUG_INFO, "Using center frequency: RX %.6f MHz\n", rx_center_frequency / 1e6);
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/* set offsets to center frequency */
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for (c = 0; c < channels; c++) {
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double rx_offset;
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rx_offset = sdr->chan[c].rx_frequency - rx_center_frequency;
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PDEBUG(DSDR, DEBUG_DEBUG, "Frequency #%d: RX offset: %.6f MHz\n", c, rx_offset / 1e6);
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fm_demod_init(&sdr->chan[c].demod, sdr->samplerate, rx_offset, bandwidth);
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}
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}
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if (sdr_read_iq_rx_wave) {
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rc = wave_create_playback(&sdr->wave_rx_play, sdr_read_iq_rx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
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goto error;
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/* show gain */
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PDEBUG(DSDR, DEBUG_INFO, "Using gain: RX %.1f dB\n", sdr_rx_gain);
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/* open wave */
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if (sdr_write_iq_rx_wave) {
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rc = wave_create_record(&sdr->wave_rx_rec, sdr_write_iq_rx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE recoding instance!\n");
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goto error;
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}
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}
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}
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if (sdr_read_iq_tx_wave) {
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rc = wave_create_playback(&sdr->wave_tx_play, sdr_read_iq_tx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
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goto error;
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if (sdr_read_iq_rx_wave) {
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rc = wave_create_playback(&sdr->wave_rx_play, sdr_read_iq_rx_wave, sdr->samplerate, 2, 1.0);
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if (rc < 0) {
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PDEBUG(DSDR, DEBUG_ERROR, "Failed to create WAVE playback instance!\n");
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goto error;
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}
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}
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}
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@ -68,132 +68,156 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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return -EIO;
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}
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/* set rate */
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if (SoapySDRDevice_setSampleRate(sdr, SOAPY_SDR_TX, channel, rate) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX rate to %.0f Hz\n", rate);
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soapy_close();
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return -EIO;
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}
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if (SoapySDRDevice_setSampleRate(sdr, SOAPY_SDR_RX, channel, rate) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX rate to %.0f Hz\n", rate);
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soapy_close();
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return -EIO;
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if (tx_frequency) {
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/* set rate */
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if (SoapySDRDevice_setSampleRate(sdr, SOAPY_SDR_TX, channel, rate) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX rate to %.0f Hz\n", rate);
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soapy_close();
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return -EIO;
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}
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/* see what rate actually is */
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got_rate = SoapySDRDevice_getSampleRate(sdr, SOAPY_SDR_TX, channel);
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if (got_rate != rate) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given TX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
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soapy_close();
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return -EINVAL;
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}
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/* set gain */
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if (SoapySDRDevice_setGain(sdr, SOAPY_SDR_TX, channel, tx_gain) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX gain to %.0f\n", tx_gain);
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soapy_close();
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return -EIO;
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}
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/* see what gain actually is */
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got_gain = SoapySDRDevice_getGain(sdr, SOAPY_SDR_TX, channel);
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if (got_gain != tx_gain) {
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PDEBUG(DUHD, DEBUG_NOTICE, "Given TX gain %.0f is not supported, we use %0.f\n", tx_gain, got_gain);
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tx_gain = got_gain;
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}
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/* set frequency */
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if (SoapySDRDevice_setFrequency(sdr, SOAPY_SDR_TX, channel, tx_frequency, NULL) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX frequency to %.0f Hz\n", tx_frequency);
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soapy_close();
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return -EIO;
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}
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/* see what frequency actually is */
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got_frequency = SoapySDRDevice_getFrequency(sdr, SOAPY_SDR_TX, channel);
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if (got_frequency != tx_frequency) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given TX frequency %.0f Hz is not supported, try %0.f Hz\n", tx_frequency, got_frequency);
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soapy_close();
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return -EINVAL;
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}
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/* set bandwidth */
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if (SoapySDRDevice_setBandwidth(sdr, SOAPY_SDR_TX, channel, bandwidth) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX bandwidth to %.0f Hz\n", bandwidth);
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soapy_close();
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return -EIO;
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}
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/* see what bandwidth actually is */
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got_bandwidth = SoapySDRDevice_getBandwidth(sdr, SOAPY_SDR_TX, channel);
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if (got_bandwidth != bandwidth) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given TX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
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soapy_close();
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return -EINVAL;
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}
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/* set up streamer */
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if (SoapySDRDevice_setupStream(sdr, &txStream, SOAPY_SDR_TX, SOAPY_SDR_CF32, &channel, 1, NULL) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX streamer args\n");
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soapy_close();
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return -EIO;
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}
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/* get buffer sizes */
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tx_samps_per_buff = SoapySDRDevice_getStreamMTU(sdr, txStream);
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if (tx_samps_per_buff == 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX streamer sample buffer\n");
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soapy_close();
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return -EIO;
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}
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}
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/* see what rate actually is */
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got_rate = SoapySDRDevice_getSampleRate(sdr, SOAPY_SDR_TX, channel);
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if (got_rate != rate) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given TX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
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soapy_close();
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return -EINVAL;
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}
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got_rate = SoapySDRDevice_getSampleRate(sdr, SOAPY_SDR_RX, channel);
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if (got_rate != rate) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given RX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
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soapy_close();
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return -EINVAL;
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}
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if (rx_frequency) {
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/* set rate */
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if (SoapySDRDevice_setSampleRate(sdr, SOAPY_SDR_RX, channel, rate) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX rate to %.0f Hz\n", rate);
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soapy_close();
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return -EIO;
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}
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/* set gain */
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if (SoapySDRDevice_setGain(sdr, SOAPY_SDR_TX, channel, tx_gain) != 0) {
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PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX gain to %.0f\n", tx_gain);
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soapy_close();
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return -EIO;
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}
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if (SoapySDRDevice_setGain(sdr, SOAPY_SDR_RX, channel, rx_gain) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX gain to %.0f\n", rx_gain);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what rate actually is */
|
||||
got_rate = SoapySDRDevice_getSampleRate(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_rate != rate) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* see what gain actually is */
|
||||
got_gain = SoapySDRDevice_getGain(sdr, SOAPY_SDR_TX, channel);
|
||||
if (got_gain != tx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given TX gain %.0f is not supported, we use %0.f\n", tx_gain, got_gain);
|
||||
tx_gain = got_gain;
|
||||
}
|
||||
got_gain = SoapySDRDevice_getGain(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_gain != rx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
|
||||
rx_gain = got_gain;
|
||||
}
|
||||
/* set gain */
|
||||
if (SoapySDRDevice_setGain(sdr, SOAPY_SDR_RX, channel, rx_gain) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX gain to %.0f\n", rx_gain);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set frequency */
|
||||
if (SoapySDRDevice_setFrequency(sdr, SOAPY_SDR_TX, channel, tx_frequency, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX frequency to %.0f Hz\n", tx_frequency);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (SoapySDRDevice_setFrequency(sdr, SOAPY_SDR_RX, channel, rx_frequency, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX frequency to %.0f Hz\n", rx_frequency);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what gain actually is */
|
||||
got_gain = SoapySDRDevice_getGain(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_gain != rx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
|
||||
rx_gain = got_gain;
|
||||
}
|
||||
|
||||
/* see what frequency actually is */
|
||||
got_frequency = SoapySDRDevice_getFrequency(sdr, SOAPY_SDR_TX, channel);
|
||||
if (got_frequency != tx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX frequency %.0f Hz is not supported, try %0.f Hz\n", tx_frequency, got_frequency);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
got_frequency = SoapySDRDevice_getFrequency(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_frequency != rx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
/* set frequency */
|
||||
if (SoapySDRDevice_setFrequency(sdr, SOAPY_SDR_RX, channel, rx_frequency, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX frequency to %.0f Hz\n", rx_frequency);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set bandwidth */
|
||||
if (SoapySDRDevice_setBandwidth(sdr, SOAPY_SDR_TX, channel, bandwidth) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX bandwidth to %.0f Hz\n", bandwidth);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (SoapySDRDevice_setBandwidth(sdr, SOAPY_SDR_RX, channel, bandwidth) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX bandwidth to %.0f Hz\n", bandwidth);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what frequency actually is */
|
||||
got_frequency = SoapySDRDevice_getFrequency(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_frequency != rx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* see what bandwidth actually is */
|
||||
got_bandwidth = SoapySDRDevice_getBandwidth(sdr, SOAPY_SDR_TX, channel);
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
got_bandwidth = SoapySDRDevice_getBandwidth(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
/* set bandwidth */
|
||||
if (SoapySDRDevice_setBandwidth(sdr, SOAPY_SDR_RX, channel, bandwidth) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX bandwidth to %.0f Hz\n", bandwidth);
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set up streamer */
|
||||
if (SoapySDRDevice_setupStream(sdr, &txStream, SOAPY_SDR_TX, SOAPY_SDR_CF32, &channel, 1, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX streamer args\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (SoapySDRDevice_setupStream(sdr, &rxStream, SOAPY_SDR_RX, SOAPY_SDR_CF32, &channel, 1, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX streamer args\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what bandwidth actually is */
|
||||
got_bandwidth = SoapySDRDevice_getBandwidth(sdr, SOAPY_SDR_RX, channel);
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
soapy_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* get buffer sizes */
|
||||
tx_samps_per_buff = SoapySDRDevice_getStreamMTU(sdr, txStream);
|
||||
if (tx_samps_per_buff == 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX streamer sample buffer\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
rx_samps_per_buff = SoapySDRDevice_getStreamMTU(sdr, rxStream);
|
||||
if (rx_samps_per_buff == 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX streamer sample buffer\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
/* set up streamer */
|
||||
if (SoapySDRDevice_setupStream(sdr, &rxStream, SOAPY_SDR_RX, SOAPY_SDR_CF32, &channel, 1, NULL) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX streamer args\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* get buffer sizes */
|
||||
rx_samps_per_buff = SoapySDRDevice_getStreamMTU(sdr, rxStream);
|
||||
if (rx_samps_per_buff == 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX streamer sample buffer\n");
|
||||
soapy_close();
|
||||
return -EIO;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
425
src/common/uhd.c
425
src/common/uhd.c
|
|
@ -63,213 +63,248 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
|
|||
return -EIO;
|
||||
}
|
||||
|
||||
/* create streamers */
|
||||
error = uhd_tx_streamer_make(&tx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create TX streamer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
error = uhd_rx_streamer_make(&rx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create RX streamer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
if (tx_frequency) {
|
||||
/* create streamers */
|
||||
error = uhd_tx_streamer_make(&tx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create TX streamer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set rate */
|
||||
error = uhd_usrp_set_tx_rate(usrp, rate, channel);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX rate to %.0f Hz\n", rate);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* see what rate actually is */
|
||||
error = uhd_usrp_get_tx_rate(usrp, channel, &got_rate);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX rate\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_rate != rate) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* set gain */
|
||||
error = uhd_usrp_set_tx_gain(usrp, tx_gain, channel, "");
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX gain to %.0f\n", tx_gain);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* see what gain actually is */
|
||||
error = uhd_usrp_get_tx_gain(usrp, channel, "", &got_gain);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX gain\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_gain != tx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given TX gain %.0f is not supported, we use %0.f\n", tx_gain, got_gain);
|
||||
tx_gain = got_gain;
|
||||
}
|
||||
|
||||
/* set frequency */
|
||||
memset(&tune_request, 0, sizeof(tune_request));
|
||||
tune_request.target_freq = tx_frequency;
|
||||
tune_request.rf_freq_policy = UHD_TUNE_REQUEST_POLICY_AUTO;
|
||||
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 frequeny to %.0f Hz\n", tx_frequency);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* see what frequency actually is */
|
||||
error = uhd_usrp_get_tx_freq(usrp, channel, &got_frequency);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX frequency\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_frequency != tx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX frequency %.0f Hz is not supported, try %0.f Hz\n", tx_frequency, got_frequency);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* set bandwidth */
|
||||
if (uhd_usrp_set_tx_bandwidth(usrp, bandwidth, channel) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX bandwidth to %.0f Hz\n", bandwidth);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* see what bandwidth actually is */
|
||||
error = uhd_usrp_get_tx_bandwidth(usrp, channel, &got_bandwidth);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX bandwidth\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* set up streamer */
|
||||
memset(&stream_args, 0, sizeof(stream_args));
|
||||
stream_args.cpu_format = "fc32";
|
||||
stream_args.otw_format = "sc16";
|
||||
stream_args.args = "";
|
||||
stream_args.channel_list = &channel;
|
||||
stream_args.n_channels = 1;
|
||||
error = uhd_usrp_get_tx_stream(usrp, &stream_args, tx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX streamer args\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* get buffer sizes */
|
||||
error = uhd_tx_streamer_max_num_samps(tx_streamer, &tx_samps_per_buff);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX streamer sample buffer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
}
|
||||
|
||||
/* create rx metadata */
|
||||
error = uhd_rx_metadata_make(&rx_metadata);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create RX metadata\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (rx_frequency) {
|
||||
/* create streamers */
|
||||
error = uhd_rx_streamer_make(&rx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create RX streamer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set rate */
|
||||
error = uhd_usrp_set_tx_rate(usrp, rate, channel);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX rate to %.0f Hz\n", rate);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
error = uhd_usrp_set_rx_rate(usrp, rate, channel);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX rate to %.0f Hz\n", rate);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* create metadata */
|
||||
error = uhd_rx_metadata_make(&rx_metadata);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to create RX metadata\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* see what rate actually is */
|
||||
error = uhd_usrp_get_tx_rate(usrp, channel, &got_rate);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX rate\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_rate != rate) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
error = uhd_usrp_get_rx_rate(usrp, channel, &got_rate);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX rate\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_rate != rate) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
/* set rate */
|
||||
error = uhd_usrp_set_rx_rate(usrp, rate, channel);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX rate to %.0f Hz\n", rate);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set gain */
|
||||
error = uhd_usrp_set_tx_gain(usrp, tx_gain, channel, "");
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX gain to %.0f\n", tx_gain);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
error = uhd_usrp_set_rx_gain(usrp, rx_gain, channel, "");
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX gain to %.0f\n", rx_gain);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what rate actually is */
|
||||
error = uhd_usrp_get_rx_rate(usrp, channel, &got_rate);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX rate\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_rate != rate) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX rate %.0f Hz is not supported, try %0.f Hz\n", rate, got_rate);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* see what gain actually is */
|
||||
error = uhd_usrp_get_tx_gain(usrp, channel, "", &got_gain);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX gain\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_gain != tx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given TX gain %.0f is not supported, we use %0.f\n", tx_gain, got_gain);
|
||||
tx_gain = got_gain;
|
||||
}
|
||||
error = uhd_usrp_get_rx_gain(usrp, channel, "", &got_gain);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX gain\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_gain != rx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
|
||||
rx_gain = got_gain;
|
||||
}
|
||||
/* set gain */
|
||||
error = uhd_usrp_set_rx_gain(usrp, rx_gain, channel, "");
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX gain to %.0f\n", rx_gain);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set frequency */
|
||||
memset(&tune_request, 0, sizeof(tune_request));
|
||||
tune_request.target_freq = tx_frequency;
|
||||
tune_request.rf_freq_policy = UHD_TUNE_REQUEST_POLICY_AUTO;
|
||||
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 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 frequeny to %.0f Hz\n", rx_frequency);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what gain actually is */
|
||||
error = uhd_usrp_get_rx_gain(usrp, channel, "", &got_gain);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX gain\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_gain != rx_gain) {
|
||||
PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
|
||||
rx_gain = got_gain;
|
||||
}
|
||||
|
||||
/* see what frequency actually is */
|
||||
error = uhd_usrp_get_tx_freq(usrp, channel, &got_frequency);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX frequency\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_frequency != tx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX frequency %.0f Hz is not supported, try %0.f Hz\n", tx_frequency, got_frequency);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
error = uhd_usrp_get_rx_freq(usrp, channel, &got_frequency);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX frequency\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_frequency != rx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
/* set frequency */
|
||||
memset(&tune_request, 0, sizeof(tune_request));
|
||||
tune_request.target_freq = rx_frequency;
|
||||
tune_request.rf_freq_policy = UHD_TUNE_REQUEST_POLICY_AUTO;
|
||||
tune_request.dsp_freq_policy = UHD_TUNE_REQUEST_POLICY_AUTO;
|
||||
error = uhd_usrp_set_rx_freq(usrp, &tune_request, channel, &tune_result);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX frequeny to %.0f Hz\n", rx_frequency);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set bandwidth */
|
||||
if (uhd_usrp_set_tx_bandwidth(usrp, bandwidth, channel) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX bandwidth to %.0f Hz\n", bandwidth);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (uhd_usrp_set_rx_bandwidth(usrp, bandwidth, channel) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX bandwidth to %.0f Hz\n", bandwidth);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what frequency actually is */
|
||||
error = uhd_usrp_get_rx_freq(usrp, channel, &got_frequency);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX frequency\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_frequency != rx_frequency) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* see what bandwidth actually is */
|
||||
error = uhd_usrp_get_tx_bandwidth(usrp, channel, &got_bandwidth);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX bandwidth\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given TX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
error = uhd_usrp_get_rx_bandwidth(usrp, channel, &got_bandwidth);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX bandwidth\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
/* set bandwidth */
|
||||
if (uhd_usrp_set_rx_bandwidth(usrp, bandwidth, channel) != 0) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX bandwidth to %.0f Hz\n", bandwidth);
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* set up streamer */
|
||||
memset(&stream_args, 0, sizeof(stream_args));
|
||||
stream_args.cpu_format = "fc32";
|
||||
stream_args.otw_format = "sc16";
|
||||
stream_args.args = "";
|
||||
stream_args.channel_list = &channel;
|
||||
stream_args.n_channels = 1;
|
||||
error = uhd_usrp_get_tx_stream(usrp, &stream_args, tx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set TX streamer args\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
error = uhd_usrp_get_rx_stream(usrp, &stream_args, rx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX streamer args\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
/* see what bandwidth actually is */
|
||||
error = uhd_usrp_get_rx_bandwidth(usrp, channel, &got_bandwidth);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX bandwidth\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
if (got_bandwidth != bandwidth) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Given RX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
|
||||
uhd_close();
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* get buffer sizes */
|
||||
error = uhd_tx_streamer_max_num_samps(tx_streamer, &tx_samps_per_buff);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get TX streamer sample buffer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
error = uhd_rx_streamer_max_num_samps(rx_streamer, &rx_samps_per_buff);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX streamer sample buffer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
/* set up streamer */
|
||||
memset(&stream_args, 0, sizeof(stream_args));
|
||||
stream_args.cpu_format = "fc32";
|
||||
stream_args.otw_format = "sc16";
|
||||
stream_args.args = "";
|
||||
stream_args.channel_list = &channel;
|
||||
stream_args.n_channels = 1;
|
||||
error = uhd_usrp_get_rx_stream(usrp, &stream_args, rx_streamer);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to set RX streamer args\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* get buffer sizes */
|
||||
error = uhd_rx_streamer_max_num_samps(rx_streamer, &rx_samps_per_buff);
|
||||
if (error) {
|
||||
PDEBUG(DUHD, DEBUG_ERROR, "Failed to get RX streamer sample buffer\n");
|
||||
uhd_close();
|
||||
return -EIO;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
Loading…
Reference in New Issue