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soapy: add macro to disable stream stopping before changing sample rate

This commit is contained in:
Andre Puschmann 2020-03-30 20:49:17 +02:00
parent d32b4d5529
commit 6911ee3004
1 changed files with 10 additions and 0 deletions
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10
lib/src/phy/rf/rf_soapy_imp.c
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@ -37,6 +37,7 @@
#define HAVE_ASYNC_THREAD 1
#define STOP_STREAM_BEFORE_RATE_CHANGE 1
#define USE_TX_MTU 0
#define SET_RF_BW 1
@ -592,11 +593,13 @@ double rf_soapy_set_rx_srate(void* h, double rate)
{
rf_soapy_handler_t* handler = (rf_soapy_handler_t*)h;
#if STOP_STREAM_BEFORE_RATE_CHANGE
// Restart streaming, as the Lime seems to have problems reconfiguring the sample rate during streaming
bool rx_stream_active = handler->rx_stream_active;
if (rx_stream_active) {
rf_soapy_stop_rx_stream(handler);
}
#endif // STOP_STREAM_BEFORE_RATE_CHANGE
for (uint32_t i = 0; i < handler->num_rx_channels; i++) {
if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_RX, i, rate) != 0) {
@ -622,9 +625,11 @@ double rf_soapy_set_rx_srate(void* h, double rate)
#endif
}
#if STOP_STREAM_BEFORE_RATE_CHANGE
if (rx_stream_active) {
rf_soapy_start_rx_stream(handler, true);
}
#endif // STOP_STREAM_BEFORE_RATE_CHANGE
// retrun sample rate of first channel
return SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_RX, 0);
@ -634,11 +639,13 @@ double rf_soapy_set_tx_srate(void* h, double rate)
{
rf_soapy_handler_t* handler = (rf_soapy_handler_t*)h;
#if STOP_STREAM_BEFORE_RATE_CHANGE
// stop/start streaming during rate reconfiguration
bool rx_stream_active = handler->rx_stream_active;
if (handler->rx_stream_active) {
rf_soapy_stop_rx_stream(handler);
}
#endif // STOP_STREAM_BEFORE_RATE_CHANGE
for (uint32_t i = 0; i < handler->num_tx_channels; i++) {
if (SoapySDRDevice_setSampleRate(handler->device, SOAPY_SDR_TX, i, rate) != 0) {
@ -663,9 +670,12 @@ double rf_soapy_set_tx_srate(void* h, double rate)
}
#endif
}
#if STOP_STREAM_BEFORE_RATE_CHANGE
if (rx_stream_active) {
rf_soapy_start_rx_stream(handler, true);
}
#endif // STOP_STREAM_BEFORE_RATE_CHANGE
handler->tx_rate = SoapySDRDevice_getSampleRate(handler->device, SOAPY_SDR_TX, 0);