SDR: Checking given parameters with a tollerance of up to 0.001
Rounding errors may cause given parameters to be changed a little. When comparing the set-values with the get-value, a small amount of tollerance must be allowed. Thanx to Syvain, pointing to this bug!
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@ -78,7 +78,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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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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if (fabs(got_rate - rate) > 0.001) {
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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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@ -93,7 +93,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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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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if (fabs(got_gain - tx_gain) > 0.001) {
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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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@ -107,7 +107,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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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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if (fabs(got_frequency - tx_frequency) > 0.001) {
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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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@ -122,7 +122,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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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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if (fabs(got_bandwidth - bandwidth) >= 0.001) {
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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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@ -154,7 +154,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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/* see what rate actually is */
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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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if (fabs(got_rate - rate) > 0.001) {
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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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@ -169,7 +169,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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/* see what gain actually is */
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got_gain = SoapySDRDevice_getGain(sdr, SOAPY_SDR_RX, channel);
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if (got_gain != rx_gain) {
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if (fabs(got_gain - rx_gain) > 0.001) {
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PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
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rx_gain = got_gain;
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}
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@ -183,7 +183,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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/* see what frequency actually is */
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got_frequency = SoapySDRDevice_getFrequency(sdr, SOAPY_SDR_RX, channel);
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if (got_frequency != rx_frequency) {
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if (fabs(got_frequency - rx_frequency) > 0.001) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
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soapy_close();
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return -EINVAL;
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@ -198,7 +198,7 @@ int soapy_open(const char *device_args, double tx_frequency, double rx_frequency
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/* see what bandwidth actually is */
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got_bandwidth = SoapySDRDevice_getBandwidth(sdr, SOAPY_SDR_RX, channel);
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if (got_bandwidth != bandwidth) {
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if (fabs(got_bandwidth - bandwidth) > 0.001) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given RX 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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@ -87,7 +87,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_rate != rate) {
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if (fabs(got_rate - rate) > 0.001) {
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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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uhd_close();
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return -EINVAL;
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@ -108,7 +108,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_gain != tx_gain) {
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if (fabs(got_gain - tx_gain) > 0.001) {
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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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@ -132,7 +132,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_frequency != tx_frequency) {
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if (fabs(got_frequency - tx_frequency) > 0.001) {
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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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uhd_close();
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return -EINVAL;
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@ -152,7 +152,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_bandwidth != bandwidth) {
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if (fabs(got_bandwidth - bandwidth) > 0.001) {
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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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uhd_close();
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return -EINVAL;
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@ -213,7 +213,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_rate != rate) {
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if (fabs(got_rate - rate) > 0.001) {
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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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uhd_close();
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return -EINVAL;
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@ -234,7 +234,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_gain != rx_gain) {
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if (fabs(got_gain - rx_gain) > 0.001) {
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PDEBUG(DUHD, DEBUG_NOTICE, "Given RX gain %.3f is not supported, we use %.3f\n", rx_gain, got_gain);
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rx_gain = got_gain;
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}
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@ -258,7 +258,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_frequency != rx_frequency) {
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if (fabs(got_frequency - rx_frequency) > 0.001) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given RX frequency %.0f Hz is not supported, try %0.f Hz\n", rx_frequency, got_frequency);
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uhd_close();
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return -EINVAL;
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@ -278,7 +278,7 @@ int uhd_open(const char *device_args, double tx_frequency, double rx_frequency,
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uhd_close();
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return -EIO;
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}
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if (got_bandwidth != bandwidth) {
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if (fabs(got_bandwidth - bandwidth) > 0.001) {
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PDEBUG(DUHD, DEBUG_ERROR, "Given RX bandwidth %.0f Hz is not supported, try %0.f Hz\n", bandwidth, got_bandwidth);
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uhd_close();
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return -EINVAL;
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@ -439,10 +439,10 @@ int uhd_receive(float *buff, int max)
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PDEBUG(DUHD, DEBUG_ERROR, "Received rate (%.0f) does not match defined rate (%.0f), use diffrent sample rate that UHD device can handle!\n", (double)got / got_time, samplerate);
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return -EPERM;
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}
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check_rate = 0;
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rx_gap = diff_time * (double)samplerate + 0.5;
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PDEBUG(DUHD, DEBUG_ERROR, "Lost rx frame(s): A gap of %.6f seconds (%d samples), \n", diff_time, rx_gap);
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}
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check_rate = 0;
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}
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break;
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}
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