diff options
| author | Martin Braun <martin.braun@ettus.com> | 2015-01-19 09:50:08 +0100 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2015-01-23 11:13:09 +0100 |
| commit | 38164fb54d0116abf8df4eb2e2df9c1a892c64af (patch) | |
| tree | d625d6e56e67a8abaa65e8d48f3d0e34bd1b5c61 /host/lib/usrp/common | |
| parent | 9c3cdb6ee831f164e5a8734a71ad3cd5543719ac (diff) | |
| download | uhd-38164fb54d0116abf8df4eb2e2df9c1a892c64af.tar.gz uhd-38164fb54d0116abf8df4eb2e2df9c1a892c64af.tar.bz2 uhd-38164fb54d0116abf8df4eb2e2df9c1a892c64af.zip | |
ad9361: More check for interpolation/decim ratios
Diffstat (limited to 'host/lib/usrp/common')
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 21 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.h | 2 |
2 files changed, 16 insertions, 7 deletions
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp index 7e574920a..afaa4a1fb 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp @@ -143,22 +143,25 @@ void ad9361_device_t::_program_fir_filter(direction_t direction, int num_taps, b /* Program the RX FIR Filter. */ -void ad9361_device_t::_setup_rx_fir(size_t num_taps, boost::int32_t interpolation) +void ad9361_device_t::_setup_rx_fir(size_t num_taps, boost::int32_t decimation) { + if (not (decimation == 1 or decimation == 2 or decimation == 4)) { + throw uhd::runtime_error("[ad9361_device_t] Invalid Rx FIR decimation."); + } boost::scoped_array<boost::uint16_t> coeffs(new boost::uint16_t[num_taps]); for (size_t i = 0; i < num_taps; i++) { switch (num_taps) { case 128: - coeffs[i] = boost::uint16_t((interpolation==4) ? fir_128_x4_coeffs[i] : hb127_coeffs[i]); + coeffs[i] = boost::uint16_t((decimation==4) ? fir_128_x4_coeffs[i] : hb127_coeffs[i]); break; case 96: - coeffs[i] = boost::uint16_t((interpolation==4) ? fir_96_x4_coeffs[i] : hb95_coeffs[i]); + coeffs[i] = boost::uint16_t((decimation==4) ? fir_96_x4_coeffs[i] : hb95_coeffs[i]); break; case 64: - coeffs[i] = boost::uint16_t((interpolation==4) ? fir_64_x4_coeffs[i] : hb63_coeffs[i]); + coeffs[i] = boost::uint16_t((decimation==4) ? fir_64_x4_coeffs[i] : hb63_coeffs[i]); break; case 48: - coeffs[i] = boost::uint16_t((interpolation==4) ? fir_48_x4_coeffs[i] : hb47_coeffs[i]); + coeffs[i] = boost::uint16_t((decimation==4) ? fir_48_x4_coeffs[i] : hb47_coeffs[i]); break; default: throw uhd::runtime_error("[ad9361_device_t] Unsupported number of Rx FIR taps."); @@ -171,11 +174,17 @@ void ad9361_device_t::_setup_rx_fir(size_t num_taps, boost::int32_t interpolatio /* Program the TX FIR Filter. */ void ad9361_device_t::_setup_tx_fir(size_t num_taps, boost::int32_t interpolation) { + if (not (interpolation == 1 or interpolation == 2 or interpolation == 4)) { + throw uhd::runtime_error("[ad9361_device_t] Invalid Tx FIR interpolation."); + } + if (interpolation == 1 and num_t > 64) { + throw uhd::runtime_error("[ad9361_device_t] Too many Tx FIR taps for interpolation value."); + } boost::scoped_array<boost::uint16_t> coeffs(new boost::uint16_t[num_taps]); for (size_t i = 0; i < num_taps; i++) { switch (num_taps) { case 128: - coeffs[i] = boost::uint16_t((interpolation==4) ? fir_128_x4_coeffs[i] : hb127_coeffs[i]); + coeffs[i] = boost::uint16_t((interpolation==4) ? fir_128_x4_coeffs[i] : hb127_coeffs[i]); break; case 96: coeffs[i] = boost::uint16_t((interpolation==4) ? fir_96_x4_coeffs[i] : hb95_coeffs[i]); diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h index fead90424..ca83f3037 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h @@ -74,7 +74,7 @@ public: private: //Methods void _program_fir_filter(direction_t direction, int num_taps, boost::uint16_t *coeffs); void _setup_tx_fir(size_t num_taps, boost::int32_t interpolation); - void _setup_rx_fir(size_t num_taps, boost::int32_t interpolation); + void _setup_rx_fir(size_t num_taps, boost::int32_t decimation); void _calibrate_lock_bbpll(); void _calibrate_synth_charge_pumps(); double _calibrate_baseband_rx_analog_filter(); |