diff options
Diffstat (limited to 'host/lib/usrp')
| -rw-r--r-- | host/lib/usrp/usrp1/dsp_impl.cpp | 24 | ||||
| -rw-r--r-- | host/lib/usrp/usrp1/mboard_impl.cpp | 4 |
2 files changed, 11 insertions, 17 deletions
diff --git a/host/lib/usrp/usrp1/dsp_impl.cpp b/host/lib/usrp/usrp1/dsp_impl.cpp index 1679c0470..66b11b989 100644 --- a/host/lib/usrp/usrp1/dsp_impl.cpp +++ b/host/lib/usrp/usrp1/dsp_impl.cpp @@ -103,11 +103,8 @@ void usrp1_impl::rx_dsp_set(const wax::obj &key_, const wax::obj &val, size_t wh { size_t rate = size_t(_clock_ctrl->get_master_clock_freq() / val.as<double>()); - if ((rate & 0x01) || (rate < 4) || (rate > 256)) { - UHD_MSG(error) << "Decimation must be even and between 4 and 256" - << std::endl; - return; - } + //clip the rate to something in range: + rate = std::min<size_t>(std::max<size_t>(rate, 4), 256); _rx_dsp_decim = rate; //TODO Poll every 100ms. Make it selectable? @@ -166,11 +163,11 @@ void usrp1_impl::tx_dsp_get(const wax::obj &key_, wax::obj &val, size_t which_ds return; case DSP_PROP_CODEC_RATE: - val = _clock_ctrl->get_master_clock_freq() * 2; + val = _clock_ctrl->get_master_clock_freq(); return; case DSP_PROP_HOST_RATE: - val = _clock_ctrl->get_master_clock_freq() * 2 / _tx_dsp_interp; + val = _clock_ctrl->get_master_clock_freq() / _tx_dsp_interp; return; default: UHD_THROW_PROP_GET_ERROR(); @@ -201,21 +198,18 @@ void usrp1_impl::tx_dsp_set(const wax::obj &key_, const wax::obj &val, size_t wh case DSP_PROP_HOST_RATE: if (which_dsp != 0) return; //only for dsp[0] as this is vectorized { - size_t rate = size_t(_clock_ctrl->get_master_clock_freq() * 2 / val.as<double>()); + size_t rate = size_t(_clock_ctrl->get_master_clock_freq() / val.as<double>()); - if ((rate & 0x01) || (rate < 8) || (rate > 512)) { - UHD_MSG(error) << "Interpolation rate must be even and between 8 and 512" - << std::endl; - return; - } + //clip the rate to something in range: + rate = std::min<size_t>(std::max<size_t>(rate, 4), 256); _tx_dsp_interp = rate; //TODO Poll every 100ms. Make it selectable? - _tx_samps_per_poll_interval = size_t(0.1 * _clock_ctrl->get_master_clock_freq() * 2 / rate); + _tx_samps_per_poll_interval = size_t(0.1 * _clock_ctrl->get_master_clock_freq() / rate); bool s = this->disable_tx(); - _iface->poke32(FR_INTERP_RATE, _tx_dsp_interp / 4 - 1); + _iface->poke32(FR_INTERP_RATE, _tx_dsp_interp/2 - 1); this->restore_tx(s); return; } diff --git a/host/lib/usrp/usrp1/mboard_impl.cpp b/host/lib/usrp/usrp1/mboard_impl.cpp index d6f6832a4..e9108e4f1 100644 --- a/host/lib/usrp/usrp1/mboard_impl.cpp +++ b/host/lib/usrp/usrp1/mboard_impl.cpp @@ -214,8 +214,8 @@ void usrp1_impl::mboard_init(void) // Normal mode with no loopback or Rx counting _iface->poke32(FR_MODE, 0x00000000); _iface->poke32(FR_DEBUG_EN, 0x00000000); - _iface->poke32(FR_RX_SAMPLE_RATE_DIV, 0x00000001); - _iface->poke32(FR_TX_SAMPLE_RATE_DIV, 0x00000003); + _iface->poke32(FR_RX_SAMPLE_RATE_DIV, 0x00000001); //divide by 2 + _iface->poke32(FR_TX_SAMPLE_RATE_DIV, 0x00000001); //divide by 2 _iface->poke32(FR_DC_OFFSET_CL_EN, 0x0000000f); // Reset offset correction registers |