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| author | Ian Buckley <github@ionconcepts.com> | 2015-02-09 14:17:31 -0800 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2015-02-17 11:07:22 +0100 |
| commit | acfac7385c6130df54c60aa5c31bee6d06fa3f6a (patch) | |
| tree | dbfec488415ea809b5fd582cc0f1330b82e3281e /host/lib | |
| parent | e9d11b35153c30eb19c067d96e9f3472d957c52f (diff) | |
| download | uhd-acfac7385c6130df54c60aa5c31bee6d06fa3f6a.tar.gz uhd-acfac7385c6130df54c60aa5c31bee6d06fa3f6a.tar.bz2 uhd-acfac7385c6130df54c60aa5c31bee6d06fa3f6a.zip | |
b200: Revised configuration of AD9361 for master_clock_rates >56e6MHz. Issues #649 & #691
Diffstat (limited to 'host/lib')
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp index d3e53c80f..7268aff2d 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp @@ -1049,7 +1049,7 @@ double ad9361_device_t::_tune_bbvco(const double rate) const double vcomin = 672e6; double vcorate; int vcodiv; - + /* Iterate over VCO dividers until appropriate divider is found. */ int i = 1; for (; i <= 6; i++) { @@ -1306,7 +1306,7 @@ double ad9361_device_t::_setup_rates(const double rate) divfactor = 16; _tfir_factor = 2; _rfir_factor = 2; - } else if ((rate >= 41e6) && (rate <= 56e6)) { + } else if ((rate >= 41e6) && (rate <= 58e6)) { // RX1 + RX2 enabled, 3, 1, 2, 2 _regs.rxfilt = B8(11100110); @@ -1316,15 +1316,15 @@ double ad9361_device_t::_setup_rates(const double rate) divfactor = 12; _tfir_factor = 2; _rfir_factor = 2; - } else if ((rate > 56e6) && (rate <= 61.44e6)) { - // RX1 + RX2 enabled, 3, 1, 1, 2 - _regs.rxfilt = B8(11100010); + } else if ((rate > 58e6) && (rate <= 61.44e6)) { + // RX1 + RX2 enabled, 2, 1, 2, 2 + _regs.rxfilt = B8(11010110); - // TX1 + TX2 enabled, 3, 1, 1, 1 - _regs.txfilt = B8(11100001); + // TX1 + TX2 enabled, 2, 1, 1, 2 + _regs.txfilt = B8(11010010); - divfactor = 6; - _tfir_factor = 1; + divfactor = 8; + _tfir_factor = 2; _rfir_factor = 2; } else { // should never get in here @@ -1340,7 +1340,7 @@ double ad9361_device_t::_setup_rates(const double rate) /* The DAC clock must be <= 336e6, and is either the ADC clock or 1/2 the * ADC clock.*/ if (adcclk > 336e6) { - /* Make the DAC clock = ADC/2, and bypass the TXFIR. */ + /* Make the DAC clock = ADC/2 */ _regs.bbpll = _regs.bbpll | 0x08; dacclk = adcclk / 2.0; } else { |