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| author | Thomas Tsou <ttsou@vt.edu> | 2010-08-27 23:16:43 -0700 |
|---|---|---|
| committer | Thomas Tsou <ttsou@vt.edu> | 2010-08-27 23:16:43 -0700 |
| commit | 2c85b17215fbe5fd2f80a8c6d0c47504a631c09b (patch) | |
| tree | b7c40f9bab7c1806859b7ed16608571dc700359d | |
| parent | 7d7479ad0569337910f01b77df9bd8e3d385f8a5 (diff) | |
| download | uhd-2c85b17215fbe5fd2f80a8c6d0c47504a631c09b.tar.gz uhd-2c85b17215fbe5fd2f80a8c6d0c47504a631c09b.tar.bz2 uhd-2c85b17215fbe5fd2f80a8c6d0c47504a631c09b.zip | |
usrp1: Read capabilities register
| -rw-r--r-- | host/lib/usrp/usrp1/mboard_impl.cpp | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp1/mboard_impl.cpp b/host/lib/usrp/usrp1/mboard_impl.cpp index 0b1335acf..75129c32f 100644 --- a/host/lib/usrp/usrp1/mboard_impl.cpp +++ b/host/lib/usrp/usrp1/mboard_impl.cpp @@ -160,6 +160,35 @@ static boost::uint32_t calc_tx_mux( return ((channel_flags & 0xffff) << 4) | ((nchan & 0x7) << 0); } +/*! + * Capabilities Register + * + * 3 2 1 0 + * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 + * +-----------------------------------------------+-+-----+-+-----+ + * | Reserved |T|DUCs |R|DDCs | + * +-----------------------------------------------+-+-----+-+-----+ + */ +static int num_ddcs(boost::uint32_t regval) +{ + return (regval >> 0) & 0x0007; +} + +static int num_ducs(boost::uint32_t regval) +{ + return (regval >> 4) & 0x0007; +} + +static bool has_rx_halfband(boost::uint32_t regval) +{ + return (regval >> 3) & 0x0001; +} + +static bool has_tx_halfband(boost::uint32_t regval) +{ + return (regval >> 7) & 0x0001; +} + /*********************************************************************** * Mboard Initialization **********************************************************************/ @@ -187,6 +216,17 @@ void usrp1_impl::mboard_init(void) // Set default for TX format to 16-bit I&Q _iface->poke32(FR_TX_FORMAT, 0x00000000); + + // TODO TODO TODO TODO TODO TODO TODO TODO TODO TODO + // + // Do something useful with the capabilities register + // + boost::uint32_t regval = _iface->peek32(FR_RB_CAPS); + std::cout << "USRP1 Capabilities" << std::endl; + std::cout << " number of duc's: " << num_ddcs(regval) << std::endl; + std::cout << " number of ddc's: " << num_ducs(regval) << std::endl; + std::cout << " rx halfband: " << has_rx_halfband(regval) << std::endl; + std::cout << " tx halfband: " << has_tx_halfband(regval) << std::endl; } void usrp1_impl::issue_stream_cmd(const stream_cmd_t &stream_cmd) |