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| author | Josh Blum | 2009-08-20 16:20:31 -0700 |
|---|---|---|
| committer | Josh Blum | 2009-08-20 16:20:31 -0700 |
| commit | 91f18267cd90fdeaea0a5f57543fa149019b251a (patch) | |
| tree | b66eabb998e89fd48476d05127af5fc47f0c5994 /vrt/lib/quadradio.cc | |
| parent | 82d6410198b91eb21ccac9fe2aae66690956e584 (diff) | |
| download | gnuradio-91f18267cd90fdeaea0a5f57543fa149019b251a.tar.gz gnuradio-91f18267cd90fdeaea0a5f57543fa149019b251a.tar.bz2 gnuradio-91f18267cd90fdeaea0a5f57543fa149019b251a.zip | |
added get band select
Diffstat (limited to 'vrt/lib/quadradio.cc')
| -rw-r--r-- | vrt/lib/quadradio.cc | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/vrt/lib/quadradio.cc b/vrt/lib/quadradio.cc index ab5de89b8..d4b466b21 100644 --- a/vrt/lib/quadradio.cc +++ b/vrt/lib/quadradio.cc @@ -51,7 +51,7 @@ send_and_check(int fd, void *buf, size_t len) vrt::quadradio::quadradio(const std::string &ip, size_t rx_bufsize) : d_ctrl_fd(0), d_data_fd(0), d_data_port(0), - d_band_select(0), d_rx_antenna(0), d_attenuation0(0), d_attenuation1(0)//d_10dB_atten(true) + d_band_select("A"), d_rx_antenna(0), d_attenuation0(0), d_attenuation1(0)//d_10dB_atten(true) { if (!open(ip.c_str())) throw std::runtime_error("vrt::quadradio: failed to open " + ip + "\n"); @@ -98,11 +98,7 @@ vrt::quadradio::set_center_freq(double target_freq){ bool vrt::quadradio::set_band_select(const std::string &band){ - if (band == "A") d_band_select = 3; - else if (band == "B") d_band_select = 2; - else if (band == "C") d_band_select = 1; - else if (band == "D") d_band_select = 0; - else return false; + d_band_select = band; update_dboard_pins(); return true; } @@ -149,11 +145,18 @@ static int reverse_bits(int input, int len){ void vrt::quadradio::update_dboard_pins(void){ + //convert the band ID to bits + int band_select; + if (d_band_select == "A") band_select = 3; + else if (d_band_select == "B") band_select = 2; + else if (d_band_select == "C") band_select = 1; + else if (d_band_select == "D") band_select = 0; + //calculate the control bits int db_ctrl = \ - ((reverse_bits(d_attenuation0, 5) & 0x1f) << 10) | \ + ((reverse_bits(d_attenuation0, 5) & 0x1f) << 10) | \ ((reverse_bits(~d_attenuation1, 5) & 0x1f) << 03) | \ - ((d_band_select & 0x03) << 01) | \ - ((d_rx_antenna & 0x01) << 00); + ((band_select & 0x03) << 01) | \ + ((d_rx_antenna & 0x01) << 00); set_dboard_pins(ALL_DBOARDS, db_ctrl); // FIXME sets them all } |