X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=usrp%2Fhost%2Flib%2Fdb_wbxng.cc;h=b35a9cb35d75222df2412dacd04c47c3e9308dd6;hb=18578e234cf0566ed6196f6dff3920a12a3e2479;hp=2f30ce1d5638d8f55983294161e6035f773080b6;hpb=e23bf51df863eb0f9a02e6ca6d4fcd45c847a4d5;p=debian%2Fgnuradio diff --git a/usrp/host/lib/db_wbxng.cc b/usrp/host/lib/db_wbxng.cc index 2f30ce1d..b35a9cb3 100644 --- a/usrp/host/lib/db_wbxng.cc +++ b/usrp/host/lib/db_wbxng.cc @@ -31,8 +31,10 @@ // Tx and Rx have shared defs, but different i/o regs #define ENABLE_5 (1 << 7) // enables 5.0V power supply #define ENABLE_33 (1 << 6) // enables 3.3V supply -#define RX_TXN (1 << 5) // Tx only: T/R antenna switch for TX/RX port -#define RX2_RX1N (1 << 5) // Rx only: antenna switch between RX2 and TX/RX port +//#define RX_TXN (1 << 15) // Tx only: T/R antenna switch for TX/RX port +//#define RX2_RX1N (1 << 15) // Rx only: antenna switch between RX2 and TX/RX port +#define RX_TXN ((1 << 5)|(1 << 15)) // Tx only: T/R antenna switch for TX/RX port +#define RX2_RX1N ((1 << 5)|(1 << 15)) // Rx only: antenna switch between RX2 and TX/RX port #define RXBB_EN (1 << 4) #define TXMOD_EN (1 << 4) #define PLL_CE (1 << 3) @@ -89,8 +91,8 @@ wbxng_base::set_freq(double freq) t.tv_nsec = 10000000; nanosleep(&t, NULL); - fprintf(stderr,"Setting WBXNG frequency, requested %d, obtained %f, lock_detect %d\n", - int_freq, freq_result, d_common->_get_locked()); + //fprintf(stderr,"Setting WBXNG frequency, requested %d, obtained %f, lock_detect %d\n", + // int_freq, freq_result, d_common->_get_locked()); // FIXME // Offsetting the LO helps get the Tx carrier leakage out of the way. @@ -165,7 +167,7 @@ wbxng_base_tx::wbxng_base_tx(usrp_basic_sptr _usrp, int which, int _power_on) //set_lo_offset(4e6); // Disable VCO/PLL - d_common->_enable(false); + d_common->_enable(true); set_gain((gain_min() + gain_max()) / 2.0); // initialize gain } @@ -229,12 +231,12 @@ wbxng_base_tx::set_enable(bool on) if(on) { v = TXMOD_EN; // Enable VCO/PLL - d_common->_enable(true); + //d_common->_enable(true); } else { v = RX_TXN; // Disable VCO/PLL - d_common->_enable(false); + //d_common->_enable(false); } return usrp()->write_io(d_which, v, mask); } @@ -242,19 +244,19 @@ wbxng_base_tx::set_enable(bool on) float wbxng_base_tx::gain_min() { - return usrp()->pga_max(); + return 0.0; } float wbxng_base_tx::gain_max() { - return usrp()->pga_max() + 25.0; + return 25.0; } float wbxng_base_tx::gain_db_per_step() { - return 1; + return gain_max()/(1+(1.4-0.5)*4096/3.3); } bool @@ -273,28 +275,22 @@ wbxng_base_tx::set_gain(float gain) float pga_gain, agc_gain; float V_maxgain, V_mingain, V_fullscale, dac_value; - float maxgain = gain_max() - usrp()->pga_max(); + float maxgain = gain_max(); float mingain = gain_min(); - if(gain > maxgain) { - pga_gain = gain-maxgain; - assert(pga_gain <= usrp()->pga_max()); - agc_gain = maxgain; - } - else { - pga_gain = 0; - agc_gain = gain; - } + pga_gain = 0; + agc_gain = gain; - V_maxgain = 0.7; + V_maxgain = 0.5; V_mingain = 1.4; V_fullscale = 3.3; dac_value = (agc_gain*(V_maxgain-V_mingain)/(maxgain-mingain) + V_mingain)*4096/V_fullscale; - fprintf(stderr, "TXGAIN: %f dB, Dac Code: %d, Voltage: %f\n", gain, int(dac_value), float((dac_value/4096.0)*V_fullscale)); + //fprintf(stderr, "TXGAIN: %f dB, Dac Code: %d, Voltage: %f\n", gain, int(dac_value), float((dac_value/4096.0)*V_fullscale)); assert(dac_value>=0 && dac_value<4096); return (usrp()->write_aux_dac(d_which, 0, int(dac_value)) - && _set_pga(int(pga_gain))); + && _set_pga(usrp()->pga_max())); + } @@ -323,7 +319,7 @@ wbxng_base_rx::wbxng_base_rx(usrp_basic_sptr _usrp, int which, int _power_on) usrp()->_write_oe(d_which, (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5)); usrp()->write_io(d_which, (power_on()|RX2_RX1N|RXBB_EN|ENABLE_33|ENABLE_5), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5)); - fprintf(stderr,"Setting WBXNG RXBB on"); + //fprintf(stderr,"Setting WBXNG RXBB on"); // set up for RX on TX/RX port select_rx_antenna("TX/RX"); @@ -349,9 +345,6 @@ wbxng_base_rx::shutdown() d_is_shutdown = true; // do whatever there is to do to shutdown - // Power down - usrp()->common_write_io(C_RX, d_which, power_off(), (ENABLE_33|ENABLE_5)); - // Power down VCO/PLL d_common->_enable(false); @@ -364,6 +357,9 @@ wbxng_base_rx::shutdown() // fprintf(stderr, "wbxng_base_rx::shutdown before set_auto_tr\n"); set_auto_tr(false); + // Power down + usrp()->write_io(d_which, power_off(), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5)); + // fprintf(stderr, "wbxng_base_rx::shutdown after set_auto_tr\n"); } } @@ -462,7 +458,7 @@ wbxng_base_rx::_set_attn(float attn) { int attn_code = int(floor(attn/0.5)); unsigned int iobits = (~attn_code) << ATTN_SHIFT; - fprintf(stderr, "Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x \n", attn, attn_code, iobits & ATTN_MASK, ATTN_MASK); + //fprintf(stderr, "Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x \n", attn, attn_code, iobits & ATTN_MASK, ATTN_MASK); return usrp()->write_io(d_which, iobits, ATTN_MASK); }