From e8a7fe9e0b31f7d90f2a174744c8601739fed549 Mon Sep 17 00:00:00 2001
From: Jason Abele <jason@ettus.com>
Date: Thu, 16 Jun 2011 18:47:37 -0700
Subject: WBX: Add support for WBX v3 daughterboards
---
host/lib/usrp/dboard/db_wbx_common.cpp | 97 +++++++++++++++++++++++++++++-----
host/lib/usrp/dboard/db_wbx_common.hpp | 6 +++
host/lib/usrp/dboard/db_wbx_simple.cpp | 2 +
3 files changed, 91 insertions(+), 14 deletions(-)
(limited to 'host/lib/usrp/dboard')
diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp
index a1b1437a2..1a016e89c 100644
--- a/host/lib/usrp/dboard/db_wbx_common.cpp
+++ b/host/lib/usrp/dboard/db_wbx_common.cpp
@@ -35,6 +35,14 @@
#define RX_ATTN_SHIFT 8 // lsb of RX Attenuator Control
#define RX_ATTN_MASK (63 << RX_ATTN_SHIFT) // valid bits of RX Attenuator Control
+// TX Attenuator Pins (v3 only)
+#define TX_ATTN_16 (1 << 14)
+#define TX_ATTN_8 (1 << 5)
+#define TX_ATTN_4 (1 << 4)
+#define TX_ATTN_2 (1 << 3)
+#define TX_ATTN_1 (1 << 1)
+#define TX_ATTN_MASK (TX_ATTN_16|TX_ATTN_8|TX_ATTN_4|TX_ATTN_2|TX_ATTN_1) // valid bits of TX Attenuator Control
+
// Mixer functions
#define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF)
#define TX_MIXER_DIS 0
@@ -43,7 +51,7 @@
#define RX_MIXER_DIS 0
// Power functions
-#define TX_POWER_UP (TX_PUP_5V|TX_PUP_3V|ADF4350_CE) // high enables power supply
+#define TX_POWER_UP (TX_PUP_5V|TX_PUP_3V) // high enables power supply
#define TX_POWER_DOWN 0
#define RX_POWER_UP (RX_PUP_5V|RX_PUP_3V|ADF4350_CE) // high enables power supply
@@ -75,6 +83,10 @@ static const uhd::dict<std::string, gain_range_t> wbx_tx_gain_ranges = map_list_
("PGA0", gain_range_t(0, 25, 0.05))
;
+static const uhd::dict<std::string, gain_range_t> wbx_v3_tx_gain_ranges = map_list_of
+ ("PGA0", gain_range_t(0, 31, 1.0))
+;
+
static const uhd::dict<std::string, gain_range_t> wbx_rx_gain_ranges = map_list_of
("PGA0", gain_range_t(0, 31.5, 0.5))
;
@@ -88,10 +100,13 @@ wbx_base::wbx_base(ctor_args_t args) : xcvr_dboard_base(args){
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
+ //v3 has different io bits for attenuator control
+ int v3_iobits = is_v3() ? TX_ATTN_MASK : ADF4350_CE;
+
//set the gpio directions and atr controls
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXMOD_EN|ADF4350_PDBRF);
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXBB_PDB|ADF4350_PDBRF);
- this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TX_PUP_5V|TX_PUP_3V|ADF4350_CE|TXMOD_EN|ADF4350_PDBRF);
+ this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TX_PUP_5V|TX_PUP_3V|TXMOD_EN|ADF4350_PDBRF|v3_iobits);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RX_PUP_5V|RX_PUP_3V|ADF4350_CE|RXBB_PDB|ADF4350_PDBRF|RX_ATTN_MASK);
//setup ATR for the mixer enables (always enabled to prevent phase slip between bursts)
@@ -106,9 +121,17 @@ wbx_base::wbx_base(ctor_args_t args) : xcvr_dboard_base(args){
this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
//set some default values
- BOOST_FOREACH(const std::string &name, wbx_tx_gain_ranges.keys()){
- set_tx_gain(wbx_tx_gain_ranges[name].start(), name);
+ if (is_v3()) {
+ BOOST_FOREACH(const std::string &name, wbx_v3_tx_gain_ranges.keys()){
+ set_tx_gain(wbx_v3_tx_gain_ranges[name].start(), name);
+ }
+ }
+ else {
+ BOOST_FOREACH(const std::string &name, wbx_tx_gain_ranges.keys()){
+ set_tx_gain(wbx_tx_gain_ranges[name].start(), name);
+ }
}
+
BOOST_FOREACH(const std::string &name, wbx_rx_gain_ranges.keys()){
set_rx_gain(wbx_rx_gain_ranges[name].start(), name);
}
@@ -131,7 +154,7 @@ void wbx_base::set_rx_enabled(bool enb){
void wbx_base::set_tx_enabled(bool enb){
this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX,
- (enb)? TX_POWER_UP : TX_POWER_DOWN, TX_POWER_UP | TX_POWER_DOWN
+ (enb)? TX_POWER_UP | ADF4350_CE : TX_POWER_DOWN, TX_POWER_UP | TX_POWER_DOWN | (is_v3() ? 0 : ADF4350_CE)
);
}
@@ -150,7 +173,7 @@ static int rx_pga0_gain_to_iobits(double &gain){
int iobits = ((~attn_code) << RX_ATTN_SHIFT) & RX_ATTN_MASK;
UHD_LOGV(often) << boost::format(
- "WBX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x"
+ "WBX RX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x"
) % attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl;
//the actual gain setting
@@ -159,6 +182,35 @@ static int rx_pga0_gain_to_iobits(double &gain){
return iobits;
}
+//v3 TX gains
+static int tx_pga0_gain_to_iobits(double &gain){
+ //clip the input
+ gain = wbx_v3_tx_gain_ranges["PGA0"].clip(gain);
+
+ //convert to attenuation
+ double attn = wbx_v3_tx_gain_ranges["PGA0"].stop() - gain;
+
+ //calculate the attenuation
+ int attn_code = boost::math::iround(attn*2);
+ int iobits = (
+ (attn_code & 16 ? 0 : TX_ATTN_16) |
+ (attn_code & 8 ? 0 : TX_ATTN_8) |
+ (attn_code & 4 ? 0 : TX_ATTN_4) |
+ (attn_code & 2 ? 0 : TX_ATTN_2) |
+ (attn_code & 1 ? 0 : TX_ATTN_1)
+ ) & TX_ATTN_MASK;
+
+ UHD_LOGV(often) << boost::format(
+ "WBX TX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x"
+ ) % attn % attn_code % (iobits & TX_ATTN_MASK) % TX_ATTN_MASK << std::endl;
+
+ //the actual gain setting
+ gain = wbx_v3_tx_gain_ranges["PGA0"].stop() - double(attn_code)/2;
+
+ return iobits;
+}
+
+//Pre v3 TX gains
static double tx_pga0_gain_to_dac_volts(double &gain){
//clip the input
gain = wbx_tx_gain_ranges["PGA0"].clip(gain);
@@ -181,15 +233,28 @@ static double tx_pga0_gain_to_dac_volts(double &gain){
}
void wbx_base::set_tx_gain(double gain, const std::string &name){
- assert_has(wbx_tx_gain_ranges.keys(), name, "wbx tx gain name");
- if(name == "PGA0"){
- double dac_volts = tx_pga0_gain_to_dac_volts(gain);
- _tx_gains[name] = gain;
-
- //write the new voltage to the aux dac
- this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
+ if (is_v3()) {
+ assert_has(wbx_v3_tx_gain_ranges.keys(), name, "wbx tx gain name");
+ if(name == "PGA0"){
+ double dac_volts = tx_pga0_gain_to_iobits(gain);
+ _tx_gains[name] = gain;
+
+ //write the new voltage to the aux dac
+ this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
+ }
+ else UHD_THROW_INVALID_CODE_PATH();
+ }
+ else {
+ assert_has(wbx_tx_gain_ranges.keys(), name, "wbx tx gain name");
+ if(name == "PGA0"){
+ double dac_volts = tx_pga0_gain_to_dac_volts(gain);
+ _tx_gains[name] = gain;
+
+ //write the new voltage to the aux dac
+ this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
+ }
+ else UHD_THROW_INVALID_CODE_PATH();
}
- else UHD_THROW_INVALID_CODE_PATH();
}
void wbx_base::set_rx_gain(double gain, const std::string &name){
@@ -381,6 +446,10 @@ bool wbx_base::get_locked(dboard_iface::unit_t unit){
return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0;
}
+bool wbx_base::is_v3(void){
+ return get_rx_id() == 0x057;
+}
+
/***********************************************************************
* RX Get and Set
**********************************************************************/
diff --git a/host/lib/usrp/dboard/db_wbx_common.hpp b/host/lib/usrp/dboard/db_wbx_common.hpp
index 07e84a565..5d33ddce9 100644
--- a/host/lib/usrp/dboard/db_wbx_common.hpp
+++ b/host/lib/usrp/dboard/db_wbx_common.hpp
@@ -62,6 +62,12 @@ protected:
*/
virtual bool get_locked(dboard_iface::unit_t unit);
+ /*!
+ * Detect if this a v3 WBX
+ * \return true for locked
+ */
+ virtual bool is_v3(void);
+
private:
uhd::dict<std::string, double> _tx_gains, _rx_gains;
bool _rx_enabled, _tx_enabled;
diff --git a/host/lib/usrp/dboard/db_wbx_simple.cpp b/host/lib/usrp/dboard/db_wbx_simple.cpp
index 82405135e..602ce389d 100644
--- a/host/lib/usrp/dboard/db_wbx_simple.cpp
+++ b/host/lib/usrp/dboard/db_wbx_simple.cpp
@@ -76,6 +76,8 @@ static dboard_base::sptr make_wbx_simple(dboard_base::ctor_args_t args){
UHD_STATIC_BLOCK(reg_wbx_simple_dboards){
dboard_manager::register_dboard(0x0053, 0x0052, &make_wbx_simple, "WBX");
dboard_manager::register_dboard(0x0053, 0x004f, &make_wbx_simple, "WBX + Simple GDB");
+ dboard_manager::register_dboard(0x0057, 0x0056, &make_wbx_simple, "WBX v3");
+ dboard_manager::register_dboard(0x0057, 0x004f, &make_wbx_simple, "WBX v3 + Simple GDB");
}
/***********************************************************************
--
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