UHD host code changes for B200 rev 5 support.

2 files changed, 26 insertions, 13 deletions

diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
index e567ff434..cea7e5969 100644
--- a/host/lib/usrp/b200/b200_impl.cpp
+++ b/host/lib/usrp/b200/b200_impl.cpp
@@ -43,10 +43,6 @@ using namespace uhd::transport;
 
 static const boost::posix_time::milliseconds REENUMERATION_TIMEOUT_MS(3000);
 
-//! mapping of frontend to radio perif index
-static const size_t FE1 = 1;
-static const size_t FE2 = 0;
-
 class b200_ad9361_client_t : public ad9361_params {
 public:
     ~b200_ad9361_client_t() {}
@@ -264,6 +260,19 @@ b200_impl::b200_impl(const device_addr_t &device_addr) :
         UHD_ASSERT_THROW(device_addr.has_key("fpga"));
     }
 
+    //set up frontend mapping
+    _fe1 = 1;
+    _fe2 = 0;
+    if (not mb_eeprom["revision"].empty())
+    {
+        size_t rev = boost::lexical_cast<size_t>(mb_eeprom["revision"]);
+        if (rev == 5)
+        {
+            _fe1 = 0;
+            _fe2 = 1;
+        }
+    }
+
     //extract the FPGA path for the B200
     std::string b200_fpga_image = find_image_path(
         device_addr.has_key("fpga")? device_addr["fpga"] : default_file_name
@@ -628,7 +637,7 @@ void b200_impl::setup_radio(const size_t dspno)
     for(size_t direction = 0; direction < 2; direction++)
     {
         const std::string x = direction? "rx" : "tx";
-        const std::string key = std::string((direction? "RX" : "TX")) + std::string(((dspno == FE1)? "1" : "2"));
+        const std::string key = std::string((direction? "RX" : "TX")) + std::string(((dspno == _fe1)? "1" : "2"));
         const fs_path rf_fe_path = mb_path / "dboards" / "A" / (x+"_frontends") / (dspno? "B" : "A");
 
         _tree->create<std::string>(rf_fe_path / "name").set("FE-"+key);
@@ -924,9 +933,9 @@ void b200_impl::reset_codec_dcm(void)
 
 void b200_impl::update_atrs(void)
 {
-    if (_radio_perifs.size() > FE1 and _radio_perifs[FE1].atr)
+    if (_radio_perifs.size() > _fe1 and _radio_perifs[_fe1].atr)
     {
-        radio_perifs_t &perif = _radio_perifs[FE1];
+        radio_perifs_t &perif = _radio_perifs[_fe1];
         const bool enb_rx = bool(perif.rx_streamer.lock());
         const bool enb_tx = bool(perif.tx_streamer.lock());
         const bool is_rx2 = perif.ant_rx2;
@@ -942,9 +951,9 @@ void b200_impl::update_atrs(void)
         atr->set_atr_reg(dboard_iface::ATR_REG_TX_ONLY, txonly);
         atr->set_atr_reg(dboard_iface::ATR_REG_FULL_DUPLEX, fd);
     }
-    if (_radio_perifs.size() > FE2 and _radio_perifs[FE2].atr)
+    if (_radio_perifs.size() > _fe2 and _radio_perifs[_fe2].atr)
     {
-        radio_perifs_t &perif = _radio_perifs[FE2];
+        radio_perifs_t &perif = _radio_perifs[_fe2];
         const bool enb_rx = bool(perif.rx_streamer.lock());
         const bool enb_tx = bool(perif.tx_streamer.lock());
         const bool is_rx2 = perif.ant_rx2;
@@ -972,10 +981,10 @@ void b200_impl::update_antenna_sel(const size_t which, const std::string &ant)
 void b200_impl::update_enables(void)
 {
     //extract settings from state variables
-    const bool enb_tx1 = (_radio_perifs.size() > FE1) and bool(_radio_perifs[FE1].tx_streamer.lock());
-    const bool enb_rx1 = (_radio_perifs.size() > FE1) and bool(_radio_perifs[FE1].rx_streamer.lock());
-    const bool enb_tx2 = (_radio_perifs.size() > FE2) and bool(_radio_perifs[FE2].tx_streamer.lock());
-    const bool enb_rx2 = (_radio_perifs.size() > FE2) and bool(_radio_perifs[FE2].rx_streamer.lock());
+    const bool enb_tx1 = (_radio_perifs.size() > _fe1) and bool(_radio_perifs[_fe1].tx_streamer.lock());
+    const bool enb_rx1 = (_radio_perifs.size() > _fe1) and bool(_radio_perifs[_fe1].rx_streamer.lock());
+    const bool enb_tx2 = (_radio_perifs.size() > _fe2) and bool(_radio_perifs[_fe2].tx_streamer.lock());
+    const bool enb_rx2 = (_radio_perifs.size() > _fe2) and bool(_radio_perifs[_fe2].rx_streamer.lock());
     const size_t num_rx = (enb_rx1?1:0) + (enb_rx2?1:0);
     const size_t num_tx = (enb_tx1?1:0) + (enb_tx2?1:0);
     const bool mimo = num_rx == 2 or num_tx == 2;
diff --git a/host/lib/usrp/b200/b200_impl.hpp b/host/lib/usrp/b200/b200_impl.hpp
index 396819f9a..e871e6b9a 100644
--- a/host/lib/usrp/b200/b200_impl.hpp
+++ b/host/lib/usrp/b200/b200_impl.hpp
@@ -119,6 +119,10 @@ private:
 
     boost::mutex _transport_setup_mutex;
 
+    // mapping of frontend to radio perif index
+    size_t _fe1;
+    size_t _fe2;
+
     //async ctrl + msgs
     uhd::msg_task::sptr _async_task;
     typedef uhd::transport::bounded_buffer<uhd::async_metadata_t> async_md_type;