add patch uhd for lib 4.6.0.0, propose a new way to patch uhd file to factorize code lines

cmake_targets/tools/build_helper

@@ -261,15 +261,20 @@ install_usrp_uhd_driver_from_source(){
     # For our legacy TDD eNB running with a B2xx RF board
     # the following patch has to be applied
     if [[ -v UHD_VERSION ]]; then
-        git checkout tags/v${UHD_VERSION}
+        UHD_TAG=${UHD_VERSION}
+    else
+        UHD_TAG="4.0.0.0"
+    fi
+    git checkout tags/v${UHD_TAG}
     # We recommend to use not older than 3.15.0.0
-        if [[ "$UHD_VERSION" == "3.15.0.0" ]]; then
+    UHD_VERSION_MAJOR_MINOR=$(echo ${UHD_TAG} | awk -F'.' '{print $1"."$2}')
+    UHD_VERSION_MAJOR=$(echo ${UHD_TAG} | awk -F'.' '{print $1"."}')
+    file_to_apply=$(find $OPENAIR_DIR/cmake_targets/tools/ -name uhd-${UHD_VERSION_MAJOR_MINOR}* | head -n 1)
+    [ -z "${file_to_apply}"  ] && file_to_apply=$(find $OPENAIR_DIR/cmake_targets/tools/ -name uhd-${UHD_VERSION_MAJOR}* | head -n 1)
+    if [ ! -z "${file_to_apply}"  ]
+    then
         # Tested that patch for the following versions:
         # - 3.15.0.0
-            git apply $OPENAIR_DIR/cmake_targets/tools/uhd-3.15-tdd-patch.diff
-            ret=$?;[[ $ret -ne 0 ]] && echo_fatal "Could not apply the TDD patch"
-        else
-            # Tested that patch for the following versions:
         # - 4.0.0.0
         # - 4.1.0.0
         # - 4.1.0.5
@@ -277,13 +282,12 @@ install_usrp_uhd_driver_from_source(){
         # - 4.2.0.1
         # - 4.3.0.0-rc1
         # - 4.4.0.0
-            git apply $OPENAIR_DIR/cmake_targets/tools/uhd-4.x-tdd-patch.diff
-            ret=$?;[[ $ret -ne 0 ]] && echo_fatal "Could not apply the TDD patch"
-        fi
-    else
-        git checkout tags/v4.0.0.0
-        git apply $OPENAIR_DIR/cmake_targets/tools/uhd-4.x-tdd-patch.diff
-        ret=$?;[[ $ret -ne 0 ]] && echo_fatal "Could not apply the TDD patch"
+        set +e
+        git apply --check ${file_to_apply}
+        ret=$?;
+        set -e
+        [[ $ret -ne 0 ]] && echo_fatal "Could not apply the TDD patch ${file_to_apply}"
+        [ $ret -eq 0 ] && git apply ${file_to_apply}
     fi
     # Printing out the results of the patch to make sure it was properly applied
     git diff

cmake_targets/tools/uhd-4.6-tdd-patch.diff

+diff --git a/host/lib/usrp/b200/b200_impl.cpp b/host/lib/usrp/b200/b200_impl.cpp
+index 656aaeae1..2d0a7b87d 100644
+--- a/host/lib/usrp/b200/b200_impl.cpp
++++ b/host/lib/usrp/b200/b200_impl.cpp
+@@ -1410,10 +1410,10 @@ void b200_impl::update_atrs(void)
+         if (not enb_rx and enb_tx)
+             fd = txonly;
+         gpio_atr_3000::sptr atr = perif.atr;
+-        atr->set_atr_reg(ATR_REG_IDLE, STATE_RX1_OFF);
+-        atr->set_atr_reg(ATR_REG_RX_ONLY, rxonly);
+-        atr->set_atr_reg(ATR_REG_TX_ONLY, txonly);
+-        atr->set_atr_reg(ATR_REG_FULL_DUPLEX, fd);
++        atr->set_atr_reg(ATR_REG_IDLE, STATE_RX1_OFF | (1<<7));
++        atr->set_atr_reg(ATR_REG_RX_ONLY, rxonly | (1<<7));
++        atr->set_atr_reg(ATR_REG_TX_ONLY, txonly | (1<<7));
++        atr->set_atr_reg(ATR_REG_FULL_DUPLEX, fd | (1<<7));
+     }
+     if (_radio_perifs.size() > _fe2 and _radio_perifs[_fe2].atr) {
+         radio_perifs_t& perif = _radio_perifs[_fe2];
+@@ -1431,10 +1431,10 @@ void b200_impl::update_atrs(void)
+         if (not enb_rx and enb_tx)
+             fd = txonly;
+         gpio_atr_3000::sptr atr = perif.atr;
+-        atr->set_atr_reg(ATR_REG_IDLE, STATE_RX2_OFF);
+-        atr->set_atr_reg(ATR_REG_RX_ONLY, rxonly);
+-        atr->set_atr_reg(ATR_REG_TX_ONLY, txonly);
+-        atr->set_atr_reg(ATR_REG_FULL_DUPLEX, fd);
++        atr->set_atr_reg(ATR_REG_IDLE, STATE_RX2_OFF | (1<<7));
++        atr->set_atr_reg(ATR_REG_RX_ONLY, rxonly | (1<<7));
++        atr->set_atr_reg(ATR_REG_TX_ONLY, txonly | (1<<7));
++        atr->set_atr_reg(ATR_REG_FULL_DUPLEX, fd | (1<<7));
+     }
+ }
+