Merge pull request #51 from mckeehan/feature/rtl-sdr-v4

Feature/rtl sdr v4

overlay/etc/skel/.conkyrc

@@ -36,6 +36,7 @@ ${font DejaVu Sans Mono:size=11}${color yellow}Radio: ${execpi 10 et-system-info
 CAT  : ${execpi 10 et-system-info et-cat}
 GPS  : ${execpi 10 et-system-info et-gps}
 Audio: ${execpi 10 et-system-info et-audio}
+${if_existing /dev/et-sdr}SDR  : ${execpi 10 et-system-info et-sdr}${endif}
 
 ${font DejaVu Sans:bold:size=10}${color #8d5133}${alignc}OPERATOR
 ${font DejaVu Sans Mono:size=11}${color yellow}Callsign: ${execpi 10 et-system-info callsign}

overlay/etc/udev/rules.d/99-et-sdr.rules

@@ -13,3 +13,5 @@
 
 KERNEL=="swradio0", \
    GROUP="dialout", MODE="0660", SYMLINK+="et-sdr"
+
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0bda", ATTRS{idProduct}=="2838", GROUP="dialout", MODE="0660", SYMLINK+="et-sdr"

overlay/opt/emcomm-tools/bin/et-system-info

@@ -15,6 +15,7 @@ function usage() {
   echo "  et-gps        - Show state of GPS interface"
   echo "  et-time       - Show if time is synched via GPS"
   echo "  et-mode       - Show current mode"
+  echo "  et-sdr        - Show state of SDR interface"
   echo "  grid          - Current grid square defined by user"
   echo "  ip            - System IP address"
   echo "  release       - EmComm Tools release"
@@ -127,6 +128,15 @@ case $1 in
     fi
 
     ;; 
+  et-sdr)
+    # 1. Check if the symlink was created by the udev rules
+    if [ -e /dev/et-sdr ]; then 
+        echo "Connected"; 
+    else
+      echo "Not connected";
+    fi
+
+    ;;
   et-gps)
 
     # 1. Check if the symlink was created by the udev rules

scripts/install-sdr-tools.sh

@@ -6,7 +6,54 @@
 set -e
 
 et-log "Installing SDR tools..."
-apt install \
+. ./env.sh
-  rtl-sdr \
+
-  librtlsdr-dev \
+APP=rtl-sdr
-  -y
+REPO=https://github.com/osmocom/rtl-sdr
+REPO_SRC_DIR="${ET_SRC_DIR}/${APP}"
+
+[[ ! -e ${ET_SRC_DIR} ]] && mkdir ${ET_SRC_DIR}
+
+CWD_DIR=`pwd`
+
+et-log "Installing ${APP} build dependencies..."
+apt purge ^librtlsdr -y
+rm -rvf /usr/lib/librtlsdr* /usr/include/rtl-sdr* /usr/local/lib/librtlsdr* /usr/local/include/rtl-sdr* /usr/local/include/rtl_* /usr/local/bin/rtl_*
+
+apt-get install \
+    libusb-1.0-0-dev \
+    git \
+    cmake \
+    pkg-config \
+    debhelper \
+    -y
+
+et-log "Cloning ${APP} repository..."
+if [[ ! -e ${REPO_SRC_DIR} ]]; then
+  mkdir ${REPO_SRC_DIR} 
+  cd ${REPO_SRC_DIR} && git clone ${REPO} src
+fi
+
+cd ${REPO_SRC_DIR}/src
+
+et-log "Building ${APP}..."
+if [[ ! -e build ]]; then
+  mkdir build
+fi
+
+cd build
+cmake ../ -DINSTALL_UDEV_RULES=ON
+make
+make install
+ldconfig
+
+echo 'blacklist dvb_usb_rtl28xxu' | tee --append /etc/modprobe.d/blacklist-dvb_usb_rtl28xxu.conf
+
+cd ..
+dpkg-buildpackage -b --no-sign
+cd ..
+
+dpkg -i librtlsdr0_*
+dpkg -i librtlsdr-dev_*
+
+cd ${CWD_DIR}