Dev python bluez

README.md

@@ -67,7 +67,7 @@ sudo reboot
 5. Install Bluetooth Firmware, if necessary:
 ```bash
 #install Bluetooth drivers for Pi Zero W
-sudo apt-get install pi-bluetooth
+sudo apt-get install pi-bluetooth bluetooth python-bluez
 
 ```
 
@@ -92,22 +92,30 @@ sudo wget http://repo.mosquitto.org/debian/mosquitto-buster.list
 #update caches and install 
 apt-cache search mosquitto
 sudo apt-get update
-sudo apt-get install -f libmosquitto-dev mosquitto mosquitto-clients libmosquitto1
+sudo apt-get install -f libmosquitto-dev mosquitto mosquitto-clients libmosquitto1 
 ```
 </details>
 
-<details><summary><i>Monitor Setup</i></summary>
+<details><summary><i>Monitor and Bluetooth-Proximity Setup</i></summary>
 
-## Setup `monitor`
+## Setup `monitor and bluetooth-proximity`
 
 1. Clone `monitor` git:
 ```bash
 #install git
 cd ~
 sudo apt-get install git
 
-#clone this repo
+#install Python setuptools
+sudo apt-get install python3-setuptools
+
+#clone monitor and bluetooth-proximity repo
 git clone git://github.com/andrewjfreyer/monitor
+git clone https://github.com/ewenchou/bluetooth-proximity.git
+
+#install bluetooth-proximity
+cd bluetooth-proximity
+sudo python3 setup.py install
 
 #enter `monitor` directory
 cd monitor/

monitor.sh

@@ -273,20 +273,8 @@ connectable_present_devices () {
 
 			#CREATE CONNECTION AND DETERMINE RSSI 
 			#AVERAGE OVER THREE CYCLES; IF BLANK GIVE VALUE OF 100
-			known_device_rssi=$(counter=0; \
-				avg_total=0; \
-				hcitool cc "$known_addr"; \
-				avg_total=""; \
-				for i in 1 2 3; \
-				do scan_result=$(hcitool rssi "$known_addr" 2>&1); \
-				scan_result=${scan_result//[^0-9]/}; \
-				scan_result=${scan_result:-99}; \
-				[[ "$scan_result" == "0" ]] && scan_result=99; \
-				counter=$((counter+1)); \
-				avg_total=$((avg_total + scan_result )); \
-				sleep 0.5; \
-				done; \
-				printf "%s" "$(( avg_total / counter ))")
+			known_device_rssi=$(python3 rssi.py "$known_addr" 3)
+
 
 			#PUBLISH MESSAGE TO RSSI SENSOR 
 			publish_rssi_message \

rssi.py

@@ -0,0 +1,36 @@
+
+from bt_proximity import BluetoothRSSI
+import time
+import sys
+
+BT_ADDR = ''  # You can put your Bluetooth address here
+NUM_LOOP = 1
+rssilist = []
+
+def print_usage():
+    print(
+        "Usage: python rssi.py <bluetooth-address> [number-of-requests]")
+
+
+def main():
+    if len(sys.argv) > 1:
+        addr = sys.argv[1]
+    elif BT_ADDR:
+        addr = BT_ADDR
+    else:
+        print_usage()
+        return
+    if len(sys.argv) == 3:
+        num = int(sys.argv[2])
+    else:
+        num = NUM_LOOP
+    btrssi = BluetoothRSSI(addr=addr)
+    for i in range(0, num):
+        rssi = btrssi.request_rssi()
+        rssilist.append(99) if rssi == None else rssilist.append(abs(int(rssi[0])))
+        time.sleep(1)
+    print(min(rssilist))
+
+
+if __name__ == '__main__':
+    main()