Added serial communication test for jetson

Author: wizardofrobots

jetson-nano-plastic-detector/serial-communication/.ipynb_checkpoints/ProtocolTest-checkpoint.ipynb

@@ -0,0 +1,6 @@
+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 4
+}

jetson-nano-plastic-detector/serial-communication/.ipynb_checkpoints/ProtocolTest-checkpoint.py

@@ -0,0 +1,25 @@
+#! /usr/bin/env python3
+
+import serial
+import time
+    
+ON = bytes("on","utf8")
+OFF = bytes("off","utf8")
+
+def main():
+    led_state = True
+    with serial.Serial('/dev/ttyUSB1',115200,timeout=3.) as port:
+        time.sleep(1.6)
+        while(True):
+            next_led_state = ON if led_state else OFF
+            print("asking led to switch on" if led_state else "asking led to switch off")
+            port.write(next_led_state)
+            port.flush()
+            response = port.readline()
+            print(response)
+            led_state = not led_state
+            time.sleep(.1)
+
+if __name__=="__main__":
+    main()
+    

jetson-nano-plastic-detector/serial-communication/.ipynb_checkpoints/__init__-checkpoint.py

@@ -0,0 +1,77 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import serial"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "port = serial.Serial('/dev/ttyUSB0',9600)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 44,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "b'-1891\\t5897\\r\\n'\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(port.readline())"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 66,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "4\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(port.write(bytes(\"123\\n\",\"utf8\")))"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.6.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}

jetson-nano-plastic-detector/serial-communication/ProtocolTest.ipynb

@@ -0,0 +1,25 @@
+#! /usr/bin/env python3
+
+import serial
+import time
+    
+ON = bytes("on","utf8")
+OFF = bytes("off","utf8")
+
+def main():
+    led_state = True
+    with serial.Serial('/dev/ttyUSB1',115200,timeout=3.) as port:
+        time.sleep(1.6)
+        while(True):
+            next_led_state = ON if led_state else OFF
+            print("asking led to switch on" if led_state else "asking led to switch off")
+            port.write(next_led_state)
+            port.flush()
+            response = port.readline()
+            print(response)
+            led_state = not led_state
+            time.sleep(.1)
+
+if __name__=="__main__":
+    main()
+