Initial testing of bluetooth serial module. It works, but the code is currently …

…still rather messy. Hardcoded virtual serial port arrangements into programmes for each end.

Initial testing of bluetooth serial module. It works, but the code is currently …
…still rather messy. Hardcoded virtual serial port arrangements into programmes for each end.
Christopher Stone
1 parent 1e2a1faf
Showing 3 changed files with 26 additions and 17 deletions Show diff stats
robots/little_john/telemetry/code/monitor/colours.pyc
robots/little_john/telemetry/code/monitor/graph_plotter.py
robots/little_john/telemetry/code/robot/analogread_demo/analogread_demo.ino
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import pyglet
 import math
@@ -6,14 +6,18 @@ import random
 import time
 import serial
-datafeed = serial.Serial(
- port='/dev/ttyUSB0',
- baudrate = 9600,
- parity=serial.PARITY_NONE,
- stopbits=serial.STOPBITS_ONE,
- bytesize=serial.EIGHTBITS,
- timeout=1
-)
+try:
+    datafeed = serial.Serial(
+     port='/dev/rfcomm0',
+     baudrate = 115200,
+     parity=serial.PARITY_NONE,
+     stopbits=serial.STOPBITS_ONE,
+     bytesize=serial.EIGHTBITS,
+     timeout=1
+    )
+except:
+    print("Serial port setup failure; exiting")
+    exit()
 red = [1, 0, 0]
 green = [0, 1, 0]
@@ -33,12 +37,12 @@ def drawgrid(target, xlines, ylines, xlimits, ylimits):
     for xpos in range(0, target.width, target.width/xlines):
         pyglet.graphics.draw(2, pyglet.gl.GL_LINES, ('v2i', (xpos, 0, xpos, target.height)))
         tagtext = str(round((xlimits[1]-xlimits[0])*(float(xpos)/target.width) + xlimits[0], 1))
-        tag = pyglet.text.Label(tagtext, font_name='Arkhip', font_size=10, x=xpos-2, y=0, anchor_x='right', anchor_y='bottom')
+        tag = pyglet.text.Label(tagtext, font_name='Sans', font_size=10, x=xpos-2, y=0, anchor_x='right', anchor_y='bottom')
         tag.draw()
     for ypos in range(0, target.width, target.height/ylines):
         pyglet.graphics.draw(2, pyglet.gl.GL_LINES, ('v2i', (0, ypos, target.width, ypos)))
         tagtext = str(round((ylimits[1]-ylimits[0])*(float(ypos)/target.height) + ylimits[0], 1))
-        tag = pyglet.text.Label(tagtext, font_name='Arkhip', font_size=10, x=0, y=ypos-2, anchor_x='left', anchor_y='top')
+        tag = pyglet.text.Label(tagtext, font_name='Sans', font_size=10, x=0, y=ypos-2, anchor_x='left', anchor_y='top')
         tag.draw()
@@ -86,7 +90,7 @@ def poll_serial(foo):
     except:
         pass
-pyglet.clock.schedule_interval(poll_serial, 0.01)
+pyglet.clock.schedule_interval(poll_serial, 0.001)
 def drawgraph(target, xpoints, ypoints, colour):
     plotline(target, xpoints, ypoints, colour)
@@ -102,4 +106,4 @@ def on_draw():
     window1.clear()
     drawgraph(window1, xdata, y1data, green)
-pyglet.app.run()
 \ No newline at end of file
+pyglet.app.run()
@@ -7,9 +7,14 @@
  */
 #include <math.h>
+#include <SoftwareSerial.h>
+
+SoftwareSerial Bluetooth(3, 2); // Rx, Tx
 void setup() {
   Serial.begin(9600);
+  Bluetooth.begin(115200);
+  //Bluetooth.print("Hello, wireless world!");
   pinMode(13, OUTPUT);
 }
@@ -17,8 +22,8 @@ void loop() {
   float a0value = analogRead(A0);
   float a7value = analogRead(A7);
-  Serial.print(a0value);
-  Serial.print(", ");
-  Serial.println(a7value);
-  delay(20);
+  Bluetooth.print(a0value);
+  Bluetooth.print(", ");
+  Bluetooth.println(a7value);
+  delay(500);
 }