From 44785c76f017619f32dcb8fce2ee2e0ee1095656 Mon Sep 17 00:00:00 2001
From: Tim Stadtmann <tim.stadtmann@rwth-aachen.de>
Date: Tue, 4 Oct 2016 20:49:08 +0200
Subject: [PATCH] Update example-scripts
---
examples/MotorBraking.m | 21 -------------------
examples/distancePlotting.m | 18 ++++++++++++++--
examples/testProfiling.m | 24 +++++++++++++++++++++
examples/testToolbox.m | 42 -------------------------------------
4 files changed, 40 insertions(+), 65 deletions(-)
delete mode 100644 examples/MotorBraking.m
create mode 100644 examples/testProfiling.m
delete mode 100644 examples/testToolbox.m
diff --git a/examples/MotorBraking.m b/examples/MotorBraking.m
deleted file mode 100644
index 47b6f2c..0000000
--- a/examples/MotorBraking.m
+++ /dev/null
@@ -1,21 +0,0 @@
-b = EV3('debug', 2);
-b.connect('bt', 'serPort', '/dev/rfcomm0');
-m = b.motorA;
-sl = b.motorB;
-
-m.tachoLimit = 1000;
-m.brakeMode = 'Coast';
-
-counts = [];
-power = [60, 65, 70, 75, 80, 85, 90, 95, 100];
-
-for i=1:length(power)
- m.resetTachoCount;
- m.reset;
- m.power = power(i);
- m.syncedStart(sl);
- m.waitFor();
- counts = [counts, m.tachoCount];
- b.beep;
- b.debug = false;
-end
\ No newline at end of file
diff --git a/examples/distancePlotting.m b/examples/distancePlotting.m
index 416e8a5..c0c2c3c 100644
--- a/examples/distancePlotting.m
+++ b/examples/distancePlotting.m
@@ -1,3 +1,12 @@
+% This script has two purposes:
+% * Plotting distance to ultrasonic sensor (for fun and as an example)
+% * Analyse runtime of sensor readings (comment out marked part of code to get useful
+% results)
+% Necessary:
+% * USB-connection
+% * UltraSonic-Sensor at Port 4
+clear all
+
b = EV3('debug', 0);
b.connect('usb');
@@ -15,8 +24,11 @@ hold on;
while toc < 20
readings = [readings, s.value];
time = [time, toc];
-% plot(time, readings)
-% drawnow
+
+ %% Plotting
+ % Should be commented out if you analyse latency of sensor readings
+ plot(time, readings)
+ drawnow
end
hold off;
@@ -24,6 +36,8 @@ fprintf('\nSensor readings per sec: %f\n', length(readings)/time(length(time)));
b.disconnect();
+clear all
+
%% Results
% Bluetooth
% debug=2, sensor-typ-kontrolle an: 7.5 Readings/sec % worst case
diff --git a/examples/testProfiling.m b/examples/testProfiling.m
new file mode 100644
index 0000000..0f80605
--- /dev/null
+++ b/examples/testProfiling.m
@@ -0,0 +1,24 @@
+% In order to generally examine the runtime-distribution, start this script
+% with the 'Run and Time'-Button in MATLAB.
+% Necessary:
+% * USB-connection
+% * Motor at Port A
+clear all
+
+b = EV3();
+b.connect('usb');
+ma = b.motorA;
+ma.setProperties('Power', 50, 'LimitValue', 2000);
+
+t = 0;
+flag = 0;
+tacho = 0;
+
+tic;
+ma.start();
+while(toc < 7)
+ flag = [flag, ma.isRunning];
+ tacho = [tacho, ma.tachoCount];
+end
+
+clear all
\ No newline at end of file
diff --git a/examples/testToolbox.m b/examples/testToolbox.m
deleted file mode 100644
index a04346e..0000000
--- a/examples/testToolbox.m
+++ /dev/null
@@ -1,42 +0,0 @@
-b = EV3();
-b.connect('bt', 'serPort', '/dev/rfcomm0');
-b.sensor3.mode = DeviceMode.Color.Col;
-b.sensor4.mode = DeviceMode.UltraSonic.DistCM;
-tic;
-t = 0;
-
-b.motorA.setProperties('power', 50, 'speedRegulation', 'on', 'smoothStart', 10, 'limitMode', ...
- 'Time', 'limitValue', 3000);
-b.motorA.start();
-
-pause(0.5);
-while b.motorA.isRunning()
- b.sensor3.value
- b.sensor4.value
- b.motorA.tachoCount
-end
-
-b.motorB.power = 50;
-b.motorB.limitValue = 4*360;
-b.motorB.start();
-b.motorB.waitFor();
-b.beep();
-
-b.motorA.speedRegulation = false;
-pause(1);
-b.motorA.syncedStart(b.motorB, 'turnRatio', 200);
-b.motorA.waitFor();
-
-for i=1:10
- b.sensor3.value
- b.motorA.tachoCount
- b.sensor3.reset
- b.motorA.tachoCount
-end
-
-b.beep
-b.beep
-
-
-b.disconnect
-b.delete
\ No newline at end of file
--
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