Diff: main.cpp

Revision:

1:5b2ab44eb31f

Parent:

0:33bc88c4ab31

Child:

2:ae7a31a3c618

--- a/main.cpp	Wed Aug 28 02:33:03 2013 +0000
+++ b/main.cpp	Wed Aug 28 13:12:39 2013 +0000
@@ -1,29 +1,19 @@
 #include "mbed.h"
 #include "USBHID.h"
 #include "USBJoystick.h"
-#include "MovingAverage.h"
 #include "LowPassFilter.h"
-#include "AntiLog.h"
 #include "AnalogInFiltered.h"
 #include "rtos.h"
 
-
+// When set, it will send debug data over USB serial
 #define TTY_DEBUG
 
 // Value that defines when to start sending data this prevents the noise sending loads's of data over HID
 #define DATA_CHANGE_TRIGGER 64
 
-Serial pc(USBTX, USBRX); // tx, rx
-
-// Activity led for HID data transmissions
-DigitalOut HIDActivity(LED3);
+// Activity LED for HID data
+#define HIDACTIVITYLED LED3
 
-//This report will contain data to be sent
-HID_REPORT send_report;
-HID_REPORT recv_report;
-
-//USBJoyStick;
-USBJoystick joystick;
 
 // Structure that hold's the dataset of the input's
 Mutex analogValueMutex;
@@ -35,12 +25,28 @@
     long value5;
 } analogData;
 
+#ifdef TTY_DEBUG
+
+// Serial port for debug data
+Serial pc(USBTX, USBRX); // tx, rx
+
+/**
+Debug thread to show some values from the system over USB serial.
+Ensure that TTY_DEBUG is defined so that these routines will get activated.
+This is what I do to view the values on OSX within a terminal
+$ cd /dev
+$ ls | grep usbmodem
+cu.usbmodemfa1232
+tty.usbmodemfa1232
+$ screen tty.usbmodemfa1232
+*/
 void debug_thread(void const *args)
 {
+    // Make a local copy
+    AnalogData localCopy;
+    AnalogData previous;
     while (true) {
-        // Make a local copy
-        AnalogData localCopy;
-        AnalogData previous;
+        // Lock and copy input values
         analogValueMutex.lock();
         memcpy (&localCopy, &analogData, sizeof(AnalogData));
         analogValueMutex.unlock();
@@ -53,16 +59,22 @@
         pc.printf("Analog in p18: %d  diff: %d    \n\r",localCopy.value3,localCopy.value3-previous.value3);
         pc.printf("Analog in p17: %d  diff: %d    \n\r",localCopy.value4,localCopy.value4-previous.value4);
         pc.printf("Analog in p16: %d  diff: %d    \n\r",localCopy.value5,localCopy.value5-previous.value5);
-        
+
+        // Make local copy so we can show diff version
         memcpy (&previous, &localCopy, sizeof(AnalogData));
-
-
         Thread::wait(1000);
     }
 }
+#endif
 
 void hid_thread(void const *args)
 {
+    //USB HID JoyStick
+    USBJoystick joystick;
+
+    // Activity led for HID data transmissions
+    DigitalOut hIDActivity(HIDACTIVITYLED);
+
     while (true) {
 
         // TODO read buttons
@@ -71,7 +83,9 @@
         AnalogData localCopy;
 
         // Wait for analog in to have some data
+        hIDActivity=false;
         Thread::signal_wait(0x1);
+        hIDActivity=true;
 
         // Make a local copy of the data
         analogValueMutex.lock();
@@ -87,8 +101,6 @@
             buttons,
             hat);
 
-        HIDActivity=!HIDActivity;
-
         // Wait 50 ms to send a other USB update
         Thread::wait(50);
     }
@@ -110,11 +122,11 @@
     Thread _hid_thread(hid_thread);
 
     // Initialise moving average filters
-    LowPassFilter lowPassFilter1(new AntiLog(new AnalogFilterInterface(),-5.0),0.95f);   // The close the alpha value is to 1, the lower the cut-off frequency
-    LowPassFilter lowPassFilter2(new AntiLog(new AnalogFilterInterface(),-5.0),0.95f);
-    LowPassFilter lowPassFilter3(new AntiLog(new AnalogFilterInterface(),-5.0),0.95f);
-    LowPassFilter lowPassFilter4(new AntiLog(new AnalogFilterInterface(),-5.0),0.95f);
-    LowPassFilter lowPassFilter5(new AntiLog(new AnalogFilterInterface(),-5.0),0.95f);
+    LowPassFilter lowPassFilter1(new AnalogFilterInterface(),0.95f);   // The close the alpha value is to 1, the lower the cut-off frequency
+    LowPassFilter lowPassFilter2(new AnalogFilterInterface(),0.95f);
+    LowPassFilter lowPassFilter3(new AnalogFilterInterface(),0.95f);
+    LowPassFilter lowPassFilter4(new AnalogFilterInterface(),0.95f);
+    LowPassFilter lowPassFilter5(new AnalogFilterInterface(),0.95f);
 
     // Initialise analog input and tell it what fulters to use
     AnalogInFiltered ai1(&lowPassFilter1, p20);
@@ -138,7 +150,7 @@
                 || ai2.getIsChanged(DATA_CHANGE_TRIGGER)
                 || ai3.getIsChanged(DATA_CHANGE_TRIGGER)
                 || ai4.getIsChanged(DATA_CHANGE_TRIGGER)
-//                || ai5.getIsChanged(8)
+//                || ai5.getIsChanged(DATA_CHANGE_TRIGGER)
            ) {
             // Copy analog data to global data
             analogValueMutex.lock();