Revision 0:5037d4be5b6d, committed 2012-01-07

Comitter:

wim

Date:

Sat Jan 07 21:03:54 2012 +0000

Commit message:

First version

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice.lib	Sat Jan 07 21:03:54 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/samux/code/USBDevice/#5e24508aa46e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBJoystick.cpp	Sat Jan 07 21:03:54 2012 +0000
@@ -0,0 +1,168 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+* Modified Mouse code for Joystick - WH 2012
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "stdint.h"
+#include "USBJoystick.h"
+
+bool USBJoystick::update(int16_t t, int16_t r, int16_t x, int16_t y, uint8_t button, uint8_t hat) {
+             HID_REPORT report;
+   _t = t;
+   _r = r;   
+   _x = x;
+   _y = y;
+   _button = button;     
+   _hat = hat;
+
+   // Fill the report according to the Joystick Descriptor
+   report.data[0] = _t & 0xff;            
+   report.data[1] = _r & 0xff;               
+   report.data[2] = _x & 0xff;            
+   report.data[3] = _y & 0xff;            
+   report.data[4] = ((_button & 0x0f) << 4) | (_hat & 0x0f) ;                                      
+   report.length = 5; 
+           
+   return send(&report);
+}
+ 
+bool USBJoystick::update() {
+   HID_REPORT report;
+
+   // Fill the report according to the Joystick Descriptor
+   report.data[0] = _t & 0xff;            
+   report.data[1] = _r & 0xff;               
+   report.data[2] = _x & 0xff;            
+   report.data[3] = _y & 0xff;            
+   report.data[4] = ((_button & 0x0f) << 4) | (_hat & 0x0f) ;                                      
+   report.length = 5; 
+
+   return send(&report);
+}
+
+bool USBJoystick::throttle(int16_t t) {
+     _t = t;
+     return update();
+}
+
+bool USBJoystick::rudder(int16_t r) {
+     _r = r;
+     return update();
+}
+
+bool USBJoystick::move(int16_t x, int16_t y) {
+     _x = x;
+     _y = y;
+     return update();
+}
+
+bool USBJoystick::button(uint8_t button) {
+     _button = button;
+     return update();
+}
+
+bool USBJoystick::hat(uint8_t hat) {
+     _hat = hat;
+     return update();
+}
+
+
+void USBJoystick::_init() {
+
+   _t = -127;
+   _r = -127;    
+   _x = 0;                       
+   _y = 0;     
+   _button = 0x00;
+   _hat = 0x00;              
+}
+
+
+uint8_t * USBJoystick::reportDesc() {    
+         static uint8_t reportDescriptor[] = {
+
+             USAGE_PAGE(1), 0x01,           // Generic Desktop           
+             LOGICAL_MINIMUM(1), 0x00,      // Logical_Minimum (0)             
+             USAGE(1), 0x04,                // Usage (Joystick)
+             COLLECTION(1), 0x01,           // Application
+               USAGE_PAGE(1), 0x02,            // Simulation Controls
+               USAGE(1), 0xBB,                 // Throttle             
+               USAGE(1), 0xBA,                 // Rudder               
+               LOGICAL_MINIMUM(1), 0x81,       // -127
+               LOGICAL_MAXIMUM(1), 0x7f,       // 127
+               REPORT_SIZE(1), 0x08,
+               REPORT_COUNT(1), 0x02,
+               INPUT(1), 0x02,                 // Data, Variable, Absolute               
+               USAGE_PAGE(1), 0x01,            // Generic Desktop
+               USAGE(1), 0x01,                 // Usage (Pointer)
+               COLLECTION(1), 0x00,            // Physical
+                 USAGE(1), 0x30,                 // X
+                 USAGE(1), 0x31,                 // Y
+//  8 bit values
+                 LOGICAL_MINIMUM(1), 0x81,       // -127
+                 LOGICAL_MAXIMUM(1), 0x7f,       // 127
+                 REPORT_SIZE(1), 0x08,
+                 REPORT_COUNT(1), 0x02,
+                 INPUT(1), 0x02,                 // Data, Variable, Absolute                  
+// 16 bit values
+//                 LOGICAL_MINIMUM(1), 0x00,       // 0
+//                 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
+//                 REPORT_SIZE(1), 0x10,
+//                 REPORT_COUNT(1), 0x02,
+//                 INPUT(1), 0x02,                 // Data, Variable, Absolute                
+
+               END_COLLECTION(0),               
+// 4 Position Hat Switch
+//               USAGE(1), 0x39,                 // Usage (Hat switch)
+//               LOGICAL_MINIMUM(1), 0x00,       // 0
+//               LOGICAL_MAXIMUM(1), 0x03,       // 3
+//               PHYSICAL_MINIMUM(1), 0x00,      // Physical_Minimum (0)
+//               PHYSICAL_MAXIMUM(2), 0x0E, 0x01, // Physical_Maximum (270)
+//               UNIT(1), 0x14,                  // Unit (Eng Rot:Angular Pos)                            
+//               REPORT_SIZE(1), 0x04,
+//               REPORT_COUNT(1), 0x01,
+//               INPUT(1), 0x02,                 // Data, Variable, Absolute               
+// 8 Position Hat Switch
+               USAGE(1), 0x39,                 // Usage (Hat switch)
+               LOGICAL_MINIMUM(1), 0x00,       // 0
+               LOGICAL_MAXIMUM(1), 0x07,       // 7
+               PHYSICAL_MINIMUM(1), 0x00,      // Physical_Minimum (0)
+               PHYSICAL_MAXIMUM(2), 0x3B, 0x01, // Physical_Maximum (315)
+               UNIT(1), 0x14,                  // Unit (Eng Rot:Angular Pos)                            
+               REPORT_SIZE(1), 0x04,
+               REPORT_COUNT(1), 0x01,
+               INPUT(1), 0x02,                 // Data, Variable, Absolute               
+//
+               USAGE_PAGE(1), 0x09,            // Buttons
+               USAGE_MINIMUM(1), 0x01,         // 1
+               USAGE_MAXIMUM(1), 0x04,         // 4
+               LOGICAL_MINIMUM(1), 0x00,       // 0
+               LOGICAL_MAXIMUM(1), 0x01,       // 1
+               REPORT_SIZE(1), 0x01,
+               REPORT_COUNT(1), 0x04,
+               UNIT_EXPONENT(1), 0x00,         // Unit_Exponent (0)
+               UNIT(1), 0x00,                  // Unit (None)                                           
+               INPUT(1), 0x02,                 // Data, Variable, Absolute
+             END_COLLECTION(0)
+
+        };
+
+      reportLength = sizeof(reportDescriptor);
+      return reportDescriptor;
+}
+
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBJoystick.h	Sat Jan 07 21:03:54 2012 +0000
@@ -0,0 +1,210 @@
+/* USBJoystick.h */
+/* USB device example: Joystick*/
+/* Copyright (c) 2011 ARM Limited. All rights reserved. */
+/* Modified Mouse code for Joystick - WH 2012 */
+
+#ifndef USBJOYSTICK_H
+#define USBJOYSTICK_H
+
+#include "USBHID.h"
+
+#define REPORT_ID_JOYSTICK  4
+
+/* Common usage */
+enum JOY_BUTTON {
+     JOY_B0 = 1,
+     JOY_B1 = 2,
+     JOY_B2 = 4,
+     JOY_B3 = 8,     
+};
+
+#if(0)
+enum JOY_HAT {
+     JOY_HAT_UP      = 0,
+     JOY_HAT_RIGHT   = 1,
+     JOY_HAT_DOWN    = 2,
+     JOY_HAT_LEFT    = 3,     
+     JOY_HAT_NEUTRAL = 4,          
+};
+#else
+enum JOY_HAT {
+     JOY_HAT_UP         = 0,     
+     JOY_HAT_UP_RIGHT   = 1,
+     JOY_HAT_RIGHT      = 2,
+     JOY_HAT_RIGHT_DOWN = 3,
+     JOY_HAT_DOWN       = 4,
+     JOY_HAT_DOWN_LEFT  = 5,     
+     JOY_HAT_LEFT       = 6,     
+     JOY_HAT_LEFT_UP    = 7,          
+     JOY_HAT_NEUTRAL    = 8,          
+};
+#endif
+
+/* X, Y and T limits */
+/* These values do not directly map to screen pixels */
+/* Zero may be interpreted as meaning 'no movement' */
+#define JX_MIN_ABS    (-127)     /*!< The maximum value that we can move to the left on the x-axis */
+#define JY_MIN_ABS    (-127)     /*!< The maximum value that we can move up on the y-axis */
+#define JT_MIN_ABS    (-127)     /*!< The minimum value for the throttle */
+#define JX_MAX_ABS    (127)      /*!< The maximum value that we can move to the right on the x-axis */
+#define JY_MAX_ABS    (127)      /*!< The maximum value that we can move down on the y-axis */
+#define JT_MAX_ABS    (127)      /*!< The maximum value for the throttle */
+
+/**
+ *
+ * USBJoystick example
+ * @code
+ * #include "mbed.h"
+ * #include "USBJoystick.h"
+ *
+ * USBJoystick joystick;
+ *
+ * int main(void)
+ * {
+ *   while (1)
+ *   {
+ *      joystick.move(20, 0);
+ *      wait(0.5);
+ *   }
+ * }
+ *
+ * @endcode
+ *
+ *
+ * @code
+ * #include "mbed.h"
+ * #include "USBJoystick.h"
+ * #include <math.h>
+ *
+ * USBJoystick joystick;
+ *
+ * int main(void)
+ * {
+ *   int16_t i = 0;
+ *   int16_t throttle = 0;
+ *   int16_t rudder = 0;    
+ *   int16_t x = 0;
+ *   int16_t y = 0;
+ *   int32_t radius = 120;
+ *   int32_t angle = 0;
+ *   int8_t button = 0;    
+ *   int8_t hat = 0;    
+ *   
+ *   while (1) {
+ *       // Basic Joystick
+ *       throttle = (i >> 8) & 0xFF; // value -127 .. 128
+ *       rudder = (i >> 8) & 0xFF;   // value -127 .. 128        
+ *       button = (i >> 8) & 0x0F;   // value    0 .. 15, one bit per button     
+ *        hat    = (i >> 8) & 0x07;   // value 0..7 or 8 for neutral         
+ *       i++;        
+ *       
+ *       x = cos((double)angle*3.14/180.0)*radius;  // value -127 .. 128
+ *       y = sin((double)angle*3.14/180.0)*radius;  // value -127 .. 128
+ *       angle += 3;        
+ *
+ *       joystick.update(throttle, rudder, x, y, button, hat);
+ *
+ *       wait(0.001);
+ *   }
+ * }
+ * @endcode
+ */
+
+
+class USBJoystick: public USBHID {
+   public:
+
+        /**
+         *   Constructor
+         *
+         * @param vendor_id Your vendor_id (default: 0x1234)
+         * @param product_id Your product_id (default: 0x0002)
+         * @param product_release Your product_release (default: 0x0001)
+         */
+         USBJoystick(uint16_t vendor_id = 0x1234, uint16_t product_id = 0x0100, uint16_t product_release = 0x0001): 
+             USBHID(0, 0, vendor_id, product_id, product_release, false)
+             { 
+                 _init();
+                 connect();
+             };
+         
+         /**
+         * Write a state of the mouse
+         *
+         * @param t throttle position
+         * @param r rudder position         
+         * @param x x-axis position
+         * @param y y-axis position
+         * @param buttons buttons state
+         * @param hat hat state 0 (up), 1 (right, 2 (down), 3 (left) or 4 (neutral)
+         * @returns true if there is no error, false otherwise
+         */
+         bool update(int16_t t, int16_t r, int16_t x, int16_t y, uint8_t buttons, uint8_t hat);
+
+         /**
+         * Write a state of the mouse
+         *
+         * @returns true if there is no error, false otherwise
+         */
+         bool update();
+
+         /**
+         * Move the throttle position
+         *
+         * @param t throttle position
+         * @returns true if there is no error, false otherwise
+         */
+         bool throttle(int16_t t);
+         
+         /**
+         * Move the rudder position
+         *
+         * @param r rudder position
+         * @returns true if there is no error, false otherwise
+         */        
+         bool rudder(int16_t r);         
+
+         /**
+         * Move the cursor to (x, y)
+         *
+         * @param x-axis position
+         * @param y-axis position
+         * @returns true if there is no error, false otherwise
+         */
+         bool move(int16_t x, int16_t y);
+         
+         /**
+         * Press one or several buttons
+         *
+         * @param button button state
+         * @returns true if there is no error, false otherwise
+         */
+         bool button(uint8_t button);
+         
+         /**
+         * Press hat
+         *
+         * @param hat hat state
+         * @returns true if there is no error, false otherwise
+         */
+         bool hat(uint8_t hat);
+         
+         /*
+         * To define the report descriptor. Warning: this method has to store the length of the report descriptor in reportLength.
+         *
+         * @returns pointer to the report descriptor
+         */
+         virtual uint8_t * reportDesc();
+
+     private:
+         int8_t _t;     
+         int8_t _r;              
+         int8_t _x;                       
+         int8_t _y;     
+         uint8_t _button;
+         uint8_t _hat; 
+         
+         void _init();                 
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Jan 07 21:03:54 2012 +0000
@@ -0,0 +1,65 @@
+#include "mbed.h"
+#include "USBMouse.h"
+#include "USBJoystick.h"
+
+//USBMouse mouse;
+USBJoystick joystick;
+
+// Variables for Heartbeat and Status monitoring
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut heartbeatLED(LED4);
+
+Ticker heartbeat;
+Serial pc(USBTX, USBRX); // tx, rx
+
+// Heartbeat monitor
+void pulse() {
+  heartbeatLED = !heartbeatLED;
+}
+
+void heartbeat_start() {
+  heartbeat.attach(&pulse, 0.5);
+}
+
+void heartbeat_stop() {
+  heartbeat.detach();
+}
+
+
+int main() {
+    int16_t i = 0;
+    int16_t throttle = 0;
+    int16_t rudder = 0;    
+    int16_t x = 0;
+    int16_t y = 0;
+    int32_t radius = 120;
+    int32_t angle = 0;
+    int8_t button = 0;    
+    int8_t hat = 0;    
+    
+    pc.printf("Hello World!\n\r");
+
+    heartbeat_start();
+
+    while (1) {
+        // Basic Joystick
+        throttle = (i >> 8) & 0xFF; // value -127 .. 128
+        rudder = (i >> 8) & 0xFF;   // value -127 .. 128        
+        button = (i >> 8) & 0x0F;   // value    0 .. 15, one bit per button     
+//        hat    = (i >> 8) & 0x03;   // value 0, 1, 2, 3 or 4 for neutral 
+        hat    = (i >> 8) & 0x07;   // value 0..7 or 8 for neutral         
+        i++;        
+        
+        x = cos((double)angle*3.14/180.0)*radius;  // value -127 .. 128
+        y = sin((double)angle*3.14/180.0)*radius;  // value -127 .. 128
+        angle += 3;        
+
+        joystick.update(throttle, rudder, x, y, button, hat);
+
+        wait(0.001);
+    }
+    
+    pc.printf("Bye World!\n\r");                           
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Jan 07 21:03:54 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7110ebee3484