Renato Grottesi
USB HID Device that emulates a Gamecontroller
Revision 1:018979eb4641, committed 2022-08-25
- Comitter:
- rengro01
- Date:
- Thu Aug 25 07:22:28 2022 +0000
- Parent:
- 0:5037d4be5b6d
- Commit message:
- Final Arcade Gamepad
Changed in this revision
diff -r 5037d4be5b6d -r 018979eb4641 USBDevice.lib --- a/USBDevice.lib Sat Jan 07 21:03:54 2012 +0000 +++ b/USBDevice.lib Thu Aug 25 07:22:28 2022 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/samux/code/USBDevice/#5e24508aa46e +http://mbed.org/users/samux/code/USBDevice/#140cdf8e2d60
diff -r 5037d4be5b6d -r 018979eb4641 USBJoystick.cpp
--- a/USBJoystick.cpp Sat Jan 07 21:03:54 2012 +0000
+++ b/USBJoystick.cpp Thu Aug 25 07:22:28 2022 +0000
@@ -1,168 +1,79 @@
-/* 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;
-
+bool USBJoystick::update(int16_t x_l, int16_t y_l, uint8_t buttons_l, int16_t x_r, int16_t y_r, uint8_t buttons_r, uint8_t hat)
+{
+ 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::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;
+ report.data[0] = x_l & 0xff;
+ report.data[1] = y_l & 0xff;
+ report.data[2] = x_r & 0xff;
+ report.data[3] = y_r & 0xff;
+ report.data[4] = hat & 0xff;
+ report.data[5] = buttons_l;
+ report.data[6] = buttons_r;
+ report.length = 7;
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();
-}
+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)
-bool USBJoystick::button(uint8_t button) {
- _button = button;
- return update();
-}
-
-bool USBJoystick::hat(uint8_t hat) {
- _hat = hat;
- return update();
-}
+ COLLECTION(1), 0x01, // Application
+ USAGE_PAGE(1), 0x01, // Generic Desktop
+ USAGE(1), 0x01, // Usage (Pointer)
+ COLLECTION(1), 0x00, // Physical
+ USAGE(1), 0x30, // X
+ USAGE(1), 0x31, // Y
+ USAGE(1), 0x32, // Z
+ USAGE(1), 0x35, // Rz
+ LOGICAL_MINIMUM(1), 0x81, // -127
+ LOGICAL_MAXIMUM(1), 0x7f, // 127
+ REPORT_SIZE(1), 0x08,
+ REPORT_COUNT(1), 0x04,
+ INPUT(1), 0x02, // Data, Variable, Absolute
+ END_COLLECTION(0),
-
-void USBJoystick::_init() {
+ USAGE(1), 0x39, // Hat
+ LOGICAL_MINIMUM(1), 0x00, // 0
+ LOGICAL_MAXIMUM(1), 0x07, // 7
+ REPORT_SIZE(1), 0x04, // The hat has only 4 bits, which cause an unalignment
+ REPORT_COUNT(1), 0x01,
+ PHYSICAL_MINIMUM(1), 0x00,
+ PHYSICAL_MAXIMUM(1), 0x7f,
+ UNIT(1), 0x14,
+ INPUT(1), 0x02, // Data, Variable, Absolute
- _t = -127;
- _r = -127;
- _x = 0;
- _y = 0;
- _button = 0x00;
- _hat = 0x00;
-}
+ USAGE(1), 0x40, // Fake HAT
+ LOGICAL_MINIMUM(1), 0x00, // 0
+ LOGICAL_MAXIMUM(1), 0x07, // 7
+ REPORT_SIZE(1), 0x04, // Just have an unused fake hat to realign the buttons below
+ REPORT_COUNT(1), 0x01,
+ PHYSICAL_MINIMUM(1), 0x00,
+ PHYSICAL_MAXIMUM(1), 0x7f,
+ UNIT(1), 0x14,
+ INPUT(1), 0x02, // Data, Variable, Absolute
-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
+ USAGE_PAGE(1), 0x09, // Buttons
+ USAGE_MINIMUM(1), 0x01, // 1
+ USAGE_MAXIMUM(1), 0x10, // 16 buttons
+ LOGICAL_MINIMUM(1), 0x00, // 0
+ LOGICAL_MAXIMUM(1), 0x01, // 1
+ REPORT_SIZE(1), 0x01,
+ REPORT_COUNT(1), 0x10, // 16 buttons
+ UNIT_EXPONENT(1), 0x00, // Unit_Exponent (0)
+ UNIT(1), 0x00, // Unit (None)
+ INPUT(1), 0x02, // Data, Variable, Absolute
+ END_COLLECTION(0)
+ };
- 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;
+ reportLength = sizeof(reportDescriptor);
+ return reportDescriptor;
}
-
-
diff -r 5037d4be5b6d -r 018979eb4641 USBJoystick.h
--- a/USBJoystick.h Sat Jan 07 21:03:54 2012 +0000
+++ b/USBJoystick.h Thu Aug 25 07:22:28 2022 +0000
@@ -1,8 +1,3 @@
-/* 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
@@ -10,201 +5,17 @@
#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();
+ 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)
+ {
+ connect();
+ };
- /**
- * 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);
+ bool update(int16_t x_l, int16_t y_l, uint8_t buttons_l, int16_t x_r, int16_t y_r, uint8_t buttons_r, uint8_t hat);
- /**
- * 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
diff -r 5037d4be5b6d -r 018979eb4641 main.cpp
--- a/main.cpp Sat Jan 07 21:03:54 2012 +0000
+++ b/main.cpp Thu Aug 25 07:22:28 2022 +0000
@@ -2,64 +2,91 @@
#include "USBMouse.h"
#include "USBJoystick.h"
-//USBMouse mouse;
-USBJoystick joystick;
+USBJoystick joystick(0x046d, 0xc216);
+
+// keys range: 288-303 0x120-0x134
-// 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
+DigitalIn l_r(p17);
+DigitalIn l_l(p18);
+DigitalIn l_u(p20);
+DigitalIn l_d(p19);
+DigitalIn l_b1(p16);
+DigitalIn l_b2(p10);
+DigitalIn l_b3(p6);
+DigitalIn l_b4(p7);
+DigitalIn l_b5(p9);
+DigitalIn l_b6(p5);
-// Heartbeat monitor
-void pulse() {
- heartbeatLED = !heartbeatLED;
-}
+DigitalIn r_r(p22);
+DigitalIn r_l(p21);
+DigitalIn r_u(p23);
+DigitalIn r_d(p24);
+DigitalIn r_b1(p11);
+DigitalIn r_b2(p29);
+DigitalIn r_b3(p13);
+DigitalIn r_b4(p12);
+DigitalIn r_b5(p15);
+DigitalIn r_b6(p14);
-void heartbeat_start() {
- heartbeat.attach(&pulse, 0.5);
-}
-
-void heartbeat_stop() {
- heartbeat.detach();
-}
-
+DigitalIn c_l(p25);
+DigitalIn c_r(p26);
+DigitalIn c_u(p27);
+DigitalIn c_d(p28);
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");
+ int16_t x_l = 0;
+ int16_t y_l = 0;
+ uint8_t buttons_l = 0;
+ int16_t x_r = 0;
+ int16_t y_r = 0;
+ uint8_t buttons_r = 0;
+ uint8_t hat = 0;
- heartbeat_start();
+/*
+120 a 121 x 122 y 123 b 124 l1 125 r1 126 l2 127 r2
+128 slt 129 srt 12a tl 12b tr
+00 x 01 y
+02 z 03 rz
+10 hx 11 hy
+*/
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;
+ x_l = 0;
+ y_l = 0;
+ if(l_l) x_l = -127;
+ if(l_r) x_l = 127;
+ if(l_d) y_l = 127;
+ if(l_u) y_l = -127;
+ buttons_l = l_b6 | l_b4 << 1 | l_b3 << 2 | l_b5 << 3 | l_b1 << 4 | l_b2 << 5 | r_b5 << 6 | r_b6 << 7;
+
+ x_r = 0;
+ y_r = 0;
+ if(r_l) x_r = -127;
+ if(r_r) x_r = 127;
+ if(r_d) y_r = 127;
+ if(r_u) y_r = -127;
+ buttons_r = r_b1 | r_b2 << 1 | r_b3 << 2 | r_b4 << 3 | 0 << 4 | 0 << 5 | 0 << 6 | 0 << 7;
- joystick.update(throttle, rudder, x, y, button, hat);
+#define HATSWITCH_UP 0x00
+#define HATSWITCH_UPRIGHT 0x01
+#define HATSWITCH_RIGHT 0x02
+#define HATSWITCH_DOWNRIGHT 0x03
+#define HATSWITCH_DOWN 0x04
+#define HATSWITCH_DOWNLEFT 0x05
+#define HATSWITCH_LEFT 0x06
+#define HATSWITCH_UPLEFT 0x07
+#define HATSWITCH_NONE 0x0F
+ hat = HATSWITCH_NONE;
+
+ if(c_u) {
+ if(c_l) {hat = HATSWITCH_UPLEFT;} else if(c_r) {hat = HATSWITCH_UPRIGHT;} else {hat = HATSWITCH_UP;}
+ } else if(c_d) {
+ if(c_l) {hat = HATSWITCH_DOWNLEFT;} else if(c_r) {hat = HATSWITCH_DOWNRIGHT;} else {hat = HATSWITCH_DOWN;}
+ }
+ else if(c_l) {hat = HATSWITCH_LEFT;} else if(c_r) {hat = HATSWITCH_RIGHT;}
+
+ joystick.update(x_l, y_l, buttons_l, x_r, y_r, buttons_r, hat);
wait(0.001);
}
-
- pc.printf("Bye World!\n\r");
}
\ No newline at end of file
diff -r 5037d4be5b6d -r 018979eb4641 mbed.bld --- a/mbed.bld Sat Jan 07 21:03:54 2012 +0000 +++ b/mbed.bld Thu Aug 25 07:22:28 2022 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/7110ebee3484 +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file