Jakobi Blackburn / Mbed 2 deprecated USBHostXpad_HelloWorld

A program to show the use of a wireless xbox 360 controller. Has details on what data is given out from the controller as well as normalized values for the triggers and sticks

Dependencies:   USBHost USBHostXpad mbed

Fork of USBHostXpad_HelloWorld by Suga koubou

main.cpp@14:9a82555f7a3b, 2016-03-09 (annotated)

Committer:
JakBlackburn
Date:
Wed Mar 09 15:45:20 2016 +0000
Revision:
14:9a82555f7a3b
Parent:
13:015ec003c063 
fixed typo in data breakdown

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 9:16ce7a241108 1 #include "mbed.h"
okini3939 9:16ce7a241108 2 #include "USBHostXpad.h"
okini3939 9:16ce7a241108 3
okini3939 9:16ce7a241108 4 Serial pc(USBTX, USBRX);
okini3939 9:16ce7a241108 5 DigitalOut led(LED1);
okini3939 10:4b0c8727f0c3 6 volatile int poll = 0;
JakBlackburn 13:015ec003c063 7 /**
JakBlackburn 13:015ec003c063 8 @namespace AXYB
JakBlackburn 13:015ec003c063 9 @brief Integer for storing the hex of the A X Y B buttons
JakBlackburn 13:015ec003c063 10 @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in first value
JakBlackburn 13:015ec003c063 11 @param A - given as a 1
JakBlackburn 13:015ec003c063 12 @param B - given as a 2
JakBlackburn 13:015ec003c063 13 @param X - given as a 4
JakBlackburn 13:015ec003c063 14 @param Y - given as a 8
JakBlackburn 13:015ec003c063 15 */
JakBlackburn 13:015ec003c063 16 uint8_t AXYB=0x0;
JakBlackburn 13:015ec003c063 17 /**
JakBlackburn 13:015ec003c063 18 @namespace XLBRB
JakBlackburn 13:015ec003c063 19 @brief Integer for storing the hex of the LB,RB and center X buttons
JakBlackburn 13:015ec003c063 20 @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in second value
JakBlackburn 13:015ec003c063 21 @param LB - given as a 1
JakBlackburn 13:015ec003c063 22 @param R - given as a 2
JakBlackburn 13:015ec003c063 23 @param X - given as a 4
okini3939 9:16ce7a241108 24
JakBlackburn 13:015ec003c063 25 */
JakBlackburn 13:015ec003c063 26 uint8_t XLBRB=0x0;
JakBlackburn 13:015ec003c063 27
JakBlackburn 13:015ec003c063 28 /**
JakBlackburn 13:015ec003c063 29 @namespace bkStrtLCRC
JakBlackburn 13:015ec003c063 30 @brief Integer for storing the hex of the Left analog button,Right analog button,back and start buttons
JakBlackburn 13:015ec003c063 31 @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in third value
JakBlackburn 13:015ec003c063 32 @param start - given as a 1
JakBlackburn 13:015ec003c063 33 @param back - given as a 2
JakBlackburn 13:015ec003c063 34 @param LC - given as a 4
JakBlackburn 13:015ec003c063 35 @param RC - given as a 8
JakBlackburn 13:015ec003c063 36 */
JakBlackburn 13:015ec003c063 37 uint8_t bkStrtLCRC=0x0;
JakBlackburn 13:015ec003c063 38 /**
JakBlackburn 13:015ec003c063 39 @namespace DPad
JakBlackburn 13:015ec003c063 40 @brief Integer for storing the hex of the Directional buttons
JakBlackburn 13:015ec003c063 41 @brief XPad returns a 4 digit hex for all buttons- AXYB buttons are stored in fourth value
JakBlackburn 13:015ec003c063 42 @param Up - given as a 1
JakBlackburn 13:015ec003c063 43 @param Down - given as a 2
JakBlackburn 13:015ec003c063 44 @param Left - given as a 4
JakBlackburn 13:015ec003c063 45 @param Right - given as a 8
JakBlackburn 13:015ec003c063 46 */
JakBlackburn 13:015ec003c063 47 uint8_t DPad=0x0;
JakBlackburn 13:015ec003c063 48 /**
JakBlackburn 13:015ec003c063 49 @namespace LSY
JakBlackburn 13:015ec003c063 50 @brief float for storing the value of the Left Analogue Stick's Y axis
JakBlackburn 13:015ec003c063 51 @brief XPad returns a value between -32768(down) and 32767(up)
JakBlackburn 13:015ec003c063 52 @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point)
JakBlackburn 13:015ec003c063 53 */
JakBlackburn 13:015ec003c063 54 float LSY=0x0;
JakBlackburn 13:015ec003c063 55 /**
JakBlackburn 13:015ec003c063 56 @namespace LSX
JakBlackburn 13:015ec003c063 57 @brief float for storing the value of the Left Analogue Stick's X axis
JakBlackburn 14:9a82555f7a3b 58 @brief XPad returns a value between -32768(left) and 32767(right)
JakBlackburn 13:015ec003c063 59 @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point)
JakBlackburn 13:015ec003c063 60 */
JakBlackburn 13:015ec003c063 61 float LSX=0x0;
JakBlackburn 13:015ec003c063 62 /**
JakBlackburn 13:015ec003c063 63 @namespace RSY
JakBlackburn 13:015ec003c063 64 @brief float for storing the value of the Right Analogue Stick's Y axis
JakBlackburn 14:9a82555f7a3b 65 @brief XPad returns a value between -32768() and 32767(up)
JakBlackburn 13:015ec003c063 66 @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point)
JakBlackburn 13:015ec003c063 67 */
JakBlackburn 13:015ec003c063 68 float RSY=0x0;
JakBlackburn 13:015ec003c063 69 /**
JakBlackburn 13:015ec003c063 70 @namespace RSX
JakBlackburn 13:015ec003c063 71 @brief float for storing the value of the Right Analogue Stick's X axis
JakBlackburn 14:9a82555f7a3b 72 @brief XPad returns a value between -32768(left) and 32767(right)
JakBlackburn 13:015ec003c063 73 @there is a deadzone between around -4000 and 4000 where the value returned is not consistent when in the fixed position(assummed 0,0 point)
JakBlackburn 13:015ec003c063 74 */
JakBlackburn 13:015ec003c063 75 float RSX=0x0;
JakBlackburn 13:015ec003c063 76 /**
JakBlackburn 13:015ec003c063 77 @namespace sN
JakBlackburn 13:015ec003c063 78 @brief float for storing the stick Normalising value
JakBlackburn 13:015ec003c063 79 @brief makes the range of the sticks -10 to 10
JakBlackburn 13:015ec003c063 80 */
JakBlackburn 13:015ec003c063 81 const float sN=0.000305175781;//(10/32768)
JakBlackburn 13:015ec003c063 82 /**
JakBlackburn 13:015ec003c063 83 @namespace Lt
JakBlackburn 13:015ec003c063 84 @brief float for storing the value of the Left trigger
JakBlackburn 13:015ec003c063 85 @brief XPad returns a value between 0(not pressed) and 255(fully pressed)
JakBlackburn 13:015ec003c063 86 @
JakBlackburn 13:015ec003c063 87 */
JakBlackburn 13:015ec003c063 88 float Lt=0x0;
JakBlackburn 13:015ec003c063 89 /**
JakBlackburn 13:015ec003c063 90 @namespace Rt
JakBlackburn 13:015ec003c063 91 @brief float for storing the value of the Left trigger
JakBlackburn 13:015ec003c063 92 @brief XPad returns a value between 0(not pressed) and 255(fully pressed)
JakBlackburn 13:015ec003c063 93 @
JakBlackburn 13:015ec003c063 94 */
JakBlackburn 13:015ec003c063 95 float Rt=0x0;
JakBlackburn 13:015ec003c063 96 /**
JakBlackburn 13:015ec003c063 97 @namespace tN
JakBlackburn 13:015ec003c063 98 @brief float for storing the trigger Normalising value
JakBlackburn 13:015ec003c063 99 @brief makes the range of the triggers 0 to 10
JakBlackburn 13:015ec003c063 100 */
JakBlackburn 13:015ec003c063 101 const float tN=0.03921568627;//(10/255)
JakBlackburn 13:015ec003c063 102
JakBlackburn 13:015ec003c063 103 void XpadValues(int buttons, int stick_lx, int stick_ly, int stick_rx, int stick_ry, int trigger_l, int trigger_r){
JakBlackburn 13:015ec003c063 104 std::printf("Xpad: %04x %-5d %-5d %-5d %-5d %d %d\r\n", buttons, stick_lx, stick_ly, stick_rx, stick_ry, trigger_l, trigger_r);//%04x makes it display (hex) 0 as 0000 %02x
JakBlackburn 13:015ec003c063 105 std::printf("buttons: %04x\r\n",buttons);
JakBlackburn 13:015ec003c063 106 std::printf("AXYB: %x\r\n",AXYB);
JakBlackburn 13:015ec003c063 107 std::printf("XLBRB: %x\r\n",XLBRB);
JakBlackburn 13:015ec003c063 108 std::printf("bkStrtLCRC: %x\r\n",bkStrtLCRC);
JakBlackburn 13:015ec003c063 109 std::printf("Dpad: %x\r\n",DPad);
JakBlackburn 13:015ec003c063 110 std::printf("LSY: %.2f\r\n",LSY);
JakBlackburn 13:015ec003c063 111 std::printf("LSX: %.2f\r\n",LSX);
JakBlackburn 13:015ec003c063 112 std::printf("RSY: %.2f\r\n",RSY);
JakBlackburn 13:015ec003c063 113 std::printf("RSX: %.2f\r\n",RSX);
JakBlackburn 13:015ec003c063 114 std::printf("Lt: %.2f\r\n",Lt);
JakBlackburn 13:015ec003c063 115 std::printf("Rt: %.2f\r\n",Rt);
JakBlackburn 13:015ec003c063 116 }
JakBlackburn 13:015ec003c063 117
JakBlackburn 13:015ec003c063 118
JakBlackburn 13:015ec003c063 119 void onXpadEvent (int buttons, int stick_lx, int stick_ly, int stick_rx, int stick_ry, int trigger_l, int trigger_r) {
JakBlackburn 13:015ec003c063 120 AXYB=buttons>>12;
JakBlackburn 13:015ec003c063 121 XLBRB=(buttons&0x0f00)>>8;
JakBlackburn 13:015ec003c063 122 bkStrtLCRC=(buttons&0x00f0)>>4;
JakBlackburn 13:015ec003c063 123 DPad=buttons&0x000f;
JakBlackburn 13:015ec003c063 124 LSY=stick_ly*sN;
JakBlackburn 13:015ec003c063 125 LSX=stick_lx*sN;
JakBlackburn 13:015ec003c063 126 RSY=stick_ry*sN;
JakBlackburn 13:015ec003c063 127 RSX=stick_rx*sN;
JakBlackburn 13:015ec003c063 128 Lt=trigger_l*tN;
JakBlackburn 13:015ec003c063 129 Rt=trigger_r*tN;
JakBlackburn 14:9a82555f7a3b 130 XpadValues(buttons, stick_lx, stick_ly, stick_rx, stick_ry, trigger_l, trigger_r);
okini3939 10:4b0c8727f0c3 131 poll = 0;
okini3939 9:16ce7a241108 132 }
okini3939 9:16ce7a241108 133
okini3939 9:16ce7a241108 134 void xpad_task(void const *) {
okini3939 9:16ce7a241108 135 USBHostXpad xpad;
okini3939 9:16ce7a241108 136
okini3939 9:16ce7a241108 137 while(1) {
okini3939 9:16ce7a241108 138 // try to connect a Xbox 360 Wireless Controller
okini3939 9:16ce7a241108 139 while(!xpad.connect())
okini3939 9:16ce7a241108 140 Thread::wait(500);
okini3939 9:16ce7a241108 141
okini3939 9:16ce7a241108 142 // when connected, attach handler called on xpad event
okini3939 9:16ce7a241108 143 xpad.attachEvent(onXpadEvent);
okini3939 10:4b0c8727f0c3 144
okini3939 11:f76e120a8520 145 xpad.led(USBHostXpad::LED_ROTATE);
okini3939 10:4b0c8727f0c3 146 Thread::wait(500);
okini3939 10:4b0c8727f0c3 147 xpad.rumble(0xff, 0);
okini3939 10:4b0c8727f0c3 148 Thread::wait(500);
okini3939 10:4b0c8727f0c3 149 xpad.rumble(0, 0xff);
okini3939 10:4b0c8727f0c3 150 Thread::wait(500);
okini3939 10:4b0c8727f0c3 151 xpad.rumble(0, 0);
okini3939 10:4b0c8727f0c3 152 Thread::wait(500);
okini3939 11:f76e120a8520 153 xpad.led(USBHostXpad::LED1_ON);
okini3939 10:4b0c8727f0c3 154
okini3939 9:16ce7a241108 155 // wait until the mouse is disconnected
okini3939 10:4b0c8727f0c3 156 while(xpad.connected()) {
okini3939 9:16ce7a241108 157 Thread::wait(500);
okini3939 10:4b0c8727f0c3 158 poll ++;
okini3939 10:4b0c8727f0c3 159 if (poll > 10) {
okini3939 10:4b0c8727f0c3 160 xpad.restart();
okini3939 10:4b0c8727f0c3 161 poll = 0;
okini3939 10:4b0c8727f0c3 162 }
okini3939 10:4b0c8727f0c3 163 }
okini3939 9:16ce7a241108 164 }
okini3939 9:16ce7a241108 165 }
okini3939 9:16ce7a241108 166
okini3939 9:16ce7a241108 167
okini3939 9:16ce7a241108 168 int main() {
JakBlackburn 13:015ec003c063 169 pc.baud(9600);
okini3939 9:16ce7a241108 170 pc.printf("----------\r\n");
okini3939 9:16ce7a241108 171 Thread xpadTask(xpad_task, NULL, osPriorityNormal, 1024 * 4);
okini3939 9:16ce7a241108 172 while(1) {
JakBlackburn 13:015ec003c063 173 // led=!led;
JakBlackburn 13:015ec003c063 174 // Thread::wait(500);
okini3939 9:16ce7a241108 175 }
okini3939 9:16ce7a241108 176 }
okini3939 9:16ce7a241108 177