IDD HW3 / Mbed 2 deprecated idd_fa15_hw3_lauren_bill_tomas

Mynput: Game controller for Color Quest.

Dependencies:   Adafruit_NeoPixel MMA8451Q PinDetect_KL25Z USBDevice mbed

Fork of idd_hw3 by IDD HW3

main.cpp@5:f547509e5583, 2015-09-20 (annotated)

Committer:
tomasero
Date:
Sun Sep 20 00:47:40 2015 +0000
Revision:
5:f547509e5583
Parent:
4:0527cd963c14
Child:
6:d5420bcf9ebe
Smooth out x movement by sending multiple chars when left/right & activating LEDs each n cycles.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bkim54 0:d307eb0be182 1 #include "mbed.h"
bkim54 0:d307eb0be182 2 #include "MMA8451Q.h"
bkim54 0:d307eb0be182 3 #include "Timer.h"
bkim54 1:1f45953fccf9 4 #include "USBKeyboard.h"
bkim54 1:1f45953fccf9 5 #include "PinDetect.h"
bkim54 3:888c255f87a7 6 #include "PololuLedStrip.h"
bkim54 0:d307eb0be182 7
bkim54 0:d307eb0be182 8 // define I2C Pins and address for KL25Z. Taken from default sample code.
bkim54 0:d307eb0be182 9 PinName const SDA = PTE25;
bkim54 0:d307eb0be182 10 PinName const SCL = PTE24;
bkim54 0:d307eb0be182 11 Timer timer;
bkim54 0:d307eb0be182 12 int timer_begin;
bkim54 3:888c255f87a7 13
bkim54 4:0527cd963c14 14 #define WRIST_LED_COUNT 16
bkim54 4:0527cd963c14 15 #define CHEST_LED_COUNT 24
bkim54 0:d307eb0be182 16 #define MMA8451_I2C_ADDRESS (0x1d<<1)
tomasero 5:f547509e5583 17 #define COUNTER_MOD 10
tomasero 5:f547509e5583 18 #define X_MOVEMENT_REPEATS 15
bkim54 0:d307eb0be182 19
bkim54 1:1f45953fccf9 20 #define LEAN_LEFT_THRESH -0.4
bkim54 1:1f45953fccf9 21 #define LEAN_RIGHT_THRESH 0.4
bkim54 4:0527cd963c14 22 #define LEAN_BACK_THRESH 0.5
bkim54 1:1f45953fccf9 23 #define JUMP_THRESH 0.4
bkim54 4:0527cd963c14 24 #define LASER_THRESH 0.4
bkim54 4:0527cd963c14 25 #define SHIELD_THRESH 0.41
bkim54 1:1f45953fccf9 26 const char LEFT = 'A';
bkim54 1:1f45953fccf9 27 const char RIGHT = 'D';
bkim54 1:1f45953fccf9 28 const char LASER = 'J';
bkim54 1:1f45953fccf9 29 const char SHIELD = 'K';
bkim54 1:1f45953fccf9 30 const char SLOW = 'L';
bkim54 1:1f45953fccf9 31 const char ENTER = '\n';
bkim54 1:1f45953fccf9 32 const char SPACE = ' ';
bkim54 0:d307eb0be182 33
bkim54 0:d307eb0be182 34 //serial connection to PC via USB
bkim54 0:d307eb0be182 35 Serial pc(USBTX, USBRX);
bkim54 0:d307eb0be182 36
bkim54 3:888c255f87a7 37 PololuLedStrip wristLedStrip(D6);
bkim54 3:888c255f87a7 38 PololuLedStrip chestLedStrip(D7);
bkim54 3:888c255f87a7 39
bkim54 4:0527cd963c14 40 //rgb_color colors[WRIST_LED_COUNT];
bkim54 3:888c255f87a7 41
bkim54 1:1f45953fccf9 42 USBKeyboard keyboard;
bkim54 2:bab0105de714 43 AnalogIn rightArm(A0);
bkim54 1:1f45953fccf9 44 AnalogIn wrist(A2);
bkim54 1:1f45953fccf9 45 PinDetect on_off(D15);
bkim54 1:1f45953fccf9 46 bool on = false;
tomasero 5:f547509e5583 47 int counter = 0;
bkim54 1:1f45953fccf9 48
bkim54 1:1f45953fccf9 49
bkim54 1:1f45953fccf9 50 void on_off_pressed() {
bkim54 1:1f45953fccf9 51 on = !on;
bkim54 1:1f45953fccf9 52 }
bkim54 3:888c255f87a7 53
bkim54 3:888c255f87a7 54 rgb_color getColor( char color, int intensity ) {
bkim54 3:888c255f87a7 55 rgb_color pixelColor;
bkim54 3:888c255f87a7 56 switch (color) {
bkim54 3:888c255f87a7 57 case 'r':
bkim54 3:888c255f87a7 58 pixelColor = (rgb_color){ intensity, 0, 0 };
bkim54 3:888c255f87a7 59 break;
bkim54 3:888c255f87a7 60 case 'g':
bkim54 3:888c255f87a7 61 pixelColor = (rgb_color){ 0, intensity, 0 };
bkim54 3:888c255f87a7 62 break;
bkim54 3:888c255f87a7 63 case 'b':
bkim54 3:888c255f87a7 64 pixelColor = (rgb_color){ 0, 0, intensity };
bkim54 3:888c255f87a7 65 break;
bkim54 3:888c255f87a7 66 case 'w':
bkim54 3:888c255f87a7 67 pixelColor = (rgb_color){ intensity, intensity, intensity};
bkim54 3:888c255f87a7 68 break;
bkim54 3:888c255f87a7 69 default:
bkim54 3:888c255f87a7 70 pixelColor = (rgb_color){ 0, 0 , intensity };
bkim54 3:888c255f87a7 71 break;
bkim54 3:888c255f87a7 72 }
bkim54 3:888c255f87a7 73 return pixelColor;
bkim54 3:888c255f87a7 74 }
bkim54 4:0527cd963c14 75 /*
bkim54 3:888c255f87a7 76 void cleanRing() {
bkim54 3:888c255f87a7 77 for(uint32_t i = 0; i < LED_COUNT; i++) {
bkim54 3:888c255f87a7 78 colors[i] = (rgb_color){ 0, 0, 0 };
bkim54 3:888c255f87a7 79 }
bkim54 3:888c255f87a7 80 wristLedStrip.write(colors, LED_COUNT);
bkim54 3:888c255f87a7 81 }
bkim54 4:0527cd963c14 82 */
bkim54 3:888c255f87a7 83
bkim54 4:0527cd963c14 84 void pulse(char color, PololuLedStrip led, int led_count) {
tomasero 5:f547509e5583 85 if (counter != 0) { return; };
bkim54 4:0527cd963c14 86 rgb_color colors[led_count];
bkim54 3:888c255f87a7 87 // Update the colors array.
tomasero 5:f547509e5583 88 for( int j = 0; j < 255; j+=10) {
bkim54 4:0527cd963c14 89 for( uint32_t i = 0; i < led_count; i++ ) {
bkim54 3:888c255f87a7 90 colors[i] = getColor(color, j);
bkim54 3:888c255f87a7 91 }
bkim54 4:0527cd963c14 92 led.write(colors, led_count);
bkim54 3:888c255f87a7 93 }
bkim54 3:888c255f87a7 94 //wait_ms(100);
bkim54 3:888c255f87a7 95 }
bkim54 3:888c255f87a7 96
bkim54 0:d307eb0be182 97 int main(void)
bkim54 0:d307eb0be182 98 {
bkim54 0:d307eb0be182 99 //configure on-board I2C accelerometer on KL25Z
bkim54 0:d307eb0be182 100 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
bkim54 0:d307eb0be182 101 //map read acceleration to PWM output on red status LED
bkim54 0:d307eb0be182 102 PwmOut rled(LED_RED);
bkim54 1:1f45953fccf9 103 float x,y,z;
bkim54 1:1f45953fccf9 104
bkim54 1:1f45953fccf9 105 on_off.attach_asserted(&on_off_pressed);
bkim54 1:1f45953fccf9 106 on_off.setAssertValue(0); //pins are PullUp, so there activelow buttons.
bkim54 1:1f45953fccf9 107 on_off.setSampleFrequency(); // Defaults to 20ms.
bkim54 1:1f45953fccf9 108
bkim54 0:d307eb0be182 109 timer.start();
bkim54 0:d307eb0be182 110 timer_begin = timer.read_ms();
bkim54 2:bab0105de714 111 pc.printf("helllo\n");
bkim54 3:888c255f87a7 112 //pulse();
bkim54 0:d307eb0be182 113 while (true) {
bkim54 1:1f45953fccf9 114 if (on) {
bkim54 1:1f45953fccf9 115 x = acc.getAccX();
bkim54 1:1f45953fccf9 116 y = acc.getAccY();
bkim54 1:1f45953fccf9 117 z = acc.getAccZ();
bkim54 1:1f45953fccf9 118
bkim54 4:0527cd963c14 119 if ( x > LEAN_RIGHT_THRESH ) {
bkim54 1:1f45953fccf9 120 pc.printf("Lean right\n");
tomasero 5:f547509e5583 121 for (int i = 0; i < X_MOVEMENT_REPEATS; i++) {
tomasero 5:f547509e5583 122 keyboard.putc(RIGHT);
tomasero 5:f547509e5583 123 }
bkim54 4:0527cd963c14 124 } else if (x < LEAN_LEFT_THRESH) {
bkim54 1:1f45953fccf9 125 pc.printf("Lean left\n");
tomasero 5:f547509e5583 126 for (int i = 0; i < X_MOVEMENT_REPEATS; i++) {
tomasero 5:f547509e5583 127 keyboard.putc(LEFT);
tomasero 5:f547509e5583 128 }
bkim54 1:1f45953fccf9 129 }
bkim54 4:0527cd963c14 130 if( y < JUMP_THRESH && timer.read_ms() - timer_begin > 300 ) {
bkim54 1:1f45953fccf9 131 timer_begin = timer.read_ms();
bkim54 1:1f45953fccf9 132 pc.printf("Jump\n");
bkim54 1:1f45953fccf9 133 keyboard.putc(ENTER);
bkim54 1:1f45953fccf9 134 keyboard.putc(SPACE);
bkim54 1:1f45953fccf9 135 }
bkim54 4:0527cd963c14 136 if(wrist.read() < LASER_THRESH) {
bkim54 2:bab0105de714 137 pc.printf("Shoot\n");
bkim54 1:1f45953fccf9 138 keyboard.putc(LASER);
bkim54 4:0527cd963c14 139 pulse('r', wristLedStrip, WRIST_LED_COUNT);
bkim54 4:0527cd963c14 140 pulse('r', chestLedStrip, CHEST_LED_COUNT);
bkim54 3:888c255f87a7 141 }
bkim54 4:0527cd963c14 142 else if(rightArm.read() < SHIELD_THRESH) {
bkim54 1:1f45953fccf9 143 pc.printf("Shield\n");
bkim54 1:1f45953fccf9 144 keyboard.putc(SHIELD);
bkim54 4:0527cd963c14 145 pulse('g', wristLedStrip, WRIST_LED_COUNT);
bkim54 4:0527cd963c14 146 pulse('g', chestLedStrip, CHEST_LED_COUNT);
bkim54 3:888c255f87a7 147 }
bkim54 4:0527cd963c14 148 else if ( z > LEAN_BACK_THRESH) {
bkim54 3:888c255f87a7 149 pc.printf("Leaning back\n");
bkim54 3:888c255f87a7 150 keyboard.putc(SLOW);
bkim54 4:0527cd963c14 151 pulse('b', wristLedStrip, WRIST_LED_COUNT);
bkim54 4:0527cd963c14 152 pulse('b', chestLedStrip, CHEST_LED_COUNT);
bkim54 3:888c255f87a7 153 } else{
bkim54 4:0527cd963c14 154 pulse('w', wristLedStrip, WRIST_LED_COUNT);
bkim54 4:0527cd963c14 155 pulse('w', chestLedStrip, CHEST_LED_COUNT);
bkim54 1:1f45953fccf9 156 }
tomasero 5:f547509e5583 157 counter = (counter + 1)%COUNTER_MOD;
bkim54 0:d307eb0be182 158 }
bkim54 0:d307eb0be182 159 }
bkim54 0:d307eb0be182 160 }