IDD Fall 2015 / 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_fa15_hw3_lauren_bill_tomas by IDD HW3

main.cpp@1:1f45953fccf9, 2015-09-16 (annotated)

Committer:
bkim54
Date:
Wed Sep 16 02:32:55 2015 +0000
Revision:
1:1f45953fccf9
Parent:
0:d307eb0be182
Child:
2:bab0105de714
added on_off button and flex sensor analog input readings;

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 0:d307eb0be182 6
bkim54 0:d307eb0be182 7 // define I2C Pins and address for KL25Z. Taken from default sample code.
bkim54 0:d307eb0be182 8 PinName const SDA = PTE25;
bkim54 0:d307eb0be182 9 PinName const SCL = PTE24;
bkim54 0:d307eb0be182 10 Timer timer;
bkim54 0:d307eb0be182 11 int timer_begin;
bkim54 0:d307eb0be182 12 #define MMA8451_I2C_ADDRESS (0x1d<<1)
bkim54 0:d307eb0be182 13
bkim54 1:1f45953fccf9 14 #define LEAN_LEFT_THRESH -0.4
bkim54 1:1f45953fccf9 15 #define LEAN_RIGHT_THRESH 0.4
bkim54 1:1f45953fccf9 16 #define LEAN_BACK_THRESH -0.5
bkim54 1:1f45953fccf9 17 #define JUMP_THRESH 0.4
bkim54 1:1f45953fccf9 18 #define FLEX_THRESH 0.4
bkim54 1:1f45953fccf9 19 const char LEFT = 'A';
bkim54 1:1f45953fccf9 20 const char RIGHT = 'D';
bkim54 1:1f45953fccf9 21 const char LASER = 'J';
bkim54 1:1f45953fccf9 22 const char SHIELD = 'K';
bkim54 1:1f45953fccf9 23 const char SLOW = 'L';
bkim54 1:1f45953fccf9 24 const char ENTER = '\n';
bkim54 1:1f45953fccf9 25 const char SPACE = ' ';
bkim54 0:d307eb0be182 26
bkim54 0:d307eb0be182 27 //serial connection to PC via USB
bkim54 0:d307eb0be182 28 Serial pc(USBTX, USBRX);
bkim54 0:d307eb0be182 29
bkim54 1:1f45953fccf9 30 USBKeyboard keyboard;
bkim54 1:1f45953fccf9 31 AnalogIn leftArm(A0);
bkim54 1:1f45953fccf9 32 AnalogIn rightArm(A1);
bkim54 1:1f45953fccf9 33 AnalogIn wrist(A2);
bkim54 1:1f45953fccf9 34 PinDetect on_off(D15);
bkim54 1:1f45953fccf9 35 bool on = false;
bkim54 1:1f45953fccf9 36
bkim54 1:1f45953fccf9 37
bkim54 1:1f45953fccf9 38 void on_off_pressed() {
bkim54 1:1f45953fccf9 39 on = !on;
bkim54 1:1f45953fccf9 40 }
bkim54 0:d307eb0be182 41 int main(void)
bkim54 0:d307eb0be182 42 {
bkim54 0:d307eb0be182 43 //configure on-board I2C accelerometer on KL25Z
bkim54 0:d307eb0be182 44 MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS);
bkim54 0:d307eb0be182 45 //map read acceleration to PWM output on red status LED
bkim54 0:d307eb0be182 46 PwmOut rled(LED_RED);
bkim54 1:1f45953fccf9 47 float x,y,z;
bkim54 1:1f45953fccf9 48
bkim54 1:1f45953fccf9 49 on_off.attach_asserted(&on_off_pressed);
bkim54 1:1f45953fccf9 50 on_off.setAssertValue(0); //pins are PullUp, so there activelow buttons.
bkim54 1:1f45953fccf9 51 on_off.setSampleFrequency(); // Defaults to 20ms.
bkim54 1:1f45953fccf9 52
bkim54 0:d307eb0be182 53 timer.start();
bkim54 0:d307eb0be182 54 timer_begin = timer.read_ms();
bkim54 0:d307eb0be182 55 while (true) {
bkim54 1:1f45953fccf9 56 if (on) {
bkim54 1:1f45953fccf9 57 x = acc.getAccX();
bkim54 1:1f45953fccf9 58 y = acc.getAccY();
bkim54 1:1f45953fccf9 59 z = acc.getAccZ();
bkim54 1:1f45953fccf9 60
bkim54 1:1f45953fccf9 61 if ( y > LEAN_RIGHT_THRESH ) {
bkim54 1:1f45953fccf9 62 pc.printf("Lean right\n");
bkim54 1:1f45953fccf9 63 keyboard.putc(RIGHT);
bkim54 1:1f45953fccf9 64 } else if (y < LEAN_LEFT_THRESH) {
bkim54 1:1f45953fccf9 65 pc.printf("Lean left\n");
bkim54 1:1f45953fccf9 66 keyboard.putc(LEFT);
bkim54 1:1f45953fccf9 67 }
bkim54 1:1f45953fccf9 68
bkim54 1:1f45953fccf9 69 if ( z < LEAN_BACK_THRESH) {
bkim54 1:1f45953fccf9 70 pc.printf("Leaning back\n");
bkim54 1:1f45953fccf9 71 keyboard.putc(SLOW);
bkim54 1:1f45953fccf9 72 }
bkim54 1:1f45953fccf9 73 if( x < JUMP_THRESH && timer.read_ms() - timer_begin > 300 ) {
bkim54 1:1f45953fccf9 74 timer_begin = timer.read_ms();
bkim54 1:1f45953fccf9 75 pc.printf("Jump\n");
bkim54 1:1f45953fccf9 76 keyboard.putc(ENTER);
bkim54 1:1f45953fccf9 77 keyboard.putc(SPACE);
bkim54 1:1f45953fccf9 78 }
bkim54 1:1f45953fccf9 79
bkim54 1:1f45953fccf9 80 if(wrist.read() < FLEX_THRESH) {
bkim54 1:1f45953fccf9 81 pc.printf("Shoot\n");
bkim54 1:1f45953fccf9 82 keyboard.putc(LASER);
bkim54 1:1f45953fccf9 83 }
bkim54 1:1f45953fccf9 84
bkim54 1:1f45953fccf9 85 if(leftArm.read() < FLEX_THRESH && rightArm.read()) {
bkim54 1:1f45953fccf9 86 pc.printf("Shield\n");
bkim54 1:1f45953fccf9 87 keyboard.putc(SHIELD);
bkim54 1:1f45953fccf9 88 }
bkim54 0:d307eb0be182 89 }
bkim54 0:d307eb0be182 90 }
bkim54 0:d307eb0be182 91 }