Revision 0:73fee9cd0094, committed 2015-09-21

Comitter:

bthov

Date:

Mon Sep 21 09:11:20 2015 +0000

Commit message:

Game Controller;

Changed in this revision

diff -r 000000000000 -r 73fee9cd0094 MMA8451Q.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.lib	Mon Sep 21 09:11:20 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emilmont/code/MMA8451Q/#c4d879a39775

diff -r 000000000000 -r 73fee9cd0094 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Sep 21 09:11:20 2015 +0000
@@ -0,0 +1,124 @@
+// Bryan Thov and Yinglong Li
+// HW 3 - Game Controller
+// IDD Fall '15
+
+#include "mbed.h"
+#include "MMA8451Q.h"
+
+// Signals Sent
+// s = Button Press = shoot
+// j = Arm Raised = jump
+// d = Arm Down = dash
+// l = Arm turn left = left
+// r = Arm turn right = right
+// x = Null -> Not Active
+
+// I2C
+PinName const SDA = PTE25;
+PinName const SCL = PTE24;
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+
+// LED
+DigitalOut myled(LED_GREEN);
+DigitalOut myled1(LED_RED);
+DigitalOut myled2(LED_BLUE);
+
+// Serial
+Serial pc(USBTX, USBRX);
+
+// Game Inputs
+DigitalIn button(D9);
+
+// Initialize Instruction String
+// _ _ _ _ _ \0 = j d l r s \0
+// If the instruction is not there, will be x, which is "Null"
+// \0 = Terminiating String
+char instr[7] = {'x', 'x', 'x', 'x', 'x' ,'a', '\0'};
+
+int main() {
+    // Set up accelerometer
+    MMA8451Q acc(SDA, SCL, MMA8451_I2C_ADDRESS); 
+    float x, y, z;
+    
+    // Turn off LEDs
+    myled = !myled;
+    myled1 = !myled1;
+    myled2 = !myled2;
+
+    while(1) {
+        // Get accelerometer values
+        float x, y, z;
+        x = acc.getAccX();
+        y = acc.getAccY();
+        z = acc.getAccZ();
+        wait(0.05f);
+        //pc.printf("%1.2f %1.2f %1.2f\r\n", x, y, z);
+        
+        // Neglect calculating roll/pitch and use raw analog data = saves time 
+        // As x approaches 0 and y is positive, the controller is going up (jumping)
+        // As x approaches 0 and y is negative, the controller is going down (dashing)
+        // Threshold_Min = -0.7 (Tested -> We will finalize)  
+        // For y: Threshold_Max and Threshold_Min = +- 0.75 to +- 1.1
+
+        wait_ms(100);
+        if (x > -0.7 & y > 0.75 & y < 1.1 & z > -0.2 & z < 0.2) {
+            instr[0] = 'j';
+        } else {
+            instr[0] = 'x';
+        } 
+            
+        if (x > -0.7 & y < -0.75 & y > -1.1 & z > -0.2 & z < 0.2) {
+            instr[1] = 'd';
+        } else {
+            instr[1] = 'x';
+        }
+        
+        // For Directional Movement
+        // Rest is when z = 0
+        // As z approaches -1, the controller is going right
+        // As z approaches 1, the controller is going left
+        // Threshold_Max and Threshold_Min = +- 0.4
+
+        if (z > 0.4) {
+            instr[2] = 'l';
+        } else {
+            instr[2] = 'x';
+        }
+                
+        if (z < -0.4) {
+            instr[3] = 'r';
+        } else {
+            instr[3] = 'x';
+        }
+
+        // Jump + R/L
+        if (x > -0.7 & z < -0.4 & y > 0) {
+            instr[0] = 'j';
+            instr[3] = 'r';
+        } else if (x > -0.7 & z > 0.4 & y > 0) {
+            instr[0] = 'j';
+            instr[2] = 'l';
+        } 
+        
+        // Dash + R/L
+        if (x > -0.7 & z < -0.4 & y < 0) {
+            instr[0] = 'd';
+            instr[3] = 'l';
+        } else if (x > -0.7 & z > 0.4 & y < 0) {
+            instr[0] = 'd';
+            instr[2] = 'r';
+        } 
+        
+        // See if button is pressed
+        if(button == 0) {
+            instr[4] = 's';
+        } else {
+            instr[4] = 'x';
+        }
+
+        // Print out instruction string and reset rest
+        pc.printf(instr);
+        wait_ms(50);
+    }
+}
+

diff -r 000000000000 -r 73fee9cd0094 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Sep 21 09:11:20 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4f6c30876dfa
\ No newline at end of file