Revision 0:327ccd5eafc8, committed 2016-11-06

Comitter:

jboettcher

Date:

Sun Nov 06 21:57:20 2016 +0000

Commit message:

Complete

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/4DGL-uLCD-SE.lib	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/4180_1/code/4DGL-uLCD-SE/#e39a44de229a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PinDetect.lib	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/AjK/code/PinDetect/#cb3afc45028b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Robot.h	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,31 @@
+#include <iostream>
+using namespace std;
+
+class Robot
+{
+public:
+    void draw() {
+        uLCD.circle(xPosition - 8, yPosition - 8, radius, BLACK);    
+        uLCD.circle(xPosition + 8, yPosition - 8, radius, BLACK);
+        uLCD.filled_circle(xPosition - 8, yPosition - 8, 2, BLACK);    
+        uLCD.filled_circle(xPosition + 8, yPosition - 8, 2, BLACK);  }  
+    void erase() {
+        uLCD.filled_rectangle(0, 126, 126, 26, RED);    }
+    void moveForward(int distance) {
+        radius++;    }
+    void moveBackward(int distance) {
+        radius--;    }
+    void moveLeft(int distance) {
+        xPosition--;    }
+    void moveRight(int distance) {
+        xPosition++;    }
+    Robot() {
+        radius = 5;
+        xPosition = 63;
+        yPosition = 63;
+    }
+private:
+    int radius;
+    int xPosition;
+    int yPosition;
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Speaker.h	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,19 @@
+#include "mbed.h"
+// new class to play a note on Speaker based on PwmOut class
+class Speaker
+{
+public:
+    Speaker(PinName pin) : _pin(pin) {
+// _pin(pin) means pass pin to the Speaker Constructor
+    }
+// class method to play a note based on PwmOut class
+    void PlayNote(float frequency, float duration, float volume) {
+        _pin.period(1.0/frequency);
+        _pin = volume/2.0;
+        wait(duration);
+        _pin = 0.0;
+    }
+
+private:
+    PwmOut _pin;
+};
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,136 @@
+
+#include "mbed.h"
+#include "Speaker.h"
+#include "PinDetect.h"
+#include "uLCD_4DGL.h"
+// setup builtin LEDs
+DigitalOut myLed1(LED1);
+DigitalOut myLed2(LED2);
+DigitalOut myLed3(LED3);
+DigitalOut myLed4(LED4);
+// setup pushbuttons for debounced interrupt use
+PinDetect pb1(p23);
+PinDetect pb2(p24);
+PinDetect pb3(p25);
+PinDetect pb4(p26);
+
+// setup LCD
+uLCD_4DGL uLCD(p28, p27, p29); // create a global lcd object
+
+//moving include down here allows use in uLCD in Robot class draw and erase member functions
+//easier for now than passing a new uLCD_4DGL object argument to the class
+#include "Robot.h"
+
+// setup instance of new Speaker class, mySpeaker using pin 21
+// the pin must be a PWM output pin
+Speaker mySpeaker(p21);
+
+// pushbutton status - need volatile for safe interrupt R/W
+volatile int pbStatus = 0;
+
+// Callback routine is interrupt activated by a debounced pb1 hit
+void pb1_hit_callback (void)
+{
+    // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+    pbStatus = pbStatus | 0x01;
+
+}
+// Callback routine is interrupt activated by a debounced pb2 hit
+void pb2_hit_callback (void)
+{
+    // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+    pbStatus = pbStatus | 0x02;
+}
+// Callback routine is interrupt activated by a debounced pb3 hit
+void pb3_hit_callback (void)
+{
+    // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+    pbStatus = pbStatus | 0x04;
+}
+// Callback routine is interrupt activated by a debounced pb4 hit
+void pb4_hit_callback (void)
+{
+    // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+    pbStatus = pbStatus | 0x08;
+}
+
+// main program
+int main()
+{
+    uLCD.printf("\nmyTitties!\nJoseph Boettcher");
+//setup four SPST push buttons
+    pb1.mode(PullUp); //add internal pullup resistor
+    pb2.mode(PullUp);
+    pb3.mode(PullUp);
+    pb4.mode(PullUp);
+    // need a small delay for initial pullup to take effect due to capacitance
+    wait(.01);
+    // Setup Interrupt callback functions for each pb hit
+    pb1.attach_deasserted(&pb1_hit_callback);
+    pb2.attach_deasserted(&pb2_hit_callback);
+    pb3.attach_deasserted(&pb3_hit_callback);
+    pb4.attach_deasserted(&pb4_hit_callback);
+    // Start sampling the pb inputs using interrupts
+    pb1.setSampleFrequency();
+    pb2.setSampleFrequency();
+    pb3.setSampleFrequency();
+    pb4.setSampleFrequency();
+// pushbuttons are all now setup with pullups and running with a software decounce filter
+
+// use your modified robot class to move and display robot's new location on LCD
+    Robot myRobot;
+
+    myRobot.draw(); //initial robot display in center of LCD
+//main loop to control and display robot
+    while(1) {
+        //check pushbutton status for new input
+        switch (pbStatus) {
+                //move forward
+            case 0x01 :
+                myLed1 = 1;
+                pbStatus = 0;
+                mySpeaker.PlayNote(200.0,0.1,0.8);
+                myRobot.erase();
+                myRobot.moveForward(1);
+                myRobot.draw();
+                break;
+                //move backwards
+            case 0x02 :
+                myLed2 = 1;
+                pbStatus = 0;
+                mySpeaker.PlayNote(400.0,0.1,0.8);
+                myRobot.erase();
+                myRobot.moveBackward(1);
+                myRobot.draw();
+                break;
+                //move left
+            case 0x04 :
+                myLed3 = 1;
+                pbStatus = 0;
+                mySpeaker.PlayNote(600.0,0.1,0.8);
+                myRobot.erase();
+                myRobot.moveLeft(1);
+                myRobot.draw();
+                break;
+                //move right
+            case 0x08 :
+                myLed4 = 1;
+                pbStatus = 0;
+                mySpeaker.PlayNote(800.0,0.1,0.8);
+                myRobot.erase();
+                myRobot.moveRight(1);
+                myRobot.draw();
+                break;
+                //no pb or multiple pbs hit
+            default :
+                myLed1 = 0;
+                myLed2 = 0;
+                myLed3 = 0;
+                myLed4 = 0;
+                pbStatus = 0;
+        } //end switch
+        //myLed1 = !myLed1; //blink to show loop is still running
+        wait(.05);
+    } //end while
+} //end main
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Nov 06 21:57:20 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/4fc01daae5a5
\ No newline at end of file