Adam Lawrence
A safe using the mbed, dc motor, solenoid, and more!
Dependencies: 4DGL-uLCD-SE DebounceIn Motordriver PinDetect SDFileSystem mbed-rtos mbed
Diff: main.cpp
- Revision:
- 0:6b5c0ae5acc6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Apr 29 20:01:29 2016 +0000
@@ -0,0 +1,386 @@
+#include "mbed.h"
+#include <cmath>
+#include "solenoid.h"
+#include "rtos.h"
+#include "uLCD_4DGL.h"
+#include "TMP36.h"
+#include "motordriver.h"
+#include "PinDetect.h"
+#include "mpr121.h" //touchpad
+#include "DebounceIn.h"
+#include "Speaker.h" //used for playing tones
+Speaker mySpeaker(p18);
+Serial blue(p13,p14); //blue tooth device
+TMP36 myTMP36(p15); //Analog in
+Mutex mut; //standard io mutex lock
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+AnalogIn ir(p19); //Sharp IR sensor
+uLCD_4DGL uLCD(p28,p27,p30); //create a global lcd object
+I2C i2c(p9, p10);
+Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
+InterruptIn interrupt(p25);
+PinDetect pb1(p21);//push button 1
+PinDetect pb2(p22);//push button 2
+PinDetect pb3(p23);//push button 3
+PinDetect pb4(p24);//push button 4
+Motor left(p26, p16, p17, 1); // pwm, fwd, rev, has brake feature
+Solenoid mySolenoid(p8);
+ char bnum=0;
+ char bhit=0;
+float tempC = 0.0;
+bool shadeDown = true; //true shade is down, false shade is up
+bool tempMode = false; //false is celcius, true is fahrenheit
+int combo[5];
+bool setUp = false; //boolean for initial setup of safe (will be set to true after passcode is entered)
+bool locked = true; //boolean if safe is locked or not.
+int passCode[5];
+int j = 0;
+int passVal = 0; //keeps track of correct input values
+bool passed = true; //this boolean will be used to unlock the safe
+bool pb1push = false; //pushbutton 1 was pushed boolean
+bool pb2push = false;
+bool pb3push = false;
+bool pb4push = false;
+int failVal = 0; //counts failed attempts
+int key_code = -17; //set this to a negative number that won't ever be in Simon's array and also isn't a possible value for drawing
+void fallInterrupt() {
+ int i=0;
+ int value=mpr121.read(0x00);
+ value +=mpr121.read(0x01)<<8;
+ // LED demo mod
+ i=0;
+ // puts key number out to LEDs for demo
+ for (i=0; i<12; i++) {
+ if (((value>>i)&0x01)==1) key_code=i;
+ }
+
+}
+void unlocker() {
+ mySolenoid =1;
+
+ wait(2);
+ mySolenoid = 0;
+}
+void lockInterrupt() {
+ //button 1
+ pb1push = true;
+ led1 = 1;
+ wait(0.5);
+ led1 = 0;
+ mySpeaker.PlayNote(400, 0.5, 1.0);
+}
+void shadeInterrupt() {
+ //button 2
+ pb2push = true;
+ led2 = 1;
+ wait(0.5);
+ led2 = 0;
+ mySpeaker.PlayNote(800, 0.5, 1.0);
+}
+void settingsInterrupt() {
+ //button 3
+ //will be able to change passcode.
+ //change temp display
+ //change display shade.
+ pb3push = true;
+ led3 = 1;
+ wait(0.5);
+ led3 = 0;
+ mySpeaker.PlayNote(1200, 0.5, 1.0);
+}
+
+void exitInterrupt() {
+ //button 4
+ pb4push = true;
+ led4 = 1;
+ wait(0.5);
+ led4 = 0;
+ mySpeaker.PlayNote(1600, 0.5, 1.0);
+}
+void setPassword() {
+ uLCD.cls();
+ uLCD.color(WHITE);
+ uLCD.printf("Please put in your \n 5 digit passcode now \n \n \n \n");
+ wait(0.5);
+ int i = 0;
+ while(i < 5 && !pb4push) {
+ if (key_code >= 0) {
+ combo[i] = key_code;
+ uLCD.text_height(4);
+ uLCD.text_width(2);
+ uLCD.printf("%d ",combo[i]);
+ i++;
+ key_code = -4;
+ }
+ }
+ wait(0.5);
+ uLCD.cls();
+ uLCD.printf("Passcode saved. \nLock engaged. \n");
+ wait(1);
+ uLCD.cls();
+}
+void shadeMove() {
+ uLCD.cls();
+ if(shadeDown) {
+
+ shadeDown = false;
+ //turn motor backward.
+ for (int i = 0; i < 6 ; i ++) {
+ led1=!led1;
+ left.speed(.5);
+ wait(0.2);
+ }
+ left.speed(0);
+ uLCD.printf("Removing shade.");
+ wait(2); //might need to be longer dependent on actual mplementation speed
+ uLCD.cls();
+ } else {
+ shadeDown = true;
+ for (int i = 0; i < 6 ; i ++) {
+ led1=!led1;
+ left.speed(-.5);
+ wait(0.2);
+ }
+ left.speed(0);
+ //turn motor forward
+ uLCD.printf("Placing shade.");
+ wait(2); //might need to be longer dependent on actual mplementation speed
+ uLCD.cls();
+ }
+}
+void bluetoothOn() {
+ while (!pb4push) {
+ if (blue.getc()=='!') {
+ uLCD.locate(0,0);
+ uLCD.printf("In Bluetooth Mode.");
+ if (blue.getc()=='B') { //button data packet
+ bnum = blue.getc(); //button number
+ bhit = blue.getc(); //1=hit, 0=release
+ if (blue.getc()==char(~('!' + 'B' + bnum + bhit))) { //checksum OK?
+ // myled = bnum - '0'; //current button number will appear on LEDs
+ switch (bnum) {
+ case '1': //number button 1
+ if (bhit=='1') {
+ unlocker();
+ //add hit code here
+ //open safe (or close safe) dependent on state
+ } else {
+ //add release code here
+ }
+ break;
+ case '2': //number button 2
+ if (bhit=='1') {
+ //add hit code here
+ //move shade
+ shadeMove();
+ } else {
+
+ //add release code here
+ }
+ break;
+ case '3': //number button 3
+ if (bhit=='1') {
+ tempMode = !tempMode;
+ } else {
+ //add release code here
+ }
+ break;
+ case '4': //number button 4
+ if (bhit=='1') {
+ //add hit code here
+ pb4push = true;
+ } else {
+ //add release code here
+ }
+ break;
+
+ }
+ }
+ }
+ }
+ }
+}
+int main() {
+ set_time(46800); // Set RTC time to Wed, 28 Oct 2009 11:35:37 let's change this to wahtever the presentation day is.
+//clock stuff goes here
+
+pb1.mode(PullUp); //the safe unlock/lock method initiator
+pb2.mode(PullUp); //the shade button
+pb3.mode(PullUp); //temperature button
+pb4.mode(PullUp); //exit routine button
+wait(.01);
+// Setup Interrupt callback functions for a pb hit
+pb1.attach_deasserted(&lockInterrupt);
+pb2.attach_deasserted(&shadeInterrupt);
+pb3.attach_deasserted(&settingsInterrupt);
+pb4.attach_deasserted(&exitInterrupt);
+pb1.setSampleFrequency();
+pb2.setSampleFrequency();
+pb3.setSampleFrequency();
+pb4.setSampleFrequency();
+interrupt.fall(&fallInterrupt); //setting up the touch pad for use by assigning a method for the falling side of the touchpad interrupt
+interrupt.mode(PullUp); //put the interrupt mode to pull up, so that interrupts will trigger when the touchpad is hit
+ while(1) {
+ time_t seconds = time(NULL);
+ //if ir.read is greater than .5 beep(?)
+ tempC = myTMP36.read();
+ if (!setUp) {
+ mut.lock();
+ uLCD.color(WHITE);
+ uLCD.printf("Welcome to \nSMART Safe.");
+
+ wait(1.0);
+ uLCD.cls();
+ setPassword();
+ mut.unlock();
+ setUp = true;
+ //put in clock
+ //put in temp
+ } else if (pb1push) {
+ pb1push = false;
+ pb4push = false;
+ uLCD.cls();
+ uLCD.printf("Enter your pass code now.\n");
+ while (passVal < 5 && failVal < 5 && !pb4push) {
+ if(key_code >= 0) {
+ uLCD.text_height(4);
+ uLCD.printf("%d ",key_code);
+ if (key_code == combo[j]) {
+ passVal++;
+ passed = true;
+ } else {
+ passed = false;
+ j = 0;
+ failVal++;
+ }
+ key_code = -1;
+ }
+ if (passVal == 5 && passed && failVal < 5) {
+ passed = true;
+ pb1push = false;
+ j = 0;
+ failVal = 0;
+ uLCD.cls();
+ uLCD.printf("Safe unlocked.");
+ locked = false;
+ unlocker();
+ locked = true;
+ break;
+ }
+ if (failVal == 5) {
+ uLCD.printf("You have put in \n the wrong password \n five times. \n You are locked out.");
+ }
+ }
+ if(pb4push){
+ pb4push = false;
+ uLCD.printf("Unlocking \nsequence \naborted.");
+ }
+ passVal = 0;
+ failVal = 0;
+ wait(1);
+ uLCD.cls();
+ } else if (pb2push) {
+ pb2push = false;
+
+ shadeMove();
+
+ } else if(pb3push){
+ pb3push = false;
+ uLCD.cls();
+ while (!pb4push) {
+ uLCD.locate(0,0);
+ uLCD.printf("Change Temperature Format (1)\n");
+ uLCD.printf("Change Passcode (2) \n");
+ uLCD.printf("Enter BLUETOOTH \n mode (3)\n");
+ uLCD.printf("Exit menu (4)");
+ wait(1);
+ if (pb1push) {
+ pb1push = false;
+ uLCD.cls();
+ uLCD.printf("Fahrenheit (1)\n");
+ uLCD.printf("Celcius (2)");
+ wait(1);
+ bool action = false;
+ while (!pb4push && !action) {
+ if (pb1push) {
+ action = true;
+ pb1push = false;
+ tempMode = true;//thermometer change to F
+ break;
+ } else if (pb2push) {
+ action = true;
+ pb2push = false;
+ tempMode = false;//themometer change to C
+ break;
+ }
+ led1 = !led1;
+ wait(.5);
+ }
+ uLCD.cls();
+ } else if (pb2push) { //this is going to change the time of day.
+ pb2push = false;
+ uLCD.cls();
+ setPassword();
+ } else if (pb3push) {
+ pb3push = false;
+ bluetoothOn();
+
+ }
+ }
+ uLCD.cls();
+ led1 =1;
+ led2 =1;
+ pb4push = false;
+ } else {
+ float temp = myTMP36.read();
+ if (tempMode) {
+ temp = (temp * 1.8) + 32;
+ }
+ if (locked) {
+ uLCD.text_height(4);
+ uLCD.color(RED);
+ uLCD.locate(4,0);
+ uLCD.printf("Locked");
+ uLCD.color(WHITE);
+ uLCD.text_height(3);
+ uLCD.locate(1,2);
+ char buffer[32];
+ strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+ uLCD.printf("Time %s",buffer);
+ uLCD.locate(1,4);
+ if (tempMode) {
+ uLCD.printf("Temp %3.2f F",temp);
+ } else {
+ uLCD.printf("Temp %3.2f C",temp);
+ }
+ wait(2);
+ //uLCD.cls();
+ } else {
+ uLCD.text_height(4);
+ uLCD.color(GREEN);
+ uLCD.locate(4,0);
+ uLCD.printf("Unlocked");
+ uLCD.color(WHITE);
+ uLCD.text_height(3);
+ uLCD.locate(1,2);
+ char buffer[32];
+ strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+ uLCD.printf("Time %s",buffer);
+ uLCD.locate(1,4);
+ if (tempMode) {
+ uLCD.printf("Temp %3.2f F",temp);
+ } else {
+ uLCD.printf("Temp %3.2f C",temp);
+ }
+ wait(2);
+ //uLCD.cls();
+
+ }
+
+ }
+
+ }
+}