Payman Shabbaki / Mbed 2 deprecated 4180Project

4180 Final Project

Dependencies:   4DGL-uLCD-SE mbed Servo

main.cpp@7:52b51f507ee5, 2016-04-18 (annotated)

Committer:
mbedTrent
Date:
Mon Apr 18 22:19:32 2016 +0000
Revision:
7:52b51f507ee5
Parent:
6:50a82641d07b
Child:
8:2344ae984a4c
added fallInterrupt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pshabbaki3 0:5d35ff3dc9a5 1 #include "mbed.h"
ecarrick 6:50a82641d07b 2 #include "wifi.h"
pshabbaki3 0:5d35ff3dc9a5 3 #include <string>
pshabbaki3 0:5d35ff3dc9a5 4 #include <vector>
pshabbaki3 0:5d35ff3dc9a5 5 #include <iostream>
pshabbaki3 0:5d35ff3dc9a5 6 #include <sstream>
pshabbaki3 0:5d35ff3dc9a5 7 #include <iterator>
pshabbaki3 0:5d35ff3dc9a5 8 #include <stdio.h>
pshabbaki3 0:5d35ff3dc9a5 9 #include <ctype.h>
pshabbaki3 0:5d35ff3dc9a5 10 #include "uLCD_4DGL.h"
pshabbaki3 0:5d35ff3dc9a5 11
mbedTrent 7:52b51f507ee5 12 #include <list>
mbedTrent 7:52b51f507ee5 13 #include <mpr121.h>
mbedTrent 7:52b51f507ee5 14
ecarrick 1:dd048edb2716 15 LocalFileSystem local("local");
pshabbaki3 0:5d35ff3dc9a5 16
pshabbaki3 0:5d35ff3dc9a5 17 DigitalOut myled(LED1);
pshabbaki3 0:5d35ff3dc9a5 18 Serial pc(USBTX,USBRX);
pshabbaki3 0:5d35ff3dc9a5 19 uLCD_4DGL lcd(p28,p27,p30); // serial tx, serial rx, reset pin;
pshabbaki3 0:5d35ff3dc9a5 20
mbedTrent 7:52b51f507ee5 21 // Create the interrupt receiver object on pin 26
mbedTrent 7:52b51f507ee5 22 InterruptIn interrupt(p26);
mbedTrent 7:52b51f507ee5 23
mbedTrent 7:52b51f507ee5 24 // Setup the i2c bus on pins 28 and 27
mbedTrent 7:52b51f507ee5 25 I2C i2c(p9, p10);
mbedTrent 7:52b51f507ee5 26
mbedTrent 7:52b51f507ee5 27 // Setup the Mpr121:
mbedTrent 7:52b51f507ee5 28 // constructor(i2c object, i2c address of the mpr121)
mbedTrent 7:52b51f507ee5 29 Mpr121 mpr121(&i2c, Mpr121::ADD_VSS);
mbedTrent 7:52b51f507ee5 30
pshabbaki3 0:5d35ff3dc9a5 31
pshabbaki3 0:5d35ff3dc9a5 32 vector<char> im;
pshabbaki3 4:e6b198a22216 33 vector<char> pass;
pshabbaki3 0:5d35ff3dc9a5 34 vector<char> name;
pshabbaki3 0:5d35ff3dc9a5 35 vector<char> final;
pshabbaki3 0:5d35ff3dc9a5 36
mbedTrent 7:52b51f507ee5 37 size_t pwSize = 6; //size of password
mbedTrent 7:52b51f507ee5 38 vector<char> password(pwSize);
mbedTrent 7:52b51f507ee5 39 int index=0;
mbedTrent 7:52b51f507ee5 40
mbedTrent 7:52b51f507ee5 41 void fallInterrupt() {
mbedTrent 7:52b51f507ee5 42 int key_code=0;
mbedTrent 7:52b51f507ee5 43 int i=0;
mbedTrent 7:52b51f507ee5 44 int k=0;
mbedTrent 7:52b51f507ee5 45 int value=mpr121.read(0x00);
mbedTrent 7:52b51f507ee5 46 value +=mpr121.read(0x01)<<8;
mbedTrent 7:52b51f507ee5 47 // LED demo mod by J. Hamblen
mbedTrent 7:52b51f507ee5 48 //pc.printf("MPR value: %x \r\n", value);
mbedTrent 7:52b51f507ee5 49 // puts key number out to LEDs for demo
mbedTrent 7:52b51f507ee5 50 for (i=0; i<=11; i++) {
mbedTrent 7:52b51f507ee5 51 if ((((value>>i)&0x01)==1)&&(i>9)){
mbedTrent 7:52b51f507ee5 52 pc.printf("You pressed %d, please enter a value from 0 to 9.\n", i);
mbedTrent 7:52b51f507ee5 53 }
mbedTrent 7:52b51f507ee5 54 else if (((value>>i)&0x01)==1) {
mbedTrent 7:52b51f507ee5 55
mbedTrent 7:52b51f507ee5 56 if (index < 5){
mbedTrent 7:52b51f507ee5 57 key_code=i;
mbedTrent 7:52b51f507ee5 58 //pc.printf("%d in password[%d]\n", key_code, index-1);
mbedTrent 7:52b51f507ee5 59 pc.printf("index: %d; ", index);
mbedTrent 7:52b51f507ee5 60 password[index] = (char)key_code;
mbedTrent 7:52b51f507ee5 61 pc.printf("password[%d] is %c\n", index, password[index]);
mbedTrent 7:52b51f507ee5 62 index++; //determines index of vector to place number
mbedTrent 7:52b51f507ee5 63
mbedTrent 7:52b51f507ee5 64 }
mbedTrent 7:52b51f507ee5 65 else{
mbedTrent 7:52b51f507ee5 66 pc.printf("\nthe password you entered is: ");
mbedTrent 7:52b51f507ee5 67 for (k=0; k<6;k++){
mbedTrent 7:52b51f507ee5 68 pc.printf("%c", password[k]);
mbedTrent 7:52b51f507ee5 69 }
mbedTrent 7:52b51f507ee5 70 pc.printf(" , is this correct? (Y/N)");
mbedTrent 7:52b51f507ee5 71 //possibly use PB here to select Y/N
mbedTrent 7:52b51f507ee5 72 //call function to check password
mbedTrent 7:52b51f507ee5 73 index=0;//reset index
mbedTrent 7:52b51f507ee5 74 //memset(password, 0, sizeof(password)); //clear buffer
mbedTrent 7:52b51f507ee5 75 }
mbedTrent 7:52b51f507ee5 76 }
mbedTrent 7:52b51f507ee5 77 }
mbedTrent 7:52b51f507ee5 78 }
mbedTrent 7:52b51f507ee5 79
ecarrick 5:a2fbe5bd2be0 80 void save_to_file(){
ecarrick 5:a2fbe5bd2be0 81 FILE * fp = fopen("/local/users.txt", "w");
ecarrick 5:a2fbe5bd2be0 82 if(fp != NULL){
ecarrick 5:a2fbe5bd2be0 83 for(unsigned i=0; i< im.size(); i++){
ecarrick 6:50a82641d07b 84 fprintf(fp,"%c",im[i]);
ecarrick 5:a2fbe5bd2be0 85 }
ecarrick 5:a2fbe5bd2be0 86 }
ecarrick 5:a2fbe5bd2be0 87 fclose(fp);
ecarrick 5:a2fbe5bd2be0 88 }
ecarrick 5:a2fbe5bd2be0 89
ecarrick 5:a2fbe5bd2be0 90 void load_from_file(){
ecarrick 5:a2fbe5bd2be0 91 FILE * fp = fopen("/local/users.txt", "r");
ecarrick 5:a2fbe5bd2be0 92 if(fp != NULL){
ecarrick 5:a2fbe5bd2be0 93 im.clear();
ecarrick 5:a2fbe5bd2be0 94 do{
ecarrick 6:50a82641d07b 95 im.push_back(fgetc(fp));
ecarrick 5:a2fbe5bd2be0 96 }
ecarrick 6:50a82641d07b 97 while(im.back() != '#');
ecarrick 5:a2fbe5bd2be0 98 }
ecarrick 5:a2fbe5bd2be0 99 fclose(fp);
ecarrick 5:a2fbe5bd2be0 100 }
pshabbaki3 0:5d35ff3dc9a5 101
pshabbaki3 0:5d35ff3dc9a5 102 int i = 0;
pshabbaki3 0:5d35ff3dc9a5 103
pshabbaki3 4:e6b198a22216 104 void checkResult(vector<char> pass, vector<char> name)
pshabbaki3 0:5d35ff3dc9a5 105 {
pshabbaki3 0:5d35ff3dc9a5 106 // This function will check the keypad values and check if the passcode exists or not
pshabbaki3 0:5d35ff3dc9a5 107
pshabbaki3 0:5d35ff3dc9a5 108 vector<char> ans; //This vector should be the values coming from keypad
pshabbaki3 0:5d35ff3dc9a5 109 ans.push_back('1');
pshabbaki3 0:5d35ff3dc9a5 110 ans.push_back('2');
pshabbaki3 0:5d35ff3dc9a5 111 ans.push_back('3');
pshabbaki3 0:5d35ff3dc9a5 112 ans.push_back('4');
pshabbaki3 0:5d35ff3dc9a5 113 ans.push_back('5');
pshabbaki3 0:5d35ff3dc9a5 114 ans.push_back('6');
pshabbaki3 4:e6b198a22216 115 if (pass.size()==6) {
pshabbaki3 0:5d35ff3dc9a5 116 i++; //use "i" to find which person logged in.
pshabbaki3 4:e6b198a22216 117 if (ans == pass) {
pshabbaki3 0:5d35ff3dc9a5 118 // pc.printf("Found");
pshabbaki3 0:5d35ff3dc9a5 119 final = name;
pshabbaki3 4:e6b198a22216 120 final.insert(name.end(),pass.begin(),pass.end());
pshabbaki3 0:5d35ff3dc9a5 121
pshabbaki3 0:5d35ff3dc9a5 122 } else {
pshabbaki3 0:5d35ff3dc9a5 123 // pc.printf("not found");
pshabbaki3 4:e6b198a22216 124 //lcd.printf("\nnot found\n");
pshabbaki3 0:5d35ff3dc9a5 125 final.clear();
pshabbaki3 0:5d35ff3dc9a5 126 }
pshabbaki3 0:5d35ff3dc9a5 127 }
pshabbaki3 0:5d35ff3dc9a5 128 }
pshabbaki3 0:5d35ff3dc9a5 129
pshabbaki3 0:5d35ff3dc9a5 130
pshabbaki3 2:693a3af5af49 131 void checkKeyboard(vector<char> im)
pshabbaki3 0:5d35ff3dc9a5 132 {
pshabbaki3 2:693a3af5af49 133 for (int i = 0; i<im.size(); i++) {
pshabbaki3 4:e6b198a22216 134 // find space
pshabbaki3 2:693a3af5af49 135 if (im[i] ==' ') {
pshabbaki3 4:e6b198a22216 136 // Check the result
pshabbaki3 4:e6b198a22216 137 checkResult(pass,name);
pshabbaki3 4:e6b198a22216 138 // clear pass, name and final
pshabbaki3 4:e6b198a22216 139 pass.clear();
pshabbaki3 2:693a3af5af49 140 name.clear();
pshabbaki3 0:5d35ff3dc9a5 141 // pc.printf("clear");
pshabbaki3 4:e6b198a22216 142 //lcd.printf("clear");
pshabbaki3 2:693a3af5af49 143 } else {
pshabbaki3 2:693a3af5af49 144 if (isdigit(im[i])) {
pshabbaki3 4:e6b198a22216 145 // write numbers (char) to vector pass
pshabbaki3 4:e6b198a22216 146 pass.push_back(im[i]);
pshabbaki3 2:693a3af5af49 147
pshabbaki3 2:693a3af5af49 148 } else if (isalpha(im[i])) {
pshabbaki3 2:693a3af5af49 149 // write letters (char) to vector name
pshabbaki3 2:693a3af5af49 150 name.push_back(im[i]);
pshabbaki3 2:693a3af5af49 151
pshabbaki3 2:693a3af5af49 152 }
pshabbaki3 0:5d35ff3dc9a5 153 }
pshabbaki3 0:5d35ff3dc9a5 154 }
pshabbaki3 0:5d35ff3dc9a5 155 }
pshabbaki3 0:5d35ff3dc9a5 156
pshabbaki3 0:5d35ff3dc9a5 157
pshabbaki3 0:5d35ff3dc9a5 158
pshabbaki3 0:5d35ff3dc9a5 159 int main()
pshabbaki3 0:5d35ff3dc9a5 160 {
mbedTrent 7:52b51f507ee5 161 interrupt.fall(&fallInterrupt);
mbedTrent 7:52b51f507ee5 162 interrupt.mode(PullUp);
pshabbaki3 2:693a3af5af49 163 //load_from_file();
pshabbaki3 2:693a3af5af49 164
pshabbaki3 0:5d35ff3dc9a5 165 //interupt driven read from serial port
pshabbaki3 0:5d35ff3dc9a5 166 // calls save_to_file();
pshabbaki3 0:5d35ff3dc9a5 167 while(1) {
pshabbaki3 0:5d35ff3dc9a5 168 char c = pc.getc();
pshabbaki3 0:5d35ff3dc9a5 169 if (c!='#') {
pshabbaki3 0:5d35ff3dc9a5 170 im.push_back(c); //writing all the characters into vector
pshabbaki3 2:693a3af5af49 171 checkKeyboard(im);
pshabbaki3 0:5d35ff3dc9a5 172 } else {
pshabbaki3 0:5d35ff3dc9a5 173 for (int cnt = 0; cnt<im.size(); cnt++) {
pshabbaki3 0:5d35ff3dc9a5 174 pc.printf("%c",im[cnt]);
pshabbaki3 4:e6b198a22216 175 //lcd.printf("%c",im[cnt]);
pshabbaki3 0:5d35ff3dc9a5 176 }
pshabbaki3 0:5d35ff3dc9a5 177 }
pshabbaki3 0:5d35ff3dc9a5 178 }
pshabbaki3 0:5d35ff3dc9a5 179
pshabbaki3 0:5d35ff3dc9a5 180 }
pshabbaki3 0:5d35ff3dc9a5 181
pshabbaki3 0:5d35ff3dc9a5 182