File content as of revision 27:0ed2a9cad0e1:

#include "mbed.h"
#include "rtos.h"
#include "wave_player.h"
#include "SDFileSystem.h"
#include "button.h"
#include "buttonArray.h"
#include <string>
#include <iostream>
#include "emic2.h"
#include <stdio.h>

using namespace std;

// DEFINE I/O
PwmOut myservo(p21);
DigitalIn pb1 (p20);
PwmOut myservo2(p22);
DigitalIn pb2 (p19);
PwmOut myservo3(p23);
DigitalIn pb3 (p18);
PwmOut myservo4(p24);
DigitalIn pb4 (p17);
PwmOut myservo5(p25);
DigitalIn pb5 (p16);
PwmOut myservo6(p26);
DigitalIn pb6 (p15);

//DigitalOut led1(LED1);
//DigitalOut led3(LED3);
//DigitalOut led4(LED4);

DigitalIn linpot(p9);
Serial pc(USBTX, USBRX);
SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
emic2 myTTS(p28, p27); //serial RX,TX pins to emic

//AnalogOut DACout(p26);
//wave_player waver(&DACout);
//button button1(myservo, pb1, linpot);
button button1(myservo, pb1, 1);
button button2(myservo2, pb2, 2);
button button3(myservo3, pb3, 3);
button button4(myservo4, pb4, 4);
button button5(myservo5, pb5, 5);
button button6(myservo6, pb6, 6);

buttonArray buttonarr(button1, button2, button3, button4, button5, button6);

// INITIALIZE VARIABLES
// add mode, reset buttons
int start = 0;
int submit = 0;
// Buttons begins in up state
int state = 0;
int state2 = 0;
int state3 = 0;
int state4 = 0;
int state5 = 0;
int state6 = 0;
int count = 0;

// THREADS

void button_thread()
{
    while(true) {
        state = button1.updateState();
        //led4 = button1.getLp();
        Thread::wait(100); // wait till thread is done
    }
}

void button2_thread()
{
    while(true) {
        state2 = button2.updateState();
        Thread::wait(100); // wait till thread is done
    }
}

// thread for the custom button
void button3_thread()
{
    while(true) {
        state3 = button3.updateState();
        Thread::wait(100); // wait till thread is done
    }
}

// thread for the custom button
void button4_thread()
{
    while(true) {
        state4 = button4.updateState();
        Thread::wait(100); // wait till thread is done
    }
}

// thread for the custom button
void button5_thread()
{
    while(true) {
        state5 = button5.updateState();
        Thread::wait(100); // wait till thread is done
    }
}

// thread for the custom button
void button6_thread()
{
    while(true) {
        state6 = button6.updateState();
        Thread::wait(100); // wait till thread is done
    }
}

void submit_thread()
{
    Thread::wait(500); // wait till thread is done
}

void start_thread()
{
    // read pb_start
    // if 1
    start = 1;
    //pc.printf("start %d ", start);
    // else 0
    Thread::wait(500); // wait till thread is done
}


int main()
{
    /*
    // SETUP
    // pull up the pushbutton to prevent bouncing
    pb1.mode(PullUp);
    pb2.mode(PullUp);
    pb3.mode(PullUp);
    pb4.mode(PullUp);
    pb5.mode(PullUp);
    pb6.mode(PullUp);
    wait(.001);

    // servos begin at 30 degrees
    // replace with a button setup function
    for(int i=0; i<=3; i++) {
        myservo = i/100.0;
        wait(0.01);
    }
    for(int i=0; i<=3; i++) {
        myservo2 = i/100.0;
        wait(0.01);
    }

    for(int i=0; i<=3; i++) {
        myservo3 = i/100.0;
        wait(0.01);
    }

    for(int i=0; i<=3; i++) {
        myservo4 = i/100.0;
        wait(0.01);
    }

    for(int i=0; i<=3; i++) {
        myservo5 = i/100.0;
        wait(0.01);
    }

    for(int i=0; i<=3; i++) {
        myservo6 = i/100.0;
        wait(0.01);
    }*/

    //led1 = 1;
    //led2 = 1;
    /*Thread t1(button_thread);
    Thread t2(button2_thread);
    Thread t3(button3_thread);
    Thread t4(button4_thread);
    Thread t5(button5_thread);
    Thread t6(button6_thread);
    t1.start(button_thread);
    t2.start(button2_thread);
    t3.start(button3_thread);
    t4.start(button4_thread);
    t5.start(button5_thread);
    t6.start(button6_thread);*/

    // PARSE INPUT FILE FOR LETTERS AND WORDS
    char delimiter = ',';
    string letter[2];
    string word[2];
    char check;
    string temp;
    string tempword = "";
    int counter = 0;
    FILE *fp = fopen("/sd/plan.txt", "r"); //create file
    if(fp == NULL) {
        pc.printf("Could not open file for write\n");
    }
    check = fgetc(fp); //grabs a char from file
    while(check != '\n') {  //while not at the end of line for letters
        if((check == delimiter) && (temp.length() == 1)) {  //at a comma and have a letter stored
            letter[counter] = temp; //write letter
            pc.printf("Letter: %s \n", letter[counter]);
            counter = counter + 1;  //increment counter
        } else {
            temp = check;   //store letter
        }
        check = fgetc(fp);  //grabs next char
    }
    counter = 0;    //reset counter
    check = fgetc(fp);  //grabs next char
    while(!feof(fp)) {  //while not at the end of line for words
        if(check == delimiter) {  //when at the comma at the end of a word
            word[counter] = tempword;   //write word
            pc.printf("Word: %s \n", word[counter]);
            tempword = "";
            counter = counter + 1;  //increment counter
        } else {
            tempword = tempword + check;    //concatenate letters to build word
        }
        check = fgetc(fp);  //grabs next char
    }
    fclose(fp); //close file

    // start threads for reset, mode, start
    //Thread t1(start_thread);
    //pc.printf("start thread");
    //Thread t2(submit_thread);
    // setup SDcard and Speaker

    // when started
    //while (start == 0){}
    //Thread t3(button_thread);
    //pc.printf("button thread");
    //Thread t4(button2_thread);
    //pc.printf("button2 thread");

    //Thread t3(submit_thread);

    // when submitted
    //while (submit == 0) {}

    // start button threads and submit thread
    // if submit close button threads and submit thread
    // check result
    // play results on speaker
    // save results
    char currletter;
    int lettersize = sizeof(letter)/sizeof(letter[0]);
    for (int i = 0; i < lettersize; i++) {
        currletter = letter[i][0];
        pc.printf("currletter %c \n", currletter);
        pc.printf("braille %s \n", buttonarr.getBraille(currletter));
    }
    int* pinsup = buttonarr.pinsUp('M');
    pc.printf("pins up M: %d \n", pinsup[0]);
    pc.printf("pins up M: %d \n", pinsup[1]);
    pc.printf("pins up M: %d \n", pinsup[2]);
    int* wrongpins = buttonarr.wrongPins('M', 'O');
    pc.printf("wrong pins M & O %d \n", wrongpins[0]);
    pc.printf("wrong pins M & O %d \n", wrongpins[1]);
    //pc.printf("current braille %c \n", buttonarr.checkVal());
    //pc.printf("%c\n", buttonarr.releaseButtons());


    //TEXT-TO-SPEECH LOGIC
    myTTS.volume(18); //max volume
    string repeat = "Please try again.";

    myTTS.speakf("SWelcome to Bat, the Braille Assistive Teacher. This device will help you learn how to write and type braille.\r");  // Send the desired string to convert to speech
    myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
    for(int i = 0; i < lettersize; i++) {  //iterate through the letter array
        int* pinsup = buttonarr.pinsUp('M');
        int currpress;
        int numpinsups = pinsup[0];  // size of array is first element of pinsup
        //string presspin;
        string presspin = "STo write the letter ";
        presspin = presspin + letter[i];
        presspin = presspin + ", press pins";
        pc.printf("numpinsups %d", numpinsups);

        for (int j = 1; j <= numpinsups; j++) {  // get what pins to press
            currpress = pinsup[j];
            switch (currpress) {
                case 1:
                    presspin = presspin + " 1";
                    break;
                case 2:
                    presspin = presspin + " 2";
                    break;
                case 3:
                    presspin = presspin + " 3";
                    break;
                case 4:
                    presspin = presspin + " 4";
                    break;
                case 5:
                    presspin = presspin + " 5";
                    break;
                case 6:
                    presspin = presspin + " 6";
                    break;
            }

        }
        myTTS.speakf("S%s\r",presspin);

    }
    //myTTS.speakf("STo write the letter %s, press pins %D\r",letter[i]);
    myTTS.ready(); //ready waits for speech to finish from last command with a ":" response

/*
//check pins pressed
    if(incorrect) {
        myTTS.speakf("SPin %D is incoorect.\r",ID);
        myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
        myTTS.speakf("S%s.\r", repeat);
        myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
    }
}
for(int i = 0; i < word.length(); i++)    //iterate through the word array
{
    myTTS.speakf("SWrite the word %s, press pins %D\r",word[i], ID);
    myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
    //check pins pressed
    if(incorrect) {
        myTTS.speakf("SPin %D is incoorect.\r",ID);
        myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
        myTTS.speakf("S%s.\r", repeat);
        myTTS.ready(); //ready waits for speech to finish from last command with a ":" response
    }
}
*/








// MAIN THREAD
while(true)
{

    // read linear potentiometer
    //led4 = linpot;

    Thread::wait(500); // wait till thread is done
}
}