buttonArray.cpp

00001 #include "mbed.h"
00002 #include "buttonArray.h"
00003 
00004 // type mode
00005 
00006 // buttonArray constructor
00007 buttonArray::buttonArray(button b1, button b2, button b3, button b4, button b5, button b6)
00008     : button1(b1), button2(b2), button3(b3), button4(b4), button5(b5), button6(b6) {}
00009 
00010 //Serial pc(USBTX, USBRX);
00011 
00012 // FUNCTIONS
00013 
00014 // map input braille to ascii
00015 // braille respresentation here - https://en.wikipedia.org/wiki/Braille_ASCII
00016 char buttonArray::checkVal()
00017 {
00018     //pc.printf(" checkVal \n");
00019     char* braille;
00020     char val = NULL;
00021     sprintf(braille, "%d%d%d%d%d%d", button1.getPress(), button2.getPress(),
00022             button3.getPress(), button4.getPress(), button5.getPress(), button6.getPress());
00023     //pc.printf(" %s \n", braille);
00024     if (strcmp(braille, "000000") == 0) val = 'X';
00025     if (strcmp(braille, "011111") == 0) val = 'A';
00026     if (strcmp(braille, "001111") == 0) val = 'B';
00027     if (strcmp(braille, "011011") == 0) val = 'C';
00028     if (strcmp(braille, "011001") == 0) val = 'D';
00029     if (strcmp(braille, "011101") == 0) val = 'E';
00030     if (strcmp(braille, "001011") == 0) val = 'F';
00031     if (strcmp(braille, "001001") == 0) val = 'G';
00032     if (strcmp(braille, "001101") == 0) val = 'H';
00033     if (strcmp(braille, "101101") == 0) val = 'I';
00034     if (strcmp(braille, "101001") == 0) val = 'J';
00035     if (strcmp(braille, "010011") == 0) val = 'M';
00036     if (strcmp(braille, "010101") == 0) val = 'O';
00037     /*if (strcmp(braille, "011111") == 0) val = 'K';
00038     if (strcmp(braille, "011111") == 0) val = 'L';
00039     if (strcmp(braille, "011111") == 0) val = 'N';
00040     if (strcmp(braille, "011111") == 0) val = 'P';
00041     if (strcmp(braille, "011111") == 0) val = 'Q';
00042     if (strcmp(braille, "011111") == 0) val = 'R';
00043     if (strcmp(braille, "011111") == 0) val = 'S';
00044     if (strcmp(braille, "011111") == 0) val = 'T';
00045     if (strcmp(braille, "011111") == 0) val = 'U';
00046     if (strcmp(braille, "011111") == 0) val = 'V';
00047     if (strcmp(braille, "011111") == 0) val = 'W';
00048     if (strcmp(braille, "011111") == 0) val = 'X';
00049     if (strcmp(braille, "011111") == 0) val = 'Y';
00050     if (strcmp(braille, "011111") == 0) val = 'Z';*/
00051     // check if reset
00052     if (strcmp(braille, "111111") == 0) val = 'Z';
00053     //pc.printf(" %c \n", val);
00054     return val;
00055 }
00056 
00057 // get braille represention of char
00058 char* buttonArray::getBraille(char val)
00059 {
00060     char* braille;
00061     if (val == 'A') braille = "011111";
00062     if (val == 'X') braille = "000000";
00063     if (val == 'Z') braille = "111111";
00064     if (val == 'M') braille = "010011";
00065     if (val == 'O') braille = "010101";
00066     // check if reset
00067     if (val == ' ') braille = "111111";
00068     return braille;
00069 }
00070 
00071 // return an array of which pins need to be up
00072 int* buttonArray::pinsUp(char val)
00073 {
00074     int* pinsup;
00075     pinsup = new int[7];
00076     char* braille = getBraille(val);
00077     int j = 1;
00078     for (int i = 0; i < 6; i++) {
00079         if (braille[i] == '0') {
00080             pinsup[j] = i+1;
00081             j++;
00082         }
00083     }
00084     // record size of array in the first element
00085     pinsup[0] = j;
00086     return pinsup;
00087 }
00088 
00089 // return feedback on which pins need to be corrected
00090 // takes in current and actual char as input and returns status of each char
00091 int* buttonArray::wrongPins(char input, char actual)
00092 {
00093     int* wrong;
00094     wrong = new int[7];
00095     char* inarr = getBraille(input);
00096     //pc.printf("input %s\n", inarr);
00097     char* actarr = getBraille(actual);
00098     //pc.printf("wrong pins");
00099     int j = 1;
00100     for (int i = 0; i < 6; i++) {
00101         if(inarr[i] != actarr[i]) {
00102             wrong[j] = i+1;
00103             //pc.printf("%d ", wrong[j]);
00104             j++;
00105         }
00106     }
00107     // record size of array in the first element
00108     wrong[0] = j;
00109     return wrong;
00110 }
00111 
00112 // release buttons
00113 void buttonArray::releaseButtons()
00114 {
00115     if (button1.getPress()) {
00116         button1.moveServoOut();
00117         button1.setState(3);
00118         button1.setPress(0);
00119     }
00120     if (button2.getPress()) {
00121         button2.moveServoOut();
00122         button2.setState(3);
00123         button2.setPress(0);
00124     }
00125     if (button3.getPress()) {
00126         button3.moveServoOut();
00127         button3.setState(3);
00128         button3.setPress(0);
00129     }
00130     if (button4.getPress()) {
00131         button4.moveServoOut();
00132         button4.setState(3);
00133         button4.setPress(0);
00134     }
00135     if (button5.getPress()) {
00136         button5.moveServoOut();
00137         button5.setState(3);
00138         button5.setPress(0);
00139     }
00140     if (button6.getPress()) {
00141         button6.moveServoOut();
00142         button6.setState(3);
00143         button6.setPress(0);
00144     }
00145 }
00146 
00147 void buttonArray::setup()
00148 {
00149     // servos begin at 30 degrees
00150     // replace with a button setup function
00151     button1.setup();
00152     button2.setup();
00153     button3.setup();
00154     button4.setup();
00155     button5.setup();
00156     button6.setup();
00157 }