void bin2Dec(int binaryNumber, int * decimal,int* weight){
int bit;
if(binaryNumber>0){
bit = binaryNumber %10;
*decimal += bit * (int)(pow(2.0,(double)*weight));
binaryNumber = binaryNumber /10;
*weight+=1;
bin2Dec(binaryNumber,decimal,weight);
}
}
int main(){
int decimalNum,bitWeight,binaryNum;
decimalNum = 0;
bitWeight = 0;
printf("Please enter number in binary: ");
scanf("%d",&binaryNum);
bin2Dec(binaryNum, &decimalNum, &bitWeight);
printf("The result is :%d",binaryNum);
return 0;
}
void app()
{
//UP TO RESET
if (input & KEY_UP) variableReset();
//CHECK PRESSED NUMBERS
//Get input
//DECIMAL INPUT
if ((posX >= 10 && posX <= 51) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 1;
else if ((posX >= 55 && posX <= 95) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 2;
else if ((posX >= 100 && posX <= 140) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 3;
else if ((posX >= 10 && posX <= 51) && (posY >= 53 && posY <= 95))PRESSED_NUMBER = 4;
else if ((posX >= 55 && posX <= 95) && (posY >= 53 && posY <= 95))PRESSED_NUMBER = 5;
else if ((posX >= 100 && posX <= 140) && (posY >= 53 && posY <= 95))PRESSED_NUMBER = 6;
else if ((posX >= 10 && posX <= 51) && (posY >= 100 && posY <= 140))PRESSED_NUMBER = 7;
else if ((posX >= 55 && posX <= 95) && (posY >= 100 && posY <= 140))PRESSED_NUMBER = 8;
else if ((posX >= 100 && posX <= 140) && (posY >= 100 && posY <= 140))PRESSED_NUMBER = 9;
else if ((posX >= 10 && posX <= 77) && (posY >= 145 && posY <= 193))PRESSED_NUMBER = 0;
else if ((posX >= 82 && posX <= 140) && (posY >= 145 && posY <= 193)) PRESSED_NUMBER = -1; //Decimal "Cancel" button//BINARY KEYBOARD
else if ((posX >= 124 && posX <= 184) && (posY >= 202 && posY <= 236))PRESSED_NUMBER = 20; //Binary "0"
else if ((posX >= 59 && posX <= 118) && (posY >= 202 && posY <= 236))PRESSED_NUMBER = 21; //Binary "1"
else if ((posX >= 189 && posX <= 250) && (posY >= 202 && posY <= 236)) PRESSED_NUMBER = -2; //Binary "Cancel" button//HEX KEYBOARD
else if ((posX >= 179 && posX <= 209) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 31; //hex 1
else if ((posX >= 213 && posX <= 244) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 32; //hex 2
else if ((posX >= 247 && posX <= 279) && (posY >= 9 && posY <= 48))PRESSED_NUMBER = 33; //hex 3
else if ((posX >= 179 && posX <= 209) && (posY >= 54 && posY <= 96))PRESSED_NUMBER = 34; //hex 4
else if ((posX >= 213 && posX <= 244) && (posY >= 54 && posY <= 96))PRESSED_NUMBER = 35; //hex 5
else if ((posX >= 247 && posX <= 279) && (posY >= 54 && posY <= 96))PRESSED_NUMBER = 36; //hex 6
else if ((posX >= 179 && posX <= 209) && (posY >= 108 && posY <= 140))PRESSED_NUMBER = 37; //hex 7
else if ((posX >= 213 && posX <= 244) && (posY >= 108 && posY <= 140))PRESSED_NUMBER = 38; //hex 8
else if ((posX >= 247 && posX <= 279) && (posY >= 108 && posY <= 140))PRESSED_NUMBER = 39; //hex 9
else if ((posX >= 179 && posX <= 226) && (posY >= 146 && posY <= 176))PRESSED_NUMBER = 30; //hex 0
else if ((posX >= 231 && posX <= 279) && (posY >= 146 && posY <= 176))PRESSED_NUMBER = -3; //hex "Cancel"
else if ((posX >= 283 && posX <= 313) && (posY >= 9 && posY <= 31))PRESSED_NUMBER = 41; //hex A
else if ((posX >= 283 && posX <= 313) && (posY >= 36 && posY <= 59))PRESSED_NUMBER = 42; //hex B
else if ((posX >= 283 && posX <= 313) && (posY >= 64 && posY <= 89))PRESSED_NUMBER = 43; //hex C
else if ((posX >= 283 && posX <= 313) && (posY >= 94 && posY <= 118))PRESSED_NUMBER = 44; //hex D
else if ((posX >= 283 && posX <= 313) && (posY >= 122 && posY <= 148))PRESSED_NUMBER = 45; //hex E
else if ((posX >= 283 && posX <= 313) && (posY >= 153 && posY <= 176))PRESSED_NUMBER = 46; //hex F
else PRESSED_NUMBER = 10;
//Process input and conversion
if (OLD_PRESSED_NUMBER == 10 && PRESSED_NUMBER != 10)
{
if (PRESSED_NUMBER == 20 || PRESSED_NUMBER == 21 || PRESSED_NUMBER == -2)
{
//BINARY--->DECIMAL & HEX:
if (PRESSED_NUMBER != -2) { if (bit_count < 20){ BINARY *= 10; BINARY += (PRESSED_NUMBER - 20); bit_count++; } }
else { BINARY /= 10; bit_count--; }
DECIMAL = bin2Dec(BINARY);
dec2Hex(DECIMAL, HEX);
}
else if (posX < 160)
{
//DECIMAL--->BINARY & HEX:
if (PRESSED_NUMBER != -1) { if (DECIMAL*10+PRESSED_NUMBER<=maxDec){ DECIMAL *= 10; DECIMAL += PRESSED_NUMBER; } }
else DECIMAL /= 10;
BINARY = dec2Bin(DECIMAL);
dec2Hex(DECIMAL, HEX);
}
else
{
//HEX--->DECIMAL&BIN
if (PRESSED_NUMBER == -3)
{
if (hex_count != -1)
{
HEX[hex_count] = '\0';
hex_count--;
}
}
else if (hex_count!=4)
{
hex_count++;
if (PRESSED_NUMBER > 40 && PRESSED_NUMBER < 48)
{
if (PRESSED_NUMBER == 41)HEX[hex_count] = 'A';
if (PRESSED_NUMBER == 42)HEX[hex_count] = 'B';
if (PRESSED_NUMBER == 43)HEX[hex_count] = 'C';
if (PRESSED_NUMBER == 44)HEX[hex_count] = 'D';
if (PRESSED_NUMBER == 45)HEX[hex_count] = 'E';
if (PRESSED_NUMBER == 46)HEX[hex_count] = 'F';
}
else
{
if(!(PRESSED_NUMBER==30 && hex_count==0)) HEX[hex_count] = PRESSED_NUMBER - 30 + 48;
else hex_count--;
}
}
if (hex2Dec(HEX) > maxDec)
{
HEX[hex_count] = '\0';
hex_count--;
}
DECIMAL = hex2Dec(HEX);
BINARY = dec2Bin(DECIMAL);
}
}
OLD_PRESSED_NUMBER = PRESSED_NUMBER;
}