void TM1637Display::showNumberDec(int num, bool leading_zero, uint8_t length, uint8_t pos)
{
uint8_t digits[4];
const static int divisors[] = { 1, 10, 100, 1000 };
bool leading = true;
for(int8_t k = 0; k < 4; k++) {
int divisor = divisors[4 - 1 - k];
int d = num / divisor;
if (d == 0) {
if (leading_zero || !leading || (k == 3))
digits[k] = encodeDigit(d);
else
digits[k] = 0;
}
else {
digits[k] = encodeDigit(d);
num -= d * divisor;
leading = false;
}
}
setSegments(digits + (4 - length), length, pos);
}
std::string encodeDigits(const std::string & word) const{
std::stringstream ss;
char lastLetter = ' ';
for(auto letter : word){
if(isComplete(ss.str())){
break;
}
if(lastDigit(ss.str()) != encodeDigit(letter) || isVowel(lastLetter)){
ss << encodeDigit(letter);
}
lastLetter = letter;
}
return ss.str();
}
void Soundex::encodeLetter(std::string& encoding,
const char letter, const char lastLetter) const
{
const char digit = encodeDigit( letter );
const char last = lastDigit( encoding );
if ( digit != notDigit &&
( last != digit || isVowel( lastLetter ) )
)
encoding += digit;
}
/*
* @fn showNumberDec
* @brief Print Decimal number on the 4-Digit Display
* @param[in] num number to print
* @param[in] leading_zero
* @param[in] length
* @param[in] pos position of the digit
*/
void showNumberDec(uint16_t num, bool leading_zero, uint8_t length, uint8_t pos){
uint8_t digits[4], i;
const uint16_t divisors[] = {1, 10, 100, 1000};
bool leading = true;
for(i = 0; i < 4; i++){
uint8_t divisor = divisors[3 - i];
uint8_t d = num / divisor;
if( d == 0){
if( leading_zero || !leading || (i == 3))
digits[i] = encodeDigit(d);
else
digits[i] = 0;
}
else{
digits[i] = encodeDigit(d);
num -= d * divisor;
leading = false;
}
}
setSegments(digits + (4 - length), length, pos);
}
/*
* @fn showTime
* @brief Convert and print data on 4Digit-Display
* @param[in] clock data date structure.
* @param[in] dp flag of double point for clock
*/
void showTime(struct ds1307_t clock, bool dp, uint8_t msg){
uint8_t d1, d2, d3, d4, data[4];
uint16_t year, divisor[4] = {1000, 100, 10, 1};
switch (msg){
case 0:
d1 = clock.seconds%10;
d2 = (clock.seconds - d1)/10;
d3 = clock.minutes%10;
d4 = (clock.minutes - d3)/10;
data[0] = encodeDigit (d4);
if (dp)
data[1] = 0x80 | encodeDigit (d3);
else
data[1] = encodeDigit (d3);
data[2] = encodeDigit (d2);
data[3] = encodeDigit (d1);
setSegments(data, 4, 0);
break;
case 1:
d1 = clock.minutes%10;
d2 = (clock.minutes - d1)/10;
d3 = clock.hours%10;
d4 = (clock.hours - d3)/10;
data[0] = encodeDigit (d4);
if (dp)
data[1] = 0x80 | encodeDigit (d3);
else
data[1] = encodeDigit(d3);
data[2] = encodeDigit(d2);
data[3] = encodeDigit(d1);
setSegments(data, 4, 0);
break;
case 2:
showNumberDec (clock.day, false, 4, 0);
break;
case 3:
showNumberDec (clock.date, false, 4, 0);
break;
case 4:
showNumberDec (clock.month, false, 4, 0);
break;
case 5:
year = clock.year;
for(d1 = 0; d1 < 4; d1++){
data[d1] = year/divisor[d1];
if(data[d1])
year -= (data[d1] * divisor[d1]);
else
data[d1] = 0;
showNumberDec (data[d1], true, 1, d1);
}
break;
default:
break;
}
}
