void rtty_send_pressure(long p)
{
int temp;
char buf[5];
float t;
t=p/100.0; /* to hPa */
/* negative? */
if (p<0)
rtty_txbyte('-');
/* integer part */
temp = (int)t;
itoa(temp, buf, 10);
rtty_txstring(buf);
rtty_txbyte('.');
/* decimal part */
temp = (t - temp) * 100;
itoa(temp, buf, 10);
rtty_txstring(buf);
rtty_txstring(" hPa");
}
void rtty_txstring ( char * string) {
//Simple function to sent a char at a time to rtty_txbyte function.
char c;
c = *string++;
while (c != '\n'){
rtty_txbyte (c);
c = *string++;
}
rtty_txbyte (c);
}
void rtty_send_temperature(float t)
{
int temp;
char buf[4];
/* negative? */
if (t<0)
rtty_txbyte('-');
/* integer part */
temp = (int)t;
itoa(temp, buf, 10);
rtty_txstring(buf);
rtty_txbyte('.');
/* decimal part */
temp = (t - temp) * 100;
itoa(temp, buf, 10);
rtty_txstring(buf);
rtty_txstring(" C");
}
void rtty_txstring (char * string)
{
/* Simple function to sent a char at a time to
** rtty_txbyte function.
** NB Each char is one byte (8 Bits)
*/
char c;
c = *string++;
while ( c != '\0')
{
rtty_txbyte (c);
c = *string++;
}
}
