Files
@ ab7abb62e433
Branch filter:
Location: therm/stringhelpers.c - annotation
ab7abb62e433
1.4 KiB
text/plain
Import new project based on CANtact makefile template
ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 ab7abb62e433 | #include <inttypes.h>
char* zitoa(int16_t i, char b[]){
char const digit[] = "0123456789";
char* p = b;
if(i<0){
*p++ = '-';
i *= -1;
}
uint16_t shifter = i;
do{ //Move to where representation ends
++p;
shifter = shifter/10;
}while(shifter);
*p = '\0';
do{ //Move back, inserting digits as you go
*--p = digit[i%10];
i = i/10;
}while(i);
return b;
}
char* itoa_fp(int16_t i, uint8_t frac, char b[]){
char const digit[] = "0123456789";
// set p to beginning of char array
char* p = b;
// If negative, set current char to '-' and inc, unnegate number
if(i<0){
*p++ = '-';
i *= -1;
}
// Init shifter to numeric value
uint16_t shifter = i;
uint16_t frac_shifter = frac;
// Iterate through 10s places, incrementing text pointer as we go
do{
++p;
shifter = shifter/10;
}while(shifter);
++p; // increment for decimal point
do{
++p;
frac_shifter = frac_shifter/10;
}while(frac_shifter);
// Null-terminate the string
*p = '\0';
// Go backwards and write out fractional digits
do{
*--p = digit[frac%10];
frac = frac/10;
}while(frac);
*--p = '.'; // insert decimal point
// Go backwards and write out remaining digits
do{
*--p = digit[i%10];
i = i/10;
}while(i);
return b;
}
|