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#include "samd51j18a.h"
#include "string.h"
#include "usb_util.h"
char digit(int d, int radix) {
if (d < 10) {
return d + '0';
} else {
return d - 10 + 'A';
}
}
int UTIL_ltoa_radix(int64_t value, char *dest, int radix) {
int64_t original = value; // save original value
char buf[25] = "";
int c = sizeof(buf) - 1;
int last = c;
int d;
int size;
if (value < 0) // if it's negative, take the absolute value
value = -value;
do // write least significant digit of value that's left
{
d = (value % radix);
buf[--c] = digit(d, radix);
value /= radix;
} while (value);
if (original < 0) buf[--c] = '-';
size = last - c + 1; // includes null at end
memcpy(dest, &buf[c], last - c + 1);
return (size - 1); // without null termination
}
int UTIL_ltoa(int64_t value, char *dest) { return UTIL_ltoa_radix(value, dest, 10); }
int UTIL_itoa(int value, char *dest) { return UTIL_ltoa_radix((int64_t)value, dest, 10); }
int UTIL_utoa(uint32_t value, char *dest) { return UTIL_ltoa_radix((int64_t)value, dest, 10); }
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