33 lines
697 B
C
33 lines
697 B
C
#include "header.h"
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void int_to_hex_string(uint64_t value, char *out, uint8_t num_digits) { // num_digits : number of digit of the output, ex 2 for 3FF (1023) -> FF
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for (uint8_t i = 0; i < num_digits; ++i) {
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uint8_t shift = (num_digits - 1 - i) * 4;
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out[i] = INT_TO_HEX_CHAR((value >> shift) & 0x0F);
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}
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out[num_digits] = '\0';
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}
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void int_to_string(uint64_t value, char *buffer) {
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// handle zero case
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if (value == 0) {
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buffer[0] = '0';
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return;
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}
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uint8_t size = -1;
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uint64_t copy = value;
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while (copy) {
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copy /= 10;
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size++;
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}
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while (value) {
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uint8_t digit = value % 10;
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buffer[size] = digit + '0';
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value /= 10;
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size--;
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}
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}
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