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Refactor atoi_byte() same as atoi_short()

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This commit is contained in:
René van Dorst
2026-08-25 07:54:15 +02:00
parent c265a20d83
commit 80f97a50e0
1 changed files with 17 additions and 10 deletions
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cmd_parser.c
+17 -10
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@@ -81,6 +81,7 @@ __xdata uint16_t cmd_history_ptr;
__xdata uint8_t err_status;
__xdata uint16_t atoi_results_short;
__xdata uint8_t atoi_results_u8;
inline uint8_t isletter(uint8_t l)
{
@@ -187,24 +188,30 @@ uint8_t atoi_hex(uint8_t idx)
}
uint8_t atoi_byte(__xdata uint8_t *out, uint8_t idx)
// return 0 on error or non-zero number of number-byte taken for the conversion.
// Stops at any non-digit '0'-'9' char or bytes is more then 3.
uint8_t atoi_byte(uint8_t idx)
{
uint8_t err = 1;
uint8_t cnt = 0;
uint8_t num = 0;
while (isnumber(cmd_buffer[idx])) {
uint8_t val = cmd_buffer[idx] - '0';
err = 0;
if (num > 25 || (num == 25 && val > 5))
return 1;
uint8_t * ptr = &cmd_buffer[idx];
while (1) {
uint8_t val = *ptr++ - '0';
if (val > 9)
break;
if (num > 25 || (num == 25 && val > 5) || cnt >= 3)
return 0;
num = (num * 10) + val;
idx++;
cnt++;
}
*out = num;
return err;
atoi_results_u8 = num;
return cnt;
}
// return 0 on error or non-zero number of number-byte taken for the conversion.
// Stops at any non-digit '0'-'9' char or bytes is more then 5.
uint8_t atoi_short(uint8_t idx)