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fixed negative floats - https://github.com/proddy/EMS-ESP/issues/252

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proddy
2019-12-05 11:03:41 +01:00
parent 47ab9627ba 1150c197e2
commit f96e2efe28
1 changed files with 4 additions and 4 deletions
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8
src/ems_utils.cpp
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@@ -51,22 +51,22 @@ char * _short_to_char(char * s, int16_t value, uint8_t decimals) {
return (s);
}
// do floating point
char s2[10] = {0};
// check for negative values
if (value < 0) {
strlcpy(s, "-", 10);
value *= -1; // convert to positive
}
// do floating point
char s2[10] = {0};
if (decimals == 2) {
// divide by 2
strlcpy(s, ltoa(value / 2, s2, 10), 10);
strlcat(s, ltoa(value / 2, s2, 10), 10);
strlcat(s, ".", 10);
strlcat(s, ((value & 0x01) ? "5" : "0"), 10);
} else {
strlcpy(s, ltoa(value / (decimals * 10), s2, 10), 10);
strlcat(s, ltoa(value / (decimals * 10), s2, 10), 10);
strlcat(s, ".", 10);
strlcat(s, ltoa(value % (decimals * 10), s2, 10), 10);
}