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Fix T1000-E negative temperature display bug

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The ntc_temp2 lookup table was declared as 'char', which can be
unsigned on some platforms, causing negative temperature values
(-30°C to -1°C) to be incorrectly interpreted.

Changed to int8_t to ensure proper signed integer handling of
negative temperatures.

Fixes #1389

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Alexander aka R6DJO 2026-01-14 09:30:20 +03:00
parent 4643f4d3a3
commit 0084d92239
1 changed files with 1 additions and 1 deletions
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2
variants/t1000-e/t1000e_sensors.cpp
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@ -21,7 +21,7 @@ static unsigned int ntc_res2[136] = {
1081, 1053, 1026, 999, 974, 949, 925, 902, 880, 858,
};
static char ntc_temp2[136] = {
static int8_t ntc_temp2[136] = {
-30, -29, -28, -27, -26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11,
-10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,