int32 fix to mapping logic
@@ -241,10 +241,10 @@ int64_t _lv_pow(int64_t base, int8_t exp)
*/
LV_ATTRIBUTE_FAST_MEM int16_t _lv_map(int16_t x, int16_t min_in, int16_t max_in, int16_t min, int16_t max)
{
- uint32_t slope = ((uint32_t)(max - min) * 1000) / (uint32_t)(max_in - min_in); /** times 1000 to avoid rounding errors*/
- uint32_t bias = min - (slope * min_in) / 1000;
+ int32_t slope = ((int32_t)(max - min) * 10000) / (int32_t)(max_in - min_in); /** times 10000 to avoid rounding errors*/
+ int32_t bias = (int32_t)(min * 10000) - slope * min_in;
- return bias + (slope * x) / 1000;
+ return (bias + slope * x) / 10000;
}
/**********************
