Merge branch 'release/v4.0.3'

acbf2fce · Federico Vaga · e260b717 · b765bcf4 · acbf2fce · acbf2fce
Commit acbf2fce authored Mar 18, 2022 by Federico Vaga
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CHANGELOG.rst CHANGELOG.rst +10 -4

fmc-adc-100m14b4cha.c lib/fmc-adc-100m14b4cha.c +1 -1

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--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,17 +6,23 @@
 Changelog
 =========

-4.0.2 - 2022-03-16
+4.0.3 - 2022-03-17
 ==================
-Bugfix
+Fixed
 ------
+- improve conversion accuracy
+
+4.0.2 - 2022-03-16
+==================
+Fixed
+-----
 - configuration values overwritten by the library
 - offset not converted from raw to uV on read

 4.0.1 - 2022-02-11
 ==================
-Bugfix
------
+Fixed
+-----
 - zero offset convertion from microVolts to fmc-adc-100m raw values

 4.0.0 - 2021-09-10

--- a/lib/fmc-adc-100m14b4cha.c
+++ b/lib/fmc-adc-100m14b4cha.c
@@ -493,7 +493,7 @@ static uint32_t __offset_raw_to_uv(uint32_t value_raw)
 {
 	int32_t value_raw_s = (int32_t)value_raw;

-	return (value_raw_s * (ADC_100M14B4CHA_DAC_VREF_uV / 0x8000LL)) - ADC_100M14B4CHA_DAC_VREF_uV;
+	return ((value_raw_s * ADC_100M14B4CHA_DAC_VREF_uV) / 0x8000LL) - ADC_100M14B4CHA_DAC_VREF_uV;
 }