Module Name: src
Committed By: brad
Date: Fri Oct 29 23:23:33 UTC 2021
Modified Files:
src/sys/dev/i2c: sht4x.c
Log Message:
Correct an off by one degree error in the temperature conversion.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/i2c/sht4x.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/i2c/sht4x.c
diff -u src/sys/dev/i2c/sht4x.c:1.1 src/sys/dev/i2c/sht4x.c:1.2
--- src/sys/dev/i2c/sht4x.c:1.1 Sun Oct 3 17:27:02 2021
+++ src/sys/dev/i2c/sht4x.c Fri Oct 29 23:23:33 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: sht4x.c,v 1.1 2021/10/03 17:27:02 brad Exp $ */
+/* $NetBSD: sht4x.c,v 1.2 2021/10/29 23:23:33 brad Exp $ */
/*
* Copyright (c) 2021 Brad Spencer <[email protected]>
@@ -17,7 +17,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sht4x.c,v 1.1 2021/10/03 17:27:02 brad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sht4x.c,v 1.2 2021/10/29 23:23:33 brad Exp $");
/*
Driver for the Sensirion SHT40/SHT41/SHT45
@@ -723,7 +723,7 @@ sht4x_refresh(struct sysmon_envsys * sme
It follows then:
- T in Kelvin = (229.15 + 175 * rawvalue / 65535)
+ T in Kelvin = (228.15 + 175 * rawvalue / 65535)
given the relationship between Celsius and Kelvin.
@@ -771,7 +771,7 @@ sht4x_refresh(struct sysmon_envsys * sme
switch (edata->sensor) {
case SHT4X_TEMP_SENSOR:
svalptr = &rawdata[0];
- v1 = 22915; /* this is scaled up already from 229.15 */
+ v1 = 22815; /* this is scaled up already from 228.15 */
v2 = 175;
mul1 = 10000000000;
mul2 = 100000000;
