Module Name: src
Committed By: brad
Date: Thu Nov 24 21:07:05 UTC 2022
Modified Files:
src/sys/dev/i2c: bmx280.c
Log Message:
Mention where in the datasheet the compensation algorithms came from.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/dev/i2c/bmx280.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/bmx280.c
diff -u src/sys/dev/i2c/bmx280.c:1.3 src/sys/dev/i2c/bmx280.c:1.4
--- src/sys/dev/i2c/bmx280.c:1.3 Wed Nov 23 23:45:29 2022
+++ src/sys/dev/i2c/bmx280.c Thu Nov 24 21:07:05 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: bmx280.c,v 1.3 2022/11/23 23:45:29 brad Exp $ */
+/* $NetBSD: bmx280.c,v 1.4 2022/11/24 21:07:05 brad Exp $ */
/*
* Copyright (c) 2022 Brad Spencer <[email protected]>
@@ -17,7 +17,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bmx280.c,v 1.3 2022/11/23 23:45:29 brad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bmx280.c,v 1.4 2022/11/24 21:07:05 brad Exp $");
/*
Driver for the Bosch BMP280/BME280 temperature, humidity (sometimes) and
@@ -643,8 +643,13 @@ out:
sc->sc_sme = NULL;
}
-/* The conversion algorithms are taken from the Bosch datasheet for
- * the BMX280 and adapted to the envsys infrastructure.
+/* The conversion algorithms are taken from the BMP280 datasheet. The
+ * same algorithms are used with the BME280.
+ *
+ * https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmp280-ds001.pdf
+ *
+ * Section 3.11.3, page 21
+ *
*/
static int32_t
