spoon

commit e5f8bc81916adcaf337d83a4e89f2fd89c7238f5
parent 315c36f57ada6030ca250fb103df80d8fffadb51
Author: sin <sin@2f30.org>
Date:   Thu, 13 Oct 2016 16:03:11 +0100

Implement temperature plugin for Linux

Diffstat:
M
Makefile
 | 
3
++-
M
temp.c
 | 
14
+++++++++++++-

2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/Makefile b/Makefile
@@ -12,7 +12,8 @@ include config.mk
 CPPFLAGS_OpenBSD = -I/usr/X11R6/include -I/usr/local/include
 LDFLAGS_OpenBSD = -L/usr/X11R6/lib -L/usr/local/lib
 CPPFLAGS_Linux = -DPATH_BAT_CAP=\"/sys/class/power_supply/BAT0/capacity\"\
-                 -DPATH_AC_ONLINE=\"/sys/class/power_supply/AC/online\"
+                 -DPATH_AC_ONLINE=\"/sys/class/power_supply/AC/online\"\
+                 -DPATH_TEMP=\"/sys/class/hwmon/hwmon0/temp1_input\"
 CPPFLAGS = $(CPPFLAGS_$(UNAME))
 LDFLAGS = $(LDFLAGS_$(UNAME))
 LDLIBS = -lxkbfile -lX11 -lmpdclient
diff --git a/temp.c b/temp.c
@@ -1,3 +1,4 @@
+#include <err.h>
 #include <stddef.h>
 #include <stdio.h>
 
@@ -27,6 +28,17 @@ tempread(char *buf, size_t len)
 int
 tempread(char *buf, size_t len)
 {
-	return -1;
+	FILE *fp;
+	int temp;
+
+	fp = fopen(PATH_TEMP, "r");
+	if (fp == NULL) {
+		warn("fopen %s", PATH_TEMP);
+		return -1;
+	}
+	fscanf(fp, "%d", &temp);
+	fclose(fp);
+	snprintf(buf, len, "%ddegC", temp / 1000);
+	return 0;
 }
 #endif