add thermal module

battery.c

@@ -3,36 +3,11 @@
 #include <unistd.h>
 
 #include "module.h"
+#include "file.c"
 #include "battery.h"
 
-void populate_buffer(char *buffer, char pattern) {
-	/* XXX: we assume the buffer is at least four bytes long */
-
-	int i;
-	for(i = 0; i < 3; i++) *(buffer + i) = pattern;
-	*(buffer + i + 1) = '\0';
-}
-
-
 int battery_update(struct module *module) {
 	char *filepath = BATTERY_PRE BATTERY_DIR BATTERY_CAP;
-	int i;
 
-	if (!access(filepath, F_OK) == 0) {
-		populate_buffer((char *)&module->buffer, '?');
-		return 1;
-	}
-
-	FILE *file = fopen(filepath, "r");
-	i = fread(&module->buffer, 1, MODULE_BUFFER_LEN, file);
-	module->buffer[i - 1] = '\0';
-
-	if(ferror(file)) {
-		populate_buffer((char *)&module->buffer, '!');
-		return 1;
-	}
-
-	module->buffer[i] = '\0';
-
-	return 0;
+	return read_file_into_buffer(filepath, (char *)&module->buffer, MODULE_BUFFER_LEN);
 }

battery.h

@@ -12,7 +12,6 @@
 #define BATTERY_PRE "/sys/class/power_supply/"
 #define BATTERY_CAP "/capacity"
 
-void populate_buffer(char *buffer, char pattern);
 int battery_module(struct module *module);
 
 #endif

file.c

@@ -0,0 +1,37 @@
+/* see LICENSE file for details on license */
+#ifndef TSTATUS_FILE_C
+
+#include "file.h"
+
+void populate_buffer(char *buffer, char pattern) {
+	/* XXX: we assume the buffer is at least four bytes long */
+
+	int i;
+	for(i = 0; i < 3; i++) *(buffer + i) = pattern;
+	*(buffer + i + 1) = '\0';
+}
+
+int read_file_into_buffer(char *filename, char *buffer, int length) {
+	int i;
+	if (!access(filename, F_OK) == 0) {
+		populate_buffer(buffer, '?');
+		return -1;
+	}
+
+	FILE *file = fopen(filename, "r");
+	i = fread(buffer, 1, length, file);
+	*(buffer + i - 1) = '\0';
+
+	if(ferror(file)) {
+		populate_buffer(buffer, '!');
+		return -1;
+	}
+
+	fclose(file);
+
+	*(buffer + i) = '\0';
+
+	return 0;
+}
+#endif
+#define TSTATUS_FILE_C

file.h

@@ -0,0 +1,8 @@
+/* see LICENSE file for details on license */
+#ifndef TSTATUS_FILE_H
+
+void populate_buffer(char *buffer, char pattern);
+int read_file_into_buffer(char *filename, char *buffer, ssize_t length);
+
+#endif
+#define TSTATUS_FILE_H

module.h

@@ -1,6 +1,6 @@
 /* see LICENSE file for details on license */
 #ifndef TSTATUS_MODULE_H
-#define MODULE_BUFFER_LEN 64
+#define MODULE_BUFFER_LEN 128
 struct module {
 	int update; /* update interval in seconds */
 	int termcode; /* update termcode */

thermal.c

@@ -0,0 +1,27 @@
+/* see LICENSE file for details on license */
+#include <stdio.h>
+#include <unistd.h>
+
+#include "module.h"
+#include "file.c"
+#include "thermal.h"
+
+int convert_milli_to_reg(int millidegree) {
+	return millidegree / 1000;
+}
+
+int thermal_update(struct module *module) {
+	char *filepath = THERMAL_PRE THERMAL_DIR THERMAL_TMP;
+	int i;
+
+	i = read_file_into_buffer(filepath, (char *)&module->buffer, MODULE_BUFFER_LEN);
+	if(i == -1) return i; /* indicate an error */
+
+	i = atoi((char *)&module->buffer);
+	if(!i) return -1;
+
+	i = convert_milli_to_reg(i);
+	snprintf((char *)&module->buffer, MODULE_BUFFER_LEN, "%i", i);
+
+	return 0;
+}

thermal.h

@@ -0,0 +1,18 @@
+/* see LICENSE file for details on license */
+#ifndef TSTATUS_THERMAL_H
+
+#ifdef FISH
+#define THERMAL_DIR "thermal_zone1"
+/* you can add other computer hostnames here */
+#else
+#define THERMAL_DIR "thermal_zone1"
+#endif
+
+#define THERMAL_PRE "/sys/class/thermal/"
+#define THERMAL_TMP "/temp"
+
+int convert_milli_to_reg(int millidegree);
+int thermal_update(struct module *module);
+
+#endif
+#define TSTATUS_THERMAL_H

tstatus.c

@@ -4,10 +4,12 @@
 #include "module.h"
 #include "bspwm.c"
 #include "battery.c"
+#include "thermal.c"
 
 struct module table[] = {
 	{0, 10, bspwm_update, {'\0'}},
 	{0, 10, battery_update, {'\0'}},
+	{0, 10, thermal_update, {'\0'}},
 };
 
 int main(void) {
@@ -17,5 +19,8 @@ int main(void) {
 	table[1].updatecallback(&table[1]);
 	printf("%s\n", table[1].buffer);
 
+	table[2].updatecallback(&table[2]);
+	printf("%s\n", table[2].buffer);
+
 	return 0;
 }