Change default polling_interval to 1

This allows mbpfan to react more quickly to changing workloads and
avoid CPU throttling.  Also change unit test expectations.
Fixes #159.

Author: gaul

mbpfan.conf

@@ -15,4 +15,4 @@
 low_temp = 63			# try ranges 55-63, default is 63
 high_temp = 66			# try ranges 58-66, default is 66
 max_temp = 86			# take highest number returned by "cat /sys/devices/platform/coretemp.*/hwmon/hwmon*/temp*_max", divide by 1000
-polling_interval = 7	# default is 7 seconds
+polling_interval = 1	# default is 1 seconds

mbpfan.conf.test0

@@ -5,4 +5,4 @@ max_fan1_speed = 6200	# put the *highest* value of "cat /sys/devices/platform/ap
 low_temp = 63			# try ranges 55-63, default is 63
 high_temp = 66			# try ranges 58-66, default is 66
 max_temp = 86			# take highest number returned by "cat /sys/devices/platform/coretemp.*/hwmon/hwmon*/temp*_max", divide by 1000
-polling_interval = 7	# default is 7 seconds
+polling_interval = 7	# default is 1 second

mbpfan.conf.test1

@@ -4,4 +4,4 @@ max_fan1_speed = 6200	# default is 6200
 low_temp = 63			# try ranges 55-63, default is 63
 high_temp = 66			# try ranges 58-66, default is 66
 max_temp = 86			# do not set it > 90, default is 86
-polling_interval = 1	# default is 7
+polling_interval = 2	# default is 1 second

mbpfan.conf.test2

@@ -4,4 +4,4 @@ min_fan2_speed = 2000	# default is 6200
 low_temp = 63			# try ranges 55-63, default is 63
 high_temp = 66			# try ranges 58-66, default is 66
 max_temp = 86			# do not set it > 90, default is 86
-polling_interval = 1	# default is 7
+polling_interval = 1	# default is 1 second

src/mbpfan.c

@@ -63,7 +63,7 @@ int max_temp = 86;   // do not set it > 90
 #define NUM_MIN_FAN_SPEED_DEFAULT 2000
 #define NUM_MAX_FAN_SPEED_DEFAULT 6200
 
-int polling_interval = 7;
+int polling_interval = 1;
 
 t_sensors* sensors = NULL;
 t_fans* fans = NULL;

src/minunit.c

@@ -136,7 +136,7 @@ static const char *test_settings()
 
     retrieve_settings("./mbpfan.conf.test1", fan);
     mu_assert("max_fan_speed value is not 6200", fan->fan_max_speed == 6200);
-    mu_assert("polling_interval is not 1", polling_interval == 1);
+    mu_assert("polling_interval is not 2", polling_interval == 2);
 
     fan->fan_min_speed = -1;
     retrieve_settings("./mbpfan.conf.test0", fan);
@@ -200,10 +200,10 @@ static const char *test_settings_reload()
     retrieve_settings("./mbpfan.conf", fan);
     printf("Testing the _supplied_ mbpfan.conf (not the one you are using)..\n");
     // cannot tests min_fan_speed since it is not set and thus auto-detected
-    mu_assert("polling_interval is not 7 before SIGHUP", polling_interval == 7);
+    mu_assert("polling_interval is not 1 before SIGHUP", polling_interval == 1);
     raise(SIGHUP);
     mu_assert("min_fan_speed value is not 6200 after SIGHUP", fan->fan_min_speed == 6200);
-    mu_assert("polling_interval is not 1 after SIGHUP", polling_interval == 1);
+    mu_assert("polling_interval is not 2 after SIGHUP", polling_interval == 2);
     retrieve_settings("./mbpfan.conf", fan);
     free(fan);
     return 0;