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-rw-r--r--cputemp2maxfreq.c50
1 files changed, 39 insertions, 11 deletions
diff --git a/cputemp2maxfreq.c b/cputemp2maxfreq.c
index ebf5026..b023b79 100644
--- a/cputemp2maxfreq.c
+++ b/cputemp2maxfreq.c
@@ -10,17 +10,11 @@
#include "cputemp2maxfreq.h"
#include "failsafe.h"
#include "version.h"
+#include "argparse.h"
-// Valid frequencies are between 100MHz and 10GHz
-#define VALID_FREQ_MIN 100000
-#define VALID_FREQ_MAX 10000000
-
-// Valid temperatures are between 10 and 150 degrees
-#define VALID_TEMP_MIN 10000
-#define VALID_TEMP_MAX 150000
-
-struct s_cpudata cpudata;
+// Set default config
struct s_config config={"conservative",70000,"/sys/devices/virtual/thermal/thermal_zone0/temp",100000,2000000,10};
+struct s_cpudata cpudata;
void signal_handler(int signum)
{
@@ -28,12 +22,13 @@ void signal_handler(int signum)
failsafe(0);
}
-int main()
+int main(int argc,char **argv)
{
long int diff;
long int newfreq;
printf("Version %s, buildtime %s %s\n",version(),__DATE__,__TIME__);
+ argparse(argc,argv);
// Print configuration
printf("Configuration:\n");
@@ -43,16 +38,37 @@ int main()
printf("Frequency step: %ld\n",config.freq_step);
printf("Fallback frquency: %ld\n",config.fallback_freq);
printf("Interval: %d\n",config.interval);
+ printf("\n");
+
+ if ((config.max_temp<VALID_TEMP_MIN) || (config.max_temp>VALID_TEMP_MAX))
+ {
+ printf("Invalid temperature, range is %d-%d\n",VALID_TEMP_MIN,VALID_TEMP_MAX);
+ exit(1);
+ }
+
+ if ((config.freq_step<VALID_STEP_MIN) || (config.freq_step>VALID_STEP_MAX))
+ {
+ printf("Invalid frequency step, range is %d-%d\n",VALID_STEP_MIN,VALID_STEP_MAX);
+ exit(1);
+ }
+
+ if ((config.interval<VALID_INTERVAL_MIN) || (config.interval>VALID_INTERVAL_MAX))
+ {
+ printf("Invalid poll interval, range is %d-%d\n",VALID_INTERVAL_MIN,VALID_INTERVAL_MAX);
+ exit(1);
+
+ }
// Get and validate CPU data
cpudata.min_freq=sysfs_read_long_int("/sys/devices/system/cpu/cpufreq/policy0/cpuinfo_min_freq");
cpudata.max_freq=sysfs_read_long_int("/sys/devices/system/cpu/cpufreq/policy0/cpuinfo_max_freq");
cpudata.scale_max=sysfs_read_long_int("/sys/devices/system/cpu/cpufreq/policy0/scaling_max_freq");
- printf("\nCPU data:\n");
+ printf("CPU data:\n");
printf("Minimum frequency: %ld\n",cpudata.min_freq);
printf("Maximum frequency: %ld\n",cpudata.max_freq);
printf("Scaling maximum frequency: %ld\n",cpudata.scale_max);
+ printf("\n");
if ((cpudata.min_freq<VALID_FREQ_MIN) || (cpudata.min_freq>VALID_FREQ_MAX) ||
(cpudata.max_freq<VALID_FREQ_MIN) || (cpudata.max_freq>VALID_FREQ_MAX) ||
@@ -63,6 +79,18 @@ int main()
exit(1);
}
+// Modify fallback frequency is needed
+ if (config.fallback_freq<cpudata.min_freq)
+ {
+ printf("Fallback frequency is lower than CPU's minimum frequency, setting to %ld.\n",cpudata.min_freq);
+ config.fallback_freq=cpudata.min_freq;
+ }
+ if (config.fallback_freq>cpudata.max_freq)
+ {
+ printf("Fallback frequency is higher than CPU's maximum frequency, setting to %ld.\n",cpudata.max_freq);
+ config.fallback_freq=cpudata.max_freq;
+ }
+
// Set the governor
if (cpufreq_set_str("scaling_governor",config.governor,0)<0)
{