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/************************************************************************
* This file is part of trayfreq. *
* *
* trayfreq is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published *
* by the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* trayfreq is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with trayfreq. If not, see <http://www.gnu.org/licenses/>. *
************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getfreq.h"
static void set_freq_max(char* freq, char* core)
{
char file_path[100];
sprintf(file_path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_max_freq", core);
FILE* fd = fopen(file_path, "w");
fprintf(fd, freq);
fclose(fd);
}
static void set_freq_min(char* freq, char* core)
{
char file_path[100];
sprintf(file_path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_min_freq", core);
FILE* fd = fopen(file_path, "w");
fprintf(fd, freq);
fclose(fd);
}
static void set_speed(char* freq, char* core)
{
char file_path[100];
sprintf(file_path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_setspeed", core);
FILE* fd = fopen(file_path, "w");
fprintf(fd, freq);
fclose(fd);
}
void set_gov(char* gov, char* core)
{
char file_path[100];
sprintf(file_path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_governor", core);
FILE* fd = fopen(file_path, "w");
fprintf(fd, gov);
fclose(fd);
}
void set_freq(char* freq, char* core)
{
set_gov("userspace", core);
set_speed(freq, core);
}
int main(int argc, char *argv[])
{
gc_init();
gf_init();
if(!argv[1])
{
printf("Use -g to set the governor or -f to set the frequency.\n");
}
else if(strcmp(argv[1], "-g") == 0)
{
if(!argv[2])
printf("Pass the governor to set after the -g.\n");
else
{
if(!argv[3])
printf("Use -c to set the core.\n");
else if(strcmp(argv[3], "-c") == 0)
{
if(!argv[4])
printf("Pass the core to set after the -c.\n");
else
set_gov(argv[2], argv[4]);
} else
printf("Use -c to set the core.\n");
}
}
else if(strcmp(argv[1], "-f") == 0)
{
if(!argv[2])
{
printf("Pass the frequency to set after the -f.\n");
} else {
if(!argv[3])
{
printf("Use -c to set the core.\n");
} else if(strcmp(argv[3], "-c") == 0)
{
if(!argv[4])
printf("Pass the core to set after the -c.\n");
else
set_freq(argv[2], argv[4]);
} else {
printf("Use -c to set the core.\n");
}
}
} else {
printf("Use -g to set the governor or -f to set the frequency.\n");
}
return 0;
}
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