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author | David <dbphillipsnz@gmail.com> | 2014-02-13 19:00:50 +1300 |
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committer | David <dbphillipsnz@gmail.com> | 2014-02-13 19:00:50 +1300 |
commit | 68f5774cb6a8a8a31f6f530b99fdcb7f1c5695fa (patch) | |
tree | 5b30d5b911ad1210031b62328b9a503fd1d70155 /src/getfreq.c | |
download | paramano-68f5774cb6a8a8a31f6f530b99fdcb7f1c5695fa.tar.xz |
First commit, only original (broken) source
Diffstat (limited to 'src/getfreq.c')
-rw-r--r-- | src/getfreq.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/getfreq.c b/src/getfreq.c new file mode 100644 index 0000000..27c8162 --- /dev/null +++ b/src/getfreq.c @@ -0,0 +1,127 @@ +/************************************************************************ + * 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 "getfreq.h" +#include "getcore.h" +#include "math.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <glib.h> + +/* [CORE][FREQUENCY NUMBER] */ +char AVAILABLE_FREQUENCIES[999][50][13]; +int NUMBER_OF_AVAILABLE_FREQUENCIES; + +void gf_init() +{ + gchar freq_string[500]; + + int i = 0; + int j = 0; + for(i = 0; i < gc_number(); ++i) + { + memset(freq_string, '\0', 500); + gf_available(i, freq_string, 500); + + /* go through every frequency in freq_string */ + j = 0; + gchar* curr = &freq_string[0]; + gchar* end_of_curr = g_strstr_len(curr, strlen(curr), " "); + while(end_of_curr) + { + memset(AVAILABLE_FREQUENCIES[i][j], '\0', 13); + memmove(AVAILABLE_FREQUENCIES[i][j], curr, end_of_curr - curr); + + curr = end_of_curr+1; + end_of_curr = g_strstr_len(curr, strlen(curr), " "); + ++j; + } + } + NUMBER_OF_AVAILABLE_FREQUENCIES = j; +} + +int gf_current(int core) +{ + FILE* fd; + char buff[13]; + char path[80]; + char corestr[4]; + int freq; + + sprintf(corestr, "%i", core); + + sprintf(path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_cur_freq", corestr); + + if(!(fd = fopen(path, "r"))) + return -1; + + fgets(buff, 13, fd); + + freq = atoi(buff); + fclose(fd); + return freq; +} + +int gf_available(int core, char* out, int size) +{ + FILE* fd; + char path[80]; + char corestr[4]; + + sprintf(corestr, "%i", core); + + sprintf(path, "/sys/devices/system/cpu/cpu%s/cpufreq/scaling_available_frequencies", corestr); + + if(!(fd = fopen(path, "r"))) + return -1; + + fgets(out, size, fd); + + fclose(fd); + return 0; +} + +void gf_get_frequency_label(int freq, char* out) +{ + int i = 0; + while(freq/pow(10, i) >= 1) + { + ++i; + } + + if(i == 7) + sprintf(out, "%.2f GHz", freq/pow(10, i-1)); + else + sprintf(out, "%.2d MHz", freq/1000); +} + +char* gf_freqa(int core, int index) +{ + return AVAILABLE_FREQUENCIES[core][index]; +} + +int gf_freqi(int core, int index) +{ + return atoi(gf_freqa(core, index)); +} + +int gf_number() +{ + return NUMBER_OF_AVAILABLE_FREQUENCIES; +} |