109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
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#define DEBUG(x) x
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <sensors.h>
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#include "temp.h"
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static FILE *f = NULL;
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static char sensors = 0;
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static const sensors_chip_name *chip_name = NULL;
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static const sensors_feature *feature;
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char *cpu_feature_name = "temp1_input";
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char *sys_feature_name = "temp2_input";
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temperature_t t_type = CELCIUS;
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static int cpu_feature = 0;
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static int sys_feature = 0;
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void temp_deinit() {
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if (f != NULL) {
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fclose(f);
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}
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if (sensors) {
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sensors_cleanup();
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}
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}
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void temp_init(const char *filename) {
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const sensors_chip_name *name;
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int chip_nr = 0, f1, f2;
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char str[256];
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char *feattext = NULL;
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const sensors_subfeature *subfeature;
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atexit(temp_deinit);
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if (filename) {
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f = fopen(filename, "r");
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if (f == NULL) {
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fprintf(stderr, "could not open configfile %s: %s\n", filename,
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strerror(errno));
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exit(1);
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}
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}
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if (sensors_init(f)) {
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fprintf(stderr, "could not initialize sensors\n");
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exit(1);
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}
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sensors = 1;
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while ((name = sensors_get_detected_chips(NULL, &chip_nr)) != NULL &&
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chip_name == NULL) {
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f1 = f2 = 0;
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DEBUG(printf("chip_nr=%d %d\n",chip_nr,__LINE__);)
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sensors_snprintf_chip_name(str, 256, name);
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DEBUG(printf("chip name = %s (%d)\n",str,__LINE__);)
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while ((feature = sensors_get_features( name, &f1)) != NULL) {
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feattext = sensors_get_label( name, feature );
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DEBUG(printf("f1=%d feattext=%s (%d) \n",f1,feattext,__LINE__);)
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if ( (subfeature = sensors_get_subfeature (name, feature, SENSORS_SUBFEATURE_TEMP_INPUT)) ) {
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DEBUG(printf("subfeature name =%s (%d) \n",subfeature->name,__LINE__);)
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if (strcmp(subfeature->name, cpu_feature_name) == 0) {
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cpu_feature = subfeature->number;
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chip_name = name;
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}
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else if (strcmp(subfeature->name, sys_feature_name) == 0) {
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sys_feature = subfeature->number;
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}
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}
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}
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}
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if (chip_name == NULL) {
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fprintf(stderr, "could not find a suitable chip\n");
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exit(1);
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}
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}
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void temp_getusage(unsigned int *cpu_temp, unsigned int *sys_temp) {
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double cpu, sys;
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sensors_get_value(chip_name, cpu_feature, &cpu);
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sensors_get_value(chip_name, sys_feature, &sys);
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if (t_type == FAHRENHEIT) {
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cpu = TO_FAHRENHEIT(cpu);
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sys = TO_FAHRENHEIT(sys);
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} else if (t_type == KELVIN) {
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cpu = TO_KELVIN(cpu);
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sys = TO_KELVIN(sys);
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}
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*cpu_temp = (unsigned int)(cpu);
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*sys_temp = (unsigned int)(sys);
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}
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