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