Files
lm-sensors/prog/sensord/chips.c
T
2007-09-20 21:22:42 +00:00

380 lines
11 KiB
C

/*
* sensord
*
* A daemon that periodically logs sensor information to syslog.
*
* Copyright (c) 1999-2002 Merlin Hughes <merlin@merlin.org>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sensord.h"
/* TODO: Temp in C/F */
/** formatters **/
static char buff[4096];
static const char *
fmtExtra
(int alarm, int beep) {
if (alarm)
sprintf (buff + strlen (buff), " [ALARM]");
if (beep)
sprintf (buff + strlen (buff), " (beep)");
return buff;
}
static const char *
fmtTemps_1
(const double values[], int alarm, int beep) {
sprintf (buff, "%.1f C (limit = %.1f C, hysteresis = %.1f C)", values[0], values[1], values[2]);
return fmtExtra (alarm, beep);
}
static const char *
fmtTemps_minmax_1
(const double values[], int alarm, int beep) {
sprintf (buff, "%.1f C (min = %.1f C, max = %.1f C)", values[0], values[1], values[2]);
return fmtExtra (alarm, beep);
}
static const char *
fmtTemp_only
(const double values[], int alarm, int beep) {
sprintf (buff, "%.1f C", values[0]);
return fmtExtra (alarm, beep);
}
static const char *
fmtVolt_2
(const double values[], int alarm, int beep) {
sprintf (buff, "%+.2f V", values[0]);
return fmtExtra (alarm, beep);
}
static const char *
fmtVolt_3
(const double values[], int alarm, int beep) {
sprintf (buff, "%+.3f V", values[0]);
return fmtExtra (alarm, beep);
}
static const char *
fmtVolts_2
(const double values[], int alarm, int beep) {
sprintf (buff, "%+.2f V (min = %+.2f V, max = %+.2f V)", values[0], values[1], values[2]);
return fmtExtra (alarm, beep);
}
static const char *
fmtFans_0
(const double values[], int alarm, int beep) {
sprintf (buff, "%.0f RPM (min = %.0f RPM, div = %.0f)", values[0], values[1], values[2]);
return fmtExtra (alarm, beep);
}
static const char *
fmtFans_nodiv_0
(const double values[], int alarm, int beep) {
sprintf (buff, "%.0f RPM (min = %.0f RPM)", values[0], values[1]);
return fmtExtra (alarm, beep);
}
static const char *
fmtFan_only
(const double values[], int alarm, int beep) {
sprintf (buff, "%.0f RPM", values[0]);
return fmtExtra (alarm, beep);
}
static const char *
fmtSoundAlarm
(const double values[], int alarm, int beep) {
sprintf (buff, "Sound alarm %s", (values[0] < 0.5) ? "disabled" : "enabled");
return fmtExtra (alarm, beep);
}
static const char *
rrdF0
(const double values[]) {
sprintf (buff, "%.0f", values[0]);
return buff;
}
static const char *
rrdF1
(const double values[]) {
sprintf (buff, "%.1f", values[0]);
return buff;
}
static const char *
rrdF2
(const double values[]) {
sprintf (buff, "%.2f", values[0]);
return buff;
}
static const char *
rrdF3
(const double values[]) {
sprintf (buff, "%.3f", values[0]);
return buff;
}
static void getAvailableFeatures (const sensors_chip_name *name,
const sensors_feature_data *feature,
int i, short *has_features,
int *feature_nrs, int size,
int first_val)
{
const sensors_feature_data *iter;
while ((iter = sensors_get_all_features (name, &i)) &&
iter->mapping == feature->number) {
int index0;
index0 = iter->type - first_val - 1;
if (index0 < 0 || index0 >= size)
/* New feature in libsensors? Ignore. */
continue;
has_features[index0] = 1;
feature_nrs[index0] = iter->number;
}
}
#define IN_FEATURE(x) has_features[x - SENSORS_FEATURE_IN - 1]
#define IN_FEATURE_NR(x) feature_nrs[x - SENSORS_FEATURE_IN - 1]
static void fillChipVoltage (FeatureDescriptor *voltage,
const sensors_chip_name *name,
const sensors_feature_data *feature, int i)
{
const int size = SENSORS_FEATURE_IN_MAX_ALARM - SENSORS_FEATURE_IN;
short has_features[SENSORS_FEATURE_IN_MAX_ALARM - SENSORS_FEATURE_IN] = { 0, };
int feature_nrs[SENSORS_FEATURE_IN_MAX_ALARM - SENSORS_FEATURE_IN];
int pos = 0;
voltage->rrd = rrdF2;
voltage->type = DataType_voltage;
voltage->dataNumbers[pos++] = feature->number;
getAvailableFeatures (name, feature, i, has_features,
feature_nrs, size, SENSORS_FEATURE_IN);
if (IN_FEATURE(SENSORS_FEATURE_IN_MIN) &&
IN_FEATURE(SENSORS_FEATURE_IN_MAX)) {
voltage->format = fmtVolts_2;
voltage->dataNumbers[pos++] = IN_FEATURE_NR(SENSORS_FEATURE_IN_MIN);
voltage->dataNumbers[pos++] = IN_FEATURE_NR(SENSORS_FEATURE_IN_MAX);
} else {
voltage->format = fmtVolt_2;
}
/* terminate the list */
voltage->dataNumbers[pos] = -1;
/* alarm if applicable */
if (IN_FEATURE(SENSORS_FEATURE_IN_ALARM)) {
voltage->alarmNumber = IN_FEATURE_NR(SENSORS_FEATURE_IN_ALARM);
} else if (IN_FEATURE(SENSORS_FEATURE_IN_MIN_ALARM)) {
voltage->alarmNumber = IN_FEATURE_NR(SENSORS_FEATURE_IN_MIN_ALARM);
} else if (IN_FEATURE(SENSORS_FEATURE_IN_MAX_ALARM)) {
voltage->alarmNumber = IN_FEATURE_NR(SENSORS_FEATURE_IN_MAX_ALARM);
} else {
voltage->alarmNumber = -1;
}
/* beep support missing for now */
voltage->beepNumber = -1;
}
#define TEMP_FEATURE(x) has_features[x - SENSORS_FEATURE_TEMP - 1]
#define TEMP_FEATURE_NR(x) feature_nrs[x - SENSORS_FEATURE_TEMP - 1]
static void fillChipTemperature (FeatureDescriptor *temperature,
const sensors_chip_name *name,
const sensors_feature_data *feature, int i)
{
const int size = SENSORS_FEATURE_TEMP_TYPE - SENSORS_FEATURE_TEMP;
short has_features[SENSORS_FEATURE_TEMP_TYPE - SENSORS_FEATURE_TEMP] = { 0, };
int feature_nrs[SENSORS_FEATURE_TEMP_TYPE - SENSORS_FEATURE_TEMP];
int pos = 0;
temperature->rrd = rrdF1;
temperature->type = DataType_temperature;
temperature->dataNumbers[pos++] = feature->number;
getAvailableFeatures (name, feature, i, has_features,
feature_nrs, size, SENSORS_FEATURE_TEMP);
if (TEMP_FEATURE(SENSORS_FEATURE_TEMP_MIN) &&
TEMP_FEATURE(SENSORS_FEATURE_TEMP_MAX)) {
temperature->format = fmtTemps_minmax_1;
temperature->dataNumbers[pos++] = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_MIN);
temperature->dataNumbers[pos++] = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_MAX);
} else if (TEMP_FEATURE(SENSORS_FEATURE_TEMP_MAX) &&
TEMP_FEATURE(SENSORS_FEATURE_TEMP_MAX_HYST)) {
temperature->format = fmtTemps_1;
temperature->dataNumbers[pos++] = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_MAX);
temperature->dataNumbers[pos++] = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_MAX_HYST);
} else {
temperature->format = fmtTemp_only;
}
/* terminate the list */
temperature->dataNumbers[pos] = -1;
/* alarm if applicable */
if (TEMP_FEATURE(SENSORS_FEATURE_TEMP_ALARM)) {
temperature->alarmNumber = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_ALARM);
} else if (TEMP_FEATURE(SENSORS_FEATURE_TEMP_MAX_ALARM)) {
temperature->alarmNumber = TEMP_FEATURE_NR(SENSORS_FEATURE_TEMP_MAX_ALARM);
} else {
temperature->alarmNumber = -1;
}
/* beep support missing for now */
temperature->beepNumber = -1;
}
#define FAN_FEATURE(x) has_features[x - SENSORS_FEATURE_FAN - 1]
#define FAN_FEATURE_NR(x) feature_nrs[x - SENSORS_FEATURE_FAN - 1]
static void fillChipFan (FeatureDescriptor *fan,
const sensors_chip_name *name,
const sensors_feature_data *feature, int i)
{
const int size = SENSORS_FEATURE_FAN_DIV - SENSORS_FEATURE_FAN;
short has_features[SENSORS_FEATURE_FAN_DIV - SENSORS_FEATURE_FAN] = { 0, };
int feature_nrs[SENSORS_FEATURE_FAN_DIV - SENSORS_FEATURE_FAN];
int pos = 0;
fan->rrd = rrdF0;
fan->type = DataType_rpm;
fan->dataNumbers[pos++] = feature->number;
getAvailableFeatures (name, feature, i, has_features,
feature_nrs, size, SENSORS_FEATURE_FAN);
if (FAN_FEATURE(SENSORS_FEATURE_FAN_MIN)) {
fan->dataNumbers[pos++] = FAN_FEATURE_NR(SENSORS_FEATURE_FAN_MIN);
if (FAN_FEATURE(SENSORS_FEATURE_FAN_DIV)) {
fan->format = fmtFans_0;
fan->dataNumbers[pos++] = FAN_FEATURE_NR(SENSORS_FEATURE_FAN_DIV);
} else {
fan->format = fmtFans_nodiv_0;
}
} else {
fan->format = fmtFan_only;
}
/* terminate the list */
fan->dataNumbers[pos] = -1;
/* alarm if applicable */
if (FAN_FEATURE(SENSORS_FEATURE_FAN_ALARM)) {
fan->alarmNumber = FAN_FEATURE_NR(SENSORS_FEATURE_FAN_ALARM);
} else {
fan->alarmNumber = -1;
}
/* beep support missing for now */
fan->beepNumber = -1;
}
static void fillChipVid (FeatureDescriptor *vid,
const sensors_feature_data *feature)
{
vid->format = fmtVolt_3;
vid->rrd = rrdF3;
vid->type = DataType_voltage;
vid->alarmNumber = -1;
vid->beepNumber = -1;
vid->dataNumbers[0] = feature->number;
vid->dataNumbers[1] = -1;
}
static void fillChipBeepEnable (FeatureDescriptor *beepen,
const sensors_feature_data *feature)
{
beepen->format = fmtSoundAlarm;
beepen->rrd = rrdF0;
beepen->type = DataType_other;
beepen->alarmNumber = -1;
beepen->beepNumber = -1;
beepen->dataNumbers[0] = feature->number;
beepen->dataNumbers[1] = -1;
}
/* Note that alarms and beeps are no longer (or not yet) supported */
ChipDescriptor * generateChipDescriptor (const sensors_chip_name *chip)
{
int nr, count = 1;
const sensors_feature_data *sensor;
ChipDescriptor *descriptor;
FeatureDescriptor *features;
/* How many main features do we have? */
nr = 0;
while ((sensor = sensors_get_all_features(chip, &nr))) {
if (sensor->mapping == SENSORS_NO_MAPPING)
count++;
}
/* Allocate the memory we need */
descriptor = calloc(1, sizeof(ChipDescriptor));
features = calloc(count, sizeof(FeatureDescriptor));
if (!descriptor || !features) {
free(descriptor);
free(features);
return NULL;
}
descriptor->features = features;
/* Fill in the data structures */
count = 0;
nr = 0;
while ((sensor = sensors_get_all_features(chip, &nr))) {
if (sensor->mapping != SENSORS_NO_MAPPING)
continue;
switch (sensor->type) {
case SENSORS_FEATURE_TEMP:
fillChipTemperature(&features[count], chip, sensor, nr);
break;
case SENSORS_FEATURE_IN:
fillChipVoltage(&features[count], chip, sensor, nr);
break;
case SENSORS_FEATURE_FAN:
fillChipFan(&features[count], chip, sensor, nr);
break;
case SENSORS_FEATURE_VID:
fillChipVid(&features[count], sensor);
break;
case SENSORS_FEATURE_BEEP_ENABLE:
fillChipBeepEnable(&features[count], sensor);
break;
default:
continue;
}
count++;
}
return descriptor;
}