mirror of https://github.com/xzeldon/htop.git
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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htop - openbsd/Battery.c
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(C) 2015 Hisham H. Muhammad
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(C) 2015 Michael McConville
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Released under the GNU GPLv2, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "Battery.h"
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#include <sys/sysctl.h>
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#include <sys/sensors.h>
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#include <errno.h>
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#include <math.h>
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#include <string.h>
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static bool findDevice(const char* name, int* mib, struct sensordev* snsrdev, size_t* sdlen) {
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for (int devn = 0;; devn++) {
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mib[2] = devn;
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if (sysctl(mib, 3, snsrdev, sdlen, NULL, 0) == -1) {
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if (errno == ENXIO)
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continue;
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if (errno == ENOENT)
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return false;
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}
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if (strcmp(name, snsrdev->xname) == 0) {
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return true;
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}
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}
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}
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void Battery_getData(double* level, ACPresence* isOnAC) {
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static int mib[] = {CTL_HW, HW_SENSORS, 0, 0, 0};
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struct sensor s;
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size_t slen = sizeof(struct sensor);
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struct sensordev snsrdev;
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size_t sdlen = sizeof(struct sensordev);
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bool found = findDevice("acpibat0", mib, &snsrdev, &sdlen);
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*level = NAN;
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if (found) {
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/* last full capacity */
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mib[3] = 7;
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mib[4] = 0;
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double last_full_capacity = 0;
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if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) {
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last_full_capacity = s.value;
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}
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if (last_full_capacity > 0) {
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/* remaining capacity */
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mib[3] = 7;
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mib[4] = 3;
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if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) {
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double charge = s.value;
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*level = 100 * (charge / last_full_capacity);
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if (charge >= last_full_capacity) {
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*level = 100;
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}
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}
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}
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}
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found = findDevice("acpiac0", mib, &snsrdev, &sdlen);
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*isOnAC = AC_ERROR;
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if (found) {
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mib[3] = 9;
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mib[4] = 0;
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if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) {
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*isOnAC = s.value;
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}
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}
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}
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