/********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "power.h" #if defined(QT_QWS_SL5XXX) || defined(QT_QWS_RAMSES) #include "custom.h" #endif #include <unistd.h> #include <stdlib.h> #include <stdio.h> #include <fcntl.h> #include <sys/ioctl.h> #ifdef QT_QWS_IPAQ_NO_APM #include <linux/h3600_ts.h> #endif PowerStatusManager *PowerStatusManager::powerManager = 0; PowerStatus *PowerStatusManager::ps = 0; static bool haveProcApm = false; PowerStatusManager::PowerStatusManager() { powerManager = this; ps = new PowerStatus; FILE *f = fopen("/proc/apm", "r"); if ( f ) { fclose(f); haveProcApm = TRUE; } } const PowerStatus &PowerStatusManager::readStatus() { if ( !powerManager ) (void)new PowerStatusManager; powerManager->getStatus(); return *ps; } // Standard /proc/apm reader bool PowerStatusManager::getProcApmStatus( int &ac, int &bs, int &bf, int &pc, int &sec ) { bool ok = false; ac = 0xff; bs = 0xff; bf = 0xff; pc = -1; sec = -1; FILE *f = fopen("/proc/apm", "r"); if ( f ) { //I 1.13 1.2 0x02 0x00 0xff 0xff 49% 147 sec char u; fscanf(f, "%*[^ ] %*d.%*d 0x%*x 0x%x 0x%x 0x%x %d%% %i %c", &ac, &bs, &bf, &pc, &sec, &u); fclose(f); switch ( u ) { case 'm': sec *= 60; case 's': break; // ok default: sec = -1; // unknown } // extract data switch ( bs ) { case 0x00: ps->bs = PowerStatus::High; break; case 0x01: ps->bs = PowerStatus::Low; break; case 0x7f: ps->bs = PowerStatus::VeryLow; break; case 0x02: ps->bs = PowerStatus::Critical; break; case 0x03: ps->bs = PowerStatus::Charging; break; case 0x04: case 0xff: // 0xff is Unknown but we map to NotPresent default: ps->bs = PowerStatus::NotPresent; break; } switch ( ac ) { case 0x00: ps->ac = PowerStatus::Offline; break; case 0x01: ps->ac = PowerStatus::Online; break; case 0x02: ps->ac = PowerStatus::Backup; break; } if ( pc > 100 ) pc = 100; if ( pc < 0 ) pc = 0; ps->percentRemain = pc; ps->secsRemain = sec; ok = true; } return ok; } void PowerStatusManager::getStatus() { bool usedApm = FALSE; ps->percentAccurate = TRUE; // Some iPAQ kernel builds don't have APM. If this is not the case we // save ourselves an ioctl by testing if /proc/apm exists in the // constructor and we use /proc/apm instead int ac, bs, bf, pc, sec; if ( haveProcApm ) usedApm = getProcApmStatus( ac, bs, bf, pc, sec ); if ( !usedApm ) { #ifdef QT_QWS_IPAQ_NO_APM int fd; int err; struct bat_dev batt_info; memset(&batt_info, 0, sizeof(batt_info)); fd = ::open("/dev/ts",O_RDONLY); if( fd < 0 ) return; ioctl(fd, GET_BATTERY_STATUS, &batt_info); ac_status = batt_info.ac_status; ps->percentRemain = ( 425 * batt_info.batt1_voltage ) / 1000 - 298; // from h3600_ts.c ps->secsRemain = -1; // seconds is bogus on iPAQ ::close (fd); #else ps->percentRemain = 100; ps->secsRemain = -1; ps->percentAccurate = FALSE; #endif } }