system.h

/* -*- mode: C; c-basic-offset: 4; intent-tabs-mode: nil -*-
 *
 * Sifteo SDK
 *
 * Copyright <c> 2012 Sifteo, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#pragma once
#ifdef NOT_USERSPACE
#   error This is a userspace-only header, not allowed by the current build.
#endif

#include <sifteo/abi.h>
#include <sifteo/macros.h>

namespace Sifteo {

class System {
 public:
    
    enum HardwareVersion {
        HardwareNone    = _SYS_HW_VERSION_NONE,     
        HardwareGen2    = _SYS_HW_VERSION_GEN_2,    
        HardwareGen2_5  = _SYS_HW_VERSION_GEN_2_5   
    };

    static void exit() {
        _SYS_exit();
    }

    static void abort() {
        _SYS_abort();
    }

    static void yield() {
        _SYS_yield();
    }

    static void paint() {
        _SYS_paint();
    }

    static void paintUnlimited() {
        _SYS_paintUnlimited();
    }

    static void finish() {
        _SYS_finish();
    }

    static bool isDebug() {
        return _SYS_lti_isDebug();
    }

    static bool isSimDebug()
    {
        unsigned flag = 0;
        SCRIPT_FMT(LUA, "Runtime():poke(%p, 1)", &flag);
        return flag;
    }

    static float batteryLevel() {
        return _SYS_sysBatteryLevel() / float(_SYS_BATTERY_MAX);
    }

    static void shutdown(bool now = false) {
        return _SYS_shutdown(now ? 0 : _SYS_SHUTDOWN_WITH_UI);
    }

    static void keepAwake() {
        _SYS_keepAwake();
    }

    static void setCubeRange(unsigned minimum, unsigned maximum) {
        _SYS_setCubeRange(minimum, maximum);
    }

    static void setCubeRange(unsigned count) {
        _SYS_setCubeRange(count, count);
    }

    static uint32_t osVersion() {

        if ((_SYS_getFeatures() & _SYS_FEATURE_SYS_VERSION) != 0) {
            return _SYS_version() & _SYS_OS_VERSION_MASK;
        }

        return _SYS_OS_VERSION_NONE;
    }

    static uint8_t hardwareVersion() {

        if ((_SYS_getFeatures() & _SYS_FEATURE_SYS_VERSION) != 0) {
            return _SYS_version() >> _SYS_HW_VERSION_SHIFT;
        }

        return _SYS_HW_VERSION_NONE;
    }
};

}   // namespace Sifteo