| [1505] | 1 | /* | 
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|  | 2 | The zlib/libpng License | 
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|  | 3 |  | 
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|  | 4 | Copyright (c) 2005-2007 Phillip Castaneda (pjcast -- www.wreckedgames.com) | 
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|  | 5 |  | 
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|  | 6 | This software is provided 'as-is', without any express or implied warranty. In no event will | 
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|  | 7 | the authors be held liable for any damages arising from the use of this software. | 
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|  | 8 |  | 
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|  | 9 | Permission is granted to anyone to use this software for any purpose, including commercial | 
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|  | 10 | applications, and to alter it and redistribute it freely, subject to the following | 
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|  | 11 | restrictions: | 
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|  | 12 |  | 
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|  | 13 | 1. The origin of this software must not be misrepresented; you must not claim that | 
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|  | 14 | you wrote the original software. If you use this software in a product, | 
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|  | 15 | an acknowledgment in the product documentation would be appreciated but is | 
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|  | 16 | not required. | 
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|  | 17 |  | 
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|  | 18 | 2. Altered source versions must be plainly marked as such, and must not be | 
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|  | 19 | misrepresented as being the original software. | 
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|  | 20 |  | 
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|  | 21 | 3. This notice may not be removed or altered from any source distribution. | 
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|  | 22 | */ | 
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|  | 23 | #include "linux/LinuxForceFeedback.h" | 
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|  | 24 | #include "OISException.h" | 
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|  | 25 |  | 
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| [5695] | 26 | #include <cstdlib> | 
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|  | 27 | #include <errno.h> | 
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|  | 28 | #include <memory.h> | 
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|  | 29 |  | 
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| [1505] | 30 | using namespace OIS; | 
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|  | 31 |  | 
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| [5695] | 32 | // 0 = No trace; 1 = Important traces; 2 = Debug traces | 
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|  | 33 | #define OIS_LINUX_JOYFF_DEBUG 1 | 
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|  | 34 |  | 
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|  | 35 | #ifdef OIS_LINUX_JOYFF_DEBUG | 
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|  | 36 | # include <iostream> | 
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|  | 37 | using namespace std; | 
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|  | 38 | #endif | 
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|  | 39 |  | 
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| [1505] | 40 | //--------------------------------------------------------------// | 
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| [5695] | 41 | LinuxForceFeedback::LinuxForceFeedback(int deviceID) : | 
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|  | 42 | ForceFeedback(), mJoyStick(deviceID) | 
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| [1505] | 43 | { | 
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|  | 44 | } | 
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| [5695] | 45 |  | 
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| [1505] | 46 | //--------------------------------------------------------------// | 
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|  | 47 | LinuxForceFeedback::~LinuxForceFeedback() | 
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|  | 48 | { | 
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| [5695] | 49 | // Unload all effects. | 
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|  | 50 | for(EffectList::iterator i = mEffectList.begin(); i != mEffectList.end(); ++i ) | 
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|  | 51 | { | 
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|  | 52 | struct ff_effect *linEffect = i->second; | 
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|  | 53 | if( linEffect ) | 
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|  | 54 | _unload(linEffect->id); | 
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|  | 55 | } | 
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|  | 56 |  | 
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|  | 57 | mEffectList.clear(); | 
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| [1505] | 58 | } | 
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|  | 59 |  | 
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|  | 60 | //--------------------------------------------------------------// | 
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| [5695] | 61 | unsigned short LinuxForceFeedback::getFFMemoryLoad() | 
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| [1505] | 62 | { | 
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| [5695] | 63 | int nEffects = -1; | 
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|  | 64 | if (ioctl(mJoyStick, EVIOCGEFFECTS, &nEffects) == -1) | 
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|  | 65 | OIS_EXCEPT(E_General, "Unknown error reading max number of uploaded effects."); | 
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|  | 66 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 67 | cout << "LinuxForceFeedback("<< mJoyStick | 
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|  | 68 | << ") : Read device max number of uploaded effects : " << nEffects << endl; | 
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|  | 69 | #endif | 
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|  | 70 |  | 
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|  | 71 | return (unsigned short int)(nEffects > 0 ? 100.0*mEffectList.size()/nEffects : 100); | 
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| [1505] | 72 | } | 
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|  | 73 |  | 
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|  | 74 | //--------------------------------------------------------------// | 
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| [5695] | 75 | void LinuxForceFeedback::setMasterGain(float value) | 
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| [1505] | 76 | { | 
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| [5695] | 77 | if (!mSetGainSupport) | 
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|  | 78 | { | 
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|  | 79 | #if (OIS_LINUX_JOYFF_DEBUG > 0) | 
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|  | 80 | cout << "LinuxForceFeedback("<< mJoyStick << ") : Setting master gain " | 
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|  | 81 | << "is not supported by the device" << endl; | 
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|  | 82 | #endif | 
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|  | 83 | return; | 
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|  | 84 | } | 
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|  | 85 |  | 
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|  | 86 | struct input_event event; | 
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|  | 87 |  | 
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|  | 88 | memset(&event, 0, sizeof(event)); | 
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|  | 89 | event.type = EV_FF; | 
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|  | 90 | event.code = FF_GAIN; | 
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|  | 91 | if (value < 0.0) | 
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|  | 92 | value = 0.0; | 
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|  | 93 | else if (value > 1.0) | 
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|  | 94 | value = 1.0; | 
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|  | 95 | event.value = (__s32)(value * 0xFFFFUL); | 
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|  | 96 |  | 
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|  | 97 | #if (OIS_LINUX_JOYFF_DEBUG > 0) | 
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|  | 98 | cout << "LinuxForceFeedback("<< mJoyStick << ") : Setting master gain to " | 
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|  | 99 | << value << " => " << event.value << endl; | 
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|  | 100 | #endif | 
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|  | 101 |  | 
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|  | 102 | if (write(mJoyStick, &event, sizeof(event)) != sizeof(event)) { | 
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|  | 103 | OIS_EXCEPT(E_General, "Unknown error changing master gain."); | 
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|  | 104 | } | 
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| [1505] | 105 | } | 
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|  | 106 |  | 
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|  | 107 | //--------------------------------------------------------------// | 
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| [5695] | 108 | void LinuxForceFeedback::setAutoCenterMode(bool enabled) | 
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| [1505] | 109 | { | 
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| [5695] | 110 | if (!mSetAutoCenterSupport) | 
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|  | 111 | { | 
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|  | 112 | #if (OIS_LINUX_JOYFF_DEBUG > 0) | 
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|  | 113 | cout << "LinuxForceFeedback("<< mJoyStick << ") : Setting auto-center mode " | 
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|  | 114 | << "is not supported by the device" << endl; | 
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|  | 115 | #endif | 
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|  | 116 | return; | 
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|  | 117 | } | 
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|  | 118 |  | 
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|  | 119 | struct input_event event; | 
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|  | 120 |  | 
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|  | 121 | memset(&event, 0, sizeof(event)); | 
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|  | 122 | event.type = EV_FF; | 
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|  | 123 | event.code = FF_AUTOCENTER; | 
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|  | 124 | event.value = (__s32)(enabled*0xFFFFFFFFUL); | 
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|  | 125 |  | 
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|  | 126 | #if (OIS_LINUX_JOYFF_DEBUG > 0) | 
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|  | 127 | cout << "LinuxForceFeedback("<< mJoyStick << ") : Toggling auto-center to " | 
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|  | 128 | << enabled << " => 0x" << hex << event.value << dec << endl; | 
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|  | 129 | #endif | 
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|  | 130 |  | 
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|  | 131 | if (write(mJoyStick, &event, sizeof(event)) != sizeof(event)) { | 
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|  | 132 | OIS_EXCEPT(E_General, "Unknown error toggling auto-center."); | 
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|  | 133 | } | 
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| [1505] | 134 | } | 
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|  | 135 |  | 
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|  | 136 | //--------------------------------------------------------------// | 
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| [5695] | 137 | void LinuxForceFeedback::upload( const Effect* effect ) | 
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| [1505] | 138 | { | 
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| [5695] | 139 | switch( effect->force ) | 
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|  | 140 | { | 
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|  | 141 | case OIS::Effect::ConstantForce: | 
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|  | 142 | _updateConstantEffect(effect); | 
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|  | 143 | break; | 
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|  | 144 | case OIS::Effect::ConditionalForce: | 
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|  | 145 | _updateConditionalEffect(effect); | 
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|  | 146 | break; | 
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|  | 147 | case OIS::Effect::PeriodicForce: | 
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|  | 148 | _updatePeriodicEffect(effect); | 
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|  | 149 | break; | 
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|  | 150 | case OIS::Effect::RampForce: | 
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|  | 151 | _updateRampEffect(effect); | 
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|  | 152 | break; | 
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|  | 153 | case OIS::Effect::CustomForce: | 
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|  | 154 | //_updateCustomEffect(effect); | 
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|  | 155 | //break; | 
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|  | 156 | default: | 
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|  | 157 | OIS_EXCEPT(E_NotImplemented, "Requested force not implemented yet, sorry!"); | 
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|  | 158 | break; | 
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|  | 159 | } | 
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| [1505] | 160 | } | 
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|  | 161 |  | 
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|  | 162 | //--------------------------------------------------------------// | 
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| [5695] | 163 | void LinuxForceFeedback::modify( const Effect* effect ) | 
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| [1505] | 164 | { | 
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| [5695] | 165 | upload(effect); | 
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| [1505] | 166 | } | 
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|  | 167 |  | 
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| [5695] | 168 | //--------------------------------------------------------------// | 
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|  | 169 | void LinuxForceFeedback::remove( const Effect* effect ) | 
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|  | 170 | { | 
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|  | 171 | //Get the effect - if it exists | 
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|  | 172 | EffectList::iterator i = mEffectList.find(effect->_handle); | 
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|  | 173 | if( i != mEffectList.end() ) | 
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|  | 174 | { | 
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|  | 175 | struct ff_effect *linEffect = i->second; | 
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|  | 176 | if( linEffect ) | 
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|  | 177 | { | 
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|  | 178 | _stop(effect->_handle); | 
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|  | 179 |  | 
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|  | 180 | _unload(effect->_handle); | 
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|  | 181 |  | 
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|  | 182 | free(linEffect); | 
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|  | 183 |  | 
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|  | 184 | mEffectList.erase(i); | 
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|  | 185 | } | 
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|  | 186 | else | 
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|  | 187 | mEffectList.erase(i); | 
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|  | 188 | } | 
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|  | 189 | } | 
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|  | 190 |  | 
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|  | 191 | //--------------------------------------------------------------// | 
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|  | 192 | // To Signed16/Unsigned15 safe conversions | 
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|  | 193 | #define MaxUnsigned15Value 0x7FFF | 
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|  | 194 | #define toUnsigned15(value) \ | 
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|  | 195 | (__u16)((value) < 0 ? 0 : ((value) > MaxUnsigned15Value ? MaxUnsigned15Value : (value))) | 
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|  | 196 |  | 
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|  | 197 | #define MaxSigned16Value  0x7FFF | 
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|  | 198 | #define MinSigned16Value -0x7FFF | 
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|  | 199 | #define toSigned16(value) \ | 
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|  | 200 | (__s16)((value) < MinSigned16Value ? MinSigned16Value : ((value) > MaxSigned16Value ? MaxSigned16Value : (value))) | 
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|  | 201 |  | 
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|  | 202 | // OIS to Linux duration | 
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|  | 203 | #define LinuxInfiniteDuration 0xFFFF | 
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|  | 204 | #define OISDurationUnitMS 1000 // OIS duration unit (microseconds), expressed in milliseconds (theLinux duration unit) | 
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|  | 205 |  | 
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|  | 206 | // linux/input.h : All duration values are expressed in ms. Values above 32767 ms (0x7fff) | 
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|  | 207 | //                 should not be used and have unspecified results. | 
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|  | 208 | #define LinuxDuration(oisDuration) ((oisDuration) == Effect::OIS_INFINITE ? LinuxInfiniteDuration \ | 
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|  | 209 | : toUnsigned15((oisDuration)/OISDurationUnitMS)) | 
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|  | 210 |  | 
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|  | 211 |  | 
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|  | 212 | // OIS to Linux levels | 
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|  | 213 | #define OISMaxLevel 10000 | 
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|  | 214 | #define LinuxMaxLevel 0x7FFF | 
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|  | 215 |  | 
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|  | 216 | // linux/input.h : Valid range for the attack and fade levels is 0x0000 - 0x7fff | 
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|  | 217 | #define LinuxPositiveLevel(oisLevel) toUnsigned15(LinuxMaxLevel*(long)(oisLevel)/OISMaxLevel) | 
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|  | 218 |  | 
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|  | 219 | #define LinuxSignedLevel(oisLevel) toSigned16(LinuxMaxLevel*(long)(oisLevel)/OISMaxLevel) | 
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|  | 220 |  | 
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|  | 221 |  | 
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|  | 222 | //--------------------------------------------------------------// | 
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|  | 223 | void LinuxForceFeedback::_setCommonProperties(struct ff_effect *event, | 
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|  | 224 | struct ff_envelope *ffenvelope, | 
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|  | 225 | const Effect* effect, const Envelope *envelope ) | 
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|  | 226 | { | 
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|  | 227 | memset(event, 0, sizeof(struct ff_effect)); | 
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|  | 228 |  | 
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|  | 229 | if (envelope && ffenvelope && envelope->isUsed()) { | 
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|  | 230 | ffenvelope->attack_length = LinuxDuration(envelope->attackLength); | 
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|  | 231 | ffenvelope->attack_level = LinuxPositiveLevel(envelope->attackLevel); | 
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|  | 232 | ffenvelope->fade_length = LinuxDuration(envelope->fadeLength); | 
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|  | 233 | ffenvelope->fade_level = LinuxPositiveLevel(envelope->fadeLevel); | 
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|  | 234 | } | 
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|  | 235 |  | 
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|  | 236 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 237 | cout << endl; | 
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|  | 238 | if (envelope && ffenvelope) | 
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|  | 239 | { | 
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|  | 240 | cout << "  Enveloppe :" << endl | 
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|  | 241 | << "    AttackLen : " << envelope->attackLength | 
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|  | 242 | << " => " << ffenvelope->attack_length << endl | 
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|  | 243 | << "    AttackLvl : " << envelope->attackLevel | 
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|  | 244 | << " => " << ffenvelope->attack_level << endl | 
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|  | 245 | << "    FadeLen   : " << envelope->fadeLength | 
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|  | 246 | << " => " << ffenvelope->fade_length << endl | 
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|  | 247 | << "    FadeLvl   : " << envelope->fadeLevel | 
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|  | 248 | << " => " << ffenvelope->fade_level << endl; | 
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|  | 249 | } | 
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|  | 250 | #endif | 
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|  | 251 |  | 
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|  | 252 | event->direction = (__u16)(1 + (effect->direction*45.0+135.0)*0xFFFFUL/360.0); | 
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|  | 253 |  | 
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|  | 254 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 255 | cout << "  Direction : " << Effect::getDirectionName(effect->direction) | 
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|  | 256 | << " => 0x" << hex << event->direction << dec << endl; | 
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|  | 257 | #endif | 
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|  | 258 |  | 
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|  | 259 | // TODO trigger_button 0 vs. -1 | 
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|  | 260 | event->trigger.button = effect->trigger_button; // < 0 ? 0 : effect->trigger_button; | 
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|  | 261 | event->trigger.interval = LinuxDuration(effect->trigger_interval); | 
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|  | 262 |  | 
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|  | 263 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 264 | cout << "  Trigger :" << endl | 
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|  | 265 | << "    Button   : " << effect->trigger_button | 
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|  | 266 | << " => " << event->trigger.button << endl | 
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|  | 267 | << "    Interval : " << effect->trigger_interval | 
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|  | 268 | << " => " << event->trigger.interval << endl; | 
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|  | 269 | #endif | 
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|  | 270 |  | 
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|  | 271 | event->replay.length = LinuxDuration(effect->replay_length); | 
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|  | 272 | event->replay.delay = LinuxDuration(effect->replay_delay); | 
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|  | 273 |  | 
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|  | 274 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 275 | cout << "  Replay :" << endl | 
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|  | 276 | << "    Length : " << effect->replay_length | 
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|  | 277 | << " => " << event->replay.length << endl | 
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|  | 278 | << "    Delay  : " << effect->replay_delay | 
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|  | 279 | << " => " << event->replay.delay << endl; | 
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|  | 280 | #endif | 
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|  | 281 | } | 
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|  | 282 |  | 
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|  | 283 | //--------------------------------------------------------------// | 
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|  | 284 | void LinuxForceFeedback::_updateConstantEffect( const Effect* eff ) | 
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|  | 285 | { | 
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|  | 286 | struct ff_effect event; | 
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|  | 287 |  | 
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|  | 288 | ConstantEffect *effect = static_cast<ConstantEffect*>(eff->getForceEffect()); | 
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|  | 289 |  | 
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|  | 290 | _setCommonProperties(&event, &event.u.constant.envelope, eff, &effect->envelope); | 
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|  | 291 |  | 
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|  | 292 | event.type = FF_CONSTANT; | 
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|  | 293 | event.id = -1; | 
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|  | 294 |  | 
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|  | 295 | event.u.constant.level = LinuxSignedLevel(effect->level); | 
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|  | 296 |  | 
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|  | 297 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 298 | cout << "  Level : " << effect->level | 
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|  | 299 | << " => " << event.u.constant.level << endl; | 
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|  | 300 | #endif | 
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|  | 301 |  | 
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|  | 302 | _upload(&event, eff); | 
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|  | 303 | } | 
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|  | 304 |  | 
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|  | 305 | //--------------------------------------------------------------// | 
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|  | 306 | void LinuxForceFeedback::_updateRampEffect( const Effect* eff ) | 
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|  | 307 | { | 
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|  | 308 | struct ff_effect event; | 
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|  | 309 |  | 
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|  | 310 | RampEffect *effect = static_cast<RampEffect*>(eff->getForceEffect()); | 
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|  | 311 |  | 
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|  | 312 | _setCommonProperties(&event, &event.u.constant.envelope, eff, &effect->envelope); | 
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|  | 313 |  | 
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|  | 314 | event.type = FF_RAMP; | 
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|  | 315 | event.id = -1; | 
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|  | 316 |  | 
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|  | 317 | event.u.ramp.start_level = LinuxSignedLevel(effect->startLevel); | 
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|  | 318 | event.u.ramp.end_level = LinuxSignedLevel(effect->endLevel); | 
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|  | 319 |  | 
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|  | 320 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 321 | cout << "  StartLevel : " << effect->startLevel | 
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|  | 322 | << " => " << event.u.ramp.start_level << endl | 
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|  | 323 | << "  EndLevel   : " << effect->endLevel | 
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|  | 324 | << " => " << event.u.ramp.end_level << endl; | 
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|  | 325 | #endif | 
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|  | 326 |  | 
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|  | 327 | _upload(&event, eff); | 
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|  | 328 | } | 
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|  | 329 |  | 
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|  | 330 | //--------------------------------------------------------------// | 
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|  | 331 | void LinuxForceFeedback::_updatePeriodicEffect( const Effect* eff ) | 
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|  | 332 | { | 
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|  | 333 | struct ff_effect event; | 
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|  | 334 |  | 
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|  | 335 | PeriodicEffect *effect = static_cast<PeriodicEffect*>(eff->getForceEffect()); | 
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|  | 336 |  | 
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|  | 337 | _setCommonProperties(&event, &event.u.periodic.envelope, eff, &effect->envelope); | 
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|  | 338 |  | 
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|  | 339 | event.type = FF_PERIODIC; | 
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|  | 340 | event.id = -1; | 
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|  | 341 |  | 
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|  | 342 | switch( eff->type ) | 
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|  | 343 | { | 
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|  | 344 | case OIS::Effect::Square: | 
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|  | 345 | event.u.periodic.waveform = FF_SQUARE; | 
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|  | 346 | break; | 
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|  | 347 | case OIS::Effect::Triangle: | 
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|  | 348 | event.u.periodic.waveform = FF_TRIANGLE; | 
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|  | 349 | break; | 
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|  | 350 | case OIS::Effect::Sine: | 
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|  | 351 | event.u.periodic.waveform = FF_SINE; | 
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|  | 352 | break; | 
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|  | 353 | case OIS::Effect::SawToothUp: | 
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|  | 354 | event.u.periodic.waveform = FF_SAW_UP; | 
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|  | 355 | break; | 
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|  | 356 | case OIS::Effect::SawToothDown: | 
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|  | 357 | event.u.periodic.waveform = FF_SAW_DOWN; | 
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|  | 358 | break; | 
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|  | 359 | // Note: No support for Custom periodic force effect for the moment | 
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|  | 360 | //case OIS::Effect::Custom: | 
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|  | 361 | //event.u.periodic.waveform = FF_CUSTOM; | 
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|  | 362 | //break; | 
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|  | 363 | default: | 
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|  | 364 | OIS_EXCEPT(E_General, "No such available effect for Periodic force!"); | 
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|  | 365 | break; | 
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|  | 366 | } | 
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|  | 367 |  | 
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|  | 368 | event.u.periodic.period    = LinuxDuration(effect->period); | 
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|  | 369 | event.u.periodic.magnitude = LinuxPositiveLevel(effect->magnitude); | 
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|  | 370 | event.u.periodic.offset    = LinuxPositiveLevel(effect->offset); | 
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|  | 371 | event.u.periodic.phase     = (__u16)(effect->phase*event.u.periodic.period/36000.0); // ????? | 
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|  | 372 |  | 
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|  | 373 | // Note: No support for Custom periodic force effect for the moment | 
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|  | 374 | event.u.periodic.custom_len = 0; | 
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|  | 375 | event.u.periodic.custom_data = 0; | 
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|  | 376 |  | 
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|  | 377 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 378 | cout << "  Magnitude : " << effect->magnitude | 
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|  | 379 | << " => " << event.u.periodic.magnitude << endl | 
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|  | 380 | << "  Period    : " << effect->period | 
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|  | 381 | << " => " << event.u.periodic.period  << endl | 
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|  | 382 | << "  Offset    : " << effect->offset | 
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|  | 383 | << " => " << event.u.periodic.offset << endl | 
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|  | 384 | << "  Phase     : " << effect->phase | 
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|  | 385 | << " => " << event.u.periodic.phase << endl; | 
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|  | 386 | #endif | 
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|  | 387 |  | 
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|  | 388 | _upload(&event, eff); | 
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|  | 389 | } | 
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|  | 390 |  | 
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|  | 391 | //--------------------------------------------------------------// | 
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|  | 392 | void LinuxForceFeedback::_updateConditionalEffect( const Effect* eff ) | 
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|  | 393 | { | 
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|  | 394 | struct ff_effect event; | 
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|  | 395 |  | 
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|  | 396 | ConditionalEffect *effect = static_cast<ConditionalEffect*>(eff->getForceEffect()); | 
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|  | 397 |  | 
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|  | 398 | _setCommonProperties(&event, NULL, eff, NULL); | 
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|  | 399 |  | 
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|  | 400 | switch( eff->type ) | 
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|  | 401 | { | 
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|  | 402 | case OIS::Effect::Friction: | 
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|  | 403 | event.type = FF_FRICTION; | 
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|  | 404 | break; | 
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|  | 405 | case OIS::Effect::Damper: | 
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|  | 406 | event.type = FF_DAMPER; | 
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|  | 407 | break; | 
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|  | 408 | case OIS::Effect::Inertia: | 
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|  | 409 | event.type = FF_INERTIA; | 
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|  | 410 | break; | 
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|  | 411 | case OIS::Effect::Spring: | 
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|  | 412 | event.type = FF_SPRING; | 
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|  | 413 | break; | 
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|  | 414 | default: | 
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|  | 415 | OIS_EXCEPT(E_General, "No such available effect for Conditional force!"); | 
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|  | 416 | break; | 
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|  | 417 | } | 
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|  | 418 |  | 
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|  | 419 | event.id = -1; | 
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|  | 420 |  | 
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|  | 421 | event.u.condition[0].right_saturation = LinuxSignedLevel(effect->rightSaturation); | 
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|  | 422 | event.u.condition[0].left_saturation  = LinuxSignedLevel(effect->leftSaturation); | 
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|  | 423 | event.u.condition[0].right_coeff      = LinuxSignedLevel(effect->rightCoeff); | 
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|  | 424 | event.u.condition[0].left_coeff       = LinuxSignedLevel(effect->leftCoeff); | 
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|  | 425 | event.u.condition[0].deadband         = LinuxPositiveLevel(effect->deadband);// Unit ?? | 
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|  | 426 | event.u.condition[0].center           = LinuxSignedLevel(effect->center); // Unit ?? TODO ? | 
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|  | 427 |  | 
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|  | 428 | // TODO support for second condition | 
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|  | 429 | event.u.condition[1] = event.u.condition[0]; | 
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|  | 430 |  | 
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|  | 431 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 432 | cout << "  Condition[0] : " << endl | 
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|  | 433 | << "    RightSaturation  : " << effect->rightSaturation | 
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|  | 434 | << " => " << event.u.condition[0].right_saturation << endl | 
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|  | 435 | << "    LeftSaturation   : " << effect->leftSaturation | 
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|  | 436 | << " => " << event.u.condition[0]. left_saturation << endl | 
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|  | 437 | << "    RightCoefficient : " << effect->rightCoeff | 
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|  | 438 | << " => " << event.u.condition[0].right_coeff << endl | 
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|  | 439 | << "    LeftCoefficient : " << effect->leftCoeff | 
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|  | 440 | << " => " << event.u.condition[0].left_coeff << endl | 
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|  | 441 | << "    DeadBand        : " << effect->deadband | 
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|  | 442 | << " => " << event.u.condition[0].deadband  << endl | 
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|  | 443 | << "    Center          : " << effect->center | 
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|  | 444 | << " => " << event.u.condition[0].center << endl; | 
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|  | 445 | cout << "  Condition[1] : Not implemented" << endl; | 
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|  | 446 | #endif | 
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|  | 447 | _upload(&event, eff); | 
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|  | 448 | } | 
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|  | 449 |  | 
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|  | 450 | //--------------------------------------------------------------// | 
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|  | 451 | void LinuxForceFeedback::_upload( struct ff_effect* ffeffect, const Effect* effect) | 
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|  | 452 | { | 
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|  | 453 | struct ff_effect *linEffect = 0; | 
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|  | 454 |  | 
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|  | 455 | //Get the effect - if it exists | 
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|  | 456 | EffectList::iterator i = mEffectList.find(effect->_handle); | 
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|  | 457 | //It has been created already | 
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|  | 458 | if( i != mEffectList.end() ) | 
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|  | 459 | linEffect = i->second; | 
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|  | 460 |  | 
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|  | 461 | if( linEffect == 0 ) | 
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|  | 462 | { | 
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|  | 463 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 464 | cout << endl << "LinuxForceFeedback("<< mJoyStick << ") : Adding new effect : " | 
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|  | 465 | << Effect::getEffectTypeName(effect->type) << endl; | 
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|  | 466 | #endif | 
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|  | 467 |  | 
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|  | 468 | //This effect has not yet been created, so create it in the device | 
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|  | 469 | if (ioctl(mJoyStick, EVIOCSFF, ffeffect) == -1) { | 
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|  | 470 | // TODO device full check | 
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|  | 471 | // OIS_EXCEPT(E_DeviceFull, "Remove an effect before adding more!"); | 
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|  | 472 | OIS_EXCEPT(E_General, "Unknown error creating effect (may be the device is full)->.."); | 
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|  | 473 | } | 
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|  | 474 |  | 
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|  | 475 | // Save returned effect handle | 
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|  | 476 | effect->_handle = ffeffect->id; | 
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|  | 477 |  | 
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|  | 478 | // Save a copy of the uploaded effect for later simple modifications | 
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|  | 479 | linEffect = (struct ff_effect *)calloc(1, sizeof(struct ff_effect)); | 
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|  | 480 | memcpy(linEffect, ffeffect, sizeof(struct ff_effect)); | 
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|  | 481 |  | 
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|  | 482 | mEffectList[effect->_handle] = linEffect; | 
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|  | 483 |  | 
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|  | 484 | // Start playing the effect. | 
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|  | 485 | _start(effect->_handle); | 
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|  | 486 | } | 
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|  | 487 | else | 
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|  | 488 | { | 
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|  | 489 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 490 | cout << endl << "LinuxForceFeedback("<< mJoyStick << ") : Replacing effect : " | 
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|  | 491 | << Effect::getEffectTypeName(effect->type) << endl; | 
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|  | 492 | #endif | 
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|  | 493 |  | 
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|  | 494 | // Keep same id/handle, as this is just an update in the device. | 
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|  | 495 | ffeffect->id = effect->_handle; | 
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|  | 496 |  | 
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|  | 497 | // Update effect in the device. | 
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|  | 498 | if (ioctl(mJoyStick, EVIOCSFF, ffeffect) == -1) { | 
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|  | 499 | OIS_EXCEPT(E_General, "Unknown error updating an effect->.."); | 
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|  | 500 | } | 
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|  | 501 |  | 
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|  | 502 | // Update local linEffect for next time. | 
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|  | 503 | memcpy(linEffect, ffeffect, sizeof(struct ff_effect)); | 
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|  | 504 | } | 
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|  | 505 |  | 
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|  | 506 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 507 | cout << "LinuxForceFeedback("<< mJoyStick | 
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|  | 508 | << ") : Effect handle : " << effect->_handle << endl; | 
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|  | 509 | #endif | 
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|  | 510 | } | 
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|  | 511 |  | 
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|  | 512 | //--------------------------------------------------------------// | 
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|  | 513 | void LinuxForceFeedback::_stop( int handle) { | 
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|  | 514 | struct input_event stop; | 
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|  | 515 |  | 
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|  | 516 | stop.type = EV_FF; | 
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|  | 517 | stop.code = handle; | 
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|  | 518 | stop.value = 0; | 
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|  | 519 |  | 
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|  | 520 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 521 | cout << endl << "LinuxForceFeedback("<< mJoyStick | 
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|  | 522 | << ") : Stopping effect with handle " << handle << endl; | 
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|  | 523 | #endif | 
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|  | 524 |  | 
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|  | 525 | if (write(mJoyStick, &stop, sizeof(stop)) != sizeof(stop)) { | 
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|  | 526 | OIS_EXCEPT(E_General, "Unknown error stopping effect->.."); | 
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|  | 527 | } | 
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|  | 528 | } | 
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|  | 529 |  | 
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|  | 530 | //--------------------------------------------------------------// | 
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|  | 531 | void LinuxForceFeedback::_start( int handle) { | 
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|  | 532 | struct input_event play; | 
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|  | 533 |  | 
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|  | 534 | play.type = EV_FF; | 
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|  | 535 | play.code = handle; | 
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|  | 536 | play.value = 1; // Play once. | 
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|  | 537 |  | 
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|  | 538 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 539 | cout << endl << "LinuxForceFeedback("<< mJoyStick | 
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|  | 540 | << ") : Starting effect with handle " << handle << endl; | 
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|  | 541 | #endif | 
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|  | 542 |  | 
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|  | 543 | if (write(mJoyStick, &play, sizeof(play)) != sizeof(play)) { | 
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|  | 544 | OIS_EXCEPT(E_General, "Unknown error playing effect->.."); | 
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|  | 545 | } | 
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|  | 546 | } | 
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|  | 547 |  | 
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|  | 548 | //--------------------------------------------------------------// | 
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|  | 549 | void LinuxForceFeedback::_unload( int handle) | 
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|  | 550 | { | 
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|  | 551 | #if (OIS_LINUX_JOYFF_DEBUG > 1) | 
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|  | 552 | cout << endl << "LinuxForceFeedback("<< mJoyStick | 
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|  | 553 | << ") : Removing effect with handle " << handle << endl; | 
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|  | 554 | #endif | 
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|  | 555 |  | 
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|  | 556 | if (ioctl(mJoyStick, EVIOCRMFF, handle) == -1) { | 
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|  | 557 | OIS_EXCEPT(E_General, "Unknown error removing effect->.."); | 
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|  | 558 | } | 
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|  | 559 | } | 
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