diff options
Diffstat (limited to 'plugins/linux/src/native/EventDevice.cpp')
| -rw-r--r-- | plugins/linux/src/native/EventDevice.cpp | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/plugins/linux/src/native/EventDevice.cpp b/plugins/linux/src/native/EventDevice.cpp deleted file mode 100644 index b77f2b7..0000000 --- a/plugins/linux/src/native/EventDevice.cpp +++ /dev/null @@ -1,481 +0,0 @@ -/** - * Copyright (C) 2003 Jeremy Booth ([email protected]) - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. Redistributions in binary - * form must reproduce the above copyright notice, this list of conditions and - * the following disclaimer in the documentation and/or other materials provided - * with the distribution. - * The name of the author may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO - * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; - * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, - * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR - * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE - */ - -#include "eventInterfaceTypes.h" -#include "EventDevice.h" -#include <stdio.h> -#include <fcntl.h> -#include <unistd.h> -#include <string.h> -#include <linux/input.h> -#include <malloc.h> -#include <errno.h> - -#include "logger.h" - -EventDevice::EventDevice(char *deviceFileName) { - char tempName[Device::MAX_NAME_LENGTH-1] = "Unknown"; - int i; - - fd = open(deviceFileName, O_RDWR | O_NONBLOCK); - if(fd<0) { - - char errorMessage[512]; - sprintf(errorMessage, "Error opening device %s read/write, Force Feedback disabled for this device\n", deviceFileName); - perror(errorMessage); - - fd = open(deviceFileName, O_RDONLY | O_NONBLOCK); - if(fd<0) { - /*char errorMessage[512]; - sprintf(errorMessage, "Error opening device %s\n", deviceFileName); - perror(errorMessage);*/ - inited = 0; - return; - } - } else { - if(ioctl(fd, EVIOCGBIT(EV_FF, sizeof(uint8_t) * 16), ff_bitmask) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - if(getBit(FF_RUMBLE, ff_bitmask)==1) { - ffSupported = 1; - //LOG_TRACE("Force feedback supported for %s\n", deviceFileName); - int n_effects = 0; - if (ioctl(fd, EVIOCGEFFECTS, &n_effects) == -1) { - char errorMessage[512]; - sprintf(errorMessage, "Failed to get number of effects for device %s\n", deviceFileName); - perror(errorMessage); - } - LOG_TRACE("Device %s supports %d simultanious effects\n", deviceFileName, n_effects); - - effect_playing = false; - effect.type=FF_RUMBLE; - effect.id=-1; - effect.u.rumble.strong_magnitude = (int)(0x8000); - effect.u.rumble.weak_magnitude = (int)(0xc000); - effect.replay.length = 5000; - effect.replay.delay = 0; - LOG_TRACE("Uploading effect %d\n", effect.id); - if (ioctl(fd, EVIOCSFF, &effect) == -1) { - perror("Upload effect"); - } - LOG_TRACE("Uploaded effect %d\n", effect.id); - - - } else { - ffSupported = 0; - LOG_TRACE("Force feedback not supported for %s %d\n", deviceFileName, getBit(FF_RUMBLE, ff_bitmask)); - } - } - - if(ioctl(fd, EVIOCGNAME(sizeof(tempName)), tempName) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - - int namelength=strlen(tempName); - name = (char *)malloc(namelength+1); - strncpy(name,tempName, namelength+1); - - LOG_TRACE("Device name for device file %s is %s\n", deviceFileName, name); - - uint8_t evtype_bitmask[EV_MAX/8 + 1]; - memset(evtype_bitmask, 0, sizeof(evtype_bitmask)); - - if(ioctl(fd, EVIOCGBIT(0, EV_MAX), evtype_bitmask) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - - struct input_devinfo deviceInfo; - if(ioctl(fd, EVIOCGID, &deviceInfo) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - - bustype = deviceInfo.bustype; - vendor = deviceInfo.vendor; - product = deviceInfo.product; - version = deviceInfo.version; - - numButtons = -1; - numAbsAxes = -1; - numRelAxes = -1; - - if(!(getBit(EV_KEY, evtype_bitmask))) { - numButtons = 0; - } - if(!(getBit(EV_REL, evtype_bitmask))) { - numRelAxes = 0; - } - - if(!(getBit(EV_ABS, evtype_bitmask))) { - numAbsAxes = 0; - } - - if(!getBit(EV_FF, evtype_bitmask)) { - ffSupported = 0; - } - - if(numButtons < 0) { - // This device supports keys, deal with it. - if(ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(key_bitmask)), key_bitmask) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - for(i=0;i<KEY_MAX;i++) { - buttonLookup[i]=-1; - } - short tempSupportedButtons[KEY_MAX]; - numButtons = 0; - for(i=0;i<KEY_MAX;i++) { - if(getBit(i,key_bitmask)) { - tempSupportedButtons[numButtons] = i; - numButtons++; - } - } - supportedButtons = (short *)malloc(numButtons * sizeof(short)); - buttonData = (uint8_t *)malloc(numButtons * sizeof(uint8_t)); - for(i=0;i<numButtons;i++) { - buttonData[i] = 0; - supportedButtons[i] = tempSupportedButtons[i]; - buttonLookup[supportedButtons[i]] = i; - } - } - - if(numRelAxes < 0) { - // This device supports axes, deal with it. - if(ioctl(fd, EVIOCGBIT(EV_REL, sizeof(rel_bitmask)), rel_bitmask) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - for(i=0;i<REL_MAX;i++) { - relAxisLookup[i]=-1; - } - short tempSupportedAxes[REL_MAX]; - numRelAxes=0; - for(i=0;i<REL_MAX;i++) { - if(getBit(i,rel_bitmask)) { - tempSupportedAxes[numRelAxes] = i; - numRelAxes++; - } - } - relAxesData = (int *)malloc(numRelAxes * sizeof(int)); - supportedRelAxes = (short *)malloc(numRelAxes * sizeof(short)); - for(i=0;i<numRelAxes;i++) { - relAxesData[i]=0; - supportedRelAxes[i] = tempSupportedAxes[i]; - relAxisLookup[supportedRelAxes[i]] = i; - } - } - - - if(numAbsAxes < 0) { - if(ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(abs_bitmask)), abs_bitmask) < 0) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - for(i=0;i<ABS_MAX;i++) { - absAxisLookup[i] = -1; - } - short tempSupportedAxes[ABS_MAX]; - numAbsAxes=0; - for(i=0;i<ABS_MAX;i++) { - if(getBit(i,abs_bitmask)) { - tempSupportedAxes[numAbsAxes] = i; - numAbsAxes++; - } - } - - absAxesData = (int *)malloc(numAbsAxes * sizeof(int)); - supportedAbsAxes = (short *)malloc(numAbsAxes * sizeof(short)); - for(i=0;i<numAbsAxes;i++) { - supportedAbsAxes[i] = tempSupportedAxes[i]; - absAxisLookup[supportedAbsAxes[i]] = i; - } - - abs_features = (struct input_absinfo *)malloc(numAbsAxes * sizeof(struct input_absinfo)); - for(i=0;i<numAbsAxes;i++) { - if(ioctl(fd, EVIOCGABS(supportedAbsAxes[i]), &(abs_features[i]))) { - char errorMessage[512]; - sprintf(errorMessage, "Error reading device %s\n", deviceFileName); - perror(errorMessage); - } - absAxesData[i] = abs_features[i].value; - } - } - - inited = 1; -} - -int EventDevice::isValidDevice() { - return inited; -} - -int EventDevice::getNumberRelAxes(){ - if(inited!=1) return -1; - return numRelAxes; -} - -int EventDevice::getNumberAbsAxes(){ - if(inited!=1) return -1; - return numAbsAxes; -} - -int EventDevice::getNumberButtons(){ - if(inited!=1) return -1; - return numButtons; -} - -const char *EventDevice::getName(){ - LOG_TRACE("EventDevice::getName()\n"); - return name; -} - -int EventDevice::getBusType(){ - if(inited!=1) return -1; - return bustype; -} - -int EventDevice::getVendorID(){ - if(inited!=1) return -1; - return vendor; -} - -int EventDevice::getProductID(){ - if(inited!=1) return -1; - return product; -} - -int EventDevice::getVersion(){ - if(inited!=1) return -1; - return version; -} - -void EventDevice::getSupportedRelAxes(int supportedAxis[]){ - int i; - - if(inited!=1) return; - for(i=0;i<numRelAxes; i++) { - (supportedAxis)[i] = supportedRelAxes[i]; - } -} - -void EventDevice::getSupportedAbsAxes(int supportedAxis[]){ - int i; - - if(inited!=1) return; - for(i=0;i<numAbsAxes; i++) { - (supportedAxis)[i] = supportedAbsAxes[i]; - } -} - -void EventDevice::getSupportedButtons(int supportedButtons[]){ - int i; - - if(inited!=1) return; - for(i=0;i<numButtons; i++) { - (supportedButtons)[i] = this->supportedButtons[i]; - } -} - -/** - * A return value of -1 means error, 0 means ok, but no change - * a return of >0 means the data for this device has changed - */ -int EventDevice::poll(){ - size_t read_bytes; - struct input_event events[64]; - int dataChanged=0; - - if(inited!=1) return -1; - - // first thing to do is reset all relative axis as mice never seem to do it - int i; - for(i=0;i<numRelAxes;i++){ - if(relAxesData[i]!=0) { - dataChanged=1; - relAxesData[i]=0; - } - } - - read_bytes = read(fd, events, sizeof(struct input_event) * 64); - - if(read_bytes == 0) { - // no sweat, just return; - return 0; - } - - if(read_bytes == -1) { - if(errno == EAGAIN) { - // No worries, we are in non blocking and noting is ready - return 0; - } else { - perror("Error reading events: "); - return -1; - } - } - - if (read_bytes < (int) sizeof(struct input_event)) { - perror("Error reading events: "); - return -1; - } - - int numEventsRead = (int) (read_bytes / sizeof(struct input_event)); - for(i=0;i<numEventsRead;i++) { - switch(events[i].type) { - case EV_SYN: - case EV_MSC: - // not sure what to do with it, ignore for now -- JPK - break; - case EV_KEY: { - dataChanged = 1; - int buttonIndex = buttonLookup[events[i].code]; - buttonData[buttonIndex] = events[i].value; - //printf("button %d translates to button %d on this device\n", events[i].code, buttonIndex); - break; - } - case EV_REL: { - dataChanged = 1; - int axisIndex = relAxisLookup[events[i].code]; - relAxesData[axisIndex] += events[i].value; - //printf("rel axis %d translates to rel axis %d on this device\n", events[i].code, axisIndex); - break; - } - case EV_ABS: { - dataChanged = 1; - int axisIndex = absAxisLookup[events[i].code]; - absAxesData[axisIndex] = events[i].value; - //printf("abs axis %d translates to abs axis %d on this device\n", events[i].code, axisIndex); - break; - } - case EV_LED: - // reveiced for things like numlock led change - break; - default: - fprintf(stderr, "Received event of type 0x%02X from %s, which I wasn't expecting, please report it to jinput forum at www.javagaming.org\n", events[i].type, name); - } - } - return dataChanged; -} - -void EventDevice::getPolledData(int relAxesData[], int absAxesData[], int buttonData[]){ - int i; - - if(inited!=1) return; - for(i=0;i<numRelAxes;i++) { - (relAxesData)[i] = this->relAxesData[i]; - } - for(i=0;i<numAbsAxes;i++) { - (absAxesData)[i] = this->absAxesData[i]; - } - for(i=0;i<numButtons;i++) { - (buttonData)[i] = this->buttonData[i]; - } -} - -int EventDevice::getAbsAxisMinimum(int axisNumber) { - return abs_features[axisNumber].minimum; -} - -int EventDevice::getAbsAxisMaximum(int axisNumber) { - return abs_features[axisNumber].maximum; -} - -int EventDevice::getAbsAxisFuzz(int axisNumber) { - return abs_features[axisNumber].fuzz; -} - -bool EventDevice::getFFEnabled() { - if(ffSupported==1) { - //LOG_TRACE("FF is supported for %s\n", getName()); - return true; - } - //LOG_TRACE("FF is not supported for %s\n", getName()); - return false; -} - -void EventDevice::rumble(float force) { - if(force>1) force=1; - if(force<-1) force=-1; - //LOG_TRACE("Rumbling at %d%%, (shh, pretend)\n", (int)(force*100)); - - if(effect_playing==true) { - stop.type=EV_FF; - stop.code = effect.id; - stop.value=0; - LOG_TRACE("Stopping effect %d\n", stop.code); - if (write(fd, (const void*) &stop, sizeof(stop)) == -1) { - perror("Failed to stop effect"); - } else { - effect_playing=false; - } - } - - if(force>0.666666) { - effect.u.rumble.strong_magnitude = (int)(0x8000*force); - effect.u.rumble.weak_magnitude = (int)(0xc000*force); - } else if(force>0.3333333) { - effect.u.rumble.strong_magnitude = (int)(0x8000*force); - effect.u.rumble.weak_magnitude = (int)(0xc000*0); - } else { - effect.u.rumble.strong_magnitude = (int)(0x8000*0); - effect.u.rumble.weak_magnitude = (int)(0xc000*force); - } - - LOG_TRACE("Uploading effect %d\n", effect.id); - if (ioctl(fd, EVIOCSFF, &effect) == -1) { - perror("Upload effect"); - } - LOG_TRACE("Uploaded effect %d\n", effect.id); - - if(effect_playing==false && force!=0) { - play.type = EV_FF; - play.code=effect.id; - play.value=1; - - LOG_TRACE("Playing effect %d\n", play.code); - if (write(fd, (const void*) &play, sizeof(play)) == -1) { - perror("Failed to play effect"); - } else { - effect_playing=true; - } - } -} - -void EventDevice::cleanup() { - char message[512]; - sprintf(message, "Closing device %s\n", name); - LOG_TRACE(message); - close(fd); -} |