topical media & game development
lib-of-vs-libs-openFrameworks-communication-ofArduino.cpp / cpp
/*
* Copyright 2007-2008 (c) Erik Sjodin, eriksjodin.net
*
* Devloped at: The Interactive Institutet / Art and Technology,
* OF Lab / Ars Electronica
*
* 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.
*/
include <ofArduino.h>
include <ofUtils.h>
ofArduino::ofArduino():ofStandardFirmata(){
for (int i=0; i<ARD_TOTAL_DIGITAL_PINS; ++i) {
_servoValue[i] = -1;
}
bUseDelay = true;
}
ofArduino::~ofArduino() {
}
int ofArduino::connect(string device, int baud){
connectTime = ofGetElapsedTimef();
connected = ofStandardFirmata::connect(device, baud);
return connected;
}
bool ofArduino::isArduinoReady(){
if(bUseDelay)
return (ofGetElapsedTimef() - connectTime) > OF_ARDUINO_DELAY_LENGTH ? connected : false;
else
return connected;
}
void ofArduino::setUseDelay(bool bDelay){
bUseDelay = bDelay;
}
void ofArduino::sendServo(int pin, int value, bool force){
if(_digitalPinMode[pin]==ARD_SERVO && (_servoValue[pin]!=value || force)){
sendByte(FIRMATA_START_SYSEX);
sendByte(SYSEX_SERVO_WRITE);
sendByte(pin);
sendValueAsTwo7bitBytes(value);
sendByte(FIRMATA_END_SYSEX);
_servoValue[pin]=value;
}
}
void ofArduino::sendServoAttach(int pin, int minPulse, int maxPulse, int angle) {
sendByte(FIRMATA_START_SYSEX);
sendByte(SYSEX_SERVO_ATTACH);
sendByte(pin);
sendValueAsTwo7bitBytes(minPulse);
sendValueAsTwo7bitBytes(maxPulse);
sendByte(FIRMATA_END_SYSEX);
_digitalPinMode[pin]=ARD_SERVO;
}
void ofArduino::sendServoDetach(int pin) {
sendByte(FIRMATA_START_SYSEX);
sendByte(SYSEX_SERVO_DETACH);
sendByte(pin);
sendByte(FIRMATA_END_SYSEX);
_digitalPinMode[pin]=ARD_OUTPUT;
}
int ofArduino::getServo(int pin){
if(_digitalPinMode[pin]==ARD_SERVO)
return _servoValue[pin];
else
return -1;
}
// sysex data is assumed to be 8-bit bytes split into two 7-bit bytes.
void ofArduino::processSysExData(vector<unsigned char> data){
vector<unsigned char>::iterator it;
//unsigned char buffer;
//int i = 1;
// act on reserved sysEx messages (extended commands) or trigger SysEx event...
/*
// zach - altered because VS is unhappy with switches that have no case.
switch(data.front()) { //first byte in buffer is command
default: // the message isn't in this class extended command set, pass it...
ofStandardFirmata::processSysExData(data);
break;
}*/
ofStandardFirmata::processSysExData(data);
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.