sawwave.cpp

00001 /** sawwave class
00002  * Copyright (c) 2014, 2015 Motoo Tanaka @ Design Methodology Lab
00003  *
00004  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00005  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00006  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00007  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00008  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00009  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00010  * THE SOFTWARE.
00011  */
00012  
00013 #include "sawwave.h"
00014 
00015 sawwave::sawwave(float v, int f, int d, int p) : wave(v, f, d, p) 
00016 {
00017     _name = "saw" ; 
00018 }
00019 
00020 sawwave::~sawwave(void) { }
00021 
00022 void sawwave::duty(int newvalue)
00023 {
00024     _duty = newvalue ;
00025 }
00026 
00027 int sawwave::duty(void) 
00028 {
00029     return( 100 ) ;
00030 }
00031 
00032 int sawwave::value(void)
00033 {
00034     int result = 0 ;
00035     if (_cycle != 0) {
00036         result = _amp * _pos / _cycle ;
00037     }
00038     return( result ) ;
00039 }