Kojo / SoftwarePWM

softwarePWM by ticker, timer

Dependents:   Seeed_Motor_Shield_HelloWorld Official_MedusaIcon Seeed_Motor_Shield adrobo

SoftwarePWM.cpp

Committer:
takashikojo
Date:
2012-04-05
Revision:
0:1e86036581bd

File content as of revision 0:1e86036581bd:

#include "SoftwarePWM.h"
#include "mbed.h"

SoftwarePWM::SoftwarePWM(PinName Pin) : SoftwarePWMPin(Pin) {}

void SoftwarePWM::SetPosition(int Pos) {
    Position = Pos;
}

void SoftwarePWM::StartPulse() {
    if(Position <= 0) {
        SoftwarePWMPin = 0 ;
    } else {
        SoftwarePWMPin = 1;
        PulseStop.attach_us(this, &SoftwarePWM::EndPulse, Position);
    }
}

void SoftwarePWM::EndPulse() {
    SoftwarePWMPin = 0;
}

void SoftwarePWM::Enable(int StartPos, int Period) {
    Position = StartPos;
    Pulse.attach_us(this, &SoftwarePWM::StartPulse, Period);
}

void SoftwarePWM::Disable() {
    Pulse.detach();
}