SoftwarePWM - softwarePWM by ticker, timer

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softwarePWM by ticker, timer

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SoftwarePWM.cpp@0:1e86036581bd, 2012-04-05 (annotated)

User	Revision	Line number	New contents of line
takashikojo	0:1e86036581bd	1	#include "SoftwarePWM.h"
takashikojo	0:1e86036581bd	2	#include "mbed.h"
takashikojo	0:1e86036581bd	3
takashikojo	0:1e86036581bd	4	SoftwarePWM::SoftwarePWM(PinName Pin) : SoftwarePWMPin(Pin) {}
takashikojo	0:1e86036581bd	5
takashikojo	0:1e86036581bd	6	void SoftwarePWM::SetPosition(int Pos) {
takashikojo	0:1e86036581bd	7	Position = Pos;
takashikojo	0:1e86036581bd	8	}
takashikojo	0:1e86036581bd	9
takashikojo	0:1e86036581bd	10	void SoftwarePWM::StartPulse() {
takashikojo	0:1e86036581bd	11	if(Position <= 0) {
takashikojo	0:1e86036581bd	12	SoftwarePWMPin = 0 ;
takashikojo	0:1e86036581bd	13	} else {
takashikojo	0:1e86036581bd	14	SoftwarePWMPin = 1;
takashikojo	0:1e86036581bd	15	PulseStop.attach_us(this, &SoftwarePWM::EndPulse, Position);
takashikojo	0:1e86036581bd	16	}
takashikojo	0:1e86036581bd	17	}
takashikojo	0:1e86036581bd	18
takashikojo	0:1e86036581bd	19	void SoftwarePWM::EndPulse() {
takashikojo	0:1e86036581bd	20	SoftwarePWMPin = 0;
takashikojo	0:1e86036581bd	21	}
takashikojo	0:1e86036581bd	22
takashikojo	0:1e86036581bd	23	void SoftwarePWM::Enable(int StartPos, int Period) {
takashikojo	0:1e86036581bd	24	Position = StartPos;
takashikojo	0:1e86036581bd	25	Pulse.attach_us(this, &SoftwarePWM::StartPulse, Period);
takashikojo	0:1e86036581bd	26	}
takashikojo	0:1e86036581bd	27
takashikojo	0:1e86036581bd	28	void SoftwarePWM::Disable() {
takashikojo	0:1e86036581bd	29	Pulse.detach();
takashikojo	0:1e86036581bd	30	}