Fork of mRotaryEncoder for mdeb-os. uses newer version of PinDetect. Testprogram: https://os.mbed.com/users/charly/code/mRotaryEncoder_HelloWorld-os/
Dependents: mRotaryEncoder_HelloWorld-os TMC2209-Test2
mRotaryEncoder.cpp
- Committer:
- charly
- Date:
- 2010-11-29
- Revision:
- 0:562943b05e99
- Child:
- 2:f99ac9745a2c
File content as of revision 0:562943b05e99:
#include "mbed.h" #include "mRotaryEncoder.h" mRotaryEncoder::mRotaryEncoder(PinName pinA, PinName pinB, PinName pinSW, PinMode pullMode, int debounceTime_us) { m_pinA = new InterruptIn(pinA); // interrrupts on pinA m_pinB = new DigitalIn(pinB); // only digitalIn for pinB //set pins with internal PullUP-default m_pinA->mode(pullMode); m_pinB->mode(pullMode); // attach interrrupts on pinA m_pinA->rise(this, &mRotaryEncoder::rise); m_pinA->fall(this, &mRotaryEncoder::fall); // Switch on pinSW m_pinSW = new InterruptIn(pinSW); // interrupt on press switch m_pinSW->mode(pullMode); m_position = 0; m_debounceTime_us = debounceTime_us; } mRotaryEncoder::~mRotaryEncoder() { delete m_pinA; delete m_pinB; delete m_pinSW; } int mRotaryEncoder::Get(void) { return m_position; } void mRotaryEncoder::Set(int value) { m_position = value; } void mRotaryEncoder::fall(void) { //no interrupts m_pinA->rise(NULL); m_pinA->fall(NULL); wait_us(m_debounceTime_us); // wait while switch is bouncing //pinA still low? if (*m_pinA == 0) { if (*m_pinB == 1) { m_position++; } else { m_position--; } } //reenable interrupts m_pinA->rise(this, &mRotaryEncoder::rise); m_pinA->fall(this, &mRotaryEncoder::fall); rotIsr.call(); // call the isr for rotation } void mRotaryEncoder::rise(void) { //no interrupts m_pinA->rise(NULL); m_pinA->fall(NULL); wait_us(m_debounceTime_us); // wait while switch is bouncing //pinA still high? if (*m_pinA == 1) { if (*m_pinB == 1) { m_position--; } else { m_position++; } } //reenable interrupts m_pinA->rise(this, &mRotaryEncoder::rise); m_pinA->fall(this, &mRotaryEncoder::fall); rotIsr.call(); // call the isr for rotation }