Stefan Kummer / Mbed 2 deprecated Laser-Distance

#1

Dependencies:   mbed SB1602E

Fork of mbed-cloud-connect-sensor-laser-distance by Andrea Corrado

DebounceIn.h@9:f2bdb2a79528, 2018-12-10 (annotated)

Committer:
KStefan
Date:
Mon Dec 10 07:22:31 2018 +0000
Revision:
9:f2bdb2a79528
OK

Who changed what in which revision?

UserRevisionLine numberNew contents of line
KStefan 9:f2bdb2a79528 1 #include "mbed.h"
KStefan 9:f2bdb2a79528 2
KStefan 9:f2bdb2a79528 3 class DebounceIn : public DigitalIn
KStefan 9:f2bdb2a79528 4 {
KStefan 9:f2bdb2a79528 5 public:
KStefan 9:f2bdb2a79528 6 Ticker ticker;
KStefan 9:f2bdb2a79528 7 int shadow;
KStefan 9:f2bdb2a79528 8 int counter;
KStefan 9:f2bdb2a79528 9 int samples;
KStefan 9:f2bdb2a79528 10
KStefan 9:f2bdb2a79528 11 public:
KStefan 9:f2bdb2a79528 12
KStefan 9:f2bdb2a79528 13 /* Setzt die Entprellzeit (in µs), default sind 1000µs (1ms) */
KStefan 9:f2bdb2a79528 14 void set_debounce_us(int i) {
KStefan 9:f2bdb2a79528 15 ticker.attach_us(callback(this,&DebounceIn::cb), i);
KStefan 9:f2bdb2a79528 16 //ticker.attach_us(this, &DebounceIn::cb, i);
KStefan 9:f2bdb2a79528 17 //ticker.attach_us(&DebounceIn::cb, i);
KStefan 9:f2bdb2a79528 18 }
KStefan 9:f2bdb2a79528 19
KStefan 9:f2bdb2a79528 20 /* Definiert die Anzahl der Samples um den 'Schatten'-Zustand des DigitalIn-Pins zu schalten */
KStefan 9:f2bdb2a79528 21 void set_samples(int i) {
KStefan 9:f2bdb2a79528 22 samples = i;
KStefan 9:f2bdb2a79528 23 }
KStefan 9:f2bdb2a79528 24
KStefan 9:f2bdb2a79528 25 /* Liest den Wert des entprellten Pins */
KStefan 9:f2bdb2a79528 26 int Read(void) {
KStefan 9:f2bdb2a79528 27 return shadow;
KStefan 9:f2bdb2a79528 28 }
KStefan 9:f2bdb2a79528 29
KStefan 9:f2bdb2a79528 30 //#ifdef MBED_OPERATORS
KStefan 9:f2bdb2a79528 31 operator int() { return Read(); }
KStefan 9:f2bdb2a79528 32 //#endif
KStefan 9:f2bdb2a79528 33
KStefan 9:f2bdb2a79528 34 /* Konstruktor */
KStefan 9:f2bdb2a79528 35 DebounceIn(PinName pin) : DigitalIn(pin) {
KStefan 9:f2bdb2a79528 36 counter = 0;
KStefan 9:f2bdb2a79528 37 samples = 10;
KStefan 9:f2bdb2a79528 38 // shadow = 0;
KStefan 9:f2bdb2a79528 39 set_debounce_us(1000);
KStefan 9:f2bdb2a79528 40 }
KStefan 9:f2bdb2a79528 41
KStefan 9:f2bdb2a79528 42
KStefan 9:f2bdb2a79528 43
KStefan 9:f2bdb2a79528 44 protected:
KStefan 9:f2bdb2a79528 45
KStefan 9:f2bdb2a79528 46 void cb() {
KStefan 9:f2bdb2a79528 47 if (!DigitalIn::read()) {
KStefan 9:f2bdb2a79528 48 if (counter < samples) counter++;
KStefan 9:f2bdb2a79528 49 if (counter == samples) shadow = 1;
KStefan 9:f2bdb2a79528 50 } else {
KStefan 9:f2bdb2a79528 51 if (counter > 0) counter--;
KStefan 9:f2bdb2a79528 52 if (counter == 0) shadow = 0;
KStefan 9:f2bdb2a79528 53 }
KStefan 9:f2bdb2a79528 54 }
KStefan 9:f2bdb2a79528 55
KStefan 9:f2bdb2a79528 56
KStefan 9:f2bdb2a79528 57 };