Juan Pablo Viana Villa / Pulse1

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   IR-NEC

Fork of Pulse1 by Gustavo Ramirez

Pulse1.cpp@2:a91e76505e52, 2015-11-07 (annotated)

Committer:
PabloViana
Date:
Sat Nov 07 22:07:03 2015 +0000
Revision:
2:a91e76505e52
Parent:
1:48651f86a80c 
v1;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tony63 1:48651f86a80c 1
tony63 1:48651f86a80c 2 #include "Pulse1.h"
tony63 1:48651f86a80c 3
tony63 1:48651f86a80c 4 PulseInOut::PulseInOut(PinName pin):
tony63 1:48651f86a80c 5 startval(0), pulsetime(), runtime(), io(pin) {
tony63 1:48651f86a80c 6 }
tony63 1:48651f86a80c 7
tony63 1:48651f86a80c 8
tony63 1:48651f86a80c 9 PulseInOut::~PulseInOut() {
tony63 1:48651f86a80c 10 }
tony63 1:48651f86a80c 11
tony63 1:48651f86a80c 12 void PulseInOut::write(int val) {
tony63 1:48651f86a80c 13 io.output();
tony63 1:48651f86a80c 14 io = val;
tony63 1:48651f86a80c 15 }
tony63 1:48651f86a80c 16
tony63 1:48651f86a80c 17 void PulseInOut::write_us(int val, int time) {
tony63 1:48651f86a80c 18 io.output();
tony63 1:48651f86a80c 19 io = val;
tony63 1:48651f86a80c 20 wait_us(time);
tony63 1:48651f86a80c 21 io = !val;
tony63 1:48651f86a80c 22 }
tony63 1:48651f86a80c 23
tony63 1:48651f86a80c 24 int PulseInOut::read_high_us() {
tony63 1:48651f86a80c 25 pulsetime.reset();
tony63 1:48651f86a80c 26 io.input();
tony63 1:48651f86a80c 27 while (io == 1) {
tony63 1:48651f86a80c 28 }
tony63 1:48651f86a80c 29 while (io == 0) {
tony63 1:48651f86a80c 30 }
tony63 1:48651f86a80c 31 pulsetime.start();
tony63 1:48651f86a80c 32 while (io == 1) {
tony63 1:48651f86a80c 33 }
tony63 1:48651f86a80c 34 pulsetime.stop();
tony63 1:48651f86a80c 35 return pulsetime.read_us();
tony63 1:48651f86a80c 36 }
tony63 1:48651f86a80c 37
tony63 1:48651f86a80c 38 int PulseInOut::read_high_us(int timeout) {
tony63 1:48651f86a80c 39 runtime.reset();
tony63 1:48651f86a80c 40 runtime.start();
tony63 1:48651f86a80c 41 pulsetime.reset();
tony63 1:48651f86a80c 42 io.input();
tony63 1:48651f86a80c 43 while (io == 1) {
tony63 1:48651f86a80c 44 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 45 }
tony63 1:48651f86a80c 46 while (io == 0) {
tony63 1:48651f86a80c 47 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 48 }
tony63 1:48651f86a80c 49 pulsetime.start();
tony63 1:48651f86a80c 50 while (io == 1) {
tony63 1:48651f86a80c 51 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 52 }
tony63 1:48651f86a80c 53 pulsetime.stop();
tony63 1:48651f86a80c 54 return pulsetime.read_us();
tony63 1:48651f86a80c 55 }
tony63 1:48651f86a80c 56
tony63 1:48651f86a80c 57 int PulseInOut::read_low_us() {
tony63 1:48651f86a80c 58 pulsetime.reset();
tony63 1:48651f86a80c 59 io.input();
PabloViana 2:a91e76505e52 60 Temp1.start();
PabloViana 2:a91e76505e52 61 while (io == 0 ) {
tony63 1:48651f86a80c 62 }
PabloViana 2:a91e76505e52 63
tony63 1:48651f86a80c 64 while (io == 1) {
tony63 1:48651f86a80c 65 }
PabloViana 2:a91e76505e52 66
tony63 1:48651f86a80c 67 pulsetime.start();
tony63 1:48651f86a80c 68 while (io == 0) {
tony63 1:48651f86a80c 69 }
tony63 1:48651f86a80c 70 pulsetime.stop();
tony63 1:48651f86a80c 71 return pulsetime.read_us();
tony63 1:48651f86a80c 72 }
tony63 1:48651f86a80c 73
tony63 1:48651f86a80c 74 int PulseInOut::read_low_us(int timeout) {
tony63 1:48651f86a80c 75 runtime.reset();
tony63 1:48651f86a80c 76 runtime.start();
tony63 1:48651f86a80c 77 pulsetime.reset();
tony63 1:48651f86a80c 78 io.input();
tony63 1:48651f86a80c 79 while (io == 0) {
tony63 1:48651f86a80c 80 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 81 }
tony63 1:48651f86a80c 82 while (io == 1) {
tony63 1:48651f86a80c 83 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 84 }
tony63 1:48651f86a80c 85 pulsetime.start();
tony63 1:48651f86a80c 86 while (io == 0) {
tony63 1:48651f86a80c 87 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 88 }
tony63 1:48651f86a80c 89 pulsetime.stop();
tony63 1:48651f86a80c 90 return pulsetime.read_us();
tony63 1:48651f86a80c 91 }
tony63 1:48651f86a80c 92
tony63 1:48651f86a80c 93 int PulseInOut::read_us() {
tony63 1:48651f86a80c 94 pulsetime.reset();
tony63 1:48651f86a80c 95 io.input();
tony63 1:48651f86a80c 96 startval = io;
tony63 1:48651f86a80c 97 while (io == startval) {
tony63 1:48651f86a80c 98 }
tony63 1:48651f86a80c 99 pulsetime.start();
tony63 1:48651f86a80c 100 while (io != startval) {
tony63 1:48651f86a80c 101 }
tony63 1:48651f86a80c 102 pulsetime.stop();
tony63 1:48651f86a80c 103 return pulsetime.read_us();
tony63 1:48651f86a80c 104 }
tony63 1:48651f86a80c 105
tony63 1:48651f86a80c 106 int PulseInOut::read_us(int timeout) {
tony63 1:48651f86a80c 107 runtime.reset();
tony63 1:48651f86a80c 108 runtime.start();
tony63 1:48651f86a80c 109 pulsetime.reset();
tony63 1:48651f86a80c 110 io.input();
tony63 1:48651f86a80c 111 startval = io;
tony63 1:48651f86a80c 112 while (io == startval) {
tony63 1:48651f86a80c 113 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 114 }
tony63 1:48651f86a80c 115 pulsetime.start();
tony63 1:48651f86a80c 116 while (io != startval) {
tony63 1:48651f86a80c 117 if (runtime.read_us() > timeout) return -1;
tony63 1:48651f86a80c 118 }
tony63 1:48651f86a80c 119 pulsetime.stop();
tony63 1:48651f86a80c 120 return pulsetime.read_us();
tony63 1:48651f86a80c 121 }