Keven Gomes / Mbed 2 deprecated 199_TESTER

This is a remote control tester, it uses a CNC, Ethernet Communication with a JAVAFX interface and a PLC in order to control some valves.

Dependencies:   EthernetInterface mbed-rtos mbed

Fork of CNC_CONTROLLER by Lahis Almeida

PCF8574.cpp@2:835c883d81b0, 2017-12-15 (annotated)

Committer:
kevencastro7
Date:
Fri Dec 15 19:40:41 2017 +0000
Revision:
2:835c883d81b0
This is a remote control tester, it uses a CNC, Ethernet Communication with  a JAVAFX interface and a PLC in order to control some valves.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevencastro7 2:835c883d81b0 1 #include "PCF8574.h"
kevencastro7 2:835c883d81b0 2 #include "mbed.h"
kevencastro7 2:835c883d81b0 3
kevencastro7 2:835c883d81b0 4 PCF8574::PCF8574(PinName sda, PinName scl, int address)
kevencastro7 2:835c883d81b0 5 : _i2c(sda, scl) {
kevencastro7 2:835c883d81b0 6 _address = address;
kevencastro7 2:835c883d81b0 7 }
kevencastro7 2:835c883d81b0 8
kevencastro7 2:835c883d81b0 9 int PCF8574::read(int port) {
kevencastro7 2:835c883d81b0 10 char foo[1];
kevencastro7 2:835c883d81b0 11 int num,r,i=0;
kevencastro7 2:835c883d81b0 12 int bin[8];
kevencastro7 2:835c883d81b0 13 _i2c.read(_address, foo, 1);
kevencastro7 2:835c883d81b0 14 num = foo[0];
kevencastro7 2:835c883d81b0 15 while(num!=0){
kevencastro7 2:835c883d81b0 16 r = num%2;
kevencastro7 2:835c883d81b0 17 bin[i++] = r;
kevencastro7 2:835c883d81b0 18 num /= 2;
kevencastro7 2:835c883d81b0 19 }
kevencastro7 2:835c883d81b0 20 return(bin[port]);
kevencastro7 2:835c883d81b0 21 }
kevencastro7 2:835c883d81b0 22
kevencastro7 2:835c883d81b0 23 void PCF8574::write(int data) {
kevencastro7 2:835c883d81b0 24 char foo[1];
kevencastro7 2:835c883d81b0 25 foo[0] = data;
kevencastro7 2:835c883d81b0 26 _i2c.write(_address, foo, 1);
kevencastro7 2:835c883d81b0 27 }
kevencastro7 2:835c883d81b0 28