Reiko Randoja / PCA9555

PCA9555

Dependents:   Telliskivi2_2014 PowerManagementBoard_Rev_A_2017

PCA9555.cpp@0:011622696878, 2013-07-29 (annotated)

Committer:
Reiko
Date:
Mon Jul 29 20:36:59 2013 +0000
Revision:
0:011622696878
Child:
1:a6699cd826bb
Created PCA9555 library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Reiko 0:011622696878 1 #include "PCA9555.h"
Reiko 0:011622696878 2 #include "mbed.h"
Reiko 0:011622696878 3
Reiko 0:011622696878 4 PCA9555::PCA9555(PinName sda, PinName scl, int address)
Reiko 0:011622696878 5 : _i2c(sda, scl) {
Reiko 0:011622696878 6 _address = address;
Reiko 0:011622696878 7 }
Reiko 0:011622696878 8
Reiko 0:011622696878 9 int PCA9555::read() {
Reiko 0:011622696878 10 char foo[2];
Reiko 0:011622696878 11 _i2c.read(_address, foo, 2);
Reiko 0:011622696878 12 return (foo[1] << 8) | foo[0];
Reiko 0:011622696878 13 }
Reiko 0:011622696878 14
Reiko 0:011622696878 15 void PCA9555::write(int data) {
Reiko 0:011622696878 16 char foo[2];
Reiko 0:011622696878 17 foo[0]=data;
Reiko 0:011622696878 18 foo[1]=data>>8;
Reiko 0:011622696878 19 _i2c.write(_address, foo, 2);
Reiko 0:011622696878 20 }