Daniel Scarnatto / Mbed 2 deprecated Test2PCF8574

Test PCF8574 chips with leds

Dependencies:   mbed PCF8574

main.cpp@0:759957225002, 2019-07-22 (annotated)

Committer:
dscarnatto
Date:
Mon Jul 22 01:29:04 2019 +0000
Revision:
0:759957225002
Test PCF8574 with leds and  PCF8574 Lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dscarnatto 0:759957225002 1 #include "mbed.h"
dscarnatto 0:759957225002 2 #include "pcf8574.h"
dscarnatto 0:759957225002 3
dscarnatto 0:759957225002 4
dscarnatto 0:759957225002 5
dscarnatto 0:759957225002 6 I2C _i2c(D14, D15);// (sda,scl)
dscarnatto 0:759957225002 7
dscarnatto 0:759957225002 8
dscarnatto 0:759957225002 9 int main()
dscarnatto 0:759957225002 10 {
dscarnatto 0:759957225002 11 //Inicializamos
dscarnatto 0:759957225002 12 PCF8574 pcf(&_i2c,0x00,PCF8574_TYPE);
dscarnatto 0:759957225002 13 unsigned char dato;
dscarnatto 0:759957225002 14 dato = 0x01;
dscarnatto 0:759957225002 15 while(1)
dscarnatto 0:759957225002 16 {
dscarnatto 0:759957225002 17 pcf.WriteByte(dato);
dscarnatto 0:759957225002 18 wait(0.5);
dscarnatto 0:759957225002 19 if (dato == 0x80) dato = 0x01;
dscarnatto 0:759957225002 20 dato = (dato << 1);
dscarnatto 0:759957225002 21
dscarnatto 0:759957225002 22 }
dscarnatto 0:759957225002 23
dscarnatto 0:759957225002 24 }