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thermferm/lcd-pcf8574.h@750f2468dec5

thermferm/lcd-pcf8574.h

Fri, 11 Mar 2016 20:27:02 +0100

author

Michiel Broek <mbroek@mbse.eu>

date

Fri, 11 Mar 2016 20:27:02 +0100

changeset 492

750f2468dec5

parent 426

e54611453d29

permissions

-rw-r--r--

Changed PID code. PID parameters are now stored 3 digits instead of 2 behind the decimal point. Prevent extreme heating or cooling in Beer mode. Heat and Cool lockdown now allows the lagest value to win instead of zero them both. PID output treshold from 2% to 50%.

#ifndef	LCD_PCF8574_H
#define	LCD_PCF8574_H


#ifdef HAVE_WIRINGPI_H

// Defines for the pcf8574 Pi LCD interface board
#define AF_BASE         100

#define AF_RS           (AF_BASE + 0)
#define AF_RW           (AF_BASE + 1)
#define AF_E            (AF_BASE + 2)
#define AF_BACKLIGHT    (AF_BASE + 3)
#define AF_DB4          (AF_BASE + 4)
#define AF_DB5          (AF_BASE + 5)
#define AF_DB6          (AF_BASE + 6)
#define AF_DB7          (AF_BASE + 7)

#endif

void setBacklight (int);
int  initLCD (int, int);


#endif