thermferm/lcd-pcf8574.h

Mon, 25 Mar 2024 17:14:56 +0100

author
Michiel Broek <mbroek@mbse.eu>
date
Mon, 25 Mar 2024 17:14:56 +0100
changeset 650
0b215e4b814e
parent 426
e54611453d29
permissions
-rw-r--r--

Brought the retry attempts to read the DHT11 sensors to the main devices loop. The actual read function is now very simple. Called every 30 seconds when all is well, or 2 seconds if something is wrong.

#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

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