Mercurial > mbsePi-apps / annotate

mash/lcd-pcf8574.h@7b0f819a3805 (annotated)

mash/lcd-pcf8574.h

Mon, 16 Feb 2015 19:52:42 +0100

author
Michiel Broek <mbroek@mbse.eu>
date
Mon, 16 Feb 2015 19:52:42 +0100
changeset 312
7b0f819a3805
parent 103
99c47a8a61cb
permissions
-rw-r--r--

Added more precision to the unit low and high black window margins. Switched to PID routine from Pid without a PhD. The PID compute routine is now in the one second loop. The switch delay times are now in seconds, 0..720.

103
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1 #ifndef _LCD_PCF8574_H
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2 #define _LCD_PCF8574_H
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3
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4
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5 #ifdef HAVE_WIRINGPI_H
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6 /* wiringPi */
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7 #include <wiringPi.h>
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8 #include <pcf8574.h>
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9 #include <lcd.h>
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10
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11
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12 // Defines for the pcf8574 Pi LCD interface board
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13 #define AF_BASE 100
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14
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15 #define AF_RS (AF_BASE + 0)
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16 #define AF_RW (AF_BASE + 1)
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17 #define AF_E (AF_BASE + 2)
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18 #define AF_BACKLIGHT (AF_BASE + 3)
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19 #define AF_DB4 (AF_BASE + 4)
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20 #define AF_DB5 (AF_BASE + 5)
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21 #define AF_DB6 (AF_BASE + 6)
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22 #define AF_DB7 (AF_BASE + 7)
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23
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24
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25 void setBacklight (int);
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26 int initLCD (int, int);
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27 void mb_lcdPutchar(const int, unsigned char);
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28 void mb_lcdPuts(const int, const char *);
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29 void mb_lcdClear(const int);
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30
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31 #endif
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32
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33 #endif

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