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gertboard.h
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1 /*
2  * gertboard.h:
3  * Access routines for the SPI devices on the Gertboard
4  * Copyright (c) 2012 Gordon Henderson
5  *
6  * The Gertboard has an MCP4802 dual-channel D to A convertor
7  * connected to the SPI bus, selected via chip-select B.
8  *
9  ***********************************************************************
10  * This file is part of wiringPi:
11  * https://projects.drogon.net/raspberry-pi/wiringpi/
12  *
13  * wiringPi is free software: you can redistribute it and/or modify
14  * it under the terms of the GNU Lesser General Public License as
15  * published by the Free Software Foundation, either version 3 of the
16  * License, or (at your option) any later version.
17  *
18  * wiringPi is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU Lesser General Public License for more details.
22  *
23  * You should have received a copy of the GNU Lesser General Public
24  * License along with wiringPi.
25  * If not, see <http://www.gnu.org/licenses/>.
26  ***********************************************************************
27  */
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 // Old routines
34 
35 extern void gertboardAnalogWrite (const int chan, const int value) ;
36 extern int gertboardAnalogRead (const int chan) ;
37 extern int gertboardSPISetup (void) ;
38 
39 // New
40 
41 extern int gertboardAnalogSetup (const int pinBase) ;
42 
43 #ifdef __cplusplus
44 }
45 #endif
int gertboardAnalogRead(const int chan)
Definition: gertboard.c:88
int gertboardSPISetup(void)
Definition: gertboard.c:114
void gertboardAnalogWrite(const int chan, const int value)
Definition: gertboard.c:61
int gertboardAnalogSetup(const int pinBase)
Definition: gertboard.c:151