blob: 657df3a1563a9e9dba8a323464dc76d40c59ee67 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* Copyright (C) 2016 - IIT Bombay - FOSSEE
This file must be used under the terms of the CeCILL.
This source file is licensed as described in the file COPYING, which
you should have received as part of this distribution. The terms
are also available at
http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
Author: Siddhesh Wani
Organization: FOSSEE, IIT Bombay
Email: toolbox@scilab.in
*/
/* Function to setup digital pins.
Calling Sequence
u8RPI_DigitalSetup(pin,direction)
Parameters
pin : pin of RPi to be used
direction : direction to be set for pin (0 -> INPUT, 1 -> OUTPUT)
Description
There are few pins available on RPi as Gpio or digital io. These pins can be used as digital output or input. Pin name must be provided from list provided. Please refer '' for complete list of pins. Direction can be 0 or 1 depending upon desired function (Input/output)
Examples
RPI_DigitalSetup(RPI_GPIO_P1_03,0) //Sets pin 3 of header P1 as input
See also
RPI_DigitalIn RPI_DigitalOut
*/
#include "types.h"
#include "RPIPeripheralDigital.h"
uint8 u8RPIDigitalSetups(uint8 pin, uint8 direction)
{
if(direction == 1) //Pin to be used as output
{
bcm2835_gpio_fsel(pin, BCM2835_GPIO_FSEL_OUTP);
}
else
{
bcm2835_gpio_fsel(pin, BCM2835_GPIO_FSEL_INPT);
}
}
|
