blob: 375ca8917ce86c5a5d12b38137b015ae5644bc86 (
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
|
// Function to change the output state of the gpio pin
//
// Calling Sequence
// u8RPI_DigitalOuts(pin,state)
//
// Parameters
// pin : pin of RPi to be used
// state : desired output state for pin (0 -> LOW, 1 -> HIGH)
//
// Description
// There are few pins available on RPi as Gpio or digital i/o. 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. 'state' can be 0 or 1 depending upon desired output (Low/High). RPI_DigitalSetup with appropriate arguments must be called before using this function.
// Examples
// u8RPI_DigitalOuts(RPI_GPIO_P1_03,1) //Sets pin 3 of header P1 as 'high' output
//
//
// Authors
// Siddhesh Wani
//
#include "types.h"
#include "RPIPeripheralDigital.h"
uint8 u8RPIDigitalOuts(uint8 pin, uint8 state)
{
if (state == 0) //low output
bcm2835_gpio_clr(pin);
if (state == 1) //high output
bcm2835_gpio_set(pin);
}
|