uart.h File Reference

API Description

UART is the Universal asynchronous receiver/transmitter interface to libmraa. It allows the exposure of UART pins on supported boards. With functionality to expand at a later date.

#include "mraa.h"

int
main(int argc, char **argv)
{
    mraa_uart_context uart;
    uart = mraa_uart_init(0);

    if (uart == NULL) {
        fprintf(stdout, "UART failed to setup\n");
    }

    mraa_deinit();
    return 0;
}

Go to the source code of this file.

Functions
mraa_uart_context	mraa_uart_init (int uart)
char *	mraa_uart_get_dev_path (mraa_uart_context dev)

Typedefs
typedef struct _uart *	mraa_uart_context

Function Documentation

mraa_uart_context mraa_uart_init

(

int

uart

)

Initialise uart_context, uses board mapping

Parameters

uart	the index of the uart set to use

Returns

uart context or NULL

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char* mraa_uart_get_dev_path

(

mraa_uart_context

dev

)

Get Char pointer with tty device path within Linux For example. Could point to "/dev/ttyS0"

Parameters

dev	uart context

Returns

char pointer of device path

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