nn-usb-fpga/Examples/ehw4/src/test/enable_rx.c

41 lines
1.1 KiB
C
Executable File

/*
JZ47xx test gpio
Copyright (C) 2010 Andres Calderon andres.calderon@emqbit.com
Carlos Camargo cicamargoba@unal.edu.co
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include <stdio.h>
#include <unistd.h>
#include "jz47xx_gpio.h"
#define RXD_PORT JZ_GPIO_PORT_D
#define RXD_PIN 26
int
main ()
{
JZ_PIO *pio = jz_gpio_map (RXD_PORT);
if (!pio)
return -1;
jz_gpio_as_func (pio, RXD_PIN, 1);
return 0;
}