nes-proj/arch/platform/jn516x/dev/uart0.c

76 lines
2.5 KiB
C

/*
* Copyright (c) 2014, SICS Swedish ICT.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* UART0 drivers
* \author
* Beshr Al Nahas <beshr@sics.se>
*
*/
#include <jendefs.h>
#include <AppHardwareApi.h>
#include <PeripheralRegs.h>
#include "contiki.h"
#include "dev/uart0.h"
#include "uart-driver.h"
/* Valid range for TXBUFSIZE and RXBUFSIZE: 16-2047 */
static unsigned char txbuf_data[UART_TX_BUFFER_SIZE];
static unsigned char rxbuf_data[UART_RX_BUFFER_SIZE];
static int (*uart0_input)(unsigned char c);
uint8_t
uart0_active(void)
{
return uart_driver_tx_in_progress(E_AHI_UART_0);
}
void
uart0_set_input(int
(*input)(unsigned char c))
{
uart0_input = input;
uart_driver_set_input(E_AHI_UART_0, uart0_input);
}
void
uart0_writeb(unsigned char c)
{
uart_driver_write_buffered(E_AHI_UART_0, c);
}
void
uart0_init(uint8_t br)
{
uart_driver_init(E_AHI_UART_0, br, txbuf_data, UART_TX_BUFFER_SIZE, rxbuf_data, UART_RX_BUFFER_SIZE, uart0_input);
}