2013-07-17 13:37:31 +08:00
|
|
|
/*
|
2013-07-17 18:42:19 +08:00
|
|
|
* File : serial.h
|
2013-07-17 13:37:31 +08:00
|
|
|
* This file is part of RT-Thread RTOS
|
2013-07-17 18:42:19 +08:00
|
|
|
* COPYRIGHT (C) 2006 - 2013, RT-Thread Development Team
|
2013-07-17 13:37:31 +08:00
|
|
|
*
|
2013-07-17 18:42:19 +08:00
|
|
|
* 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.,
|
|
|
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
2013-07-17 13:37:31 +08:00
|
|
|
*
|
|
|
|
|
* Change Logs:
|
|
|
|
|
* Date Author Notes
|
|
|
|
|
* 2006-03-13 Bernard first version
|
|
|
|
|
* 2009-04-20 yi.qiu modified according bernard's stm32 version
|
|
|
|
|
* 2010-10-6 wangmeng added sep4020 surpport
|
|
|
|
|
* 2013-7-15 Peng Fan Modified from sep4020
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#ifndef __SERIAL_H__
|
|
|
|
|
#define __SERIAL_H__
|
|
|
|
|
|
|
|
|
|
#include <sep6200.h>
|
|
|
|
|
|
|
|
|
|
#define USTAT_RCV_READY 0x01 /* receive data ready */
|
|
|
|
|
#define USTAT_OVERRUN 0x02 /* overrun */
|
|
|
|
|
#define USTAT_PARITY_ERR 0x04 /* parity error */
|
|
|
|
|
#define USTAT_FRAME_ERROR 0x08 /* frame error */
|
|
|
|
|
#define USTAT_BREAK 0x10 /* break */
|
|
|
|
|
#define USTAT_TXB_EMPTY 0x40 /* tx buffer empty */
|
|
|
|
|
#define USTAT_RCV_ERR 0x80 /* receive error */
|
|
|
|
|
|
|
|
|
|
#define BPS 115200 /* serial baudrate */
|
|
|
|
|
|
|
|
|
|
#define UART_RX_BUFFER_SIZE 64
|
|
|
|
|
#define UART_TX_BUFFER_SIZE 64
|
|
|
|
|
|
|
|
|
|
/*For sep6200's uart have several secondary function*/
|
|
|
|
|
/*we use union to decribe it*/
|
|
|
|
|
|
|
|
|
|
union dlbl_fifo
|
|
|
|
|
{
|
|
|
|
|
rt_uint32_t dlbl;
|
|
|
|
|
rt_uint32_t rxfifo;
|
|
|
|
|
rt_uint32_t txfifo;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
union dlbh_ier
|
|
|
|
|
{
|
|
|
|
|
rt_uint32_t dlbh;
|
|
|
|
|
rt_uint32_t ier;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
union iir_fcr
|
|
|
|
|
{
|
|
|
|
|
rt_uint32_t iir;
|
|
|
|
|
rt_uint32_t fcr;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct serial_int_rx
|
|
|
|
|
{
|
|
|
|
|
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
|
|
|
|
|
rt_uint32_t read_index, save_index;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct serial_int_tx
|
|
|
|
|
{
|
|
|
|
|
rt_uint8_t tx_buffer[UART_TX_BUFFER_SIZE];
|
|
|
|
|
rt_uint32_t write_index, save_index;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
typedef struct uartport
|
|
|
|
|
{
|
|
|
|
|
union dlbl_fifo dlbl_fifo;
|
|
|
|
|
union dlbh_ier dlbh_ier;
|
|
|
|
|
union iir_fcr iir_fcr;
|
|
|
|
|
rt_uint32_t lcr;
|
|
|
|
|
rt_uint32_t mcr;
|
|
|
|
|
rt_uint32_t lsr;
|
|
|
|
|
rt_uint32_t msr;
|
|
|
|
|
}uartport;
|
|
|
|
|
|
|
|
|
|
struct serial_device
|
|
|
|
|
{
|
|
|
|
|
uartport* uart_device;
|
|
|
|
|
|
|
|
|
|
/* rx structure */
|
|
|
|
|
struct serial_int_rx* int_rx;
|
|
|
|
|
|
|
|
|
|
/* tx structure */
|
|
|
|
|
struct serial_int_tx* int_tx;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct serial_device *serial);
|
|
|
|
|
|
|
|
|
|
void rt_hw_serial_isr(rt_device_t device);
|
|
|
|
|
|
|
|
|
|
#endif
|
