FreeModbus_Slave-Master-RTT.../RT-Thread-1.1.1/libcpu/avr32/uc3/serial.h

54 lines
1.3 KiB
C

/*
* File : serial.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009 - 2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first version
* 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
* 2010-03-30 Kyle Ported from STM32 to AVR32.
*/
#ifndef __RT_HW_SERIAL_H__
#define __RT_HW_SERIAL_H__
#include <rthw.h>
#include <rtthread.h>
#include "compiler.h"
#include "usart.h"
#define UART_RX_BUFFER_SIZE 64
#define UART_TX_DMA_NODE_SIZE 4
/* data node for Tx Mode */
struct avr32_serial_data_node
{
rt_uint8_t *data_ptr;
rt_size_t data_size;
struct avr32_serial_data_node *next, *prev;
};
struct avr32_serial_int_rx
{
rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
rt_uint32_t read_index, save_index;
};
struct avr32_serial_device
{
avr32_usart_t *uart_device;
/* rx structure */
struct avr32_serial_int_rx* int_rx;
};
rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct avr32_serial_device *serial);
void rt_hw_serial_isr();
#endif