re-format the coding style in serial.h
1, Tabs to Spaces 2, File Format(CR/LF) using UNIX style 3, maximum line length = 80 git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2282 bbd45198-f89e-11dd-88c7-29a3b14d5316
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dzzxzz@gmail.com
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/*
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* File : serial.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-05-15 lgnq first version.
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* 2012-05-28 bernard chage interfaces
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*/
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#ifndef __SERIAL_H__
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#define __SERIAL_H__
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#include <rtthread.h>
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#define BAUD_RATE_9600 9600
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#define BAUD_RATE_115200 115200
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#define DATA_BITS_5 5
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#define DATA_BITS_6 6
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#define DATA_BITS_7 7
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#define DATA_BITS_8 8
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#define DATA_BITS_9 9
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#define STOP_BITS_1 0
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#define STOP_BITS_2 1
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#define STOP_BITS_3 2
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#define STOP_BITS_4 3
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#define PARITY_NONE 0
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#define PARITY_ODD 1
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#define PARITY_EVEN 2
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#define BIT_ORDER_LSB 0
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#define BIT_ORDER_MSB 1
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#define NRZ_NORMAL 0 /* Non Return to Zero : normal mode */
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#define NRZ_INVERTED 1 /* Non Return to Zero : inverted mode */
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#define UART_RX_BUFFER_SIZE 64
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#define UART_TX_BUFFER_SIZE 64
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#define SERIAL_RBUFFER_SIZE 64
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#define RT_DEVICE_CTRL_CONFIG 0x03 /* configure device */
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#define RT_DEVICE_CTRL_SET_INT 0x10 /* enable receive irq */
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#define RT_DEVICE_CTRL_CLR_INT 0x11 /* disable receive irq */
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#define RT_DEVICE_CTRL_GET_INT 0x12
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#define RT_SERIAL_RX_INT 0x01
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#define RT_SERIAL_TX_INT 0x02
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#define RT_SERIAL_ERR_OVERRUN 0x01
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#define RT_SERIAL_ERR_FRAMING 0x02
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#define RT_SERIAL_ERR_PARITY 0x03
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struct serial_ringbuffer
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{
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rt_uint8_t buffer[SERIAL_RBUFFER_SIZE];
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rt_uint16_t put_index, get_index;
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};
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struct serial_configure
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{
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rt_uint32_t baud_rate;
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rt_uint32_t data_bits :4;
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rt_uint32_t stop_bits :2;
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rt_uint32_t parity :2;
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rt_uint32_t bit_order :1;
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rt_uint32_t invert :1;
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rt_uint32_t reserved :20;
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};
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struct rt_serial_device
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{
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struct rt_device parent;
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const struct rt_uart_ops *ops;
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struct serial_configure config;
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/* rx structure */
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struct serial_ringbuffer *int_rx;
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/* tx structure */
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struct serial_ringbuffer *int_tx;
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};
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typedef struct rt_serial_device rt_serial_t;
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/**
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* uart operators
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*/
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struct rt_uart_ops
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{
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rt_err_t (*configure)(struct rt_serial_device *serial, struct serial_configure *cfg);
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rt_err_t (*control)(struct rt_serial_device *serial, int cmd, void *arg);
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int (*putc)(struct rt_serial_device *serial, char c);
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int (*getc)(struct rt_serial_device *serial);
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};
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void rt_hw_serial_isr(struct rt_serial_device *serial);
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rt_err_t rt_hw_serial_register(struct rt_serial_device *serial, const char *name, rt_uint32_t flag, void *data);
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#endif
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/*
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* File : serial.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2012-05-15 lgnq first version.
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* 2012-05-28 bernard chage interfaces
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*/
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#ifndef __SERIAL_H__
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#define __SERIAL_H__
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#include <rtthread.h>
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#define BAUD_RATE_9600 9600
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#define BAUD_RATE_115200 115200
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#define DATA_BITS_5 5
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#define DATA_BITS_6 6
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#define DATA_BITS_7 7
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#define DATA_BITS_8 8
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#define DATA_BITS_9 9
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#define STOP_BITS_1 0
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#define STOP_BITS_2 1
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#define STOP_BITS_3 2
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#define STOP_BITS_4 3
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#define PARITY_NONE 0
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#define PARITY_ODD 1
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#define PARITY_EVEN 2
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#define BIT_ORDER_LSB 0
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#define BIT_ORDER_MSB 1
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#define NRZ_NORMAL 0 /* Non Return to Zero : normal mode */
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#define NRZ_INVERTED 1 /* Non Return to Zero : inverted mode */
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#define UART_RX_BUFFER_SIZE 64
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#define UART_TX_BUFFER_SIZE 64
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#define SERIAL_RBUFFER_SIZE 64
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#define RT_DEVICE_CTRL_CONFIG 0x03 /* configure device */
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#define RT_DEVICE_CTRL_SET_INT 0x10 /* enable receive irq */
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#define RT_DEVICE_CTRL_CLR_INT 0x11 /* disable receive irq */
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#define RT_DEVICE_CTRL_GET_INT 0x12
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#define RT_SERIAL_RX_INT 0x01
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#define RT_SERIAL_TX_INT 0x02
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#define RT_SERIAL_ERR_OVERRUN 0x01
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#define RT_SERIAL_ERR_FRAMING 0x02
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#define RT_SERIAL_ERR_PARITY 0x03
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struct serial_ringbuffer
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{
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rt_uint8_t buffer[SERIAL_RBUFFER_SIZE];
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rt_uint16_t put_index, get_index;
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};
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struct serial_configure
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{
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rt_uint32_t baud_rate;
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rt_uint32_t data_bits :4;
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rt_uint32_t stop_bits :2;
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rt_uint32_t parity :2;
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rt_uint32_t bit_order :1;
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rt_uint32_t invert :1;
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rt_uint32_t reserved :20;
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};
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struct rt_serial_device
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{
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struct rt_device parent;
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const struct rt_uart_ops *ops;
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struct serial_configure config;
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/* rx structure */
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struct serial_ringbuffer *int_rx;
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/* tx structure */
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struct serial_ringbuffer *int_tx;
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};
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typedef struct rt_serial_device rt_serial_t;
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/**
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* uart operators
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*/
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struct rt_uart_ops
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{
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rt_err_t (*configure)(struct rt_serial_device *serial, struct serial_configure *cfg);
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rt_err_t (*control)(struct rt_serial_device *serial, int cmd, void *arg);
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int (*putc)(struct rt_serial_device *serial, char c);
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int (*getc)(struct rt_serial_device *serial);
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};
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void rt_hw_serial_isr(struct rt_serial_device *serial);
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rt_err_t rt_hw_serial_register(struct rt_serial_device *serial,
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const char *name,
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rt_uint32_t flag,
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void *data);
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#endif
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