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Merge pull request #4764 from KyleChenjh/master

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[serial] 增加serial_v2版本的框架和基于stm32的串口驱动
This commit is contained in:
Bernard Xiong
2021-06-21 14:29:04 +08:00
committed by GitHub
parent b032f9a6e2 0613cf8ca2
commit bccdf912c8
14 changed files with 3187 additions and 369 deletions
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components/drivers/include/drivers/serial_v2.h
+185
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@@ -0,0 +1,185 @@
/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-06-01 KyleChan first version
*/
#ifndef __SERIAL_V2_H__
#define __SERIAL_V2_H__
#include <rtthread.h>
#define BAUD_RATE_2400 2400
#define BAUD_RATE_4800 4800
#define BAUD_RATE_9600 9600
#define BAUD_RATE_19200 19200
#define BAUD_RATE_38400 38400
#define BAUD_RATE_57600 57600
#define BAUD_RATE_115200 115200
#define BAUD_RATE_230400 230400
#define BAUD_RATE_460800 460800
#define BAUD_RATE_921600 921600
#define BAUD_RATE_2000000 2000000
#define BAUD_RATE_3000000 3000000
#define DATA_BITS_5 5
#define DATA_BITS_6 6
#define DATA_BITS_7 7
#define DATA_BITS_8 8
#define DATA_BITS_9 9
#define STOP_BITS_1 0
#define STOP_BITS_2 1
#define STOP_BITS_3 2
#define STOP_BITS_4 3
#ifdef _WIN32
#include <windows.h>
#else
#define PARITY_NONE 0
#define PARITY_ODD 1
#define PARITY_EVEN 2
#endif
#define BIT_ORDER_LSB 0
#define BIT_ORDER_MSB 1
#define NRZ_NORMAL 0 /* Non Return to Zero : normal mode */
#define NRZ_INVERTED 1 /* Non Return to Zero : inverted mode */
#define RT_DEVICE_FLAG_RX_BLOCKING 0x1000
#define RT_DEVICE_FLAG_RX_NON_BLOCKING 0x2000
#define RT_DEVICE_FLAG_TX_BLOCKING 0x4000
#define RT_DEVICE_FLAG_TX_NON_BLOCKING 0x8000
#define RT_SERIAL_RX_BLOCKING RT_DEVICE_FLAG_RX_BLOCKING
#define RT_SERIAL_RX_NON_BLOCKING RT_DEVICE_FLAG_RX_NON_BLOCKING
#define RT_SERIAL_TX_BLOCKING RT_DEVICE_FLAG_TX_BLOCKING
#define RT_SERIAL_TX_NON_BLOCKING RT_DEVICE_FLAG_TX_NON_BLOCKING
#define RT_DEVICE_CHECK_OPTMODE 0x20
#define RT_SERIAL_EVENT_RX_IND 0x01 /* Rx indication */
#define RT_SERIAL_EVENT_TX_DONE 0x02 /* Tx complete */
#define RT_SERIAL_EVENT_RX_DMADONE 0x03 /* Rx DMA transfer done */
#define RT_SERIAL_EVENT_TX_DMADONE 0x04 /* Tx DMA transfer done */
#define RT_SERIAL_EVENT_RX_TIMEOUT 0x05 /* Rx timeout */
#define RT_SERIAL_ERR_OVERRUN 0x01
#define RT_SERIAL_ERR_FRAMING 0x02
#define RT_SERIAL_ERR_PARITY 0x03
#define RT_SERIAL_TX_DATAQUEUE_SIZE 2048
#define RT_SERIAL_TX_DATAQUEUE_LWM 30
#define RT_SERIAL_RX_MINBUFSZ 64
#define RT_SERIAL_TX_MINBUFSZ 64
#define RT_SERIAL_TX_BLOCKING_BUFFER 1
#define RT_SERIAL_TX_BLOCKING_NO_BUFFER 0
/* Default config for serial_configure structure */
#define RT_SERIAL_CONFIG_DEFAULT \
{ \
BAUD_RATE_115200, /* 115200 bits/s */ \
DATA_BITS_8, /* 8 databits */ \
STOP_BITS_1, /* 1 stopbit */ \
PARITY_NONE, /* No parity */ \
BIT_ORDER_LSB, /* LSB first sent */ \
NRZ_NORMAL, /* Normal mode */ \
RT_SERIAL_RX_MINBUFSZ, /* rxBuf size */ \
RT_SERIAL_TX_MINBUFSZ, /* txBuf size */ \
0 \
}
struct serial_configure
{
rt_uint32_t baud_rate;
rt_uint32_t data_bits :4;
rt_uint32_t stop_bits :2;
rt_uint32_t parity :2;
rt_uint32_t bit_order :1;
rt_uint32_t invert :1;
rt_uint32_t rx_bufsz :16;
rt_uint32_t tx_bufsz :16;
rt_uint32_t reserved :6;
};
/*
* Serial Receive FIFO mode
*/
struct rt_serial_rx_fifo
{
struct rt_ringbuffer rb;
struct rt_completion rx_cpt;
rt_uint16_t rx_cpt_index;
/* software fifo */
rt_uint8_t buffer[];
};
/*
* Serial Transmit FIFO mode
*/
struct rt_serial_tx_fifo
{
struct rt_ringbuffer rb;
rt_size_t put_size;
rt_bool_t activated;
struct rt_completion tx_cpt;
/* software fifo */
rt_uint8_t buffer[];
};
struct rt_serial_device
{
struct rt_device parent;
const struct rt_uart_ops *ops;
struct serial_configure config;
void *serial_rx;
void *serial_tx;
};
/**
* uart operators
*/
struct rt_uart_ops
{
rt_err_t (*configure)(struct rt_serial_device *serial,
struct serial_configure *cfg);
rt_err_t (*control)(struct rt_serial_device *serial,
int cmd,
void *arg);
int (*putc)(struct rt_serial_device *serial, char c);
int (*getc)(struct rt_serial_device *serial);
rt_size_t (*transmit)(struct rt_serial_device *serial,
rt_uint8_t *buf,
rt_size_t size,
rt_uint32_t tx_flag);
};
void rt_hw_serial_isr(struct rt_serial_device *serial, int event);
rt_err_t rt_hw_serial_register(struct rt_serial_device *serial,
const char *name,
rt_uint32_t flag,
void *data);
#endif
components/drivers/include/rtdevice.h
+4
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@@ -57,7 +57,11 @@ extern "C" {
#endif /* RT_USING_USB_HOST */
#ifdef RT_USING_SERIAL
#ifdef RT_USING_SERIAL_V2
#include "drivers/serial_v2.h"
#else
#include "drivers/serial.h"
#endif
#endif /* RT_USING_SERIAL */
#ifdef RT_USING_I2C