mirror of
https://github.com/RT-Thread/rt-thread.git
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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:
chenjh
+19
-11
@@ -24,22 +24,30 @@ if RT_USING_DEVICE_IPC
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endif
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endif
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config RT_USING_SERIAL
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bool "Using serial device drivers"
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menuconfig RT_USING_SERIAL
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bool "USING Serial device drivers"
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select RT_USING_DEVICE_IPC
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select RT_USING_DEVICE
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default y
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if RT_USING_SERIAL
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config RT_SERIAL_USING_DMA
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bool "Enable serial DMA mode"
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default y
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if RT_USING_SERIAL
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choice
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prompt "Choice Serial version"
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default RT_USING_SERIAL_V1
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config RT_USING_SERIAL_V1
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bool "RT_USING_SERIAL_V1"
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config RT_USING_SERIAL_V2
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bool "RT_USING_SERIAL_V2"
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endchoice
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config RT_SERIAL_USING_DMA
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bool "Enable serial DMA mode"
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default y
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config RT_SERIAL_RB_BUFSZ
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int "Set RX buffer size"
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default 64
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endif
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config RT_SERIAL_RB_BUFSZ
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int "Set RX buffer size"
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depends on !RT_USING_SERIAL_V2
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default 64
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endif
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config RT_USING_CAN
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bool "Using CAN device drivers"
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@@ -0,0 +1,193 @@
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-06-01 KyleChan first version
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*/
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#ifndef __SERIAL_V2_H__
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#define __SERIAL_V2_H__
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#include <rtthread.h>
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#define BAUD_RATE_2400 2400
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#define BAUD_RATE_4800 4800
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#define BAUD_RATE_9600 9600
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#define BAUD_RATE_19200 19200
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#define BAUD_RATE_38400 38400
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#define BAUD_RATE_57600 57600
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#define BAUD_RATE_115200 115200
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#define BAUD_RATE_230400 230400
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#define BAUD_RATE_460800 460800
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#define BAUD_RATE_921600 921600
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#define BAUD_RATE_2000000 2000000
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#define BAUD_RATE_3000000 3000000
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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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#ifdef _WIN32
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#include <windows.h>
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#else
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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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#endif
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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 RT_DEVICE_FLAG_RX_BLOCKING 0x1000
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#define RT_DEVICE_FLAG_RX_NON_BLOCKING 0x2000
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#define RT_DEVICE_FLAG_TX_BLOCKING 0x4000
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#define RT_DEVICE_FLAG_TX_NON_BLOCKING 0x8000
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#define RT_SERIAL_RX_BLOCKING RT_DEVICE_FLAG_RX_BLOCKING
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#define RT_SERIAL_RX_NON_BLOCKING RT_DEVICE_FLAG_RX_NON_BLOCKING
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#define RT_SERIAL_TX_BLOCKING RT_DEVICE_FLAG_TX_BLOCKING
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#define RT_SERIAL_TX_NON_BLOCKING RT_DEVICE_FLAG_TX_NON_BLOCKING
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#define RT_DEVICE_CHECK_OPTMODE 0x20
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#define RT_SERIAL_EVENT_RX_IND 0x01 /* Rx indication */
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#define RT_SERIAL_EVENT_TX_DONE 0x02 /* Tx complete */
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#define RT_SERIAL_EVENT_RX_DMADONE 0x03 /* Rx DMA transfer done */
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#define RT_SERIAL_EVENT_TX_DMADONE 0x04 /* Tx DMA transfer done */
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#define RT_SERIAL_EVENT_RX_TIMEOUT 0x05 /* Rx timeout */
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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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#define RT_SERIAL_TX_DATAQUEUE_SIZE 2048
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#define RT_SERIAL_TX_DATAQUEUE_LWM 30
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#define RT_SERIAL_RX_MINBUFSZ 64
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#define RT_SERIAL_TX_MINBUFSZ 64
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#define RT_SERIAL_TX_BLOCKING_BUFFER 1
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#define RT_SERIAL_TX_BLOCKING_NO_BUFFER 0
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/* Default config for serial_configure structure */
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#define RT_SERIAL_CONFIG_DEFAULT \
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{ \
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BAUD_RATE_115200, /* 115200 bits/s */ \
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DATA_BITS_8, /* 8 databits */ \
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STOP_BITS_1, /* 1 stopbit */ \
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PARITY_NONE, /* No parity */ \
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BIT_ORDER_LSB, /* LSB first sent */ \
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NRZ_NORMAL, /* Normal mode */ \
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RT_SERIAL_RX_MINBUFSZ, /* rxBuf size */ \
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RT_SERIAL_TX_MINBUFSZ, /* txBuf size */ \
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0 \
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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 rx_bufsz :16;
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rt_uint32_t tx_bufsz :16;
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rt_uint32_t reserved :6;
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};
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/*
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* Serial FIFO mode
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*/
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struct rt_serial_rx_fifo
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{
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struct rt_ringbuffer rb;
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rt_uint16_t rx_index;
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struct rt_completion rx_cpt;
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rt_uint16_t rx_cpt_index;
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/* software fifo */
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rt_uint8_t buffer[];
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};
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struct rt_serial_tx_fifo
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{
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struct rt_ringbuffer rb;
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rt_size_t put_size;
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rt_bool_t activated;
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struct rt_completion tx_cpt;
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/* software fifo */
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rt_uint8_t buffer[];
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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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void *serial_rx;
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void *serial_tx;
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};
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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,
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struct serial_configure *cfg);
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rt_err_t (*control)(struct rt_serial_device *serial,
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int cmd,
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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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rt_size_t (*transmit)(struct rt_serial_device *serial,
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rt_uint8_t *buf,
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rt_size_t size,
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rt_uint32_t tx_flag);
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};
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rt_size_t rt_serial_get_linear_buffer(struct rt_ringbuffer *rb,
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rt_uint8_t **ptr);
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rt_size_t rt_serial_update_read_index(struct rt_ringbuffer *rb,
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rt_uint16_t read_index);
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rt_size_t rt_serial_update_write_index(struct rt_ringbuffer *rb,
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rt_uint16_t write_index);
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void rt_hw_serial_isr(struct rt_serial_device *serial, int event);
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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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@@ -57,7 +57,11 @@ extern "C" {
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#endif /* RT_USING_USB_HOST */
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#ifdef RT_USING_SERIAL
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#ifdef RT_USING_SERIAL_V2
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#include "drivers/serial_v2.h"
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#else
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#include "drivers/serial.h"
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#endif
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#endif /* RT_USING_SERIAL */
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#ifdef RT_USING_I2C
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@@ -1,8 +1,13 @@
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from building import *
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cwd = GetCurrentDir()
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src = Glob('*.c')
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cwd = GetCurrentDir()
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CPPPATH = [cwd + '/../include']
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group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SERIAL'], CPPPATH = CPPPATH)
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if GetDepend(['RT_USING_SERIAL']):
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if GetDepend(['RT_USING_SERIAL_V2']):
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src = Glob('serial_v2.c')
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group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SERIAL_V2'], CPPPATH = CPPPATH)
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else:
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src = Glob('serial.c')
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group = DefineGroup('DeviceDrivers', src, depend = ['RT_USING_SERIAL'], CPPPATH = CPPPATH)
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Return('group')
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