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docs/zh/hardware/serial_port_mapping.md
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@@ -1,27 +1,27 @@
# 串口映射
This topic shows how to determine the mapping between USART/UART serial port device names (e.g. "ttyS0") and the associated ports on a flight controller, such as `TELEM1`, `TELEM2`, `GPS1`, `RC SBUS`, `Debug console`.
本主题说明如何确定USART/UART串行端口（下称串口）设备名称(例如“ttyS0”)与飞行控制器上对应端口（如`TELEM1`、`TELEM2`、`GPS1`、`RC SBUS`、`调试控制台(Debug console)`）之间的映射关系。
The instructions are used to generate serial port mapping tables in flight controller documentation.
For example: [Pixhawk 4 > Serial Port Mapping](../flight_controller/pixhawk4.md#serial-port-mapping).
这份说明用于在飞行控制器文档中生成串行端口映射表。
例如： [Pixhawk 4 > Serial Port Mapping](../flight_controller/pixhawk4.md#serial-port-mapping)。
:::info
The function assigned to each port does not _have to_ match the name (in most cases), and is set using a [Serial Port Configuration](../peripherals/serial_configuration.md).
Usually the port function is configured to match the name, which is why the port labelled `GPS1` will work with a GPS out of the box.
每个端口分配的功能不必与名称匹配（大多数情况下），并通过[串行端口配置](../peripherals/serial_configuration.md)。
通常情况下端口功能是与名称相匹配的，因此标记为`GPS1`的端口可直接连接GPS设备。
:::
## NuttX on STMxxyyy
## NuttX 在 STMxxyyy 上
<!-- instructions from DavidS here: https://github.com/PX4/PX4-user_guide/pull/672#issuecomment-598198434 -->
This section shows how to get the mappings for NuttX builds on STMxxyyy architectures by inspecting the board configuration files.
The instructions use FMUv5, but can similarly be extended for other FMU versions/NuttX boards.
本节将展示如何通过检查板载配置文件，获取在STMxxyyy架构上构建NuttX所需的映射信息。
该说明使用FMUv5，但同样可扩展至其他FMU版本/NuttX开发板。
### default.px4board
###
The **default.px4board** lists a number of serial port mappings (search for the text "SERIAL_PORTS").
**default.px4board** 文件列出了若干串行端口映射（搜索文本“SERIAL_PORTS”）。
From [/boards/px4/fmu-v5/default.px4board](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/default.px4board):
来自 [/boards/px4/fmu-v5/default.px4board](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/default.px4board):
```
CONFIG_BOARD_SERIAL_GPS1="/dev/ttyS0"
@@ -30,7 +30,7 @@ CONFIG_BOARD_SERIAL_TEL2="/dev/ttyS2"
CONFIG_BOARD_SERIAL_TEL4="/dev/ttyS3"
```
Alternatively you can launch boardconfig using `make px4_fmu-v5 boardconfig` and access the serial port menu
或者，您可以通过执行 `make px4_fmu-v5 boardconfig` 启动板配置工具，并进入串口菜单。
```
Serial ports --->
@@ -48,12 +48,12 @@ Alternatively you can launch boardconfig using `make px4_fmu-v5 boardconfig` and
### nsh/defconfig
The _nsh/defconfig_ allows you to determine which ports are defined, whether they are UART or USARTs, and the mapping between USART/UART and device.
You can also determine which port is used for the [serial/debug console](../debug/system_console.md).
_nsh/defconfig_ 允许您确定哪些端口被定义，它们是 UART 还是 USART，以及 USART/UART 与设备之间的映射关系。
您还可以确定用于该功能的端口[serial/debug console](../debug/system_console.md)。
Open the board's defconfig file, for example: [/boards/px4/fmu-v5/nuttx-config/nsh/defconfig](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/nuttx-config/nsh/defconfig#L215-L221)
打开板载的 defconfig 配置文件，例如：[/boards/px4/fmu-v5/nuttx-config/nsh/defconfig](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/nuttx-config/nsh/defconfig#L215-L221)
Search for the text "ART" until you find a section like with entries formatted like `CONFIG_STM32xx_USARTn=y` (where `xx` is a processor type and `n` is a port number).
搜索文本“ART”，直到找到类似以下格式的条目：`CONFIG_STM32xx_USARTn=y`（其中`xx`表示处理器类型，`n`表示端口号）。
例如：
```
@@ -66,10 +66,10 @@ CONFIG_STM32F7_USART3=y
CONFIG_STM32F7_USART6=y
```
The entries tell you which ports are defined, and whether they are UART or USART.
这些条目会告知您哪些端口已被定义，以及它们属于UART还是USART。
Copy the section above and reorder numerically by "n".
Increment the device number _ttyS**n**_ alongside (zero based) to get the device-to-serial-port mapping.
复制上方段落，按“n”进行数字排序。
同时递增设备编号ttySn（基于零的计数），以获取设备到串行端口的映射关系。
```
ttyS0 CONFIG_STM32F7_USART1=y
@@ -81,8 +81,8 @@ ttyS5 CONFIG_STM32F7_UART7=y
ttyS6 CONFIG_STM32F7_UART8=y
```
To get the DEBUG console mapping we search the [defconfig file](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/nuttx-config/nsh/defconfig#L212) for `SERIAL_CONSOLE`.
Below we see that the console is on UART7:
要获取调试控制台映射，我们需在[defconfig file](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/nuttx-config/nsh/defconfig#L212) 搜索 `SERIAL_CONSOLE`.
下面我们看到控制台位于UART7：
```
CONFIG_UART7_SERIAL_CONSOLE=y
@@ -90,9 +90,9 @@ CONFIG_UART7_SERIAL_CONSOLE=y
### board_config.h
For flight controllers that have an IO board, determine the PX4IO connection from **board_config.h** by searching for `PX4IO_SERIAL_DEVICE`.
对于配备IO板的飞行控制器，请通过在**board_config.h**文件中搜索`PX4IO_SERIAL_DEVICE`来确定PX4IO连接。
For example, [/boards/px4/fmu-v5/src/board_config.h](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/src/board_config.h#L59):
例如 [/boards/px4/fmu-v5/src/board_config.h](https://github.com/PX4/PX4-Autopilot/blob/main/boards/px4/fmu-v5/src/board_config.h#L59)：
```
#define PX4IO_SERIAL_DEVICE "/dev/ttyS6"
@@ -101,11 +101,11 @@ For example, [/boards/px4/fmu-v5/src/board_config.h](https://github.com/PX4/PX4-
#define PX4IO_SERIAL_BASE STM32_UART8_BASE
```
So the PX4IO is on `ttyS6` (we can also see that this maps to UART8, which we already knew from the preceding section).
PX4IO 位于 `ttyS6` 上（我们还可以看到它映射到 UART8，这一点我们从前一节已经知道）。
### Putting it all together
### 整合所有内容
The final mapping is:
最终映射表如下：
```
ttyS0 CONFIG_STM32F7_USART1=y GPS1
@@ -117,17 +117,17 @@ ttyS5 CONFIG_STM32F7_UART7=y DEBUG
ttyS6 CONFIG_STM32F7_UART8=y PX4IO
```
In the [flight controller docs](../flight_controller/pixhawk4.md#serial-port-mapping) the resulting table is:
在 [flight controller docs]../flight_controller/pixhawk4.md#serial-port-mapping最终生成的表格如下：
| UART | 设备 | Port |
| ------ | ---------- | ---------------------------------------- |
| UART1 | /dev/ttyS0 | GPS |
| USART2 | /dev/ttyS1 | TELEM1 (flow control) |
| USART3 | /dev/ttyS2 | TELEM2 (flow control) |
| UART4 | /dev/ttyS3 | TELEM4 |
| USART6 | /dev/ttyS4 | RC SBUS |
| UART7 | /dev/ttyS5 | Debug Console |
| UART8 | /dev/ttyS6 | PX4IO |
| UART | 设备 | Port |
| ------ | ---------- | ------------------------------ |
| UART | UART | GPS |
| USART2 | /dev/ttyS1 | TELEM1 (流控) |
| USART3 | /dev/ttyS2 | TELEM2 (流控) |
| UART4 | /dev/ttyS3 | TELEM4 |
| USART6 | /dev/ttyS4 | RC SBUS |
| UART7 | /dev/ttyS5 | 调试控制台 |
| UART8 | /dev/ttyS6 | PX4IO |
## Other Architectures
@@ -135,7 +135,7 @@ In the [flight controller docs](../flight_controller/pixhawk4.md#serial-port-map
Contributions welcome!
:::
## See Also
## 另见
- [Serial Port Configuration](../peripherals/serial_configuration.md)
- [MAVLink Telemetry (OSD/GCS)](../peripherals/mavlink_peripherals.md)