初始化串口
## 初始化串口
```language
void xy_UART_Init(
UART_TypeDef UARTx,
uint32_t Baudrate,
UARTDataLen_TypeDef DataBits,
UARTStopBit_TypeDef StopBit,
UARTParity_TypeDef Parity
)
```
## 参数说明
|参数|功能说明|
|-|-|-|
|UARTx|串口编号|
|Baudrate|波特率设置|
|DataBits|数据位设置|
|StopBit|停止位设置|
|Parity|串口优先级|
## 串口编号
|枚举值|
|-|-|-|
|UART1 |
## 数据位设置
|枚举值|
|-|-|-|
|UART_DATA_BITS_6 |
|UART_DATA_BITS_7 |
|UART_DATA_BITS_8 |
## 停止位设置
|枚举值|
|-|-|-|
|UART_STOP_BITS_1 |
|UART_STOP_BITS_1_5 |
|UART_STOP_BITS_2|
## 串口优先级
|枚举值|
|-|-|-|
|UART_PARITY_EVEN |
|UART_PARITY_ODD |
|UART_PARITY_ZERO |
|UART_PARITY_ONE |
|UART_PARITY_NONE |