定义
#define	LL_LPUART_HWCONTROL_NONE 0x00000000U
#define	LL_LPUART_HWCONTROL_RTS USART_CR3_RTSE
#define	LL_LPUART_HWCONTROL_CTS USART_CR3_CTSE
#define	LL_LPUART_HWCONTROL_RTS_CTS (USART_CR3_RTSE \| USART_CR3_CTSE)

定义文档

#define LL_LPUART_HWCONTROL_CTS USART_CR3_CTSE

CTS模式已启用，数据仅当nCTS输入被确认（接为0）时才发送

Definition at line 380 of file stm32g4xx_ll_lpuart.h.

#define LL_LPUART_HWCONTROL_NONE 0x00000000U

CTS和RTS硬件流控制被禁用

Definition at line 377 of file stm32g4xx_ll_lpuart.h.

#define LL_LPUART_HWCONTROL_RTS USART_CR3_RTSE

RTS输出已启用，数据仅当接收缓冲区有空间时才请求发送

Definition at line 378 of file stm32g4xx_ll_lpuart.h.

#define LL_LPUART_HWCONTROL_RTS_CTS (USART_CR3_RTSE | USART_CR3_CTSE)

CTS和RTS硬件流控制已启用

Definition at line 382 of file stm32g4xx_ll_lpuart.h.