STM32L486xx HAL User Manual
Defines
USART Clock Polarity
USART Exported Constants

Defines

#define USART_POLARITY_LOW   0x00000000U
#define USART_POLARITY_HIGH   USART_CR2_CPOL

Define Documentation

#define USART_POLARITY_HIGH   USART_CR2_CPOL

Driver enable signal is active low

Definition at line 317 of file stm32l4xx_hal_usart.h.

#define USART_POLARITY_LOW   0x00000000U

Driver enable signal is active high

Definition at line 316 of file stm32l4xx_hal_usart.h.