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RTEMS 6.1
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Macros | |
| #define | USART_POLARITY_LOW 0x00000000U |
| #define | USART_POLARITY_HIGH USART_CR2_CPOL |
| #define USART_POLARITY_HIGH USART_CR2_CPOL |
Driver enable signal is active low
| #define USART_POLARITY_LOW 0x00000000U |
Driver enable signal is active high