/* USART enable receive timeout interrupt. 
An interrupt is generated when the RTOF Flag is set in the ISR usart_isr register. */
void usart_enable_rx_timeout_interrupt(uint32_t usart)
/* USART enable receive timeout interrupt. 
An interrupt is generated when the RTOF Flag is set in the ISR usart_isr register. */
void usart_enable_rx_timeout_interrupt(uint32_t usart)
{
	USART_CR1(usart) |= USART_CR1_RTOIE;
}