Closed KunYi closed 10 years ago
Because RCC enable bit of USART1 is RCC_APB2RSTR_USART1RST (bit4) not RCC_APB1RSTR_USART2RST (bit 17)
Because RCC enable bit of USART1 is RCC_APB2RSTR_USART1RST (bit4) not RCC_APB1RSTR_USART2RST (bit 17)