ESP8266 设置UART1为打印口

在user_init( )中开始的地方调用user_uart_init( )

/**
* @brief 波特率：9600 .
* @note no.
* @param no.
* @retval no.
*/
void user_uart_init(void)
{

UART_ConfigTypeDef uart_config;
uart_config.baud_rate = BIT_RATE_9600;
uart_config.data_bits = UART_WordLength_8b;
uart_config.parity = USART_Parity_None;
uart_config.stop_bits = USART_StopBits_1;
uart_config.flow_ctrl = USART_HardwareFlowControl_None;
uart_config.UART_RxFlowThresh = 0;
uart_config.UART_InverseMask = UART_None_Inverse;
UART_ParamConfig(UART1, &uart_config);

UART_SetPrintPort( UART1 );
}