Function uart2_init

bsp/loongson/ls1cdev/libraries/ls1c_uart.c:200–216

* 初始化串口2 */

 * 初始化串口2
 */
void uart2_init(void)
{
    unsigned int tx_gpio = 37;
    unsigned int rx_gpio = 36;

    // 设置复用
    pin_set_remap(tx_gpio, PIN_REMAP_SECOND);
    pin_set_remap(rx_gpio, PIN_REMAP_SECOND);
    
    // 初始化相关寄存器
    debug_uart_info.UARTx = LS1C_UART2;
    debug_uart_info.baudrate = 115200;
    debug_uart_info.rx_enable = FALSE;  // 调试串口只需要打印(发送)功能，不需要接收功能
    uart_init(&debug_uart_info);

    return ;
}


/*