Getting Started with BPI-R4

Development

Basic Development

Prepare to develop

 * Prepare 8G/above TF card, USB-Serial cable, Ubuntu System
 * Using your USB-Serial cable Connect to debug console on BPI-R4

 * BPI-R4 bootstrap and device select Jumper Setting

  Note: SW3-A and SW3-B is for boot strap selecting;

  * Examples:
    All Jumper is Low: BPI-R4 will boot from SD card

    All Jumper is Low.