Flashing using picoprobe

Prerequisites

Raspberry Pi Pico
Modified picoprobe
BLDevCube

Install picoprobe

Put the Pi Pico in bootloader mode. Hold the BOOTSEL button while plugging the USB Cable in.
Move the picoprobe.uf2 file to the appearing USB storage device

Connect the Pi to the Ox64

Pico GP4/UART1 TX -> 0x64 GPIO15/UART0_RX Pico GP5/UART1 RX -> 0x64 GPIO14/UART0_TX Pico GND -> 0x64 GND

Ox64 Bootloader Mode

Simply hold the BOOT button before providing power to the board. Release after it is powered up.

Flash Images

Open BLDevCube
Select BL808
Switch to the MCU Tab
Select the Pi Pico USB Device as UART Interface. Uart Rate: 2000000
General Options
- M0
  - Group: group0
  - Image Addr: 0x58000000
  - helloworld_bl808_m0.bin
- D0
  - Group: group0
  - Image Addr: 0x58000000
  - helloworld_bl808_d0.bin
Click Create&Download
Power Cycle the Ox64 after the flash ended successfully
Click Log to view the log output of the board