Updating SMD3 or SMD4 firmware outside of AML Device Control Software

Instructions for manually updating SMD3 or SMD4 firmware when doing so through device control is not possible.

Procedure

Background

If a firmware initiated in AML device control goes wrong, it may not be possible to recover using AML Device Control software. Use this procedure to manually update the firmware. 

0. Install software tools and prepare firmware

1. Configure the hardware

The hardware must be in bootloader mode to allow firmware update. This involves installing or removing a jumper on the devices PCB. 

For SMD3:

For SMD4:

2. Power up the device

For SMD4:

Then

3. Update the firmware

In STM32 Cube programmer software you opened earlier:

Troubleshooting