readme.md

STSW-STUSB003 open source firmware

Software Library for STUSB4500

Presentation

The STSW-STUSB003 is a software library enabling the configuration of STUSB4500, and its typical use like dynamic power input management.
The Open source software is available to customize end-application software developments.
The library includes: the STUSB4500 hardware abstraction layers, drivers, Code example, demo and the user manual.

Key Features

• Open source code
  • Alarm management
  • Send HW and SW reset
  • Access to SINK and SOURCE PDOs
  • Change of SINK PDO
  • Alignment of SINK PDOs to SOURCE PDOs
• Compilation Environment:
  • Toolchain: IAR 8.x: IAR Embedded Workbench for ARM
    https://www.iar.com/iar-embedded-workbench/#!?architecture=Arm
  • pre-compiled demo binary provided
• Hardware requirements:
  • Any microcontroller with I2C interface
  • STEVAL-ISC005V1: STUSB4500 evaluation board
  • The demo is using NUCLEO-F072RB: STM32 Nucleo-64 development board with ARM Cortex-M0

Demo

Here are some screenshots showing the demo result when connecting the USB-C cable.

• Example using a power source with 2 PDOs (Google Pixel Power supply 18W)

• Example using a power source with 3 PDOs (Apple Macbook Power brick 60W)