https://github.com/mr-sven/espruino-pico-xpressnet-usb

Espruino Pico XpressNet USB Adapter
https://github.com/mr-sven/espruino-pico-xpressnet-usb

Last synced: 1 day ago
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Espruino Pico XpressNet USB Adapter

• Host: GitHub
• URL: https://github.com/mr-sven/espruino-pico-xpressnet-usb
• Owner: mr-sven
• Created: 2024-01-26T10:44:22.000Z (11 months ago)
• Default Branch: main
• Last Pushed: 2024-08-26T10:44:52.000Z (4 months ago)
• Last Synced: 2024-11-04T10:46:58.477Z (about 2 months ago)
• Language: C
• Homepage:
• Size: 646 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Espruino Pico XpressNet USB Adapter [WIP]

Building XpressNet USB Adapter based on Espruino Pico V1.3.

Features:

* STM32F401CDU6 32-bit 84MHz ARM Cortex M4 CPU

* All GPIO is 5 volt tolerant -> MAX485 chip

* USART is Multiprocessor communication Compatible (9n1)

Vendor info: https://www.espruino.com/Pico

## Requirements

Install build toolchain

```bash

sudo apt install libnewlib-arm-none-eabi gcc-arm-none-eabi stlink-tools dfu-util

```

## Flashing

The device is Equiped with DFU Bootloader.

Short out the BOOT0/BTN solder jumper on the back of the board - you can do this by drawing over it with a pencil.

Hold down the Pico's button while plugging it into USB.

Use the DFU tool to flash the firmware.

```bash

$ dfu-util -l

dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.

Copyright 2010-2016 Tormod Volden and Stefan Schmidt

This program is Free Software and has ABSOLUTELY NO WARRANTY

Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

Found DFU: [0483:df11] ver=2200, devnum=4, cfg=1, intf=0, path="1-1.5", alt=3, name="@Device Feature/0xFFFF0000/01*004 e", serial="************"

Found DFU: [0483:df11] ver=2200, devnum=4, cfg=1, intf=0, path="1-1.5", alt=2, name="@OTP Memory /0x1FFF7800/01*512 e,01*016 e", serial="************"

Found DFU: [0483:df11] ver=2200, devnum=4, cfg=1, intf=0, path="1-1.5", alt=1, name="@Option Bytes  /0x1FFFC000/01*016 e", serial="************"

Found DFU: [0483:df11] ver=2200, devnum=4, cfg=1, intf=0, path="1-1.5", alt=0, name="@Internal Flash  /0x08000000/04*016Kg,01*064Kg,03*128Kg", serial="************"

```