Overview

link to the shop

The NanoFlashProg is an Flash programmer using Arduino Nano.

Currently supported chips are:

Winbond 25Q128FV

This has been particularly designed to flash uboot bootloader on SPI Flash chips.

Hardware

The NanoFlashProg shield fit on an Arduino Nano. The full kit has:

Mini USB port for serial comm.
8 pin connector for connection with socket programmer.

Sketch

Software

A terminal emulator is required to communicate with the programmer. We recommend Cutecom. HyperTerminal or similar will also work as long as the emulator is able to send a file.

Usage

Connect to the programmer using settings 115200 8N1.

On connection the programmer will introduce itself and offer a prompt.

NanoFlashProg v1.0.0
Type h for help
>

Pressing h and enter will show the help.

> h
R - Read page
D - Dump page
W - Write File
I - Chip Info
E - Chip Erase
H - Help
>

Flashing Uboot

We recommend downloading uboot from pepe2k repository. Github link.

You must erase the chip before flashing uboot. At the prompt type e and enter. Then answer y at confirmation. This will take around 6 seconds to complete.

> e
Erase Entire Chip? (y/n): y
Erasing chip.
>

NanoFlashProg

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