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08/09/2020 NanoVNA User Guide | NanoVNA User Guide

https://cho45.github.io/NanoVNA-manual/#7-

トレース

状

態

35/51

brew install dfu-util

Conrm

that

the

dfu-util

command

can

be

started

normally.

dfu-util --version

Boot

the

device

in

DFU

mode.

Use

one

of

the

following

methods

to

enter

DFU

mode.

Turn

on

the

power

by

jumpering

the

BOOT

pin

on

the

PCB.

(After

turning

on

the

power,

remove

the

jumper.)

The

screen

becomes

white

but

it

is

normal.

CONFIG

→DFU

RESET AND ENTER DFU

Select

Execute

the

following

command.

build/ch.bin

describes

the

path

to

the

.bin

of

the

downloaded

rmware

le.

dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D build/ch.bin

Writing

with

dfu-util

(Windows

10)

For

Windows,

connecting

the

N

anoV

N

A

in

DFU

mode

will

automatically

install

the

device

driver,

but

this

device

driver

cannot

use

dfu-util.

Here

we

use

Zadig

to

replace

the

driver.

Boot

the

device

in

DFU

mode.

Use

one

of

the

following

methods

to

enter

DFU

mode.

Turn

on

the

power

by

jumpering

the

BOOT

pin

on

the

PCB.

(After

turning

on

the

power,

remove

the

jumper.)

The

screen

becomes

white

but

it

is

normal.

CONFIG

→DFU

RESET AND ENTER DFU

Select

Start

Zadig

with

N

anoV

N

A

in

DFU

mode

connected,

and

use

WinUSB

as

a

driver

for

STM

BOOTLOADER

as

follows.