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add schematics, block diagram and pcb photo, update README.md

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TT 2017-02-03 21:25:02 +09:00
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README.md
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@ -7,16 +7,17 @@ NanoVNA - Very tiny handheld Vector Network Analyzer
# About # About
NanoVNA is very tiny handheld Vector Network Analyzer, works as NanoVNA is very tiny handheld Vector Network Analyzer (VNA). It is
standalone, portable with battery and lcd display. This project aim standalone with lcd display, portable device with battery. This
to provide an RF gadget but useful measuring tool for enthusiast. project aim to provide an RF gadget but useful instrument for
enthusiast.
This repository contains source of NanoVNA firmware. This repository contains source of NanoVNA firmware.
## Prepare ARM Cross Tools ## Prepare ARM Cross Tools
Install cross tools and dfu-util. Install cross tools and firmware updating tool.
$ brew tap PX4/px4 $ brew tap PX4/px4
$ brew install gcc-arm-none-eabi $ brew install gcc-arm-none-eabi
@ -26,29 +27,33 @@ Otherwise, use toolchains included inside LPCxpresso. Like this.
$ PATH=$PATH:/Applications/lpcxpresso_7.8.0_426/lpcxpresso/tools/bin $ PATH=$PATH:/Applications/lpcxpresso_7.8.0_426/lpcxpresso/tools/bin
## Building firmware ## Build the firmware
Fetch ChibiOS submodule into tree. Fetch ChibiOS submodule into tree.
$ cd nanovna $ cd nanovna
$ git submodule update --init --recursive $ git submodule update --init --recursive
Enter firmware directory and make it. Just make in the top directory.
$ make $ make
## Burn it ## Burn the firmware
Boot MCU in DFU mode. To do this, jumper BOOT0 pin at powering on. Boot MCU in DFU mode. To do this, jumper BOOT0 pin at powering device.
And then, burn firmware using dfu-util via USB. Then, burn firmware using dfu-util via USB.
$ dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D build/ch.bin $ dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D build/ch.bin
# Control NanoVNA from Host PC # Control from PC
NanoVNA is able to work standalone, but also be controlled from host NanoVNA is able to work standalone, but also be controlled via USB serial interface from PC. There are sample scripts in python directory.
PC. python folder contains some sample scripts to control NanoVNA.
Preparation.
$ pip install numpy
$ pip install scikit-rf
Plot reflection LOGMAG. Plot reflection LOGMAG.
@ -67,6 +72,14 @@ Show usage.
$ ./nanovna.py -h $ ./nanovna.py -h
To use nanovna module in Jupyter, see [this page](/python/NanoVNA-example.ipynb). To use NanoVNA from Jupyter notebook, see [this page](/python/NanoVNA-example.ipynb).
## Reference
* [Schematics](/doc/nanovna-sch.pdf)
* [PCB Photo](/doc/nanovna-pcb-photo.jpg)
* [Block Diagram](/doc/nanovna-blockdiagram.png)
* Kit available from http://ttrftech.tumblr.com/kit/nanovna
* Credit: @edy555
[EOF] [EOF]

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