Maixduino

Booting message

[MAIXPY]Pll0:freq:832000000
[MAIXPY]Pll1:freq:398666666
[MAIXPY]Pll2:freq:45066666
[MAIXPY]cpu:freq:416000000
[MAIXPY]kpu:freq:398666666
[MAIXPY]Flash:0xc8:0x17
open second core...
mallocmallocmallocmallocgc heap=0x8027ccb0-0x802fccb0(524288)
[MaixPy] init end

 __  __              _____  __   __  _____   __     __
|  \/  |     /\     |_   _| \ \ / / |  __ \  \ \   / /
| \  / |    /  \      | |    \ V /  | |__) |  \ \_/ /
| |\/| |   / /\ \     | |     > <   |  ___/    \   /
| |  | |  / ____ \   _| |_   / . \  | |         | |
|_|  |_| /_/    \_\ |_____| /_/ \_\ |_|         |_|

Official Site : https://www.sipeed.com
Wiki          : https://maixpy.sipeed.com

MicroPython v0.5.0 on 2019-12-11; Sipeed_M1 with kendryte-k210
Type "help()" for more information.
>>> 

Toolchain

git clone https://github.com/kendryte/kendryte-gnu-toolchain
cd kendryte-gnu-toolchain
git submodule update --init --recursive

Prerequisites

sudo apt-get install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev

Build

./configure --prefix=/opt/kendryte-toolchain --with-cmodel=medany --with-arch=rv64imafc --with-abi=lp64f
make -j8

FW

git clone https://github.com/sipeed/MaixPy.git
git submodule update --recursive --init

Install dependencies

sudo apt update
sudo apt install python3 python3-pip build-essential cmake
sudo pip3 install -r requirements.txt

Configure project

cd MaixPy
cd projects/maixpy_k210
python3 project.py --toolchain /opt/kendryte-toolchain/bin --toolchain-prefix riscv64-unknown-elf- config 

Customize FW

python3 project.py menuconfig

Build

python3 project.py build

Flash to the board

python3 project.py -B maixduino -p /dev/ttyUSB0 -b 1500000 -S flash
or,
kflash -B maixduino -p /dev/ttyUSB0 hello_world.bin

Example

import sensor
import image
import lcd
 
lcd.init()
sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.run(1)
while True:
    img=sensor.snapshot()
    lcd.display(img)