Anfulai embedded weekly report no. 268: May 30, 2022 to June 5, 2022

Summary address of previous weekly reports ：http://www.armbbs.cn/forum.php?mod=forumdisplay&fid=12&filter=typeid&typeid=104

It was updated last week 1 Period video tutorial ：

DSP Video tutorial 8 period ：DSP Library trigonometric function ,C Performance comparison between library trigonometric function and hardware trigonometric function , As well as Matlab The accuracy of （2022-06-04） https://www.armbbs.cn/forum.php?mod=viewthread&tid=112675

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Video version ：

https://www.bilibili.com/video/BV18Y411M76S

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1、CiA union CAN Bus 30 anniversary

https://www.can-cia.org/30

CAN Newsletter The magazine launched a special issue , To meet 30 Anniversary of the

https://can-newsletter.org/magazine/48-June%202022/

2、 Dejie shows the supply cycle of chip manufacturers in real time

https://www.digikey.cn/zh/resources/reports/lead-time-trends

newest 6 In January, semiconductor manufacturers showed ：

（1） Semiconductor manufacturers ,TI,ADI, Mei Xin ,NXP,Microchip

It has basically started for half a year

（2） capacitance , resistance , inductance

Murata ,TDK, panasonic , Kimi ,AVX

It started almost half a year

（3） The connector

Tyco , molex , Amphenol , TRABTECH ,SAMTEC

basic 10 Zhou Qiqi .

（4） Electromechanical devices

Omron , Ming Wei ,Alpha Wire , bell , Tyco .

basic 10 Zhou , Half year start ：

3、ADI Organize and publish I2C,PMbus,SMbus Introductory tutorial , A rare good article

https://www.analog.com/en/analog-dialogue/articles/i2c-communication-protocol-understanding-i2c-primer-pmbus-and-smbus.html

Good article , Will let everyone know , Know why . The official website post begins with PDF Version can be downloaded

4、AppWizard V1.28b Release , Added a handsome Diablo theme synthesis Demo

Software download ：AppWizardTrial_V128b_626b_Install.exe (78.43MB)

After installation , Here are the corresponding documents ：

dynamic ：

static state ：

5、 Construct a USB-C Power Supply

https://circuitcellar.com/research-design-hub/basics-of-design/build-a-usb-c-power-supply/

be based on USB-PD Simple power supply design ,USB-PD Up to... Are allowed 20V The voltage of （ The current is up to 5A）, The author shared his design details , You can learn more about USB-PD How it works .

6、 Tektronix is going to launch a mini New product .

It's called Next GEN TEK, Then we'll see what's new . The presentation was quite attractive .

It weighs about as much as a notebook , It's probably with batteries .

Interface button layout ：

7、 The next time BSP Drive video tutorial to start doing BootLoader project

For normal planning , Is to start doing serial port special topic , however BootLoader There seem to be more problems . So I'm going to go first BootLoader Video tutorial .

The first is the system BootLoader, The Internet boot,USB boot, A serial port boot,SD card boot And other common playing methods .

boot + app（ Including internal Flash And the outside QSP Flash） Debugging problems, etc .

8、CycloneTCP To upgrade to 2.1.6

https://www.keil.com/dd2/Pack/#!#third-party-download-dialog

Increase the number of chips PHY, Ethernet controller supports , And add hardware encryption support for some devices .

9、 LAN usage IPv6 A simple test

Netizens ask if there is IPv6 Examples can be played , Simple description , Download an example of this post ：

https://www.armbbs.cn/forum.php?mod=viewthread&tid=95243

Open here IPv6, close IPv4：

The direct connection between the computer and the board , Computer IPv6 Address ：

The board IPv6 Address ：

test ping fe80::2

10、 Algorithm master Robert Sedgewick Online courseware

https://sedgewick.io/Courses/

If the master's algorithm books , You can understand , The world's largest manufacturers are your choice .

On his official website 4 A course PPT, They are algorithms （ The first 4 edition ）, Computer science , Introduction to algorithm analysis , Analytical combinatorics .

Such as the algorithm （ The first 4 edition ）：

Click on the table of contents ,PPT It's all downloadable ：

11、 Renesas electronics launched I3C Intelligent switch series

https://www2.renesas.cn/cn/zh/about/press-room/renesas-unveils-industry-s-first-i3c-intelligent-switch-family-next-generation-server-storage-and

I3C The biggest advantage is the speed , The highest support 12.5MHz

12、H7-TOOL Progress this week

（1） The user sent a number of chips that need offline burning support , Adding support .

（2） Designed by the customer H7-TOOL Adapter plate , beautiful , With housing , Including schematic diagram ：

Customer “3+7” Design

H7-TOOL control 2 A DPDT relay , Select input to connect to CAN  485 or 232, The two outputs are also directly connected to CH1+ and CH2+