Raspberry Pi 3 B Simulink Sensor Implementation SPI

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Ferdinand 2020-7-14

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https://ww2.mathworks.cn/matlabcentral/answers/564785-raspberry-pi-3-b-simulink-sensor-implementation-spi

评论： Prasanth Sunkara 2020-7-30

Hello,

I need help to implement an angle sensor AMT203 CUI on a raspberrypi 3b using Matlab Simulink. Do I have to unlock the SPI Pins first in the Command Window? Which Simulink blocks do I use to read data from those pins, SPI register read, or GPIO read?

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Answer 1

Prasanth Sunkara 2020-7-23

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Hello Ferdinand,

If you are working with a SPI sensor, you should have the SPI module enabled. In most cases, SPI module(and the SPI pins) are enabled by default. You can check this using raspi-config.

You can directly use the SPI blocks to interact with the sensor.

For reference, please see the below links.

SPI example: https://www.mathworks.com/help/supportpkg/raspberrypi/ref/communicating-with-an-eeprom.html

SPI Read: https://www.mathworks.com/help/supportpkg/raspberrypi/ref/spiregisterread.html

SPI Write: https://www.mathworks.com/help/supportpkg/raspberrypi/ref/spiregisterwrite.html

Hope this helps!

Thanks,

Prasanth