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Simulink arduino library missing analog input as digital output block

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aurochs
aurochs 2020-1-6
回答： Bhaskar Vundurthy 2020-1-9
Hi,
I need to use Arduino analog input pins A2 and A3 as digital output, which is possible in Uno (https://www.arduino.cc/reference/en/language/functions/digital-io/digitalwrite/). This is so that I could accommodate the MCP4725 DAC breakout board https://learn.sparkfun.com/tutorials/mcp4725-digital-to-analog-converter-hookup-guide. However, the Simulink Arduino library only has digital output block for digital pins. Please advise. Thanks.

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采纳的回答

Bhaskar Vundurthy
As of 2019b, the digital output block can only handle the digital output pins (D0-D13). Any value greater than 13, representing A0-A5, throws an error during build.
The analog pins A0-A5 are however accessible via MATLAB.
a = arduino();
writeDigitalPin(a, 'A0', 1);

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