How Can I Configure the GPIO Pull-Up Resistors When I Have the Aardvark I2C/SPI Host Adapter in GPIO Mode?

An abstract drawing of "wrenching" (configuring an application.

Drawing by Clker


Question from the Customer:

I have the Aardvark I2C/SPI Host Adapter connected to the Level Shifter Board. I want to monitor the GPIO pull-up on a scope to confirm that I can control the pins in GPIO mode.

Here is my setup:

  • On the Level Shifter Board, Target1 is connected to a slave device to check read/write in I...

How Do I Free Up the Data Bus when the I2C Target Device Does Not Respond?

Traffic jam that represents blocked data when the data bus is not released

Photo by SD Pictures

Question from the Customer:

I have a question about return errors.  I am using the Aardvark I2C/SPI Host Adapter with Aardvark Software API with a target I2C device. The test setup: sometimes the target device is not available. In that case, a call to aa_i2c_write results in NACK, which is expected. Be...

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