Hello,
Any news on this one ? I have the exact same problem here but with a MCP23018 expander (and I also use a Teensy 3.2). I ended up with a similar code as the OP (that's why I found this post)
palSetPadMode(TEENSY_PIN18_IOPORT, TEENSY_PIN18, PAL_MODE_OUTPUT_OPENDRAIN); // SDA
palSetPadMode ...
Search found 1 match
- Sun Oct 21, 2018 11:24 pm
- Forum: Kinetis Support
- Topic: MCP23017 init & data transfer
- Replies: 2
- Views: 31561