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GPIO and MCP23017 have different APIs for configuring interrupt mode. The APIs should be the same, so pick one and make the other one use it.
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MCP23017, unexpectedly, has the INT pins in the push-pull mode on boot (at least it's still active low). This interferes with HAT EEPROM detection by Pi Zero, since it expects the GPIO0 to not be driv…
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The MCP23017 IC does not follow the 0.1 grid standard. As instructed in #81, I am opening a ticket to have that part be resized.
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we can provide testing for these i2c components.
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- [ x] I have read the [README.md](https://github.com/flyte/pi-mqtt-gpio/blob/develop/README.md) file and visited the [Documentation](https://mqtt-io.app/) to see if the information there helps.
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I am seeing intermittent detection of the octo card between boots, and random channel assignment within each iteration of speaker-test utility.
Note during these tests the hardware is sitting in is…
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Integrate Interrupt methods for MCP23017 chip
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There's [a Linux driver](https://github.com/torvalds/linux/blob/master/drivers/pinctrl/pinctrl-mcp23s08.c) that controls the MCP23017 IO expander, ZeroPhone uses such an expander for system management…
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Hi, good job on the rewrite, looks very good. Is there any plans on supporting the MCP23018 variant? It's pretty much the same as the MCP23017, with minor differences. I could use this library almost …
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Hi,
I have setup a rot encoder at mcp23017 pins 0, 1 ...
It is working ( a bit delay response ) on the **polling example** but totally no response on the **Interrupt examples** on D3 on the Ard…