drivers/pcf857x: allow to define PCF857x_BASE_ADDR at compile time #19734
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aabadie
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aabadie
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Jun 14, 2023
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Contribution description
As the address is hardware-configurable, some modules are delivered with a different address. For example, the one I received has the address pins connected to Vcc, so its address is 0x3f instead of 0x38. With this modification, I can use CFLAGS += -DPCF8574A_BASE_ADDR=0x3f in the Makefile.
Testing procedure
Issues/PRs references