Updated 4X4 keypad code that works on STM32F407 and Mbed-OS-5. InterruptIn on STM32F4 MCUs seem to float without PullDown/Up, without forced PullDown the original code doesn't work on STM32F407 and most likely other STM32 MCUs as well.
Revisions of keypad.cpp
Revision | Date | Message | Actions |
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0:2df66331c109 | 2012-01-30 | Initial published version | File Diff Annotate |