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51 microcontroller is perpetual calendar

Time:09-24

Can normal show time date, I also want to change time by matrix button to willo date values, but have been unsuccessful, which bosses can help me have a look, thanks

CodePudding user response:

The original poster please describe what the function is not successful? Read error such as buttons, display an error, etc.,

CodePudding user response:

reference 1st floor yishumei response:
the original poster please describe what the function is not successful? Read error such as buttons, display an error, etc.,

Now compiled without error, can display time date, and the buttons but can't read

CodePudding user response:

4 x4 button to read the code is wrong, should be listed by line or by the output low, namely GPIO_KEY=0 xef; Such as
BBS 4 x4 keyboard scanning programs, many find their own one

CodePudding user response:

refer to the second floor AaWAdf response:
Quote: refer to 1st floor yishumei response:
the original poster please describe what the function is not successful? Read error such as buttons, display an error, etc.,

Now compile without errors, can normal show time date, but the key can't read

I need to deal with key code completion,
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