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- Tue Jun 11, 2024 9:22 am
- Forum: General discussion
- Topic: How to use PC14/PC15 as GPIO on STM32F407VGT6
- Replies: 6
- Views: 6342
Re: How to use PC14/PC15 as GPIO on STM32F407VGT6
It usually does not employ polling. Serial.available returns the amount of unread data in the rx buffer. That buffer was filled by reading serial using the serial interrupt handler.