ARM PL011 UART implementation sucks for RS485
2024-12-9 23:45:9 Author: acassis.wordpress.com(查看原文) 阅读量:3 收藏

Unfortunately the serial driver used on RP2040 came from ARM, it is called PL011 and for some strange reason ARM had the “brilliant” idea of not including a Transmit Complete interruption.

More about it: https://forums.raspberrypi.com/viewtopic.php?t=336234


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