espressif/arduino-esp32
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Rodrigo Garcia c2c8d18992 Forces UART Flush() to wait until all bits are sent (#6026) 
HardwareSerial flush() was returning before all data was sent out through serial port.
This is a problem to some RS485 libraries that depend on it to signaling.

This PR solves the issue by forcing it to block flush() until all data is sent.
2021-12-15 11:08:49 +02:00
..
esp32
Forces UART Flush() to wait until all bits are sent (#6026)
2021-12-15 11:08:49 +02:00