Comments (4)
from serial.
sorry,may the serial tool bug . Virtual Serial Port Driver not exactly baudrate emulation.
I test serial port with baudrate emulation.
test A: disable baudrate
test B: enable baudrate
one segment of data is divided into many segments
@paocalvi
from serial.
With serial communication there is no "packet" like there is on Ethernet, UDP, etc. Some protocols may use a particular character as a delimiter (like '\n') but other protocols just send bytes. The serial library does not make any assumptions about the delimiter so that it can be used in different contexts.
In addition, serial is very slow by modern standards. At 115200, it might take ~1ms for 10 characters to arrive. Instead of waiting for a delimiter or waiting for a timeout before returning the buffered bytes, the serial library will immediately return as soon as there are any bytes in the buffer (even the first byte), but will block if there are no bytes waiting. With the provided serial API, you can build support for many different protocols in an efficient manner whether the protocols are newline delimited or have some other structure.
from serial.
@tarm @paocalvi thank you . Thank you for your guidance
from serial.
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from serial.