SerialTransfer | Arduino library to transfer dynamic, packetized data fast and reliably via Serial, I2C, or SPI
kandi X-RAY | SerialTransfer Summary
kandi X-RAY | SerialTransfer Summary
SerialTransfer is an easy to use Arduino library for transferring packetized data fast and reliably via Serial, I2C, and SPI interfaces. Interconnect your Arduinos today minus the headace with SerialTransfer!.
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QUESTION
I have working code that sends a struct from a Raspberry Pi to an Arduino using pySerialTransfer when the devices are connected via a USB cable. I'd like to do that over bluetooth instead of with a USB cable, however.
Independently, using separate python code and a separate Arduino sketch, I've been able to get the Raspberry Pi & Arduino to communicate over bluetooth via a continuous stream of text or binary data.
My issue is that I don't see how to combine the two approaches - i.e.: if I send a binary-encoded structure over bluetooth, I don't see how I get the benefits of the pySerialTransfer / SerialTransfer libraries to parse it on the receiving end. I see how I can do the parsing "manually", looking for special terminating characters, etc., but I was hoping to avoid the need for that with pySerialTransfer.
Thanks for any pointers / suggestions / examples. All the working code I've been able to construct so far is here.
pySerialTransfer Working Arduino C serial code ...ANSWER
Answered 2020-May-02 at 00:19pySerialTransfer / SerialTransfer will arrange data in packet format with CRC so it fast and safe way to communicate over serial.
In fact, there are no special character to terminate packet because binary data can be any character from 0x00 to 0xFF cover all ASCII code.
QUESTION
I am trying to communicate bi-directionally between my laptop & my arduino via passing a common struct back and forth, but am having trouble unpacking the bytes returned from the Arduino. Using pySerialTransfer, it seems rxBuff returns a list of numbers that I can't figure out how to convert into a byte-string for struct.unpack to render back into the numbers I started with.
At present, the Arduino code simply receives the data and spits it back, no transformations or action on the Arduino side. Here's my Arduino code:
...ANSWER
Answered 2020-Apr-22 at 18:07Is this what you are looking for:
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