How do I write bytes to a serial object - to send data over USB-serial XBee to Arduino?

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William Chamberlain
评论： Walter Roberson 2016-8-15
I am trying to send NMEA messages as data over USB-serial XBee to Arduino to control a robot.
I can open a Serial object and send data from my PC - observing it with another PC and XCTU.
What is the best way to convert the numeric values (uint8) to bytes, and then write them via a Serial objects?

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Walter Roberson
Walter Roberson 2016-8-15
uint8 are bytes . You can fwrite() them directly.
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Walter Roberson
Walter Roberson 2016-8-15
I think that the last time I used a computer whose words were not 8 bits long would have been roughly 1985, the last of my University access to a Honeywell Level/66 . I know some DSPs after used 16 bit bytes and possibly even stranger sizes (especially during the bitsliced era) but I never encountered them myself.

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