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| <== Date ==> | <== Thread ==> |
|---|
| Subject: | Re: Streamdevice extract bytestream |
| From: | Dirk Zimoch <[email protected]> |
| To: | [email protected] |
| Date: | Thu, 09 Jan 2014 09:15:58 +0100 |
On 09.01.2014 00:43, [email protected] wrote:
I'm using StreamDevice to receive unsolicited bytestream messages from a device with the message format: 0x10 0x02 ... data ... 0x10 0x03 CRC-bytes.
In my protocol file, I have:
Terminator = DLE ETX;
ExtraInput = Ignore;
getSerial {
out "\x10\x02\x11\x11\x01";
#message tag is \x11
in "\x10\x02\x21\x11%(\$1:serial.VAL)0r";
}
however it is only storing a single byte into the serial record. How do I extract multiple bytes?
"Multiple bytes" like in array of bytes or like in "32 bit integer"? 32 bit integer: "%4r" 32 bit float: "%4R" 32 bit little endian integer: "%#4r"BTW: ExtraInput = Ignore; is almost always a bad idea because it hides some errors. Better read and check everything, including the CRC.
Dirk