how to send ascii null to serial port

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2 total messages Started by asystems Wed, 26 May 2004 04:47

#146

Author: asystems
Date: Wed, 26 May 2004 04:47

18 lines
1265 bytes

Hi,
    I've finally managed to get my serial ports working with the javax.comm
library, and all appears to be working ok. However, I need to send ascii
characters such as <null> <EOT> <SOH> and <ETX>

which is the prefered way ?

char nullchar 0x00;                // assign ascii <null>

or

byte nullchar 0x00;            // assign ascii <null>

or am I totally wrong on both counts.

any help would be appreciated.

Thanks

Re: how to send ascii null to serial port

#150

Author: Owen Green
Date: Sat, 29 May 2004 16:14

15 lines
1117 bytes

On Wed, 26 May 2004 14:47:25 +1000, asystems wrote:

> Hi,
> char nullchar 0x00;                // assign ascii <null>

Depends how many bits you want to send, I would imagine, but 

byte nullchar = 0; 
char nullchar = 0; 

should do the trick? 

hth
-- 
Owen

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