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Re: About RS232 [message #39398 is a reply to message #39393]

Fri, 15 March 2013 16:04

Zbych is currently offline

Zbych
Messages: 326
Registered: July 2009

Senior Member

If you want I can help you with linux part of serial port implementation.

First you should tell me what interface you want.

My proposition:

1. Vector<String> ListPorts();
returns list of available ports. On windows you can use QueryDosDeviceW to get list of devices. On linux udev does similar thing.

2. bool Open(const char * port_name, enum speed, enum flow_control, enum parity)

3. void Close()

4. int Write(const void * data, int len, int timeout_ms = 5000);
5. int Write(String data, int timeout_ms = 5000);

6. String ReadUntil(int amount, int stop_byte = -1, int timeout_ms = 5000);

7. void FlushInput();
to clean input queue

8. void FlushOutput();
to clean output queue

I would like to have timeouts in every Write and Read functions, because they often depend on the command you send to device.

Things like stop_byte are useful for communication with modems.

Maybe we should also have Callbacks (when new data arrive, when usb serial device is (un)plugged)?

[Updated on: Fri, 15 March 2013 16:08]

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[Message index]

		About RS232 By: alvintseng on Mon, 26 June 2006 18:21
		Re: About RS232 By: mirek on Mon, 26 June 2006 20:05
		Re: About RS232 By: qwerty on Tue, 11 July 2006 19:44
		Re: About RS232 By: qwerty on Mon, 11 September 2006 01:25
		Re: About RS232 By: supertorresmo on Tue, 24 April 2007 19:34
		Re: About RS232 By: ebojd on Wed, 25 April 2007 20:39
		Re: About RS232 By: supertorresmo on Thu, 26 April 2007 13:40
		Re: About RS232 By: nixnixnix on Fri, 04 January 2008 17:37
		Re: About RS232 By: Mindtraveller on Fri, 04 January 2008 23:48
		Re: About RS232 By: nixnixnix on Sun, 06 January 2008 03:26
		Re: About RS232 By: forlano on Fri, 10 October 2008 21:33
		Re: About RS232 By: Mindtraveller on Fri, 10 October 2008 22:49
		Re: About RS232 By: forlano on Sat, 11 October 2008 11:17
		Re: About RS232 By: Mindtraveller on Sat, 11 October 2008 22:36
		Re: About RS232 By: forlano on Sat, 11 October 2008 23:07
		Re: About RS232 By: Mindtraveller on Sun, 12 October 2008 09:40
		Re: About RS232 By: Mindtraveller on Sun, 12 October 2008 22:35
		Re: About RS232 By: forlano on Sun, 12 October 2008 23:03
		Re: About RS232 By: Mindtraveller on Mon, 13 October 2008 20:08
		Re: About RS232 By: forlano on Mon, 13 October 2008 23:00
		Re: About RS232 By: Mindtraveller on Mon, 13 October 2008 23:25
		Re: About RS232 By: forlano on Mon, 20 October 2008 19:27
		Re: About RS232 By: gxl117 on Wed, 11 November 2009 08:44
		Re: About RS232 By: Mindtraveller on Wed, 11 November 2009 21:05
		Re: About RS232 By: gxl117 on Fri, 13 November 2009 04:40
		Re: About RS232 By: nixnixnix on Fri, 15 January 2010 00:10
		Re: About RS232 By: nlneilson on Tue, 26 January 2010 04:39
		Re: About RS232 By: Didier on Tue, 26 January 2010 22:54
		Re: About RS232 By: nixnixnix on Tue, 26 January 2010 23:21
		Re: About RS232 By: Didier on Fri, 05 February 2010 00:19
		Re: About RS232 By: nixnixnix on Mon, 08 February 2010 21:45
		Re: About RS232 By: nixnixnix on Sat, 06 March 2010 02:31
		Re: About RS232 By: nlneilson on Sat, 06 March 2010 11:38
		Re: About RS232 By: Reini on Sat, 06 March 2010 18:42
		Re: About RS232 By: nixnixnix on Sun, 07 March 2010 00:33
		Re: About RS232 By: nlneilson on Sun, 07 March 2010 12:58
		Re: About RS232 By: Didier on Sun, 07 March 2010 13:38
		Re: About RS232 By: Mindtraveller on Sun, 07 March 2010 17:25
		Re: About RS232 By: Didier on Sun, 07 March 2010 19:50
		Re: About RS232 By: Didier on Sun, 07 March 2010 20:56
		Re: About RS232 By: mr_ped on Wed, 16 June 2010 16:55
		Re: About RS232 By: Didier on Wed, 16 June 2010 22:08
		Re: About RS232 By: mr_ped on Wed, 16 June 2010 16:57
		Re: About RS232 By: jeremy_c on Fri, 20 August 2010 01:30
		Re: About RS232 By: koldo on Fri, 20 August 2010 08:23
		Re: About RS232 By: jerson on Fri, 20 August 2010 10:00
		Re: About RS232 By: jeremy_c on Fri, 20 August 2010 13:58
		Re: About RS232 By: koldo on Fri, 20 August 2010 14:30
		Re: About RS232 By: nlneilson on Sun, 21 November 2010 02:17
		Re: About RS232 By: nlneilson on Sun, 21 November 2010 13:49
		Re: About RS232 By: jerson on Sun, 21 November 2010 16:21
		Re: About RS232 By: nlneilson on Sun, 21 November 2010 22:06
		Re: About RS232 By: nlneilson on Tue, 23 November 2010 03:50
		Re: About RS232 By: jibe on Fri, 15 March 2013 14:40
		Re: About RS232 By: Zbych on Fri, 15 March 2013 16:04
		Re: About RS232 By: jibe on Fri, 15 March 2013 15:55
		Re: About RS232 By: jerson on Fri, 15 March 2013 16:00
		Re: About RS232 By: jibe on Fri, 15 March 2013 22:45
		Re: About RS232 By: nlneilson on Sat, 16 March 2013 22:40
		Re: About RS232 By: Mindtraveller on Sun, 17 March 2013 08:56
		Re: About RS232 By: deep on Thu, 09 May 2013 08:58
		Re: About RS232 By: Mindtraveller on Sat, 11 May 2013 00:38
		Re: About RS232 By: jibe on Wed, 20 March 2013 15:22

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