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Forum Index : Microcontroller and PC projects : RS232 115200 bps

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shsjk59456
Newbie

Joined: 24/01/2012
Location: Italy
Posts: 7

Posted: 03:47pm 30 Jan 2012

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I have to use the serial from 38400 to 115200 bps, 9600 bps max I see by reading the manual it seems strange that it is not possible to set a higher speed?
I Duinomite mini seems there is only one serial or wrong?

Olimex
Senior Member

Joined: 02/10/2011
Location: Bulgaria
Posts: 226

Posted: 04:02pm 30 Jan 2012

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DuinoMite mini with DM-firmware have:

COM1 at PIN.11 PIN.12 bitbanged up to 19200 bps
COM2 at PIN.13 PIN.14 bitbanged up to 19200 bps
COM3 at UEXT up to 115200 bps
COM4 at PIN.11 PIN.12 up to 115200 bps

note COM1 and COM4 on DM-mini are at same PIN.11 PIN.12!

with MM3.1 firmware I didn't look at the documentation, someone else could help better

shsjk59456
Newbie

Joined: 24/01/2012
Location: Italy
Posts: 7

Posted: 02:44pm 02 Feb 2012

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Olimex Thanks for the reply,
I tried today but it does not work, I use 3.4 then pin serial connector Uext COM3.
I tried to open the door (open "com3: 9600" as #1) I always "sintax error"
only works with com1, com2.
I read manual MM3.1 page 17, 30 says nothing on COM3, it seems that MM does not recognize the door! COM4 is not working well.
Thank you, let me know
CIAO, Luigi

djuqa

Guru

Joined: 23/11/2011
Location: Australia
Posts: 447

Posted: 03:56pm 02 Feb 2012

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com3 and com4 are only supported by DM Basic at this time MM3.1 does not support com3/com4

VK4MU MicroController Units

shsjk59456
Newbie

Joined: 24/01/2012
Location: Italy
Posts: 7

Posted: 04:56pm 02 Feb 2012

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I hope to be updated soon as I can not use the version 2.7A that does not support keyboard German=+-Italian
thanks

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