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2013-02-15T19:06:46Z

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= Instruct the compiler to set the baud rate for the second hardware UART. &n..."

2013-01-31T19:10:33Z

Created page with "= Action = Instruct the compiler to set the baud rate for the second hardware UART. &n..."

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== (**COPIED FROM ENGLISH PAGE**) === Action =

Instruct the compiler to set the baud rate for the second hardware UART.

 

 

= Syntax =

$BAUD1 = var

 

 

= Remarks =
<div style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 0px; margin: 0px 0px 0px 4px">
{| style="border: solid 2px #000000; border-spacing:0px; border-collapse: collapse" border="1" cellpadding="1" cellspacing="0" width="453"
|- style="text-align:left; vertical-align:top"
| style="width:18%; border: solid 1px #000000" valign="top" width="18%" |
Var

| style="width:100%; border: solid 1px #000000" valign="top" width="100%" |
The baud rate that you want to use. This must be a numeric constant.

|}
</div>
 

In the generated report, you can view which baud rate is actually generated.

 

When you simulate a program you will not notice any problems when the baud rate is not set to the value you expected. In real hardware a wrong baud rate can give weird results on the terminal emulator screen. For best results use a crystal that is a multiple of the baud rate.

 

Some AVR chips have 2 UARTS. For example the Mega161, Mega162, Mega103 and Mega128. There are several other's and some new chips even have 4 UARTS.

 

In the simulator you need to select the UART1-TAB to view the output of the UART1, or to send data to this UART.

 

 

= See also =

[[$CRYSTAL]] , [[BAUD]] , [[$BAUD]]

 

 

= Example =

<source lang="bascomavr">
'-------------------------------------------------------------------------------
'copyright : (c) 1995-2005, MCS Electronics
'micro : Mega162
'suited for demo : yes
'commercial addon needed : no
'purpose : demonstrates BAUD1 directive and BAUD1 statement
'-------------------------------------------------------------------------------

$regfile = "M162def.dat"
$baud1 = 2400
$crystal= 14000000 ' 14 MHz crystal

Open "COM2:" For BINARY As #1

Print #1 , "Hello"
'Now change the baud rate in a program
Baud1 = 9600 '
Print #1 , "Did you change the terminal emulator baud rate too?"
Close #1
End

</source>

 {{Languages}}

[[Category:BASCOM_Language_Reference/de]]

$BAUD1/de - Revision history

Admin: 1 revision

Admin: Created page with "= Action = Instruct the compiler to set the baud rate for the second hardware UART. &n..."

Admin: Created page with "= Action
= Instruct the compiler to set the baud rate for the second hardware UART. &n..."