Das ist der Code, am Computer läuft ein atmega 8 und auf dem Roboter ein atmega32. Der Code ist derseleb nur jeweils mit kleinen abwandlungen.

Code:
' generated. Take care that the chip supports all fuse bytes.' ########################################################################
' ### RF12-Test in Bascom
' ### Basiert auf Code von Benedikt K.
' ### Joachim Fossie Bär Reiter 04/2007
' ########################################################################


$regfile = "m8def.dat"
$hwstack = 32                                               ' default use 32 for the hardware stack
$swstack = 10                                               'default use 10 for the SW stack
$framesize = 40

'$PROG &HFF,&HFF,&HD9,&H00' generated. Take care that the chip supports all fuse bytes.

$crystal = 11059200
$baud = 19200
Baud = 19200

Config Lcd = 16 * 2
Config Lcdpin = Pin , Db4 = Portc.5 , Db5 = Portc.4 , Db6 = Portc.3 , Db7 = Portc.2 , E = Portc.6 , Rs = Portc.7
Config Lcdbus = 4
Cursor Off Noblink
Cls




Declare Sub Rf12_init
Declare Function Rf12_trans(byval Wert As Word) As Word
Declare Sub Rf12_setfreq(byval Freq As Single)
Declare Sub Rf12_setbandwith(byval Bandwith As Byte , Byval Gain As Byte , Byval Drssi As Byte)
Declare Sub Rf12_setbaud(byval Rfbaud As Long)
Declare Sub Rf12_setpower(byval Outpower As Byte , Byval Fskmod As Byte)
Declare Sub Rf12_readys
Declare Sub Rf12_ready
Declare Sub Rf12_txdata(byval Maxchar As Byte)
Declare Sub Rf12_rxdata(byval Maxchar As Byte)

Const Rf12freq = 433.92
Const Rf12baud = 19200
Const Maxchar = 32

'config the SPI in master mode.The clock must be a quarter of the slave cpu
' Hier ggf. den SoftSPI reinmachen
Config Spi = Hard , Interrupt = Off , Data Order = Msb , Master = Yes , Polarity = Low , Phase = 0 , Clockrate = 128 , Noss = 1







' werden benötigt für rf12_ready
Spi_cs Alias Portb.2                                        ' SS-Pin
Config Spi_cs = Output
Spi_sdo Alias Pinb.4                                        ' MISO-PIN
Set Spi_cs

'init the spi pins
Spiinit

' was so gebraucht wird
Dim Count As Byte
Dim Temp As Word
Dim Rfdata(32) As Byte
Dim Text As String * Maxchar At Rfdata Overlay
Dim S As Byte
Dim A$ As String * 1
Dim A As Byte

Print "Init"
Call Rf12_init                                              ' ein paar Register setzen (z.B. CLK auf 10MHz)
Print "Set Frequenz"
Call Rf12_setfreq(rf12freq)                                 '  Sende/Empfangsfrequenz auf 433,92MHz einstellen
Print "Set Bandwith"
Call Rf12_setbandwith(4 , 1 , 4)                            '  200kHz Bandbreite, -6dB Verstärkung, DRSSI threshold: -79dBm
Print "Set Baudrate"
Call Rf12_setbaud(rf12baud)                                 '  19200 baud
Print "Set Power"
Call Rf12_setpower(0 , 6)                                   '  1mW Ausgangangsleistung, 120kHz Frequenzshift


' ########################################################################
' ###### Hauptproggi
' ########################################################################

Portd.7 = 1
Text = "bt"

' Je nachdem ob Sender oder Empfänger die entsprechenden Zeilen aktivieren
Do                                                          'Ewigschleife



' Hier ist die Senderoutine
'  Print "Sende"
 Locate 1 , 1                                               'Cursor auf 1 Zeile, 1 Spalte
 Lcd Text


  Call Rf12_txdata(maxchar)                                 'senden

Wait 1



' Hier ist die Empfangsroutine
'  Print "Empfange"
'  Call Rf12_rxdata(maxchar)
'  For Count = 1 To Maxchar
'   A$ = Chr(rfdata(count)) ;
'  If A$ = "e" Then
'   A$ = ""
'    Print "a"
'  End If
'  Next Count
'  Print
Schleife:

'Locate 2 , 1
'Lcd A$

Loop


End                                                         'end program


' ########################################################################
' ###### Unterroutinen
' ########################################################################

Sub Rf12_init:
  Waitms 150
  Temp = Rf12_trans(&Hc0e0)
  Temp = Rf12_trans(&H80d7)
  Temp = Rf12_trans(&Hc2ab)
  Temp = Rf12_trans(&Hca81)
  Temp = Rf12_trans(&He000)
  Temp = Rf12_trans(&Hc800)
  Temp = Rf12_trans(&Hc4f7)
End Sub


Sub Rf12_setfreq(byval Freq As Single)

  Freq = Freq - 430.00
  Temp = Freq / 0.0025
  If Temp < 96 Then
    Temp = 96
  Elseif Temp > 3903 Then
    Temp = 3903
  End If
  Temp = Temp + &HA000
  Temp = Rf12_trans(temp)
End Sub


Sub Rf12_setbandwith(byval Bandwith As Byte , Byval Gain As Byte , Byval Drssi As Byte)
  Drssi = Drssi And 7
  Gain = Gain And 3
  Temp = Bandwith And 7
  Shift Temp , Left , 2
  Temp = Temp + Gain
  Shift Temp , Left , 3
  Temp = Temp + Drssi
  Temp = Temp + &H9400
  Temp = Rf12_trans(temp)
End Sub


Sub Rf12_setbaud(byval Rfbaud As Long )
  Local Ltemp As Long

  If Rfbaud < 663 Then Exit Sub

  If Rfbaud < 5400 Then
    Temp = 43104 / Rfbaud
    Temp = Temp + &HC680
  Else
    Ltemp = 344828 / Rfbaud
    Temp = Ltemp
    Temp = Temp + &HC600
  End If
  Decr Temp
  Temp = Rf12_trans(temp)
End Sub


Sub Rf12_setpower(byval Outpower As Byte , Byval Fskmod As Byte)
  Outpower = Outpower And 7
  Temp = Fskmod And 15
  Shift Temp , Left , 4
  Temp = Temp + Outpower
  Temp = Temp + &H9800
  Temp = Rf12_trans(temp)
End Sub


Sub Rf12_txdata(byval Maxchar As Byte)
  Temp = Rf12_trans(&H8238)
Print "stop1"
  Rf12_readys
Print "stop2"
  Temp = Rf12_trans(&Hb8aa)
  Rf12_readys
  Temp = Rf12_trans(&Hb8aa)
  Rf12_readys
  Temp = Rf12_trans(&Hb8aa)
  Rf12_readys
  Temp = Rf12_trans(&Hb82d)
  Rf12_readys
  Temp = Rf12_trans(&Hb8d4)
  Rf12_readys
  For Count = 1 To Maxchar
    Rf12_readys
    Temp = &HB800 + Rfdata(count)
    Temp = Rf12_trans(temp)

  Next Count
  Rf12_readys
  Temp = Rf12_trans(&H8208)
End Sub


Sub Rf12_rxdata(byval Maxchar As Byte)
  Temp = Rf12_trans(&H82c8)
  Temp = Rf12_trans(&Hca81)
  Temp = Rf12_trans(&Hca83)
  For Count = 1 To Maxchar
    Rf12_ready
    Temp = Rf12_trans(&Hb000)
    Rfdata(count) = Temp
  Next Count
  Temp = Rf12_trans(&H8208)
End Sub



Function Rf12_trans(byval Wert As Word) As Word
  Local Lowbyte As Byte
  Local Highbyte As Byte

  Lowbyte = Wert And 255
  Shift Wert , Right , 8
  Reset Spi_cs

  Highbyte = Spimove(wert)
  Lowbyte = Spimove(lowbyte)
  Set Spi_cs

  Temp = Highbyte * 256
  Temp = Temp + Lowbyte
  Rf12_trans = Temp
End Function


Sub Rf12_readys
  Reset Spi_cs
  nop
  While Spi_sdo = 0
  Wend
End Sub

Sub Rf12_ready                                              'ready Empfangen
  Reset Spi_cs
  While Spi_sdo = 0
   If Len(s) > 0 Then                                       'Wenn ein string eingelesen
    Temp = Rf12_trans(&Hca81)                               'Fifo deaktivieren
    Temp = Rf12_trans(&H8208)                               'Empf. ausschalten
    Goto Schleife                                           'Springe zum hauptprogramm
   Else                                                     'sonst warte weiter auf Empfangsdaten
   Wend
  End If
End Sub