spihard.bas

82 sample programs written in BASCOM-8051 for 8051 developement

' -------------------------------------------------------------------
'                       SPIHARD.BAS
'        SPI demo for the hardware SPI found in the 89S8252
' -------------------------------------------------------------------
$regfile = "89s8252.dat"
Const Sim = 1

Dim Ar(10) As Byte
Dim I As Integer

'fill array
For I = 1 To 10
  Ar(i) = I
Next

Config Spi = Hard , Interrupt = Off , Data Order = Lsb , Master = Yes , Polarity = High , Phase = 1 , Clockrate = 4

#if Sim = 0
  Spiin Ar(1) , 10
#endif
'data is sent byte by byte,each byte returned is placed into the array
For I = 1 To 10
  Print Ar(i)
Next


'note that in the simulator the program will halt because the SPSR register will not have the proper value
'that is why we use conditional compilation to exclude the code
End