Wireless transmission of programs.

maxneo · Joined: 07 Sep 2010 Posts: 35

Hi
I have been using blutooth along with a bootloader. To avoid having to use the code in program I use a ATTiny to sniff rx and detects when the 123 will come then puts attinyn a reset pulse and waits until PB3 goes low then then it starts listening efer 123 again. It works, but you can do it more smoothly? I using HC05 as a transmitter and the transmitter operates up to 10 m.
The program

'------------------------------------------------------------------------------
' Reset signal for MCS Bootloader
'------------------------------------------------------------------------------
$regfile = "attiny45.dat"
$prog &HFF , &HD2 , &HDC , &HFF
$crystal = 8000000
$hwstack = 64
$swstack = 64
$framesize = 64
Dim Bstatus As Byte
Const On = 1
Const Off = 0
'Ddrb = &B00011001
Led Alias Pinb.4 'fungerar inte
Res Alias Pinb.3
Ok Alias Pinb.2
Config Led = Output
Config Res = Output
Config Ok = Input
Res = On 'set Res
Led = Off 'Reset Led
Ok = On
Open "comb.1:38400,8,n,1" For Input As #2
'Open "comb.0:38400,8,n,1" For Output As #1
Do
Bstatus = Waitkey(#2) '{ did we received value 123 ?
If Bstatus = 123 Then
Led = On 'Set Led
Res = Off 'Reset Res
Waitms 5
Res = On
Bitwait Ok , Reset
Led = Off 'Reset Led
End If
nop
Loop
End

Maybe there's something smarter way to do this. But it works just fine.
Sincerely Maxneo

(BASCOM-AVR version : 2.0.7.9 , Latest : 2.0.7.8 )

bzijlstra · Posted: Sun Jun 21, 2015 7:03 pm Post subject: In and Out mixup

Sorry, but I see some errors in assigning PIN and PORT.

The output should be configured as PORT and the input as PIN.

RES and LED should be outputs, so PORT

Have fun and thanks for sharing
Ben Zijlstra

maxneo · Joined: 07 Sep 2010 Posts: 35

Thanks for the answer because I did not get the alias to work, I used the toggle, but now it works well thanks for your help.

Led Aliases Portb.4 'not working
Res Alias Portb.3
Ok Alias Pinb.2
Config Pinb.2 = Input
Config = Output Led
Config Res = Output
Ok config = Input

Sincerely Max Neo