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© MCS Electronics, 1995-2007

Do

Waitms 500

Rc5send Togbit , Address , Command

'or use the extended RC5 send code. You can not use both 'make sure that the MS bit is set to 1, so you need to send '&B10000000 this is the minimal requirement

'&B11000000 this is the normal RC5 mode '&B10100000 here the toggle bit is set

' Rc5sendext &B11000000 , Address , Command

Loop

End

RC5SENDEXT

Action

Sends extended RC5 remote code.

Syntax

RC5SENDEXT togglebit, address, command

Uses

TIMER1

Remarks

Togglebit

Make the toggle bit 0 or 32 to set the toggle bit

Address

The RC5 address

Command

The RC5 command.

Normal RC5 code uses 2 leading bits with the value '1'. After that the toggle bit follows. With extended RC5, the second bit is used to select the bank. When you make it 1 (the default and normal RC5) the RC5 code is compatible. When you make it 0, you select bank0 and thus use extended RC5 code.

The resistor must be connected to the OC1A pin. In the example a 2313 micro was used. This micro has pin portB.3 connected to OC1A.

Look in a datasheet for the proper pin when used with a different chip.

Most audio and video systems are equipped with an infra-red remote control. The RC5 code is a 14-bit word bi-phase coded signal.

The two first bits are start bits, always having the value 1.

The next bit is a control bit or toggle bit, which is inverted every time a button is pressed on the remote control transmitter.

Five system bits hold the system address so that only the right system responds to the code.

Usually, TV sets have the system address 0, VCRs the address 5 and so on. The command sequence is six bits long, allowing up to 64 different commands per address.

The bits are transmitted in bi-phase code (also known as Manchester code). An IR booster circuit is shown below:

page -602-

© MCS Electronics, 1995-2007

See also

CONFIG RC5 , GETRC5 , RC6SEND

Example

'-----------------------------------------------------------------------------

------------

: sendrc5.bas

'name

'copyright

: (c) 1995-2005, MCS Electronics

'purpose

: code based on application note from Ger Langezaal

'micro

: AT90S2313

'suited for demo

: yes

'commercial addon needed

: no

'-----------------------------------------------------------------------------

------------

$regfile = "2313def.dat"

' specify the used

micro

' used crystal

$crystal = 4000000

frequency

' use baud rate

$baud = 19200

$hwstack = 32

' default use 32

for the hardware stack

' default use 10

$swstack = 10

for the SW stack

' default use 40

$framesize = 40

for the frame space

' +5V <---[A Led K]---[220 Ohm]---> Pb.3 for 2313.

'RC5SEND is using TIMER1, no interrupts are used

'The resistor must be connected to the OC1(A) pin , in this case PB.3

Dim Togbit As Byte , Command As Byte , Address As Byte

Command = 12

' power on off

Togbit = 0

' make it 0 or 32

to set the toggle bit

Address = 0

Do

Waitms 500

' Rc5send Togbit , Address , Command

'or use the extended RC5 send code. You can not use both 'make sure that the MS bit is set to 1, so you need to send '&B10000000 this is the minimal requirement

'&B11000000 this is the normal RC5 mode '&B10100000 here the toggle bit is set Rc5sendExt &B11000000 , Address , Command

Loop

End

page -603-

© MCS Electronics, 1995-2007

RC6SEND

Action

Sends RC6 remote code.

Syntax

RC6SEND togglebit, address, command

Uses

TIMER1

Remarks

Togglebit

Make the toggle bit 0 or 1 to set the toggle bit

Address

The RC6 address

Command

The RC6 command.

The resistor must be connected to the OC1A pin. In the example a 2313 micro was used. This micro has pin portB.3 connected to OC1A.

Look in a datasheet for the proper pin when used with a different chip.

Most audio and video systems are equipped with an infrared remote control. The RC6 code is a 16-bit word bi-phase coded signal.

The header is 20 bits long including the toggle bits.

Eight system bits hold the system address so that only the right systemresponds to the code.

Usually, TV sets have the system address 0, VCRs the address 5 and so on. The command sequence is eight bits long, allowing up to 256 different commands per address.

The bits are transmitted in bi-phase code (also known as Manchester code).

An IR booster circuit is shown below:

Device

Address

TV

0

VCR

5

page -604-

© MCS Electronics, 1995-2007

SAT

8

DVD

4

This is not a complete list.

Command

Value

Command

Value

Key 0

0

Balance right

26

Key 1

1

Balance left

27

Key 2-9

2-9

Channel search+

30

Previous program

10

Channel search -

31

Standby

12

Next

32

Mute/demute

13

Previous

33

Personal preference

14

External 1

56

Display

15

External 2

57

Volume up

16

TXT submode

60

Volume down

17

Standby

61

Brightness up

18

Menu on

84

Brightness down

19

Menu off

85

Saturation up

20

Help

129

Saturation down

21

Zoom -

246

Bass up

22

Zoom +

247

Bass down

23

Treble up

24

Treble down

25

This list is by far not complete.

Since there is little info about RC6 on the net available, use code at your own risk!

See also

CONFIG RC5 , GETRC5 , RC5SEND

Example

'-----------------------------------------------------------------------------

------------

: sendrc6.bas

'name

'copyright

: (c) 1995-2005, MCS Electronics

'purpose

: code based on application note from Ger Langezaal

'micro

: AT90S2313

'suited for demo

: yes

'commercial addon needed

: no

'-----------------------------------------------------------------------------

------------

$regfile = "2313def.dat"

' specify the used

micro

' used crystal

$crystal = 4000000

frequency

' use baud rate

$baud = 19200

$hwstack = 32

' default use 32

for the hardware stack

' default use 10

$swstack = 10

for the SW stack

page -605-

© MCS Electronics, 1995-2007

$framesize = 40

' default use 40

for the frame space

'+5V <---[A Led K]---[220 Ohm]---> Pb.3 for 2313.

'RC6SEND is using TIMER1, no interrupts are used

'The resistor must be connected to the OC1(A) pin , in this case PB.3

Dim Togbit As Byte , Command As Byte , Address As Byte

'this controls the TV but you could use rc6send to make your DVD region free as well :-)

'Just search the net for the codes you need to send. Do not ask me for info

please.

32

' channel next

Command =

Togbit = 0

' make it 0 or 32

to set the toggle bit

Address =

0

Do

500

Waitms

Rc6send Togbit , Address , Command

Loop

End

READ

Action

Reads those values and assigns them to variables.

Syntax

READ var

Remarks

Var

Variable that is assigned data value.

It is best to place the DATA lines at the end of your program.

It is important that the variable is of the same type as the stored data.

See also

DATA , RESTORE

Example

'-----------------------------------------------------------------------------

------------

: readdata.bas

'name

'copyright

: (c) 1995-2005, MCS Electronics

'purpose

: demo : READ,RESTORE

'micro

: Mega48

'suited for demo

: yes

'commercial addon needed

: no

page -606-

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