IR remote signals to be recognised by PIC

• Feb 24, 2007

• #1

Beowolf

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I want to build a remotely controlled device to be compatible with universal tv remotes using PIC.

What interface do I need?

 

• Feb 24, 2007

• #2

PaulHolland

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Hi What do you mean ?. Are you talking about the protocol ?. If yes. RC5 or RC6 is the way to go (Philips standard)

 

• Feb 24, 2007

• #3

V

vsmGuy

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TSOP1738 or similar, RC5/6 decoding algo at the minimum

 

• Feb 24, 2007

• #4

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CMOS

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Beowolf said:

I want to build a remotely controlled device to be compatible with universal tv remotes using PIC.

What interface do I need?

Click to expand...

Universal Remotes transmit all the standard remote codes, so you need to write code for only one standard. Check out my post related to RC5. Yager has posted a very nice code there.

 

• Feb 24, 2007

• #5

Beowolf

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I need schematics and some sample code...
Device should recognise commands sent by ordinary TV remote control.

I see there are various IR control IC's but I cant sort that out what to use with PIC, so anyone with experience in IR control and PIC, please share some of your :idea:

Added after 13 minutes:

Solution found on random google search:
TSOP1738, and it's cheap...
thx for the code links...

 

• Feb 25, 2007

• #6

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vsmGuy

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Beowolf,

don't I deserve a thank you for giving you the google keywords

Oh.. and send us the links and your project files when you are done.

This will help people who are starting out a lot !

Just think about yourself - if there was some tested code already ..

 

• Feb 25, 2007

• #7

Beowolf

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vsm Guy, found about TSOP before I red your post, but tnx anyway.. When I finish te project I'll post it for sure.

 

• Feb 26, 2007

• #8

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vsmGuy

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I was just pulling your leg - but thanks anyways. Do update us with your project. You are using CCS C to write the firmware ?

 

• Feb 26, 2007

• #9

Beowolf

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Yea, I'm currently in hardware development phase, then I write the code.

P.S: any link to a tutorial on including asm code in C? Particuraly, I want to write subroutines on time-sensitive operations, as is hardware -interface coding..., so, how do I reference C-coded variable in asm code? I designed a SPI interface for LCD which works excelent, bu to use it I must change the direction of SDI pin, as I use it for contrling RS pin on LCD module. Can I do it and still use CCS lib for SPI, or to write a specialised routines for my LCD?

I previously coded µC only in asm, but I know C from PC.

 

• Feb 26, 2007

• #10

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vsmGuy

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Use CCS C.

Join the forum... extensive examples for what you want to do !!

Don't forget to thank me again after you see your problem already solved for you there

 

• Apr 15, 2007

• #11

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vsmGuy

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Have you completed the project ?

How far is your RC5 Decoder ?

 

• Nov 21, 2007

• #12

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uzairsukhera

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any update on ur project?
can u help the starters now? i mean some precautionary notes etc. some instructions.....

 

• Nov 21, 2007

• #13

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CMOS

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uzairsukhera said:

any update on ur project?
can u help the starters now? i mean some precautionary notes etc. some instructions.....

Click to expand...

Not much required. The code is pretty straight forward. Let us know if you face any problems and need help.

 

• Nov 21, 2007

• #14

funnynypd

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IR is a good tool since most of the DVD, VCR has a control module, so only the receiver side need be developed. It is extremly useful for peolpe enjoy the DIY process at home. This will be useful.