A3354 IRDA Support

Hi,

What software are you using?

Best regards,
Miroslav

Hi Miroslav,

I am working on am3354 based custom board with linux version 3.2.0. UART4 (ttyO4) is connected to IRDA port. I have enabled the following In the kernel

<*> IrCOMM protocol

<*> IrTTY (uses Linux serial driver)

Any other modification should i do in the driver for port ttyO4 .

Thanks

Did you enable CONFIG_IRDA in your kernel configuration?

Please read this guide: http://www.tldp.org/HOWTO/html_single/Infrared-HOWTO/

Best regards,
Miroslav

Hi Miroslav,

Thanks for your reply.  I will go through the link.

First time i am using IRDA. So dont have much idea regarding this.

I have enabled CONFIG_IRDA in kernel. I want to enable IRDA on UART4.

For this do i need to configure anything in linux/arch/arm/mach-omap2/ serial.c and linux_src/arch/arm/mach-omap2/ omap-serial.c ?

Thanks

Hi,

I haven't used IRDA for Linux before either, but reading this Linux Infrared HOWTO makes me believe that nothing has to be modified inside the serial driver. As far as I understand you just need to configure and recompile the kernel with the needed IRDA support (more info here) and then use the IrDA-Utils in user space to use the IrDA services.

Best regards,
Miroslav

Hi Miroslav,

Thank you so much for your reply :)

In the following link they are telling about some UART configuration regarding IR on UART.

http://e2e.ti.com/support/arm/sitara_arm/f/791/p/225679/1048780.aspx#1048780

Thanks

Hi,

After enabling

<*> IrCOMM protocol
<*> IrTTY (uses Linux serial driver)

the following device nodes are created in "/dev"

ircomm0   ircomm13  ircomm18  ircomm22  ircomm27  ircomm31  ircomm8
ircomm1   ircomm14  ircomm19  ircomm23  ircomm28  ircomm4   ircomm9
ircomm10  ircomm15  ircomm2   ircomm24  ircomm29  ircomm5   
ircomm11  ircomm16  ircomm20  ircomm25  ircomm3   ircomm6   
ircomm12  ircomm17  ircomm21  ircomm26  ircomm30  ircomm7

ttyO4 is connected to IRDA port. So which instance of "ircomm" is used for ttyO4.

How will i test it?

Thanks