LINUXSDK-OMAPL138: Adding IPC to an existing DSP application

Petr Di

Hi there,

I use Linux and RTOS SDKs 5.0.0.15 on LCDKOMAPL138

I try to add IPC to a DSP application following by wiki:

In my project IPC side works successfully (I run ARM side of IPC example on Linux successfully) but GPIO code do nothing. Would anybody point what is wrong in GPIO control?

Here is my CCS project: GPIO_LedBlink_c674x_IPC.zip

Thanks!

over 7 years ago

0 Yordan Kovachev over 7 years ago

TI__Guru**** 161600 points

Hi,

Let me take a look at this and I will update.

Best Regards,
Yordan

0 Petr Di over 7 years ago

Intellectual 430 points

Hi,
I don't know is it proper. I resolved issue by adding Board_init() with only BOARD_INIT_PINMUX_CONFIG.
Wiki says "Comment out the line that calls Board_init(boardCfg)". Is it related AM572x only?

I think it work successfully because pinmux configs in Linux device tree and in PDK are not conflict in my case. So I need to configure pinmux for GPIO on DSP side properly? I right?

PS: code in my project above needs to be fixed: GPIO_toggle() must be called with right led number

0 Petr Di over 7 years ago in reply to Petr Di

Intellectual 430 points

Sorry for bad project archive. Here is fixed project: 5001.GPIO_LedBlink_c674x_IPC.zip

I moved linked resources into project directory.

0 Yordan Kovachev over 7 years ago in reply to Petr Di

TI__Guru**** 161600 points

Hi,

Wiki says "Comment out the line that calls Board_init(boardCfg)". Is it related AM572x only?

The wiki refers AM572x examples, yes.

So I need to configure pinmux for GPIO on DSP side properly? I right?

Yes, this is correct.

Best Regards,
Yordan

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LINUXSDK-OMAPL138: Adding IPC to an existing DSP application