RTOS: How to set-up manual interrupts using SYS_BIOS

Mitesh Hiran

Mastermind 6185 points

Other Parts Discussed in Thread: OMAP-L138

Tool/software: TI-RTOS

Hi there,

I am not using I2C0 on OMAP-L138 board and would like to use it as a internal User-custom interrupt.

I have added the following code in the configuration file:

var hwi8Params = new Hwi.Params();
hwi8Params.instance.name = "hwi8";
hwi8Params.priority = 3;
hwi8Params.eventId = 36;
Program.global.hwi8 = Hwi.create(8, "&data_ready_interrupt", hwi8Params);

and I am setting the interrupt manually.. in one of the timer function as following:

IntEventSet(36);

and the ISR for the interrupt is as follows:

void data_ready_interrupt(void)
{
#ifdef _TMS320C6X
IntEventClear(36);
#else
IntSystemStatusClear(56);
#endif

// Do nothing//

}

I don't see the interrupt reaching in the ISR... Am I settings it up incorrectly??

Thanks.

over 6 years ago

0 Rahul Prabhu over 6 years ago

TI__Guru** 114410 points

Mitesh,

I recommend that you look at the timer interrupt configuration as discussed here chapter
training.ti.com/ti-rtos-workshop-series-5-10-using-hwi

You can download the lab solutions for the workshop and look at the timer code which shows this configuration.

Regards,
Rahul

0 Mitesh Hiran over 6 years ago in reply to Rahul Prabhu

Mastermind 6185 points

Hi There, but my question is .. do we need to use I2C0 status registers for the above example...

for the above example the ISR is called "data_ready_interrupt" and is event 36 which is I2C0 in OMAP-L138 DSP core. But I don't want to use I2C0.. And use this interrupt as a internal hardware interrupt.. triggered by a buffer overflow or some time.

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RTOS: How to set-up manual interrupts using SYS_BIOS