control intterupt timer.

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control intterupt timer.

412 次查看
rlaxortn
Contributor IV

i am using s32ds, RTD version is 4.0.0. mcu is s32k314. 

 

i use timer interrupt by PIT.

1. Is there a register to turn the interrupt timer on and off?

except by PIT function(ex, Pit_Ip_StartChannel,  Pit_Ip_StopChannel)

 

2. i wanna make source code for control interrupt timer except PIT Function. 

like (__asm volatile ("cpsid i"), __asm volatile ("cpsie i")). but it is not work. how do i?

 

thanks to help

 

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300 次查看
VaneB
NXP TechSupport
NXP TechSupport

Hi @rlaxortn 

You can directly manipulate the PIT registers to disable the interrupt if you prefer not to use the APIs.

Regarding the inline assembly instruction __asm volatile ("cpsid i"); On ARM Cortex‑M devices, this instruction sets the PRIMASK register, which globally disables all maskable interrupts. It does not disable an individual interrupt source. 

 

BR, VaneB

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