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CCS/TMS570LS0432: SCI Rx interrupt within the RTI interrupt

Indrajit Lawande95
Expert 1350 points
Part Number: TMS570LS0432

Tool/software: Code Composer Studio

Hi , I am creating  project using TMS570ls0432 launchpad . I have to use SCI module to communicate with the external device . Also i have used RTI module to generate 100mSec RTI - interrupt and within that i have to use some  SCI Rx interrupt to receive some  data, will this configuration work?

Does Hercules support Nested interrupt ?

suggest me  any other better to implementation

  • 0
    TI__Guru**** 196306 points
    Hello Indrajit,

    Hercules MCU doesn't support nested interrupt. Only a two level nesting is thinkable when using IRQ and FIQ, where the FIQ can interrupt the IRQ.
    For example: RTI compare 0 is mapped to VIM channel 2, IRQ. SCI is mapped to VIM Channel 13, FIQ. So SCI will interrupt RTI compare 0 since FIQ has higher priority.