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8051 interrupt problem

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Microcontroller › 8051 › 8051 interrupt problem

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  • June 28, 2015 at 7:52 pm #3733
    eng was
    Participant

    hi

    i need help with 8051 interrupt code i write code to setting time and date in rtc using 7 segments i have multiplecing using 74595 and write a function to send data to display it ok then i make interrupt to setting time by call the function from it, it show Warning because i call the function from it

    so i need solution how to call the function from interrupt (can or cann't) and why it show Warning

    can i set the time from interrupt and using function or not

    June 29, 2015 at 10:36 am #13025
    akriti
    Participant

    please post your code as it will make your problem more clear to us.

    July 2, 2015 at 5:10 pm #13034
    Ashutosh Bhatt
    Participant

    the interrupt function need not to be called

    it executes automatically when interrupt arrives

    u have to declare function as ISR using "interrupt" keyword like

    void ext_int0() interrupt 0

    July 2, 2015 at 9:29 pm #13036
    eng was
    Participant

    i make call for interrupt and inside it i call function to display data while setting it show warrning ?

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