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Thread: XMC UART interrupt

  1. #1
    Beginner Beginner Embedded is on a distinguished road
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    XMC UART interrupt

    Here the IRQ is generated on SR0

    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
    XMC_UART_CH_SetInterruptNodePointer(XMC_UART0_CH1, 0);
    XMC_UART_CH_EnableEvent(XMC_UART0_CH1, XMC_UART_CH_EVENT_TRANSMIT_BUFFER);

    XMC_UART_CH_Start(XMC_UART0_CH1);

    NVIC_SetPriority(USIC0_0_IRQn, 1);
    NVIC_EnableIRQ(USIC0_0_IRQn);


    void USIC0_0_IRQHandler(void) {

    }
    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>


    Here the IRQ should be generated on SR1, not working no IRQ, what ist wrong here ?

    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
    XMC_UART_CH_SetInterruptNodePointer(XMC_UART0_CH1, 1); //SR1
    XMC_UART_CH_EnableEvent(XMC_UART0_CH1, XMC_UART_CH_EVENT_TRANSMIT_BUFFER);

    XMC_UART_CH_Start(XMC_UART0_CH1);

    NVIC_SetPriority(USIC0_1_IRQn, 1);
    NVIC_EnableIRQ(USIC0_1_IRQn);


    void USIC0_1_IRQHandler(void) {

    }
    >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

  2. #2
    Beginner Beginner Embedded is on a distinguished road
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    Ok i found the problem, i use the wrong function, now with
    XMC_UART_CH_SelectInterruptNodePointer(XMC_UART0_C H1, XMC_UART_CH_INTERRUPT_NODE_POINTER_TRANSMIT_BUFFER , 1);

    all is working

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