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CC3200 Interrupt Demo Application

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Application details

The objective of this application is to showcase interrupt preemption and tail-chaining capabilities. Nested interrupts are synthesized when the interrupts have the same priority, increasing priorities, and decreasing priorities. With increasing priorities, preemption will occur; in the other two cases tail-chaining will occur.

 Source Files briefly explained

  • pinmux - Pinmux configurations as required by the application.
  • main - Main file that showcases Interrupt Preemption capabilities
  • uart_if - To display status information over the UART
  • systick_if - Setup the systick values and registers SysTick handler


  • Setup a serial communication application (HyperTerminal/TeraTerm). For detail info visit Terminal setup

    On the host PC. The settings are:
    - Port: Enumerated COM port
    - Baud rate: 115200
    - Data: 8 bit
    - Parity: None
    - Stop: 1 bit
    - Flow control: None

  • Run the reference application (Flashing the bin/IAR/CCS).
  • Observe the status messages on the host over serial port to understand the sequence of operations performed by the application.
CC3200 interrupt terminal runScreen.png

Limitations/Known Issues