• UART ISR() not triggering with RTX/ADUC7020
    Hello all, I'm using RTX and ADUC7020 processor and have a problem with the UART ISR routine where the ISR isn't triggering when UART data is sent to it. In my main(), I have: GP1DAT |=...
  • Interrups Do not Trigger User Code ISR's
    I am running a piece of code that has ISR's (ie timer, serial) When I generate interrupts.. say by writting to the SBUF register I get the data in the SERIAL I/O window and it shows an interrupt occurred...
  • How to implement a SWI ISR
    How do I implement a SWI interrupt (using arm-mdk version and the realview compiler)? I changed the startup-file IMPORT AT91F_SWI SWI_Addr DCD AT91F_SWI But how could I call this...
  • Level triggered vs edge triggered
    I am triyng to make an interrupt routine to control the entrance and exit of a client from a taxi car.The problem is that I dont know exacly what I should choose: Level triggered or edge triggered. ...
  • implements a first - in last - out (FILO) queue of length
    Hi, I would like to write a stm32f4 discovery code using First In Last Out queue of any length. I am initially confusing what is the main communication protocol should i use USART or SPI or I2C etc...