• Serial ISRs
    I have a simple program which is only responding to my serial isr. I am using TI's MSC1210Y5 which has two UARTs on board, Port 0 and Port 1. I want to turn on a led when I receive a character on Port...
  • Handling ISR
    I have a general question regarding handling ISRs which stems from my inexperience. My understanding of ISR is that the execution branches, from the main code, to the ISR upon a condition being satisfied...
  • compiler doesn't run
    After installing the C51 Developers kit(DK51 V5.50 for windows) I can't get the compiler to run. I have windows NT 4. When I type C51 or c51.exe in the bin directory it pauses for less than a second then...
  • Why this shift doesn't run?
    Hi, I've the following question about this code fragment: ... char BuffRX xdata UCHAR BuffRX[10]; idata unsigned short ValCRCcomp; idata unsigned short ValCRCappo; idata unsigned short ValCRCappo2;...
  • Serial ISR for ADUC842
    Hello sir, I need to write an ISR for serial interrupt. void serial_int (void) interrupt 4 //ISR for Serial interrupt { if((IE & BIT4) == BIT4) //UART interrupt source REN = 1; /...