Hi,
I am using an msc1210y2 chip which has a keyboard of 5 keys connected to it . I also have an interrupt pin connected to its external interrupt input (INT0) pin of MSc1210y2.
My initialization sequence of this keyboard has the following to it ..
EA = 1; /* Enable all global interrupts */ EX0 = 1; /* Enable external interrupt 0 */ IT0 = 1; /* Falling edge trigger */
After these statements i have an ISR function defined as below...
void KBD_Interrupt()interrupt 0 /* ISR of Priority 0 {
}
Now when i go for debugging of this code in the microvision2 compiler debugger it does not vector to this ISR after i enable a breakpoint in this ISR.
I am making the MSC1210y2 pin INT0 to go low to simulate the key press in the debugging option using the option from //peripherals/interrupts and //peripherals/ioports/port3 of the compiler.
Kindly let me know if i am not clear in stating my requirements in the above. Any help in this regards will be appreciated.
Regards Amit