Contents
How are interrupts handled in mikroC Pro for PIC?
Interrupts can be easily handled by means of reserved words interrupt and iv. mikroC PRO for PIC implictly declares function interrupt which cannot be redeclared. Its prototype is:
How is an interrupt handled in a microcontroller?
When this button is pressed, the microcontroller is interrupted and the ISR is executed. The ISR toggles the status of PORTC for 1 second. Interrupts can be easily handled by using reserved word ‘interrupt’. MikroC PRO for PIC Microcontrollers implicitly declares a function ‘interrupt’ to handle interrupts which cannot be redeclared.
Which is part of the programme should be executed in mikroC?
If yes, it reads from the interrupt vector table which part of the programme should be executed. mikroC compiler will, at position 0x000014, write the code where function IntDetection starts and dsPIC will execute this function and return to the main program. Two operations are carried out in the interrupt function.
How is the ISR executed on a PIC microcontroller?
A push button switch is connected to the External Interrupt pin INT of the PIC Microcontroller. When this button is pressed, the microcontroller is interrupted and the ISR is executed. The ISR toggles the status of PORTC for 1 second.
What is the external interrupt pin on a PIC microcontroller?
VDD should be connected to +5V and VSS to GND. A push button switch is connected to the External Interrupt pin INT of the PIC Microcontroller. When this button is pressed, the microcontroller is interrupted and the ISR is executed. The ISR toggles the status of PORTC for 1 second.
What’s the difference between hardware and software interrupts?
If the interrupts are generated by external hardware at certain pins of microcontroller, or by inbuilt devices like timer, they are called Hardware Interrupts. While Software Interrupts are generated by a piece of code in the program. Also known as External and Internal Interrupts.