Editing A Tutorial on PIC interrupts using BoostC including Example Programs
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Features of the external interrupt that we will use. | Features of the external interrupt that we will use. | ||
− | The interrupt is | + | The interrupt is trigger by input on RB0, either ( depending on how we set it up ) as the signal goes from 0 to 1, called the rising edge, or as the signal goes from 1 to 0, called the falling edge. This sets the interrupt flag, and if the interrupt is enabled ( and we are not already in an interrupt ) the microcontroller goes to the interrupt subroutine. |