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Results tagged with interrupts
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user 61031
Interrupts signal the processor events that need immediate attention. They could emitted by hardware or software. The response to interrupts takes place in an interrupt handler (interrupt service routine, ISR) that is called after suspension of the current running code and saving the processor's state.
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Accepted
Inconsistency between GPIO block diagram and interrupt table in the BCM2835 datasheet
The BCM2835 datasheet that you referenced was written for the first generation Raspberry Pi, in which there were only 2 banks of GPIO pins.
On the BCM2837 (the SoC used in the Raspberry Pi 3), there …
- 56
2
votes
Use of gpio interrupt 2 rather than interrupt 3
If you are using a pi that has a gpio controller with 3 banks and you replace gpio_int[3] with gpio_int[2], you will only be able to get interrupts if one of the gpios in bank2 (pins 46-53) is set, but …
- 56