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Results tagged with interrupt
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user 57735
Interrupts allow the processor to suspend normal operation temporarily so that a high-priority software or hardware event can be handled instead.
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ADXL345 Arduino UNO data_ready interrupt
To ensure that there are no reentrant calls, I detach the interrupt first. Without this, the level-triggered mode causes an interrupt loop. … The use of a level-triggered interrupt makes sense because the ADXL won't produce another interrupt until you read from INT_SOURCE. …
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What is the right way to query an I2C device from an interrupt service routine?
The ADXL345, for example, requires that interrupts are responded to by querying the INT_SOURCE (interrupt source) register. … This seems to be a bad idea in an interrupt service routine (ISR). …
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