hi avery one.
i using i2c lcd project.also have sim900 module problem when running sim900 code in loop lcd print struct.then need run lcd code in timer interrupt.how 1 pleas me.
i using i2c lcd project.also have sim900 module problem when running sim900 code in loop lcd print struct.then need run lcd code in timer interrupt.how 1 pleas me.
post code. isn't you'd need timer interrupt drive display. far more other code needs optimized can run lcd code.
doing i2c comms in interrupt service routine sketchy @ best , might not work @ all. iirc i2c interrupt driven , during isr interrupts turned off. may end dead-locking code.
doing i2c comms in interrupt service routine sketchy @ best , might not work @ all. iirc i2c interrupt driven , during isr interrupts turned off. may end dead-locking code.
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