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Hi guys. About 5 years I'm trying to make a ppm decoder with the Pic16f628A But if I try to read more than 1 channel, an error occurs. I do not know where I'm going wrong. I am using the portb interrupt The port Rb5 is channel1, rb6 channel 2 and rb7 Channel 3 I've created a global variable that numbers channels, for example. It starts with channel 1, check if channel 1 was for high level. If it was, zero the timer1 and set the ledge up or down for descent. If there was interruption by descent edge, I capture the time of the timer1, reconfigure the interrupt edge to rise and increment the control variable to 2. And so on. I know it's wrong because if one channel fails, everyone fails. Does anyone have an example of a program or can you help me? Thank you very much |
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