Wei satisfied with this program 300A type experiment board, photoelectric rotary encoder to detect the actual number of output pulses per week. Program, the timer 0 for 8 digital tube dynamic scanning time, and time is 1ms (12MHZ crystal). Timer 1 in Mode 1, the counter mode, direct measurement of the pulse connected to the T1 pin number. External Interrupt 0, work on the edge trigger mode, then the Z in the rotary encoder signal output on the encoder used to detect a complete one revolution. 8-bit digital tube connected to a dynamic scan, connected to the P0 and P2 ports. Left 4 to display the actual number of pulses on the week, right four, used to display the current week number of pulses.

编码器的计数.txt

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