So if we count the steps each time the signal changes, from High to Low or from Low to High, we can notice at that time the two output signals have opposite values. Vice versa, if the encoder is rotating counter clockwise, the output signals have equal values. So considering this, we can easily program our controller to read the encoder position and the rotation direction.

Filename	Size	Update
Debug\List\Oled_encoder.map	2456	2018-03-02
Debug\List\Oled_encoder.asm	70126	2018-03-02
Debug\List\Oled_encoder.lst	132837	2018-03-02
Debug\Exe\Oled_encoder.a	47958	2018-03-02
Debug\Exe\stdio.al	38348	2018-03-02
Debug\Exe\stdio.ol	53356	2018-03-02
Debug\Exe\stdlib.al	34133	2018-03-02
Debug\Exe\stdlib.ol	59102	2018-03-02
Debug\Exe\string.al	41215	2018-03-02
Debug\Exe\string.ol	43128	2018-03-02
Debug\Exe\math.al	35249	2018-03-02
Debug\Exe\math.ol	52280	2018-03-02
Debug\Exe\ctype.al	8594	2018-03-02
Debug\Exe\ctype.ol	27905	2018-03-02
Debug\Exe\Oled_encoder.rom	21931	2018-03-02
Debug\Exe\Oled_encoder.hex	9504	2018-03-02
Debug\Exe\Oled_encoder.o	53691	2018-03-02
Debug\Oled_encoder.sym1	450	2018-03-02
Debug\Oled_encoder.sym2	88	2018-03-02
Debug\Oled_encoder.sym3	17	2018-03-02
Debug\Oled_encoder.str1	14	2018-03-02
Debug\Oled_encoder.obj	16994	2018-03-02
Debug\Oled_encoder.cof	4182	2018-03-02
Lib\SSD1306.c~	16346	2018-02-28
Lib\DS1307_AVR.cci	1213	2018-03-02
Lib\SSD1306.cci	1045	2018-02-28
Lib\DS18B20_AVR.cci	518	2018-03-01
Lib\Io_clock.c~	286	2018-02-28
Lib\Io_clock.cci	66	2018-03-02
Lib\SSD1306_AVR.cci	2433	2018-03-02
Lib\Fonts.cci	165	2018-03-02
Lib\DS3231_AVR.cci	1459	2018-03-01
Lib\DS3231_AVR.c~	11195	2018-03-01
Lib\Timer_AVR.c	4154	2018-03-01
Lib\DS3231_AVR.c	11220	2018-03-01
Lib\Timer_AVR.cci	304	2018-03-02
Lib\DS18B20_AVR.c~	2482	2018-03-01
Lib\DS18B20_AVR.c	2521	2018-03-01
Lib\DS1307_AVR.c~	9891	2018-03-01
Lib\DS1307_AVR.c	9897	2018-03-01
Lib\Fonts.c~	16118	2018-03-02
Lib\SSD1306_AVR.c~	14222	2018-03-02
Lib\SSD1306_AVR.c	12048	2018-03-02
Lib\Fonts.c	13352	2018-03-02
Lib\EXT_AVR.cci	247	2018-03-02
Lib\EXT_AVR.c~	1394	2018-03-02
Lib\EXT_AVR.c	1824	2018-03-02
Lib\Io_clock.c	325	2018-03-02
Oled_encoder.atsln	889	2018-03-02
Oled_encoder.c	1080	2018-03-02
Oled_encoder.c~	2054	2018-03-02
Oled_encoder.cbi	267	2018-03-02
Oled_encoder.cci	862	2018-03-02
Oled_encoder.cof	4182	2018-03-02
Oled_encoder.cproj	1714	2018-03-02
Oled_encoder.cwp	7694	2018-03-02
Oled_encoder.fct	440	2018-03-02
Oled_encoder.prj	11065	2018-03-02
Oled_encoder.txt	0	2018-03-02
Debug\List	0	2018-03-02
Debug\Exe	0	2018-03-02
Release\List	0	2018-03-02
Release\Exe	0	2018-03-02
Debug	0	2018-03-02
Lib	0	2017-04-26
Release	0	2018-03-02

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