Very simple operation samples of unipolar stepper motor. This code has been made to help beginners to learn the stepper motor. The history of the code shows the how to generate pulses from very basic level.
History
version 8 : motor control by function
2014-01-11, by okano [Sat, 11 Jan 2014 02:37:00 +0000] rev 11
version 8 : motor control by function
version 7 : speed setting by variable
2014-01-11, by okano [Sat, 11 Jan 2014 02:20:23 +0000] rev 10
version 7 : speed setting by variable
version 6 : 2-phase drive
2014-01-11, by okano [Sat, 11 Jan 2014 02:11:56 +0000] rev 9
version 6 : 2-phase drive
version 5 : Smaller loop using array index
2014-01-11, by okano [Sat, 11 Jan 2014 02:08:45 +0000] rev 8
version 5 : Smaller loop using array index
version 4 : Output pulse pattern in array
2014-01-11, by okano [Sat, 11 Jan 2014 02:05:17 +0000] rev 7
version 4 : Output pulse pattern in array
version 3 : Operation by BusOut
2014-01-11, by okano [Sat, 11 Jan 2014 01:58:21 +0000] rev 6
version 3 : Operation by BusOut
version 0-2 : Check BusOut by LED
2014-01-11, by okano [Sat, 11 Jan 2014 01:51:26 +0000] rev 5
version 0-2 : Check BusOut by LED
version 2 : 360 steps clockwise and counterclockwise rotations
2014-01-11, by okano [Sat, 11 Jan 2014 01:45:19 +0000] rev 4
version 2 : 360 steps clockwise and counterclockwise rotations
version 1-1 : Rotate motor in reverse direction
2014-01-11, by okano [Sat, 11 Jan 2014 01:34:59 +0000] rev 3
version 1-1 : Rotate motor in reverse direction
version 1 : Output pulses to p23, p24, p25 and p26 ports
2014-01-11, by okano [Sat, 11 Jan 2014 01:31:36 +0000] rev 2
version 1 : Output pulses to p23, p24, p25 and p26 ports