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57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <upm_utilities.h>
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#include "uln200xa.h"
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int main ()
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{
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//! [Interesting]
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// Instantiate a Stepper motor on a ULN200XA Darlington controller.
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// This was tested with the Grove Gear Stepper Motor with Driver
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// Wire the pins so that I1 is pin D8, I2 is pin D9, I3 is pin D10 and
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// I4 is pin D11
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uln200xa_context motor = uln200xa_init(4096, 8, 9, 10, 11);
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if (!motor)
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{
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printf("uln200xa_init() failed\n");
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return 1;
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}
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uln200xa_set_speed(motor, 5);
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uln200xa_set_direction(motor, ULN200XA_DIR_CW);
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printf("Rotating 1 revolution clockwise.\n");
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uln200xa_stepper_steps(motor, 4096);
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printf("Sleeping for 2 seconds...\n");
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upm_delay(2);
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printf("Rotating 1/2 revolution counter clockwise.\n");
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uln200xa_set_direction(motor, ULN200XA_DIR_CCW);
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uln200xa_stepper_steps(motor, 2048);
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// turn off the power
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uln200xa_release(motor);
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printf("Exiting...\n");
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uln200xa_close(motor);
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//! [Interesting]
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return 0;
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}
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