upm/examples/c/uln200xa.c
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

57 lines
1.3 KiB
C

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