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90 lines
2.4 KiB
C
90 lines
2.4 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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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <signal.h>
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#include <upm_utilities.h>
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#include <my9221.h>
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int shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main ()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a GroveLEDBar, we use D8 for the data, and D9 for the
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// clock. We only use a single instance.
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my9221_context leds = my9221_init(8, 9, 1);
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if (!leds)
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{
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printf("my9221_init() failed\n");
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return 1;
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}
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while (shouldRun)
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{
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// count up
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printf("Counting up: ");
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for (int i=0; i<my9221_get_max_leds(leds); i++)
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{
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printf("%d ", i);
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my9221_clear_all(leds);
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my9221_set_led(leds, i, true);
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upm_delay_ms(100);
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}
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printf("\n");
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upm_delay_ms(100);
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// count down
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printf("Counting down: ");
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for (int i=my9221_get_max_leds(leds) - 1; i>=0; i--)
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{
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printf("%d ", i);
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my9221_clear_all(leds);
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my9221_set_led(leds, i, true);
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upm_delay_ms(100);
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}
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printf("\n");
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upm_delay_ms(100);
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}
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printf("Exiting...\n");
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my9221_close(leds);
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//! [Interesting]
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return 0;
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}
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