main.c
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/*
* Copyright (C) 2017 Inria
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the DSP0401 4 digit display.
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
*
* @}
*/
#include <stdio.h>
#include <inttypes.h>
#include "dsp0401_params.h"
#include "dsp0401.h"
#include "xtimer.h"
#define TEST_DELAY (2U) /* 2 seconds delay between each test */
#define WORD_DELAY (750U) /* 750 milliseconds delay between each word */
#define SCROLL_DELAY (200U) /* 200 milliseconds delay between character shift */
#ifndef LOOPS
#define LOOPS (3U) /* Number of display loops before exit */
#endif
int main(void)
{
dsp0401_t dev;
puts("Starting DSP0401 test application\n");
puts("Initializing DSP4010 device.");
if (dsp0401_init(&dev, &dsp0401_params[0]) != DSP0401_OK) {
puts("[Error] Cannot initialize DSP0401 display.");
return 1;
}
puts("Initialization successful\n");
uint8_t loop = 0;
while (loop < LOOPS) {
puts("[INFO] Displaying 'THIS IS RIOT'");
dsp0401_display_text(&dev, (char*)"THIS");
xtimer_usleep(WORD_DELAY * US_PER_MS);
dsp0401_display_text(&dev, (char*)" IS ");
xtimer_usleep(WORD_DELAY * US_PER_MS);
dsp0401_display_text(&dev, (char*)"RIOT");
xtimer_sleep(TEST_DELAY);
puts("[INFO] Clearing text!");
dsp0401_clear_text(&dev);
xtimer_sleep(TEST_DELAY);
puts("[INFO] Scrolling 'THIS IS RIOT'");
dsp0401_scroll_text(&dev, (char*)("THIS IS RIOT"), SCROLL_DELAY);
xtimer_sleep(TEST_DELAY);
puts("[INFO] Done\n");
++loop;
}
puts("SUCCESS");
return 0;
}