wiringPi_Blueberry/examples/scrollPhat/test.c
2023-08-11 15:53:17 +08:00

116 lines
2.8 KiB
C

/*
* test.c:
* Little test program forthe Pimoroni Scroll Phat.
*
* Copyright (c) 2015-2016 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <scrollPhat.h>
/*
* prompt:
* Simple prompt & wait
*********************************************************************************
*/
static void prompt (const char *p)
{
printf (" %s. Press ENTER: ", p) ;
(void)getchar () ;
}
/*
* the works
*********************************************************************************
*/
int main (void)
{
int x, y ;
printf ("\n") ;
printf ("Scroll Phat Test program\n") ;
printf ("========================\n") ;
if (scrollPhatSetup () != 0)
{
printf ("Unable to initialise the scrollPhat: %s\n", strerror (errno)) ;
exit (1) ;
}
printf ("-> Scroll Phat initialised OK\n") ;
printf ("... Basic display tests.\n\n") ;
prompt ("Display ought to be blank") ;
// Light all pixels using one point at a time
for (y = 0 ; y < 5 ; ++y)
for (x = 0 ; x < 12 ; ++x)
scrollPhatPoint (x, y, 1) ;
scrollPhatUpdate () ;
prompt ("Display ought to be all lit-up") ;
// Big rectangle
scrollPhatClear () ;
scrollPhatRectangle (0,0, 10, 4, 1, 0) ;
scrollPhatUpdate () ;
prompt ("There should now be a rectangle round the outside") ;
scrollPhatLine (0,0, 10,4, 1) ;
scrollPhatLine (0,4, 10,0, 1) ;
scrollPhatUpdate () ;
prompt ("Diagonal lines") ;
scrollPhatIntensity (1) ;
prompt ("Minimum brightness") ;
scrollPhatIntensity (100) ;
prompt ("Maximum brightness") ;
scrollPhatIntensity (10) ;
prompt ("Default brightness") ;
scrollPhatClear () ;
printf (" Message Test...Press Ctrl-C to exit: ") ;
fflush (stdout) ;
scrollPhatPrintSpeed (75) ;
for (;;)
scrollPhatPuts (" Welcome to the scroll phat from Pimoroni ") ;
return 0 ;
}