/**************************************************************************** * apps/graphics/nuttx/pdcutil.c * * Copyright (C) 2017 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include "pdcnuttx.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: PDC_beep * * Description: * Emits a short audible beep. If this is not possible on your platform, * you must set SP->audible to false during initialization (i.e., from * PDC_scr_open() -- not here); otherwise, set it to true. This function * is called from beep(). * ****************************************************************************/ void PDC_beep(void) { PDC_LOG(("PDC_beep() - called\n")); } /**************************************************************************** * Name: PDC_napms * * Description: * This is the core delay routine, called by napms(). It pauses for about * (the X/Open spec says "at least") ms milliseconds, then returns. High * degrees of accuracy and precision are not expected (though desirable, if * you can achieve them). More important is that this function gives back * the process time slice to the OS, so that PDCurses idles at low CPU * usage. * ****************************************************************************/ void PDC_napms(int ms) { PDC_LOG(("PDC_napms() - called: ms=%d\n", ms)); usleep(ms * 1000); } /**************************************************************************** * Name: PDC_sysname * * Description: * Returns a short string describing the platform, such as "DOS" or "X11". * This is used by longname(). It must be no more than 100 characters; it * should be much, much shorter (existing platforms use no more than 5). * ****************************************************************************/ const char *PDC_sysname(void) { return "NuttX"; }