184 lines
5.5 KiB
C
184 lines
5.5 KiB
C
/****************************************************************************
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* apps/examples/nxhello/nxhello.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __APPS_EXAMPLES_NXHELLO_NXHELLO_H
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#define __APPS_EXAMPLES_NXHELLO_NXHELLO_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <semaphore.h>
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#include <nuttx/nx/nxglib.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxfonts.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_NX
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# error "NX is not enabled (CONFIG_NX)"
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#endif
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/* If not specified, assume that the hardware supports one video plane */
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#if CONFIG_NX_NPLANES != 1
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# error "Only CONFIG_NX_NPLANES==1 supported"
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_BGCOLOR
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# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x007b68ee
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# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x7b5d
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# elif CONFIG_EXAMPLES_NXHELLO_BPP < 8
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR 0x00
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# else
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# define CONFIG_EXAMPLES_NXHELLO_BGCOLOR ' '
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# endif
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_FONTID
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# define CONFIG_EXAMPLES_NXHELLO_FONTID NXFONT_DEFAULT
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_FONTCOLOR
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# if CONFIG_EXAMPLES_NXHELLO_BPP == 24 || CONFIG_EXAMPLES_NXHELLO_BPP == 32
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x00000000
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# elif CONFIG_EXAMPLES_NXHELLO_BPP == 16
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x0000
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# elif CONFIG_EXAMPLES_NXHELLO_BPP < 1
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 0x01
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# else
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# define CONFIG_EXAMPLES_NXHELLO_FONTCOLOR 'F'
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# endif
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#endif
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/* NX server support */
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#ifdef CONFIG_DISABLE_MQUEUE
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# error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=n)"
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#endif
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#ifdef CONFIG_DISABLE_PTHREAD
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# error "This example requires pthread support (CONFIG_DISABLE_PTHREAD=n)"
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#endif
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#ifndef CONFIG_NX_BLOCKING
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# error "This example depends on CONFIG_NX_BLOCKING"
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_LISTENER_STACKSIZE
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# define CONFIG_EXAMPLES_NXHELLO_LISTENER_STACKSIZE 2048
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_LISTENERPRIO
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# define CONFIG_EXAMPLES_NXHELLO_LISTENERPRIO 100
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_CLIENTPRIO
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# define CONFIG_EXAMPLES_NXHELLO_CLIENTPRIO 100
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#endif
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#ifndef CONFIG_EXAMPLES_NXHELLO_SERVERPRIO
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# define CONFIG_EXAMPLES_NXHELLO_SERVERPRIO 120
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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enum exitcode_e
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{
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NXEXIT_SUCCESS = 0,
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NXEXIT_INIT,
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NXEXIT_FONTOPEN,
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NXEXIT_NXREQUESTBKGD,
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NXEXIT_NXSETBGCOLOR
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};
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/* Describes one cached glyph bitmap */
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struct nxhello_glyph_s
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{
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uint8_t code; /* Character code */
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uint8_t height; /* Height of this glyph (in rows) */
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uint8_t width; /* Width of this glyph (in pixels) */
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uint8_t stride; /* Width of the glyph row (in bytes) */
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uint8_t usecnt; /* Use count */
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FAR uint8_t *bitmap; /* Allocated bitmap memory */
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};
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/* Describes on character on the display */
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struct nxhello_bitmap_s
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{
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uint8_t code; /* Character code */
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uint8_t flags; /* See BMFLAGS_* */
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struct nxgl_point_s pos; /* Character position */
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};
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struct nxhello_data_s
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{
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/* The NX handles */
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NXHANDLE hnx;
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NXHANDLE hbkgd;
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NXHANDLE hfont;
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bool connected;
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/* The screen resolution */
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nxgl_coord_t xres;
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nxgl_coord_t yres;
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volatile bool havepos;
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sem_t eventsem;
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volatile int code;
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* NXHELLO state data */
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extern struct nxhello_data_s g_nxhello;
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/* NX callback vtables */
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extern const struct nx_callback_s g_nxhellocb;
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/* NX event listener */
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FAR void *nxhello_listener(FAR void *arg);
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/* Background window interfaces */
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void nxhello_hello(NXWINDOW hwnd);
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#endif /* __APPS_EXAMPLES_NXHELLO_NXHELLO_H */
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