1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/****************************************************************************
* config/sim/src/up_touchscreen.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/fb.h>
#include <nuttx/input/touchscreen.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* Pick a background color */
#ifndef CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR
# define CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR 0x007b68ee
#endif
/****************************************************************************
* Private Types
****************************************************************************/
struct sim_touchscreen_s
{
NXHANDLE hnx;
};
/****************************************************************************
* Private Data
****************************************************************************/
static struct sim_touchscreen_s g_simtc;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: arch_tcinitialize()
*
* Description:
* Perform architecuture-specific initialization of the touchscreen
* hardware. This interface must be provided by all configurations
* using apps/examples/touchscreen
*
****************************************************************************/
int arch_tcinitialize(int minor)
{
FAR NX_DRIVERTYPE *dev;
nxgl_mxpixel_t color;
int ret;
/* Initialize the simulated frame buffer device. We need to create an
* X11 window to support the mouse-driven touchscreen simulation.
*/
ivdbg("Initializing framebuffer\n");
ret = up_fbinitialize();
if (ret < 0)
{
idbg("up_fbinitialize failed: %d\n", -ret);
goto errout;
}
dev = up_fbgetvplane(0);
if (!dev)
{
idbg("up_fbgetvplane 0 failed\n");
ret = -ENODEV;
goto errout_with_fb;
}
/* Then open NX */
ivdbg("Open NX\n");
g_simtc.hnx = nx_open(dev);
if (!g_simtc.hnx)
{
ret = -errno;
idbg("nx_open failed: %d\n", ret);
goto errout_with_fb;
}
/* Set the background to the configured background color */
ivdbg("Set background color=%d\n", CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR);
color = CONFIG_EXAMPLES_TOUCHSCREEN_BGCOLOR;
ret = nx_setbgcolor(g_simtc.hnx, &color);
if (ret < 0)
{
idbg("nx_setbgcolor failed: %d\n", ret);
goto errout_with_nx;
}
/* Finally, initialize the touchscreen simulation on the X window */
ret = arch_tcinitialize(minor);
if (ret < 0)
{
idbg("arch_tcinitialize failed: %d\n", ret);
goto errout_with_nx;
}
return OK;
errout_with_nx:
nx_close(g_simtc.hnx);
goto errout;
errout_with_fb:
fb_uninitialize();
errout:
return ret;
}
/****************************************************************************
* Name: arch_tcuninitialize()
*
* Description:
* Perform architecuture-specific un-initialization of the touchscreen
* hardware. This interface must be provided by all configurations
* using apps/examples/touchscreen
*
****************************************************************************/
void arch_tcuninitialize(void)
{
/* Shut down the touchscreen driver */
sim_tcuninitialize();
/* Close NX */
nx_close(g_simtc.hnx);
}
|