Commit | Line | Data |
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4c08b9e7 | 1 | /* |
2 | * (C) GraÅžvydas "notaz" Ignotas, 2011 | |
3 | * | |
4 | * This work is licensed under the terms of any of these licenses | |
5 | * (at your option): | |
6 | * - GNU GPL, version 2 or later. | |
7 | * - GNU LGPL, version 2.1 or later. | |
8 | * See the COPYING file in the top-level directory. | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
12 | #include <stdlib.h> | |
13 | #include <dlfcn.h> | |
14 | #include <tslib.h> | |
15 | #include "plugin_lib.h" | |
16 | #include "pl_gun_ts.h" | |
17 | #include "menu.h" | |
e4c83ca6 | 18 | #include "../plugins/dfinput/externals.h" |
a76fd953 PI |
19 | #include "../plugins/dfinput/main.h" |
20 | ||
21 | #ifdef MAEMO | |
22 | #define N900_TSMAX_X 4096 | |
23 | #define N900_TSOFFSET_X 0 | |
24 | #define N900_TSMAX_Y 4096 | |
25 | #define N900_TSOFFSET_Y 0 | |
26 | #endif | |
4c08b9e7 | 27 | |
28 | static int gun_x, gun_y, gun_in; | |
29 | static int ts_multiplier_x, ts_multiplier_y, ts_offs_x, ts_offs_y; | |
50306d8d | 30 | static int (*pts_read)(struct tsdev *dev, struct ts_sample *sample, int nr); |
31 | static int (*pts_fd)(struct tsdev *dev); | |
4c08b9e7 | 32 | |
33 | #define limit(v, min, max) \ | |
34 | if (v < min) v = min; \ | |
35 | else if (v > max) v = max | |
36 | ||
50306d8d | 37 | int pl_gun_ts_update_raw(struct tsdev *ts, int *x, int *y, int *p) |
4c08b9e7 | 38 | { |
39 | struct ts_sample sample; | |
40 | int sx = 0, sy = 0, sp = 0, updated = 0; | |
41 | ||
42 | if (ts != NULL) { | |
43 | while (pts_read(ts, &sample, 1) > 0) { | |
44 | sx = sample.x; | |
a76fd953 PI |
45 | #ifdef MAEMO |
46 | sy = N900_TSMAX_Y - sample.y; | |
47 | #else | |
4c08b9e7 | 48 | sy = sample.y; |
a76fd953 | 49 | #endif |
4c08b9e7 | 50 | sp = sample.pressure; |
51 | updated = 1; | |
52 | } | |
53 | ||
54 | if (updated) { | |
55 | gun_x = (sx - ts_offs_x) * ts_multiplier_x >> 10; | |
56 | gun_y = (sy - ts_offs_y) * ts_multiplier_y >> 10; | |
57 | limit(gun_x, 0, 1023); | |
58 | limit(gun_y, 0, 1023); | |
59 | if (sp && !(g_opts & OPT_TSGUN_NOTRIGGER)) | |
60 | gun_in |= GUNIN_TRIGGER; | |
61 | else | |
62 | gun_in &= ~GUNIN_TRIGGER; | |
63 | } | |
64 | } | |
65 | ||
50306d8d | 66 | if (updated) { |
67 | if (x) *x = sx; | |
68 | if (y) *y = sy; | |
69 | if (p) *p = sp; | |
70 | return 1; | |
71 | } | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
e4c83ca6 | 76 | /* returns x, y in range 0..1023 (normalized to visible layer) */ |
50306d8d | 77 | void pl_gun_ts_update(struct tsdev *ts, int *x, int *y, int *in) |
78 | { | |
79 | pl_gun_ts_update_raw(ts, NULL, NULL, NULL); | |
80 | ||
4c08b9e7 | 81 | *x = gun_x; |
82 | *y = gun_y; | |
83 | *in = gun_in | in_state_gun; | |
84 | } | |
85 | ||
86 | void pl_set_gun_rect(int x, int y, int w, int h) | |
87 | { | |
88 | ts_offs_x = x; | |
89 | ts_offs_y = y; | |
90 | ts_multiplier_x = (1<<20) / w; | |
91 | ts_multiplier_y = (1<<20) / h; | |
92 | } | |
93 | ||
50306d8d | 94 | int pl_gun_ts_get_fd(struct tsdev *ts) |
95 | { | |
96 | if (ts != NULL && pts_fd != NULL) | |
97 | return pts_fd(ts); | |
98 | ||
99 | return -1; | |
100 | } | |
101 | ||
4c08b9e7 | 102 | struct tsdev *pl_gun_ts_init(void) |
103 | { | |
104 | struct tsdev *(*pts_open)(const char *dev_name, int nonblock) = NULL; | |
105 | int (*pts_config)(struct tsdev *) = NULL; | |
106 | int (*pts_close)(struct tsdev *) = NULL; | |
107 | const char *tsdevname; | |
108 | struct tsdev *ts; | |
109 | void *ltsh; | |
110 | ||
a76fd953 PI |
111 | #ifdef MAEMO |
112 | tsdevname = "/dev/input/ts"; | |
113 | #else | |
4c08b9e7 | 114 | tsdevname = getenv("TSLIB_TSDEVICE"); |
115 | if (tsdevname == NULL) | |
116 | tsdevname = "/dev/input/touchscreen0"; | |
a76fd953 | 117 | #endif |
4c08b9e7 | 118 | |
119 | // avoid hard dep on tslib | |
faf2b2aa | 120 | ltsh = dlopen("/usr/lib/libts-1.0.so.0", RTLD_NOW|RTLD_GLOBAL); |
4c08b9e7 | 121 | if (ltsh == NULL) |
faf2b2aa | 122 | ltsh = dlopen("/usr/lib/libts-0.0.so.0", RTLD_NOW|RTLD_GLOBAL); |
50306d8d | 123 | if (ltsh == NULL) |
124 | ltsh = dlopen("/lib/libts-0.0.so.0", RTLD_NOW|RTLD_GLOBAL); | |
4c08b9e7 | 125 | if (ltsh == NULL) { |
126 | fprintf(stderr, "%s\n", dlerror()); | |
127 | goto fail; | |
128 | } | |
129 | ||
130 | pts_open = dlsym(ltsh, "ts_open"); | |
131 | pts_config = dlsym(ltsh, "ts_config"); | |
132 | pts_read = dlsym(ltsh, "ts_read"); | |
faf2b2aa | 133 | pts_fd = dlsym(ltsh, "ts_fd"); |
4c08b9e7 | 134 | pts_close = dlsym(ltsh, "ts_close"); |
faf2b2aa | 135 | if (pts_open == NULL || pts_config == NULL || pts_read == NULL |
136 | || pts_fd == NULL || pts_close == NULL) { | |
4c08b9e7 | 137 | fprintf(stderr, "%s\n", dlerror()); |
138 | goto fail_dlsym; | |
139 | } | |
140 | ||
141 | ts = pts_open(tsdevname, 1); | |
a76fd953 PI |
142 | if (ts == NULL){ |
143 | printf("Failed pts_open, check permission on %s\n", tsdevname); | |
4c08b9e7 | 144 | goto fail_open; |
a76fd953 PI |
145 | } |
146 | if (pts_config(ts) != 0){ | |
147 | printf("Failed pts_config\n"); | |
4c08b9e7 | 148 | goto fail_config; |
a76fd953 | 149 | } |
4c08b9e7 | 150 | |
151 | // FIXME: we should be able to get this somewhere | |
152 | // the problem is this doesn't always match resolution due to different display modes | |
a76fd953 PI |
153 | #ifdef MAEMO |
154 | pl_set_gun_rect(N900_TSOFFSET_X, N900_TSOFFSET_Y, N900_TSMAX_X, N900_TSMAX_Y); | |
155 | #else | |
55b0eeea | 156 | #ifdef __ARM_ARCH_7A__ |
4c08b9e7 | 157 | pl_set_gun_rect(0, 0, 800, 480); |
55b0eeea | 158 | #else |
159 | pl_set_gun_rect(0, 0, 320, 240); | |
160 | #endif | |
a76fd953 PI |
161 | #endif |
162 | printf("Touchscreen configured, device=%s\n", tsdevname); | |
4c08b9e7 | 163 | return ts; |
164 | ||
165 | fail_config: | |
366631aa | 166 | pts_close(ts); |
4c08b9e7 | 167 | fail_open: |
168 | fail_dlsym: | |
169 | dlclose(ltsh); | |
170 | ltsh = NULL; | |
171 | fail: | |
172 | fprintf(stderr, "Could not open touchscreen\n"); | |
173 | return NULL; | |
174 | } | |
175 |