1 /* RetroArch - A frontend for libretro.
2 * Copyright (C) 2010-2014 - Hans-Kristian Arntzen
3 * Copyright (C) 2011-2017 - Daniel De Matteis
4 * Copyright (C) 2013-2014 - CatalystG
5 *
6 * RetroArch is free software: you can redistribute it and/or modify it under the terms
7 * of the GNU General Public License as published by the Free Software Found-
8 * ation, either version 3 of the License, or (at your option) any later version.
9 *
10 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
11 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 * PURPOSE. See the GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along with RetroArch.
15 * If not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "../../config.def.h"
19
20 #include "../../tasks/tasks_internal.h"
21 #include "../../configuration.h"
22
qnx_joypad_name(unsigned pad)23 static const char *qnx_joypad_name(unsigned pad)
24 {
25 return input_config_get_device_name(pad);
26 }
27
qnx_joypad_init(void * data)28 static void *qnx_joypad_init(void *data)
29 {
30 unsigned autoconf_pad;
31
32 for (autoconf_pad = 0; autoconf_pad < MAX_USERS; autoconf_pad++)
33 input_autoconfigure_connect(
34 qnx_joypad_name(autoconf_pad),
35 NULL,
36 qnx_joypad.ident,
37 autoconf_pad,
38 0,
39 0
40 );
41
42 return (void*)-1;
43 }
44
qnx_joypad_button(unsigned port,uint16_t joykey)45 static int16_t qnx_joypad_button(unsigned port, uint16_t joykey)
46 {
47 qnx_input_device_t* controller = NULL;
48 qnx_input_t *qnx = (qnx_input_t*)input_driver_get_data();
49
50 if (!qnx || port >= DEFAULT_MAX_PADS)
51 return 0;
52
53 controller = (qnx_input_device_t*)&qnx->devices[port];
54
55 if (joykey <= 19)
56 return ((controller->buttons & (1 << joykey)) != 0);
57 return 0;
58 }
59
qnx_joypad_axis_state(qnx_input_t * qnx,qnx_input_device_t * controller,unsigned port,uint32_t joyaxis)60 static int16_t qnx_joypad_axis_state(
61 qnx_input_t *qnx,
62 qnx_input_device_t *controller,
63 unsigned port, uint32_t joyaxis)
64 {
65 int val = 0;
66 int axis = -1;
67 bool is_neg = false;
68 bool is_pos = false;
69
70 if (AXIS_NEG_GET(joyaxis) < 4)
71 {
72 axis = AXIS_NEG_GET(joyaxis);
73 is_neg = true;
74 }
75 else if (AXIS_POS_GET(joyaxis) < 4)
76 {
77 axis = AXIS_POS_GET(joyaxis);
78 is_pos = true;
79 }
80
81 switch (axis)
82 {
83 case 0:
84 case 1:
85 val = controller->analog0[axis];
86 break;
87 case 2:
88 case 3:
89 val = controller->analog1[axis-2];
90 break;
91 }
92
93 if (is_neg && val > 0)
94 return 0;
95 else if (is_pos && val < 0)
96 return 0;
97 return val;
98 }
99
qnx_joypad_axis(unsigned port,uint32_t joyaxis)100 static int16_t qnx_joypad_axis(unsigned port, uint32_t joyaxis)
101 {
102 qnx_input_t *qnx = (qnx_input_t*)input_driver_get_data();
103 qnx_input_device_t* controller = NULL;
104 if (!qnx || port >= DEFAULT_MAX_PADS)
105 return 0;
106 controller = (qnx_input_device_t*)&qnx->devices[port];
107 return qnx_joypad_axis_state(qnx, controller, port, joyaxis);
108 }
109
qnx_joypad_state(rarch_joypad_info_t * joypad_info,const struct retro_keybind * binds,unsigned port)110 static int16_t qnx_joypad_state(
111 rarch_joypad_info_t *joypad_info,
112 const struct retro_keybind *binds,
113 unsigned port)
114 {
115 unsigned i;
116 int16_t ret = 0;
117 qnx_input_t *qnx = (qnx_input_t*)input_driver_get_data();
118 qnx_input_device_t* controller = NULL;
119 uint16_t port_idx = joypad_info->joy_idx;
120
121 if (!qnx || port_idx >= DEFAULT_MAX_PADS)
122 return 0;
123 controller = (qnx_input_device_t*)&qnx->devices[port_idx];
124
125 for (i = 0; i < RARCH_FIRST_CUSTOM_BIND; i++)
126 {
127 /* Auto-binds are per joypad, not per user. */
128 const uint64_t joykey = (binds[i].joykey != NO_BTN)
129 ? binds[i].joykey : joypad_info->auto_binds[i].joykey;
130 const uint32_t joyaxis = (binds[i].joyaxis != AXIS_NONE)
131 ? binds[i].joyaxis : joypad_info->auto_binds[i].joyaxis;
132 if (
133 (uint16_t)joykey != NO_BTN
134 && (joykey <= 19)
135 && ((controller->buttons & (1 << (uint16_t)joykey)) != 0)
136 )
137 ret |= ( 1 << i);
138 else if (joyaxis != AXIS_NONE &&
139 ((float)abs(qnx_joypad_axis_state(qnx, controller, port_idx, joyaxis))
140 / 0x8000) > joypad_info->axis_threshold)
141 ret |= (1 << i);
142 }
143
144 return ret;
145 }
146
qnx_joypad_poll(void)147 static void qnx_joypad_poll(void) { }
148
qnx_joypad_query_pad(unsigned pad)149 static bool qnx_joypad_query_pad(unsigned pad)
150 {
151 return (pad < MAX_USERS);
152 }
153
qnx_joypad_destroy(void)154 static void qnx_joypad_destroy(void) { }
155
156 input_device_driver_t qnx_joypad = {
157 qnx_joypad_init,
158 qnx_joypad_query_pad,
159 qnx_joypad_destroy,
160 qnx_joypad_button,
161 qnx_joypad_state,
162 NULL,
163 qnx_joypad_axis,
164 qnx_joypad_poll,
165 NULL,
166 qnx_joypad_name,
167 "qnx",
168 };
169