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Diffstat (limited to 'firmware/target/coldfire/iriver/h300/button-h300.c')
-rw-r--r--firmware/target/coldfire/iriver/h300/button-h300.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iriver/h300/button-h300.c b/firmware/target/coldfire/iriver/h300/button-h300.c
new file mode 100644
index 0000000000..80210b6c19
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+++ b/firmware/target/coldfire/iriver/h300/button-h300.c
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1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2006 by Jonathan Gordon
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19
20
21#include <stdlib.h>
22#include "config.h"
23#include "cpu.h"
24#include "system.h"
25#include "button.h"
26#include "kernel.h"
27#include "backlight.h"
28#include "adc.h"
29#include "system.h"
30#ifdef HAVE_REMOTE_LCD
31#include "lcd-remote.h"
32#endif
33
34void button_init_device(void)
35{
36 /* Set GPIO9 and GPIO15 as general purpose inputs */
37 GPIO_ENABLE &= ~0x00008200;
38 GPIO_FUNCTION |= 0x00008200;
39 /* Set GPIO33, GPIO37, GPIO38 and GPIO52 as general purpose inputs */
40 GPIO1_ENABLE &= ~0x00100060;
41 GPIO1_FUNCTION |= 0x00100062;
42}
43
44bool button_hold(void)
45{
46 return (GPIO1_READ & 0x00000002)?true:false;
47}
48
49bool remote_button_hold_only(void)
50{
51 if(remote_type() == REMOTETYPE_H300_NONLCD)
52 return adc_scan(ADC_REMOTE)<0x0d; /* hold should be 0x00 */
53 else
54 return (GPIO1_READ & 0x00100000)?true:false;
55}
56
57/* returns true only if there is remote present */
58bool remote_button_hold(void)
59{
60 /* H300's NON-LCD remote doesn't set the "remote present" bit */
61 if(remote_type() == REMOTETYPE_H300_NONLCD)
62 return remote_button_hold_only();
63 else
64 return ((GPIO_READ & 0x40000000) == 0)?remote_button_hold_only():false;
65}
66
67/*
68 * Get button pressed from hardware
69 */
70int button_read_device(void)
71{
72 int btn = BUTTON_NONE;
73 int data;
74 static bool hold_button = false;
75 static bool remote_hold_button = false;
76 static int prev_data = 0xff;
77 static int last_valid = 0xff;
78 bool hold_button_old;
79 bool remote_hold_button_old;
80
81 /* normal buttons */
82 hold_button_old = hold_button;
83 hold_button = button_hold();
84
85
86#ifndef BOOTLOADER
87 if (hold_button != hold_button_old)
88 backlight_hold_changed(hold_button);
89#endif
90
91 if (!hold_button)
92 {
93 data = adc_scan(ADC_BUTTONS);
94
95 /* ADC debouncing: Only accept new reading if it's
96 * stable (+/-1). Use latest stable value otherwise. */
97 if ((unsigned)(data - prev_data + 1) <= 2)
98 last_valid = data;
99 prev_data = data;
100 data = last_valid;
101
102 if (data < 0xba)
103 {
104 if (data < 0x54)
105 if (data < 0x30)
106 if (data < 0x10)
107 btn = BUTTON_SELECT;
108 else
109 btn = BUTTON_UP;
110 else
111 btn = BUTTON_LEFT;
112 else
113 if (data < 0x98)
114 if (data < 0x76)
115 btn = BUTTON_DOWN;
116 else
117 btn = BUTTON_RIGHT;
118 else
119 btn = BUTTON_OFF;
120 }
121 }
122
123 /* remote buttons */
124 remote_hold_button_old = remote_hold_button;
125 remote_hold_button = remote_button_hold_only();
126
127#ifndef BOOTLOADER
128 if (remote_hold_button != remote_hold_button_old)
129 remote_backlight_hold_changed(remote_hold_button);
130#endif
131
132 if (!remote_hold_button)
133 {
134 data = adc_scan(ADC_REMOTE);
135 switch (remote_type())
136 {
137 case REMOTETYPE_H100_LCD:
138 if (data < 0xf5)
139 {
140 if (data < 0x73)
141 if (data < 0x3f)
142 if (data < 0x25)
143 if(data < 0x0c)
144 btn |= BUTTON_RC_STOP;
145 else
146 btn |= BUTTON_RC_VOL_DOWN;
147 else
148 btn |= BUTTON_RC_MODE;
149 else
150 if (data < 0x5a)
151 btn |= BUTTON_RC_VOL_UP;
152 else
153 btn |= BUTTON_RC_BITRATE;
154 else
155 if (data < 0xa8)
156 if (data < 0x8c)
157 btn |= BUTTON_RC_REC;
158 else
159 btn |= BUTTON_RC_SOURCE;
160 else
161 if (data < 0xdf)
162 if(data < 0xc5)
163 btn |= BUTTON_RC_FF;
164 else
165 btn |= BUTTON_RC_MENU;
166 else
167 btn |= BUTTON_RC_REW;
168 }
169 break;
170 case REMOTETYPE_H300_LCD:
171 if (data < 0xf5)
172 {
173 if (data < 0x73)
174 if (data < 0x42)
175 if (data < 0x27)
176 if(data < 0x0c)
177 btn |= BUTTON_RC_VOL_DOWN;
178 else
179 btn |= BUTTON_RC_FF;
180 else
181 btn |= BUTTON_RC_STOP;
182 else
183 if (data < 0x5b)
184 btn |= BUTTON_RC_MODE;
185 else
186 btn |= BUTTON_RC_REC;
187 else
188 if (data < 0xab)
189 if (data < 0x8e)
190 btn |= BUTTON_RC_ON;
191 else
192 btn |= BUTTON_RC_BITRATE;
193 else
194 if (data < 0xde)
195 if(data < 0xc5)
196 btn |= BUTTON_RC_SOURCE;
197 else
198 btn |= BUTTON_RC_VOL_UP;
199 else
200 btn |= BUTTON_RC_REW;
201 }
202 break;
203 case REMOTETYPE_H300_NONLCD:
204 if (data < 0xf1)
205 {
206 if (data < 0x7d)
207 if (data < 0x25)
208 btn |= BUTTON_RC_FF;
209 else
210 btn |= BUTTON_RC_REW;
211 else
212 if (data < 0xd5)
213 btn |= BUTTON_RC_VOL_DOWN;
214 else
215 btn |= BUTTON_RC_VOL_UP;
216 }
217 break;
218 }
219 }
220
221 if (!hold_button)
222 {
223 data = GPIO_READ;
224 if ((data & 0x0200) == 0)
225 btn |= BUTTON_MODE;
226 if ((data & 0x8000) == 0)
227 btn |= BUTTON_REC;
228 }
229
230 data = GPIO1_READ;
231 if (!hold_button && ((data & 0x20) == 0))
232 btn |= BUTTON_ON;
233 if (!remote_hold_button && ((data & 0x40) == 0))
234 switch(remote_type())
235 {
236 case REMOTETYPE_H100_LCD:
237 case REMOTETYPE_H300_NONLCD:
238 btn |= BUTTON_RC_ON;
239 break;
240 case REMOTETYPE_H300_LCD:
241 btn |= BUTTON_RC_MENU;
242 break;
243 }
244
245 return btn;
246}
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