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authorDaniel Stenberg <daniel@haxx.se>2002-04-16 13:40:42 +0000
committerDaniel Stenberg <daniel@haxx.se>2002-04-16 13:40:42 +0000
commitbde61f220627b0fac9de0da322f0354675a6ef47 (patch)
treeeedca0d0ac02ea61d43a47f386bae156664a4c57 /firmware
parentfeef1ed07690c5b027e441d1ffdc381d8e71038c (diff)
downloadrockbox-bde61f220627b0fac9de0da322f0354675a6ef47.tar.gz
rockbox-bde61f220627b0fac9de0da322f0354675a6ef47.zip
ident properly
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@102 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
-rw-r--r--firmware/button.c132
1 files changed, 69 insertions, 63 deletions
diff --git a/firmware/button.c b/firmware/button.c
index 2bea49879c..bedd294606 100644
--- a/firmware/button.c
+++ b/firmware/button.c
@@ -61,20 +61,20 @@ static int count; /* Number of calls button has been down */
61void button_init() 61void button_init()
62{ 62{
63#ifndef SIMULATOR 63#ifndef SIMULATOR
64 /* Set PB4 and PB8 as input pins */ 64 /* Set PB4 and PB8 as input pins */
65 PBCR1 &= 0xfffc; /* PB8MD = 00 */ 65 PBCR1 &= 0xfffc; /* PB8MD = 00 */
66 PBCR2 &= 0xfcff; /* PB4MD = 00 */ 66 PBCR2 &= 0xfcff; /* PB4MD = 00 */
67 PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */ 67 PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */
68 68
69 /* Set A/D to scan AN4 and AN5. 69 /* Set A/D to scan AN4 and AN5.
70 * This needs to be changed to scan other analog pins 70 * This needs to be changed to scan other analog pins
71 * for battery level, etc. */ 71 * for battery level, etc. */
72 ADCSR = 0; 72 ADCSR = 0;
73 ADCR = 0; 73 ADCR = 0;
74 ADCSR = ADCSR_ADST | ADCSR_SCAN | 0x5; 74 ADCSR = ADCSR_ADST | ADCSR_SCAN | 0x5;
75#endif 75#endif
76 last = BUTTON_NONE; 76 last = BUTTON_NONE;
77 count = 0; 77 count = 0;
78} 78}
79 79
80/* 80/*
@@ -82,36 +82,36 @@ void button_init()
82 */ 82 */
83static int get_raw_button (void) 83static int get_raw_button (void)
84{ 84{
85 /* Check port B pins for ON and OFF */ 85 /* Check port B pins for ON and OFF */
86 int data = PBDR; 86 int data = PBDR;
87 if ((data & PBDR_BTN_ON) == 0) 87 if ((data & PBDR_BTN_ON) == 0)
88 return BUTTON_ON; 88 return BUTTON_ON;
89 else if ((data & PBDR_BTN_OFF) == 0) 89 else if ((data & PBDR_BTN_OFF) == 0)
90 return BUTTON_OFF; 90 return BUTTON_OFF;
91 91
92 /* Check AN4 pin for F1-3 and UP */ 92 /* Check AN4 pin for F1-3 and UP */
93 data = ADDRAH; 93 data = ADDRAH;
94 if (data >= LEVEL4) 94 if (data >= LEVEL4)
95 return BUTTON_F3; 95 return BUTTON_F3;
96 else if (data >= LEVEL3) 96 else if (data >= LEVEL3)
97 return BUTTON_UP; 97 return BUTTON_UP;
98 else if (data >= LEVEL2) 98 else if (data >= LEVEL2)
99 return BUTTON_F2; 99 return BUTTON_F2;
100 else if (data >= LEVEL1) 100 else if (data >= LEVEL1)
101 return BUTTON_F1; 101 return BUTTON_F1;
102 102
103 /* Check AN5 pin for DOWN, PLAY, LEFT, RIGHT */ 103 /* Check AN5 pin for DOWN, PLAY, LEFT, RIGHT */
104 data = ADDRBH; 104 data = ADDRBH;
105 if (data >= LEVEL4) 105 if (data >= LEVEL4)
106 return BUTTON_DOWN; 106 return BUTTON_DOWN;
107 else if (data >= LEVEL3) 107 else if (data >= LEVEL3)
108 return BUTTON_PLAY; 108 return BUTTON_PLAY;
109 else if (data >= LEVEL2) 109 else if (data >= LEVEL2)
110 return BUTTON_LEFT; 110 return BUTTON_LEFT;
111 else if (data >= LEVEL1) 111 else if (data >= LEVEL1)
112 return BUTTON_RIGHT; 112 return BUTTON_RIGHT;
113 113
114 return BUTTON_NONE; 114 return BUTTON_NONE;
115} 115}
116 116
117/* 117/*
@@ -123,29 +123,35 @@ static int get_raw_button (void)
123 */ 123 */
124int button_get(void) 124int button_get(void)
125{ 125{
126 int btn = get_raw_button(); 126 int btn = get_raw_button();
127 int ret; 127 int ret;
128 128
129 /* Last button pressed is still down */ 129 /* Last button pressed is still down */
130 if (btn != BUTTON_NONE && btn == last) { 130 if (btn != BUTTON_NONE && btn == last) {
131 count++; 131 count++;
132 if (count == BOUNCE_COUNT) 132 if (count == BOUNCE_COUNT)
133 return btn; 133 return btn;
134 else if (count >= HOLD_COUNT) 134 else if (count >= HOLD_COUNT)
135 return btn | BUTTON_HELD; 135 return btn | BUTTON_HELD;
136 else
137 return BUTTON_NONE;
138 }
139
140 /* Last button pressed now released */
141 if (btn == BUTTON_NONE && last != BUTTON_NONE)
142 ret = last | BUTTON_REL;
136 else 143 else
137 return BUTTON_NONE; 144 ret = BUTTON_NONE;
138 } 145
139 146 last = btn;
140 /* Last button pressed now released */ 147 count = 0;
141 if (btn == BUTTON_NONE && last != BUTTON_NONE) 148 return ret;
142 ret = last | BUTTON_REL;
143 else
144 ret = BUTTON_NONE;
145
146 last = btn;
147 count = 0;
148 return ret;
149} 149}
150 150
151#endif /* HAVE_RECORDER_KEYPAD */ 151#endif /* HAVE_RECORDER_KEYPAD */
152
153/* -----------------------------------------------------------------
154 * local variables:
155 * eval: (load-file "rockbox-mode.el")
156 * end:
157 */