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Diffstat (limited to 'apps/plugins/lib/grey_core.c')
-rw-r--r--apps/plugins/lib/grey_core.c480
1 files changed, 276 insertions, 204 deletions
diff --git a/apps/plugins/lib/grey_core.c b/apps/plugins/lib/grey_core.c
index 8a30faa5f8..6b196e1aaf 100644
--- a/apps/plugins/lib/grey_core.c
+++ b/apps/plugins/lib/grey_core.c
@@ -33,189 +33,200 @@
33 33
34#ifndef SIMULATOR 34#ifndef SIMULATOR
35 35
36#if CONFIG_LCD == LCD_SSD1815 || CONFIG_LCD == LCD_IFP7XX \ 36#if defined ARCHOS_RECORDER /* verified */ \
37 || CONFIG_LCD == LCD_MROBE100 37 || defined ARCHOS_FMRECORDER /* should be identical */ \
38/* measured and interpolated curve */ 38 || defined ARCHOS_RECORDERV2 /* should be identical */ \
39/* TODO: check for iFP & m:robe 100 */ 39 || defined ARCHOS_ONDIOFM /* verified */ \
40 || defined ARCHOS_ONDIOSP /* verified */
41/* Average measurements of a Recorder v1, an Ondio FM, a backlight-modded
42 * Ondio FM, and an Ondio SP. */
40static const unsigned char lcdlinear[256] = { 43static const unsigned char lcdlinear[256] = {
41 0, 3, 5, 8, 11, 13, 16, 18, 44 5, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 29, 31, 33, 35,
42 21, 23, 26, 28, 31, 33, 36, 38, 45 37, 39, 40, 42, 43, 45, 46, 48, 49, 50, 51, 53, 54, 55, 57, 58,
43 40, 42, 45, 47, 49, 51, 53, 55, 46 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 68, 69, 70, 71, 71, 72,
44 57, 59, 60, 62, 64, 66, 67, 69, 47 73, 74, 74, 75, 76, 77, 77, 78, 79, 79, 80, 80, 81, 81, 82, 82,
45 70, 72, 73, 74, 76, 77, 78, 79, 48 83, 84, 84, 85, 86, 86, 87, 87, 88, 88, 89, 89, 90, 90, 91, 91,
46 81, 82, 83, 84, 85, 86, 87, 88, 49 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 98, 98, 99, 100, 100,
47 88, 89, 90, 91, 92, 92, 93, 94, 50101, 101, 102, 103, 103, 104, 105, 105, 106, 106, 107, 107, 108, 108, 109, 109,
48 95, 95, 96, 97, 97, 98, 99, 99, 51110, 110, 111, 112, 112, 113, 114, 114, 115, 115, 116, 117, 117, 118, 119, 119,
49 100, 101, 102, 102, 103, 104, 104, 105, 52120, 120, 121, 122, 123, 123, 124, 125, 126, 126, 127, 128, 129, 129, 130, 131,
50 106, 106, 107, 107, 108, 109, 109, 110, 53132, 132, 133, 134, 135, 135, 136, 137, 138, 138, 139, 140, 140, 141, 141, 142,
51 111, 111, 112, 113, 113, 114, 114, 115, 54143, 144, 145, 146, 147, 147, 148, 149, 150, 151, 152, 153, 154, 154, 155, 156,
52 116, 116, 117, 117, 118, 119, 119, 120, 55157, 158, 159, 160, 161, 161, 162, 163, 164, 165, 166, 167, 168, 168, 169, 170,
53 120, 121, 121, 122, 122, 123, 123, 124, 56171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 184, 185, 186, 187,
54 124, 125, 125, 126, 126, 127, 127, 128, 57188, 189, 191, 192, 194, 195, 197, 198, 199, 200, 202, 203, 204, 205, 207, 208,
55 128, 128, 129, 129, 130, 130, 131, 131, 58209, 210, 212, 213, 215, 216, 218, 219, 220, 221, 222, 223, 225, 226, 227, 228,
56 132, 132, 133, 133, 133, 134, 134, 135, 59229, 230, 232, 233, 234, 235, 237, 238, 239, 240, 242, 243, 244, 246, 247, 248
57 135, 136, 136, 137, 137, 138, 138, 138,
58 139, 139, 140, 140, 141, 141, 142, 142,
59 143, 143, 144, 144, 145, 145, 146, 146,
60 147, 147, 148, 148, 148, 149, 149, 150,
61 150, 151, 151, 152, 152, 153, 153, 153,
62 154, 154, 155, 155, 156, 156, 157, 157,
63 158, 158, 158, 159, 159, 160, 160, 161,
64 161, 162, 162, 163, 163, 164, 164, 165,
65 165, 166, 167, 167, 168, 168, 169, 169,
66 170, 171, 171, 172, 173, 173, 174, 175,
67 176, 176, 177, 178, 179, 180, 181, 181,
68 182, 183, 184, 185, 186, 188, 189, 190,
69 191, 192, 194, 195, 196, 198, 199, 201,
70 202, 204, 205, 207, 209, 211, 213, 215,
71 217, 219, 222, 224, 226, 229, 231, 234,
72 236, 239, 242, 244, 247, 250, 252, 255
73}; 60};
74#elif CONFIG_LCD == LCD_S1D15E06 61/* The actual LCD scanrate varies a lot with temperature on these targets */
75/* measured and interpolated curve */ 62#define LCD_SCANRATE 67 /* Hz */
63
64#elif defined IAUDIO_M3 /* verified */
65/* Average measurements of 2 iAudio remotes connected to an M3. */
66static const unsigned char lcdlinear[256] = {
67 5, 9, 13, 17, 21, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66,
68 70, 73, 76, 78, 80, 82, 84, 86, 88, 90, 91, 92, 94, 95, 96, 97,
69 98, 99, 99, 100, 101, 102, 102, 103, 104, 104, 105, 105, 106, 107, 107, 108,
70109, 109, 110, 110, 111, 111, 112, 112, 113, 113, 114, 114, 115, 115, 116, 116,
71117, 117, 118, 118, 119, 119, 120, 120, 121, 121, 121, 122, 122, 123, 123, 123,
72124, 124, 124, 125, 125, 126, 126, 126, 127, 127, 127, 128, 128, 129, 129, 129,
73130, 130, 131, 131, 132, 132, 133, 133, 134, 134, 134, 135, 135, 136, 136, 136,
74137, 137, 137, 138, 138, 139, 139, 139, 140, 140, 141, 141, 142, 142, 143, 143,
75144, 144, 145, 145, 146, 147, 147, 148, 149, 149, 150, 150, 151, 151, 152, 152,
76153, 153, 154, 154, 155, 155, 156, 156, 157, 157, 158, 158, 159, 160, 160, 161,
77162, 162, 163, 164, 164, 165, 166, 167, 168, 168, 169, 169, 170, 171, 171, 172,
78173, 173, 174, 175, 176, 176, 177, 178, 179, 179, 180, 181, 182, 182, 183, 184,
79185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 198, 199, 200, 201,
80202, 203, 204, 205, 207, 208, 209, 210, 211, 212, 213, 214, 216, 217, 218, 219,
81220, 221, 222, 223, 225, 226, 227, 228, 229, 230, 231, 232, 234, 235, 236, 237,
82238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 249, 250, 251, 252
83};
84/* The actual LCD scanrate is twice as high, but we cannot transfer fast enough
85 * for 150Hz. Even at 75Hz, greyscale display is very smooth. Average from
86 * 2 iAudio remotes. */
87#define LCD_SCANRATE 75 /* Hz */
88
89#elif defined IAUDIO_M5 /* verified */
90/* Measurement of one iAudio M5L */
91static const unsigned char lcdlinear[256] = {
92 4, 6, 8, 10, 11, 13, 15, 17, 19, 21, 22, 24, 25, 27, 28, 30,
93 32, 33, 35, 36, 37, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51,
94 52, 52, 53, 54, 55, 55, 56, 57, 58, 58, 59, 60, 61, 61, 62, 63,
95 64, 64, 65, 65, 66, 66, 67, 67, 68, 68, 69, 70, 70, 71, 72, 72,
96 73, 73, 74, 75, 75, 76, 77, 77, 78, 78, 79, 79, 80, 80, 81, 81,
97 82, 82, 83, 84, 84, 85, 86, 86, 87, 87, 88, 89, 89, 90, 91, 91,
98 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 98, 98, 99, 100, 100,
99101, 101, 102, 102, 103, 103, 104, 104, 105, 105, 106, 106, 107, 107, 108, 108,
100109, 109, 110, 110, 111, 111, 112, 112, 113, 113, 114, 114, 115, 115, 116, 116,
101117, 117, 118, 119, 119, 120, 121, 121, 122, 122, 123, 124, 124, 125, 126, 126,
102127, 127, 128, 129, 130, 130, 131, 132, 133, 133, 134, 135, 135, 136, 137, 137,
103138, 139, 140, 141, 142, 142, 143, 144, 145, 146, 147, 148, 149, 149, 150, 151,
104152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 163, 164, 165, 167, 168, 169,
105170, 172, 173, 175, 177, 179, 180, 182, 184, 186, 188, 190, 192, 194, 196, 198,
106200, 202, 204, 205, 207, 209, 210, 212, 214, 216, 218, 219, 221, 223, 224, 226,
107228, 230, 231, 233, 235, 236, 237, 239, 241, 243, 244, 246, 248, 249, 250, 252
108};
109#define LCD_SCANRATE 73 /* Hz */
110
111#elif defined IPOD_1G2G /* verified */
112/* Average measurements of an iPod 1st Gen (0x00010001) and an iPod 2nd Gen
113 * (0x00020000), measured with both backlight off & backlight on (flipped
114 * curves) and medium load (white background when measuring with backlight on),
115 * as the curve is load dependent (the controller's step-up converter doesn't
116 * provide enough juice). Table is for backlight_off state. */
117static const unsigned char lcdlinear[256] = {
118 4, 6, 8, 9, 11, 13, 14, 16, 17, 18, 20, 21, 23, 24, 26, 27,
119 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 41, 42, 43, 44,
120 45, 45, 46, 47, 47, 48, 49, 49, 50, 50, 51, 51, 52, 52, 53, 53,
121 54, 54, 54, 55, 55, 56, 56, 56, 57, 57, 57, 58, 58, 59, 59, 59,
122 60, 60, 60, 61, 61, 62, 62, 62, 63, 63, 63, 64, 64, 65, 65, 65,
123 66, 66, 67, 67, 68, 68, 69, 69, 70, 70, 71, 71, 72, 72, 73, 73,
124 74, 74, 74, 75, 75, 76, 76, 76, 77, 77, 78, 78, 79, 79, 80, 80,
125 81, 81, 82, 82, 83, 83, 84, 84, 85, 85, 86, 86, 87, 87, 88, 88,
126 89, 89, 90, 91, 92, 92, 93, 94, 95, 95, 96, 97, 97, 98, 99, 99,
127100, 100, 101, 102, 102, 103, 104, 104, 105, 105, 106, 107, 107, 108, 109, 109,
128110, 110, 111, 112, 113, 113, 114, 115, 116, 116, 117, 118, 119, 119, 120, 121,
129122, 122, 123, 124, 125, 125, 126, 127, 128, 129, 130, 131, 131, 132, 133, 134,
130135, 137, 138, 139, 141, 142, 144, 145, 146, 147, 149, 150, 151, 152, 154, 155,
131156, 158, 159, 161, 162, 164, 165, 167, 169, 171, 172, 174, 175, 177, 178, 180,
132182, 184, 186, 188, 189, 191, 193, 195, 197, 199, 201, 203, 206, 208, 210, 212,
133214, 217, 219, 221, 224, 226, 229, 231, 233, 236, 238, 240, 243, 245, 247, 250
134};
135/* Average from an iPod 1st Gen and an iPod 2nd Gen */
136#define LCD_SCANRATE 96 /* Hz */
137
138#elif defined IPOD_MINI2G /* verified */ \
139 || defined IPOD_MINI /* should be identical */ \
140 || defined IPOD_3G /* TODO: verify */ \
141 || defined IPOD_4G /* TODO: verify */
142/* Measurement of one iPod Mini G2 */
76static const unsigned char lcdlinear[256] = { 143static const unsigned char lcdlinear[256] = {
77 0, 5, 11, 16, 21, 27, 32, 37, 144 2, 5, 7, 10, 12, 15, 17, 20, 22, 24, 26, 28, 30, 32, 34, 36,
78 42, 47, 51, 56, 60, 64, 68, 72, 145 38, 40, 41, 42, 44, 45, 46, 47, 48, 49, 50, 50, 51, 52, 52, 53,
79 75, 78, 81, 84, 87, 89, 91, 93, 146 54, 54, 55, 55, 56, 56, 57, 57, 58, 58, 58, 59, 59, 60, 60, 60,
80 95, 96, 98, 99, 101, 102, 103, 104, 147 61, 61, 61, 62, 62, 63, 63, 63, 64, 64, 64, 64, 65, 65, 65, 65,
81 105, 106, 107, 108, 109, 110, 111, 111, 148 66, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 69, 69, 69, 69,
82 112, 113, 113, 114, 115, 115, 116, 117, 149 70, 70, 70, 70, 71, 71, 71, 71, 72, 72, 72, 73, 73, 74, 74, 74,
83 117, 118, 118, 119, 119, 120, 120, 121, 150 75, 75, 75, 75, 76, 76, 76, 76, 77, 77, 77, 78, 78, 79, 79, 79,
84 121, 122, 122, 123, 123, 124, 124, 125, 151 80, 80, 80, 81, 81, 82, 82, 82, 83, 83, 83, 84, 84, 85, 85, 85,
85 125, 126, 126, 127, 127, 127, 128, 128, 152 86, 86, 86, 87, 87, 88, 88, 88, 89, 89, 90, 90, 91, 91, 92, 92,
86 129, 129, 130, 130, 131, 131, 132, 132, 153 93, 93, 94, 94, 95, 95, 96, 96, 97, 97, 98, 99, 99, 100, 101, 101,
87 133, 133, 134, 134, 135, 135, 136, 136, 154102, 102, 103, 104, 104, 105, 106, 106, 107, 108, 109, 110, 110, 111, 112, 113,
88 137, 137, 138, 138, 138, 139, 139, 140, 155114, 115, 115, 116, 117, 118, 118, 119, 120, 121, 121, 122, 123, 124, 124, 125,
89 140, 141, 141, 141, 142, 142, 143, 143, 156126, 127, 128, 129, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140,
90 143, 144, 144, 145, 145, 145, 146, 146, 157141, 142, 143, 144, 146, 147, 148, 149, 150, 151, 153, 154, 155, 156, 158, 159,
91 146, 147, 147, 147, 148, 148, 149, 149, 158160, 162, 163, 165, 166, 168, 169, 171, 172, 175, 177, 180, 182, 185, 187, 190,
92 149, 150, 150, 150, 151, 151, 151, 152, 159192, 196, 199, 203, 206, 210, 213, 217, 220, 223, 227, 230, 234, 238, 242, 246
93 152, 153, 153, 153, 154, 154, 155, 155,
94 155, 156, 156, 157, 157, 157, 158, 158,
95 159, 159, 159, 160, 160, 161, 161, 162,
96 162, 162, 163, 163, 164, 164, 164, 165,
97 165, 166, 166, 167, 167, 167, 168, 168,
98 169, 169, 170, 170, 170, 171, 171, 172,
99 172, 173, 173, 174, 174, 175, 175, 176,
100 176, 177, 177, 178, 178, 179, 179, 180,
101 180, 181, 182, 182, 183, 184, 184, 185,
102 186, 186, 187, 188, 188, 189, 190, 191,
103 191, 192, 193, 194, 195, 196, 196, 197,
104 198, 199, 200, 201, 202, 203, 204, 205,
105 206, 207, 208, 209, 210, 211, 213, 214,
106 215, 216, 218, 219, 220, 222, 223, 225,
107 227, 228, 230, 232, 233, 235, 237, 239,
108 241, 243, 245, 247, 249, 251, 253, 255
109}; 160};
110#elif (CONFIG_LCD == LCD_IPOD2BPP) || (CONFIG_LCD == LCD_IPODMINI) 161/* Average of an iPod Mini G2 and 2 3rd Gen iPods. */
111/* measured and interpolated curve for mini LCD */ 162#define LCD_SCANRATE 87 /* Hz */
112/* TODO: verify this curve on the fullsize greyscale LCD */ 163
164#elif defined IRIVER_H100_SERIES /* verified */
165/* Measurement of one Iriver H140 */
113static const unsigned char lcdlinear[256] = { 166static const unsigned char lcdlinear[256] = {
114 0, 3, 6, 8, 11, 14, 17, 19, 167 5, 8, 12, 15, 18, 22, 25, 28, 31, 34, 36, 39, 42, 44, 47, 50,
115 22, 24, 27, 29, 32, 34, 36, 38, 168 53, 55, 57, 59, 62, 64, 66, 68, 70, 71, 72, 73, 75, 76, 77, 78,
116 40, 42, 44, 45, 47, 48, 50, 51, 169 79, 80, 80, 81, 82, 83, 83, 84, 85, 85, 86, 86, 87, 87, 88, 88,
117 52, 54, 55, 56, 57, 58, 58, 59, 170 89, 89, 90, 90, 91, 91, 92, 92, 93, 93, 93, 94, 94, 95, 95, 95,
118 60, 61, 62, 62, 63, 64, 64, 65, 171 96, 96, 96, 97, 97, 98, 98, 98, 99, 99, 99, 100, 100, 101, 101, 101,
119 66, 66, 67, 67, 68, 68, 69, 69, 172102, 102, 102, 103, 103, 104, 104, 104, 105, 105, 106, 106, 107, 107, 108, 108,
120 70, 70, 70, 71, 71, 71, 72, 72, 173109, 109, 109, 110, 110, 111, 111, 111, 112, 112, 113, 113, 114, 114, 115, 115,
121 73, 73, 73, 74, 74, 74, 74, 75, 174116, 116, 117, 117, 118, 118, 119, 119, 120, 120, 121, 121, 122, 122, 123, 123,
122 75, 75, 76, 76, 76, 77, 77, 77, 175124, 124, 125, 125, 126, 127, 127, 128, 129, 129, 130, 130, 131, 131, 132, 132,
123 78, 78, 78, 79, 79, 79, 80, 80, 176133, 133, 134, 135, 135, 136, 137, 137, 138, 138, 139, 139, 140, 140, 141, 141,
124 80, 80, 81, 81, 81, 82, 82, 82, 177142, 142, 143, 143, 144, 145, 145, 146, 147, 147, 148, 148, 149, 150, 150, 151,
125 83, 83, 83, 84, 84, 84, 85, 85, 178152, 152, 153, 153, 154, 155, 155, 156, 157, 157, 158, 159, 160, 160, 161, 162,
126 85, 85, 86, 86, 86, 87, 87, 87, 179163, 164, 165, 166, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177,
127 87, 88, 88, 88, 89, 89, 89, 89, 180178, 179, 181, 182, 183, 184, 186, 187, 188, 189, 191, 192, 193, 194, 196, 197,
128 90, 90, 90, 91, 91, 91, 92, 92, 181198, 200, 202, 203, 205, 207, 208, 210, 212, 214, 215, 217, 218, 220, 221, 223,
129 92, 93, 93, 93, 94, 94, 94, 95, 182224, 226, 228, 229, 231, 233, 235, 236, 238, 240, 241, 242, 244, 245, 246, 248
130 95, 96, 96, 96, 97, 97, 98, 98,
131 99, 99, 99, 100, 100, 101, 101, 102,
132 102, 103, 103, 104, 104, 105, 105, 106,
133 106, 107, 107, 108, 108, 109, 109, 110,
134 110, 111, 111, 112, 113, 113, 114, 114,
135 115, 115, 116, 117, 117, 118, 118, 119,
136 120, 120, 121, 122, 122, 123, 124, 124,
137 125, 126, 126, 127, 128, 128, 129, 130,
138 131, 131, 132, 133, 134, 134, 135, 136,
139 137, 138, 139, 140, 141, 142, 143, 144,
140 145, 146, 147, 148, 149, 150, 152, 153,
141 154, 156, 157, 159, 160, 162, 163, 165,
142 167, 168, 170, 172, 174, 176, 178, 180,
143 182, 184, 187, 189, 192, 194, 197, 200,
144 203, 206, 209, 212, 215, 219, 222, 226,
145 229, 233, 236, 240, 244, 248, 251, 255
146}; 183};
147#elif CONFIG_LCD == LCD_TL0350A 184#define LCD_SCANRATE 70 /* Hz */
148/* measured and interpolated curve for iaudio remote */ 185
186#else /* not yet calibrated targets - generic linear mapping */
187/* TODO: calibrate iFP7xx
188 * TODO: Olympus m:robe 100 */
149static const unsigned char lcdlinear[256] = { 189static const unsigned char lcdlinear[256] = {
150 5, 9, 13, 17, 21, 25, 29, 33, 190 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
151 36, 39, 42, 45, 48, 51, 54, 57, 191 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
152 60, 62, 65, 67, 70, 72, 75, 77, 192 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
153 80, 82, 84, 86, 87, 89, 91, 93, 193 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
154 94, 95, 96, 97, 97, 98, 99, 99, 194 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
155 100, 100, 101, 102, 103, 103, 104, 105, 195 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
156 106, 106, 107, 108, 108, 109, 110, 111, 196 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
157 112, 112, 113, 113, 114, 114, 115, 115, 197112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
158 116, 116, 117, 117, 118, 118, 119, 119, 198128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
159 120, 120, 121, 121, 122, 122, 123, 123, 199144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159,
160 124, 124, 124, 125, 125, 126, 126, 126, 200160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
161 127, 127, 127, 128, 128, 129, 129, 129, 201176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
162 130, 130, 131, 131, 132, 132, 133, 133, 202192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
163 134, 134, 135, 135, 136, 136, 137, 137, 203208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
164 138, 138, 139, 139, 140, 140, 141, 141, 204224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
165 142, 142, 143, 143, 144, 144, 145, 145, 205240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255
166 146, 146, 147, 147, 148, 149, 149, 150,
167 151, 151, 152, 152, 153, 154, 154, 155,
168 156, 156, 157, 157, 158, 159, 159, 160,
169 161, 161, 162, 163, 164, 164, 165, 166,
170 167, 167, 168, 169, 170, 170, 171, 172,
171 173, 173, 174, 175, 176, 176, 177, 178,
172 179, 179, 180, 181, 182, 182, 183, 184,
173 185, 186, 187, 188, 188, 189, 191, 191,
174 192, 193, 194, 195, 195, 196, 197, 198,
175 199, 200, 201, 202, 203, 204, 205, 206,
176 207, 208, 209, 210, 211, 212, 213, 214,
177 215, 216, 217, 218, 219, 220, 222, 223,
178 224, 225, 226, 227, 228, 229, 230, 231,
179 232, 233, 234, 235, 236, 237, 238, 239,
180 240, 240, 241, 242, 243, 243, 244, 245,
181 246, 246, 247, 248, 249, 250, 251, 252
182}; 206};
207/* generic default */
208#define LCD_SCANRATE 70 /* Hz */
209
183#endif 210#endif
184#else /* SIMULATOR */ 211#else /* SIMULATOR */
185/* undo a (generic) PC display gamma of 2.0 to simulate target behaviour */ 212/* undo a (generic) PC display gamma of 2.0 to simulate target behaviour */
186static const unsigned char lcdlinear[256] = { 213static const unsigned char lcdlinear[256] = {
187 0, 16, 23, 28, 32, 36, 39, 42, 214 0, 16, 23, 28, 32, 36, 39, 42, 45, 48, 50, 53, 55, 58, 60, 62,
188 45, 48, 50, 53, 55, 58, 60, 62, 215 64, 66, 68, 70, 71, 73, 75, 77, 78, 80, 81, 83, 84, 86, 87, 89,
189 64, 66, 68, 70, 71, 73, 75, 77, 216 90, 92, 93, 94, 96, 97, 98, 100, 101, 102, 103, 105, 106, 107, 108, 109,
190 78, 80, 81, 83, 84, 86, 87, 89, 217111, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 127,
191 90, 92, 93, 94, 96, 97, 98, 100, 218128, 129, 130, 131, 132, 133, 134, 135, 135, 136, 137, 138, 139, 140, 141, 142,
192 101, 102, 103, 105, 106, 107, 108, 109, 219143, 144, 145, 145, 146, 147, 148, 149, 150, 151, 151, 152, 153, 154, 155, 156,
193 111, 112, 113, 114, 115, 116, 117, 118, 220156, 157, 158, 159, 160, 160, 161, 162, 163, 164, 164, 165, 166, 167, 167, 168,
194 119, 121, 122, 123, 124, 125, 126, 127, 221169, 170, 170, 171, 172, 173, 173, 174, 175, 176, 176, 177, 178, 179, 179, 180,
195 128, 129, 130, 131, 132, 133, 134, 135, 222181, 181, 182, 183, 183, 184, 185, 186, 186, 187, 188, 188, 189, 190, 190, 191,
196 135, 136, 137, 138, 139, 140, 141, 142, 223192, 192, 193, 194, 194, 195, 196, 196, 197, 198, 198, 199, 199, 200, 201, 201,
197 143, 144, 145, 145, 146, 147, 148, 149, 224202, 203, 203, 204, 204, 205, 206, 206, 207, 208, 208, 209, 209, 210, 211, 211,
198 150, 151, 151, 152, 153, 154, 155, 156, 225212, 212, 213, 214, 214, 215, 215, 216, 217, 217, 218, 218, 219, 220, 220, 221,
199 156, 157, 158, 159, 160, 160, 161, 162, 226221, 222, 222, 223, 224, 224, 225, 225, 226, 226, 227, 228, 228, 229, 229, 230,
200 163, 164, 164, 165, 166, 167, 167, 168, 227230, 231, 231, 232, 233, 233, 234, 234, 235, 235, 236, 236, 237, 237, 238, 238,
201 169, 170, 170, 171, 172, 173, 173, 174, 228239, 240, 240, 241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 247,
202 175, 176, 176, 177, 178, 179, 179, 180, 229247, 248, 248, 249, 249, 250, 250, 251, 251, 252, 252, 253, 253, 254, 254, 255
203 181, 181, 182, 183, 183, 184, 185, 186,
204 186, 187, 188, 188, 189, 190, 190, 191,
205 192, 192, 193, 194, 194, 195, 196, 196,
206 197, 198, 198, 199, 199, 200, 201, 201,
207 202, 203, 203, 204, 204, 205, 206, 206,
208 207, 208, 208, 209, 209, 210, 211, 211,
209 212, 212, 213, 214, 214, 215, 215, 216,
210 217, 217, 218, 218, 219, 220, 220, 221,
211 221, 222, 222, 223, 224, 224, 225, 225,
212 226, 226, 227, 228, 228, 229, 229, 230,
213 230, 231, 231, 232, 233, 233, 234, 234,
214 235, 235, 236, 236, 237, 237, 238, 238,
215 239, 240, 240, 241, 241, 242, 242, 243,
216 243, 244, 244, 245, 245, 246, 246, 247,
217 247, 248, 248, 249, 249, 250, 250, 251,
218 251, 252, 252, 253, 253, 254, 254, 255
219}; 230};
220#endif /* SIMULATOR */ 231#endif /* SIMULATOR */
221 232
@@ -224,12 +235,64 @@ static inline void _deferred_update(void) __attribute__ ((always_inline));
224static int exp_s16p16(int x); 235static int exp_s16p16(int x);
225static int log_s16p16(int x); 236static int log_s16p16(int x);
226static void grey_screendump_hook(int fd); 237static void grey_screendump_hook(int fd);
238static void fill_gvalues(void);
227#ifdef SIMULATOR 239#ifdef SIMULATOR
228static unsigned long _grey_get_pixel(int x, int y); 240static unsigned long _grey_get_pixel(int x, int y);
229#else 241#else
230static void _timer_isr(void); 242static void _timer_isr(void);
231#endif 243#endif
232 244
245#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
246static bool backlight_state;
247
248
249static void invert_gvalues(void)
250{
251 unsigned char *val, *end;
252 unsigned char rev_tab[256];
253 unsigned i;
254 unsigned last_i = 0;
255 unsigned x = 0;
256 unsigned last_x;
257
258 if (_grey_info.flags & GREY_BUFFERED)
259 {
260 fill_gvalues();
261 grey_update();
262 }
263 else /* Unbuffered - need crude reconstruction */
264 {
265 /* Step 1: Calculate a transposed table for undoing the old mapping */
266 for (i = 0; i < 256; i++)
267 {
268 last_x = x;
269 x = _grey_info.gvalue[i];
270 if (x > last_x)
271 {
272 rev_tab[last_x++] = (last_i + i) / 2;
273 while (x > last_x)
274 rev_tab[last_x++] = i;
275 last_i = i;
276 }
277 }
278 rev_tab[last_x++] = (last_i + 255) / 2;
279 while (256 > last_x)
280 rev_tab[last_x++] = 255;
281
282 /* Step 2: Calculate new mapping */
283 fill_gvalues();
284
285 /* Step 3: Transpose all pixel values */
286 val = _grey_info.values;
287 end = val + _GREY_MULUQ(_grey_info.width, _grey_info.height);
288
289 do
290 *val = _grey_info.gvalue[rev_tab[*val]];
291 while (++val < end);
292 }
293}
294#endif
295
233/* Update LCD areas not covered by the greyscale overlay */ 296/* Update LCD areas not covered by the greyscale overlay */
234static inline void _deferred_update(void) 297static inline void _deferred_update(void)
235{ 298{
@@ -275,6 +338,16 @@ static unsigned long _grey_get_pixel(int x, int y)
275/* Timer interrupt handler: display next frame */ 338/* Timer interrupt handler: display next frame */
276static void _timer_isr(void) 339static void _timer_isr(void)
277{ 340{
341#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
342 bool bls = _grey_info.rb->is_backlight_on(true);
343
344 if ((backlight_state != bls) && !(_grey_info.flags & GREY_RAWMAPPED))
345 {
346 backlight_state = bls;
347 invert_gvalues();
348 return; /* don't overload this timer slot */
349 }
350#endif
278#if LCD_PIXELFORMAT == HORIZONTAL_PACKING 351#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
279 _grey_info.rb->lcd_blit_grey_phase(_grey_info.values, _grey_info.phases, 352 _grey_info.rb->lcd_blit_grey_phase(_grey_info.values, _grey_info.phases,
280 _grey_info.bx, _grey_info.y, 353 _grey_info.bx, _grey_info.y,
@@ -343,6 +416,26 @@ static int log_s16p16(int x)
343 return y; 416 return y;
344} 417}
345 418
419static void fill_gvalues(void)
420{
421 int i;
422 unsigned data;
423
424#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
425 unsigned imask = backlight_state ? 0xff : 0;
426#else
427 const unsigned imask = 0;
428#endif
429 for (i = 0; i < 256; i++)
430 {
431 data = exp_s16p16((_GREY_GAMMA * log_s16p16(i * 257 + 1)) >> 8) + 128;
432 data = (data - (data >> 8)) >> 8; /* approx. data /= 257 */
433 data = ((lcdlinear[data ^ imask] ^ imask) << 7) + 127;
434 _grey_info.gvalue[i] = (data + (data >> 8)) >> 8;
435 /* approx. data / 255 */
436 }
437}
438
346/* Initialise the framework and prepare the greyscale display buffer 439/* Initialise the framework and prepare the greyscale display buffer
347 440
348 arguments: 441 arguments:
@@ -449,7 +542,7 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
449 _grey_info.by = 0; 542 _grey_info.by = 0;
450 _grey_info.bheight = bdim; 543 _grey_info.bheight = bdim;
451#endif 544#endif
452 _grey_info.flags = 0; 545 _grey_info.flags = features & 0xff;
453 _grey_info.fg_brightness = 0; 546 _grey_info.fg_brightness = 0;
454 _grey_info.bg_brightness = 255; 547 _grey_info.bg_brightness = 255;
455 _grey_info.drawmode = DRMODE_SOLID; 548 _grey_info.drawmode = DRMODE_SOLID;
@@ -458,21 +551,21 @@ bool grey_init(struct plugin_api* newrb, unsigned char *gbuf, long gbuf_size,
458 /* precalculate the value -> pattern index conversion table, taking 551 /* precalculate the value -> pattern index conversion table, taking
459 linearisation and gamma correction into account */ 552 linearisation and gamma correction into account */
460 if (features & GREY_RAWMAPPED) 553 if (features & GREY_RAWMAPPED)
554 {
461 for (i = 0; i < 256; i++) 555 for (i = 0; i < 256; i++)
462 { 556 {
463 data = i << 7; 557 data = i << 7;
464 _grey_info.gvalue[i] = (data + (data >> 8)) >> 8; 558 _grey_info.gvalue[i] = (data + (data >> 8)) >> 8;
465 } 559 }
560 }
466 else 561 else
467 for (i = 0; i < 256; i++) 562 {
468 { 563#if defined(HAVE_BACKLIGHT_INVERSION) && !defined(SIMULATOR)
469 data = exp_s16p16(((2<<8) * log_s16p16(i * 257 + 1)) >> 8) + 128; 564 backlight_state = _grey_info.rb->is_backlight_on(true);
470 data = (data - (data >> 8)) >> 8; /* approx. data /= 257 */ 565#endif
471 data = (lcdlinear[data] << 7) + 127; 566 fill_gvalues();
472 _grey_info.gvalue[i] = (data + (data >> 8)) >> 8; 567 }
473 /* approx. data / 255 */ 568
474 }
475
476 if (buf_taken) /* caller requested info about space taken */ 569 if (buf_taken) /* caller requested info about space taken */
477 *buf_taken = buftaken; 570 *buf_taken = buftaken;
478 571
@@ -509,29 +602,8 @@ void grey_show(bool enable)
509#ifdef NEED_BOOST 602#ifdef NEED_BOOST
510 _grey_info.rb->cpu_boost(true); 603 _grey_info.rb->cpu_boost(true);
511#endif 604#endif
512#if CONFIG_LCD == LCD_SSD1815 605 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / LCD_SCANRATE, 1,
513 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 67, 1, _timer_isr); 606 _timer_isr);
514#elif CONFIG_LCD == LCD_S1D15E06
515 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 70, 1, _timer_isr);
516#elif CONFIG_LCD == LCD_IPOD2BPP
517#ifdef IPOD_1G2G
518 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 96, 1, _timer_isr); /* verified */
519#elif defined IPOD_3G
520 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 87, 1, _timer_isr); /* verified */
521#else
522 /* FIXME: verify value */
523 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 80, 1, _timer_isr);
524#endif
525#elif CONFIG_LCD == LCD_IPODMINI
526 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 88, 1, _timer_isr);
527#elif CONFIG_LCD == LCD_IFP7XX
528 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr);
529#elif CONFIG_LCD == LCD_MROBE100
530 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 83, 1, _timer_isr); /* not calibrated/tested */
531#elif CONFIG_LCD == LCD_TL0350A
532 _grey_info.rb->timer_register(1, NULL, TIMER_FREQ / 75, 1, _timer_isr); /* verified */
533 /* This is half of the actual frame frequency, but 150Hz is too much */
534#endif /* CONFIG_LCD */
535#endif /* !SIMULATOR */ 607#endif /* !SIMULATOR */
536 _grey_info.rb->screen_dump_set_hook(grey_screendump_hook); 608 _grey_info.rb->screen_dump_set_hook(grey_screendump_hook);
537 } 609 }
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-28 13:23:38 +0000