/* * scx200_gpio_ledpulse.c * * Driver for pulsating LEDS on scx200_gpio mapped to onboard or external * light emitting diodes. * * Copyright (C) 2005 Shane Spencer * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #include #include #include #include #include #include #include #include #include MODULE_AUTHOR("Shane Spencer "); MODULE_DESCRIPTION("Modulates a sine wave patter acrossed detected/defined LED's on scx200_gpio pins, accepts speed adjustmends per LED"); MODULE_LICENSE("GPL"); MODULE_VERSION("0.0.1"); static void ledpulse_fire(unsigned long); static struct timer_list ledpulse_ticktock = TIMER_INITIALIZER(ledpulse_fire, 0, 0); static unsigned short int pattern[4096] = { 0, 25, 50, 75, 100, 125, 150, 175, 201, 226, 251, 276, 301, 326, 351, 376, 402, 427, 452, 477, 502, 527, 552, 578, 603, 628, 653, 678, 703, 728, 753, 779, 804, 829, 854, 879, 904, 929, 954, 980, 1005, 1030, 1055, 1080, 1105, 1130, 1156, 1181, 1206, 1231, 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54053, 54067, 54082, 54096, 54110, 54124, 54138, 54152, 54167, 54181, 54195, 54209, 54223, 54237, 54251, 54265, 54280, 54294, 54308, 54322, 54336, 54350, 54364, 54378, 54392, 54406, 54420, 54434, 54448, 54462, 54476, 54490, 54504, 54518, 54532, 54546, 54560, 54573, 54587, 54601, 54615, 54629, 54643, 54657, 54671, 54685, 54698, 54712, 54726, 54740, 54754, 54768, 54781, 54795, 54809, 54823, 54836, 54850, 54864, 54878, 54891, 54905, 54919, 54933, 54946, 54960, 54974, 54987, 55001, 55015, 55028, 55042, 55056, 55069, 55083, 55096, 55110, 55124, 55137, 55151, 55164, 55178, 55191, 55205, 55219, 55232, 55246, 55259, 55273, 55286, 55300, 55313, 55327, 55340, 55354, 55367, 55380, 55394, 55407, 55421, 55434, 55448, 55461, 55474, 55488, 55501, 55514, 55528, 55541, 55554, 55568, 55581, 55594, 55608, 55621, 55634, 55648, 55661, 55674, 55687, 55701, 55714, 55727, 55740, 55753, 55767, 55780, 55793, 55806, 55819, 55833, 55846, 55859, 55872, 55885, 55898, 55911, 55924, 55938, 55951, 55964, 55977, 55990, 56003, 56016, 56029, 56042, 56055, 56068, 56081, 56094, 56107, 56120, 56133, 56146, 56159, 56172, 56185, 56198, 56211, 56224, 56237, 56249, 56262, 56275, 56288, 56301, 56314, 56327, 56340, 56352, 56365, 56378, 56391, 56404, 56416, 56429, 56442, 56455, 56468, 56480, 56493, 56506, 56518, 56531, 56544, 56557, 56569, 56582, 56595, 56607, 56620, 56633, 56645, 56658, 56671, 56683, 56696, 56708, 56721, 56734, 56746, 56759, 56771, 56784, 56796, 56809, 56821, 56834, 56846, 56859, 56871, 56884, 56896, 56909, 56921, 56934, 56946, 56959, 56971, 56983, 56996, 57008, 57021, 57033, 57045, 57058, 57070, 57082, 57095, 57107, 57119, 57132, 57144, 57156, 57169, 57181, 57193, 57206, 57218, 57230, 57242, 57255, 57267, 57279, 57291, 57303, 57316, 57328, 57340, 57352, 57364, 57376, 57388, 57401, 57413, 57425, 57437, 57449, 57461, 57473, 57485, 57497, 57509, 57521, 57534, 57546, 57558, 57570, 57582, 57594, 57606, 57618, 57630, 57641, 57653, 57665, 57677, 57689, 57701, 57713, 57725, 57737, 57749, 57761, 57772, 57784, 57796, 57808, 57820, 57832, 57844, 57855, 57867, 57879, 57891, 57902, 57914, 57926, 57938, 57950, 57961, 57973, 57985, 57996, 58008, 58020, 58031, 58043, 58055, 58066, 58078, 58090, 58101, 58113, 58125, 58136, 58148, 58159, 58171, 58183, 58194, 58206, 58217, 58229, 58240, 58252, 58263, 58275, 58286, 58298, 58309, 58321, 58332, 58344, 58355, 58366, 58378, 58389, 58401, 58412, 58424, 58435, 58446, 58458, 58469, 58480, 58492, 58503, 58514, 58526, 58537, 58548, 58560, 58571, 58582, 58593, 58605, 58616, 58627, 58638, 58650, 58661, 58672, 58683, 58694, 58705, 58717, 58728, 58739, 58750, 58761, 58772, 58783, 58795, 58806, 58817, 58828, 58839, 58850, 58861, 58872, 58883, 58894, 58905, 58916, 58927, 58938, 58949, 58960, 58971, 58982, 58993, 59004, 59015, 59026, 59037, 59048, 59059, 59069, 59080, 59091, 59102, 59113, 59124, 59135, 59145, 59156, 59167, 59178, 59189, 59199, 59210, 59221, 59232, 59242, 59253, 59264, 59275, 59285, 59296, 59307, 59317, 59328, 59339, 59349, 59360, 59371, 59381, 59392, 59403, 59413, 59424, 59434, 59445, 59456, 59466, 59477, 59487, 59498, 59508, 59519, 59529, 59540, 59550, 59561, 59571, 59582, 59592, 59603, 59613, 59624, 59634, 59644, 59655, 59665, 59676, 59686, 59696, 59707, 59717, 59727, 59738, 59748, 59758, 59769, 59779, 59789, 59800, 59810, 59820, 59830, 59841, 59851, 59861, 59871, 59882, 59892, 59902, 59912, 59922, 59933, 59943, 59953, 59963, 59973, 59983, 59993, 60004, 60014, 60024, 60034, 60044, 60054, 60064, 60074, 60084, 60094, 60104, 60114, 60124, 60134, 60144, 60154, 60164, 60174, 60184, 60194, 60204, 60214, 60224, 60234, 60244, 60253, 60263, 60273, 60283, 60293, 60303, 60313, 60322, 60332, 60342, 60352, 60362, 60371, 60381, 60391, 60401, 60410, 60420, 60430, 60440, 60449, 60459, 60469, 60478, 60488, 60498, 60507, 60517, 60527, 60536, 60546, 60556, 60565, 60575, 60584, 60594, 60603, 60613, 60623, 60632, 60642, 60651, 60661, 60670, 60680, 60689, 60699, 60708, 60718, 60727, 60737, 60746, 60755, 60765, 60774, 60784, 60793, 60802, 60812, 60821, 60830, 60840, 60849, 60858, 60868, 60877, 60886, 60896, 60905, 60914, 60924, 60933, 60942, 60951, 60960, 60970, 60979, 60988, 60997, 61006, 61016, 61025, 61034, 61043, 61052, 61061, 61071, 61080, 61089, 61098, 61107, 61116, 61125, 61134, 61143, 61152, 61161, 61170, 61179, 61188, 61197, 61206, 61215, 61224, 61233, 61242, 61251, 61260, 61269, 61278, 61287, 61296, 61305, 61313, 61322, 61331, 61340, 61349, 61358, 61366, 61375, 61384, 61393, 61402, 61410, 61419, 61428, 61437, 61446, 61454, 61463, 61472, 61480, 61489, 61498, 61506, 61515, 61524, 61532, 61541, 61550, 61558, 61567, 61576, 61584, 61593, 61601, 61610, 61618, 61627, 61636, 61644, 61653, 61661, 61670, 61678, 61687, 61695, 61704, 61712, 61721, 61729, 61737, 61746, 61754, 61763, 61771, 61779, 61788, 61796, 61805, 61813, 61821, 61830, 61838, 61846, 61855, 61863, 61871, 61879, 61888, 61896, 61904, 61912, 61921, 61929, 61937, 61945, 61954, 61962, 61970, 61978, 61986, 61994, 62003, 62011, 62019, 62027, 62035, 62043, 62051, 62059, 62067, 62075, 62083, 62091, 62100, 62108, 62116, 62124, 62132, 62140, 62148, 62156, 62163, 62171, 62179, 62187, 62195, 62203, 62211, 62219, 62227, 62235, 62243, 62250, 62258, 62266, 62274, 62282, 62290, 62297, 62305, 62313, 62321, 62329, 62336, 62344, 62352, 62360, 62367, 62375, 62383, 62390, 62398, 62406, 62413, 62421, 62429, 62436, 62444, 62452, 62459, 62467, 62474, 62482, 62490, 62497, 62505, 62512, 62520, 62527, 62535, 62542, 62550, 62557, 62565, 62572, 62580, 62587, 62595, 62602, 62610, 62617, 62624, 62632, 62639, 62647, 62654, 62661, 62669, 62676, 62683, 62691, 62698, 62705, 62713, 62720, 62727, 62734, 62742, 62749, 62756, 62763, 62771, 62778, 62785, 62792, 62799, 62807, 62814, 62821, 62828, 62835, 62842, 62850, 62857, 62864, 62871, 62878, 62885, 62892, 62899, 62906, 62913, 62920, 62927, 62934, 62941, 62948, 62955, 62962, 62969, 62976, 62983, 62990, 62997, 63004, 63011, 63018, 63025, 63032, 63038, 63045, 63052, 63059, 63066, 63073, 63079, 63086, 63093, 63100, 63107, 63113, 63120, 63127, 63134, 63140, 63147, 63154, 63161, 63167, 63174, 63181, 63187, 63194, 63201, 63207, 63214, 63221, 63227, 63234, 63240, 63247, 63253, 63260, 63267, 63273, 63280, 63286, 63293, 63299, 63306, 63312, 63319, 63325, 63332, 63338, 63345, 63351, 63357, 63364, 63370, 63377, 63383, 63389, 63396, 63402, 63409, 63415, 63421, 63428, 63434, 63440, 63446, 63453, 63459, 63465, 63472, 63478, 63484, 63490, 63497, 63503, 63509, 63515, 63521, 63528, 63534, 63540, 63546, 63552, 63558, 63564, 63570, 63577, 63583, 63589, 63595, 63601, 63607, 63613, 63619, 63625, 63631, 63637, 63643, 63649, 63655, 63661, 63667, 63673, 63679, 63685, 63691, 63697, 63703, 63708, 63714, 63720, 63726, 63732, 63738, 63744, 63749, 63755, 63761, 63767, 63773, 63778, 63784, 63790, 63796, 63802, 63807, 63813, 63819, 63824, 63830, 63836, 63841, 63847, 63853, 63858, 63864, 63870, 63875, 63881, 63887, 63892, 63898, 63903, 63909, 63914, 63920, 63926, 63931, 63937, 63942, 63948, 63953, 63959, 63964, 63970, 63975, 63980, 63986, 63991, 63997, 64002, 64008, 64013, 64018, 64024, 64029, 64034, 64040, 64045, 64050, 64056, 64061, 64066, 64072, 64077, 64082, 64087, 64093, 64098, 64103, 64108, 64114, 64119, 64124, 64129, 64134, 64139, 64145, 64150, 64155, 64160, 64165, 64170, 64175, 64180, 64185, 64191, 64196, 64201, 64206, 64211, 64216, 64221, 64226, 64231, 64236, 64241, 64246, 64251, 64256, 64261, 64265, 64270, 64275, 64280, 64285, 64290, 64295, 64300, 64305, 64309, 64314, 64319, 64324, 64329, 64333, 64338, 64343, 64348, 64353, 64357, 64362, 64367, 64371, 64376, 64381, 64386, 64390, 64395, 64400, 64404, 64409, 64413, 64418, 64423, 64427, 64432, 64436, 64441, 64446, 64450, 64455, 64459, 64464, 64468, 64473, 64477, 64482, 64486, 64491, 64495, 64500, 64504, 64509, 64513, 64517, 64522, 64526, 64531, 64535, 64539, 64544, 64548, 64552, 64557, 64561, 64565, 64570, 64574, 64578, 64583, 64587, 64591, 64595, 64600, 64604, 64608, 64612, 64616, 64621, 64625, 64629, 64633, 64637, 64641, 64645, 64650, 64654, 64658, 64662, 64666, 64670, 64674, 64678, 64682, 64686, 64690, 64694, 64698, 64702, 64706, 64710, 64714, 64718, 64722, 64726, 64730, 64734, 64738, 64742, 64746, 64750, 64753, 64757, 64761, 64765, 64769, 64773, 64776, 64780, 64784, 64788, 64792, 64795, 64799, 64803, 64807, 64810, 64814, 64818, 64821, 64825, 64829, 64833, 64836, 64840, 64844, 64847, 64851, 64854, 64858, 64862, 64865, 64869, 64872, 64876, 64879, 64883, 64886, 64890, 64894, 64897, 64901, 64904, 64907, 64911, 64914, 64918, 64921, 64925, 64928, 64932, 64935, 64938, 64942, 64945, 64948, 64952, 64955, 64958, 64962, 64965, 64968, 64972, 64975, 64978, 64981, 64985, 64988, 64991, 64994, 64998, 65001, 65004, 65007, 65010, 65014, 65017, 65020, 65023, 65026, 65029, 65032, 65035, 65039, 65042, 65045, 65048, 65051, 65054, 65057, 65060, 65063, 65066, 65069, 65072, 65075, 65078, 65081, 65084, 65087, 65090, 65093, 65095, 65098, 65101, 65104, 65107, 65110, 65113, 65116, 65118, 65121, 65124, 65127, 65130, 65132, 65135, 65138, 65141, 65143, 65146, 65149, 65152, 65154, 65157, 65160, 65162, 65165, 65168, 65170, 65173, 65176, 65178, 65181, 65184, 65186, 65189, 65191, 65194, 65196, 65199, 65201, 65204, 65206, 65209, 65211, 65214, 65216, 65219, 65221, 65224, 65226, 65229, 65231, 65234, 65236, 65238, 65241, 65243, 65245, 65248, 65250, 65252, 65255, 65257, 65259, 65262, 65264, 65266, 65269, 65271, 65273, 65275, 65278, 65280, 65282, 65284, 65286, 65289, 65291, 65293, 65295, 65297, 65299, 65301, 65304, 65306, 65308, 65310, 65312, 65314, 65316, 65318, 65320, 65322, 65324, 65326, 65328, 65330, 65332, 65334, 65336, 65338, 65340, 65342, 65344, 65346, 65348, 65349, 65351, 65353, 65355, 65357, 65359, 65361, 65362, 65364, 65366, 65368, 65370, 65371, 65373, 65375, 65377, 65378, 65380, 65382, 65384, 65385, 65387, 65389, 65390, 65392, 65394, 65395, 65397, 65399, 65400, 65402, 65403, 65405, 65407, 65408, 65410, 65411, 65413, 65414, 65416, 65417, 65419, 65420, 65422, 65423, 65425, 65426, 65428, 65429, 65430, 65432, 65433, 65435, 65436, 65437, 65439, 65440, 65441, 65443, 65444, 65445, 65447, 65448, 65449, 65451, 65452, 65453, 65454, 65456, 65457, 65458, 65459, 65460, 65462, 65463, 65464, 65465, 65466, 65467, 65469, 65470, 65471, 65472, 65473, 65474, 65475, 65476, 65477, 65478, 65479, 65480, 65481, 65482, 65483, 65484, 65485, 65486, 65487, 65488, 65489, 65490, 65491, 65492, 65493, 65494, 65495, 65495, 65496, 65497, 65498, 65499, 65500, 65500, 65501, 65502, 65503, 65504, 65504, 65505, 65506, 65507, 65507, 65508, 65509, 65510, 65510, 65511, 65512, 65512, 65513, 65514, 65514, 65515, 65515, 65516, 65517, 65517, 65518, 65518, 65519, 65519, 65520, 65520, 65521, 65521, 65522, 65522, 65523, 65523, 65524, 65524, 65525, 65525, 65526, 65526, 65526, 65527, 65527, 65528, 65528, 65528, 65529, 65529, 65529, 65530, 65530, 65530, 65530, 65531, 65531, 65531, 65531, 65532, 65532, 65532, 65532, 65533, 65533, 65533, 65533, 65533, 65533, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534, 65534 }; static unsigned int pattern_mask = (sizeof(pattern)/2) - 1; typedef struct { long ds_integrator1; long ds_integrator2; unsigned char ds_output; unsigned char intensity; unsigned char active; unsigned char gpio_pin; unsigned char state; unsigned char original_state; unsigned short int position; } led_t; static led_t led[32]; static void ledpulse_fire(unsigned long data) { unsigned int i; for(i=0;i<32;i++) { if(led[i].active) { led[i].position = led[i].position + led[i].intensity; led[i].position = led[i].position % pattern_mask; printk("Ledpulse: LED %d PATTERNMASK %d POSITION %d\n", i, pattern_mask, led[i].position); } } //scx200_gpio_set(3, flipflop); mod_timer(&ledpulse_ticktock, jiffies + (HZ/50)); printk("Ledpulse: Cycled.\n"); } static int __init ledpulse_init(void) { printk("Ledpulse: Started scx200 gpio LED pulsation.\n"); printk("Ledpulse: Array Test %d\n", sizeof(led)); led[0].active = 1; led[0].intensity = 111; mod_timer(&ledpulse_ticktock, jiffies + (HZ)); return 0; } static void __exit ledpulse_exit(void) { del_timer_sync(&ledpulse_ticktock); printk("Ledpulse: Stopped scx200 gpio LED pulsation, LED state restored.\n"); } module_init(ledpulse_init); module_exit(ledpulse_exit);