蓝桥杯（嵌入式） 同时判断四个按键的三种状态-单击，双击，长按(非中断版本）

/* ---------------------------------------------------------------------- * Copyright (C) 2010-2012 ARM Limited. All rights reserved. * * $Date: 17. January 2013 * $Revision: V1.4.0 * * Project: CMSIS DSP Library * Title: arm_linear_interp_data.c * * Description: Data file used for example. Generation method described * below * * Target Processor: Cortex-M4/Cortex-M3/Cortex-M0 * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of ARM LIMITED nor the names of its contributors * may be used to endorse or promote products derived from this * software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * -------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- * Table generated from following MATLAB Command * x = -pi: 0.00005 : (2*pi - 0.00005); * y = sin(x); * where pi value is 3.141592653589793 * --------------------------------------------------------------------*/ float arm_linear_interep_table[188495] = { -0.000000000000000122, -0.000049999999979173, -0.000099999999833667, -0.000149999999437717, -0.000199999998666767, -0.000249999997395817, -0.000299999995500311, -0.000349999992854362, -0.000399999989333412, -0.000449999984812462, -0.000499999979166956, -0.000549999972271007, -0.000599999964000057, -0.000649999954229107, -0.000699999942833602, -0.000749999929687653, -0.000799999914666704, -0.000849999897645755, -0.000899999878500250, -0.000949999857104302, -0.000999999833333354, -0.001049999807062851, -0.001099999778166904, -0.001149999746520957, -0.001199999712000011, -0.001249999674479510, -0.001299999633833566, -0.001349999589937622, -0.001399999542666680, -0.001449999491896183, -0.001499999437500243, -0.001549999379354304, -0.001599999317333367, -0.001649999251312876, -0.001699999181166942, -0.001749999106771011, -0.001799999028000082, -0.001849998944729599, -0.001899998856833675, -0.001949998764187754, -0.001999998666666836, -0.002049998564146365, -0.002099998456500453, -0.002149998343604546, -0.002199998225334087, -0.002249998101563188, -0.002299997972167294, -0.002349997837021405, -0.002399997696000966, -0.002449997548980088, -0.002499997395834216, -0.002549997236438351, -0.002599997070667937, -0.002649996898397086, -0.002699996719501243, -0.002749996533855408, -0.002799996341335026, -0.002849996141814208, -0.002899995935168401, -0.002949995721272604, -0.002999995500002261, -0.003049995271231486, -0.003099995034835722, -0.003149994790690415, -0.003199994538669677, -0.003249994278648952, -0.003299994010503243, -0.003349993734107991, -0.003399993449337312, -0.003449993156066649, -0.003499992854171003, -0.003549992543525819, -0.003599992224005209, -0.003649991895484619, -0.003699991557839049, -0.003749991210943944, -0.003799990854673418, -0.003849990488902914, -0.003899990113507434, -0.003949989728362423, -0.003999989333341993, -0.004049988928321590, -0.004099988513176658, -0.004149988087781312, -0.004199987652010995, -0.004249987205740709, -0.004299986748845899, -0.004349986281200678, -0.004399985802680492, -0.004449985313160341, -0.004499984812515671, -0.004549984300620594, -0.004599983777350557, -0.004649983242580561, -0.004699982696186050, -0.004749982138041138, -0.004799981568021272, -0.004849980986001451, -0.004899980391857122, -0.004949979785462398, -0.004999979166692725, -0.005049978535423547, -0.005099977891528979, -0.005149977234884466, -0.005199976565365011, -0.005249975882846058, -0.005299975187201721, -0.005349974478307446, -0.005399973756038235, -0.005449973020269535, -0.005499972270875456, -0.005549971507731448, -0.005599970730712511, -0.005649969939694091, -0.005699969134550302, -0.005749968315156590, -0.005799967481387958, -0.005849966633119851, -0.005899965770226383, -0.005949964892583000, -0.005999964000064706, -0.006049963092546945, -0.006099962169903833, -0.006149961232010816, -0.006199960278743339, -0.006249959309975518, -0.006299958325582797, -0.006349957325440182, -0.006399956309423117, -0.006449955277405718, -0.006499954229263430, -0.006549953164871257, -0.006599952084104644, -0.006649950986837708, -0.006699949872945895, -0.006749948742304206, -0.006799947594788089, -0.006849946430271660, -0.006899945248630365, -0.006949944049739206, -0.006999942833473632, -0.007049941599707755, -0.007099940348317025, -0.007149939079176889, -0.007199937792161461, -0.007249936487146187, -0.007299935164006074, -0.007349933822616566, -0.007399932462851779, -0.007449931084587162, -0.007499929687697716, -0.007549928272058891, -0.007599926837544801, -0.007649925384030893, -0.007699923911392173, -0.007749922419504085, -0.007799920908240749, -0.007849919377477610, -0.007899917827089672, -0.007949916256952384, -0.007999914666939863, -0.008049913056927554, -0.008099911426790906, -0.008149909776404035, -0.008199908105642390, -0.008249906414380975, -0.008299904702495238, -0.008349902969859295, -0.008399901216348595, -0.008449899441838141, -0.008499897646203384, -0.008549895829318437, -0.008599893991058752, -0.008649892131299332, -0.008699890249915625, -0.008749888346781748, -0.008799886421773151, -0.008849884474764837, -0.008899882505632256, -0.008949880514249525, -0.008999878500492093, -0.009049876464234965, -0.009099874405353590, -0.009149872323722084, -0.009199870219215898, -0.009249868091710479, -0.009299865941079948, -0.009349863767199750, -0.009399861569944894, -0.009449859349190827, -0.009499857104811669, -0.009549854836682867, -0.009599852544679429, -0.009649850228676803, -0.009699847888549109, -0.009749845524171793, -0.009799843135419864, -0.009849840722168771, -0.009899838284292632, -0.009949835821666898, -0.009999833334166574, -0.010049830821667110, -0.010099828284042626, -0.010149825721168572, -0.010199823132920397, -0.010249820519172219, -0.010299817879799491, -0.010349815214677217, -0.010399812523680850, -0.010449809806684508, -0.010499807063563642, -0.010549804294193258, -0.010599801498448806, -0.010649798676204407, -0.010699795827335511, -0.010749792951717126, -0.010799790049224703, -0.010849787119732359, -0.010899784163115548, -0.010949781179249277, -0.010999778168008997, -0.011049775129268828, -0.011099772062904221, -0.011149768968790628, -0.011199765846802169, -0.011249762696814294, -0.011299759518702013, -0.011349756312340777, -0.011399753077604706, -0.011449749814369253, -0.011499746522509425, -0.011549743201900674, -0.011599739852417123, -0.011649736473934221, -0.011699733066326979, -0.011749729629470847, -0.011799726163239948, -0.011849722667509732, -0.011899719142155211, -0.011949715587051834, -0.011999712002073