[164] | 1 | /*
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| 2 | * TOPPERS/ASP Kernel
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems/
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| 4 | * Advanced Standard Profile Kernel
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| 5 | *
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| 6 | * Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 7 | * Toyohashi Univ. of Technology, JAPAN
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| 8 | * Copyright (C) 2003-2004 by Naoki Saito
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| 9 | * Nagoya Municipal Industrial Research Institute, JAPAN
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| 10 | * Copyright (C) 2003-2004 by Platform Development Center
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| 11 | * RICOH COMPANY,LTD. JAPAN
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| 12 | * Copyright (C) 2008-2010 by Witz Corporation, JAPAN
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| 13 | * Copyright (C) 2013 by Mitsuhiro Matsuura
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| 14 | *
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| 15 | * ãLì ÒÍCȺÌ(1)`(4)Ìðð½·êÉÀèC{\tgEF
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| 16 | * Ai{\tgEFAðüϵ½àÌðÜÞDȺ¯¶jðgpE¡»Eü
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| 17 | * ÏEÄzziȺCpÆÄÔj·é±Æð³Åø·éD
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| 18 | * (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
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| 19 | * \¦C±Ìpð¨æѺL̳ÛØKèªC»ÌÜÜÌ`Å\[
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| 20 | * XR[hÉÜÜêÄ¢é±ÆD
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| 21 | * (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
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| 22 | * pÅ«é`ÅÄzz·éêÉÍCÄzzɺ¤hL
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| 23 | gip
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| 24 | * Ò}j
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| 25 | AÈÇjÉCãLÌì \¦C±Ìpð¨æѺL
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| 26 | * ̳ÛØKèðfÚ·é±ÆD
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| 27 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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| 28 | * pÅ«È¢`ÅÄzz·éêÉÍCÌ¢¸ê©Ìðð½·±
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| 29 | * ÆD
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| 30 | * (a) Äzzɺ¤hL
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| 31 | gipÒ}j
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| 32 | AÈÇjÉCãLÌ
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| 33 | * ì \¦C±Ìpð¨æѺL̳ÛØKèðfÚ·é±ÆD
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| 34 | * (b) ÄzzÌ`ÔðCÊÉèßéû@ÉæÁÄCTOPPERSvWFNgÉ
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| 35 | * ñ·é±ÆD
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| 36 | * (4) {\tgEFAÌpÉæè¼ÚIܽÍÔÚIɶ¶é¢©Èé¹
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| 37 | * Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
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| 38 | * ܽC{\tgEFAÌ[UܽÍGh[U©çÌ¢©Èé
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| 39 | * RÉîÿ©çàCãLì Ò¨æÑTOPPERSvWFNgð
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| 40 | * ÆÓ·é±ÆD
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| 41 | *
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| 42 | * {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
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| 43 | * æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄCÁèÌgpÚI
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| 44 | * ÉηéK«àÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEF
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| 45 | * AÌpÉæè¼ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»
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| 46 | * ÌÓCðíÈ¢D
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| 47 | *
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| 48 | * @(#) $Id: target_timer.h 164 2016-03-07 11:33:50Z coas-nagasima $
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| 49 | */
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| 50 |
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| 51 | /*
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| 52 | * ^C}hCoiGR-SAKURApj
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| 53 | */
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| 54 |
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| 55 | #ifndef TOPPERS_TARGET_TIMER_H
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| 56 | #define TOPPERS_TARGET_TIMER_H
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| 57 |
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| 58 | #include <sil.h>
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| 59 | #include "grsakura.h"
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| 60 | #include "target_syssvc.h"
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| 61 |
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| 62 | /*
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| 63 | * ^C}Ýnho^̽ßÌè
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| 64 | */
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| 65 | #define INHNO_TIMER INT_CMT0_CMI /* ÝnhÔ */
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| 66 | #define INTNO_TIMER INT_CMT0_CMI /* ÝÔ */
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| 67 | #define INTPRI_TIMER -5 /* ÝDæx */
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| 68 | #define INTATR_TIMER (TA_ENAINT | TA_EDGE) /* Ý®« */
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| 69 |
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| 70 | #ifndef TOPPERS_MACRO_ONLY
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| 71 |
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| 72 | /*
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| 73 | * ^C}lÌà\»Ì^
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| 74 | */
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| 75 | typedef uint16_t CLOCK;
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| 76 |
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| 77 | /*
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| 78 | * ^C}lÌà\»Æ~bPÊÆÌÏ·
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| 79 | *
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| 80 | * 1msÌ^C}[èÝðgp·éÌÅ»ÌNbNðè`·éD
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| 81 | */
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| 82 | #define TIMER_CLOCK (FREQ_PCLK / 8U) /* PCLK/Åáªüä8 = 6MHz */
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| 83 | #define TO_CLOCK(nume, deno) ((CLOCK)(TIMER_CLOCK * (nume) / (deno)))
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| 84 | #define TO_USEC(clock) ((SYSUTM)((clock) * 1000U / TIMER_CLOCK))
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| 85 |
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| 86 | /*
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| 87 | * ÝèÅ«éÅåÌ^C}üúiPÊÍà\»j
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| 88 | */
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| 89 | #define MAX_CLOCK ((CLOCK) 0xFFFFU)
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| 90 |
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| 91 | /*
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| 92 | * «\]¿pVXeðæèo·ÛÌÔÌ©ÏèliPÊÍà\»j
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| 93 | */
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| 94 | #define GET_TOLERANCE (100U) /* xêÌ©ÏèliPÊÍà\»j*/
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| 95 | #define BEFORE_IREQ(clock) \
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| 96 | ((clock) >= (TO_CLOCK(TIC_NUME, TIC_DENO) - GET_TOLERANCE))
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| 97 |
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| 98 | /*
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| 99 | * RyA}b`^C}Rg[WX^ÌÝèl
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| 100 | */
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| 101 | /*
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| 102 | * NbNIðrbg
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| 103 | *
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| 104 | * bit7Í\ñÌæÅ è, ÝÍ1Åè
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| 105 | */
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| 106 | #define CMT_PCLK_DIV_8 (0x0080U)
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| 107 | #define CMT_PCLK_DIV_32 (0x0081U)
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| 108 | #define CMT_PCLK_DIV_128 (0x0082U)
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| 109 | #define CMT_PCLK_DIV_512 (0x0083U)
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| 110 |
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| 111 | /*
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| 112 | * RyA}b`^C}RX^gWX^iCMCORj
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| 113 | *
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| 114 | * RyA}b`üúð1msÆ·éD
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| 115 | * üÓW
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| 116 | [NbNiPCLKj48MHzð8ªü·éÌÅC
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| 117 | * 1üú ½è166.7nsecÆÈèC6000üúÅ1msi^CeBbNÌüújÆ·éD
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| 118 | */
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| 119 | #define CMCOR_PERIOD (TIMER_CLOCK)
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| 120 |
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| 121 | /*
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| 122 | * RyA}b`^C}èÝvæÝèWX^iiISELRijii= èÝxN^Ôj
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| 123 | */
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| 124 | #define ICU_ISEL_CPU (0x00U)
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| 125 |
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| 126 |
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| 127 |
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| 128 |
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| 129 | /*
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| 130 | * ^C}ÌN®
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| 131 | *
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| 132 | * ^C}ðú»µCüúIÈ^C}Ýv𶳹éD
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| 133 | */
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| 134 | extern void target_timer_initialize(intptr_t exinf);
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| 135 |
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| 136 | /*
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| 137 | * ^C}Ìâ~
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| 138 | *
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| 139 | * ^C}Ì®ìðâ~³¹éD
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| 140 | */
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| 141 | extern void target_timer_terminate(intptr_t exinf);
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| 142 |
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| 143 | /*
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| 144 | * ^C}WX^lÌÇÝoµ
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| 145 | */
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| 146 | Inline uint16_t rx630_cmt_getcount(void)
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| 147 | {
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| 148 | return sil_reh_mem((uint16_t *)CMT0_CMCNT_ADDR);
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| 149 | }
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| 150 |
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| 151 | /*
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| 152 | * ^C}WX^lÌ«Ý
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| 153 | */
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| 154 | Inline void rx630_cmt_setcount(uint16_t count)
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| 155 | {
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| 156 | sil_wrh_mem((uint16_t *)CMT0_CMCNT_ADDR, count);
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| 157 | }
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| 158 |
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| 159 | /*
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| 160 | * ^C}Ì»ÝlÌÇoµ
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| 161 | */
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| 162 | Inline CLOCK
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| 163 | target_timer_get_current(void)
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| 164 | {
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| 165 | /* AbvJEg̽ß^C}WX^lð»ÌÜÜÔ· */
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| 166 | return (rx630_cmt_getcount());
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| 167 | }
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| 168 |
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| 169 | /*
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| 170 | * ^C}ÝvÌ`FbN
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| 171 | */
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| 172 | Inline bool_t
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| 173 | target_timer_probe_int(void)
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| 174 | {
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| 175 | return(x_probe_int(INTNO_TIMER));
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| 176 | }
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| 177 |
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| 178 | /*
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| 179 | * ^C}Ýnh
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| 180 | */
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| 181 | extern void target_timer_handler(void);
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| 182 |
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| 183 | #endif /* TOPPERS_MACRO_ONLY */
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| 184 | #endif /* TOPPERS_TARGET_TIMER_H */
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