[313] | 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 | * ä¸è¨èä½æ¨©è
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| 16 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 17 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 18 | * å¤ã»åé
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| 19 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 20 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 21 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 22 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 23 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 24 | * ç¨ã§ããå½¢ã§åé
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| 25 | å¸ããå ´åã«ã¯ï¼åé
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| 26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 27 | * è
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| 28 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 29 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 30 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 31 | * ç¨ã§ããªãå½¢ã§åé
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| 32 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 33 | * ã¨ï¼
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| 34 | * (a) åé
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| 35 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 36 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 37 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 38 | * (b) åé
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| 39 | å¸ã®å½¢æ
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| 40 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 41 | * å ±åãããã¨ï¼
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| 42 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 43 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 44 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 45 | 責ãããã¨ï¼
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| 46 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 47 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 48 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 49 | * å
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| 50 | 責ãããã¨ï¼
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| 51 | *
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| 52 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 53 | ã
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| 54 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 55 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 56 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 57 | * ã®è²¬ä»»ãè² ããªãï¼
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| 58 | *
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| 59 | * @(#) $Id: target_timer.h 313 2017-07-23 04:50:32Z coas-nagasima $
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| 60 | */
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| 61 |
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| 62 | /*
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| 63 | * ã¿ã¤ããã©ã¤ãï¼GR-SAKURAç¨ï¼
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| 64 | */
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| 65 |
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| 66 | #ifndef TOPPERS_TARGET_TIMER_H
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| 67 | #define TOPPERS_TARGET_TIMER_H
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| 68 |
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| 69 | #include <sil.h>
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| 70 | #include "gr_sakura.h"
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| 71 | #include "target_syssvc.h"
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| 72 |
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| 73 | /*
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| 74 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©ç»é²ã®ããã®å®æ°
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| 75 | */
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| 76 | #define INHNO_TIMER INT_CMT0_CMI /* å²è¾¼ã¿ãã³ãã©çªå· */
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| 77 | #define INTNO_TIMER INT_CMT0_CMI /* å²è¾¼ã¿çªå· */
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| 78 | #define INTPRI_TIMER -5 /* å²è¾¼ã¿åªå
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| 79 | 度 */
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| 80 | #define INTATR_TIMER (TA_ENAINT | TA_EDGE) /* å²è¾¼ã¿å±æ§ */
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| 81 |
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| 82 | #ifndef TOPPERS_MACRO_ONLY
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| 83 |
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| 84 | /*
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| 85 | * ã¿ã¤ãå¤ã®å
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| 86 | é¨è¡¨ç¾ã®å
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| 87 | */
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| 88 | typedef uint16_t CLOCK;
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| 89 |
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| 90 | /*
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| 91 | * ã¿ã¤ãå¤ã®å
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| 92 | é¨è¡¨ç¾ã¨ããªç§åä½ã¨ã®å¤æ
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| 93 | *
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| 94 | * 1msã®ã¿ã¤ãã¼å²ãè¾¼ã¿ã使ç¨ããã®ã§ãã®ã¯ããã¯ãå®ç¾©ããï¼
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| 95 | */
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| 96 | #define TIMER_CLOCK (FREQ_PCLK / 8U) /* PCLK/æä½åå¨æ¯8 = 6MHz */
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| 97 | #define TO_CLOCK(nume, deno) ((CLOCK)(TIMER_CLOCK * (nume) / (deno)))
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| 98 | #define TO_USEC(clock) ((SYSUTM)((clock) * 1000U / TIMER_CLOCK))
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| 99 |
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| 100 | /*
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| 101 | * è¨å®ã§ããæ大ã®ã¿ã¤ãå¨æï¼åä½ã¯å
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| 102 | é¨è¡¨ç¾ï¼
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| 103 | */
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| 104 | #define MAX_CLOCK ((CLOCK) 0xFFFFU)
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| 105 |
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| 106 | /*
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| 107 | * æ§è½è©ä¾¡ç¨ã·ã¹ãã æå»ãåãåºãéã®å¦çæéã®è¦ç©ãå¤ï¼åä½ã¯å
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| 108 | é¨è¡¨ç¾ï¼
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| 109 | */
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| 110 | #define GET_TOLERANCE (100U) /* å¦çé
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| 111 | ãã®è¦ç©ãå¤ï¼åä½ã¯å
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| 112 | é¨è¡¨ç¾ï¼*/
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| 113 | #define BEFORE_IREQ(clock) \
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| 114 | ((clock) >= (TO_CLOCK(TIC_NUME, TIC_DENO) - GET_TOLERANCE))
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| 115 |
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| 116 | /*
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| 117 | * ã³ã³ãã¢ãããã¿ã¤ãã³ã³ããã¼ã«ã¬ã¸ã¹ã¿ã®è¨å®å¤
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| 118 | */
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| 119 | /*
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| 120 | * ã¯ããã¯é¸æããã
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| 121 | *
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| 122 | * bit7ã¯äºç´é åã§ãã, æ¸è¾¼ã¿ã¯1åºå®
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| 123 | */
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| 124 | #define CMT_PCLK_DIV_8 (0x0080U)
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| 125 | #define CMT_PCLK_DIV_32 (0x0081U)
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| 126 | #define CMT_PCLK_DIV_128 (0x0082U)
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| 127 | #define CMT_PCLK_DIV_512 (0x0083U)
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| 128 |
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| 129 | /*
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| 130 | * ã³ã³ãã¢ãããã¿ã¤ãã³ã³ã¹ã¿ã³ãã¬ã¸ã¹ã¿ï¼CMCORï¼
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| 131 | *
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| 132 | * ã³ã³ãã¢ãããå¨æã1msã¨ããï¼
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| 133 | * å¨è¾ºã¢ã¸ã¥ã¼ã«ã¯ããã¯ï¼PCLKï¼48MHzã8åå¨ããã®ã§ï¼
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| 134 | * 1å¨æããã166.7nsecã¨ãªãï¼6000å¨æã§1msï¼ã¿ã¤ã ãã£ãã¯ã®å¨æï¼ã¨ããï¼
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| 135 | */
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| 136 | #define CMCOR_PERIOD (TIMER_CLOCK)
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| 137 |
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| 138 | /*
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| 139 | * ã³ã³ãã¢ãããã¿ã¤ãå²ãè¾¼ã¿è¦æ±å
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| 140 | è¨å®ã¬ã¸ã¹ã¿iï¼ISELRiï¼ï¼i= å²ãè¾¼ã¿ãã¯ã¿çªå·ï¼
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| 141 | */
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| 142 | #define ICU_ISEL_CPU (0x00U)
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| 143 |
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| 144 |
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| 145 |
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| 146 |
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| 147 | /*
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| 148 | * ã¿ã¤ãã®èµ·åå¦ç
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| 149 | *
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| 150 | * ã¿ã¤ããåæåãï¼å¨æçãªã¿ã¤ãå²è¾¼ã¿è¦æ±ãçºçãããï¼
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| 151 | */
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| 152 | extern void target_timer_initialize(intptr_t exinf);
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| 153 |
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| 154 | /*
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| 155 | * ã¿ã¤ãã®åæ¢å¦ç
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| 156 | *
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| 157 | * ã¿ã¤ãã®åä½ãåæ¢ãããï¼
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| 158 | */
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| 159 | extern void target_timer_terminate(intptr_t exinf);
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| 160 |
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| 161 | /*
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| 162 | * ã¿ã¤ãã¬ã¸ã¹ã¿å¤ã®èªã¿åºã
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| 163 | */
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| 164 | Inline uint16_t rx630_cmt_getcount(void)
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| 165 | {
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| 166 | return sil_reh_mem((uint16_t *)CMT0_CMCNT_ADDR);
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| 167 | }
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| 168 |
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| 169 | /*
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| 170 | * ã¿ã¤ãã¬ã¸ã¹ã¿å¤ã®æ¸ãè¾¼ã¿
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| 171 | */
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| 172 | Inline void rx630_cmt_setcount(uint16_t count)
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| 173 | {
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| 174 | sil_wrh_mem(CMT0_CMCNT_ADDR, count);
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| 175 | }
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| 176 |
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| 177 | /*
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| 178 | * ã¿ã¤ãã®ç¾å¨å¤ã®èªåºã
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| 179 | */
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| 180 | Inline CLOCK
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| 181 | target_timer_get_current(void)
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| 182 | {
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| 183 | /* ã¢ããã«ã¦ã³ãã®ããã¿ã¤ãã¬ã¸ã¹ã¿å¤ããã®ã¾ã¾è¿ã */
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| 184 | return (rx630_cmt_getcount());
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| 185 | }
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| 186 |
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| 187 | /*
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| 188 | * ã¿ã¤ãå²è¾¼ã¿è¦æ±ã®ãã§ãã¯
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| 189 | */
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| 190 | Inline bool_t
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| 191 | target_timer_probe_int(void)
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| 192 | {
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| 193 | return(x_probe_int(INTNO_TIMER));
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| 194 | }
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| 195 |
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| 196 | /*
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| 197 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©
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| 198 | */
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| 199 | extern void target_timer_handler(void);
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| 200 |
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| 201 | #endif /* TOPPERS_MACRO_ONLY */
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| 202 | #endif /* TOPPERS_TARGET_TIMER_H */
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