[172] | 1 | /*
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| 2 | * TOPPERS ATK2
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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| 4 | * Automotive Kernel Version 2
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| 5 | *
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| 6 | * Copyright (C) 2012-2014 by Center for Embedded Computing Systems
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| 7 | * Graduate School of Information Science, Nagoya Univ., JAPAN
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| 8 | *
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| 9 | * ä¸è¨èä½æ¨©è
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| 10 | ã¯ï¼ä»¥ä¸ã®(1)ã(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 11 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 12 | * å¤ã»åé
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| 13 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 14 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 15 | * 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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| 16 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 17 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 18 | * ç¨ã§ããå½¢ã§åé
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| 19 | å¸ããå ´åã«ã¯ï¼åé
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| 20 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 21 | * è
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| 22 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 23 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 24 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 25 | * ç¨ã§ããªãå½¢ã§åé
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| 26 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 27 | * ã¨ï¼
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| 28 | * (a) åé
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| 29 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 30 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 31 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 32 | * (b) åé
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| 33 | å¸ã®å½¢æ
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| 34 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 35 | * å ±åãããã¨ï¼
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| 36 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 37 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 38 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 39 | 責ãããã¨ï¼
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| 40 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 41 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 42 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 43 | * å
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| 44 | 責ãããã¨ï¼
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| 45 | *
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| 46 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼AUTOSARï¼AUTomotive Open System ARchitectureï¼ä»
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| 47 | * æ§ã«åºã¥ãã¦ããï¼ä¸è¨ã®è¨±è«¾ã¯ï¼AUTOSARã®ç¥ç財ç£æ¨©ã許諾ãããã®ã§
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| 48 | * ã¯ãªãï¼AUTOSARã¯ï¼AUTOSARä»æ§ã«åºã¥ããã½ããã¦ã§ã¢ãåç¨ç®çã§å©
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| 49 | * ç¨ããè
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| 50 | ã«å¯¾ãã¦ï¼AUTOSARãã¼ããã¼ã«ãªããã¨ãæ±ãã¦ããï¼
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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: ostm.c 164 2015-06-03 01:22:29Z t_ishikawa $
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| 60 | */
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| 61 |
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| 62 | #include "kernel_impl.h"
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| 63 | #include "target_timer.h"
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| 64 | #include "ostm.h"
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| 65 | #include "Os_Lcfg.h"
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| 66 |
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| 67 | /*
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| 68 | * ç¾å¨ã®ã·ã¹ãã æå»ï¼åä½: ããªç§ï¼
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| 69 | *
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| 70 | * å³å¯ã«ã¯ï¼åã®ã¿ã¤ã ãã£ãã¯ã®ã·ã¹ãã æå»
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| 71 | */
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| 72 | SystemTimeMsType current_time;
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| 73 |
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| 74 | /*
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| 75 | * å
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| 76 | é¨é¢æ°ãããã¿ã¤ã宣è¨
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| 77 | */
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| 78 | ISR(target_timer_hdr);
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| 79 |
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| 80 | /*
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| 81 | * ãã¤ã¯ãç§åä½ã§ã®æå»ãåå¾
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| 82 | */
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| 83 | SystemTimeUsType
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| 84 | get_tim_utime(void)
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| 85 | {
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| 86 | SystemTimeUsType utime;
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| 87 | SystemTimeMsType mtime;
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| 88 | TickType clock1, clock2;
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| 89 | boolean ireq;
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| 90 | SIL_PRE_LOC;
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| 91 |
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| 92 | SIL_LOC_INT();
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| 93 | mtime = current_time;
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| 94 | clock1 = target_timer_get_current();
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| 95 | ireq = target_timer_probe_int();
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| 96 | clock2 = target_timer_get_current();
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| 97 | SIL_UNL_INT();
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| 98 | utime = ((SystemTimeUsType) mtime) * 1000U;
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| 99 |
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| 100 | if ((ireq != FALSE) && (clock2 >= clock1)) {
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| 101 | /*
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| 102 | * å²è¾¼ã¿ãå
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| 103 | ¥ã£ã¦ããï¼clock2ã®æ¹ãclock1ã®æ¹ã大ããã¾ãã¯çããå ´åã¯ï¼
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| 104 | * current_time ãå²è¾¼ã¿ã«ããæ´æ°ããã¦ããªããã¤ï¼clock1ã¯ãªã¼ãããã¼å¾
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| 105 | * ã®å¤ã§ããããï¼utimeã«1m追å ããï¼clock1ã®èªã¿è¾¼ã¿ï¼å²è¾¼ã¿ã®ãã§ãã¯ï¼
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| 106 | * clock2ã®èªã¿è¾¼ã¿ã1μs以ä¸ã§å®è¡å¯è½ãªããã»ããµãåå¨ããããï¼çå·ä»ã
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| 107 | * ã§æ¯è¼ãã¦ããï¼
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| 108 | */
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| 109 | utime += 1000U;
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| 110 | }
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| 111 | utime += TO_USEC(clock1);
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| 112 |
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| 113 | return(utime);
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| 114 | }
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| 115 |
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| 116 | /*
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| 117 | * OSTMã®åæå
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| 118 | */
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| 119 | void
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| 120 | target_timer_initialize(void)
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| 121 | {
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| 122 | /* åæ¢ */
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| 123 | sil_wrb_mem((void *) (OSTM_TT_B), 0x01);
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| 124 |
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| 125 | /* ã¤ã³ã¿ã¼ãã«ã»ã¿ã¤ãã»ã¢ã¼ã */
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| 126 | sil_wrb_mem((void *) (OSTM_CTL_B), 0x00);
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| 127 |
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| 128 | /* ã³ã³ãã¢ã¬ã¸ã¹ã¿ã®è¨å® */
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| 129 | sil_wrw_mem((void *) (OSTM_CMP_W), TIMER_CLOCK);
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| 130 |
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| 131 | /* ã¹ã¿ã¼ã */
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| 132 | sil_wrb_mem((void *) (OSTM_TS_B), 0x01);
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| 133 | }
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| 134 |
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| 135 | /*
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| 136 | * OSTMã®åæ¢
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| 137 | */
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| 138 | void
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| 139 | target_timer_terminate(void)
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| 140 | {
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| 141 | /* åæ¢ */
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| 142 | sil_wrb_mem((void *) (OSTM_TT_B), 0x01);
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| 143 |
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| 144 | /* å²è¾¼ã¿ã®ç¦æ¢ã¨ã¯ãªã¢ */
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| 145 | x_disable_int(OSTM_IRQ);
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| 146 | x_clear_int(OSTM_IRQ);
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| 147 | }
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| 148 |
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| 149 | /*
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| 150 | * target_timer.arxmlã使ç¨ããªãå ´åã®å¯¾å¦
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| 151 | */
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| 152 | #ifndef SysTimerCnt
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| 153 | #define SysTimerCnt UINT_C(0)
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| 154 | #endif /* SysTimerCnt */
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| 155 |
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| 156 | /*
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| 157 | * ã¿ã¤ãå²è¾¼ã¿ãã³ãã©
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| 158 | */
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| 159 | ISR(target_timer_hdr)
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| 160 | {
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| 161 | StatusType ercd;
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| 162 |
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| 163 | /* current_timeãæ´æ°ãã */
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| 164 | current_time++;
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| 165 |
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| 166 | /*
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| 167 | * ã«ã¦ã³ã¿å ç®éç¥å¦çå®è¡
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| 168 | */
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| 169 | ercd = IncrementCounter(SysTimerCnt);
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| 170 | /* ã¨ã©ã¼ãªã¿ã¼ã³ã®å ´åã¯ã·ã£ãããã¦ã³ */
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| 171 | if (ercd != E_OK) {
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| 172 | ShutdownOS(ercd);
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| 173 | }
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| 174 | }
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