[113] | 1 | /*
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| 2 | * TOPPERS Software
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| 3 | * Toyohashi Open Platform for Embedded Real-Time Systems
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| 4 | * Software
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| 5 | *
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| 6 | * Copyright (C) 2015 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 | * ãLì ÒÍCȺÌ(1)`(4)Ìðð½·êÉÀèC{\tgEF
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| 10 | * Ai{\tgEFAðüϵ½àÌðÜÞDȺ¯¶jðgpE¡»Eü
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| 11 | * ÏEÄzziȺCpÆÄÔj·é±Æð³Åø·éD
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| 12 | * (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
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| 13 | * \¦C±Ìpð¨æѺL̳ÛØKèªC»ÌÜÜÌ`Å\[
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| 14 | * XR[hÉÜÜêÄ¢é±ÆD
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| 15 | * (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
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| 16 | * pÅ«é`ÅÄzz·éêÉÍCÄzzɺ¤hL
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| 17 | gip
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| 18 | * Ò}j
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| 19 | AÈÇjÉCãLÌì \¦C±Ìpð¨æѺL
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| 20 | * ̳ÛØKèðfÚ·é±ÆD
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| 21 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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| 22 | * pÅ«È¢`ÅÄzz·éêÉÍCÌ¢¸ê©Ìðð½·±
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| 23 | * ÆD
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| 24 | * (a) Äzzɺ¤hL
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| 25 | gipÒ}j
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| 26 | AÈÇjÉCãLÌ
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| 27 | * ì \¦C±Ìpð¨æѺL̳ÛØKèðfÚ·é±ÆD
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| 28 | * (b) ÄzzÌ`ÔðCÊÉèßéû@ÉæÁÄCTOPPERSvWFNgÉ
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| 29 | * ñ·é±ÆD
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| 30 | * (4) {\tgEFAÌpÉæè¼ÚIܽÍÔÚIɶ¶é¢©Èé¹
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| 31 | * Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
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| 32 | * ܽC{\tgEFAÌ[UܽÍGh[U©çÌ¢©Èé
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| 33 | * RÉîÿ©çàCãLì Ò¨æÑTOPPERSvWFNgð
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| 34 | * ÆÓ·é±ÆD
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| 35 | *
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| 36 | * {\tgEFAÍCAUTOSARiAUTomotive Open System ARchitecturejd
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| 37 | * lÉîâĢéDãLÌøÍCAUTOSARÌmIàY ðø·éàÌÅ
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| 38 | * ÍÈ¢DAUTOSARÍCAUTOSARdlÉîâ½\tgEFAð¤pÚIÅ
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| 39 | * p·éÒÉεÄCAUTOSARp[gi[ÉÈé±ÆðßÄ¢éD
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| 40 | *
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| 41 | * {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
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| 42 | * æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄCÁèÌgpÚI
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[122] | 43 | * ÉηéK«àÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEF
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[113] | 44 | * AÌpÉæè¼ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»
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| 45 | * ÌÓCðíÈ¢D
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| 46 | *
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| 47 | * $Id: rlin3x.c 122 2015-07-17 01:31:28Z ertl-honda $
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| 48 | */
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| 49 | /*
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| 50 | * ÊMW
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| 51 | [pUART(RLIN)hCo
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| 52 | */
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| 53 | #include "Os.h"
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| 54 | #include "t_stdlib.h"
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| 55 | #include "target_sysmod.h"
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| 56 | #include "rlin3x.h"
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| 57 |
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| 58 | #undef RLIN3x_BASE
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| 59 | #define RLIN3x_BASE RLIN32_BASE
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| 60 |
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| 61 | #define RLIN3xLWBR_B 0x00000001
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| 62 | #define RLIN3xLBRP01_H 0x00000002
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| 63 | #define RLIN3xLBRP0_B 0x00000002
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| 64 | #define RLIN3xLBRP1_B 0x00000003
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| 65 | #define RLIN3xLSTC_B 0x00000004
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| 66 | #define RLIN3xLMD_B 0x00000008
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| 67 | #define RLIN3xLBFC_B 0x00000009
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| 68 | #define RLIN3xLSC_B 0x0000000a
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| 69 | #define RLIN3xLWUP_B 0x0000000b
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| 70 | #define RLIN3xLIE_B 0x0000000c
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| 71 | #define RLIN3xLEDE_B 0x0000000d
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| 72 | #define RLIN3xLCUC_B 0x0000000e
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| 73 | #define RLIN3xLTRC_B 0x00000010
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| 74 | #define RLIN3xLMST_B 0x00000011
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| 75 | #define RLIN3xLST_B 0x00000012
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| 76 | #define RLIN3xLEST_B 0x00000013
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| 77 | #define RLIN3xLDFC_B 0x00000014
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| 78 | #define RLIN3xLIDB_B 0x00000015
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| 79 | #define RLIN3xLCBR_B 0x00000016
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| 80 | #define RLIN3xLUDB0_B 0x00000017
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| 81 | #define RLIN3xLDBR1_B 0x00000018
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| 82 | #define RLIN3xLDBR2_B 0x00000019
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| 83 | #define RLIN3xLDBR3_B 0x0000001a
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| 84 | #define RLIN3xLDBR4_B 0x0000001b
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| 85 | #define RLIN3xLDBR5_B 0x0000001c
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| 86 | #define RLIN3xLDBR6_B 0x0000001d
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| 87 | #define RLIN3xLDBR7_B 0x0000001e
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| 88 | #define RLIN3xLDBR8_B 0x0000001f
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| 89 | #define RLIN3xLUOER_B 0x00000020
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| 90 | #define RLIN3xLUOR1_B 0x00000021
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| 91 | #define RLIN3xLUTDR_H 0x00000024
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| 92 | #define RLIN3xLUTDRL_B 0x00000024
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| 93 | #define RLIN3xLUTDRH_B 0x00000025
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| 94 | #define RLIN3xLURDR_H 0x00000026
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| 95 | #define RLIN3xLURDRL_B 0x00000026
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| 96 | #define RLIN3xLURDRH_B 0x00000027
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| 97 | #define RLIN3xLUWTDR_H 0x00000028
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| 98 | #define RLIN3xLUWTDRL_B 0x00000028
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| 99 | #define RLIN3xLUWTDRH_B 0x00000029
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| 100 |
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| 101 | /*
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| 102 | * 7 : TX
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| 103 | * 8 : RX
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| 104 | */
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| 105 |
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| 106 | /*
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| 107 | * Port 0 Configration for RLIN32
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| 108 | * P10_13 : RLIN32RX : æ2p
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| 109 | * P10_14 : RLIN32TX : æ2p
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| 110 | */
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| 111 | #define RLIN32_P10_MASK ((uint16) 0x6000)
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| 112 | #define RLIN32_PMC10_INIT ((uint16) 0x6000)
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| 113 | #define RLIN32_PFCAE10_INIT ((uint16) 0x0000)
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| 114 | #define RLIN32_PFCE10_INIT ((uint16) 0x0000)
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| 115 | #define RLIN32_PFC10_INIT ((uint16) 0x6000)
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| 116 | #define RLIN32_PM10_INIT ((uint16) 0x2000)
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| 117 | #define RLIN32_PIBC10_INIT ((uint16) 0x2000)
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| 118 |
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| 119 | /*
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| 120 | * RLIN32p|[gÌú»
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| 121 | */
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| 122 | void
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| 123 | rlin3x_portinit(void)
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| 124 | {
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| 125 | uint16 wk;
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| 126 |
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| 127 | /*
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| 128 | * PORT10(RLIN32)
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| 129 | */
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| 130 | /* PFCAE10 Ýè */
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| 131 | wk = sil_reh_mem((void *) PFCAE(10));
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| 132 | wk &= ~RLIN32_P10_MASK;
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| 133 | wk |= (RLIN32_PFCAE10_INIT & RLIN32_P10_MASK);
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| 134 | sil_wrh_mem((void *) PFCAE(10), wk);
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| 135 |
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| 136 | /* PFCE10 Ýè */
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| 137 | wk = sil_reh_mem((void *) PFCE(10));
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| 138 | wk &= ~RLIN32_P10_MASK;
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| 139 | wk |= (RLIN32_PFCE10_INIT & RLIN32_P10_MASK);
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| 140 | sil_wrh_mem((void *) PFCE(10), wk);
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| 141 |
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| 142 | /* PFC10 Ýè */
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| 143 | wk = sil_reh_mem((void *) PFC(10));
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| 144 | wk &= ~RLIN32_P10_MASK;
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| 145 | wk |= (RLIN32_PFC10_INIT & RLIN32_P10_MASK);
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| 146 | sil_wrh_mem((void *) PFC(10), wk);
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| 147 |
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| 148 | /* PMC10 Ýè */
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| 149 | wk = sil_reh_mem((void *) PMC(10));
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| 150 | wk &= ~RLIN32_P10_MASK;
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| 151 | wk |= (RLIN32_PMC10_INIT & RLIN32_P10_MASK);
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| 152 | sil_wrh_mem((void *) PMC(10), wk);
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| 153 |
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| 154 | /* PM10 Ýè */
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| 155 | wk = sil_reh_mem((void *) PM(10));
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| 156 | wk &= ~RLIN32_P10_MASK;
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| 157 | wk |= (RLIN32_PM10_INIT & RLIN32_P10_MASK);
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| 158 | sil_wrh_mem((void *) PM(10), wk);
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| 159 |
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| 160 | /* PIBC10 Ýè */
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| 161 | wk = sil_reh_mem((void *) PIBC(10));
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| 162 | wk &= ~RLIN32_P10_MASK;
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| 163 | wk |= (RLIN32_PIBC10_INIT & RLIN32_P10_MASK);
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| 164 | sil_wrh_mem((void *) PIBC(10), wk);
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| 165 | }
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| 166 |
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| 167 | /*
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| 168 | * {[[gWX^ÖÌÝèl PCLK=40MHz, 115200bps
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| 169 | */
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| 170 | #define RLIN3xLWBR_VAL 0xf2
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| 171 | #define RLIN3xLBRP01_VAL 10
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| 172 |
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| 173 | #define RxBUFF_SIZE 256
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| 174 | #define TxBUFF_SIZE 256
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| 175 |
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| 176 | static uint8 s_rxbuff[RxBUFF_SIZE];
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| 177 | static uint8 s_txbuff[TxBUFF_SIZE];
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| 178 |
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| 179 | static int s_rxbuff_tail;
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| 180 | static int s_rxbuff_head;
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| 181 | static int s_rxbuff_cnt;
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| 182 | static int s_txbuff_tail;
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| 183 | static int s_txbuff_head;
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| 184 | static int s_txbuff_cnt;
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| 185 | static boolean s_do_tx;
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| 186 |
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| 187 | /*
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| 188 | * ú»
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| 189 | */
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| 190 | void
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| 191 | rlin3x_init(void)
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| 192 | {
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| 193 | s_rxbuff_tail = 0;
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| 194 | s_rxbuff_head = 0;
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| 195 | s_rxbuff_cnt = 0;
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| 196 | s_txbuff_tail = 0;
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| 197 | s_txbuff_head = 0;
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| 198 | s_txbuff_cnt = 0;
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| 199 | s_do_tx = FALSE;
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| 200 |
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| 201 | /* Uart Mode ðLø(mCYtB^àLø) */
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| 202 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLMD_B), 0x31);
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| 203 |
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| 204 | /* {[[gÝè */
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| 205 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLWBR_B), RLIN3xLWBR_VAL);
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| 206 | sil_wrh_mem((void *) (RLIN3x_BASE + RLIN3xLBRP01_H), RLIN3xLBRP01_VAL);
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| 207 |
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| 208 | /* G[o */
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| 209 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLEDE_B), 0x0d);
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| 210 |
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| 211 | /* f[^ tH[}bg */
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| 212 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLBFC_B), 0x00);
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| 213 |
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| 214 | /* Zbgð */
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| 215 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLCUC_B), 0x01);
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| 216 |
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| 217 | /* ZbgðÒ¿ */
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| 218 | while (sil_reb_mem((void *) (RLIN3x_BASE + RLIN3xLMST_B)) == 0x00) {
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| 219 | }
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| 220 |
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| 221 | /* óM®ì */
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| 222 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLUOER_B), 0x03);
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| 223 |
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| 224 | /* óMÝÂ */
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| 225 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLIE_B), 0x03);
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| 226 |
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| 227 | /* |[gÌú» */
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| 228 | rlin3x_portinit();
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| 229 | }
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| 230 |
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| 231 |
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| 232 | /*
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| 233 | * óMµ½f[^·
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| 234 | */
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| 235 | int
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| 236 | rlin3x_get_rxcnt(void)
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| 237 | {
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| 238 | return s_rxbuff_cnt;
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| 239 | }
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| 240 |
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| 241 | /*
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| 242 | * RLIN32óM
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| 243 | */
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| 244 | boolean
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| 245 | rlin3x_receive(unsigned char *data, int len)
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| 246 | {
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| 247 | boolean result = TRUE;
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| 248 | int loop;
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| 249 |
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| 250 | SuspendOSInterrupts();
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| 251 | if (s_rxbuff_cnt < len) {
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| 252 | result = FALSE;
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| 253 | }else {
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| 254 | for(loop = 0; loop < len; loop++) {
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| 255 | *data++ = s_rxbuff[s_rxbuff_head++];
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| 256 | s_rxbuff_head = s_rxbuff_head % RxBUFF_SIZE;
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| 257 | s_rxbuff_cnt--;
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| 258 | }
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| 259 | }
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| 260 | ResumeOSInterrupts();
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| 261 |
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| 262 | return result;
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| 263 | }
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| 264 |
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| 265 | /*
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| 266 | * RLIN32M
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| 267 | */
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| 268 | boolean
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| 269 | rlin3x_send(const unsigned char *data, int len)
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| 270 | {
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| 271 | int loop;
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| 272 | char c;
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| 273 |
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| 274 | /* 󫪳¯êÎG[ */
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| 275 | if (s_txbuff_cnt + len > TxBUFF_SIZE) {
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| 276 | return FALSE;
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| 277 | }
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| 278 |
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| 279 | /* Oobt@ÉRs[ */
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| 280 | for(loop = 0; loop < len; loop++){
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| 281 | s_txbuff[s_txbuff_tail++] = *data++;
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| 282 | s_txbuff_tail = s_txbuff_tail % TxBUFF_SIZE;
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| 283 | s_txbuff_cnt++;
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| 284 | }
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| 285 |
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| 286 | if (!(s_do_tx)) {
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| 287 | SuspendOSInterrupts();
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| 288 | /* Oobt@©çæèoµM */
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| 289 | c = s_txbuff[s_txbuff_head++];
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| 290 | s_txbuff_head = s_txbuff_head % TxBUFF_SIZE;
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| 291 | s_txbuff_cnt--;
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| 292 | s_do_tx = TRUE;
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| 293 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLUTDRL_B), c);
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| 294 | ResumeOSInterrupts();
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| 295 | }
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| 296 |
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| 297 | return TRUE;
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| 298 | }
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| 299 |
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| 300 | void
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| 301 | rlin3x_tx_interrupt(void)
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| 302 | {
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| 303 | char c;
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| 304 |
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| 305 | if (s_txbuff_cnt == 0) {
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| 306 | /* obt@ªó */
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| 307 | s_do_tx = FALSE;
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| 308 | }
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| 309 | else {
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| 310 | /* obt@©çf[^ðæèoµoÍ */
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| 311 | c = s_txbuff[s_txbuff_head++];
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| 312 | s_txbuff_head = s_txbuff_head % TxBUFF_SIZE;
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| 313 | s_txbuff_cnt--;
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| 314 | sil_wrb_mem((void *) (RLIN3x_BASE + RLIN3xLUTDRL_B), c);
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| 315 | s_do_tx = TRUE;
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| 316 | }
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| 317 | }
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| 318 |
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| 319 | ISR(RLIN3x_TX_ISR)
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| 320 | {
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| 321 | rlin3x_tx_interrupt();
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| 322 | }
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| 323 |
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| 324 | void
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| 325 | rlin3x_rx_interrupt(void)
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| 326 | {
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| 327 | char c;
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| 328 |
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| 329 | c = sil_reb_mem((void *) (RLIN3x_BASE + RLIN3xLURDRL_B));
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| 330 |
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| 331 | if (s_rxbuff_cnt < RxBUFF_SIZE) {
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| 332 | s_rxbuff[s_rxbuff_tail++] = c;
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| 333 | s_rxbuff_tail = s_rxbuff_tail % RxBUFF_SIZE;
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| 334 | s_rxbuff_cnt++;
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| 335 | }
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| 336 | }
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| 337 |
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| 338 | ISR(RLIN3x_RX_ISR)
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| 339 | {
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| 340 | rlin3x_rx_interrupt();
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| 341 | }
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