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¨æÑºLÌ³ÛØKèªC»ÌÜÜÌ`Å\[
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14 | * XR[hÉÜÜêĢ鱯D
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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¨æÑºL
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20 | * Ì³ÛØKèðfÚ·é±ÆD
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21 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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22 | * pūȢ`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¨æÑºLÌ³ÛØKèðfÚ·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[ÉÈ鱯ðßÄ¢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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43 | * ÉηéK«àÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEF
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44 | * AÌpÉæè¼ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»
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45 | * ÌÓCðíÈ¢D
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46 | *
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47 | * $Id: rlin3x.c 20 2015-04-20 14:29:19Z 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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