1 | //---------------------------------------------------------------------------- |
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2 | // user_logic.v - module |
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3 | //---------------------------------------------------------------------------- |
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4 | // |
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5 | /* Copyright (c) 2006 Rice University */ |
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6 | /* All Rights Reserved */ |
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7 | /* This code is covered by the Rice-WARP license */ |
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8 | /* See http://warp.rice.edu/license/ for details */ |
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9 | // |
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10 | //---------------------------------------------------------------------------- |
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11 | // Filename: user_logic.v |
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12 | // Version: 1.04.a |
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13 | // Description: User logic module. |
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14 | // Date: Sat Apr 15 16:16:16 2006 (by Create and Import Peripheral Wizard) |
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15 | // Verilog Standard: Verilog-2001 |
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16 | //---------------------------------------------------------------------------- |
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17 | // Naming Conventions: |
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18 | // active low signals: "*_n" |
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19 | // clock signals: "clk", "clk_div#", "clk_#x" |
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20 | // reset signals: "rst", "rst_n" |
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21 | // generics: "C_*" |
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22 | // user defined types: "*_TYPE" |
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23 | // state machine next state: "*_ns" |
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24 | // state machine current state: "*_cs" |
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25 | // combinatorial signals: "*_com" |
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26 | // pipelined or register delay signals: "*_d#" |
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27 | // counter signals: "*cnt*" |
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28 | // clock enable signals: "*_ce" |
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29 | // internal version of output port: "*_i" |
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30 | // device pins: "*_pin" |
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31 | // ports: "- Names begin with Uppercase" |
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32 | // processes: "*_PROCESS" |
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33 | // component instantiations: "<ENTITY_>I_<#|FUNC>" |
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34 | //---------------------------------------------------------------------------- |
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35 | |
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36 | module user_logic |
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37 | ( |
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38 | // -- ADD USER PORTS BELOW THIS LINE --------------- |
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39 | // --USER ports added here |
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40 | |
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41 | spi_clk, |
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42 | data_out, |
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43 | Radio1_cs, |
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44 | Radio2_cs, |
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45 | Radio3_cs, |
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46 | Radio4_cs, |
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47 | Dac1_cs, |
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48 | Dac2_cs, |
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49 | Dac3_cs, |
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50 | Dac4_cs, |
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51 | Radio1_SHDN, |
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52 | Radio1_TxEn, |
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53 | Radio1_RxEn, |
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54 | Radio1_RxHP, |
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55 | Radio1_LD, |
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56 | Radio1_24PA, |
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57 | Radio1_5PA, |
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58 | Radio1_ANTSW, |
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59 | Radio1_LED, |
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60 | Radio1_ADC_RX_DCS, |
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61 | Radio1_ADC_RX_DFS, |
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62 | Radio1_ADC_RX_OTRA, |
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63 | Radio1_ADC_RX_OTRB, |
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64 | Radio1_ADC_RX_PWDNA, |
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65 | Radio1_ADC_RX_PWDNB, |
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66 | Radio1_DIPSW, |
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67 | Radio1_RSSI_ADC_CLAMP, |
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68 | Radio1_RSSI_ADC_HIZ, |
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69 | Radio1_RSSI_ADC_OTR, |
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70 | Radio1_RSSI_ADC_SLEEP, |
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71 | Radio1_RSSI_ADC_D, |
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72 | Radio1_TX_DAC_PLL_LOCK, |
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73 | Radio1_TX_DAC_RESET, |
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74 | Radio1_RxHP_external, |
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75 | Radio2_SHDN, |
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76 | Radio2_TxEn, |
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77 | Radio2_RxEn, |
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78 | Radio2_RxHP, |
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79 | Radio2_LD, |
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80 | Radio2_24PA, |
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81 | Radio2_5PA, |
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82 | Radio2_ANTSW, |
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83 | Radio2_LED, |
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84 | Radio2_ADC_RX_DCS, |
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85 | Radio2_ADC_RX_DFS, |
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86 | Radio2_ADC_RX_OTRA, |
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87 | Radio2_ADC_RX_OTRB, |
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88 | Radio2_ADC_RX_PWDNA, |
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89 | Radio2_ADC_RX_PWDNB, |
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90 | Radio2_DIPSW, |
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91 | Radio2_RSSI_ADC_CLAMP, |
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92 | Radio2_RSSI_ADC_HIZ, |
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93 | Radio2_RSSI_ADC_OTR, |
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94 | Radio2_RSSI_ADC_SLEEP, |
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95 | Radio2_RSSI_ADC_D, |
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96 | Radio2_TX_DAC_PLL_LOCK, |
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97 | Radio2_TX_DAC_RESET, |
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98 | Radio2_RxHP_external, |
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99 | Radio3_SHDN, |
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100 | Radio3_TxEn, |
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101 | Radio3_RxEn, |
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102 | Radio3_RxHP, |
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103 | Radio3_LD, |
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104 | Radio3_24PA, |
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105 | Radio3_5PA, |
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106 | Radio3_ANTSW, |
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107 | Radio3_LED, |
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108 | Radio3_ADC_RX_DCS, |
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109 | Radio3_ADC_RX_DFS, |
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110 | Radio3_ADC_RX_OTRA, |
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111 | Radio3_ADC_RX_OTRB, |
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112 | Radio3_ADC_RX_PWDNA, |
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113 | Radio3_ADC_RX_PWDNB, |
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114 | Radio3_DIPSW, |
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115 | Radio3_RSSI_ADC_CLAMP, |
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116 | Radio3_RSSI_ADC_HIZ, |
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117 | Radio3_RSSI_ADC_OTR, |
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118 | Radio3_RSSI_ADC_SLEEP, |
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119 | Radio3_RSSI_ADC_D, |
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120 | Radio3_TX_DAC_PLL_LOCK, |
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121 | Radio3_TX_DAC_RESET, |
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122 | Radio3_RxHP_external, |
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123 | Radio4_SHDN, |
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124 | Radio4_TxEn, |
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125 | Radio4_RxEn, |
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126 | Radio4_RxHP, |
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127 | Radio4_LD, |
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128 | Radio4_24PA, |
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129 | Radio4_5PA, |
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130 | Radio4_ANTSW, |
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131 | Radio4_LED, |
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132 | Radio4_ADC_RX_DCS, |
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133 | Radio4_ADC_RX_DFS, |
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134 | Radio4_ADC_RX_OTRA, |
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135 | Radio4_ADC_RX_OTRB, |
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136 | Radio4_ADC_RX_PWDNA, |
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137 | Radio4_ADC_RX_PWDNB, |
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138 | Radio4_DIPSW, |
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139 | Radio4_RSSI_ADC_CLAMP, |
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140 | Radio4_RSSI_ADC_HIZ, |
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141 | Radio4_RSSI_ADC_OTR, |
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142 | Radio4_RSSI_ADC_SLEEP, |
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143 | Radio4_RSSI_ADC_D, |
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144 | Radio4_TX_DAC_PLL_LOCK, |
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145 | Radio4_TX_DAC_RESET, |
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146 | Radio4_RxHP_external, |
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147 | |
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148 | |
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149 | // -- ADD USER PORTS ABOVE THIS LINE --------------- |
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150 | |
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151 | // -- DO NOT EDIT BELOW THIS LINE ------------------ |
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152 | // -- Bus protocol ports, do not add to or delete |
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153 | Bus2IP_Clk, // Bus to IP clock |
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154 | Bus2IP_Reset, // Bus to IP reset |
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155 | Bus2IP_Data, // Bus to IP data bus for user logic |
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156 | Bus2IP_BE, // Bus to IP byte enables for user logic |
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157 | Bus2IP_RdCE, // Bus to IP read chip enable for user logic |
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158 | Bus2IP_WrCE, // Bus to IP write chip enable for user logic |
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159 | IP2Bus_Data, // IP to Bus data bus for user logic |
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160 | IP2Bus_Ack, // IP to Bus acknowledgement |
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161 | IP2Bus_Retry, // IP to Bus retry response |
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162 | IP2Bus_Error, // IP to Bus error response |
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163 | IP2Bus_ToutSup // IP to Bus timeout suppress |
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164 | // -- DO NOT EDIT ABOVE THIS LINE ------------------ |
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165 | ); // user_logic |
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166 | |
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167 | // -- ADD USER PARAMETERS BELOW THIS LINE ------------ |
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168 | // --USER parameters added here |
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169 | // -- ADD USER PARAMETERS ABOVE THIS LINE ------------ |
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170 | |
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171 | // -- DO NOT EDIT BELOW THIS LINE -------------------- |
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172 | // -- Bus protocol parameters, do not add to or delete |
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173 | parameter C_DWIDTH = 32; |
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174 | parameter C_NUM_CE = 8; |
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175 | // -- DO NOT EDIT ABOVE THIS LINE -------------------- |
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176 | |
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177 | // -- ADD USER PORTS BELOW THIS LINE ----------------- |
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178 | // --USER ports added here |
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179 | |
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180 | |
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181 | output spi_clk; |
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182 | output data_out; |
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183 | output Radio1_cs; |
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184 | output Radio2_cs; |
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185 | output Radio3_cs; |
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186 | output Radio4_cs; |
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187 | output Dac1_cs; |
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188 | output Dac2_cs; |
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189 | output Dac3_cs; |
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190 | output Dac4_cs; |
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191 | output Radio1_SHDN; |
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192 | output Radio1_TxEn; |
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193 | output Radio1_RxEn; |
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194 | output Radio1_RxHP; |
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195 | input Radio1_LD; |
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196 | output Radio1_24PA; |
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197 | output Radio1_5PA; |
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198 | output [0 : 1] Radio1_ANTSW; |
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199 | output [0 : 2] Radio1_LED; |
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200 | output Radio1_ADC_RX_DCS; |
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201 | output Radio1_ADC_RX_DFS; |
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202 | input Radio1_ADC_RX_OTRA; |
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203 | input Radio1_ADC_RX_OTRB; |
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204 | output Radio1_ADC_RX_PWDNA; |
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205 | output Radio1_ADC_RX_PWDNB; |
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206 | input [0 : 3] Radio1_DIPSW; |
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207 | output Radio1_RSSI_ADC_CLAMP; |
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208 | output Radio1_RSSI_ADC_HIZ; |
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209 | input Radio1_RSSI_ADC_OTR; |
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210 | output Radio1_RSSI_ADC_SLEEP; |
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211 | input [0 : 9] Radio1_RSSI_ADC_D; |
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212 | input Radio1_TX_DAC_PLL_LOCK; |
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213 | output Radio1_TX_DAC_RESET; |
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214 | input Radio1_RxHP_external; |
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215 | output Radio2_SHDN; |
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216 | output Radio2_TxEn; |
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217 | output Radio2_RxEn; |
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218 | output Radio2_RxHP; |
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219 | input Radio2_LD; |
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220 | output Radio2_24PA; |
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221 | output Radio2_5PA; |
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222 | output [0 : 1] Radio2_ANTSW; |
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223 | output [0 : 2] Radio2_LED; |
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224 | output Radio2_ADC_RX_DCS; |
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225 | output Radio2_ADC_RX_DFS; |
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226 | input Radio2_ADC_RX_OTRA; |
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227 | input Radio2_ADC_RX_OTRB; |
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228 | output Radio2_ADC_RX_PWDNA; |
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229 | output Radio2_ADC_RX_PWDNB; |
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230 | input [0 : 3] Radio2_DIPSW; |
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231 | output Radio2_RSSI_ADC_CLAMP; |
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232 | output Radio2_RSSI_ADC_HIZ; |
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233 | input Radio2_RSSI_ADC_OTR; |
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234 | output Radio2_RSSI_ADC_SLEEP; |
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235 | input [0 : 9] Radio2_RSSI_ADC_D; |
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236 | input Radio2_TX_DAC_PLL_LOCK; |
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237 | output Radio2_TX_DAC_RESET; |
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238 | input Radio2_RxHP_external; |
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239 | output Radio3_SHDN; |
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240 | output Radio3_TxEn; |
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241 | output Radio3_RxEn; |
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242 | output Radio3_RxHP; |
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243 | input Radio3_LD; |
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244 | output Radio3_24PA; |
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245 | output Radio3_5PA; |
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246 | output [0 : 1] Radio3_ANTSW; |
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247 | output [0 : 2] Radio3_LED; |
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248 | output Radio3_ADC_RX_DCS; |
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249 | output Radio3_ADC_RX_DFS; |
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250 | input Radio3_ADC_RX_OTRA; |
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251 | input Radio3_ADC_RX_OTRB; |
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252 | output Radio3_ADC_RX_PWDNA; |
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253 | output Radio3_ADC_RX_PWDNB; |
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254 | input [0 : 3] Radio3_DIPSW; |
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255 | output Radio3_RSSI_ADC_CLAMP; |
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256 | output Radio3_RSSI_ADC_HIZ; |
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257 | input Radio3_RSSI_ADC_OTR; |
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258 | output Radio3_RSSI_ADC_SLEEP; |
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259 | input [0 : 9] Radio3_RSSI_ADC_D; |
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260 | input Radio3_TX_DAC_PLL_LOCK; |
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261 | output Radio3_TX_DAC_RESET; |
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262 | input Radio3_RxHP_external; |
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263 | output Radio4_SHDN; |
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264 | output Radio4_TxEn; |
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265 | output Radio4_RxEn; |
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266 | output Radio4_RxHP; |
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267 | input Radio4_LD; |
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268 | output Radio4_24PA; |
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269 | output Radio4_5PA; |
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270 | output [0 : 1] Radio4_ANTSW; |
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271 | output [0 : 2] Radio4_LED; // |
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272 | output Radio4_ADC_RX_DCS; |
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273 | output Radio4_ADC_RX_DFS; // 1 |
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274 | input Radio4_ADC_RX_OTRA; |
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275 | input Radio4_ADC_RX_OTRB; |
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276 | output Radio4_ADC_RX_PWDNA; |
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277 | output Radio4_ADC_RX_PWDNB; |
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278 | input [0 : 3] Radio4_DIPSW; |
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279 | output Radio4_RSSI_ADC_CLAMP; // |
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280 | output Radio4_RSSI_ADC_HIZ; // |
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281 | input Radio4_RSSI_ADC_OTR; |
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282 | output Radio4_RSSI_ADC_SLEEP; // |
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283 | input [0 : 9] Radio4_RSSI_ADC_D; |
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284 | input Radio4_TX_DAC_PLL_LOCK; |
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285 | output Radio4_TX_DAC_RESET; |
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286 | input Radio4_RxHP_external; |
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287 | |
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288 | |
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289 | // -- ADD USER PORTS ABOVE THIS LINE ----------------- |
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290 | |
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291 | // -- DO NOT EDIT BELOW THIS LINE -------------------- |
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292 | // -- Bus protocol ports, do not add to or delete |
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293 | input Bus2IP_Clk; |
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294 | input Bus2IP_Reset; |
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295 | input [0 : C_DWIDTH-1] Bus2IP_Data; |
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296 | input [0 : C_DWIDTH/8-1] Bus2IP_BE; |
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297 | input [0 : C_NUM_CE-1] Bus2IP_RdCE; |
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298 | input [0 : C_NUM_CE-1] Bus2IP_WrCE; |
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299 | output [0 : C_DWIDTH-1] IP2Bus_Data; |
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300 | output IP2Bus_Ack; |
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301 | output IP2Bus_Retry; |
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302 | output IP2Bus_Error; |
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303 | output IP2Bus_ToutSup; |
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304 | // -- DO NOT EDIT ABOVE THIS LINE -------------------- |
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305 | |
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306 | //---------------------------------------------------------------------------- |
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307 | // Implementation |
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308 | //---------------------------------------------------------------------------- |
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309 | |
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310 | // --USER nets declarations added here, as needed for user logic |
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311 | |
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312 | // Nets for user logic slave model s/w accessible register example |
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313 | reg [0 : C_DWIDTH-1] slv_reg0; |
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314 | reg [0 : C_DWIDTH-1] slv_reg1; |
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315 | reg [0 : C_DWIDTH-1] slv_reg2; |
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316 | reg [0 : C_DWIDTH-1] slv_reg3; |
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317 | reg [0 : C_DWIDTH-1] slv_reg4; |
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318 | reg [0 : C_DWIDTH-1] slv_reg5; |
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319 | reg [0 : C_DWIDTH-1] slv_reg6; |
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320 | reg [0 : C_DWIDTH-1] slv_reg7; |
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321 | wire [0 : 7] slv_reg_write_select; |
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322 | wire [0 : 7] slv_reg_read_select; |
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323 | reg [0 : C_DWIDTH-1] slv_ip2bus_data; |
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324 | wire slv_read_ack; |
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325 | wire slv_write_ack; |
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326 | integer byte_index, bit_index; |
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327 | |
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328 | // --USER logic implementation added here |
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329 | |
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330 | |
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331 | wire [7:0] ss_pad_o; |
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332 | wire mytip; |
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333 | wire [13:0] reg_ctrl; |
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334 | wire [7:0] reg_ss; |
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335 | wire reg_divider; |
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336 | wire [17:0] reg_tx; |
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337 | |
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338 | |
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339 | assign Radio1_SHDN = ~slv_reg0[31]; |
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340 | assign Radio1_TxEn = slv_reg0[30]; |
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341 | assign Radio1_RxEn = slv_reg0[29]; |
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342 | assign Radio1_RxHP = (slv_reg0[27])?slv_reg0[28]:Radio1_RxHP_external; |
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343 | assign Radio1_24PA = ~slv_reg0[26]; |
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344 | assign Radio1_5PA = ~slv_reg0[25]; |
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345 | assign Radio1_ANTSW[0] = slv_reg0[23]; |
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346 | assign Radio1_ANTSW[1] = slv_reg0[24]; |
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347 | assign Radio1_ADC_RX_DCS = slv_reg0[22]; |
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348 | assign Radio1_LED[0] = ~Radio1_TX_DAC_PLL_LOCK; |
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349 | assign Radio1_LED[1] = Radio1_TxEn; |
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350 | assign Radio1_LED[2] = ~Radio1_LD; |
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351 | assign Radio1_ADC_RX_PWDNA = slv_reg0[18]; |
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352 | assign Radio1_ADC_RX_PWDNB = slv_reg0[17]; |
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353 | assign Radio1_RSSI_ADC_SLEEP = slv_reg0[16]; |
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354 | assign Radio1_TX_DAC_RESET = slv_reg0[10]; |
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355 | |
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356 | assign Radio1_ADC_RX_DFS = 1'b1; //slv_reg0[18]; |
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357 | assign Radio1_RSSI_ADC_CLAMP = 1'b0; //slv_reg0[9]; |
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358 | assign Radio1_RSSI_ADC_HIZ = 1'b0; //slv_reg0[8]; |
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359 | |
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360 | assign Radio2_SHDN = ~slv_reg1[31]; |
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361 | assign Radio2_TxEn = slv_reg1[30]; |
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362 | assign Radio2_RxEn = slv_reg1[29]; |
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363 | assign Radio2_RxHP = (slv_reg1[27])?slv_reg1[28]:Radio2_RxHP_external; |
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364 | assign Radio2_24PA = ~slv_reg1[26]; |
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365 | assign Radio2_5PA = ~slv_reg1[25]; |
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366 | assign Radio2_ANTSW[0] = slv_reg1[23]; |
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367 | assign Radio2_ANTSW[1] = slv_reg1[24]; |
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368 | assign Radio2_ADC_RX_DCS = slv_reg1[22]; |
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369 | assign Radio2_LED[0] = ~Radio2_TX_DAC_PLL_LOCK; |
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370 | assign Radio2_LED[1] = Radio2_TxEn; |
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371 | assign Radio2_LED[2] = ~Radio2_LD; |
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372 | assign Radio2_ADC_RX_PWDNA = slv_reg1[18]; |
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373 | assign Radio2_ADC_RX_PWDNB = slv_reg1[17]; |
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374 | assign Radio2_RSSI_ADC_SLEEP = slv_reg1[16]; |
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375 | assign Radio2_TX_DAC_RESET = slv_reg1[10]; |
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376 | |
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377 | assign Radio2_ADC_RX_DFS = 1'b1; //slv_reg1[18]; |
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378 | assign Radio2_RSSI_ADC_CLAMP = 1'b0; //slv_reg1[9]; |
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379 | assign Radio2_RSSI_ADC_HIZ = 1'b0; //slv_reg1[8]; |
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380 | |
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381 | assign Radio3_SHDN = ~slv_reg2[31]; |
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382 | assign Radio3_TxEn = slv_reg2[30]; |
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383 | assign Radio3_RxEn = slv_reg2[29]; |
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384 | assign Radio3_RxHP = (slv_reg2[27])?slv_reg2[28]:Radio3_RxHP_external; |
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385 | assign Radio3_24PA = ~slv_reg2[26]; |
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386 | assign Radio3_5PA = ~slv_reg2[25]; |
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387 | assign Radio3_ANTSW[0] = slv_reg2[23]; |
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388 | assign Radio3_ANTSW[1] = slv_reg2[24]; |
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389 | assign Radio3_ADC_RX_DCS = slv_reg2[22]; |
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390 | assign Radio3_LED[0] = ~Radio3_TX_DAC_PLL_LOCK; |
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391 | assign Radio3_LED[1] = Radio3_TxEn; |
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392 | assign Radio3_LED[2] = ~Radio3_LD; |
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393 | assign Radio3_ADC_RX_PWDNA = slv_reg2[18]; |
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394 | assign Radio3_ADC_RX_PWDNB = slv_reg2[17]; |
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395 | assign Radio3_RSSI_ADC_SLEEP = slv_reg2[16]; |
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396 | assign Radio3_TX_DAC_RESET = slv_reg2[10]; |
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397 | |
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398 | assign Radio3_ADC_RX_DFS = 1'b1; //slv_reg2[18]; |
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399 | assign Radio3_RSSI_ADC_CLAMP = 1'b0; //slv_reg2[9]; |
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400 | assign Radio3_RSSI_ADC_HIZ = 1'b0; //slv_reg2[8]; |
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401 | |
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402 | assign Radio4_SHDN = ~slv_reg3[31]; |
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403 | assign Radio4_TxEn = slv_reg3[30]; |
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404 | assign Radio4_RxEn = slv_reg3[29]; |
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405 | assign Radio4_RxHP = (slv_reg3[27])?slv_reg3[28]:Radio4_RxHP_external; |
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406 | assign Radio4_24PA = ~slv_reg3[26]; |
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407 | assign Radio4_5PA = ~slv_reg3[25]; |
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408 | assign Radio4_ANTSW[0] = slv_reg3[23]; |
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409 | assign Radio4_ANTSW[1] = slv_reg3[24]; |
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410 | assign Radio4_ADC_RX_DCS = slv_reg3[22]; |
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411 | assign Radio4_LED[0] = ~Radio4_TX_DAC_PLL_LOCK; |
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412 | assign Radio4_LED[1] = Radio4_TxEn; |
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413 | assign Radio4_LED[2] = ~Radio4_LD; |
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414 | assign Radio4_ADC_RX_PWDNA = slv_reg3[18]; |
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415 | assign Radio4_ADC_RX_PWDNB = slv_reg3[17]; |
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416 | assign Radio4_RSSI_ADC_SLEEP = slv_reg3[16]; |
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417 | assign Radio4_TX_DAC_RESET = slv_reg3[10]; |
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418 | |
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419 | assign Radio4_ADC_RX_DFS = 1'b1; //slv_reg3[18]; |
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420 | assign Radio4_RSSI_ADC_CLAMP = 1'b0; //slv_reg3[9]; |
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421 | assign Radio4_RSSI_ADC_HIZ = 1'b0; //slv_reg3[8]; |
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422 | |
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423 | assign Radio1_cs = ss_pad_o[0]; |
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424 | assign Radio2_cs = ss_pad_o[1]; |
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425 | assign Radio3_cs = ss_pad_o[2]; |
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426 | assign Radio4_cs = ss_pad_o[3]; |
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427 | assign Dac1_cs = ss_pad_o[4]; |
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428 | assign Dac2_cs = ss_pad_o[5]; |
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429 | assign Dac3_cs = ss_pad_o[6]; |
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430 | assign Dac4_cs = ss_pad_o[7]; |
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431 | |
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432 | assign reg_ctrl = slv_reg4[18:31]; |
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433 | assign reg_divider = slv_reg5[31]; |
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434 | assign reg_ss = slv_reg6[24:31]; |
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435 | assign reg_tx = slv_reg7[14:31]; |
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436 | |
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437 | spi_top spi_top( |
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438 | .opb_clk_i(Bus2IP_Clk), |
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439 | .opb_rst_i(Bus2IP_Reset), |
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440 | .reg_ctrl(reg_ctrl), |
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441 | .reg_ss(reg_ss), |
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442 | .reg_divider(reg_divider), |
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443 | .reg_tx(reg_tx), |
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444 | .ctrlwrite(Bus2IP_WrCE[4]), |
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445 | .busval(Bus2IP_Data[23]), |
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446 | .go(mytip), |
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447 | .ss_pad_o(ss_pad_o), |
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448 | .sclk_pad_o(spi_clk), |
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449 | .mosi_pad_o(data_out) |
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450 | ); |
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451 | |
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452 | |
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453 | // ------------------------------------------------------ |
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454 | // Example code to read/write user logic slave model s/w accessible registers |
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455 | // |
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456 | // Note: |
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457 | // The example code presented here is to show you one way of reading/writing |
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458 | // software accessible registers implemented in the user logic slave model. |
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459 | // Each bit of the Bus2IP_WrCE/Bus2IP_RdCE signals is configured to correspond |
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460 | // to one software accessible register by the top level template. For example, |
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461 | // if you have four 32 bit software accessible registers in the user logic, you |
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462 | // are basically operating on the following memory mapped registers: |
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463 | // |
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464 | // Bus2IP_WrCE or Memory Mapped |
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465 | // Bus2IP_RdCE Register |
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466 | // "1000" C_BASEADDR + 0x0 |
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467 | // "0100" C_BASEADDR + 0x4 |
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468 | // "0010" C_BASEADDR + 0x8 |
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469 | // "0001" C_BASEADDR + 0xC |
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470 | // |
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471 | // ------------------------------------------------------ |
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472 | |
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473 | assign |
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474 | slv_reg_write_select = Bus2IP_WrCE[0:7], |
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475 | slv_reg_read_select = Bus2IP_RdCE[0:7], |
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476 | slv_write_ack = Bus2IP_WrCE[0] || Bus2IP_WrCE[1] || Bus2IP_WrCE[2] || Bus2IP_WrCE[3] || Bus2IP_WrCE[4] || Bus2IP_WrCE[5] || Bus2IP_WrCE[6] || Bus2IP_WrCE[7], |
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477 | slv_read_ack = Bus2IP_RdCE[0] || Bus2IP_RdCE[1] || Bus2IP_RdCE[2] || Bus2IP_RdCE[3] || Bus2IP_RdCE[4] || Bus2IP_RdCE[5] || Bus2IP_RdCE[6] || Bus2IP_RdCE[7]; |
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478 | |
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479 | // implement slave model register(s) |
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480 | always @( posedge Bus2IP_Clk ) |
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481 | begin: SLAVE_REG_WRITE_PROC |
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482 | |
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483 | if ( Bus2IP_Reset == 1 ) |
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484 | begin |
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485 | slv_reg0 <= 0; |
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486 | slv_reg1 <= 0; |
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487 | slv_reg2 <= 0; |
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488 | slv_reg3 <= 0; |
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489 | slv_reg4 <= 0; |
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490 | slv_reg5 <= 0; |
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491 | slv_reg6 <= 0; |
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492 | slv_reg7 <= 0; |
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493 | end |
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494 | else |
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495 | case ( slv_reg_write_select ) |
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496 | 8'b10000000 : |
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497 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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498 | if ( Bus2IP_BE[byte_index] == 1 ) |
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499 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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500 | slv_reg0[bit_index] <= Bus2IP_Data[bit_index]; |
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501 | 8'b01000000 : |
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502 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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503 | if ( Bus2IP_BE[byte_index] == 1 ) |
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504 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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505 | slv_reg1[bit_index] <= Bus2IP_Data[bit_index]; |
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506 | 8'b00100000 : |
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507 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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508 | if ( Bus2IP_BE[byte_index] == 1 ) |
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509 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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510 | slv_reg2[bit_index] <= Bus2IP_Data[bit_index]; |
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511 | 8'b00010000 : |
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512 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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513 | if ( Bus2IP_BE[byte_index] == 1 ) |
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514 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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515 | slv_reg3[bit_index] <= Bus2IP_Data[bit_index]; |
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516 | 8'b00001000 : |
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517 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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518 | if ( Bus2IP_BE[byte_index] == 1 ) |
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519 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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520 | slv_reg4[bit_index] <= Bus2IP_Data[bit_index]; |
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521 | 8'b00000100 : |
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522 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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523 | if ( Bus2IP_BE[byte_index] == 1 ) |
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524 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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525 | slv_reg5[bit_index] <= Bus2IP_Data[bit_index]; |
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526 | 8'b00000010 : |
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527 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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528 | if ( Bus2IP_BE[byte_index] == 1 ) |
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529 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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530 | slv_reg6[bit_index] <= Bus2IP_Data[bit_index]; |
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531 | 8'b00000001 : |
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532 | for ( byte_index = 0; byte_index <= (C_DWIDTH/8)-1; byte_index = byte_index+1 ) |
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533 | if ( Bus2IP_BE[byte_index] == 1 ) |
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534 | for ( bit_index = byte_index*8; bit_index <= byte_index*8+7; bit_index = bit_index+1 ) |
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535 | slv_reg7[bit_index] <= Bus2IP_Data[bit_index]; |
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536 | default : ; |
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537 | endcase |
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538 | |
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539 | end // SLAVE_REG_WRITE_PROC |
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540 | |
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541 | // implement slave model register read mux |
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542 | always @( slv_reg_read_select or slv_reg0 or slv_reg1 or slv_reg2 or slv_reg3 or slv_reg4 or slv_reg5 or slv_reg6 or slv_reg7 ) |
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543 | begin: SLAVE_REG_READ_PROC |
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544 | |
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545 | case ( slv_reg_read_select ) |
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546 | 8'b10000000 : slv_ip2bus_data <= {Radio1_RSSI_ADC_D[0:9], |
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547 | slv_reg0[10], |
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548 | Radio1_TX_DAC_PLL_LOCK, |
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549 | Radio1_RSSI_ADC_OTR, |
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550 | Radio1_DIPSW[3], |
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551 | Radio1_DIPSW[2], |
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552 | Radio1_DIPSW[1], |
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553 | Radio1_DIPSW[0], |
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554 | slv_reg0[17:18], |
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555 | Radio1_ADC_RX_OTRB, |
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556 | Radio1_ADC_RX_OTRA, |
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557 | Radio1_ADC_RX_DFS, |
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558 | slv_reg0[22:26], |
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559 | Radio1_LD, |
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560 | slv_reg0[28:31]}; |
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561 | |
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562 | 8'b01000000 : slv_ip2bus_data <= {Radio2_RSSI_ADC_D[0:9], |
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563 | slv_reg1[10], |
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564 | Radio2_TX_DAC_PLL_LOCK, |
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565 | Radio2_RSSI_ADC_OTR, |
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566 | Radio2_DIPSW[3], |
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567 | Radio2_DIPSW[2], |
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568 | Radio2_DIPSW[1], |
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569 | Radio2_DIPSW[0], |
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570 | slv_reg1[17:18], |
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571 | Radio2_ADC_RX_OTRB, |
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572 | Radio2_ADC_RX_OTRA, |
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573 | Radio2_ADC_RX_DFS, |
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574 | slv_reg1[22:26], |
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575 | Radio2_LD, |
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576 | slv_reg1[28:31]}; |
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577 | |
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578 | 8'b00100000 : slv_ip2bus_data <= {Radio3_RSSI_ADC_D[0:9], |
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579 | slv_reg2[10], |
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580 | Radio3_TX_DAC_PLL_LOCK, |
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581 | Radio3_RSSI_ADC_OTR, |
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582 | Radio3_DIPSW[3], |
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583 | Radio3_DIPSW[2], |
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584 | Radio3_DIPSW[1], |
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585 | Radio3_DIPSW[0], |
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586 | slv_reg2[17:18], |
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587 | Radio3_ADC_RX_OTRB, |
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588 | Radio3_ADC_RX_OTRA, |
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589 | Radio3_ADC_RX_DFS, |
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590 | slv_reg2[22:26], |
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591 | Radio3_LD, |
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592 | slv_reg2[28:31]}; |
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593 | |
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594 | 8'b00010000 : slv_ip2bus_data <= {Radio4_RSSI_ADC_D[0:9], |
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595 | slv_reg3[10], |
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596 | Radio4_TX_DAC_PLL_LOCK, |
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597 | Radio4_RSSI_ADC_OTR, |
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598 | Radio4_DIPSW[3], |
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599 | Radio4_DIPSW[2], |
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600 | Radio4_DIPSW[1], |
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601 | Radio4_DIPSW[0], |
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602 | slv_reg3[17:18], |
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603 | Radio4_ADC_RX_OTRB, |
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604 | Radio4_ADC_RX_OTRA, |
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605 | Radio4_ADC_RX_DFS, |
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606 | slv_reg3[22:26], |
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607 | Radio4_LD, |
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608 | slv_reg3[28:31]}; |
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609 | |
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610 | 8'b00001000 : slv_ip2bus_data <= {slv_reg4[0:22], mytip, slv_reg4[24:31]}; |
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611 | 8'b00000100 : slv_ip2bus_data <= slv_reg5; |
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612 | 8'b00000010 : slv_ip2bus_data <= slv_reg6; |
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613 | 8'b00000001 : slv_ip2bus_data <= slv_reg7; |
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614 | default : slv_ip2bus_data <= 0; |
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615 | endcase |
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616 | |
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617 | end // SLAVE_REG_READ_PROC |
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618 | |
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619 | // ------------------------------------------------------------ |
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620 | // Example code to drive IP to Bus signals |
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621 | // ------------------------------------------------------------ |
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622 | |
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623 | assign IP2Bus_Data = slv_ip2bus_data; |
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624 | assign IP2Bus_Ack = slv_write_ack || slv_read_ack; |
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625 | assign IP2Bus_Error = 0; |
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626 | assign IP2Bus_Retry = 0; |
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627 | assign IP2Bus_ToutSup = 0; |
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628 | |
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629 | endmodule |
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