1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup lpc24xx |
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5 | * |
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6 | * @brief Console configuration. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008-2011 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be found in the file |
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19 | * LICENSE in this distribution or at http://www.rtems.com/license/LICENSE. |
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20 | */ |
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21 | |
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22 | #include <libchip/serial.h> |
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23 | #include <libchip/ns16550.h> |
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24 | |
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25 | #include <bsp.h> |
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26 | #include <bsp/lpc24xx.h> |
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27 | #include <bsp/irq.h> |
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28 | #include <bsp/io.h> |
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29 | |
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30 | static uint8_t lpc24xx_uart_get_register(uint32_t addr, uint8_t i) |
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31 | { |
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32 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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33 | |
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34 | return (uint8_t) reg [i]; |
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35 | } |
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36 | |
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37 | static void lpc24xx_uart_set_register(uint32_t addr, uint8_t i, uint8_t val) |
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38 | { |
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39 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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40 | |
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41 | reg [i] = val; |
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42 | } |
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43 | |
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44 | #ifdef LPC24XX_CONFIG_UART_1 |
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45 | static bool lpc24xx_uart_probe_1(int minor) |
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46 | { |
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47 | static const lpc24xx_pin_range pins [] = { |
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48 | LPC24XX_PIN_UART_1_TXD_P0_15, |
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49 | LPC24XX_PIN_UART_1_RXD_P0_16, |
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50 | LPC24XX_PIN_TERMINAL |
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51 | }; |
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52 | |
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53 | lpc24xx_module_enable(LPC24XX_MODULE_UART_1, LPC24XX_MODULE_PCLK_DEFAULT); |
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54 | lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION); |
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55 | |
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56 | return true; |
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57 | } |
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58 | #endif |
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59 | |
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60 | #ifdef LPC24XX_CONFIG_UART_2 |
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61 | static bool lpc24xx_uart_probe_2(int minor) |
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62 | { |
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63 | static const lpc24xx_pin_range pins [] = { |
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64 | LPC24XX_PIN_UART_2_TXD_P0_10, |
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65 | LPC24XX_PIN_UART_2_RXD_P0_11, |
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66 | LPC24XX_PIN_TERMINAL |
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67 | }; |
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68 | |
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69 | lpc24xx_module_enable(LPC24XX_MODULE_UART_2, LPC24XX_MODULE_PCLK_DEFAULT); |
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70 | lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION); |
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71 | |
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72 | return true; |
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73 | } |
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74 | #endif |
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75 | |
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76 | #ifdef LPC24XX_CONFIG_UART_3 |
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77 | static bool lpc24xx_uart_probe_3(int minor) |
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78 | { |
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79 | static const lpc24xx_pin_range pins [] = { |
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80 | LPC24XX_PIN_UART_3_TXD_P0_0, |
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81 | LPC24XX_PIN_UART_3_RXD_P0_1, |
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82 | LPC24XX_PIN_TERMINAL |
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83 | }; |
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84 | |
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85 | lpc24xx_module_enable(LPC24XX_MODULE_UART_3, LPC24XX_MODULE_PCLK_DEFAULT); |
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86 | lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION); |
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87 | |
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88 | return true; |
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89 | } |
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90 | #endif |
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91 | |
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92 | console_tbl Console_Configuration_Ports [] = { |
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93 | #ifdef LPC24XX_CONFIG_CONSOLE |
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94 | { |
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95 | .sDeviceName = "/dev/ttyS0", |
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96 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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97 | .pDeviceFns = &ns16550_fns, |
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98 | .deviceProbe = NULL, |
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99 | .pDeviceFlow = NULL, |
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100 | .ulMargin = 16, |
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101 | .ulHysteresis = 8, |
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102 | .pDeviceParams = (void *) LPC24XX_UART_BAUD, |
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103 | .ulCtrlPort1 = UART0_BASE_ADDR, |
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104 | .ulCtrlPort2 = 0, |
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105 | .ulDataPort = UART0_BASE_ADDR, |
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106 | .getRegister = lpc24xx_uart_get_register, |
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107 | .setRegister = lpc24xx_uart_set_register, |
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108 | .getData = NULL, |
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109 | .setData = NULL, |
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110 | .ulClock = LPC24XX_PCLK, |
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111 | .ulIntVector = LPC24XX_IRQ_UART_0 |
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112 | }, |
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113 | #endif |
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114 | #ifdef LPC24XX_CONFIG_UART_1 |
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115 | { |
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116 | .sDeviceName = "/dev/ttyS1", |
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117 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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118 | .pDeviceFns = &ns16550_fns, |
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119 | .deviceProbe = lpc24xx_uart_probe_1, |
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120 | .pDeviceFlow = NULL, |
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121 | .ulMargin = 16, |
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122 | .ulHysteresis = 8, |
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123 | .pDeviceParams = (void *) LPC24XX_UART_BAUD, |
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124 | .ulCtrlPort1 = UART1_BASE_ADDR, |
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125 | .ulCtrlPort2 = 0, |
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126 | .ulDataPort = UART1_BASE_ADDR, |
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127 | .getRegister = lpc24xx_uart_get_register, |
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128 | .setRegister = lpc24xx_uart_set_register, |
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129 | .getData = NULL, |
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130 | .setData = NULL, |
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131 | .ulClock = LPC24XX_PCLK, |
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132 | .ulIntVector = LPC24XX_IRQ_UART_1 |
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133 | }, |
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134 | #endif |
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135 | #ifdef LPC24XX_CONFIG_UART_2 |
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136 | { |
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137 | .sDeviceName = "/dev/ttyS2", |
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138 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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139 | .pDeviceFns = &ns16550_fns, |
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140 | .deviceProbe = lpc24xx_uart_probe_2, |
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141 | .pDeviceFlow = NULL, |
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142 | .ulMargin = 16, |
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143 | .ulHysteresis = 8, |
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144 | .pDeviceParams = (void *) LPC24XX_UART_BAUD, |
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145 | .ulCtrlPort1 = UART2_BASE_ADDR, |
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146 | .ulCtrlPort2 = 0, |
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147 | .ulDataPort = UART2_BASE_ADDR, |
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148 | .getRegister = lpc24xx_uart_get_register, |
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149 | .setRegister = lpc24xx_uart_set_register, |
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150 | .getData = NULL, |
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151 | .setData = NULL, |
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152 | .ulClock = LPC24XX_PCLK, |
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153 | .ulIntVector = LPC24XX_IRQ_UART_2 |
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154 | }, |
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155 | #endif |
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156 | #ifdef LPC24XX_CONFIG_UART_3 |
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157 | { |
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158 | .sDeviceName = "/dev/ttyS3", |
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159 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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160 | .pDeviceFns = &ns16550_fns, |
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161 | .deviceProbe = lpc24xx_uart_probe_3, |
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162 | .pDeviceFlow = NULL, |
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163 | .ulMargin = 16, |
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164 | .ulHysteresis = 8, |
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165 | .pDeviceParams = (void *) LPC24XX_UART_BAUD, |
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166 | .ulCtrlPort1 = UART3_BASE_ADDR, |
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167 | .ulCtrlPort2 = 0, |
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168 | .ulDataPort = UART3_BASE_ADDR, |
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169 | .getRegister = lpc24xx_uart_get_register, |
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170 | .setRegister = lpc24xx_uart_set_register, |
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171 | .getData = NULL, |
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172 | .setData = NULL, |
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173 | .ulClock = LPC24XX_PCLK, |
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174 | .ulIntVector = LPC24XX_IRQ_UART_3 |
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175 | }, |
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176 | #endif |
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177 | }; |
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178 | |
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179 | #define LPC24XX_UART_COUNT \ |
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180 | (sizeof(Console_Configuration_Ports) \ |
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181 | / sizeof(Console_Configuration_Ports [0])) |
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182 | unsigned long Console_Configuration_Count = LPC24XX_UART_COUNT; |
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