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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/GPIO/JTAG_Remap/main.c @ 0:c59513fd84fb
Initial commit of STM32 test code.
author | Daniel O'Connor <darius@dons.net.au> |
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date | Mon, 03 Oct 2011 21:19:15 +1030 |
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c59513fd84fb
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1 /** |
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2 ****************************************************************************** |
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3 * @file GPIO/JTAG_Remap/main.c |
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4 * @author MCD Application Team |
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5 * @version V3.5.0 |
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6 * @date 08-April-2011 |
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7 * @brief Main program body |
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8 ****************************************************************************** |
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9 * @attention |
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10 * |
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11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS |
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12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE |
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13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY |
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14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING |
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15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE |
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16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. |
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17 * |
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18 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2> |
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19 ****************************************************************************** |
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20 */ |
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21 |
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22 /* Includes ------------------------------------------------------------------*/ |
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23 #include "stm32f10x.h" |
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24 #include "stm32_eval.h" |
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25 |
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26 /** @addtogroup STM32F10x_StdPeriph_Examples |
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27 * @{ |
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28 */ |
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29 |
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30 /** @addtogroup GPIO_JTAG_Remap |
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31 * @{ |
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32 */ |
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33 |
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34 /* Private typedef -----------------------------------------------------------*/ |
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35 /* Private define ------------------------------------------------------------*/ |
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36 /* Private macro -------------------------------------------------------------*/ |
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37 /* Private variables ---------------------------------------------------------*/ |
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38 GPIO_InitTypeDef GPIO_InitStructure; |
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39 |
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40 /* Private function prototypes -----------------------------------------------*/ |
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41 void RCC_Configuration(void); |
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42 void Delay(__IO uint32_t nCount); |
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43 |
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44 /* Private functions ---------------------------------------------------------*/ |
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45 |
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46 /** |
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47 * @brief Main program. |
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48 * @param None |
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49 * @retval None |
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50 */ |
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51 int main(void) |
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52 { |
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53 /*!< At this stage the microcontroller clock setting is already configured, |
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54 this is done through SystemInit() function which is called from startup |
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55 file (startup_stm32f10x_xx.s) before to branch to application main. |
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56 To reconfigure the default setting of SystemInit() function, refer to |
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57 system_stm32f10x.c file |
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58 */ |
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59 |
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60 /* Configure the system clocks */ |
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61 RCC_Configuration(); |
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62 |
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63 /* Initialize LEDs and Key Button mounted on STM3210X-EVAL board */ |
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64 STM_EVAL_LEDInit(LED1); |
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65 STM_EVAL_LEDInit(LED2); |
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66 |
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67 STM_EVAL_PBInit(BUTTON_KEY, BUTTON_MODE_GPIO); |
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68 |
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69 /* Test if Key Button GPIO Pin level is low (Key push-button on Eval Board pressed) */ |
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70 if (STM_EVAL_PBGetState(BUTTON_KEY) == 0x00) |
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71 { /* Key is pressed */ |
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72 |
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73 /* Turn on LED1 */ |
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74 STM_EVAL_LEDOn(LED1); |
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75 |
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76 /* Disable the Serial Wire Jtag Debug Port SWJ-DP */ |
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77 GPIO_PinRemapConfig(GPIO_Remap_SWJ_Disable, ENABLE); |
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78 |
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79 /* Configure PA.13 (JTMS/SWDAT), PA.14 (JTCK/SWCLK) and PA.15 (JTDI) as |
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80 output push-pull */ |
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81 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; |
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82 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
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83 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; |
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84 GPIO_Init(GPIOA, &GPIO_InitStructure); |
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85 |
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86 /* Configure PB.03 (JTDO) and PB.04 (JTRST) as output push-pull */ |
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87 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4; |
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88 GPIO_Init(GPIOB, &GPIO_InitStructure); |
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89 |
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90 while (1) |
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91 { |
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92 /* Toggle JTMS/SWDAT pin */ |
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93 GPIO_WriteBit(GPIOA, GPIO_Pin_13, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_13))); |
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94 /* Insert delay */ |
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95 Delay(0x5FFFF); |
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96 |
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97 /* Toggle JTCK/SWCLK pin */ |
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98 GPIO_WriteBit(GPIOA, GPIO_Pin_14, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_14))); |
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99 /* Insert delay */ |
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100 Delay(0x5FFFF); |
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101 |
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102 /* Toggle JTDI pin */ |
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103 GPIO_WriteBit(GPIOA, GPIO_Pin_15, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOA, GPIO_Pin_15))); |
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104 /* Insert delay */ |
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105 Delay(0x5FFFF); |
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106 |
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107 /* Toggle JTDO pin */ |
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108 GPIO_WriteBit(GPIOB, GPIO_Pin_3, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_3))); |
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109 /* Insert delay */ |
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110 Delay(0x5FFFF); |
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111 |
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112 /* Toggle JTRST pin */ |
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113 GPIO_WriteBit(GPIOB, GPIO_Pin_4, (BitAction)(1 - GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_4))); |
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114 /* Insert delay */ |
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115 Delay(0x5FFFF); |
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116 } |
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117 } |
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118 else |
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119 { |
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120 /* Turn on LED2 */ |
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121 STM_EVAL_LEDOn(LED2); |
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122 |
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123 while (1) |
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124 { |
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125 } |
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126 } |
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127 } |
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128 |
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129 /** |
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130 * @brief Configures the different system clocks. |
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131 * @param None |
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132 * @retval None |
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133 */ |
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134 void RCC_Configuration(void) |
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135 { |
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136 /* Enable GPIOA, GPIOB, RCC_APB2Periph_GPIO_KEY_BUTTON and AFIO clocks */ |
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137 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | |
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138 RCC_APB2Periph_AFIO, ENABLE); |
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139 } |
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140 |
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141 /** |
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142 * @brief Inserts a delay time. |
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143 * @param nCount: specifies the delay time length. |
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144 * @retval None |
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145 */ |
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146 void Delay(__IO uint32_t nCount) |
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147 { |
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148 for(; nCount != 0; nCount--); |
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149 } |
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150 |
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151 #ifdef USE_FULL_ASSERT |
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152 |
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153 /** |
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154 * @brief Reports the name of the source file and the source line number |
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155 * where the assert_param error has occurred. |
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156 * @param file: pointer to the source file name |
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157 * @param line: assert_param error line source number |
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158 * @retval None |
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159 */ |
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160 void assert_failed(uint8_t* file, uint32_t line) |
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161 { |
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162 /* User can add his own implementation to report the file name and line number, |
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163 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
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164 |
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165 /* Infinite loop */ |
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166 while (1) |
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167 { |
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168 } |
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169 } |
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170 |
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171 #endif |
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172 |
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173 /** |
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174 * @} |
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175 */ |
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176 |
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177 /** |
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178 * @} |
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179 */ |
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180 |
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181 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/ |