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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/PWM_Input/stm32f10x_it.c @ 8:58d76cf522ff

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Split out code into separate files.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 04 Feb 2012 13:29:31 +1030
parents c59513fd84fb
children
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1 /**
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2 ******************************************************************************
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3 * @file TIM/PWM_Input/stm32f10x_it.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 Interrupt Service Routines.
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8 * This file provides template for all exceptions handler and peripherals
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9 * interrupt service routine.
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10 ******************************************************************************
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11 * @attention
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12 *
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13 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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14 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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15 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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16 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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17 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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18 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 *
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20 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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21 ******************************************************************************
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22 */
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23
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24 /* Includes ------------------------------------------------------------------*/
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25 #include "stm32f10x_it.h"
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26
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27 /** @addtogroup STM32F10x_StdPeriph_Examples
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28 * @{
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29 */
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30
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31 /** @addtogroup TIM_PWM_Input
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32 * @{
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33 */
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34
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35 /* Private typedef -----------------------------------------------------------*/
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36 /* Private define ------------------------------------------------------------*/
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37 /* Private macro -------------------------------------------------------------*/
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38 /* Private variables ---------------------------------------------------------*/
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39 __IO uint16_t IC2Value = 0;
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40 __IO uint16_t DutyCycle = 0;
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41 __IO uint32_t Frequency = 0;
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42
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43 /* Private function prototypes -----------------------------------------------*/
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44 /* Private functions ---------------------------------------------------------*/
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45
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46 /******************************************************************************/
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47 /* Cortex-M3 Processor Exceptions Handlers */
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48 /******************************************************************************/
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49
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50 /**
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51 * @brief This function handles NMI exception.
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52 * @param None
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53 * @retval None
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54 */
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55 void NMI_Handler(void)
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56 {
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57 }
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58
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59 /**
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60 * @brief This function handles Hard Fault exception.
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61 * @param None
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62 * @retval None
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63 */
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64 void HardFault_Handler(void)
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65 {
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66 /* Go to infinite loop when Hard Fault exception occurs */
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67 while (1)
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68 {}
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69 }
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70
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71 /**
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72 * @brief This function handles Memory Manage exception.
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73 * @param None
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74 * @retval None
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75 */
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76 void MemManage_Handler(void)
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77 {
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78 /* Go to infinite loop when Memory Manage exception occurs */
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79 while (1)
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80 {}
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81 }
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82
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83 /**
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84 * @brief This function handles Bus Fault exception.
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85 * @param None
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86 * @retval None
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87 */
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88 void BusFault_Handler(void)
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89 {
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90 /* Go to infinite loop when Bus Fault exception occurs */
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91 while (1)
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92 {}
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93 }
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94
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95 /**
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96 * @brief This function handles Usage Fault exception.
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97 * @param None
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98 * @retval None
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99 */
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100 void UsageFault_Handler(void)
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101 {
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102 /* Go to infinite loop when Usage Fault exception occurs */
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103 while (1)
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104 {}
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105 }
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106
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107 /**
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108 * @brief This function handles Debug Monitor exception.
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109 * @param None
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110 * @retval None
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111 */
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112 void DebugMon_Handler(void)
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113 {}
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114
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115 /**
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116 * @brief This function handles SVCall exception.
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117 * @param None
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118 * @retval None
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119 */
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120 void SVC_Handler(void)
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121 {}
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122
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123 /**
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124 * @brief This function handles PendSV_Handler exception.
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125 * @param None
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126 * @retval None
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127 */
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128 void PendSV_Handler(void)
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129 {}
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130
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131 /**
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132 * @brief This function handles SysTick Handler.
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133 * @param None
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134 * @retval None
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135 */
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136 void SysTick_Handler(void)
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137 {}
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138
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139 /******************************************************************************/
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140 /* STM32F10x Peripherals Interrupt Handlers */
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141 /******************************************************************************/
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142
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143 /**
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144 * @brief This function handles TIM3 global interrupt request.
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145 * @param None
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146 * @retval None
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147 */
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148 void TIM3_IRQHandler(void)
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149 {
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150 /* Clear TIM3 Capture compare interrupt pending bit */
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151 TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
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152
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153 /* Get the Input Capture value */
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154 IC2Value = TIM_GetCapture2(TIM3);
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155
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156 if (IC2Value != 0)
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157 {
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158 /* Duty cycle computation */
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159 DutyCycle = (TIM_GetCapture1(TIM3) * 100) / IC2Value;
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160
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161 /* Frequency computation */
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162 Frequency = SystemCoreClock / IC2Value;
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163 }
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164 else
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165 {
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166 DutyCycle = 0;
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167 Frequency = 0;
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168 }
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169 }
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170
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171 /******************************************************************************/
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172 /* STM32F10x Peripherals Interrupt Handlers */
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173 /* Add here the Interrupt Handler for the used peripheral(s) (PPP), for the */
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174 /* available peripheral interrupt handler's name please refer to the startup */
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175 /* file (startup_stm32f10x_xx.s). */
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176 /******************************************************************************/
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177
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178 /**
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179 * @brief This function handles PPP interrupt request.
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180 * @param None
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181 * @retval None
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182 */
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183 /*void PPP_IRQHandler(void)
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184 {
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185 }*/
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186
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187 /**
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188 * @}
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189 */
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190
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191 /**
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192 * @}
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193 */
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194
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195 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/