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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/TIM/PWM_Input/stm32f10x_it.c @ 89:fc21fb5b171b default tip
Make error message more useful
author | Daniel O'Connor <darius@dons.net.au> |
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date | Fri, 13 Mar 2015 11:39:59 +1030 |
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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>© 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****/ |