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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Utilities/STM32_EVAL/STM32L152_EVAL/stm32l152_eval_i2c_ee.h @ 89:fc21fb5b171b default tip

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author Daniel O'Connor <darius@dons.net.au>
date Fri, 13 Mar 2015 11:39:59 +1030
parents c59513fd84fb
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1 /**
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2 ******************************************************************************
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3 * @file stm32l152_eval_i2c_ee.h
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4 * @author MCD Application Team
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5 * @version V4.5.0
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6 * @date 07-March-2011
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7 * @brief This file contains all the functions prototypes for the stm32l152_eval_i2c_ee
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8 * firmware driver.
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9 ******************************************************************************
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10 * @attention
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11 *
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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18 *
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19 * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
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20 ******************************************************************************
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21 */
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22
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23 /* Define to prevent recursive inclusion -------------------------------------*/
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24 #ifndef __STM32L152_EVAL_I2C_EE_H
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25 #define __STM32L152_EVAL_I2C_EE_H
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26
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27 #ifdef __cplusplus
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28 extern "C" {
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29 #endif
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30
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31 /* Includes ------------------------------------------------------------------*/
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32 #include "stm32_eval.h"
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33
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34 /** @addtogroup Utilities
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35 * @{
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36 */
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37
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38 /** @addtogroup STM32_EVAL
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39 * @{
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40 */
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41
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42 /** @addtogroup STM32L152_EVAL
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43 * @{
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44 */
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45
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46 /** @addtogroup STM32L152_EVAL_I2C_EE
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47 * @{
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48 */
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49
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50 /** @defgroup STM32L152_EVAL_I2C_EE_Exported_Types
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51 * @{
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52 */
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53
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54 /**
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55 * @}
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56 */
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57
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58 /** @defgroup STM32L152_EVAL_I2C_EE_Exported_Constants
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59 * @{
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60 */
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61
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62 /* Uncomment the following line to use the default sEE_TIMEOUT_UserCallback()
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63 function implemented in stm32_evel_i2c_ee.c file.
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64 sEE_TIMEOUT_UserCallback() function is called whenever a timeout condition
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65 occure during communication (waiting on an event that doesn't occur, bus
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66 errors, busy devices ...). */
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67 /* #define USE_DEFAULT_TIMEOUT_CALLBACK */
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68
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69 #if !defined (sEE_M24C08) && !defined (sEE_M24C64_32)
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70 /* Use the defines below the choose the EEPROM type */
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71 /* #define sEE_M24C08*/ /* Support the device: M24C08. */
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72 /* note: Could support: M24C01, M24C02, M24C04 and M24C16 if the blocks and
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73 HW address are correctly defined*/
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74 #define sEE_M24C64_32 /* Support the devices: M24C32 and M24C64 */
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75 #endif
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76
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77 #ifdef sEE_M24C64_32
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78 /* For M24C32 and M24C64 devices, E0,E1 and E2 pins are all used for device
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79 address selection (ne need for additional address lines). According to the
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80 Harware connection on the board (on STM3210C-EVAL board E0 = E1 = E2 = 0) */
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81
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82 #define sEE_HW_ADDRESS 0xA0 /* E0 = E1 = E2 = 0 */
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83
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84 #elif defined (sEE_M24C08)
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85 /* The M24C08W contains 4 blocks (128byte each) with the adresses below: E2 = 0
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86 EEPROM Addresses defines */
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87 #define sEE_Block0_ADDRESS 0xA0 /* E2 = 0 */
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88 /*#define sEE_Block1_ADDRESS 0xA2*/ /* E2 = 0 */
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89 /*#define sEE_Block2_ADDRESS 0xA4*/ /* E2 = 0 */
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90 /*#define sEE_Block3_ADDRESS 0xA6*/ /* E2 = 0 */
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91
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92 #endif /* sEE_M24C64_32 */
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93
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94 #define I2C_SPEED 200000
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95 #define I2C_SLAVE_ADDRESS7 0xA0
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96
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97 #if defined (sEE_M24C08)
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98 #define sEE_PAGESIZE 16
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99 #elif defined (sEE_M24C64_32)
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100 #define sEE_PAGESIZE 32
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101 #endif
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102
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103 /* Maximum Timeout values for flags and events waiting loops. These timeouts are
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104 not based on accurate values, they just guarantee that the application will
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105 not remain stuck if the I2C communication is corrupted.
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106 You may modify these timeout values depending on CPU frequency and application
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107 conditions (interrupts routines ...). */
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108 #define sEE_FLAG_TIMEOUT ((uint32_t)0x1000)
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109 #define sEE_LONG_TIMEOUT ((uint32_t)(10 * sEE_FLAG_TIMEOUT))
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110
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111 /* Maximum number of trials for sEE_WaitEepromStandbyState() function */
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112 #define sEE_MAX_TRIALS_NUMBER 300
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113
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114 /* Defintions for the state of the DMA transfer */
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115 #define sEE_STATE_READY 0
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116 #define sEE_STATE_BUSY 1
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117 #define sEE_STATE_ERROR 2
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118
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119 #define sEE_OK 0
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120 #define sEE_FAIL 1
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121
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122 /**
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123 * @}
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124 */
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125
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126 /** @defgroup STM32L152_EVAL_I2C_EE_Exported_Macros
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127 * @{
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128 */
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129 /**
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130 * @}
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131 */
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132
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133 /** @defgroup STM32L152_EVAL_I2C_EE_Exported_Functions
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134 * @{
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135 */
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136 void sEE_DeInit(void);
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137 void sEE_Init(void);
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138 uint32_t sEE_ReadBuffer(uint8_t* pBuffer, uint16_t ReadAddr, uint16_t* NumByteToRead);
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139 uint32_t sEE_WritePage(uint8_t* pBuffer, uint16_t WriteAddr, uint8_t* NumByteToWrite);
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140 void sEE_WriteBuffer(uint8_t* pBuffer, uint16_t WriteAddr, uint16_t NumByteToWrite);
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141 uint32_t sEE_WaitEepromStandbyState(void);
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142
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143 /* USER Callbacks: These are functions for which prototypes only are declared in
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144 EEPROM driver and that should be implemented into user applicaiton. */
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145 /* sEE_TIMEOUT_UserCallback() function is called whenever a timeout condition
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146 occure during communication (waiting on an event that doesn't occur, bus
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147 errors, busy devices ...).
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148 You can use the default timeout callback implementation by uncommenting the
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149 define USE_DEFAULT_TIMEOUT_CALLBACK in stm32_evel_i2c_ee.h file.
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150 Typically the user implementation of this callback should reset I2C peripheral
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151 and re-initialize communication or in worst case reset all the application. */
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152 uint32_t sEE_TIMEOUT_UserCallback(void);
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153
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154 #ifdef __cplusplus
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155 }
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156 #endif
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157
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158 #endif /* __STM32L152_EVAL_I2C_EE_H */
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159 /**
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160 * @}
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161 */
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162
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163 /**
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164 * @}
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165 */
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166
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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 /**
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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 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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180
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181