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annotate libs/STM32F10x_StdPeriph_Lib_V3.5.0/Project/STM32F10x_StdPeriph_Examples/SPI/SPI_FLASH/main.c @ 0:c59513fd84fb

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Initial commit of STM32 test code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 03 Oct 2011 21:19:15 +1030
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1 /**
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2 ******************************************************************************
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3 * @file SPI/SPI_FLASH/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>&copy; 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 "stm32_eval.h"
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24 #include "stm32_eval_spi_flash.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 SPI_FLASH
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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 typedef enum {FAILED = 0, PASSED = !FAILED} TestStatus;
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36
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37 /* Private define ------------------------------------------------------------*/
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38 #define FLASH_WriteAddress 0x700000
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39 #define FLASH_ReadAddress FLASH_WriteAddress
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40 #define FLASH_SectorToErase FLASH_WriteAddress
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41
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42 #if defined(USE_STM32100B_EVAL) || defined(USE_STM32100E_EVAL)
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43 #define sFLASH_ID sFLASH_M25P128_ID
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44 #else
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45 #define sFLASH_ID sFLASH_M25P64_ID
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46 #endif
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47
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48 #define BufferSize (countof(Tx_Buffer)-1)
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49
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50 /* Private macro -------------------------------------------------------------*/
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51 #define countof(a) (sizeof(a) / sizeof(*(a)))
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52
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53 /* Private variables ---------------------------------------------------------*/
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54 uint8_t Tx_Buffer[] = "STM32F10x SPI Firmware Library Example: communication with an M25P SPI FLASH";
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55 uint8_t Rx_Buffer[BufferSize];
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56 __IO uint8_t Index = 0x0;
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57 volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = PASSED;
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58 __IO uint32_t FlashID = 0;
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59
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60 /* Private functions ---------------------------------------------------------*/
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61 TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength);
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62
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63 /**
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64 * @brief Main program
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65 * @param None
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66 * @retval None
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67 */
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68 int main(void)
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69 {
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70 /*!< At this stage the microcontroller clock setting is already configured,
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71 this is done through SystemInit() function which is called from startup
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72 file (startup_stm32f10x_xx.s) before to branch to application main.
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73 To reconfigure the default setting of SystemInit() function, refer to
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74 system_stm32f10x.c file
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75 */
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76
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77 /* Initialize Leds mounted on STM3210X-EVAL board */
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78 STM_EVAL_LEDInit(LED1);
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79 STM_EVAL_LEDInit(LED2);
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80
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81 /* Initialize the SPI FLASH driver */
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82 sFLASH_Init();
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83
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84 /* Get SPI Flash ID */
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85 FlashID = sFLASH_ReadID();
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86
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87 /* Check the SPI Flash ID */
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88 if (FlashID == sFLASH_ID)
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89 {
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90 /* OK: Turn on LD1 */
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91 STM_EVAL_LEDOn(LED1);
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92
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93 /* Perform a write in the Flash followed by a read of the written data */
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94 /* Erase SPI FLASH Sector to write on */
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95 sFLASH_EraseSector(FLASH_SectorToErase);
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96
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97 /* Write Tx_Buffer data to SPI FLASH memory */
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98 sFLASH_WriteBuffer(Tx_Buffer, FLASH_WriteAddress, BufferSize);
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99
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100 /* Read data from SPI FLASH memory */
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101 sFLASH_ReadBuffer(Rx_Buffer, FLASH_ReadAddress, BufferSize);
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102
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103 /* Check the correctness of written dada */
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104 TransferStatus1 = Buffercmp(Tx_Buffer, Rx_Buffer, BufferSize);
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105 /* TransferStatus1 = PASSED, if the transmitted and received data by SPI1
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106 are the same */
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107 /* TransferStatus1 = FAILED, if the transmitted and received data by SPI1
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108 are different */
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109
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110 /* Perform an erase in the Flash followed by a read of the written data */
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111 /* Erase SPI FLASH Sector to write on */
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112 sFLASH_EraseSector(FLASH_SectorToErase);
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113
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114 /* Read data from SPI FLASH memory */
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115 sFLASH_ReadBuffer(Rx_Buffer, FLASH_ReadAddress, BufferSize);
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116
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117 /* Check the correctness of erasing operation dada */
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118 for (Index = 0; Index < BufferSize; Index++)
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119 {
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120 if (Rx_Buffer[Index] != 0xFF)
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121 {
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122 TransferStatus2 = FAILED;
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123 }
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124 }
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125 /* TransferStatus2 = PASSED, if the specified sector part is erased */
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126 /* TransferStatus2 = FAILED, if the specified sector part is not well erased */
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127 }
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128 else
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129 {
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130 /* Error: Turn on LD2 */
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131 STM_EVAL_LEDOn(LED2);
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132 }
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133
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134 while (1)
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135 {}
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136 }
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137
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138 /**
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139 * @brief Compares two buffers.
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140 * @param pBuffer1, pBuffer2: buffers to be compared.
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141 * @param BufferLength: buffer's length
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142 * @retval PASSED: pBuffer1 identical to pBuffer2
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143 * FAILED: pBuffer1 differs from pBuffer2
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144 */
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145 TestStatus Buffercmp(uint8_t* pBuffer1, uint8_t* pBuffer2, uint16_t BufferLength)
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146 {
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147 while (BufferLength--)
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148 {
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149 if (*pBuffer1 != *pBuffer2)
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150 {
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151 return FAILED;
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152 }
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153
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154 pBuffer1++;
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155 pBuffer2++;
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156 }
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157
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158 return PASSED;
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159 }
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160
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161 #ifdef USE_FULL_ASSERT
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162
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163 /**
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164 * @brief Reports the name of the source file and the source line number
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165 * where the assert_param error has occurred.
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166 * @param file: pointer to the source file name
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167 * @param line: assert_param error line source number
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168 * @retval None
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169 */
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170 void assert_failed(uint8_t* file, uint32_t line)
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171 {
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172 /* User can add his own implementation to report the file name and line number,
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173 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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174
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175 /* Infinite loop */
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176 while (1)
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177 {}
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178 }
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179
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180 #endif
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181 /**
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182 * @}
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183 */
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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 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/