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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c @ 576:1105cf7bbf6f

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Return to o2 values: In surface mode the custom view will now reset to the o2 sensor display if sensors are connected and no button has been pressed for 20 seconds
author Ideenmodellierer
date Sun, 29 Nov 2020 22:55:31 +0100
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal.c
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4 * @author MCD Application Team
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5 * @brief HAL module driver.
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6 * This is the common part of the HAL initialization
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7 *
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8 @verbatim
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9 ==============================================================================
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10 ##### How to use this driver #####
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11 ==============================================================================
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12 [..]
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13 The common HAL driver contains a set of generic and common APIs that can be
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14 used by the PPP peripheral drivers and the user to start using the HAL.
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15 [..]
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16 The HAL contains two APIs' categories:
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17 (+) Common HAL APIs
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18 (+) Services HAL APIs
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19
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20 @endverbatim
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21 ******************************************************************************
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22 * @attention
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23 *
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24 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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25 *
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26 * Redistribution and use in source and binary forms, with or without modification,
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27 * are permitted provided that the following conditions are met:
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28 * 1. Redistributions of source code must retain the above copyright notice,
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29 * this list of conditions and the following disclaimer.
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30 * 2. Redistributions in binary form must reproduce the above copyright notice,
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31 * this list of conditions and the following disclaimer in the documentation
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32 * and/or other materials provided with the distribution.
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33 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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34 * may be used to endorse or promote products derived from this software
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35 * without specific prior written permission.
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36 *
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37 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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38 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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39 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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40 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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41 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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42 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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43 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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44 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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45 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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46 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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47 *
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48 ******************************************************************************
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49 */
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50
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51 /* Includes ------------------------------------------------------------------*/
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52 #include "stm32f4xx_hal.h"
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53
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54 /** @addtogroup STM32F4xx_HAL_Driver
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55 * @{
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56 */
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57
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58 /** @defgroup HAL HAL
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59 * @brief HAL module driver.
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60 * @{
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61 */
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62
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63 /* Private typedef -----------------------------------------------------------*/
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64 /* Private define ------------------------------------------------------------*/
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65 /** @addtogroup HAL_Private_Constants
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66 * @{
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67 */
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68 /**
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69 * @brief STM32F4xx HAL Driver version number V1.7.4
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70 */
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71 #define __STM32F4xx_HAL_VERSION_MAIN (0x01U) /*!< [31:24] main version */
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72 #define __STM32F4xx_HAL_VERSION_SUB1 (0x07U) /*!< [23:16] sub1 version */
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73 #define __STM32F4xx_HAL_VERSION_SUB2 (0x04U) /*!< [15:8] sub2 version */
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74 #define __STM32F4xx_HAL_VERSION_RC (0x00U) /*!< [7:0] release candidate */
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75 #define __STM32F4xx_HAL_VERSION ((__STM32F4xx_HAL_VERSION_MAIN << 24U)\
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76 |(__STM32F4xx_HAL_VERSION_SUB1 << 16U)\
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77 |(__STM32F4xx_HAL_VERSION_SUB2 << 8U )\
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78 |(__STM32F4xx_HAL_VERSION_RC))
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79
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80 #define IDCODE_DEVID_MASK 0x00000FFFU
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81
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82 /* ------------ RCC registers bit address in the alias region ----------- */
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83 #define SYSCFG_OFFSET (SYSCFG_BASE - PERIPH_BASE)
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84 /* --- MEMRMP Register ---*/
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85 /* Alias word address of UFB_MODE bit */
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86 #define MEMRMP_OFFSET SYSCFG_OFFSET
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87 #define UFB_MODE_BIT_NUMBER SYSCFG_MEMRMP_UFB_MODE_Pos
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88 #define UFB_MODE_BB (uint32_t)(PERIPH_BB_BASE + (MEMRMP_OFFSET * 32U) + (UFB_MODE_BIT_NUMBER * 4U))
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89
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90 /* --- CMPCR Register ---*/
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91 /* Alias word address of CMP_PD bit */
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92 #define CMPCR_OFFSET (SYSCFG_OFFSET + 0x20U)
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93 #define CMP_PD_BIT_NUMBER SYSCFG_CMPCR_CMP_PD_Pos
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94 #define CMPCR_CMP_PD_BB (uint32_t)(PERIPH_BB_BASE + (CMPCR_OFFSET * 32U) + (CMP_PD_BIT_NUMBER * 4U))
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95
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96 /* --- MCHDLYCR Register ---*/
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97 /* Alias word address of BSCKSEL bit */
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98 #define MCHDLYCR_OFFSET (SYSCFG_OFFSET + 0x30U)
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99 #define BSCKSEL_BIT_NUMBER SYSCFG_MCHDLYCR_BSCKSEL_Pos
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100 #define MCHDLYCR_BSCKSEL_BB (uint32_t)(PERIPH_BB_BASE + (MCHDLYCR_OFFSET * 32U) + (BSCKSEL_BIT_NUMBER * 4U))
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101 /**
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102 * @}
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103 */
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104
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105 /* Private macro -------------------------------------------------------------*/
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106 /* Private variables ---------------------------------------------------------*/
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107 /** @addtogroup HAL_Private_Variables
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108 * @{
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109 */
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110 __IO uint32_t uwTick;
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111 uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid PRIO */
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112 HAL_TickFreqTypeDef uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */
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113 /**
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114 * @}
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115 */
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116 /* Private function prototypes -----------------------------------------------*/
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117 /* Private functions ---------------------------------------------------------*/
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118
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119 /** @defgroup HAL_Exported_Functions HAL Exported Functions
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120 * @{
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121 */
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122
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123 /** @defgroup HAL_Exported_Functions_Group1 Initialization and de-initialization Functions
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124 * @brief Initialization and de-initialization functions
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125 *
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126 @verbatim
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127 ===============================================================================
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128 ##### Initialization and Configuration functions #####
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129 ===============================================================================
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130 [..] This section provides functions allowing to:
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131 (+) Initializes the Flash interface the NVIC allocation and initial clock
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132 configuration. It initializes the systick also when timeout is needed
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133 and the backup domain when enabled.
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134 (+) De-Initializes common part of the HAL.
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135 (+) Configure the time base source to have 1ms time base with a dedicated
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136 Tick interrupt priority.
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137 (++) SysTick timer is used by default as source of time base, but user
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138 can eventually implement his proper time base source (a general purpose
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139 timer for example or other time source), keeping in mind that Time base
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140 duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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141 handled in milliseconds basis.
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142 (++) Time base configuration function (HAL_InitTick ()) is called automatically
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143 at the beginning of the program after reset by HAL_Init() or at any time
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144 when clock is configured, by HAL_RCC_ClockConfig().
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145 (++) Source of time base is configured to generate interrupts at regular
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146 time intervals. Care must be taken if HAL_Delay() is called from a
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147 peripheral ISR process, the Tick interrupt line must have higher priority
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148 (numerically lower) than the peripheral interrupt. Otherwise the caller
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149 ISR process will be blocked.
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150 (++) functions affecting time base configurations are declared as __weak
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151 to make override possible in case of other implementations in user file.
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152 @endverbatim
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153 * @{
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154 */
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155
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156 /**
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157 * @brief This function is used to initialize the HAL Library; it must be the first
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158 * instruction to be executed in the main program (before to call any other
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159 * HAL function), it performs the following:
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160 * Configure the Flash prefetch, instruction and Data caches.
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161 * Configures the SysTick to generate an interrupt each 1 millisecond,
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162 * which is clocked by the HSI (at this stage, the clock is not yet
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163 * configured and thus the system is running from the internal HSI at 16 MHz).
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164 * Set NVIC Group Priority to 4.
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165 * Calls the HAL_MspInit() callback function defined in user file
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166 * "stm32f4xx_hal_msp.c" to do the global low level hardware initialization
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167 *
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168 * @note SysTick is used as time base for the HAL_Delay() function, the application
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169 * need to ensure that the SysTick time base is always set to 1 millisecond
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170 * to have correct HAL operation.
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171 * @retval HAL status
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172 */
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173 HAL_StatusTypeDef HAL_Init(void)
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174 {
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175 /* Configure Flash prefetch, Instruction cache, Data cache */
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176 #if (INSTRUCTION_CACHE_ENABLE != 0U)
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177 __HAL_FLASH_INSTRUCTION_CACHE_ENABLE();
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178 #endif /* INSTRUCTION_CACHE_ENABLE */
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179
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180 #if (DATA_CACHE_ENABLE != 0U)
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181 __HAL_FLASH_DATA_CACHE_ENABLE();
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182 #endif /* DATA_CACHE_ENABLE */
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183
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184 #if (PREFETCH_ENABLE != 0U)
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185 __HAL_FLASH_PREFETCH_BUFFER_ENABLE();
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186 #endif /* PREFETCH_ENABLE */
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187
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188 /* Set Interrupt Group Priority */
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189 HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
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190
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191 /* Use systick as time base source and configure 1ms tick (default clock after Reset is HSI) */
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192 HAL_InitTick(TICK_INT_PRIORITY);
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193
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194 /* Init the low level hardware */
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195 HAL_MspInit();
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196
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197 /* Return function status */
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198 return HAL_OK;
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199 }
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200
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201 /**
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202 * @brief This function de-Initializes common part of the HAL and stops the systick.
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203 * This function is optional.
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204 * @retval HAL status
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205 */
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206 HAL_StatusTypeDef HAL_DeInit(void)
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207 {
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208 /* Reset of all peripherals */
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209 __HAL_RCC_APB1_FORCE_RESET();
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210 __HAL_RCC_APB1_RELEASE_RESET();
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211
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212 __HAL_RCC_APB2_FORCE_RESET();
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213 __HAL_RCC_APB2_RELEASE_RESET();
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214
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215 __HAL_RCC_AHB1_FORCE_RESET();
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216 __HAL_RCC_AHB1_RELEASE_RESET();
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217
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218 __HAL_RCC_AHB2_FORCE_RESET();
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219 __HAL_RCC_AHB2_RELEASE_RESET();
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220
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221 __HAL_RCC_AHB3_FORCE_RESET();
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222 __HAL_RCC_AHB3_RELEASE_RESET();
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223
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224 /* De-Init the low level hardware */
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225 HAL_MspDeInit();
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226
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227 /* Return function status */
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228 return HAL_OK;
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229 }
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230
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231 /**
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232 * @brief Initialize the MSP.
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233 * @retval None
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234 */
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235 __weak void HAL_MspInit(void)
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236 {
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237 /* NOTE : This function should not be modified, when the callback is needed,
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238 the HAL_MspInit could be implemented in the user file
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239 */
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240 }
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241
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242 /**
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243 * @brief DeInitializes the MSP.
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244 * @retval None
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245 */
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246 __weak void HAL_MspDeInit(void)
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247 {
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248 /* NOTE : This function should not be modified, when the callback is needed,
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249 the HAL_MspDeInit could be implemented in the user file
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250 */
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251 }
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252
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253 /**
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254 * @brief This function configures the source of the time base.
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255 * The time source is configured to have 1ms time base with a dedicated
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256 * Tick interrupt priority.
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257 * @note This function is called automatically at the beginning of program after
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258 * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig().
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259 * @note In the default implementation, SysTick timer is the source of time base.
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260 * It is used to generate interrupts at regular time intervals.
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261 * Care must be taken if HAL_Delay() is called from a peripheral ISR process,
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262 * The SysTick interrupt must have higher priority (numerically lower)
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263 * than the peripheral interrupt. Otherwise the caller ISR process will be blocked.
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264 * The function is declared as __weak to be overwritten in case of other
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265 * implementation in user file.
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266 * @param TickPriority Tick interrupt priority.
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267 * @retval HAL status
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268 */
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269 __weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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270 {
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271 /* Configure the SysTick to have interrupt in 1ms time basis*/
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272 if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) > 0U)
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273 {
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274 return HAL_ERROR;
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275 }
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276
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277 /* Configure the SysTick IRQ priority */
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278 if (TickPriority < (1UL << __NVIC_PRIO_BITS))
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279 {
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280 HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U);
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281 uwTickPrio = TickPriority;
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282 }
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283 else
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284 {
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285 return HAL_ERROR;
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286 }
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287
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288 /* Return function status */
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289 return HAL_OK;
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290 }
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291
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292 /**
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293 * @}
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294 */
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295
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296 /** @defgroup HAL_Exported_Functions_Group2 HAL Control functions
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297 * @brief HAL Control functions
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298 *
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299 @verbatim
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300 ===============================================================================
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301 ##### HAL Control functions #####
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302 ===============================================================================
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303 [..] This section provides functions allowing to:
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304 (+) Provide a tick value in millisecond
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305 (+) Provide a blocking delay in millisecond
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306 (+) Suspend the time base source interrupt
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307 (+) Resume the time base source interrupt
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308 (+) Get the HAL API driver version
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309 (+) Get the device identifier
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310 (+) Get the device revision identifier
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311 (+) Enable/Disable Debug module during SLEEP mode
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312 (+) Enable/Disable Debug module during STOP mode
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313 (+) Enable/Disable Debug module during STANDBY mode
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314
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315 @endverbatim
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316 * @{
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317 */
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318
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319 /**
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320 * @brief This function is called to increment a global variable "uwTick"
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321 * used as application time base.
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322 * @note In the default implementation, this variable is incremented each 1ms
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323 * in SysTick ISR.
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324 * @note This function is declared as __weak to be overwritten in case of other
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325 * implementations in user file.
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326 * @retval None
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327 */
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328 __weak void HAL_IncTick(void)
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329 {
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330 uwTick += uwTickFreq;
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331 }
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332
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333 /**
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334 * @brief Provides a tick value in millisecond.
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335 * @note This function is declared as __weak to be overwritten in case of other
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336 * implementations in user file.
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337 * @retval tick value
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338 */
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339 __weak uint32_t HAL_GetTick(void)
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340 {
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341 return uwTick;
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342 }
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343
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344 /**
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345 * @brief This function returns a tick priority.
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346 * @retval tick priority
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347 */
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348 uint32_t HAL_GetTickPrio(void)
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349 {
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350 return uwTickPrio;
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351 }
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352
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353 /**
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354 * @brief Set new tick Freq.
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355 * @retval Status
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356 */
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357 HAL_StatusTypeDef HAL_SetTickFreq(HAL_TickFreqTypeDef Freq)
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358 {
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359 HAL_StatusTypeDef status = HAL_OK;
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360 assert_param(IS_TICKFREQ(Freq));
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361
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362 if (uwTickFreq != Freq)
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363 {
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364 uwTickFreq = Freq;
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365
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366 /* Apply the new tick Freq */
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367 status = HAL_InitTick(uwTickPrio);
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368 }
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369
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370 return status;
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371 }
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372
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373 /**
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374 * @brief Return tick frequency.
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375 * @retval tick period in Hz
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376 */
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377 HAL_TickFreqTypeDef HAL_GetTickFreq(void)
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378 {
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379 return uwTickFreq;
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380 }
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381
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382 /**
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383 * @brief This function provides minimum delay (in milliseconds) based
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384 * on variable incremented.
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385 * @note In the default implementation , SysTick timer is the source of time base.
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386 * It is used to generate interrupts at regular time intervals where uwTick
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387 * is incremented.
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388 * @note This function is declared as __weak to be overwritten in case of other
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389 * implementations in user file.
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390 * @param Delay specifies the delay time length, in milliseconds.
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391 * @retval None
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392 */
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393 __weak void HAL_Delay(uint32_t Delay)
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394 {
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395 uint32_t tickstart = HAL_GetTick();
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396 uint32_t wait = Delay;
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397
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398 /* Add a freq to guarantee minimum wait */
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399 if (wait < HAL_MAX_DELAY)
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400 {
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401 wait += (uint32_t)(uwTickFreq);
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402 }
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403
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404 while((HAL_GetTick() - tickstart) < wait)
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405 {
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406 }
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407 }
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408
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409 /**
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410 * @brief Suspend Tick increment.
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411 * @note In the default implementation , SysTick timer is the source of time base. It is
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412 * used to generate interrupts at regular time intervals. Once HAL_SuspendTick()
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413 * is called, the SysTick interrupt will be disabled and so Tick increment
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414 * is suspended.
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415 * @note This function is declared as __weak to be overwritten in case of other
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416 * implementations in user file.
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417 * @retval None
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418 */
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419 __weak void HAL_SuspendTick(void)
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420 {
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421 /* Disable SysTick Interrupt */
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422 SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
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423 }
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424
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425 /**
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426 * @brief Resume Tick increment.
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427 * @note In the default implementation , SysTick timer is the source of time base. It is
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428 * used to generate interrupts at regular time intervals. Once HAL_ResumeTick()
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429 * is called, the SysTick interrupt will be enabled and so Tick increment
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430 * is resumed.
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431 * @note This function is declared as __weak to be overwritten in case of other
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432 * implementations in user file.
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433 * @retval None
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434 */
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435 __weak void HAL_ResumeTick(void)
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436 {
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437 /* Enable SysTick Interrupt */
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438 SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
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439 }
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440
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441 /**
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442 * @brief Returns the HAL revision
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443 * @retval version : 0xXYZR (8bits for each decimal, R for RC)
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444 */
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445 uint32_t HAL_GetHalVersion(void)
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446 {
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447 return __STM32F4xx_HAL_VERSION;
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448 }
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449
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450 /**
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451 * @brief Returns the device revision identifier.
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452 * @retval Device revision identifier
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453 */
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454 uint32_t HAL_GetREVID(void)
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455 {
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456 return((DBGMCU->IDCODE) >> 16U);
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457 }
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458
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459 /**
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460 * @brief Returns the device identifier.
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461 * @retval Device identifier
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462 */
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463 uint32_t HAL_GetDEVID(void)
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464 {
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465 return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK);
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466 }
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467
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468 /**
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469 * @brief Enable the Debug Module during SLEEP mode
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470 * @retval None
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471 */
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472 void HAL_DBGMCU_EnableDBGSleepMode(void)
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473 {
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474 SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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475 }
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476
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477 /**
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478 * @brief Disable the Debug Module during SLEEP mode
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479 * @retval None
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480 */
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481 void HAL_DBGMCU_DisableDBGSleepMode(void)
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482 {
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483 CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
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484 }
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485
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486 /**
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487 * @brief Enable the Debug Module during STOP mode
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488 * @retval None
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489 */
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490 void HAL_DBGMCU_EnableDBGStopMode(void)
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491 {
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492 SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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493 }
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494
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495 /**
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496 * @brief Disable the Debug Module during STOP mode
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497 * @retval None
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498 */
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499 void HAL_DBGMCU_DisableDBGStopMode(void)
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500 {
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501 CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
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502 }
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503
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504 /**
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505 * @brief Enable the Debug Module during STANDBY mode
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506 * @retval None
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507 */
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508 void HAL_DBGMCU_EnableDBGStandbyMode(void)
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509 {
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510 SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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511 }
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512
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513 /**
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514 * @brief Disable the Debug Module during STANDBY mode
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515 * @retval None
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516 */
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517 void HAL_DBGMCU_DisableDBGStandbyMode(void)
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518 {
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519 CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
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520 }
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521
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522 /**
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523 * @brief Enables the I/O Compensation Cell.
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524 * @note The I/O compensation cell can be used only when the device supply
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525 * voltage ranges from 2.4 to 3.6 V.
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526 * @retval None
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527 */
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528 void HAL_EnableCompensationCell(void)
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529 {
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530 *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)ENABLE;
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531 }
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532
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533 /**
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534 * @brief Power-down the I/O Compensation Cell.
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535 * @note The I/O compensation cell can be used only when the device supply
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536 * voltage ranges from 2.4 to 3.6 V.
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537 * @retval None
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538 */
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539 void HAL_DisableCompensationCell(void)
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540 {
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541 *(__IO uint32_t *)CMPCR_CMP_PD_BB = (uint32_t)DISABLE;
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542 }
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543
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544 /**
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545 * @brief Return the unique device identifier (UID based on 96 bits)
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546 * @param UID pointer to 3 words array.
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547 * @retval Device identifier
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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548 */
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549 void HAL_GetUID(uint32_t *UID)
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550 {
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551 UID[0] = (uint32_t)(READ_REG(*((uint32_t *)UID_BASE)));
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552 UID[1] = (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE + 4U))));
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553 UID[2] = (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE + 8U))));
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554 }
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555
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556 #if defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx)|| defined(STM32F439xx) ||\
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557 defined(STM32F469xx) || defined(STM32F479xx)
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558 /**
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559 * @brief Enables the Internal FLASH Bank Swapping.
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560 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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561 * @note This function can be used only for STM32F42xxx/43xxx devices.
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562 *
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563 * @note Flash Bank2 mapped at 0x08000000 (and aliased @0x00000000)
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564 * and Flash Bank1 mapped at 0x08100000 (and aliased at 0x00100000)
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565 *
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566 * @retval None
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567 */
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568 void HAL_EnableMemorySwappingBank(void)
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569 {
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570 *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)ENABLE;
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571 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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572
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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573 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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574 * @brief Disables the Internal FLASH Bank Swapping.
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575 *
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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576 * @note This function can be used only for STM32F42xxx/43xxx devices.
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577 *
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578 * @note The default state : Flash Bank1 mapped at 0x08000000 (and aliased @0x00000000)
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579 * and Flash Bank2 mapped at 0x08100000 (and aliased at 0x00100000)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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580 *
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581 * @retval None
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582 */
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583 void HAL_DisableMemorySwappingBank(void)
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584 {
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585 *(__IO uint32_t *)UFB_MODE_BB = (uint32_t)DISABLE;
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586 }
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587 #endif /* STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx || STM32F469xx || STM32F479xx */
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588 /**
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589 * @}
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590 */
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591
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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592 /**
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593 * @}
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594 */
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595
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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596 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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597 * @}
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598 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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599
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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600 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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601 * @}
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602 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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603
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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604 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/