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  1. /**
  2.   ******************************************************************************
  3.   * @file    stm32l1xx_hal_dac.h
  4.   * @author  MCD Application Team
  5.   * @brief   Header file of DAC HAL module.
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  10.   * All rights reserved.</center></h2>
  11.   *
  12.   * This software component is licensed by ST under BSD 3-Clause license,
  13.   * the "License"; You may not use this file except in compliance with the
  14.   * License. You may obtain a copy of the License at:
  15.   *                        opensource.org/licenses/BSD-3-Clause
  16.   *
  17.   ******************************************************************************
  18.   */
  19.  
  20. /* Define to prevent recursive inclusion -------------------------------------*/
  21. #ifndef STM32L1xx_HAL_DAC_H
  22. #define STM32L1xx_HAL_DAC_H
  23.  
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27.  
  28. /** @addtogroup STM32L1xx_HAL_Driver
  29.   * @{
  30.   */
  31.  
  32. /* Includes ------------------------------------------------------------------*/
  33. #include "stm32l1xx_hal_def.h"
  34.  
  35. #if defined(DAC1)
  36.  
  37. /** @addtogroup DAC
  38.   * @{
  39.   */
  40.  
  41. /* Exported types ------------------------------------------------------------*/
  42.  
  43. /** @defgroup DAC_Exported_Types DAC Exported Types
  44.   * @{
  45.   */
  46.  
  47. /**
  48.   * @brief  HAL State structures definition
  49.   */
  50. typedef enum
  51. {
  52.   HAL_DAC_STATE_RESET             = 0x00U,  /*!< DAC not yet initialized or disabled  */
  53.   HAL_DAC_STATE_READY             = 0x01U,  /*!< DAC initialized and ready for use    */
  54.   HAL_DAC_STATE_BUSY              = 0x02U,  /*!< DAC internal processing is ongoing   */
  55.   HAL_DAC_STATE_TIMEOUT           = 0x03U,  /*!< DAC timeout state                    */
  56.   HAL_DAC_STATE_ERROR             = 0x04U   /*!< DAC error state                      */
  57.  
  58. } HAL_DAC_StateTypeDef;
  59.  
  60. /**
  61.   * @brief  DAC handle Structure definition
  62.   */
  63. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  64. typedef struct __DAC_HandleTypeDef
  65. #else
  66. typedef struct
  67. #endif
  68. {
  69.   DAC_TypeDef                 *Instance;     /*!< Register base address             */
  70.  
  71.   __IO HAL_DAC_StateTypeDef   State;         /*!< DAC communication state           */
  72.  
  73.   HAL_LockTypeDef             Lock;          /*!< DAC locking object                */
  74.  
  75.   DMA_HandleTypeDef           *DMA_Handle1;  /*!< Pointer DMA handler for channel 1 */
  76.  
  77.   DMA_HandleTypeDef           *DMA_Handle2;  /*!< Pointer DMA handler for channel 2 */
  78.  
  79.   __IO uint32_t               ErrorCode;     /*!< DAC Error code                    */
  80.  
  81. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  82.   void (* ConvCpltCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  83.   void (* ConvHalfCpltCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  84.   void (* ErrorCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  85.   void (* DMAUnderrunCallbackCh1)(struct __DAC_HandleTypeDef *hdac);
  86.   void (* ConvCpltCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  87.   void (* ConvHalfCpltCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  88.   void (* ErrorCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  89.   void (* DMAUnderrunCallbackCh2)(struct __DAC_HandleTypeDef *hdac);
  90.  
  91.   void (* MspInitCallback)(struct __DAC_HandleTypeDef *hdac);
  92.   void (* MspDeInitCallback)(struct __DAC_HandleTypeDef *hdac);
  93. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  94.  
  95. } DAC_HandleTypeDef;
  96.  
  97.  
  98. /**
  99.   * @brief   DAC Configuration regular Channel structure definition
  100.   */
  101. typedef struct
  102. {
  103.   uint32_t DAC_Trigger;                  /*!< Specifies the external trigger for the selected DAC channel.
  104.                                               This parameter can be a value of @ref DAC_trigger_selection */
  105.  
  106.   uint32_t DAC_OutputBuffer;             /*!< Specifies whether the DAC channel output buffer is enabled or disabled.
  107.                                                This parameter can be a value of @ref DAC_output_buffer */
  108.  
  109. } DAC_ChannelConfTypeDef;
  110.  
  111. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  112. /**
  113.   * @brief  HAL DAC Callback ID enumeration definition
  114.   */
  115. typedef enum
  116. {
  117.   HAL_DAC_CH1_COMPLETE_CB_ID                 = 0x00U,  /*!< DAC CH1 Complete Callback ID      */
  118.   HAL_DAC_CH1_HALF_COMPLETE_CB_ID            = 0x01U,  /*!< DAC CH1 half Complete Callback ID */
  119.   HAL_DAC_CH1_ERROR_ID                       = 0x02U,  /*!< DAC CH1 error Callback ID         */
  120.   HAL_DAC_CH1_UNDERRUN_CB_ID                 = 0x03U,  /*!< DAC CH1 underrun Callback ID      */
  121.   HAL_DAC_CH2_COMPLETE_CB_ID                 = 0x04U,  /*!< DAC CH2 Complete Callback ID      */
  122.   HAL_DAC_CH2_HALF_COMPLETE_CB_ID            = 0x05U,  /*!< DAC CH2 half Complete Callback ID */
  123.   HAL_DAC_CH2_ERROR_ID                       = 0x06U,  /*!< DAC CH2 error Callback ID         */
  124.   HAL_DAC_CH2_UNDERRUN_CB_ID                 = 0x07U,  /*!< DAC CH2 underrun Callback ID      */
  125.   HAL_DAC_MSPINIT_CB_ID                      = 0x08U,  /*!< DAC MspInit Callback ID           */
  126.   HAL_DAC_MSPDEINIT_CB_ID                    = 0x09U,  /*!< DAC MspDeInit Callback ID         */
  127.   HAL_DAC_ALL_CB_ID                          = 0x0AU   /*!< DAC All ID                        */
  128. } HAL_DAC_CallbackIDTypeDef;
  129.  
  130. /**
  131.   * @brief  HAL DAC Callback pointer definition
  132.   */
  133. typedef void (*pDAC_CallbackTypeDef)(DAC_HandleTypeDef *hdac);
  134. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  135.  
  136. /**
  137.   * @}
  138.   */
  139.  
  140. /* Exported constants --------------------------------------------------------*/
  141.  
  142. /** @defgroup DAC_Exported_Constants DAC Exported Constants
  143.   * @{
  144.   */
  145.  
  146. /** @defgroup DAC_Error_Code DAC Error Code
  147.   * @{
  148.   */
  149. #define  HAL_DAC_ERROR_NONE              0x00U    /*!< No error                          */
  150. #define  HAL_DAC_ERROR_DMAUNDERRUNCH1    0x01U    /*!< DAC channel1 DMA underrun error   */
  151. #define  HAL_DAC_ERROR_DMAUNDERRUNCH2    0x02U    /*!< DAC channel2 DMA underrun error   */
  152. #define  HAL_DAC_ERROR_DMA               0x04U    /*!< DMA error                         */
  153. #define  HAL_DAC_ERROR_TIMEOUT           0x08U    /*!< Timeout error                     */
  154. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  155. #define HAL_DAC_ERROR_INVALID_CALLBACK   0x10U    /*!< Invalid callback error            */
  156. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  157.  
  158. /**
  159.   * @}
  160.   */
  161.  
  162. /** @defgroup DAC_trigger_selection DAC trigger selection
  163.   * @{
  164.   */
  165. #define DAC_TRIGGER_NONE                0x00000000U                                                      /*!< Conversion is automatic once the DAC1_DHRxxxx register has been loaded, and not by external trigger */
  166. #define DAC_TRIGGER_T6_TRGO             (DAC_CR_TEN1)                                                    /*!< Conversion started by software trigger for DAC channel */
  167. #define DAC_TRIGGER_T7_TRGO             (                 DAC_CR_TSEL1_1                  | DAC_CR_TEN1) /*!< TIM7 TRGO selected as external conversion trigger for DAC channel */
  168. #define DAC_TRIGGER_T9_TRGO             (                 DAC_CR_TSEL1_1 | DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM9 TRGO selected as external conversion trigger for DAC channel */
  169. #define DAC_TRIGGER_T2_TRGO             (DAC_CR_TSEL1_2                                   | DAC_CR_TEN1) /*!< TIM2 TRGO selected as external conversion trigger for DAC channel */
  170. #define DAC_TRIGGER_T4_TRGO             (DAC_CR_TSEL1_2                  | DAC_CR_TSEL1_0 | DAC_CR_TEN1) /*!< TIM4 TRGO selected as external conversion trigger for DAC channel */
  171. #define DAC_TRIGGER_EXT_IT9             (DAC_CR_TSEL1_2 | DAC_CR_TSEL1_1                  | DAC_CR_TEN1) /*!< EXTI Line9 event selected as external conversion trigger for DAC channel */
  172. #define DAC_TRIGGER_SOFTWARE            (DAC_CR_TSEL1                                     | DAC_CR_TEN1) /*!< Conversion started by software trigger for DAC channel */
  173.  
  174. /**
  175.   * @}
  176.   */
  177.  
  178. /** @defgroup DAC_output_buffer DAC output buffer
  179.   * @{
  180.   */
  181. #define DAC_OUTPUTBUFFER_ENABLE            0x00000000U
  182. #define DAC_OUTPUTBUFFER_DISABLE           (DAC_CR_BOFF1)
  183.  
  184. /**
  185.   * @}
  186.   */
  187.  
  188. /** @defgroup DAC_Channel_selection DAC Channel selection
  189.   * @{
  190.   */
  191. #define DAC_CHANNEL_1                      0x00000000U
  192. #define DAC_CHANNEL_2                      0x00000010U
  193. /**
  194.   * @}
  195.   */
  196.  
  197. /** @defgroup DAC_data_alignment DAC data alignment
  198.   * @{
  199.   */
  200. #define DAC_ALIGN_12B_R                    0x00000000U
  201. #define DAC_ALIGN_12B_L                    0x00000004U
  202. #define DAC_ALIGN_8B_R                     0x00000008U
  203.  
  204. /**
  205.   * @}
  206.   */
  207.  
  208. /** @defgroup DAC_flags_definition DAC flags definition
  209.   * @{
  210.   */
  211. #define DAC_FLAG_DMAUDR1                   (DAC_SR_DMAUDR1)
  212. #define DAC_FLAG_DMAUDR2                   (DAC_SR_DMAUDR2)
  213.  
  214. /**
  215.   * @}
  216.   */
  217.  
  218. /** @defgroup DAC_IT_definition  DAC IT definition
  219.   * @{
  220.   */
  221. #define DAC_IT_DMAUDR1                   (DAC_SR_DMAUDR1)
  222. #define DAC_IT_DMAUDR2                   (DAC_SR_DMAUDR2)
  223.  
  224. /**
  225.   * @}
  226.   */
  227.  
  228. /**
  229.   * @}
  230.   */
  231.  
  232. /* Exported macro ------------------------------------------------------------*/
  233.  
  234. /** @defgroup DAC_Exported_Macros DAC Exported Macros
  235.   * @{
  236.   */
  237.  
  238. /** @brief Reset DAC handle state.
  239.   * @param  __HANDLE__ specifies the DAC handle.
  240.   * @retval None
  241.   */
  242. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  243. #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) do {                                                        \
  244.                                                       (__HANDLE__)->State             = HAL_DAC_STATE_RESET; \
  245.                                                       (__HANDLE__)->MspInitCallback   = NULL;                  \
  246.                                                       (__HANDLE__)->MspDeInitCallback = NULL;                  \
  247.                                                      } while(0)
  248. #else
  249. #define __HAL_DAC_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_DAC_STATE_RESET)
  250. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  251.  
  252. /** @brief Enable the DAC channel.
  253.   * @param  __HANDLE__ specifies the DAC handle.
  254.   * @param  __DAC_Channel__ specifies the DAC channel
  255.   * @retval None
  256.   */
  257. #define __HAL_DAC_ENABLE(__HANDLE__, __DAC_Channel__) \
  258.   ((__HANDLE__)->Instance->CR |=  (DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
  259.  
  260. /** @brief Disable the DAC channel.
  261.   * @param  __HANDLE__ specifies the DAC handle
  262.   * @param  __DAC_Channel__ specifies the DAC channel.
  263.   * @retval None
  264.   */
  265. #define __HAL_DAC_DISABLE(__HANDLE__, __DAC_Channel__) \
  266.   ((__HANDLE__)->Instance->CR &=  ~(DAC_CR_EN1 << ((__DAC_Channel__) & 0x10UL)))
  267.  
  268. /** @brief Set DHR12R1 alignment.
  269.   * @param  __ALIGNMENT__ specifies the DAC alignment
  270.   * @retval None
  271.   */
  272. #define DAC_DHR12R1_ALIGNMENT(__ALIGNMENT__) (0x00000008U + (__ALIGNMENT__))
  273.  
  274. /** @brief  Set DHR12R2 alignment.
  275.   * @param  __ALIGNMENT__ specifies the DAC alignment
  276.   * @retval None
  277.   */
  278. #define DAC_DHR12R2_ALIGNMENT(__ALIGNMENT__) (0x00000014U + (__ALIGNMENT__))
  279.  
  280. /** @brief  Set DHR12RD alignment.
  281.   * @param  __ALIGNMENT__ specifies the DAC alignment
  282.   * @retval None
  283.   */
  284. #define DAC_DHR12RD_ALIGNMENT(__ALIGNMENT__) (0x00000020U + (__ALIGNMENT__))
  285.  
  286. /** @brief Enable the DAC interrupt.
  287.   * @param  __HANDLE__ specifies the DAC handle
  288.   * @param  __INTERRUPT__ specifies the DAC interrupt.
  289.   *          This parameter can be any combination of the following values:
  290.   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
  291.   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
  292.   * @retval None
  293.   */
  294. #define __HAL_DAC_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) |= (__INTERRUPT__))
  295.  
  296. /** @brief Disable the DAC interrupt.
  297.   * @param  __HANDLE__ specifies the DAC handle
  298.   * @param  __INTERRUPT__ specifies the DAC interrupt.
  299.   *          This parameter can be any combination of the following values:
  300.   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
  301.   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
  302.   * @retval None
  303.   */
  304. #define __HAL_DAC_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR) &= ~(__INTERRUPT__))
  305.  
  306. /** @brief  Check whether the specified DAC interrupt source is enabled or not.
  307.   * @param __HANDLE__ DAC handle
  308.   * @param __INTERRUPT__ DAC interrupt source to check
  309.   *          This parameter can be any combination of the following values:
  310.   *            @arg DAC_IT_DMAUDR1: DAC channel 1 DMA underrun interrupt
  311.   *            @arg DAC_IT_DMAUDR2: DAC channel 2 DMA underrun interrupt
  312.   * @retval State of interruption (SET or RESET)
  313.   */
  314. #define __HAL_DAC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CR & (__INTERRUPT__)) == (__INTERRUPT__))
  315.  
  316. /** @brief  Get the selected DAC's flag status.
  317.   * @param  __HANDLE__ specifies the DAC handle.
  318.   * @param  __FLAG__ specifies the DAC flag to get.
  319.   *          This parameter can be any combination of the following values:
  320.   *            @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag
  321.   *            @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag
  322.   * @retval None
  323.   */
  324. #define __HAL_DAC_GET_FLAG(__HANDLE__, __FLAG__) ((((__HANDLE__)->Instance->SR) & (__FLAG__)) == (__FLAG__))
  325.  
  326. /** @brief  Clear the DAC's flag.
  327.   * @param  __HANDLE__ specifies the DAC handle.
  328.   * @param  __FLAG__ specifies the DAC flag to clear.
  329.   *          This parameter can be any combination of the following values:
  330.   *            @arg DAC_FLAG_DMAUDR1: DAC channel 1 DMA underrun flag
  331.   *            @arg DAC_FLAG_DMAUDR2: DAC channel 2 DMA underrun flag
  332.   * @retval None
  333.   */
  334. #define __HAL_DAC_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = (__FLAG__))
  335.  
  336. /**
  337.   * @}
  338.   */
  339.  
  340. /* Private macro -------------------------------------------------------------*/
  341.  
  342. /** @defgroup DAC_Private_Macros DAC Private Macros
  343.   * @{
  344.   */
  345. #define IS_DAC_OUTPUT_BUFFER_STATE(STATE) (((STATE) == DAC_OUTPUTBUFFER_ENABLE) || \
  346.                                            ((STATE) == DAC_OUTPUTBUFFER_DISABLE))
  347.  
  348. #define IS_DAC_CHANNEL(CHANNEL) (((CHANNEL) == DAC_CHANNEL_1) || \
  349.                                  ((CHANNEL) == DAC_CHANNEL_2))
  350.  
  351. #define IS_DAC_ALIGN(ALIGN) (((ALIGN) == DAC_ALIGN_12B_R) || \
  352.                              ((ALIGN) == DAC_ALIGN_12B_L) || \
  353.                              ((ALIGN) == DAC_ALIGN_8B_R))
  354.  
  355. #define IS_DAC_DATA(DATA) ((DATA) <= 0xFFF0U)
  356.  
  357. /**
  358.   * @}
  359.   */
  360.  
  361. /* Include DAC HAL Extended module */
  362. #include "stm32l1xx_hal_dac_ex.h"
  363.  
  364. /* Exported functions --------------------------------------------------------*/
  365.  
  366. /** @addtogroup DAC_Exported_Functions
  367.   * @{
  368.   */
  369.  
  370. /** @addtogroup DAC_Exported_Functions_Group1
  371.   * @{
  372.   */
  373. /* Initialization and de-initialization functions *****************************/
  374. HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef *hdac);
  375. HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef *hdac);
  376. void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac);
  377. void HAL_DAC_MspDeInit(DAC_HandleTypeDef *hdac);
  378.  
  379. /**
  380.   * @}
  381.   */
  382.  
  383. /** @addtogroup DAC_Exported_Functions_Group2
  384.   * @{
  385.   */
  386. /* IO operation functions *****************************************************/
  387. HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef *hdac, uint32_t Channel);
  388. HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef *hdac, uint32_t Channel);
  389. HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t *pData, uint32_t Length,
  390.                                     uint32_t Alignment);
  391. HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef *hdac, uint32_t Channel);
  392.  
  393. void HAL_DAC_IRQHandler(DAC_HandleTypeDef *hdac);
  394.  
  395. HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data);
  396.  
  397. void HAL_DAC_ConvCpltCallbackCh1(DAC_HandleTypeDef *hdac);
  398. void HAL_DAC_ConvHalfCpltCallbackCh1(DAC_HandleTypeDef *hdac);
  399. void HAL_DAC_ErrorCallbackCh1(DAC_HandleTypeDef *hdac);
  400. void HAL_DAC_DMAUnderrunCallbackCh1(DAC_HandleTypeDef *hdac);
  401.  
  402. #if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  403. /* DAC callback registering/unregistering */
  404. HAL_StatusTypeDef     HAL_DAC_RegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID,
  405.                                                pDAC_CallbackTypeDef pCallback);
  406. HAL_StatusTypeDef     HAL_DAC_UnRegisterCallback(DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID);
  407. #endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  408.  
  409. /**
  410.   * @}
  411.   */
  412.  
  413. /** @addtogroup DAC_Exported_Functions_Group3
  414.   * @{
  415.   */
  416. /* Peripheral Control functions ***********************************************/
  417. uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef *hdac, uint32_t Channel);
  418.  
  419. HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef *hdac, DAC_ChannelConfTypeDef *sConfig, uint32_t Channel);
  420. /**
  421.   * @}
  422.   */
  423.  
  424. /** @addtogroup DAC_Exported_Functions_Group4
  425.   * @{
  426.   */
  427. /* Peripheral State and Error functions ***************************************/
  428. HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef *hdac);
  429. uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac);
  430.  
  431. /**
  432.   * @}
  433.   */
  434.  
  435. /**
  436.   * @}
  437.   */
  438.  
  439. /** @defgroup DAC_Private_Functions DAC Private Functions
  440.   * @{
  441.   */
  442. void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
  443. void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
  444. void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma);
  445. /**
  446.   * @}
  447.   */
  448.  
  449. /**
  450.   * @}
  451.   */
  452.  
  453. #endif /* DAC1 */
  454.  
  455. /**
  456.   * @}
  457.   */
  458.  
  459. #ifdef __cplusplus
  460. }
  461. #endif
  462.  
  463.  
  464. #endif /*STM32L1xx_HAL_DAC_H */
  465.  
  466. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  467.  
  468.