1
0

stm32h7xx_ll_usb.h 19 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465
  1. /**
  2. ******************************************************************************
  3. * @file stm32h7xx_ll_usb.h
  4. * @author MCD Application Team
  5. * @version V1.0.0
  6. * @date 21-April-2017
  7. * @brief Header file of USB Core HAL module.
  8. ******************************************************************************
  9. * @attention
  10. *
  11. * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
  12. *
  13. * Redistribution and use in source and binary forms, with or without modification,
  14. * are permitted provided that the following conditions are met:
  15. * 1. Redistributions of source code must retain the above copyright notice,
  16. * this list of conditions and the following disclaimer.
  17. * 2. Redistributions in binary form must reproduce the above copyright notice,
  18. * this list of conditions and the following disclaimer in the documentation
  19. * and/or other materials provided with the distribution.
  20. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  21. * may be used to endorse or promote products derived from this software
  22. * without specific prior written permission.
  23. *
  24. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. ******************************************************************************
  36. */
  37. /* Define to prevent recursive inclusion -------------------------------------*/
  38. #ifndef __STM32H7xx_LL_USB_H
  39. #define __STM32H7xx_LL_USB_H
  40. #ifdef __cplusplus
  41. extern "C" {
  42. #endif
  43. /* Includes ------------------------------------------------------------------*/
  44. #include "stm32h7xx_hal_def.h"
  45. /** @addtogroup STM32H7xx_HAL
  46. * @{
  47. */
  48. /** @addtogroup USB_Core
  49. * @{
  50. */
  51. /* Exported types ------------------------------------------------------------*/
  52. /**
  53. * @brief USB Mode definition
  54. */
  55. typedef enum
  56. {
  57. USB_OTG_DEVICE_MODE = 0,
  58. USB_OTG_HOST_MODE = 1,
  59. USB_OTG_DRD_MODE = 2
  60. }USB_OTG_ModeTypeDef;
  61. /**
  62. * @brief URB States definition
  63. */
  64. typedef enum {
  65. URB_IDLE = 0,
  66. URB_DONE,
  67. URB_NOTREADY,
  68. URB_NYET,
  69. URB_ERROR,
  70. URB_STALL
  71. }USB_OTG_URBStateTypeDef;
  72. /**
  73. * @brief Host channel States definition
  74. */
  75. typedef enum {
  76. HC_IDLE = 0,
  77. HC_XFRC,
  78. HC_HALTED,
  79. HC_NAK,
  80. HC_NYET,
  81. HC_STALL,
  82. HC_XACTERR,
  83. HC_BBLERR,
  84. HC_DATATGLERR
  85. }USB_OTG_HCStateTypeDef;
  86. /**
  87. * @brief PCD Initialization Structure definition
  88. */
  89. typedef struct
  90. {
  91. uint32_t dev_endpoints; /*!< Device Endpoints number.
  92. This parameter depends on the used USB core.
  93. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  94. uint32_t Host_channels; /*!< Host Channels number.
  95. This parameter Depends on the used USB core.
  96. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  97. uint32_t speed; /*!< USB Core speed.
  98. This parameter can be any value of @ref USB_Core_Speed_ */
  99. uint32_t dma_enable; /*!< Enable or disable of the USB embedded DMA. */
  100. uint32_t ep0_mps; /*!< Set the Endpoint 0 Max Packet size.
  101. This parameter can be any value of @ref USB_EP0_MPS_ */
  102. uint32_t phy_itface; /*!< Select the used PHY interface.
  103. This parameter can be any value of @ref USB_Core_PHY_ */
  104. uint32_t Sof_enable; /*!< Enable or disable the output of the SOF signal. */
  105. uint32_t low_power_enable; /*!< Enable or disable the low power mode. */
  106. uint32_t battery_charging_enable; /*!< Enable or disable Battery charging. */
  107. uint32_t lpm_enable; /*!< Enable or disable Link Power Management. */
  108. uint32_t vbus_sensing_enable; /*!< Enable or disable the VBUS Sensing feature. */
  109. uint32_t use_dedicated_ep1; /*!< Enable or disable the use of the dedicated EP1 interrupt. */
  110. uint32_t use_external_vbus; /*!< Enable or disable the use of the external VBUS. */
  111. }USB_OTG_CfgTypeDef;
  112. typedef struct
  113. {
  114. uint8_t num; /*!< Endpoint number
  115. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  116. uint8_t is_in; /*!< Endpoint direction
  117. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  118. uint8_t is_stall; /*!< Endpoint stall condition
  119. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  120. uint8_t type; /*!< Endpoint type
  121. This parameter can be any value of @ref USB_EP_Type_ */
  122. uint8_t data_pid_start; /*!< Initial data PID
  123. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  124. uint8_t even_odd_frame; /*!< IFrame parity
  125. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  126. uint16_t tx_fifo_num; /*!< Transmission FIFO number
  127. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  128. uint32_t maxpacket; /*!< Endpoint Max packet size
  129. This parameter must be a number between Min_Data = 0 and Max_Data = 64KB */
  130. uint8_t *xfer_buff; /*!< Pointer to transfer buffer */
  131. uint32_t dma_addr; /*!< 32 bits aligned transfer buffer address */
  132. uint32_t xfer_len; /*!< Current transfer length */
  133. uint32_t xfer_count; /*!< Partial transfer length in case of multi packet transfer */
  134. }USB_OTG_EPTypeDef;
  135. typedef struct
  136. {
  137. uint8_t dev_addr ; /*!< USB device address.
  138. This parameter must be a number between Min_Data = 1 and Max_Data = 255 */
  139. uint8_t ch_num; /*!< Host channel number.
  140. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  141. uint8_t ep_num; /*!< Endpoint number.
  142. This parameter must be a number between Min_Data = 1 and Max_Data = 15 */
  143. uint8_t ep_is_in; /*!< Endpoint direction
  144. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  145. uint8_t speed; /*!< USB Host speed.
  146. This parameter can be any value of @ref USB_Core_Speed_ */
  147. uint8_t do_ping; /*!< Enable or disable the use of the PING protocol for HS mode. */
  148. uint8_t process_ping; /*!< Execute the PING protocol for HS mode. */
  149. uint8_t ep_type; /*!< Endpoint Type.
  150. This parameter can be any value of @ref USB_EP_Type_ */
  151. uint16_t max_packet; /*!< Endpoint Max packet size.
  152. This parameter must be a number between Min_Data = 0 and Max_Data = 64KB */
  153. uint8_t data_pid; /*!< Initial data PID.
  154. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  155. uint8_t *xfer_buff; /*!< Pointer to transfer buffer. */
  156. uint32_t xfer_len; /*!< Current transfer length. */
  157. uint32_t xfer_count; /*!< Partial transfer length in case of multi packet transfer. */
  158. uint8_t toggle_in; /*!< IN transfer current toggle flag.
  159. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  160. uint8_t toggle_out; /*!< OUT transfer current toggle flag
  161. This parameter must be a number between Min_Data = 0 and Max_Data = 1 */
  162. uint32_t dma_addr; /*!< 32 bits aligned transfer buffer address. */
  163. uint32_t ErrCnt; /*!< Host channel error count.*/
  164. USB_OTG_URBStateTypeDef urb_state; /*!< URB state.
  165. This parameter can be any value of @ref USB_OTG_URBStateTypeDef */
  166. USB_OTG_HCStateTypeDef state; /*!< Host Channel state.
  167. This parameter can be any value of @ref USB_OTG_HCStateTypeDef */
  168. }USB_OTG_HCTypeDef;
  169. /* Exported constants --------------------------------------------------------*/
  170. /** @defgroup PCD_Exported_Constants PCD Exported Constants
  171. * @{
  172. */
  173. /** @defgroup USB_Core_Mode_ USB Core Mode
  174. * @{
  175. */
  176. #define USB_OTG_MODE_DEVICE 0
  177. #define USB_OTG_MODE_HOST 1
  178. #define USB_OTG_MODE_DRD 2
  179. /**
  180. * @}
  181. */
  182. /** @defgroup USB_Core_Speed_ USB Core Speed
  183. * @{
  184. */
  185. #define USB_OTG_SPEED_HIGH 0
  186. #define USB_OTG_SPEED_HIGH_IN_FULL 1
  187. #define USB_OTG_SPEED_LOW 2
  188. #define USB_OTG_SPEED_FULL 3
  189. /**
  190. * @}
  191. */
  192. /** @defgroup USB_Core_PHY_ USB Core PHY
  193. * @{
  194. */
  195. #define USB_OTG_ULPI_PHY 1
  196. #define USB_OTG_EMBEDDED_PHY 2
  197. /**
  198. * @}
  199. */
  200. /** @defgroup USB_Core_MPS_ USB Core MPS
  201. * @{
  202. */
  203. #define USB_OTG_HS_MAX_PACKET_SIZE 512
  204. #define USB_OTG_FS_MAX_PACKET_SIZE 64
  205. #define USB_OTG_MAX_EP0_SIZE 64
  206. /**
  207. * @}
  208. */
  209. /** @defgroup USB_Core_Phy_Frequency_ USB Core Phy Frequency
  210. * @{
  211. */
  212. #define DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ (0 << 1)
  213. #define DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ (1 << 1)
  214. #define DSTS_ENUMSPD_LS_PHY_6MHZ (2 << 1)
  215. #define DSTS_ENUMSPD_FS_PHY_48MHZ (3 << 1)
  216. /**
  217. * @}
  218. */
  219. /** @defgroup USB_CORE_Frame_Interval_ USB CORE Frame Interval
  220. * @{
  221. */
  222. #define DCFG_FRAME_INTERVAL_80 0
  223. #define DCFG_FRAME_INTERVAL_85 1
  224. #define DCFG_FRAME_INTERVAL_90 2
  225. #define DCFG_FRAME_INTERVAL_95 3
  226. /**
  227. * @}
  228. */
  229. /** @defgroup USB_EP0_MPS_ USB EP0 MPS
  230. * @{
  231. */
  232. #define DEP0CTL_MPS_64 0
  233. #define DEP0CTL_MPS_32 1
  234. #define DEP0CTL_MPS_16 2
  235. #define DEP0CTL_MPS_8 3
  236. /**
  237. * @}
  238. */
  239. /** @defgroup USB_EP_Speed_ USB EP Speed
  240. * @{
  241. */
  242. #define EP_SPEED_LOW 0
  243. #define EP_SPEED_FULL 1
  244. #define EP_SPEED_HIGH 2
  245. /**
  246. * @}
  247. */
  248. /** @defgroup USB_EP_Type_ USB EP Type
  249. * @{
  250. */
  251. #define EP_TYPE_CTRL 0
  252. #define EP_TYPE_ISOC 1
  253. #define EP_TYPE_BULK 2
  254. #define EP_TYPE_INTR 3
  255. #define EP_TYPE_MSK 3
  256. /**
  257. * @}
  258. */
  259. /** @defgroup USB_STS_Defines_ USB STS Defines
  260. * @{
  261. */
  262. #define STS_GOUT_NAK 1
  263. #define STS_DATA_UPDT 2
  264. #define STS_XFER_COMP 3
  265. #define STS_SETUP_COMP 4
  266. #define STS_SETUP_UPDT 6
  267. /**
  268. * @}
  269. */
  270. /** @defgroup HCFG_SPEED_Defines_ HCFG SPEED Defines
  271. * @{
  272. */
  273. #define HCFG_30_60_MHZ 0
  274. #define HCFG_48_MHZ 1
  275. #define HCFG_6_MHZ 2
  276. /**
  277. * @}
  278. */
  279. /** @defgroup HPRT0_PRTSPD_SPEED_Defines_ HPRT0 PRTSPD SPEED Defines
  280. * @{
  281. */
  282. #define HPRT0_PRTSPD_HIGH_SPEED 0
  283. #define HPRT0_PRTSPD_FULL_SPEED 1
  284. #define HPRT0_PRTSPD_LOW_SPEED 2
  285. /**
  286. * @}
  287. */
  288. #define HCCHAR_CTRL 0
  289. #define HCCHAR_ISOC 1
  290. #define HCCHAR_BULK 2
  291. #define HCCHAR_INTR 3
  292. #define HC_PID_DATA0 0
  293. #define HC_PID_DATA2 1
  294. #define HC_PID_DATA1 2
  295. #define HC_PID_SETUP 3
  296. #define GRXSTS_PKTSTS_IN 2
  297. #define GRXSTS_PKTSTS_IN_XFER_COMP 3
  298. #define GRXSTS_PKTSTS_DATA_TOGGLE_ERR 5
  299. #define GRXSTS_PKTSTS_CH_HALTED 7
  300. #define USBx_PCGCCTL *(__IO uint32_t *)((uint32_t)USBx + USB_OTG_PCGCCTL_BASE)
  301. #define USBx_HPRT0 *(__IO uint32_t *)((uint32_t)USBx + USB_OTG_HOST_PORT_BASE)
  302. #define USBx_DEVICE ((USB_OTG_DeviceTypeDef *)((uint32_t )USBx + USB_OTG_DEVICE_BASE))
  303. #define USBx_INEP(i) ((USB_OTG_INEndpointTypeDef *)((uint32_t)USBx + USB_OTG_IN_ENDPOINT_BASE + (i)*USB_OTG_EP_REG_SIZE))
  304. #define USBx_OUTEP(i) ((USB_OTG_OUTEndpointTypeDef *)((uint32_t)USBx + USB_OTG_OUT_ENDPOINT_BASE + (i)*USB_OTG_EP_REG_SIZE))
  305. #define USBx_DFIFO(i) *(__IO uint32_t *)((uint32_t)USBx + USB_OTG_FIFO_BASE + (i) * USB_OTG_FIFO_SIZE)
  306. #define USBx_HOST ((USB_OTG_HostTypeDef *)((uint32_t )USBx + USB_OTG_HOST_BASE))
  307. #define USBx_HC(i) ((USB_OTG_HostChannelTypeDef *)((uint32_t)USBx + USB_OTG_HOST_CHANNEL_BASE + (i)*USB_OTG_HOST_CHANNEL_SIZE))
  308. /**
  309. * @}
  310. */
  311. /* Exported macro ------------------------------------------------------------*/
  312. #define USB_MASK_INTERRUPT(__INSTANCE__, __INTERRUPT__) ((__INSTANCE__)->GINTMSK &= ~(__INTERRUPT__))
  313. #define USB_UNMASK_INTERRUPT(__INSTANCE__, __INTERRUPT__) ((__INSTANCE__)->GINTMSK |= (__INTERRUPT__))
  314. #define CLEAR_IN_EP_INTR(__EPNUM__, __INTERRUPT__) (USBx_INEP(__EPNUM__)->DIEPINT = (__INTERRUPT__))
  315. #define CLEAR_OUT_EP_INTR(__EPNUM__, __INTERRUPT__) (USBx_OUTEP(__EPNUM__)->DOEPINT = (__INTERRUPT__))
  316. /* Exported functions --------------------------------------------------------*/
  317. HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef Init);
  318. HAL_StatusTypeDef USB_DevInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef Init);
  319. HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx);
  320. HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx);
  321. HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx , USB_OTG_ModeTypeDef mode);
  322. HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx , uint8_t speed);
  323. HAL_StatusTypeDef USB_FlushRxFifo (USB_OTG_GlobalTypeDef *USBx);
  324. HAL_StatusTypeDef USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num );
  325. HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep);
  326. HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep);
  327. HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep);
  328. HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef *USBx, USB_OTG_EPTypeDef *ep);
  329. HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep, uint8_t dma);
  330. HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep, uint8_t dma);
  331. HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *src, uint8_t ch_ep_num, uint16_t len, uint8_t dma);
  332. void * USB_ReadPacket(USB_OTG_GlobalTypeDef *USBx, uint8_t *dest, uint16_t len);
  333. HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep);
  334. HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef *USBx , USB_OTG_EPTypeDef *ep);
  335. HAL_StatusTypeDef USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address);
  336. HAL_StatusTypeDef USB_DevConnect (USB_OTG_GlobalTypeDef *USBx);
  337. HAL_StatusTypeDef USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx);
  338. HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx);
  339. HAL_StatusTypeDef USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx);
  340. HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef *USBx, uint8_t dma, uint8_t *psetup);
  341. uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx);
  342. uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx);
  343. uint32_t USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx);
  344. uint32_t USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx);
  345. uint32_t USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum);
  346. uint32_t USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx);
  347. uint32_t USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum);
  348. void USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt);
  349. HAL_StatusTypeDef USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg);
  350. HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx , uint8_t freq);
  351. HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx);
  352. HAL_StatusTypeDef USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state);
  353. uint32_t USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx);
  354. uint32_t USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx);
  355. HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx,
  356. uint8_t ch_num,
  357. uint8_t epnum,
  358. uint8_t dev_address,
  359. uint8_t speed,
  360. uint8_t ep_type,
  361. uint16_t mps);
  362. HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef *USBx, USB_OTG_HCTypeDef *hc, uint8_t dma);
  363. uint32_t USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx);
  364. HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx , uint8_t hc_num);
  365. HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx , uint8_t ch_num);
  366. HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx);
  367. /**
  368. * @}
  369. */
  370. /**
  371. * @}
  372. */
  373. #ifdef __cplusplus
  374. }
  375. #endif
  376. #endif /* __STM32H7xx_LL_USB_H */
  377. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/