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HAL_L476/stm32l4xx_ll_usb.c@1:d0dfbce63a89, 2017-02-24 (annotated)

Committer:: elmot
Date:: Fri Feb 24 21:13:56 2017 +0000
Revision:: 1:d0dfbce63a89

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elmot	1:d0dfbce63a89	1	/**
elmot	1:d0dfbce63a89	2	******************************************************************************
elmot	1:d0dfbce63a89	3	* @file stm32l4xx_ll_usb.c
elmot	1:d0dfbce63a89	4	* @author MCD Application Team
elmot	1:d0dfbce63a89	5	* @version V1.5.1
elmot	1:d0dfbce63a89	6	* @date 31-May-2016
elmot	1:d0dfbce63a89	7	* @brief USB Low Layer HAL module driver.
elmot	1:d0dfbce63a89	8	*
elmot	1:d0dfbce63a89	9	* This file provides firmware functions to manage the following
elmot	1:d0dfbce63a89	10	* functionalities of the USB Peripheral Controller:
elmot	1:d0dfbce63a89	11	* + Initialization/de-initialization functions
elmot	1:d0dfbce63a89	12	* + I/O operation functions
elmot	1:d0dfbce63a89	13	* + Peripheral Control functions
elmot	1:d0dfbce63a89	14	* + Peripheral State functions
elmot	1:d0dfbce63a89	15	*
elmot	1:d0dfbce63a89	16	@verbatim
elmot	1:d0dfbce63a89	17	==============================================================================
elmot	1:d0dfbce63a89	18	##### How to use this driver #####
elmot	1:d0dfbce63a89	19	==============================================================================
elmot	1:d0dfbce63a89	20	[..]
elmot	1:d0dfbce63a89	21	(#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure.
elmot	1:d0dfbce63a89	22
elmot	1:d0dfbce63a89	23	(#) Call USB_CoreInit() API to initialize the USB Core peripheral.
elmot	1:d0dfbce63a89	24
elmot	1:d0dfbce63a89	25	(#) The upper HAL HCD/PCD driver will call the right routines for its internal processes.
elmot	1:d0dfbce63a89	26
elmot	1:d0dfbce63a89	27	@endverbatim
elmot	1:d0dfbce63a89	28	******************************************************************************
elmot	1:d0dfbce63a89	29	* @attention
elmot	1:d0dfbce63a89	30	*
elmot	1:d0dfbce63a89	31	* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
elmot	1:d0dfbce63a89	32	*
elmot	1:d0dfbce63a89	33	* Redistribution and use in source and binary forms, with or without modification,
elmot	1:d0dfbce63a89	34	* are permitted provided that the following conditions are met:
elmot	1:d0dfbce63a89	35	* 1. Redistributions of source code must retain the above copyright notice,
elmot	1:d0dfbce63a89	36	* this list of conditions and the following disclaimer.
elmot	1:d0dfbce63a89	37	* 2. Redistributions in binary form must reproduce the above copyright notice,
elmot	1:d0dfbce63a89	38	* this list of conditions and the following disclaimer in the documentation
elmot	1:d0dfbce63a89	39	* and/or other materials provided with the distribution.
elmot	1:d0dfbce63a89	40	* 3. Neither the name of STMicroelectronics nor the names of its contributors
elmot	1:d0dfbce63a89	41	* may be used to endorse or promote products derived from this software
elmot	1:d0dfbce63a89	42	* without specific prior written permission.
elmot	1:d0dfbce63a89	43	*
elmot	1:d0dfbce63a89	44	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
elmot	1:d0dfbce63a89	45	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
elmot	1:d0dfbce63a89	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
elmot	1:d0dfbce63a89	47	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
elmot	1:d0dfbce63a89	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
elmot	1:d0dfbce63a89	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
elmot	1:d0dfbce63a89	50	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
elmot	1:d0dfbce63a89	51	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
elmot	1:d0dfbce63a89	52	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
elmot	1:d0dfbce63a89	53	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
elmot	1:d0dfbce63a89	54	*
elmot	1:d0dfbce63a89	55	******************************************************************************
elmot	1:d0dfbce63a89	56	*/
elmot	1:d0dfbce63a89	57
elmot	1:d0dfbce63a89	58	/* Includes ------------------------------------------------------------------*/
elmot	1:d0dfbce63a89	59	#include "stm32l4xx_hal.h"
elmot	1:d0dfbce63a89	60
elmot	1:d0dfbce63a89	61	/** @defgroup USB_LL USB Low Layer
elmot	1:d0dfbce63a89	62	* @brief Low layer module for USB_FS and USB_OTG_FS drivers
elmot	1:d0dfbce63a89	63	* @{
elmot	1:d0dfbce63a89	64	*/
elmot	1:d0dfbce63a89	65	#if defined (HAL_PCD_MODULE_ENABLED) \|\| defined (HAL_HCD_MODULE_ENABLED)
elmot	1:d0dfbce63a89	66
elmot	1:d0dfbce63a89	67	#if defined(STM32L475xx) \|\| defined(STM32L476xx) \|\| \
elmot	1:d0dfbce63a89	68	defined(STM32L485xx) \|\| defined(STM32L486xx) \|\| \
elmot	1:d0dfbce63a89	69	defined(STM32L432xx) \|\| defined(STM32L433xx) \|\| \
elmot	1:d0dfbce63a89	70	defined(STM32L442xx) \|\| defined(STM32L443xx)
elmot	1:d0dfbce63a89	71
elmot	1:d0dfbce63a89	72	/** @addtogroup STM32L4xx_LL_USB_DRIVER
elmot	1:d0dfbce63a89	73	* @{
elmot	1:d0dfbce63a89	74	*/
elmot	1:d0dfbce63a89	75
elmot	1:d0dfbce63a89	76
elmot	1:d0dfbce63a89	77
elmot	1:d0dfbce63a89	78	/* Private typedef -----------------------------------------------------------*/
elmot	1:d0dfbce63a89	79	/* Private define ------------------------------------------------------------*/
elmot	1:d0dfbce63a89	80	/* Private macro -------------------------------------------------------------*/
elmot	1:d0dfbce63a89	81	/* Private variables ---------------------------------------------------------*/
elmot	1:d0dfbce63a89	82	/* Private function prototypes -----------------------------------------------*/
elmot	1:d0dfbce63a89	83	/* Private functions ---------------------------------------------------------*/
elmot	1:d0dfbce63a89	84	#if defined (USB_OTG_FS)
elmot	1:d0dfbce63a89	85	/** @defgroup USB_LL_Private_Functions USB Low Layer Private Functions
elmot	1:d0dfbce63a89	86	* @{
elmot	1:d0dfbce63a89	87	*/
elmot	1:d0dfbce63a89	88	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx);
elmot	1:d0dfbce63a89	89	/**
elmot	1:d0dfbce63a89	90	* @}
elmot	1:d0dfbce63a89	91	*/
elmot	1:d0dfbce63a89	92	#endif /* USB_OTG_FS */
elmot	1:d0dfbce63a89	93	/* Exported functions --------------------------------------------------------*/
elmot	1:d0dfbce63a89	94
elmot	1:d0dfbce63a89	95	/** @defgroup LL_USB_Exported_Functions USB Low Layer Exported Functions
elmot	1:d0dfbce63a89	96	* @{
elmot	1:d0dfbce63a89	97	*/
elmot	1:d0dfbce63a89	98
elmot	1:d0dfbce63a89	99	/** @defgroup LL_USB_Group1 Initialization/de-initialization functions
elmot	1:d0dfbce63a89	100	* @brief Initialization and Configuration functions
elmot	1:d0dfbce63a89	101	*
elmot	1:d0dfbce63a89	102	@verbatim
elmot	1:d0dfbce63a89	103	===============================================================================
elmot	1:d0dfbce63a89	104	##### Initialization/de-initialization functions #####
elmot	1:d0dfbce63a89	105	===============================================================================
elmot	1:d0dfbce63a89	106	[..] This section provides functions allowing to:
elmot	1:d0dfbce63a89	107
elmot	1:d0dfbce63a89	108	@endverbatim
elmot	1:d0dfbce63a89	109	* @{
elmot	1:d0dfbce63a89	110	*/
elmot	1:d0dfbce63a89	111	/*==============================================================================
elmot	1:d0dfbce63a89	112	USB OTG FS peripheral available on STM32L475xx, STM32L476xx, STM32L485xx and
elmot	1:d0dfbce63a89	113	STM32L486xx devices
elmot	1:d0dfbce63a89	114	==============================================================================*/
elmot	1:d0dfbce63a89	115	#if defined (USB_OTG_FS)
elmot	1:d0dfbce63a89	116	/**
elmot	1:d0dfbce63a89	117	* @brief Initializes the USB Core
elmot	1:d0dfbce63a89	118	* @param USBx: USB Instance
elmot	1:d0dfbce63a89	119	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
elmot	1:d0dfbce63a89	120	* the configuration information for the specified USBx peripheral.
elmot	1:d0dfbce63a89	121	* @retval HAL status
elmot	1:d0dfbce63a89	122	*/
elmot	1:d0dfbce63a89	123	HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
elmot	1:d0dfbce63a89	124	{
elmot	1:d0dfbce63a89	125	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	126	UNUSED(cfg);
elmot	1:d0dfbce63a89	127
elmot	1:d0dfbce63a89	128	/* Select FS Embedded PHY */
elmot	1:d0dfbce63a89	129	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_PHYSEL;
elmot	1:d0dfbce63a89	130
elmot	1:d0dfbce63a89	131	/* Reset after a PHY select and set Host mode */
elmot	1:d0dfbce63a89	132	USB_CoreReset(USBx);
elmot	1:d0dfbce63a89	133
elmot	1:d0dfbce63a89	134	/* Deactivate the power down*/
elmot	1:d0dfbce63a89	135	USBx->GCCFG = USB_OTG_GCCFG_PWRDWN;
elmot	1:d0dfbce63a89	136
elmot	1:d0dfbce63a89	137	return HAL_OK;
elmot	1:d0dfbce63a89	138	}
elmot	1:d0dfbce63a89	139
elmot	1:d0dfbce63a89	140	/**
elmot	1:d0dfbce63a89	141	* @brief USB_EnableGlobalInt
elmot	1:d0dfbce63a89	142	* Enables the controller's Global Int in the AHB Config reg
elmot	1:d0dfbce63a89	143	* @param USBx: Selected device
elmot	1:d0dfbce63a89	144	* @retval HAL status
elmot	1:d0dfbce63a89	145	*/
elmot	1:d0dfbce63a89	146	HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	147	{
elmot	1:d0dfbce63a89	148	USBx->GAHBCFG \|= USB_OTG_GAHBCFG_GINT;
elmot	1:d0dfbce63a89	149	return HAL_OK;
elmot	1:d0dfbce63a89	150	}
elmot	1:d0dfbce63a89	151
elmot	1:d0dfbce63a89	152
elmot	1:d0dfbce63a89	153	/**
elmot	1:d0dfbce63a89	154	* @brief USB_DisableGlobalInt
elmot	1:d0dfbce63a89	155	* Disable the controller's Global Int in the AHB Config reg
elmot	1:d0dfbce63a89	156	* @param USBx: Selected device
elmot	1:d0dfbce63a89	157	* @retval HAL status
elmot	1:d0dfbce63a89	158	*/
elmot	1:d0dfbce63a89	159	HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	160	{
elmot	1:d0dfbce63a89	161	USBx->GAHBCFG &= ~USB_OTG_GAHBCFG_GINT;
elmot	1:d0dfbce63a89	162	return HAL_OK;
elmot	1:d0dfbce63a89	163	}
elmot	1:d0dfbce63a89	164
elmot	1:d0dfbce63a89	165	/**
elmot	1:d0dfbce63a89	166	* @brief USB_SetCurrentMode : Set functional mode
elmot	1:d0dfbce63a89	167	* @param USBx: Selected device
elmot	1:d0dfbce63a89	168	* @param mode: current core mode
elmot	1:d0dfbce63a89	169	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	170	* @arg USB_OTG_DEVICE_MODE: Peripheral mode
elmot	1:d0dfbce63a89	171	* @arg USB_OTG_HOST_MODE: Host mode
elmot	1:d0dfbce63a89	172	* @arg USB_OTG_DRD_MODE: Dual Role Device mode
elmot	1:d0dfbce63a89	173	* @retval HAL status
elmot	1:d0dfbce63a89	174	*/
elmot	1:d0dfbce63a89	175	HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx , USB_ModeTypeDef mode)
elmot	1:d0dfbce63a89	176	{
elmot	1:d0dfbce63a89	177	USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD \| USB_OTG_GUSBCFG_FDMOD);
elmot	1:d0dfbce63a89	178
elmot	1:d0dfbce63a89	179	if ( mode == USB_HOST_MODE)
elmot	1:d0dfbce63a89	180	{
elmot	1:d0dfbce63a89	181	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FHMOD;
elmot	1:d0dfbce63a89	182	}
elmot	1:d0dfbce63a89	183	else if ( mode == USB_DEVICE_MODE)
elmot	1:d0dfbce63a89	184	{
elmot	1:d0dfbce63a89	185	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FDMOD;
elmot	1:d0dfbce63a89	186	}
elmot	1:d0dfbce63a89	187	HAL_Delay(50);
elmot	1:d0dfbce63a89	188
elmot	1:d0dfbce63a89	189	return HAL_OK;
elmot	1:d0dfbce63a89	190	}
elmot	1:d0dfbce63a89	191
elmot	1:d0dfbce63a89	192	/**
elmot	1:d0dfbce63a89	193	* @brief USB_DevInit : Initializes the USB_OTG controller registers
elmot	1:d0dfbce63a89	194	* for device mode
elmot	1:d0dfbce63a89	195	* @param USBx: Selected device
elmot	1:d0dfbce63a89	196	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
elmot	1:d0dfbce63a89	197	* the configuration information for the specified USBx peripheral.
elmot	1:d0dfbce63a89	198	* @retval HAL status
elmot	1:d0dfbce63a89	199	*/
elmot	1:d0dfbce63a89	200	HAL_StatusTypeDef USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
elmot	1:d0dfbce63a89	201	{
elmot	1:d0dfbce63a89	202	uint32_t index = 0;
elmot	1:d0dfbce63a89	203
elmot	1:d0dfbce63a89	204	/Activate VBUS Sensing B /
elmot	1:d0dfbce63a89	205	USBx->GCCFG \|= USB_OTG_GCCFG_VBDEN;
elmot	1:d0dfbce63a89	206
elmot	1:d0dfbce63a89	207	if (cfg.vbus_sensing_enable == 0)
elmot	1:d0dfbce63a89	208	{
elmot	1:d0dfbce63a89	209	/* Deactivate VBUS Sensing B */
elmot	1:d0dfbce63a89	210	USBx->GCCFG &= ~ USB_OTG_GCCFG_VBDEN;
elmot	1:d0dfbce63a89	211
elmot	1:d0dfbce63a89	212	/* B-peripheral session valid override enable*/
elmot	1:d0dfbce63a89	213	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOEN;
elmot	1:d0dfbce63a89	214	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOVAL;
elmot	1:d0dfbce63a89	215	}
elmot	1:d0dfbce63a89	216
elmot	1:d0dfbce63a89	217	/* Restart the Phy Clock */
elmot	1:d0dfbce63a89	218	USBx_PCGCCTL = 0;
elmot	1:d0dfbce63a89	219
elmot	1:d0dfbce63a89	220	/* Device mode configuration */
elmot	1:d0dfbce63a89	221	USBx_DEVICE->DCFG \|= DCFG_FRAME_INTERVAL_80;
elmot	1:d0dfbce63a89	222
elmot	1:d0dfbce63a89	223	/* Set Full speed phy */
elmot	1:d0dfbce63a89	224	USB_SetDevSpeed (USBx , USB_OTG_SPEED_FULL);
elmot	1:d0dfbce63a89	225
elmot	1:d0dfbce63a89	226	/* Flush the FIFOs */
elmot	1:d0dfbce63a89	227	USB_FlushTxFifo(USBx , 0x10); /* all Tx FIFOs */
elmot	1:d0dfbce63a89	228	USB_FlushRxFifo(USBx);
elmot	1:d0dfbce63a89	229
elmot	1:d0dfbce63a89	230	/* Clear all pending Device Interrupts */
elmot	1:d0dfbce63a89	231	USBx_DEVICE->DIEPMSK = 0;
elmot	1:d0dfbce63a89	232	USBx_DEVICE->DOEPMSK = 0;
elmot	1:d0dfbce63a89	233	USBx_DEVICE->DAINT = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	234	USBx_DEVICE->DAINTMSK = 0;
elmot	1:d0dfbce63a89	235
elmot	1:d0dfbce63a89	236	for (index = 0; index < cfg.dev_endpoints; index++)
elmot	1:d0dfbce63a89	237	{
elmot	1:d0dfbce63a89	238	if ((USBx_INEP(index)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA)
elmot	1:d0dfbce63a89	239	{
elmot	1:d0dfbce63a89	240	USBx_INEP(index)->DIEPCTL = (USB_OTG_DIEPCTL_EPDIS \| USB_OTG_DIEPCTL_SNAK);
elmot	1:d0dfbce63a89	241	}
elmot	1:d0dfbce63a89	242	else
elmot	1:d0dfbce63a89	243	{
elmot	1:d0dfbce63a89	244	USBx_INEP(index)->DIEPCTL = 0;
elmot	1:d0dfbce63a89	245	}
elmot	1:d0dfbce63a89	246
elmot	1:d0dfbce63a89	247	USBx_INEP(index)->DIEPTSIZ = 0;
elmot	1:d0dfbce63a89	248	USBx_INEP(index)->DIEPINT = 0xFF;
elmot	1:d0dfbce63a89	249	}
elmot	1:d0dfbce63a89	250
elmot	1:d0dfbce63a89	251	for (index = 0; index < cfg.dev_endpoints; index++)
elmot	1:d0dfbce63a89	252	{
elmot	1:d0dfbce63a89	253	if ((USBx_OUTEP(index)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
elmot	1:d0dfbce63a89	254	{
elmot	1:d0dfbce63a89	255	USBx_OUTEP(index)->DOEPCTL = (USB_OTG_DOEPCTL_EPDIS \| USB_OTG_DOEPCTL_SNAK);
elmot	1:d0dfbce63a89	256	}
elmot	1:d0dfbce63a89	257	else
elmot	1:d0dfbce63a89	258	{
elmot	1:d0dfbce63a89	259	USBx_OUTEP(index)->DOEPCTL = 0;
elmot	1:d0dfbce63a89	260	}
elmot	1:d0dfbce63a89	261
elmot	1:d0dfbce63a89	262	USBx_OUTEP(index)->DOEPTSIZ = 0;
elmot	1:d0dfbce63a89	263	USBx_OUTEP(index)->DOEPINT = 0xFF;
elmot	1:d0dfbce63a89	264	}
elmot	1:d0dfbce63a89	265
elmot	1:d0dfbce63a89	266	USBx_DEVICE->DIEPMSK &= ~(USB_OTG_DIEPMSK_TXFURM);
elmot	1:d0dfbce63a89	267
elmot	1:d0dfbce63a89	268	if (cfg.dma_enable == 1)
elmot	1:d0dfbce63a89	269	{
elmot	1:d0dfbce63a89	270	/Set threshold parameters /
elmot	1:d0dfbce63a89	271	USBx_DEVICE->DTHRCTL = (USB_OTG_DTHRCTL_TXTHRLEN_6 \| USB_OTG_DTHRCTL_RXTHRLEN_6);
elmot	1:d0dfbce63a89	272	USBx_DEVICE->DTHRCTL \|= (USB_OTG_DTHRCTL_RXTHREN \| USB_OTG_DTHRCTL_ISOTHREN \| USB_OTG_DTHRCTL_NONISOTHREN);
elmot	1:d0dfbce63a89	273
elmot	1:d0dfbce63a89	274	index= USBx_DEVICE->DTHRCTL;
elmot	1:d0dfbce63a89	275	}
elmot	1:d0dfbce63a89	276
elmot	1:d0dfbce63a89	277	/* Disable all interrupts. */
elmot	1:d0dfbce63a89	278	USBx->GINTMSK = 0;
elmot	1:d0dfbce63a89	279
elmot	1:d0dfbce63a89	280	/* Clear any pending interrupts */
elmot	1:d0dfbce63a89	281	USBx->GINTSTS = 0xBFFFFFFF;
elmot	1:d0dfbce63a89	282
elmot	1:d0dfbce63a89	283	/* Enable the common interrupts */
elmot	1:d0dfbce63a89	284	if (cfg.dma_enable == DISABLE)
elmot	1:d0dfbce63a89	285	{
elmot	1:d0dfbce63a89	286	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
elmot	1:d0dfbce63a89	287	}
elmot	1:d0dfbce63a89	288
elmot	1:d0dfbce63a89	289	/* Enable interrupts matching to the Device mode ONLY */
elmot	1:d0dfbce63a89	290	USBx->GINTMSK \|= (USB_OTG_GINTMSK_USBSUSPM \| USB_OTG_GINTMSK_USBRST \|\
elmot	1:d0dfbce63a89	291	USB_OTG_GINTMSK_ENUMDNEM \| USB_OTG_GINTMSK_IEPINT \|\
elmot	1:d0dfbce63a89	292	USB_OTG_GINTMSK_OEPINT \| USB_OTG_GINTMSK_IISOIXFRM\|\
elmot	1:d0dfbce63a89	293	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
elmot	1:d0dfbce63a89	294
elmot	1:d0dfbce63a89	295	if(cfg.Sof_enable)
elmot	1:d0dfbce63a89	296	{
elmot	1:d0dfbce63a89	297	USBx->GINTMSK \|= USB_OTG_GINTMSK_SOFM;
elmot	1:d0dfbce63a89	298	}
elmot	1:d0dfbce63a89	299
elmot	1:d0dfbce63a89	300	if (cfg.vbus_sensing_enable == ENABLE)
elmot	1:d0dfbce63a89	301	{
elmot	1:d0dfbce63a89	302	USBx->GINTMSK \|= (USB_OTG_GINTMSK_SRQIM \| USB_OTG_GINTMSK_OTGINT);
elmot	1:d0dfbce63a89	303	}
elmot	1:d0dfbce63a89	304
elmot	1:d0dfbce63a89	305	return HAL_OK;
elmot	1:d0dfbce63a89	306	}
elmot	1:d0dfbce63a89	307
elmot	1:d0dfbce63a89	308
elmot	1:d0dfbce63a89	309	/**
elmot	1:d0dfbce63a89	310	* @brief USB_OTG_FlushTxFifo : Flush a Tx FIFO
elmot	1:d0dfbce63a89	311	* @param USBx: Selected device
elmot	1:d0dfbce63a89	312	* @param num: FIFO number
elmot	1:d0dfbce63a89	313	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	314	15 means Flush all Tx FIFOs
elmot	1:d0dfbce63a89	315	* @retval HAL status
elmot	1:d0dfbce63a89	316	*/
elmot	1:d0dfbce63a89	317	HAL_StatusTypeDef USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num)
elmot	1:d0dfbce63a89	318	{
elmot	1:d0dfbce63a89	319	uint32_t count = 0;
elmot	1:d0dfbce63a89	320
elmot	1:d0dfbce63a89	321	USBx->GRSTCTL = ( USB_OTG_GRSTCTL_TXFFLSH \|(uint32_t)( num << 6));
elmot	1:d0dfbce63a89	322
elmot	1:d0dfbce63a89	323	do
elmot	1:d0dfbce63a89	324	{
elmot	1:d0dfbce63a89	325	if (++count > 200000)
elmot	1:d0dfbce63a89	326	{
elmot	1:d0dfbce63a89	327	return HAL_TIMEOUT;
elmot	1:d0dfbce63a89	328	}
elmot	1:d0dfbce63a89	329	}
elmot	1:d0dfbce63a89	330	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH);
elmot	1:d0dfbce63a89	331
elmot	1:d0dfbce63a89	332	return HAL_OK;
elmot	1:d0dfbce63a89	333	}
elmot	1:d0dfbce63a89	334
elmot	1:d0dfbce63a89	335
elmot	1:d0dfbce63a89	336	/**
elmot	1:d0dfbce63a89	337	* @brief USB_FlushRxFifo : Flush Rx FIFO
elmot	1:d0dfbce63a89	338	* @param USBx: Selected device
elmot	1:d0dfbce63a89	339	* @retval HAL status
elmot	1:d0dfbce63a89	340	*/
elmot	1:d0dfbce63a89	341	HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	342	{
elmot	1:d0dfbce63a89	343	uint32_t count = 0;
elmot	1:d0dfbce63a89	344
elmot	1:d0dfbce63a89	345	USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH;
elmot	1:d0dfbce63a89	346
elmot	1:d0dfbce63a89	347	do
elmot	1:d0dfbce63a89	348	{
elmot	1:d0dfbce63a89	349	if (++count > 200000)
elmot	1:d0dfbce63a89	350	{
elmot	1:d0dfbce63a89	351	return HAL_TIMEOUT;
elmot	1:d0dfbce63a89	352	}
elmot	1:d0dfbce63a89	353	}
elmot	1:d0dfbce63a89	354	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH);
elmot	1:d0dfbce63a89	355
elmot	1:d0dfbce63a89	356	return HAL_OK;
elmot	1:d0dfbce63a89	357	}
elmot	1:d0dfbce63a89	358
elmot	1:d0dfbce63a89	359	/**
elmot	1:d0dfbce63a89	360	* @brief USB_SetDevSpeed :Initializes the DevSpd field of DCFG register
elmot	1:d0dfbce63a89	361	* depending the PHY type and the enumeration speed of the device.
elmot	1:d0dfbce63a89	362	* @param USBx: Selected device
elmot	1:d0dfbce63a89	363	* @param speed: device speed
elmot	1:d0dfbce63a89	364	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	365	* @arg USB_OTG_SPEED_HIGH: High speed mode
elmot	1:d0dfbce63a89	366	* @arg USB_OTG_SPEED_HIGH_IN_FULL: High speed core in Full Speed mode
elmot	1:d0dfbce63a89	367	* @arg USB_OTG_SPEED_FULL: Full speed mode
elmot	1:d0dfbce63a89	368	* @arg USB_OTG_SPEED_LOW: Low speed mode
elmot	1:d0dfbce63a89	369	* @retval Hal status
elmot	1:d0dfbce63a89	370	*/
elmot	1:d0dfbce63a89	371	HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx , uint8_t speed)
elmot	1:d0dfbce63a89	372	{
elmot	1:d0dfbce63a89	373	USBx_DEVICE->DCFG \|= speed;
elmot	1:d0dfbce63a89	374	return HAL_OK;
elmot	1:d0dfbce63a89	375	}
elmot	1:d0dfbce63a89	376
elmot	1:d0dfbce63a89	377	/**
elmot	1:d0dfbce63a89	378	* @brief USB_GetDevSpeed :Return the Dev Speed
elmot	1:d0dfbce63a89	379	* @param USBx: Selected device
elmot	1:d0dfbce63a89	380	* @retval speed : device speed
elmot	1:d0dfbce63a89	381	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	382	* @arg USB_OTG_SPEED_HIGH: High speed mode
elmot	1:d0dfbce63a89	383	* @arg USB_OTG_SPEED_FULL: Full speed mode
elmot	1:d0dfbce63a89	384	* @arg USB_OTG_SPEED_LOW: Low speed mode
elmot	1:d0dfbce63a89	385	*/
elmot	1:d0dfbce63a89	386	uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	387	{
elmot	1:d0dfbce63a89	388	uint8_t speed = 0;
elmot	1:d0dfbce63a89	389
elmot	1:d0dfbce63a89	390	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ)
elmot	1:d0dfbce63a89	391	{
elmot	1:d0dfbce63a89	392	speed = USB_OTG_SPEED_HIGH;
elmot	1:d0dfbce63a89	393	}
elmot	1:d0dfbce63a89	394	else if (((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ)\|\|
elmot	1:d0dfbce63a89	395	((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_48MHZ))
elmot	1:d0dfbce63a89	396	{
elmot	1:d0dfbce63a89	397	speed = USB_OTG_SPEED_FULL;
elmot	1:d0dfbce63a89	398	}
elmot	1:d0dfbce63a89	399	else if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
elmot	1:d0dfbce63a89	400	{
elmot	1:d0dfbce63a89	401	speed = USB_OTG_SPEED_LOW;
elmot	1:d0dfbce63a89	402	}
elmot	1:d0dfbce63a89	403
elmot	1:d0dfbce63a89	404	return speed;
elmot	1:d0dfbce63a89	405	}
elmot	1:d0dfbce63a89	406
elmot	1:d0dfbce63a89	407	/**
elmot	1:d0dfbce63a89	408	* @brief Activate and configure an endpoint
elmot	1:d0dfbce63a89	409	* @param USBx: Selected device
elmot	1:d0dfbce63a89	410	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	411	* @retval HAL status
elmot	1:d0dfbce63a89	412	*/
elmot	1:d0dfbce63a89	413	HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	414	{
elmot	1:d0dfbce63a89	415	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	416	{
elmot	1:d0dfbce63a89	417	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
elmot	1:d0dfbce63a89	418
elmot	1:d0dfbce63a89	419	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
elmot	1:d0dfbce63a89	420	{
elmot	1:d0dfbce63a89	421	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	422	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
elmot	1:d0dfbce63a89	423	}
elmot	1:d0dfbce63a89	424
elmot	1:d0dfbce63a89	425	}
elmot	1:d0dfbce63a89	426	else
elmot	1:d0dfbce63a89	427	{
elmot	1:d0dfbce63a89	428	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
elmot	1:d0dfbce63a89	429
elmot	1:d0dfbce63a89	430	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
elmot	1:d0dfbce63a89	431	{
elmot	1:d0dfbce63a89	432	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	433	(USB_OTG_DIEPCTL_SD0PID_SEVNFRM)\| (USB_OTG_DOEPCTL_USBAEP));
elmot	1:d0dfbce63a89	434	}
elmot	1:d0dfbce63a89	435	}
elmot	1:d0dfbce63a89	436	return HAL_OK;
elmot	1:d0dfbce63a89	437	}
elmot	1:d0dfbce63a89	438	/**
elmot	1:d0dfbce63a89	439	* @brief Activate and configure a dedicated endpoint
elmot	1:d0dfbce63a89	440	* @param USBx: Selected device
elmot	1:d0dfbce63a89	441	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	442	* @retval HAL status
elmot	1:d0dfbce63a89	443	*/
elmot	1:d0dfbce63a89	444	HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	445	{
elmot	1:d0dfbce63a89	446	static __IO uint32_t debug = 0;
elmot	1:d0dfbce63a89	447
elmot	1:d0dfbce63a89	448	/* Read DEPCTLn register */
elmot	1:d0dfbce63a89	449	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	450	{
elmot	1:d0dfbce63a89	451	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
elmot	1:d0dfbce63a89	452	{
elmot	1:d0dfbce63a89	453	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	454	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
elmot	1:d0dfbce63a89	455	}
elmot	1:d0dfbce63a89	456
elmot	1:d0dfbce63a89	457
elmot	1:d0dfbce63a89	458	debug \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	459	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
elmot	1:d0dfbce63a89	460
elmot	1:d0dfbce63a89	461	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
elmot	1:d0dfbce63a89	462	}
elmot	1:d0dfbce63a89	463	else
elmot	1:d0dfbce63a89	464	{
elmot	1:d0dfbce63a89	465	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
elmot	1:d0dfbce63a89	466	{
elmot	1:d0dfbce63a89	467	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	468	((ep->num) << 22 ) \| (USB_OTG_DOEPCTL_USBAEP));
elmot	1:d0dfbce63a89	469
elmot	1:d0dfbce63a89	470	debug = (uint32_t)(((uint32_t )USBx) + USB_OTG_OUT_ENDPOINT_BASE + (0)*USB_OTG_EP_REG_SIZE);
elmot	1:d0dfbce63a89	471	debug = (uint32_t )&USBx_OUTEP(ep->num)->DOEPCTL;
elmot	1:d0dfbce63a89	472	debug \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
elmot	1:d0dfbce63a89	473	((ep->num) << 22 ) \| (USB_OTG_DOEPCTL_USBAEP));
elmot	1:d0dfbce63a89	474	}
elmot	1:d0dfbce63a89	475
elmot	1:d0dfbce63a89	476	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
elmot	1:d0dfbce63a89	477	}
elmot	1:d0dfbce63a89	478
elmot	1:d0dfbce63a89	479	return HAL_OK;
elmot	1:d0dfbce63a89	480	}
elmot	1:d0dfbce63a89	481	/**
elmot	1:d0dfbce63a89	482	* @brief De-activate and de-initialize an endpoint
elmot	1:d0dfbce63a89	483	* @param USBx: Selected device
elmot	1:d0dfbce63a89	484	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	485	* @retval HAL status
elmot	1:d0dfbce63a89	486	*/
elmot	1:d0dfbce63a89	487	HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	488	{
elmot	1:d0dfbce63a89	489	/* Read DEPCTLn register */
elmot	1:d0dfbce63a89	490	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	491	{
elmot	1:d0dfbce63a89	492	USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
elmot	1:d0dfbce63a89	493	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
elmot	1:d0dfbce63a89	494	USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
elmot	1:d0dfbce63a89	495	}
elmot	1:d0dfbce63a89	496	else
elmot	1:d0dfbce63a89	497	{
elmot	1:d0dfbce63a89	498	USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
elmot	1:d0dfbce63a89	499	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
elmot	1:d0dfbce63a89	500	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
elmot	1:d0dfbce63a89	501	}
elmot	1:d0dfbce63a89	502	return HAL_OK;
elmot	1:d0dfbce63a89	503	}
elmot	1:d0dfbce63a89	504
elmot	1:d0dfbce63a89	505	/**
elmot	1:d0dfbce63a89	506	* @brief De-activate and de-initialize a dedicated endpoint
elmot	1:d0dfbce63a89	507	* @param USBx: Selected device
elmot	1:d0dfbce63a89	508	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	509	* @retval HAL status
elmot	1:d0dfbce63a89	510	*/
elmot	1:d0dfbce63a89	511	HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	512	{
elmot	1:d0dfbce63a89	513	/* Read DEPCTLn register */
elmot	1:d0dfbce63a89	514	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	515	{
elmot	1:d0dfbce63a89	516	USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
elmot	1:d0dfbce63a89	517	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
elmot	1:d0dfbce63a89	518	}
elmot	1:d0dfbce63a89	519	else
elmot	1:d0dfbce63a89	520	{
elmot	1:d0dfbce63a89	521	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
elmot	1:d0dfbce63a89	522	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
elmot	1:d0dfbce63a89	523	}
elmot	1:d0dfbce63a89	524	return HAL_OK;
elmot	1:d0dfbce63a89	525	}
elmot	1:d0dfbce63a89	526
elmot	1:d0dfbce63a89	527	/**
elmot	1:d0dfbce63a89	528	* @brief USB_EPStartXfer : setup and starts a transfer over an EP
elmot	1:d0dfbce63a89	529	* @param USBx: Selected device
elmot	1:d0dfbce63a89	530	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	531	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	532	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	533	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	534	* 1 : DMA feature used
elmot	1:d0dfbce63a89	535	* @retval HAL status
elmot	1:d0dfbce63a89	536	*/
elmot	1:d0dfbce63a89	537	HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
elmot	1:d0dfbce63a89	538	{
elmot	1:d0dfbce63a89	539	uint16_t pktcnt = 0;
elmot	1:d0dfbce63a89	540
elmot	1:d0dfbce63a89	541	/* IN endpoint */
elmot	1:d0dfbce63a89	542	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	543	{
elmot	1:d0dfbce63a89	544	/* Zero Length Packet? */
elmot	1:d0dfbce63a89	545	if (ep->xfer_len == 0)
elmot	1:d0dfbce63a89	546	{
elmot	1:d0dfbce63a89	547	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	548	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
elmot	1:d0dfbce63a89	549	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	550	}
elmot	1:d0dfbce63a89	551	else
elmot	1:d0dfbce63a89	552	{
elmot	1:d0dfbce63a89	553	/* Program the transfer size and packet count
elmot	1:d0dfbce63a89	554	* as follows: xfersize = N * maxpacket +
elmot	1:d0dfbce63a89	555	* short_packet pktcnt = N + (short_packet
elmot	1:d0dfbce63a89	556	* exist ? 1 : 0)
elmot	1:d0dfbce63a89	557	*/
elmot	1:d0dfbce63a89	558	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	559	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	560	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (((ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket) << 19)) ;
elmot	1:d0dfbce63a89	561	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
elmot	1:d0dfbce63a89	562
elmot	1:d0dfbce63a89	563	if (ep->type == EP_TYPE_ISOC)
elmot	1:d0dfbce63a89	564	{
elmot	1:d0dfbce63a89	565	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_MULCNT);
elmot	1:d0dfbce63a89	566	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_MULCNT & (1 << 29));
elmot	1:d0dfbce63a89	567	}
elmot	1:d0dfbce63a89	568	}
elmot	1:d0dfbce63a89	569	if (ep->type != EP_TYPE_ISOC)
elmot	1:d0dfbce63a89	570	{
elmot	1:d0dfbce63a89	571	/* Enable the Tx FIFO Empty Interrupt for this EP */
elmot	1:d0dfbce63a89	572	if (ep->xfer_len > 0)
elmot	1:d0dfbce63a89	573	{
elmot	1:d0dfbce63a89	574	atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1 << ep->num);
elmot	1:d0dfbce63a89	575	}
elmot	1:d0dfbce63a89	576	}
elmot	1:d0dfbce63a89	577
elmot	1:d0dfbce63a89	578	if (ep->type == EP_TYPE_ISOC)
elmot	1:d0dfbce63a89	579	{
elmot	1:d0dfbce63a89	580	if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
elmot	1:d0dfbce63a89	581	{
elmot	1:d0dfbce63a89	582	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SODDFRM;
elmot	1:d0dfbce63a89	583	}
elmot	1:d0dfbce63a89	584	else
elmot	1:d0dfbce63a89	585	{
elmot	1:d0dfbce63a89	586	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
elmot	1:d0dfbce63a89	587	}
elmot	1:d0dfbce63a89	588	}
elmot	1:d0dfbce63a89	589
elmot	1:d0dfbce63a89	590	/* EP enable, IN data in FIFO */
elmot	1:d0dfbce63a89	591	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
elmot	1:d0dfbce63a89	592
elmot	1:d0dfbce63a89	593	if (ep->type == EP_TYPE_ISOC)
elmot	1:d0dfbce63a89	594	{
elmot	1:d0dfbce63a89	595	USB_WritePacket(USBx, ep->xfer_buff, ep->num, ep->xfer_len, dma);
elmot	1:d0dfbce63a89	596	}
elmot	1:d0dfbce63a89	597	}
elmot	1:d0dfbce63a89	598	else /* OUT endpoint */
elmot	1:d0dfbce63a89	599	{
elmot	1:d0dfbce63a89	600	/* Program the transfer size and packet count as follows:
elmot	1:d0dfbce63a89	601	* pktcnt = N
elmot	1:d0dfbce63a89	602	* xfersize = N * maxpacket
elmot	1:d0dfbce63a89	603	*/
elmot	1:d0dfbce63a89	604	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	605	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	606
elmot	1:d0dfbce63a89	607	if (ep->xfer_len == 0)
elmot	1:d0dfbce63a89	608	{
elmot	1:d0dfbce63a89	609	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket);
elmot	1:d0dfbce63a89	610	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
elmot	1:d0dfbce63a89	611	}
elmot	1:d0dfbce63a89	612	else
elmot	1:d0dfbce63a89	613	{
elmot	1:d0dfbce63a89	614	pktcnt = (ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket;
elmot	1:d0dfbce63a89	615	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (pktcnt << 19)); ;
elmot	1:d0dfbce63a89	616	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket * pktcnt));
elmot	1:d0dfbce63a89	617	}
elmot	1:d0dfbce63a89	618
elmot	1:d0dfbce63a89	619	if (ep->type == EP_TYPE_ISOC)
elmot	1:d0dfbce63a89	620	{
elmot	1:d0dfbce63a89	621	if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
elmot	1:d0dfbce63a89	622	{
elmot	1:d0dfbce63a89	623	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SODDFRM;
elmot	1:d0dfbce63a89	624	}
elmot	1:d0dfbce63a89	625	else
elmot	1:d0dfbce63a89	626	{
elmot	1:d0dfbce63a89	627	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
elmot	1:d0dfbce63a89	628	}
elmot	1:d0dfbce63a89	629	}
elmot	1:d0dfbce63a89	630	/* EP enable */
elmot	1:d0dfbce63a89	631	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
elmot	1:d0dfbce63a89	632	}
elmot	1:d0dfbce63a89	633	return HAL_OK;
elmot	1:d0dfbce63a89	634	}
elmot	1:d0dfbce63a89	635
elmot	1:d0dfbce63a89	636	/**
elmot	1:d0dfbce63a89	637	* @brief USB_EP0StartXfer : setup and starts a transfer over the EP 0
elmot	1:d0dfbce63a89	638	* @param USBx: Selected device
elmot	1:d0dfbce63a89	639	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	640	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	641	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	642	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	643	* 1 : DMA feature used
elmot	1:d0dfbce63a89	644	* @retval HAL status
elmot	1:d0dfbce63a89	645	*/
elmot	1:d0dfbce63a89	646	HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
elmot	1:d0dfbce63a89	647	{
elmot	1:d0dfbce63a89	648	/* IN endpoint */
elmot	1:d0dfbce63a89	649	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	650	{
elmot	1:d0dfbce63a89	651	/* Zero Length Packet? */
elmot	1:d0dfbce63a89	652	if (ep->xfer_len == 0)
elmot	1:d0dfbce63a89	653	{
elmot	1:d0dfbce63a89	654	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	655	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
elmot	1:d0dfbce63a89	656	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	657	}
elmot	1:d0dfbce63a89	658	else
elmot	1:d0dfbce63a89	659	{
elmot	1:d0dfbce63a89	660	/* Program the transfer size and packet count
elmot	1:d0dfbce63a89	661	* as follows: xfersize = N * maxpacket +
elmot	1:d0dfbce63a89	662	* short_packet pktcnt = N + (short_packet
elmot	1:d0dfbce63a89	663	* exist ? 1 : 0)
elmot	1:d0dfbce63a89	664	*/
elmot	1:d0dfbce63a89	665	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	666	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	667
elmot	1:d0dfbce63a89	668	if(ep->xfer_len > ep->maxpacket)
elmot	1:d0dfbce63a89	669	{
elmot	1:d0dfbce63a89	670	ep->xfer_len = ep->maxpacket;
elmot	1:d0dfbce63a89	671	}
elmot	1:d0dfbce63a89	672	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
elmot	1:d0dfbce63a89	673	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
elmot	1:d0dfbce63a89	674
elmot	1:d0dfbce63a89	675	}
elmot	1:d0dfbce63a89	676
elmot	1:d0dfbce63a89	677	/* Enable the Tx FIFO Empty Interrupt for this EP */
elmot	1:d0dfbce63a89	678	if (ep->xfer_len > 0)
elmot	1:d0dfbce63a89	679	{
elmot	1:d0dfbce63a89	680	atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1 << (ep->num));
elmot	1:d0dfbce63a89	681	}
elmot	1:d0dfbce63a89	682
elmot	1:d0dfbce63a89	683	/* EP enable, IN data in FIFO */
elmot	1:d0dfbce63a89	684	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
elmot	1:d0dfbce63a89	685	}
elmot	1:d0dfbce63a89	686	else /* OUT endpoint */
elmot	1:d0dfbce63a89	687	{
elmot	1:d0dfbce63a89	688	/* Program the transfer size and packet count as follows:
elmot	1:d0dfbce63a89	689	* pktcnt = N
elmot	1:d0dfbce63a89	690	* xfersize = N * maxpacket
elmot	1:d0dfbce63a89	691	*/
elmot	1:d0dfbce63a89	692	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
elmot	1:d0dfbce63a89	693	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
elmot	1:d0dfbce63a89	694
elmot	1:d0dfbce63a89	695	if (ep->xfer_len > 0)
elmot	1:d0dfbce63a89	696	{
elmot	1:d0dfbce63a89	697	ep->xfer_len = ep->maxpacket;
elmot	1:d0dfbce63a89	698	}
elmot	1:d0dfbce63a89	699
elmot	1:d0dfbce63a89	700	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19));
elmot	1:d0dfbce63a89	701	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket));
elmot	1:d0dfbce63a89	702
elmot	1:d0dfbce63a89	703	/* EP enable */
elmot	1:d0dfbce63a89	704	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
elmot	1:d0dfbce63a89	705	}
elmot	1:d0dfbce63a89	706	return HAL_OK;
elmot	1:d0dfbce63a89	707	}
elmot	1:d0dfbce63a89	708
elmot	1:d0dfbce63a89	709	/**
elmot	1:d0dfbce63a89	710	* @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
elmot	1:d0dfbce63a89	711	* with the EP/channel
elmot	1:d0dfbce63a89	712	* @param USBx: Selected device
elmot	1:d0dfbce63a89	713	* @param src: pointer to source buffer
elmot	1:d0dfbce63a89	714	* @param ch_ep_num: endpoint or host channel number
elmot	1:d0dfbce63a89	715	* @param len: Number of bytes to write
elmot	1:d0dfbce63a89	716	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	717	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	718	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	719	* 1 : DMA feature used
elmot	1:d0dfbce63a89	720	* @retval HAL status
elmot	1:d0dfbce63a89	721	*/
elmot	1:d0dfbce63a89	722	HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef USBx, uint8_t src, uint8_t ch_ep_num, uint16_t len, uint8_t dma)
elmot	1:d0dfbce63a89	723	{
elmot	1:d0dfbce63a89	724	uint32_t count32b= 0 , index= 0;
elmot	1:d0dfbce63a89	725	count32b = (len + 3) / 4;
elmot	1:d0dfbce63a89	726	for (index = 0; index < count32b; index++, src += 4)
elmot	1:d0dfbce63a89	727	{
elmot	1:d0dfbce63a89	728	USBx_DFIFO(ch_ep_num) = ((__packed uint32_t )src);
elmot	1:d0dfbce63a89	729	}
elmot	1:d0dfbce63a89	730	return HAL_OK;
elmot	1:d0dfbce63a89	731	}
elmot	1:d0dfbce63a89	732
elmot	1:d0dfbce63a89	733	/**
elmot	1:d0dfbce63a89	734	* @brief USB_ReadPacket : read a packet from the Tx FIFO associated
elmot	1:d0dfbce63a89	735	* with the EP/channel
elmot	1:d0dfbce63a89	736	* @param USBx: Selected device
elmot	1:d0dfbce63a89	737	* @param src: source pointer
elmot	1:d0dfbce63a89	738	* @param ch_ep_num: endpoint or host channel number
elmot	1:d0dfbce63a89	739	* @param len: Number of bytes to read
elmot	1:d0dfbce63a89	740	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	741	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	742	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	743	* 1 : DMA feature used
elmot	1:d0dfbce63a89	744	* @retval pointer to destination buffer
elmot	1:d0dfbce63a89	745	*/
elmot	1:d0dfbce63a89	746	void USB_ReadPacket(USB_OTG_GlobalTypeDef USBx, uint8_t *dest, uint16_t len)
elmot	1:d0dfbce63a89	747	{
elmot	1:d0dfbce63a89	748	uint32_t index=0;
elmot	1:d0dfbce63a89	749	uint32_t count32b = (len + 3) / 4;
elmot	1:d0dfbce63a89	750
elmot	1:d0dfbce63a89	751	for ( index = 0; index < count32b; index++, dest += 4 )
elmot	1:d0dfbce63a89	752	{
elmot	1:d0dfbce63a89	753	(__packed uint32_t )dest = USBx_DFIFO(0);
elmot	1:d0dfbce63a89	754
elmot	1:d0dfbce63a89	755	}
elmot	1:d0dfbce63a89	756	return ((void *)dest);
elmot	1:d0dfbce63a89	757	}
elmot	1:d0dfbce63a89	758
elmot	1:d0dfbce63a89	759	/**
elmot	1:d0dfbce63a89	760	* @brief USB_EPSetStall : set a stall condition over an EP
elmot	1:d0dfbce63a89	761	* @param USBx: Selected device
elmot	1:d0dfbce63a89	762	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	763	* @retval HAL status
elmot	1:d0dfbce63a89	764	*/
elmot	1:d0dfbce63a89	765	HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	766	{
elmot	1:d0dfbce63a89	767	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	768	{
elmot	1:d0dfbce63a89	769	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == 0)
elmot	1:d0dfbce63a89	770	{
elmot	1:d0dfbce63a89	771	USBx_INEP(ep->num)->DIEPCTL &= ~(USB_OTG_DIEPCTL_EPDIS);
elmot	1:d0dfbce63a89	772	}
elmot	1:d0dfbce63a89	773	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_STALL;
elmot	1:d0dfbce63a89	774	}
elmot	1:d0dfbce63a89	775	else
elmot	1:d0dfbce63a89	776	{
elmot	1:d0dfbce63a89	777	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == 0)
elmot	1:d0dfbce63a89	778	{
elmot	1:d0dfbce63a89	779	USBx_OUTEP(ep->num)->DOEPCTL &= ~(USB_OTG_DOEPCTL_EPDIS);
elmot	1:d0dfbce63a89	780	}
elmot	1:d0dfbce63a89	781	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_STALL;
elmot	1:d0dfbce63a89	782	}
elmot	1:d0dfbce63a89	783	return HAL_OK;
elmot	1:d0dfbce63a89	784	}
elmot	1:d0dfbce63a89	785
elmot	1:d0dfbce63a89	786
elmot	1:d0dfbce63a89	787	/**
elmot	1:d0dfbce63a89	788	* @brief USB_EPClearStall : Clear a stall condition over an EP
elmot	1:d0dfbce63a89	789	* @param USBx: Selected device
elmot	1:d0dfbce63a89	790	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	791	* @retval HAL status
elmot	1:d0dfbce63a89	792	*/
elmot	1:d0dfbce63a89	793	HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
elmot	1:d0dfbce63a89	794	{
elmot	1:d0dfbce63a89	795	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	796	{
elmot	1:d0dfbce63a89	797	USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
elmot	1:d0dfbce63a89	798	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
elmot	1:d0dfbce63a89	799	{
elmot	1:d0dfbce63a89	800	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM; /* DATA0 */
elmot	1:d0dfbce63a89	801	}
elmot	1:d0dfbce63a89	802	}
elmot	1:d0dfbce63a89	803	else
elmot	1:d0dfbce63a89	804	{
elmot	1:d0dfbce63a89	805	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
elmot	1:d0dfbce63a89	806	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
elmot	1:d0dfbce63a89	807	{
elmot	1:d0dfbce63a89	808	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM; /* DATA0 */
elmot	1:d0dfbce63a89	809	}
elmot	1:d0dfbce63a89	810	}
elmot	1:d0dfbce63a89	811	return HAL_OK;
elmot	1:d0dfbce63a89	812	}
elmot	1:d0dfbce63a89	813
elmot	1:d0dfbce63a89	814	/**
elmot	1:d0dfbce63a89	815	* @brief USB_StopDevice : Stop the USB device mode
elmot	1:d0dfbce63a89	816	* @param USBx: Selected device
elmot	1:d0dfbce63a89	817	* @retval HAL status
elmot	1:d0dfbce63a89	818	*/
elmot	1:d0dfbce63a89	819	HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	820	{
elmot	1:d0dfbce63a89	821	uint32_t index;
elmot	1:d0dfbce63a89	822
elmot	1:d0dfbce63a89	823	/* Clear Pending interrupt */
elmot	1:d0dfbce63a89	824	for (index = 0; index < 15 ; index++)
elmot	1:d0dfbce63a89	825	{
elmot	1:d0dfbce63a89	826	USBx_INEP(index)->DIEPINT = 0xFF;
elmot	1:d0dfbce63a89	827	USBx_OUTEP(index)->DOEPINT = 0xFF;
elmot	1:d0dfbce63a89	828	}
elmot	1:d0dfbce63a89	829	USBx_DEVICE->DAINT = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	830
elmot	1:d0dfbce63a89	831	/* Clear interrupt masks */
elmot	1:d0dfbce63a89	832	USBx_DEVICE->DIEPMSK = 0;
elmot	1:d0dfbce63a89	833	USBx_DEVICE->DOEPMSK = 0;
elmot	1:d0dfbce63a89	834	USBx_DEVICE->DAINTMSK = 0;
elmot	1:d0dfbce63a89	835
elmot	1:d0dfbce63a89	836	/* Flush the FIFO */
elmot	1:d0dfbce63a89	837	USB_FlushRxFifo(USBx);
elmot	1:d0dfbce63a89	838	USB_FlushTxFifo(USBx , 0x10 );
elmot	1:d0dfbce63a89	839
elmot	1:d0dfbce63a89	840	return HAL_OK;
elmot	1:d0dfbce63a89	841	}
elmot	1:d0dfbce63a89	842
elmot	1:d0dfbce63a89	843	/**
elmot	1:d0dfbce63a89	844	* @brief USB_SetDevAddress : Stop the USB device mode
elmot	1:d0dfbce63a89	845	* @param USBx: Selected device
elmot	1:d0dfbce63a89	846	* @param address: new device address to be assigned
elmot	1:d0dfbce63a89	847	* This parameter can be a value from 0 to 255
elmot	1:d0dfbce63a89	848	* @retval HAL status
elmot	1:d0dfbce63a89	849	*/
elmot	1:d0dfbce63a89	850	HAL_StatusTypeDef USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address)
elmot	1:d0dfbce63a89	851	{
elmot	1:d0dfbce63a89	852	USBx_DEVICE->DCFG &= ~ (USB_OTG_DCFG_DAD);
elmot	1:d0dfbce63a89	853	USBx_DEVICE->DCFG \|= (address << 4) & USB_OTG_DCFG_DAD ;
elmot	1:d0dfbce63a89	854
elmot	1:d0dfbce63a89	855	return HAL_OK;
elmot	1:d0dfbce63a89	856	}
elmot	1:d0dfbce63a89	857
elmot	1:d0dfbce63a89	858	/**
elmot	1:d0dfbce63a89	859	* @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
elmot	1:d0dfbce63a89	860	* @param USBx: Selected device
elmot	1:d0dfbce63a89	861	* @retval HAL status
elmot	1:d0dfbce63a89	862	*/
elmot	1:d0dfbce63a89	863	HAL_StatusTypeDef USB_DevConnect (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	864	{
elmot	1:d0dfbce63a89	865	USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS ;
elmot	1:d0dfbce63a89	866	HAL_Delay(3);
elmot	1:d0dfbce63a89	867
elmot	1:d0dfbce63a89	868	return HAL_OK;
elmot	1:d0dfbce63a89	869	}
elmot	1:d0dfbce63a89	870
elmot	1:d0dfbce63a89	871	/**
elmot	1:d0dfbce63a89	872	* @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
elmot	1:d0dfbce63a89	873	* @param USBx: Selected device
elmot	1:d0dfbce63a89	874	* @retval HAL status
elmot	1:d0dfbce63a89	875	*/
elmot	1:d0dfbce63a89	876	HAL_StatusTypeDef USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	877	{
elmot	1:d0dfbce63a89	878	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_SDIS ;
elmot	1:d0dfbce63a89	879	HAL_Delay(3);
elmot	1:d0dfbce63a89	880
elmot	1:d0dfbce63a89	881	return HAL_OK;
elmot	1:d0dfbce63a89	882	}
elmot	1:d0dfbce63a89	883
elmot	1:d0dfbce63a89	884	/**
elmot	1:d0dfbce63a89	885	* @brief USB_ReadInterrupts: return the global USB interrupt status
elmot	1:d0dfbce63a89	886	* @param USBx: Selected device
elmot	1:d0dfbce63a89	887	* @retval HAL status
elmot	1:d0dfbce63a89	888	*/
elmot	1:d0dfbce63a89	889	uint32_t USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	890	{
elmot	1:d0dfbce63a89	891	uint32_t tmpreg = 0;
elmot	1:d0dfbce63a89	892
elmot	1:d0dfbce63a89	893	tmpreg = USBx->GINTSTS;
elmot	1:d0dfbce63a89	894	tmpreg &= USBx->GINTMSK;
elmot	1:d0dfbce63a89	895	return tmpreg;
elmot	1:d0dfbce63a89	896	}
elmot	1:d0dfbce63a89	897
elmot	1:d0dfbce63a89	898	/**
elmot	1:d0dfbce63a89	899	* @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
elmot	1:d0dfbce63a89	900	* @param USBx: Selected device
elmot	1:d0dfbce63a89	901	* @retval HAL status
elmot	1:d0dfbce63a89	902	*/
elmot	1:d0dfbce63a89	903	uint32_t USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	904	{
elmot	1:d0dfbce63a89	905	uint32_t tmpreg;
elmot	1:d0dfbce63a89	906	tmpreg = USBx_DEVICE->DAINT;
elmot	1:d0dfbce63a89	907	tmpreg &= USBx_DEVICE->DAINTMSK;
elmot	1:d0dfbce63a89	908	return ((tmpreg & 0xffff0000) >> 16);
elmot	1:d0dfbce63a89	909	}
elmot	1:d0dfbce63a89	910
elmot	1:d0dfbce63a89	911	/**
elmot	1:d0dfbce63a89	912	* @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
elmot	1:d0dfbce63a89	913	* @param USBx: Selected device
elmot	1:d0dfbce63a89	914	* @retval HAL status
elmot	1:d0dfbce63a89	915	*/
elmot	1:d0dfbce63a89	916	uint32_t USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	917	{
elmot	1:d0dfbce63a89	918	uint32_t tmpreg;
elmot	1:d0dfbce63a89	919	tmpreg = USBx_DEVICE->DAINT;
elmot	1:d0dfbce63a89	920	tmpreg &= USBx_DEVICE->DAINTMSK;
elmot	1:d0dfbce63a89	921	return ((tmpreg & 0xFFFF));
elmot	1:d0dfbce63a89	922	}
elmot	1:d0dfbce63a89	923
elmot	1:d0dfbce63a89	924	/**
elmot	1:d0dfbce63a89	925	* @brief Returns Device OUT EP Interrupt register
elmot	1:d0dfbce63a89	926	* @param USBx: Selected device
elmot	1:d0dfbce63a89	927	* @param epnum: endpoint number
elmot	1:d0dfbce63a89	928	* This parameter can be a value from 0 to 15
elmot	1:d0dfbce63a89	929	* @retval Device OUT EP Interrupt register
elmot	1:d0dfbce63a89	930	*/
elmot	1:d0dfbce63a89	931	uint32_t USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
elmot	1:d0dfbce63a89	932	{
elmot	1:d0dfbce63a89	933	uint32_t tmpreg;
elmot	1:d0dfbce63a89	934	tmpreg = USBx_OUTEP(epnum)->DOEPINT;
elmot	1:d0dfbce63a89	935	tmpreg &= USBx_DEVICE->DOEPMSK;
elmot	1:d0dfbce63a89	936	return tmpreg;
elmot	1:d0dfbce63a89	937	}
elmot	1:d0dfbce63a89	938
elmot	1:d0dfbce63a89	939	/**
elmot	1:d0dfbce63a89	940	* @brief Returns Device IN EP Interrupt register
elmot	1:d0dfbce63a89	941	* @param USBx: Selected device
elmot	1:d0dfbce63a89	942	* @param epnum: endpoint number
elmot	1:d0dfbce63a89	943	* This parameter can be a value from 0 to 15
elmot	1:d0dfbce63a89	944	* @retval Device IN EP Interrupt register
elmot	1:d0dfbce63a89	945	*/
elmot	1:d0dfbce63a89	946	uint32_t USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
elmot	1:d0dfbce63a89	947	{
elmot	1:d0dfbce63a89	948	uint32_t tmpreg = 0, msk = 0, emp = 0;
elmot	1:d0dfbce63a89	949
elmot	1:d0dfbce63a89	950	msk = USBx_DEVICE->DIEPMSK;
elmot	1:d0dfbce63a89	951	emp = USBx_DEVICE->DIEPEMPMSK;
elmot	1:d0dfbce63a89	952	msk \|= ((emp >> epnum) & 0x1) << 7;
elmot	1:d0dfbce63a89	953	tmpreg = USBx_INEP(epnum)->DIEPINT & msk;
elmot	1:d0dfbce63a89	954	return tmpreg;
elmot	1:d0dfbce63a89	955	}
elmot	1:d0dfbce63a89	956
elmot	1:d0dfbce63a89	957	/**
elmot	1:d0dfbce63a89	958	* @brief USB_ClearInterrupts: clear a USB interrupt
elmot	1:d0dfbce63a89	959	* @param USBx: Selected device
elmot	1:d0dfbce63a89	960	* @param interrupt: interrupt flag
elmot	1:d0dfbce63a89	961	* @retval None
elmot	1:d0dfbce63a89	962	*/
elmot	1:d0dfbce63a89	963	void USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
elmot	1:d0dfbce63a89	964	{
elmot	1:d0dfbce63a89	965	USBx->GINTSTS \|= interrupt;
elmot	1:d0dfbce63a89	966	}
elmot	1:d0dfbce63a89	967
elmot	1:d0dfbce63a89	968	/**
elmot	1:d0dfbce63a89	969	* @brief Returns USB core mode
elmot	1:d0dfbce63a89	970	* @param USBx: Selected device
elmot	1:d0dfbce63a89	971	* @retval return core mode : Host or Device
elmot	1:d0dfbce63a89	972	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	973	* 0 : Host
elmot	1:d0dfbce63a89	974	* 1 : Device
elmot	1:d0dfbce63a89	975	*/
elmot	1:d0dfbce63a89	976	uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	977	{
elmot	1:d0dfbce63a89	978	return ((USBx->GINTSTS ) & 0x1);
elmot	1:d0dfbce63a89	979	}
elmot	1:d0dfbce63a89	980
elmot	1:d0dfbce63a89	981
elmot	1:d0dfbce63a89	982	/**
elmot	1:d0dfbce63a89	983	* @brief Activate EP0 for Setup transactions
elmot	1:d0dfbce63a89	984	* @param USBx: Selected device
elmot	1:d0dfbce63a89	985	* @retval HAL status
elmot	1:d0dfbce63a89	986	*/
elmot	1:d0dfbce63a89	987	HAL_StatusTypeDef USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	988	{
elmot	1:d0dfbce63a89	989	/* Set the MPS of the IN EP based on the enumeration speed */
elmot	1:d0dfbce63a89	990	USBx_INEP(0)->DIEPCTL &= ~USB_OTG_DIEPCTL_MPSIZ;
elmot	1:d0dfbce63a89	991
elmot	1:d0dfbce63a89	992	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
elmot	1:d0dfbce63a89	993	{
elmot	1:d0dfbce63a89	994	USBx_INEP(0)->DIEPCTL \|= 3;
elmot	1:d0dfbce63a89	995	}
elmot	1:d0dfbce63a89	996	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_CGINAK;
elmot	1:d0dfbce63a89	997
elmot	1:d0dfbce63a89	998	return HAL_OK;
elmot	1:d0dfbce63a89	999	}
elmot	1:d0dfbce63a89	1000
elmot	1:d0dfbce63a89	1001
elmot	1:d0dfbce63a89	1002	/**
elmot	1:d0dfbce63a89	1003	* @brief Prepare the EP0 to start the first control setup
elmot	1:d0dfbce63a89	1004	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1005	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	1006	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1007	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	1008	* 1 : DMA feature used
elmot	1:d0dfbce63a89	1009	* @param psetup: pointer to setup packet
elmot	1:d0dfbce63a89	1010	* @retval HAL status
elmot	1:d0dfbce63a89	1011	*/
elmot	1:d0dfbce63a89	1012	HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef USBx, uint8_t dma, uint8_t psetup)
elmot	1:d0dfbce63a89	1013	{
elmot	1:d0dfbce63a89	1014	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1015	UNUSED(psetup);
elmot	1:d0dfbce63a89	1016
elmot	1:d0dfbce63a89	1017	USBx_OUTEP(0)->DOEPTSIZ = 0;
elmot	1:d0dfbce63a89	1018	USBx_OUTEP(0)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
elmot	1:d0dfbce63a89	1019	USBx_OUTEP(0)->DOEPTSIZ \|= (3 * 8);
elmot	1:d0dfbce63a89	1020	USBx_OUTEP(0)->DOEPTSIZ \|= USB_OTG_DOEPTSIZ_STUPCNT;
elmot	1:d0dfbce63a89	1021
elmot	1:d0dfbce63a89	1022	return HAL_OK;
elmot	1:d0dfbce63a89	1023	}
elmot	1:d0dfbce63a89	1024
elmot	1:d0dfbce63a89	1025	/**
elmot	1:d0dfbce63a89	1026	* @brief USB_HostInit : Initializes the USB OTG controller registers
elmot	1:d0dfbce63a89	1027	* for Host mode
elmot	1:d0dfbce63a89	1028	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1029	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
elmot	1:d0dfbce63a89	1030	* the configuration information for the specified USBx peripheral.
elmot	1:d0dfbce63a89	1031	* @retval HAL status
elmot	1:d0dfbce63a89	1032	*/
elmot	1:d0dfbce63a89	1033	HAL_StatusTypeDef USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
elmot	1:d0dfbce63a89	1034	{
elmot	1:d0dfbce63a89	1035	uint32_t index = 0;
elmot	1:d0dfbce63a89	1036
elmot	1:d0dfbce63a89	1037	/* Restart the Phy Clock */
elmot	1:d0dfbce63a89	1038	USBx_PCGCCTL = 0;
elmot	1:d0dfbce63a89	1039
elmot	1:d0dfbce63a89	1040	/* Disable the FS/LS support mode only */
elmot	1:d0dfbce63a89	1041	if((cfg.speed == USB_OTG_SPEED_FULL)&&
elmot	1:d0dfbce63a89	1042	(USBx != USB_OTG_FS))
elmot	1:d0dfbce63a89	1043	{
elmot	1:d0dfbce63a89	1044	USBx_HOST->HCFG \|= USB_OTG_HCFG_FSLSS;
elmot	1:d0dfbce63a89	1045	}
elmot	1:d0dfbce63a89	1046	else
elmot	1:d0dfbce63a89	1047	{
elmot	1:d0dfbce63a89	1048	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
elmot	1:d0dfbce63a89	1049	}
elmot	1:d0dfbce63a89	1050
elmot	1:d0dfbce63a89	1051	/* Make sure the FIFOs are flushed. */
elmot	1:d0dfbce63a89	1052	USB_FlushTxFifo(USBx, 0x10 ); /* all Tx FIFOs */
elmot	1:d0dfbce63a89	1053	USB_FlushRxFifo(USBx);
elmot	1:d0dfbce63a89	1054
elmot	1:d0dfbce63a89	1055	/* Clear all pending HC Interrupts */
elmot	1:d0dfbce63a89	1056	for (index = 0; index < cfg.Host_channels; index++)
elmot	1:d0dfbce63a89	1057	{
elmot	1:d0dfbce63a89	1058	USBx_HC(index)->HCINT = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	1059	USBx_HC(index)->HCINTMSK = 0;
elmot	1:d0dfbce63a89	1060	}
elmot	1:d0dfbce63a89	1061
elmot	1:d0dfbce63a89	1062	/* Enable VBUS driving */
elmot	1:d0dfbce63a89	1063	USB_DriveVbus(USBx, 1);
elmot	1:d0dfbce63a89	1064
elmot	1:d0dfbce63a89	1065	HAL_Delay(200);
elmot	1:d0dfbce63a89	1066
elmot	1:d0dfbce63a89	1067	/* Disable all interrupts. */
elmot	1:d0dfbce63a89	1068	USBx->GINTMSK = 0;
elmot	1:d0dfbce63a89	1069
elmot	1:d0dfbce63a89	1070	/* Clear any pending interrupts */
elmot	1:d0dfbce63a89	1071	USBx->GINTSTS = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	1072
elmot	1:d0dfbce63a89	1073	/* set Rx FIFO size */
elmot	1:d0dfbce63a89	1074	USBx->GRXFSIZ = (uint32_t )0x80;
elmot	1:d0dfbce63a89	1075	USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x60 << 16)& USB_OTG_NPTXFD) \| 0x80);
elmot	1:d0dfbce63a89	1076	USBx->HPTXFSIZ = (uint32_t )(((0x40 << 16)& USB_OTG_HPTXFSIZ_PTXFD) \| 0xE0);
elmot	1:d0dfbce63a89	1077
elmot	1:d0dfbce63a89	1078	/* Enable the common interrupts */
elmot	1:d0dfbce63a89	1079	if (cfg.dma_enable == DISABLE)
elmot	1:d0dfbce63a89	1080	{
elmot	1:d0dfbce63a89	1081	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
elmot	1:d0dfbce63a89	1082	}
elmot	1:d0dfbce63a89	1083
elmot	1:d0dfbce63a89	1084	/* Enable interrupts matching to the Host mode ONLY */
elmot	1:d0dfbce63a89	1085	USBx->GINTMSK \|= (USB_OTG_GINTMSK_PRTIM \| USB_OTG_GINTMSK_HCIM \|\
elmot	1:d0dfbce63a89	1086	USB_OTG_GINTMSK_SOFM \|USB_OTG_GINTSTS_DISCINT\|\
elmot	1:d0dfbce63a89	1087	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
elmot	1:d0dfbce63a89	1088
elmot	1:d0dfbce63a89	1089	return HAL_OK;
elmot	1:d0dfbce63a89	1090	}
elmot	1:d0dfbce63a89	1091
elmot	1:d0dfbce63a89	1092	/**
elmot	1:d0dfbce63a89	1093	* @brief USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the
elmot	1:d0dfbce63a89	1094	* HCFG register on the PHY type and set the right frame interval
elmot	1:d0dfbce63a89	1095	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1096	* @param freq: clock frequency
elmot	1:d0dfbce63a89	1097	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1098	* HCFG_48_MHZ : Full Speed 48 MHz Clock
elmot	1:d0dfbce63a89	1099	* HCFG_6_MHZ : Low Speed 6 MHz Clock
elmot	1:d0dfbce63a89	1100	* @retval HAL status
elmot	1:d0dfbce63a89	1101	*/
elmot	1:d0dfbce63a89	1102	HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx , uint8_t freq)
elmot	1:d0dfbce63a89	1103	{
elmot	1:d0dfbce63a89	1104	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSPCS);
elmot	1:d0dfbce63a89	1105	USBx_HOST->HCFG \|= (freq & USB_OTG_HCFG_FSLSPCS);
elmot	1:d0dfbce63a89	1106
elmot	1:d0dfbce63a89	1107	if (freq == HCFG_48_MHZ)
elmot	1:d0dfbce63a89	1108	{
elmot	1:d0dfbce63a89	1109	USBx_HOST->HFIR = (uint32_t)48000;
elmot	1:d0dfbce63a89	1110	}
elmot	1:d0dfbce63a89	1111	else if (freq == HCFG_6_MHZ)
elmot	1:d0dfbce63a89	1112	{
elmot	1:d0dfbce63a89	1113	USBx_HOST->HFIR = (uint32_t)6000;
elmot	1:d0dfbce63a89	1114	}
elmot	1:d0dfbce63a89	1115	return HAL_OK;
elmot	1:d0dfbce63a89	1116	}
elmot	1:d0dfbce63a89	1117
elmot	1:d0dfbce63a89	1118	/**
elmot	1:d0dfbce63a89	1119	* @brief USB_OTG_ResetPort : Reset Host Port
elmot	1:d0dfbce63a89	1120	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1121	* @retval HAL status
elmot	1:d0dfbce63a89	1122	* @note (1)The application must wait at least 10 ms
elmot	1:d0dfbce63a89	1123	* before clearing the reset bit.
elmot	1:d0dfbce63a89	1124	*/
elmot	1:d0dfbce63a89	1125	HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1126	{
elmot	1:d0dfbce63a89	1127	__IO uint32_t hprt0 = 0;
elmot	1:d0dfbce63a89	1128
elmot	1:d0dfbce63a89	1129	hprt0 = USBx_HPRT0;
elmot	1:d0dfbce63a89	1130
elmot	1:d0dfbce63a89	1131	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
elmot	1:d0dfbce63a89	1132	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
elmot	1:d0dfbce63a89	1133
elmot	1:d0dfbce63a89	1134	USBx_HPRT0 = (USB_OTG_HPRT_PRST \| hprt0);
elmot	1:d0dfbce63a89	1135	HAL_Delay (10); /* See Note #1 */
elmot	1:d0dfbce63a89	1136	USBx_HPRT0 = ((~USB_OTG_HPRT_PRST) & hprt0);
elmot	1:d0dfbce63a89	1137	return HAL_OK;
elmot	1:d0dfbce63a89	1138	}
elmot	1:d0dfbce63a89	1139
elmot	1:d0dfbce63a89	1140	/**
elmot	1:d0dfbce63a89	1141	* @brief USB_DriveVbus : activate or de-activate vbus
elmot	1:d0dfbce63a89	1142	* @param state: VBUS state
elmot	1:d0dfbce63a89	1143	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1144	* 0 : VBUS Active
elmot	1:d0dfbce63a89	1145	* 1 : VBUS Inactive
elmot	1:d0dfbce63a89	1146	* @retval HAL status
elmot	1:d0dfbce63a89	1147	*/
elmot	1:d0dfbce63a89	1148	HAL_StatusTypeDef USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state)
elmot	1:d0dfbce63a89	1149	{
elmot	1:d0dfbce63a89	1150	__IO uint32_t hprt0 = 0;
elmot	1:d0dfbce63a89	1151
elmot	1:d0dfbce63a89	1152	hprt0 = USBx_HPRT0;
elmot	1:d0dfbce63a89	1153	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
elmot	1:d0dfbce63a89	1154	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
elmot	1:d0dfbce63a89	1155
elmot	1:d0dfbce63a89	1156	if (((hprt0 & USB_OTG_HPRT_PPWR) == 0 ) && (state == 1 ))
elmot	1:d0dfbce63a89	1157	{
elmot	1:d0dfbce63a89	1158	USBx_HPRT0 = (USB_OTG_HPRT_PPWR \| hprt0);
elmot	1:d0dfbce63a89	1159	}
elmot	1:d0dfbce63a89	1160	if (((hprt0 & USB_OTG_HPRT_PPWR) == USB_OTG_HPRT_PPWR) && (state == 0 ))
elmot	1:d0dfbce63a89	1161	{
elmot	1:d0dfbce63a89	1162	USBx_HPRT0 = ((~USB_OTG_HPRT_PPWR) & hprt0);
elmot	1:d0dfbce63a89	1163	}
elmot	1:d0dfbce63a89	1164	return HAL_OK;
elmot	1:d0dfbce63a89	1165	}
elmot	1:d0dfbce63a89	1166
elmot	1:d0dfbce63a89	1167	/**
elmot	1:d0dfbce63a89	1168	* @brief Return Host Core speed
elmot	1:d0dfbce63a89	1169	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1170	* @retval speed : Host speed
elmot	1:d0dfbce63a89	1171	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1172	* @arg USB_OTG_SPEED_HIGH: High speed mode
elmot	1:d0dfbce63a89	1173	* @arg USB_OTG_SPEED_FULL: Full speed mode
elmot	1:d0dfbce63a89	1174	* @arg USB_OTG_SPEED_LOW: Low speed mode
elmot	1:d0dfbce63a89	1175	*/
elmot	1:d0dfbce63a89	1176	uint32_t USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1177	{
elmot	1:d0dfbce63a89	1178	__IO uint32_t hprt0 = 0;
elmot	1:d0dfbce63a89	1179
elmot	1:d0dfbce63a89	1180	hprt0 = USBx_HPRT0;
elmot	1:d0dfbce63a89	1181	return ((hprt0 & USB_OTG_HPRT_PSPD) >> 17);
elmot	1:d0dfbce63a89	1182	}
elmot	1:d0dfbce63a89	1183
elmot	1:d0dfbce63a89	1184	/**
elmot	1:d0dfbce63a89	1185	* @brief Return Host Current Frame number
elmot	1:d0dfbce63a89	1186	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1187	* @retval current frame number
elmot	1:d0dfbce63a89	1188	*/
elmot	1:d0dfbce63a89	1189	uint32_t USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1190	{
elmot	1:d0dfbce63a89	1191	return (USBx_HOST->HFNUM & USB_OTG_HFNUM_FRNUM);
elmot	1:d0dfbce63a89	1192	}
elmot	1:d0dfbce63a89	1193
elmot	1:d0dfbce63a89	1194	/**
elmot	1:d0dfbce63a89	1195	* @brief Initialize a host channel
elmot	1:d0dfbce63a89	1196	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1197	* @param ch_num : Channel number
elmot	1:d0dfbce63a89	1198	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	1199	* @param epnum: Endpoint number
elmot	1:d0dfbce63a89	1200	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	1201	* @param dev_address: Current device address
elmot	1:d0dfbce63a89	1202	* This parameter can be a value from 0 to 255
elmot	1:d0dfbce63a89	1203	* @param speed: Current device speed
elmot	1:d0dfbce63a89	1204	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1205	* @arg USB_OTG_SPEED_HIGH: High speed mode
elmot	1:d0dfbce63a89	1206	* @arg USB_OTG_SPEED_FULL: Full speed mode
elmot	1:d0dfbce63a89	1207	* @arg USB_OTG_SPEED_LOW: Low speed mode
elmot	1:d0dfbce63a89	1208	* @param ep_type: Endpoint Type
elmot	1:d0dfbce63a89	1209	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1210	* @arg EP_TYPE_CTRL: Control type
elmot	1:d0dfbce63a89	1211	* @arg EP_TYPE_ISOC: Isochronous type
elmot	1:d0dfbce63a89	1212	* @arg EP_TYPE_BULK: Bulk type
elmot	1:d0dfbce63a89	1213	* @arg EP_TYPE_INTR: Interrupt type
elmot	1:d0dfbce63a89	1214	* @param mps: Max Packet Size
elmot	1:d0dfbce63a89	1215	* This parameter can be a value from 0 to32K
elmot	1:d0dfbce63a89	1216	* @retval HAL state
elmot	1:d0dfbce63a89	1217	*/
elmot	1:d0dfbce63a89	1218	HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx,
elmot	1:d0dfbce63a89	1219	uint8_t ch_num,
elmot	1:d0dfbce63a89	1220	uint8_t epnum,
elmot	1:d0dfbce63a89	1221	uint8_t dev_address,
elmot	1:d0dfbce63a89	1222	uint8_t speed,
elmot	1:d0dfbce63a89	1223	uint8_t ep_type,
elmot	1:d0dfbce63a89	1224	uint16_t mps)
elmot	1:d0dfbce63a89	1225	{
elmot	1:d0dfbce63a89	1226
elmot	1:d0dfbce63a89	1227	/* Clear old interrupt conditions for this host channel. */
elmot	1:d0dfbce63a89	1228	USBx_HC(ch_num)->HCINT = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	1229
elmot	1:d0dfbce63a89	1230	/* Enable channel interrupts required for this transfer. */
elmot	1:d0dfbce63a89	1231	switch (ep_type)
elmot	1:d0dfbce63a89	1232	{
elmot	1:d0dfbce63a89	1233	case EP_TYPE_CTRL:
elmot	1:d0dfbce63a89	1234	case EP_TYPE_BULK:
elmot	1:d0dfbce63a89	1235
elmot	1:d0dfbce63a89	1236	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
elmot	1:d0dfbce63a89	1237	USB_OTG_HCINTMSK_STALLM \|\
elmot	1:d0dfbce63a89	1238	USB_OTG_HCINTMSK_TXERRM \|\
elmot	1:d0dfbce63a89	1239	USB_OTG_HCINTMSK_DTERRM \|\
elmot	1:d0dfbce63a89	1240	USB_OTG_HCINTMSK_AHBERR \|\
elmot	1:d0dfbce63a89	1241	USB_OTG_HCINTMSK_NAKM ;
elmot	1:d0dfbce63a89	1242
elmot	1:d0dfbce63a89	1243	if (epnum & 0x80)
elmot	1:d0dfbce63a89	1244	{
elmot	1:d0dfbce63a89	1245	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
elmot	1:d0dfbce63a89	1246	}
elmot	1:d0dfbce63a89	1247	break;
elmot	1:d0dfbce63a89	1248
elmot	1:d0dfbce63a89	1249	case EP_TYPE_INTR:
elmot	1:d0dfbce63a89	1250
elmot	1:d0dfbce63a89	1251	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
elmot	1:d0dfbce63a89	1252	USB_OTG_HCINTMSK_STALLM \|\
elmot	1:d0dfbce63a89	1253	USB_OTG_HCINTMSK_TXERRM \|\
elmot	1:d0dfbce63a89	1254	USB_OTG_HCINTMSK_DTERRM \|\
elmot	1:d0dfbce63a89	1255	USB_OTG_HCINTMSK_NAKM \|\
elmot	1:d0dfbce63a89	1256	USB_OTG_HCINTMSK_AHBERR \|\
elmot	1:d0dfbce63a89	1257	USB_OTG_HCINTMSK_FRMORM ;
elmot	1:d0dfbce63a89	1258
elmot	1:d0dfbce63a89	1259	if (epnum & 0x80)
elmot	1:d0dfbce63a89	1260	{
elmot	1:d0dfbce63a89	1261	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
elmot	1:d0dfbce63a89	1262	}
elmot	1:d0dfbce63a89	1263
elmot	1:d0dfbce63a89	1264	break;
elmot	1:d0dfbce63a89	1265	case EP_TYPE_ISOC:
elmot	1:d0dfbce63a89	1266
elmot	1:d0dfbce63a89	1267	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
elmot	1:d0dfbce63a89	1268	USB_OTG_HCINTMSK_ACKM \|\
elmot	1:d0dfbce63a89	1269	USB_OTG_HCINTMSK_AHBERR \|\
elmot	1:d0dfbce63a89	1270	USB_OTG_HCINTMSK_FRMORM ;
elmot	1:d0dfbce63a89	1271
elmot	1:d0dfbce63a89	1272	if (epnum & 0x80)
elmot	1:d0dfbce63a89	1273	{
elmot	1:d0dfbce63a89	1274	USBx_HC(ch_num)->HCINTMSK \|= (USB_OTG_HCINTMSK_TXERRM \| USB_OTG_HCINTMSK_BBERRM);
elmot	1:d0dfbce63a89	1275	}
elmot	1:d0dfbce63a89	1276	break;
elmot	1:d0dfbce63a89	1277	}
elmot	1:d0dfbce63a89	1278
elmot	1:d0dfbce63a89	1279	/* Enable the top level host channel interrupt. */
elmot	1:d0dfbce63a89	1280	USBx_HOST->HAINTMSK \|= (1 << ch_num);
elmot	1:d0dfbce63a89	1281
elmot	1:d0dfbce63a89	1282	/* Make sure host channel interrupts are enabled. */
elmot	1:d0dfbce63a89	1283	USBx->GINTMSK \|= USB_OTG_GINTMSK_HCIM;
elmot	1:d0dfbce63a89	1284
elmot	1:d0dfbce63a89	1285	/* Program the HCCHAR register */
elmot	1:d0dfbce63a89	1286	USBx_HC(ch_num)->HCCHAR = (((dev_address << 22) & USB_OTG_HCCHAR_DAD) \|\
elmot	1:d0dfbce63a89	1287	(((epnum & 0x7F)<< 11) & USB_OTG_HCCHAR_EPNUM)\|\
elmot	1:d0dfbce63a89	1288	((((epnum & 0x80) == 0x80)<< 15) & USB_OTG_HCCHAR_EPDIR)\|\
elmot	1:d0dfbce63a89	1289	(((speed == HPRT0_PRTSPD_LOW_SPEED)<< 17) & USB_OTG_HCCHAR_LSDEV)\|\
elmot	1:d0dfbce63a89	1290	((ep_type << 18) & USB_OTG_HCCHAR_EPTYP)\|\
elmot	1:d0dfbce63a89	1291	(mps & USB_OTG_HCCHAR_MPSIZ));
elmot	1:d0dfbce63a89	1292
elmot	1:d0dfbce63a89	1293	if (ep_type == EP_TYPE_INTR)
elmot	1:d0dfbce63a89	1294	{
elmot	1:d0dfbce63a89	1295	USBx_HC(ch_num)->HCCHAR \|= USB_OTG_HCCHAR_ODDFRM ;
elmot	1:d0dfbce63a89	1296	}
elmot	1:d0dfbce63a89	1297
elmot	1:d0dfbce63a89	1298	return HAL_OK;
elmot	1:d0dfbce63a89	1299	}
elmot	1:d0dfbce63a89	1300
elmot	1:d0dfbce63a89	1301	/**
elmot	1:d0dfbce63a89	1302	* @brief Start a transfer over a host channel
elmot	1:d0dfbce63a89	1303	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1304	* @param hc: pointer to host channel structure
elmot	1:d0dfbce63a89	1305	* @param dma: USB dma enabled or disabled
elmot	1:d0dfbce63a89	1306	* This parameter can be one of these values:
elmot	1:d0dfbce63a89	1307	* 0 : DMA feature not used
elmot	1:d0dfbce63a89	1308	* 1 : DMA feature used
elmot	1:d0dfbce63a89	1309	* @retval HAL state
elmot	1:d0dfbce63a89	1310	*/
elmot	1:d0dfbce63a89	1311	#if defined (__CC_ARM) /!< ARM Compiler /
elmot	1:d0dfbce63a89	1312	#pragma O0
elmot	1:d0dfbce63a89	1313	#elif defined (__GNUC__) /!< GNU Compiler /
elmot	1:d0dfbce63a89	1314	#pragma GCC optimize ("O0")
elmot	1:d0dfbce63a89	1315	#endif /* __CC_ARM */
elmot	1:d0dfbce63a89	1316	HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef USBx, USB_OTG_HCTypeDef hc, uint8_t dma)
elmot	1:d0dfbce63a89	1317	{
elmot	1:d0dfbce63a89	1318	uint8_t is_oddframe = 0;
elmot	1:d0dfbce63a89	1319	uint16_t len_words = 0;
elmot	1:d0dfbce63a89	1320	uint16_t num_packets = 0;
elmot	1:d0dfbce63a89	1321	uint16_t max_hc_pkt_count = 256;
elmot	1:d0dfbce63a89	1322	uint32_t tmpreg = 0;
elmot	1:d0dfbce63a89	1323
elmot	1:d0dfbce63a89	1324	/* Compute the expected number of packets associated to the transfer */
elmot	1:d0dfbce63a89	1325	if (hc->xfer_len > 0)
elmot	1:d0dfbce63a89	1326	{
elmot	1:d0dfbce63a89	1327	num_packets = (hc->xfer_len + hc->max_packet - 1) / hc->max_packet;
elmot	1:d0dfbce63a89	1328
elmot	1:d0dfbce63a89	1329	if (num_packets > max_hc_pkt_count)
elmot	1:d0dfbce63a89	1330	{
elmot	1:d0dfbce63a89	1331	num_packets = max_hc_pkt_count;
elmot	1:d0dfbce63a89	1332	hc->xfer_len = num_packets * hc->max_packet;
elmot	1:d0dfbce63a89	1333	}
elmot	1:d0dfbce63a89	1334	}
elmot	1:d0dfbce63a89	1335	else
elmot	1:d0dfbce63a89	1336	{
elmot	1:d0dfbce63a89	1337	num_packets = 1;
elmot	1:d0dfbce63a89	1338	}
elmot	1:d0dfbce63a89	1339	if (hc->ep_is_in)
elmot	1:d0dfbce63a89	1340	{
elmot	1:d0dfbce63a89	1341	hc->xfer_len = num_packets * hc->max_packet;
elmot	1:d0dfbce63a89	1342	}
elmot	1:d0dfbce63a89	1343
elmot	1:d0dfbce63a89	1344	/* Initialize the HCTSIZn register */
elmot	1:d0dfbce63a89	1345	USBx_HC(hc->ch_num)->HCTSIZ = (((hc->xfer_len) & USB_OTG_HCTSIZ_XFRSIZ)) \|\
elmot	1:d0dfbce63a89	1346	((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) \|\
elmot	1:d0dfbce63a89	1347	(((hc->data_pid) << 29) & USB_OTG_HCTSIZ_DPID);
elmot	1:d0dfbce63a89	1348
elmot	1:d0dfbce63a89	1349	if (dma)
elmot	1:d0dfbce63a89	1350	{
elmot	1:d0dfbce63a89	1351	/* xfer_buff MUST be 32-bits aligned */
elmot	1:d0dfbce63a89	1352	USBx_HC(hc->ch_num)->HCDMA = (uint32_t)hc->xfer_buff;
elmot	1:d0dfbce63a89	1353	}
elmot	1:d0dfbce63a89	1354
elmot	1:d0dfbce63a89	1355	is_oddframe = (USBx_HOST->HFNUM & 0x01) ? 0 : 1;
elmot	1:d0dfbce63a89	1356	USBx_HC(hc->ch_num)->HCCHAR &= ~USB_OTG_HCCHAR_ODDFRM;
elmot	1:d0dfbce63a89	1357	USBx_HC(hc->ch_num)->HCCHAR \|= (is_oddframe << 29);
elmot	1:d0dfbce63a89	1358
elmot	1:d0dfbce63a89	1359	/* Set host channel enable */
elmot	1:d0dfbce63a89	1360	tmpreg = USBx_HC(hc->ch_num)->HCCHAR;
elmot	1:d0dfbce63a89	1361	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1362	tmpreg \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1363	USBx_HC(hc->ch_num)->HCCHAR = tmpreg;
elmot	1:d0dfbce63a89	1364
elmot	1:d0dfbce63a89	1365	if (dma == 0) /* Slave mode */
elmot	1:d0dfbce63a89	1366	{
elmot	1:d0dfbce63a89	1367	if((hc->ep_is_in == 0) && (hc->xfer_len > 0))
elmot	1:d0dfbce63a89	1368	{
elmot	1:d0dfbce63a89	1369	switch(hc->ep_type)
elmot	1:d0dfbce63a89	1370	{
elmot	1:d0dfbce63a89	1371	/* Non periodic transfer */
elmot	1:d0dfbce63a89	1372	case EP_TYPE_CTRL:
elmot	1:d0dfbce63a89	1373	case EP_TYPE_BULK:
elmot	1:d0dfbce63a89	1374
elmot	1:d0dfbce63a89	1375	len_words = (hc->xfer_len + 3) / 4;
elmot	1:d0dfbce63a89	1376
elmot	1:d0dfbce63a89	1377	/* check if there is enough space in FIFO space */
elmot	1:d0dfbce63a89	1378	if(len_words > (USBx->HNPTXSTS & 0xFFFF))
elmot	1:d0dfbce63a89	1379	{
elmot	1:d0dfbce63a89	1380	/* need to process data in nptxfempty interrupt */
elmot	1:d0dfbce63a89	1381	USBx->GINTMSK \|= USB_OTG_GINTMSK_NPTXFEM;
elmot	1:d0dfbce63a89	1382	}
elmot	1:d0dfbce63a89	1383	break;
elmot	1:d0dfbce63a89	1384	/* Periodic transfer */
elmot	1:d0dfbce63a89	1385	case EP_TYPE_INTR:
elmot	1:d0dfbce63a89	1386	case EP_TYPE_ISOC:
elmot	1:d0dfbce63a89	1387	len_words = (hc->xfer_len + 3) / 4;
elmot	1:d0dfbce63a89	1388	/* check if there is enough space in FIFO space */
elmot	1:d0dfbce63a89	1389	if(len_words > (USBx_HOST->HPTXSTS & 0xFFFF)) /* split the transfer */
elmot	1:d0dfbce63a89	1390	{
elmot	1:d0dfbce63a89	1391	/* need to process data in ptxfempty interrupt */
elmot	1:d0dfbce63a89	1392	USBx->GINTMSK \|= USB_OTG_GINTMSK_PTXFEM;
elmot	1:d0dfbce63a89	1393	}
elmot	1:d0dfbce63a89	1394	break;
elmot	1:d0dfbce63a89	1395
elmot	1:d0dfbce63a89	1396	default:
elmot	1:d0dfbce63a89	1397	break;
elmot	1:d0dfbce63a89	1398	}
elmot	1:d0dfbce63a89	1399
elmot	1:d0dfbce63a89	1400	/* Write packet into the Tx FIFO. */
elmot	1:d0dfbce63a89	1401	USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, hc->xfer_len, 0);
elmot	1:d0dfbce63a89	1402	hc->xfer_count = hc->xfer_len;
elmot	1:d0dfbce63a89	1403
elmot	1:d0dfbce63a89	1404	}
elmot	1:d0dfbce63a89	1405	}
elmot	1:d0dfbce63a89	1406
elmot	1:d0dfbce63a89	1407	return HAL_OK;
elmot	1:d0dfbce63a89	1408	}
elmot	1:d0dfbce63a89	1409
elmot	1:d0dfbce63a89	1410	/**
elmot	1:d0dfbce63a89	1411	* @brief Read all host channel interrupts status
elmot	1:d0dfbce63a89	1412	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1413	* @retval HAL state
elmot	1:d0dfbce63a89	1414	*/
elmot	1:d0dfbce63a89	1415	uint32_t USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1416	{
elmot	1:d0dfbce63a89	1417	return ((USBx_HOST->HAINT) & 0xFFFF);
elmot	1:d0dfbce63a89	1418	}
elmot	1:d0dfbce63a89	1419
elmot	1:d0dfbce63a89	1420	/**
elmot	1:d0dfbce63a89	1421	* @brief Halt a host channel
elmot	1:d0dfbce63a89	1422	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1423	* @param hc_num: Host Channel number
elmot	1:d0dfbce63a89	1424	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	1425	* @retval HAL state
elmot	1:d0dfbce63a89	1426	*/
elmot	1:d0dfbce63a89	1427	HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx , uint8_t hc_num)
elmot	1:d0dfbce63a89	1428	{
elmot	1:d0dfbce63a89	1429	uint32_t count = 0;
elmot	1:d0dfbce63a89	1430
elmot	1:d0dfbce63a89	1431	/* Check for space in the request queue to issue the halt. */
elmot	1:d0dfbce63a89	1432	if (((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_CTRL << 18)) \|\| ((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_BULK << 18)))
elmot	1:d0dfbce63a89	1433	{
elmot	1:d0dfbce63a89	1434	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1435
elmot	1:d0dfbce63a89	1436	if ((USBx->HNPTXSTS & 0xFFFF) == 0)
elmot	1:d0dfbce63a89	1437	{
elmot	1:d0dfbce63a89	1438	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1439	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1440	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
elmot	1:d0dfbce63a89	1441	do
elmot	1:d0dfbce63a89	1442	{
elmot	1:d0dfbce63a89	1443	if (++count > 1000)
elmot	1:d0dfbce63a89	1444	{
elmot	1:d0dfbce63a89	1445	break;
elmot	1:d0dfbce63a89	1446	}
elmot	1:d0dfbce63a89	1447	}
elmot	1:d0dfbce63a89	1448	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
elmot	1:d0dfbce63a89	1449	}
elmot	1:d0dfbce63a89	1450	else
elmot	1:d0dfbce63a89	1451	{
elmot	1:d0dfbce63a89	1452	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1453	}
elmot	1:d0dfbce63a89	1454	}
elmot	1:d0dfbce63a89	1455	else
elmot	1:d0dfbce63a89	1456	{
elmot	1:d0dfbce63a89	1457	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1458
elmot	1:d0dfbce63a89	1459	if ((USBx_HOST->HPTXSTS & 0xFFFF) == 0)
elmot	1:d0dfbce63a89	1460	{
elmot	1:d0dfbce63a89	1461	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1462	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1463	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
elmot	1:d0dfbce63a89	1464	do
elmot	1:d0dfbce63a89	1465	{
elmot	1:d0dfbce63a89	1466	if (++count > 1000)
elmot	1:d0dfbce63a89	1467	{
elmot	1:d0dfbce63a89	1468	break;
elmot	1:d0dfbce63a89	1469	}
elmot	1:d0dfbce63a89	1470	}
elmot	1:d0dfbce63a89	1471	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
elmot	1:d0dfbce63a89	1472	}
elmot	1:d0dfbce63a89	1473	else
elmot	1:d0dfbce63a89	1474	{
elmot	1:d0dfbce63a89	1475	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1476	}
elmot	1:d0dfbce63a89	1477	}
elmot	1:d0dfbce63a89	1478
elmot	1:d0dfbce63a89	1479	return HAL_OK;
elmot	1:d0dfbce63a89	1480	}
elmot	1:d0dfbce63a89	1481
elmot	1:d0dfbce63a89	1482	/**
elmot	1:d0dfbce63a89	1483	* @brief Initiate Do Ping protocol
elmot	1:d0dfbce63a89	1484	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1485	* @param hc_num: Host Channel number
elmot	1:d0dfbce63a89	1486	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	1487	* @retval HAL state
elmot	1:d0dfbce63a89	1488	*/
elmot	1:d0dfbce63a89	1489	HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx , uint8_t ch_num)
elmot	1:d0dfbce63a89	1490	{
elmot	1:d0dfbce63a89	1491	uint8_t num_packets = 1;
elmot	1:d0dfbce63a89	1492	uint32_t tmpreg = 0;
elmot	1:d0dfbce63a89	1493
elmot	1:d0dfbce63a89	1494	USBx_HC(ch_num)->HCTSIZ = ((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) \|\
elmot	1:d0dfbce63a89	1495	USB_OTG_HCTSIZ_DOPING;
elmot	1:d0dfbce63a89	1496
elmot	1:d0dfbce63a89	1497	/* Set host channel enable */
elmot	1:d0dfbce63a89	1498	tmpreg = USBx_HC(ch_num)->HCCHAR;
elmot	1:d0dfbce63a89	1499	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1500	tmpreg \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1501	USBx_HC(ch_num)->HCCHAR = tmpreg;
elmot	1:d0dfbce63a89	1502
elmot	1:d0dfbce63a89	1503	return HAL_OK;
elmot	1:d0dfbce63a89	1504	}
elmot	1:d0dfbce63a89	1505
elmot	1:d0dfbce63a89	1506	/**
elmot	1:d0dfbce63a89	1507	* @brief Stop Host Core
elmot	1:d0dfbce63a89	1508	* @param USBx: Selected device
elmot	1:d0dfbce63a89	1509	* @retval HAL state
elmot	1:d0dfbce63a89	1510	*/
elmot	1:d0dfbce63a89	1511	HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1512	{
elmot	1:d0dfbce63a89	1513	uint8_t index;
elmot	1:d0dfbce63a89	1514	uint32_t count = 0;
elmot	1:d0dfbce63a89	1515	uint32_t value = 0;
elmot	1:d0dfbce63a89	1516
elmot	1:d0dfbce63a89	1517	USB_DisableGlobalInt(USBx);
elmot	1:d0dfbce63a89	1518
elmot	1:d0dfbce63a89	1519	/* Flush FIFO */
elmot	1:d0dfbce63a89	1520	USB_FlushTxFifo(USBx, 0x10);
elmot	1:d0dfbce63a89	1521	USB_FlushRxFifo(USBx);
elmot	1:d0dfbce63a89	1522
elmot	1:d0dfbce63a89	1523	/* Flush out any leftover queued requests. */
elmot	1:d0dfbce63a89	1524	for (index = 0; index <= 15; index++)
elmot	1:d0dfbce63a89	1525	{
elmot	1:d0dfbce63a89	1526	value = USBx_HC(index)->HCCHAR;
elmot	1:d0dfbce63a89	1527	value \|= USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1528	value &= ~USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1529	value &= ~USB_OTG_HCCHAR_EPDIR;
elmot	1:d0dfbce63a89	1530	USBx_HC(index)->HCCHAR = value;
elmot	1:d0dfbce63a89	1531	}
elmot	1:d0dfbce63a89	1532
elmot	1:d0dfbce63a89	1533	/* Halt all channels to put them into a known state. */
elmot	1:d0dfbce63a89	1534	for (index = 0; index <= 15; index++)
elmot	1:d0dfbce63a89	1535	{
elmot	1:d0dfbce63a89	1536	value = USBx_HC(index)->HCCHAR ;
elmot	1:d0dfbce63a89	1537	value \|= USB_OTG_HCCHAR_CHDIS;
elmot	1:d0dfbce63a89	1538	value \|= USB_OTG_HCCHAR_CHENA;
elmot	1:d0dfbce63a89	1539	value &= ~USB_OTG_HCCHAR_EPDIR;
elmot	1:d0dfbce63a89	1540	USBx_HC(index)->HCCHAR = value;
elmot	1:d0dfbce63a89	1541
elmot	1:d0dfbce63a89	1542	USBx_HC(index)->HCCHAR = value;
elmot	1:d0dfbce63a89	1543	do
elmot	1:d0dfbce63a89	1544	{
elmot	1:d0dfbce63a89	1545	if (++count > 1000)
elmot	1:d0dfbce63a89	1546	{
elmot	1:d0dfbce63a89	1547	break;
elmot	1:d0dfbce63a89	1548	}
elmot	1:d0dfbce63a89	1549	}
elmot	1:d0dfbce63a89	1550	while ((USBx_HC(index)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
elmot	1:d0dfbce63a89	1551	}
elmot	1:d0dfbce63a89	1552
elmot	1:d0dfbce63a89	1553	/* Clear any pending Host interrupts */
elmot	1:d0dfbce63a89	1554	USBx_HOST->HAINT = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	1555	USBx->GINTSTS = 0xFFFFFFFF;
elmot	1:d0dfbce63a89	1556	USB_EnableGlobalInt(USBx);
elmot	1:d0dfbce63a89	1557	return HAL_OK;
elmot	1:d0dfbce63a89	1558	}
elmot	1:d0dfbce63a89	1559
elmot	1:d0dfbce63a89	1560	/**
elmot	1:d0dfbce63a89	1561	* @brief USB_ActivateRemoteWakeup : active remote wakeup signalling
elmot	1:d0dfbce63a89	1562	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1563	* @retval HAL status
elmot	1:d0dfbce63a89	1564	*/
elmot	1:d0dfbce63a89	1565	HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1566	{
elmot	1:d0dfbce63a89	1567	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_SUSPSTS) == USB_OTG_DSTS_SUSPSTS)
elmot	1:d0dfbce63a89	1568	{
elmot	1:d0dfbce63a89	1569	/* active Remote wakeup signalling */
elmot	1:d0dfbce63a89	1570	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_RWUSIG;
elmot	1:d0dfbce63a89	1571	}
elmot	1:d0dfbce63a89	1572	return HAL_OK;
elmot	1:d0dfbce63a89	1573	}
elmot	1:d0dfbce63a89	1574
elmot	1:d0dfbce63a89	1575	/**
elmot	1:d0dfbce63a89	1576	* @brief USB_DeActivateRemoteWakeup : de-active remote wakeup signalling
elmot	1:d0dfbce63a89	1577	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1578	* @retval HAL status
elmot	1:d0dfbce63a89	1579	*/
elmot	1:d0dfbce63a89	1580	HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	1581	{
elmot	1:d0dfbce63a89	1582	/* active Remote wakeup signalling */
elmot	1:d0dfbce63a89	1583	USBx_DEVICE->DCTL &= ~(USB_OTG_DCTL_RWUSIG);
elmot	1:d0dfbce63a89	1584	return HAL_OK;
elmot	1:d0dfbce63a89	1585	}
elmot	1:d0dfbce63a89	1586
elmot	1:d0dfbce63a89	1587	#endif /* USB_OTG_FS */
elmot	1:d0dfbce63a89	1588
elmot	1:d0dfbce63a89	1589	/*==============================================================================
elmot	1:d0dfbce63a89	1590	USB Device FS peripheral available on STM32L432xx, STM32L433xx, STM32L442xx)
elmot	1:d0dfbce63a89	1591	and STM32L443xx devices
elmot	1:d0dfbce63a89	1592	==============================================================================*/
elmot	1:d0dfbce63a89	1593	#if defined (USB)
elmot	1:d0dfbce63a89	1594	/**
elmot	1:d0dfbce63a89	1595	* @brief Initializes the USB Core
elmot	1:d0dfbce63a89	1596	* @param USBx: USB Instance
elmot	1:d0dfbce63a89	1597	* @param cfg : pointer to a USB_CfgTypeDef structure that contains
elmot	1:d0dfbce63a89	1598	* the configuration information for the specified USBx peripheral.
elmot	1:d0dfbce63a89	1599	* @retval HAL status
elmot	1:d0dfbce63a89	1600	*/
elmot	1:d0dfbce63a89	1601	HAL_StatusTypeDef USB_CoreInit(USB_TypeDef *USBx, USB_CfgTypeDef cfg)
elmot	1:d0dfbce63a89	1602	{
elmot	1:d0dfbce63a89	1603	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	1604	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	1605	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	1606	*/
elmot	1:d0dfbce63a89	1607
elmot	1:d0dfbce63a89	1608	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1609	UNUSED(USBx);
elmot	1:d0dfbce63a89	1610	UNUSED(cfg);
elmot	1:d0dfbce63a89	1611
elmot	1:d0dfbce63a89	1612	return HAL_OK;
elmot	1:d0dfbce63a89	1613	}
elmot	1:d0dfbce63a89	1614
elmot	1:d0dfbce63a89	1615	/**
elmot	1:d0dfbce63a89	1616	* @brief USB_EnableGlobalInt
elmot	1:d0dfbce63a89	1617	* Enables the controller's Global Int in the AHB Config reg
elmot	1:d0dfbce63a89	1618	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1619	* @retval HAL status
elmot	1:d0dfbce63a89	1620	*/
elmot	1:d0dfbce63a89	1621	HAL_StatusTypeDef USB_EnableGlobalInt(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	1622	{
elmot	1:d0dfbce63a89	1623	uint32_t winterruptmask = 0;
elmot	1:d0dfbce63a89	1624
elmot	1:d0dfbce63a89	1625	/* Set winterruptmask variable */
elmot	1:d0dfbce63a89	1626	winterruptmask = USB_CNTR_CTRM \| USB_CNTR_WKUPM \| USB_CNTR_SUSPM \| USB_CNTR_ERRM \
elmot	1:d0dfbce63a89	1627	\| USB_CNTR_ESOFM \| USB_CNTR_RESETM;
elmot	1:d0dfbce63a89	1628
elmot	1:d0dfbce63a89	1629	/* Set interrupt mask */
elmot	1:d0dfbce63a89	1630	USBx->CNTR \|= winterruptmask;
elmot	1:d0dfbce63a89	1631
elmot	1:d0dfbce63a89	1632	return HAL_OK;
elmot	1:d0dfbce63a89	1633	}
elmot	1:d0dfbce63a89	1634
elmot	1:d0dfbce63a89	1635	/**
elmot	1:d0dfbce63a89	1636	* @brief USB_DisableGlobalInt
elmot	1:d0dfbce63a89	1637	* Disable the controller's Global Int in the AHB Config reg
elmot	1:d0dfbce63a89	1638	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1639	* @retval HAL status
elmot	1:d0dfbce63a89	1640	*/
elmot	1:d0dfbce63a89	1641	HAL_StatusTypeDef USB_DisableGlobalInt(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	1642	{
elmot	1:d0dfbce63a89	1643	uint32_t winterruptmask = 0;
elmot	1:d0dfbce63a89	1644
elmot	1:d0dfbce63a89	1645	/* Set winterruptmask variable */
elmot	1:d0dfbce63a89	1646	winterruptmask = USB_CNTR_CTRM \| USB_CNTR_WKUPM \| USB_CNTR_SUSPM \| USB_CNTR_ERRM \
elmot	1:d0dfbce63a89	1647	\| USB_CNTR_ESOFM \| USB_CNTR_RESETM;
elmot	1:d0dfbce63a89	1648
elmot	1:d0dfbce63a89	1649	/* Clear interrupt mask */
elmot	1:d0dfbce63a89	1650	USBx->CNTR &= ~winterruptmask;
elmot	1:d0dfbce63a89	1651
elmot	1:d0dfbce63a89	1652	return HAL_OK;
elmot	1:d0dfbce63a89	1653	}
elmot	1:d0dfbce63a89	1654
elmot	1:d0dfbce63a89	1655	/**
elmot	1:d0dfbce63a89	1656	* @brief USB_SetCurrentMode : Set functional mode
elmot	1:d0dfbce63a89	1657	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1658	* @param mode : current core mode
elmot	1:d0dfbce63a89	1659	* This parameter can be one of the these values:
elmot	1:d0dfbce63a89	1660	* @arg USB_DEVICE_MODE: Peripheral mode mode
elmot	1:d0dfbce63a89	1661	* @retval HAL status
elmot	1:d0dfbce63a89	1662	*/
elmot	1:d0dfbce63a89	1663	HAL_StatusTypeDef USB_SetCurrentMode(USB_TypeDef *USBx , USB_ModeTypeDef mode)
elmot	1:d0dfbce63a89	1664	{
elmot	1:d0dfbce63a89	1665	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	1666	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	1667	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	1668	*/
elmot	1:d0dfbce63a89	1669
elmot	1:d0dfbce63a89	1670	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1671	UNUSED(USBx);
elmot	1:d0dfbce63a89	1672	UNUSED(mode);
elmot	1:d0dfbce63a89	1673
elmot	1:d0dfbce63a89	1674	return HAL_OK;
elmot	1:d0dfbce63a89	1675	}
elmot	1:d0dfbce63a89	1676
elmot	1:d0dfbce63a89	1677	/**
elmot	1:d0dfbce63a89	1678	* @brief USB_DevInit : Initializes the USB controller registers
elmot	1:d0dfbce63a89	1679	* for device mode
elmot	1:d0dfbce63a89	1680	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1681	* @param cfg : pointer to a USB_CfgTypeDef structure that contains
elmot	1:d0dfbce63a89	1682	* the configuration information for the specified USBx peripheral.
elmot	1:d0dfbce63a89	1683	* @retval HAL status
elmot	1:d0dfbce63a89	1684	*/
elmot	1:d0dfbce63a89	1685	HAL_StatusTypeDef USB_DevInit (USB_TypeDef *USBx, USB_CfgTypeDef cfg)
elmot	1:d0dfbce63a89	1686	{
elmot	1:d0dfbce63a89	1687	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1688	UNUSED(cfg);
elmot	1:d0dfbce63a89	1689
elmot	1:d0dfbce63a89	1690	/* Init Device */
elmot	1:d0dfbce63a89	1691	/CNTR_FRES = 1/
elmot	1:d0dfbce63a89	1692	USBx->CNTR = USB_CNTR_FRES;
elmot	1:d0dfbce63a89	1693
elmot	1:d0dfbce63a89	1694	/CNTR_FRES = 0/
elmot	1:d0dfbce63a89	1695	USBx->CNTR = 0;
elmot	1:d0dfbce63a89	1696
elmot	1:d0dfbce63a89	1697	/Clear pending interrupts/
elmot	1:d0dfbce63a89	1698	USBx->ISTR = 0;
elmot	1:d0dfbce63a89	1699
elmot	1:d0dfbce63a89	1700	/Set Btable Address/
elmot	1:d0dfbce63a89	1701	USBx->BTABLE = BTABLE_ADDRESS;
elmot	1:d0dfbce63a89	1702
elmot	1:d0dfbce63a89	1703	return HAL_OK;
elmot	1:d0dfbce63a89	1704	}
elmot	1:d0dfbce63a89	1705
elmot	1:d0dfbce63a89	1706	/**
elmot	1:d0dfbce63a89	1707	* @brief USB_FlushTxFifo : Flush a Tx FIFO
elmot	1:d0dfbce63a89	1708	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1709	* @param num : FIFO number
elmot	1:d0dfbce63a89	1710	* This parameter can be a value from 1 to 15
elmot	1:d0dfbce63a89	1711	15 means Flush all Tx FIFOs
elmot	1:d0dfbce63a89	1712	* @retval HAL status
elmot	1:d0dfbce63a89	1713	*/
elmot	1:d0dfbce63a89	1714	HAL_StatusTypeDef USB_FlushTxFifo (USB_TypeDef *USBx, uint32_t num )
elmot	1:d0dfbce63a89	1715	{
elmot	1:d0dfbce63a89	1716	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	1717	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	1718	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	1719	*/
elmot	1:d0dfbce63a89	1720
elmot	1:d0dfbce63a89	1721	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1722	UNUSED(USBx);
elmot	1:d0dfbce63a89	1723	UNUSED(num);
elmot	1:d0dfbce63a89	1724
elmot	1:d0dfbce63a89	1725	return HAL_OK;
elmot	1:d0dfbce63a89	1726	}
elmot	1:d0dfbce63a89	1727
elmot	1:d0dfbce63a89	1728	/**
elmot	1:d0dfbce63a89	1729	* @brief USB_FlushRxFifo : Flush Rx FIFO
elmot	1:d0dfbce63a89	1730	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1731	* @retval HAL status
elmot	1:d0dfbce63a89	1732	*/
elmot	1:d0dfbce63a89	1733	HAL_StatusTypeDef USB_FlushRxFifo(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	1734	{
elmot	1:d0dfbce63a89	1735	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	1736	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	1737	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	1738	*/
elmot	1:d0dfbce63a89	1739
elmot	1:d0dfbce63a89	1740	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1741	UNUSED(USBx);
elmot	1:d0dfbce63a89	1742
elmot	1:d0dfbce63a89	1743	return HAL_OK;
elmot	1:d0dfbce63a89	1744	}
elmot	1:d0dfbce63a89	1745
elmot	1:d0dfbce63a89	1746	/**
elmot	1:d0dfbce63a89	1747	* @brief Activate and configure an endpoint
elmot	1:d0dfbce63a89	1748	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1749	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	1750	* @retval HAL status
elmot	1:d0dfbce63a89	1751	*/
elmot	1:d0dfbce63a89	1752	HAL_StatusTypeDef USB_ActivateEndpoint(USB_TypeDef USBx, USB_EPTypeDef ep)
elmot	1:d0dfbce63a89	1753	{
elmot	1:d0dfbce63a89	1754	/* initialize Endpoint */
elmot	1:d0dfbce63a89	1755	switch (ep->type)
elmot	1:d0dfbce63a89	1756	{
elmot	1:d0dfbce63a89	1757	case EP_TYPE_CTRL:
elmot	1:d0dfbce63a89	1758	PCD_SET_EPTYPE(USBx, ep->num, USB_EP_CONTROL);
elmot	1:d0dfbce63a89	1759	break;
elmot	1:d0dfbce63a89	1760	case EP_TYPE_BULK:
elmot	1:d0dfbce63a89	1761	PCD_SET_EPTYPE(USBx, ep->num, USB_EP_BULK);
elmot	1:d0dfbce63a89	1762	break;
elmot	1:d0dfbce63a89	1763	case EP_TYPE_INTR:
elmot	1:d0dfbce63a89	1764	PCD_SET_EPTYPE(USBx, ep->num, USB_EP_INTERRUPT);
elmot	1:d0dfbce63a89	1765	break;
elmot	1:d0dfbce63a89	1766	case EP_TYPE_ISOC:
elmot	1:d0dfbce63a89	1767	PCD_SET_EPTYPE(USBx, ep->num, USB_EP_ISOCHRONOUS);
elmot	1:d0dfbce63a89	1768	break;
elmot	1:d0dfbce63a89	1769	default:
elmot	1:d0dfbce63a89	1770	break;
elmot	1:d0dfbce63a89	1771	}
elmot	1:d0dfbce63a89	1772
elmot	1:d0dfbce63a89	1773	PCD_SET_EP_ADDRESS(USBx, ep->num, ep->num);
elmot	1:d0dfbce63a89	1774
elmot	1:d0dfbce63a89	1775	if (ep->doublebuffer == 0)
elmot	1:d0dfbce63a89	1776	{
elmot	1:d0dfbce63a89	1777	if (ep->is_in)
elmot	1:d0dfbce63a89	1778	{
elmot	1:d0dfbce63a89	1779	/Set the endpoint Transmit buffer address /
elmot	1:d0dfbce63a89	1780	PCD_SET_EP_TX_ADDRESS(USBx, ep->num, ep->pmaadress);
elmot	1:d0dfbce63a89	1781	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1782	/* Configure NAK status for the Endpoint*/
elmot	1:d0dfbce63a89	1783	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_NAK);
elmot	1:d0dfbce63a89	1784	}
elmot	1:d0dfbce63a89	1785	else
elmot	1:d0dfbce63a89	1786	{
elmot	1:d0dfbce63a89	1787	/Set the endpoint Receive buffer address /
elmot	1:d0dfbce63a89	1788	PCD_SET_EP_RX_ADDRESS(USBx, ep->num, ep->pmaadress);
elmot	1:d0dfbce63a89	1789	/Set the endpoint Receive buffer counter/
elmot	1:d0dfbce63a89	1790	PCD_SET_EP_RX_CNT(USBx, ep->num, ep->maxpacket);
elmot	1:d0dfbce63a89	1791	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1792	/* Configure VALID status for the Endpoint*/
elmot	1:d0dfbce63a89	1793	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
elmot	1:d0dfbce63a89	1794	}
elmot	1:d0dfbce63a89	1795	}
elmot	1:d0dfbce63a89	1796	/Double Buffer/
elmot	1:d0dfbce63a89	1797	else
elmot	1:d0dfbce63a89	1798	{
elmot	1:d0dfbce63a89	1799	/Set the endpoint as double buffered/
elmot	1:d0dfbce63a89	1800	PCD_SET_EP_DBUF(USBx, ep->num);
elmot	1:d0dfbce63a89	1801	/Set buffer address for double buffered mode/
elmot	1:d0dfbce63a89	1802	PCD_SET_EP_DBUF_ADDR(USBx, ep->num,ep->pmaaddr0, ep->pmaaddr1);
elmot	1:d0dfbce63a89	1803
elmot	1:d0dfbce63a89	1804	if (ep->is_in==0)
elmot	1:d0dfbce63a89	1805	{
elmot	1:d0dfbce63a89	1806	/* Clear the data toggle bits for the endpoint IN/OUT*/
elmot	1:d0dfbce63a89	1807	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1808	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1809
elmot	1:d0dfbce63a89	1810	/* Reset value of the data toggle bits for the endpoint out*/
elmot	1:d0dfbce63a89	1811	PCD_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1812
elmot	1:d0dfbce63a89	1813	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
elmot	1:d0dfbce63a89	1814	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
elmot	1:d0dfbce63a89	1815	}
elmot	1:d0dfbce63a89	1816	else
elmot	1:d0dfbce63a89	1817	{
elmot	1:d0dfbce63a89	1818	/* Clear the data toggle bits for the endpoint IN/OUT*/
elmot	1:d0dfbce63a89	1819	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1820	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1821	PCD_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1822	/* Configure DISABLE status for the Endpoint*/
elmot	1:d0dfbce63a89	1823	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
elmot	1:d0dfbce63a89	1824	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
elmot	1:d0dfbce63a89	1825	}
elmot	1:d0dfbce63a89	1826	}
elmot	1:d0dfbce63a89	1827
elmot	1:d0dfbce63a89	1828	return HAL_OK;
elmot	1:d0dfbce63a89	1829	}
elmot	1:d0dfbce63a89	1830
elmot	1:d0dfbce63a89	1831	/**
elmot	1:d0dfbce63a89	1832	* @brief De-activate and de-initialize an endpoint
elmot	1:d0dfbce63a89	1833	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1834	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	1835	* @retval HAL status
elmot	1:d0dfbce63a89	1836	*/
elmot	1:d0dfbce63a89	1837	HAL_StatusTypeDef USB_DeactivateEndpoint(USB_TypeDef USBx, USB_EPTypeDef ep)
elmot	1:d0dfbce63a89	1838	{
elmot	1:d0dfbce63a89	1839	if (ep->doublebuffer == 0)
elmot	1:d0dfbce63a89	1840	{
elmot	1:d0dfbce63a89	1841	if (ep->is_in)
elmot	1:d0dfbce63a89	1842	{
elmot	1:d0dfbce63a89	1843	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1844	/* Configure DISABLE status for the Endpoint*/
elmot	1:d0dfbce63a89	1845	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
elmot	1:d0dfbce63a89	1846	}
elmot	1:d0dfbce63a89	1847	else
elmot	1:d0dfbce63a89	1848	{
elmot	1:d0dfbce63a89	1849	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1850	/* Configure DISABLE status for the Endpoint*/
elmot	1:d0dfbce63a89	1851	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
elmot	1:d0dfbce63a89	1852	}
elmot	1:d0dfbce63a89	1853	}
elmot	1:d0dfbce63a89	1854	/Double Buffer/
elmot	1:d0dfbce63a89	1855	else
elmot	1:d0dfbce63a89	1856	{
elmot	1:d0dfbce63a89	1857	if (ep->is_in==0)
elmot	1:d0dfbce63a89	1858	{
elmot	1:d0dfbce63a89	1859	/* Clear the data toggle bits for the endpoint IN/OUT*/
elmot	1:d0dfbce63a89	1860	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1861	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1862
elmot	1:d0dfbce63a89	1863	/* Reset value of the data toggle bits for the endpoint out*/
elmot	1:d0dfbce63a89	1864	PCD_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1865
elmot	1:d0dfbce63a89	1866	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
elmot	1:d0dfbce63a89	1867	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
elmot	1:d0dfbce63a89	1868	}
elmot	1:d0dfbce63a89	1869	else
elmot	1:d0dfbce63a89	1870	{
elmot	1:d0dfbce63a89	1871	/* Clear the data toggle bits for the endpoint IN/OUT*/
elmot	1:d0dfbce63a89	1872	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1873	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1874	PCD_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	1875	/* Configure DISABLE status for the Endpoint*/
elmot	1:d0dfbce63a89	1876	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_DIS);
elmot	1:d0dfbce63a89	1877	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_DIS);
elmot	1:d0dfbce63a89	1878	}
elmot	1:d0dfbce63a89	1879	}
elmot	1:d0dfbce63a89	1880
elmot	1:d0dfbce63a89	1881	return HAL_OK;
elmot	1:d0dfbce63a89	1882	}
elmot	1:d0dfbce63a89	1883
elmot	1:d0dfbce63a89	1884	/**
elmot	1:d0dfbce63a89	1885	* @brief USB_EPStartXfer : setup and starts a transfer over an EP
elmot	1:d0dfbce63a89	1886	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1887	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	1888	* @retval HAL status
elmot	1:d0dfbce63a89	1889	*/
elmot	1:d0dfbce63a89	1890	HAL_StatusTypeDef USB_EPStartXfer(USB_TypeDef USBx , USB_EPTypeDef ep, uint8_t dma)
elmot	1:d0dfbce63a89	1891	{
elmot	1:d0dfbce63a89	1892	uint16_t pmabuffer = 0;
elmot	1:d0dfbce63a89	1893	uint32_t len = ep->xfer_len;
elmot	1:d0dfbce63a89	1894
elmot	1:d0dfbce63a89	1895	/* IN endpoint */
elmot	1:d0dfbce63a89	1896	if (ep->is_in == 1)
elmot	1:d0dfbce63a89	1897	{
elmot	1:d0dfbce63a89	1898	/Multi packet transfer/
elmot	1:d0dfbce63a89	1899	if (ep->xfer_len > ep->maxpacket)
elmot	1:d0dfbce63a89	1900	{
elmot	1:d0dfbce63a89	1901	len=ep->maxpacket;
elmot	1:d0dfbce63a89	1902	ep->xfer_len-=len;
elmot	1:d0dfbce63a89	1903	}
elmot	1:d0dfbce63a89	1904	else
elmot	1:d0dfbce63a89	1905	{
elmot	1:d0dfbce63a89	1906	len=ep->xfer_len;
elmot	1:d0dfbce63a89	1907	ep->xfer_len =0;
elmot	1:d0dfbce63a89	1908	}
elmot	1:d0dfbce63a89	1909
elmot	1:d0dfbce63a89	1910	/* configure and validate Tx endpoint */
elmot	1:d0dfbce63a89	1911	if (ep->doublebuffer == 0)
elmot	1:d0dfbce63a89	1912	{
elmot	1:d0dfbce63a89	1913	USB_WritePMA(USBx, ep->xfer_buff, ep->pmaadress, len);
elmot	1:d0dfbce63a89	1914	PCD_SET_EP_TX_CNT(USBx, ep->num, len);
elmot	1:d0dfbce63a89	1915	}
elmot	1:d0dfbce63a89	1916	else
elmot	1:d0dfbce63a89	1917	{
elmot	1:d0dfbce63a89	1918	/* Write the data to the USB endpoint */
elmot	1:d0dfbce63a89	1919	if (PCD_GET_ENDPOINT(USBx, ep->num)& USB_EP_DTOG_TX)
elmot	1:d0dfbce63a89	1920	{
elmot	1:d0dfbce63a89	1921	/* Set the Double buffer counter for pmabuffer1 */
elmot	1:d0dfbce63a89	1922	PCD_SET_EP_DBUF1_CNT(USBx, ep->num, ep->is_in, len);
elmot	1:d0dfbce63a89	1923	pmabuffer = ep->pmaaddr1;
elmot	1:d0dfbce63a89	1924	}
elmot	1:d0dfbce63a89	1925	else
elmot	1:d0dfbce63a89	1926	{
elmot	1:d0dfbce63a89	1927	/* Set the Double buffer counter for pmabuffer0 */
elmot	1:d0dfbce63a89	1928	PCD_SET_EP_DBUF0_CNT(USBx, ep->num, ep->is_in, len);
elmot	1:d0dfbce63a89	1929	pmabuffer = ep->pmaaddr0;
elmot	1:d0dfbce63a89	1930	}
elmot	1:d0dfbce63a89	1931	USB_WritePMA(USBx, ep->xfer_buff, pmabuffer, len);
elmot	1:d0dfbce63a89	1932	PCD_FreeUserBuffer(USBx, ep->num, ep->is_in);
elmot	1:d0dfbce63a89	1933	}
elmot	1:d0dfbce63a89	1934
elmot	1:d0dfbce63a89	1935	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_VALID);
elmot	1:d0dfbce63a89	1936	}
elmot	1:d0dfbce63a89	1937	else /* OUT endpoint */
elmot	1:d0dfbce63a89	1938	{
elmot	1:d0dfbce63a89	1939	/* Multi packet transfer*/
elmot	1:d0dfbce63a89	1940	if (ep->xfer_len > ep->maxpacket)
elmot	1:d0dfbce63a89	1941	{
elmot	1:d0dfbce63a89	1942	len=ep->maxpacket;
elmot	1:d0dfbce63a89	1943	ep->xfer_len-=len;
elmot	1:d0dfbce63a89	1944	}
elmot	1:d0dfbce63a89	1945	else
elmot	1:d0dfbce63a89	1946	{
elmot	1:d0dfbce63a89	1947	len=ep->xfer_len;
elmot	1:d0dfbce63a89	1948	ep->xfer_len =0;
elmot	1:d0dfbce63a89	1949	}
elmot	1:d0dfbce63a89	1950
elmot	1:d0dfbce63a89	1951	/* configure and validate Rx endpoint */
elmot	1:d0dfbce63a89	1952	if (ep->doublebuffer == 0)
elmot	1:d0dfbce63a89	1953	{
elmot	1:d0dfbce63a89	1954	/Set RX buffer count/
elmot	1:d0dfbce63a89	1955	PCD_SET_EP_RX_CNT(USBx, ep->num, len);
elmot	1:d0dfbce63a89	1956	}
elmot	1:d0dfbce63a89	1957	else
elmot	1:d0dfbce63a89	1958	{
elmot	1:d0dfbce63a89	1959	/Set the Double buffer counter/
elmot	1:d0dfbce63a89	1960	PCD_SET_EP_DBUF1_CNT(USBx, ep->num, ep->is_in, len);
elmot	1:d0dfbce63a89	1961	}
elmot	1:d0dfbce63a89	1962
elmot	1:d0dfbce63a89	1963	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
elmot	1:d0dfbce63a89	1964	}
elmot	1:d0dfbce63a89	1965
elmot	1:d0dfbce63a89	1966	return HAL_OK;
elmot	1:d0dfbce63a89	1967	}
elmot	1:d0dfbce63a89	1968
elmot	1:d0dfbce63a89	1969	/**
elmot	1:d0dfbce63a89	1970	* @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
elmot	1:d0dfbce63a89	1971	* with the EP/channel
elmot	1:d0dfbce63a89	1972	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1973	* @param src : pointer to source buffer
elmot	1:d0dfbce63a89	1974	* @param ch_ep_num : endpoint or host channel number
elmot	1:d0dfbce63a89	1975	* @param len : Number of bytes to write
elmot	1:d0dfbce63a89	1976	* @retval HAL status
elmot	1:d0dfbce63a89	1977	*/
elmot	1:d0dfbce63a89	1978	HAL_StatusTypeDef USB_WritePacket(USB_TypeDef USBx, uint8_t src, uint8_t ch_ep_num, uint16_t len)
elmot	1:d0dfbce63a89	1979	{
elmot	1:d0dfbce63a89	1980	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	1981	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	1982	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	1983	*/
elmot	1:d0dfbce63a89	1984
elmot	1:d0dfbce63a89	1985	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	1986	UNUSED(USBx);
elmot	1:d0dfbce63a89	1987	UNUSED(src);
elmot	1:d0dfbce63a89	1988	UNUSED(ch_ep_num);
elmot	1:d0dfbce63a89	1989	UNUSED(len);
elmot	1:d0dfbce63a89	1990
elmot	1:d0dfbce63a89	1991	return HAL_OK;
elmot	1:d0dfbce63a89	1992	}
elmot	1:d0dfbce63a89	1993
elmot	1:d0dfbce63a89	1994	/**
elmot	1:d0dfbce63a89	1995	* @brief USB_ReadPacket : read a packet from the Tx FIFO associated
elmot	1:d0dfbce63a89	1996	* with the EP/channel
elmot	1:d0dfbce63a89	1997	* @param USBx : Selected device
elmot	1:d0dfbce63a89	1998	* @param dest : destination pointer
elmot	1:d0dfbce63a89	1999	* @param len : Number of bytes to read
elmot	1:d0dfbce63a89	2000	* @retval pointer to destination buffer
elmot	1:d0dfbce63a89	2001	*/
elmot	1:d0dfbce63a89	2002	void USB_ReadPacket(USB_TypeDef USBx, uint8_t *dest, uint16_t len)
elmot	1:d0dfbce63a89	2003	{
elmot	1:d0dfbce63a89	2004	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2005	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2006	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2007	*/
elmot	1:d0dfbce63a89	2008
elmot	1:d0dfbce63a89	2009	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2010	UNUSED(USBx);
elmot	1:d0dfbce63a89	2011	UNUSED(dest);
elmot	1:d0dfbce63a89	2012	UNUSED(len);
elmot	1:d0dfbce63a89	2013
elmot	1:d0dfbce63a89	2014	return ((void *)NULL);
elmot	1:d0dfbce63a89	2015	}
elmot	1:d0dfbce63a89	2016
elmot	1:d0dfbce63a89	2017	/**
elmot	1:d0dfbce63a89	2018	* @brief USB_EPSetStall : set a stall condition over an EP
elmot	1:d0dfbce63a89	2019	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2020	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	2021	* @retval HAL status
elmot	1:d0dfbce63a89	2022	*/
elmot	1:d0dfbce63a89	2023	HAL_StatusTypeDef USB_EPSetStall(USB_TypeDef USBx , USB_EPTypeDef ep)
elmot	1:d0dfbce63a89	2024	{
elmot	1:d0dfbce63a89	2025	if (ep->num == 0)
elmot	1:d0dfbce63a89	2026	{
elmot	1:d0dfbce63a89	2027	/* This macro sets STALL status for RX & TX*/
elmot	1:d0dfbce63a89	2028	PCD_SET_EP_TXRX_STATUS(USBx, ep->num, USB_EP_RX_STALL, USB_EP_TX_STALL);
elmot	1:d0dfbce63a89	2029	}
elmot	1:d0dfbce63a89	2030	else
elmot	1:d0dfbce63a89	2031	{
elmot	1:d0dfbce63a89	2032	if (ep->is_in)
elmot	1:d0dfbce63a89	2033	{
elmot	1:d0dfbce63a89	2034	PCD_SET_EP_TX_STATUS(USBx, ep->num , USB_EP_TX_STALL);
elmot	1:d0dfbce63a89	2035	}
elmot	1:d0dfbce63a89	2036	else
elmot	1:d0dfbce63a89	2037	{
elmot	1:d0dfbce63a89	2038	PCD_SET_EP_RX_STATUS(USBx, ep->num , USB_EP_RX_STALL);
elmot	1:d0dfbce63a89	2039	}
elmot	1:d0dfbce63a89	2040	}
elmot	1:d0dfbce63a89	2041	return HAL_OK;
elmot	1:d0dfbce63a89	2042	}
elmot	1:d0dfbce63a89	2043
elmot	1:d0dfbce63a89	2044	/**
elmot	1:d0dfbce63a89	2045	* @brief USB_EPClearStall : Clear a stall condition over an EP
elmot	1:d0dfbce63a89	2046	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2047	* @param ep: pointer to endpoint structure
elmot	1:d0dfbce63a89	2048	* @retval HAL status
elmot	1:d0dfbce63a89	2049	*/
elmot	1:d0dfbce63a89	2050	HAL_StatusTypeDef USB_EPClearStall(USB_TypeDef USBx, USB_EPTypeDef ep)
elmot	1:d0dfbce63a89	2051	{
elmot	1:d0dfbce63a89	2052	if (ep->is_in)
elmot	1:d0dfbce63a89	2053	{
elmot	1:d0dfbce63a89	2054	PCD_CLEAR_TX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	2055	PCD_SET_EP_TX_STATUS(USBx, ep->num, USB_EP_TX_VALID);
elmot	1:d0dfbce63a89	2056	}
elmot	1:d0dfbce63a89	2057	else
elmot	1:d0dfbce63a89	2058	{
elmot	1:d0dfbce63a89	2059	PCD_CLEAR_RX_DTOG(USBx, ep->num);
elmot	1:d0dfbce63a89	2060	PCD_SET_EP_RX_STATUS(USBx, ep->num, USB_EP_RX_VALID);
elmot	1:d0dfbce63a89	2061	}
elmot	1:d0dfbce63a89	2062	return HAL_OK;
elmot	1:d0dfbce63a89	2063	}
elmot	1:d0dfbce63a89	2064
elmot	1:d0dfbce63a89	2065	/**
elmot	1:d0dfbce63a89	2066	* @brief USB_StopDevice : Stop the usb device mode
elmot	1:d0dfbce63a89	2067	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2068	* @retval HAL status
elmot	1:d0dfbce63a89	2069	*/
elmot	1:d0dfbce63a89	2070	HAL_StatusTypeDef USB_StopDevice(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2071	{
elmot	1:d0dfbce63a89	2072	/* disable all interrupts and force USB reset */
elmot	1:d0dfbce63a89	2073	USBx->CNTR = USB_CNTR_FRES;
elmot	1:d0dfbce63a89	2074
elmot	1:d0dfbce63a89	2075	/* clear interrupt status register */
elmot	1:d0dfbce63a89	2076	USBx->ISTR = 0;
elmot	1:d0dfbce63a89	2077
elmot	1:d0dfbce63a89	2078	/* switch-off device */
elmot	1:d0dfbce63a89	2079	USBx->CNTR = (USB_CNTR_FRES \| USB_CNTR_PDWN);
elmot	1:d0dfbce63a89	2080
elmot	1:d0dfbce63a89	2081	return HAL_OK;
elmot	1:d0dfbce63a89	2082	}
elmot	1:d0dfbce63a89	2083
elmot	1:d0dfbce63a89	2084	/**
elmot	1:d0dfbce63a89	2085	* @brief USB_SetDevAddress : Stop the usb device mode
elmot	1:d0dfbce63a89	2086	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2087	* @param address : new device address to be assigned
elmot	1:d0dfbce63a89	2088	* This parameter can be a value from 0 to 255
elmot	1:d0dfbce63a89	2089	* @retval HAL status
elmot	1:d0dfbce63a89	2090	*/
elmot	1:d0dfbce63a89	2091	HAL_StatusTypeDef USB_SetDevAddress (USB_TypeDef *USBx, uint8_t address)
elmot	1:d0dfbce63a89	2092	{
elmot	1:d0dfbce63a89	2093	if(address == 0)
elmot	1:d0dfbce63a89	2094	{
elmot	1:d0dfbce63a89	2095	/* set device address and enable function */
elmot	1:d0dfbce63a89	2096	USBx->DADDR = USB_DADDR_EF;
elmot	1:d0dfbce63a89	2097	}
elmot	1:d0dfbce63a89	2098
elmot	1:d0dfbce63a89	2099	return HAL_OK;
elmot	1:d0dfbce63a89	2100	}
elmot	1:d0dfbce63a89	2101
elmot	1:d0dfbce63a89	2102	/**
elmot	1:d0dfbce63a89	2103	* @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
elmot	1:d0dfbce63a89	2104	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2105	* @retval HAL status
elmot	1:d0dfbce63a89	2106	*/
elmot	1:d0dfbce63a89	2107	HAL_StatusTypeDef USB_DevConnect (USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2108	{
elmot	1:d0dfbce63a89	2109	/* Enabling DP Pull-Down bit to Connect internal pull-up on USB DP line */
elmot	1:d0dfbce63a89	2110	USB->BCDR \|= USB_BCDR_DPPU;
elmot	1:d0dfbce63a89	2111
elmot	1:d0dfbce63a89	2112	return HAL_OK;
elmot	1:d0dfbce63a89	2113	}
elmot	1:d0dfbce63a89	2114
elmot	1:d0dfbce63a89	2115	/**
elmot	1:d0dfbce63a89	2116	* @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
elmot	1:d0dfbce63a89	2117	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2118	* @retval HAL status
elmot	1:d0dfbce63a89	2119	*/
elmot	1:d0dfbce63a89	2120	HAL_StatusTypeDef USB_DevDisconnect (USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2121	{
elmot	1:d0dfbce63a89	2122	/* Disable DP Pull-Down bit*/
elmot	1:d0dfbce63a89	2123	USB->BCDR &= ~(USB_BCDR_DPPU);
elmot	1:d0dfbce63a89	2124
elmot	1:d0dfbce63a89	2125	return HAL_OK;
elmot	1:d0dfbce63a89	2126	}
elmot	1:d0dfbce63a89	2127
elmot	1:d0dfbce63a89	2128	/**
elmot	1:d0dfbce63a89	2129	* @brief USB_ReadInterrupts: return the global USB interrupt status
elmot	1:d0dfbce63a89	2130	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2131	* @retval HAL status
elmot	1:d0dfbce63a89	2132	*/
elmot	1:d0dfbce63a89	2133	uint32_t USB_ReadInterrupts (USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2134	{
elmot	1:d0dfbce63a89	2135	uint32_t tmpreg = 0;
elmot	1:d0dfbce63a89	2136
elmot	1:d0dfbce63a89	2137	tmpreg = USBx->ISTR;
elmot	1:d0dfbce63a89	2138	return tmpreg;
elmot	1:d0dfbce63a89	2139	}
elmot	1:d0dfbce63a89	2140
elmot	1:d0dfbce63a89	2141	/**
elmot	1:d0dfbce63a89	2142	* @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
elmot	1:d0dfbce63a89	2143	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2144	* @retval HAL status
elmot	1:d0dfbce63a89	2145	*/
elmot	1:d0dfbce63a89	2146	uint32_t USB_ReadDevAllOutEpInterrupt (USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2147	{
elmot	1:d0dfbce63a89	2148	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2149	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2150	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2151	*/
elmot	1:d0dfbce63a89	2152
elmot	1:d0dfbce63a89	2153	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2154	UNUSED(USBx);
elmot	1:d0dfbce63a89	2155
elmot	1:d0dfbce63a89	2156	return (0);
elmot	1:d0dfbce63a89	2157	}
elmot	1:d0dfbce63a89	2158
elmot	1:d0dfbce63a89	2159	/**
elmot	1:d0dfbce63a89	2160	* @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
elmot	1:d0dfbce63a89	2161	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2162	* @retval HAL status
elmot	1:d0dfbce63a89	2163	*/
elmot	1:d0dfbce63a89	2164	uint32_t USB_ReadDevAllInEpInterrupt (USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2165	{
elmot	1:d0dfbce63a89	2166	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2167	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2168	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2169	*/
elmot	1:d0dfbce63a89	2170
elmot	1:d0dfbce63a89	2171	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2172	UNUSED(USBx);
elmot	1:d0dfbce63a89	2173
elmot	1:d0dfbce63a89	2174	return (0);
elmot	1:d0dfbce63a89	2175	}
elmot	1:d0dfbce63a89	2176
elmot	1:d0dfbce63a89	2177	/**
elmot	1:d0dfbce63a89	2178	* @brief Returns Device OUT EP Interrupt register
elmot	1:d0dfbce63a89	2179	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2180	* @param epnum : endpoint number
elmot	1:d0dfbce63a89	2181	* This parameter can be a value from 0 to 15
elmot	1:d0dfbce63a89	2182	* @retval Device OUT EP Interrupt register
elmot	1:d0dfbce63a89	2183	*/
elmot	1:d0dfbce63a89	2184	uint32_t USB_ReadDevOutEPInterrupt (USB_TypeDef *USBx , uint8_t epnum)
elmot	1:d0dfbce63a89	2185	{
elmot	1:d0dfbce63a89	2186	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2187	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2188	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2189	*/
elmot	1:d0dfbce63a89	2190
elmot	1:d0dfbce63a89	2191	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2192	UNUSED(USBx);
elmot	1:d0dfbce63a89	2193	UNUSED(epnum);
elmot	1:d0dfbce63a89	2194
elmot	1:d0dfbce63a89	2195	return (0);
elmot	1:d0dfbce63a89	2196	}
elmot	1:d0dfbce63a89	2197
elmot	1:d0dfbce63a89	2198	/**
elmot	1:d0dfbce63a89	2199	* @brief Returns Device IN EP Interrupt register
elmot	1:d0dfbce63a89	2200	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2201	* @param epnum : endpoint number
elmot	1:d0dfbce63a89	2202	* This parameter can be a value from 0 to 15
elmot	1:d0dfbce63a89	2203	* @retval Device IN EP Interrupt register
elmot	1:d0dfbce63a89	2204	*/
elmot	1:d0dfbce63a89	2205	uint32_t USB_ReadDevInEPInterrupt (USB_TypeDef *USBx , uint8_t epnum)
elmot	1:d0dfbce63a89	2206	{
elmot	1:d0dfbce63a89	2207	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2208	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2209	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2210	*/
elmot	1:d0dfbce63a89	2211
elmot	1:d0dfbce63a89	2212	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2213	UNUSED(USBx);
elmot	1:d0dfbce63a89	2214	UNUSED(epnum);
elmot	1:d0dfbce63a89	2215
elmot	1:d0dfbce63a89	2216	return (0);
elmot	1:d0dfbce63a89	2217	}
elmot	1:d0dfbce63a89	2218
elmot	1:d0dfbce63a89	2219	/**
elmot	1:d0dfbce63a89	2220	* @brief USB_ClearInterrupts: clear a USB interrupt
elmot	1:d0dfbce63a89	2221	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2222	* @param interrupt : interrupt flag
elmot	1:d0dfbce63a89	2223	* @retval None
elmot	1:d0dfbce63a89	2224	*/
elmot	1:d0dfbce63a89	2225	void USB_ClearInterrupts (USB_TypeDef *USBx, uint32_t interrupt)
elmot	1:d0dfbce63a89	2226	{
elmot	1:d0dfbce63a89	2227	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2228	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2229	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2230	*/
elmot	1:d0dfbce63a89	2231
elmot	1:d0dfbce63a89	2232	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2233	UNUSED(USBx);
elmot	1:d0dfbce63a89	2234	UNUSED(interrupt);
elmot	1:d0dfbce63a89	2235	}
elmot	1:d0dfbce63a89	2236
elmot	1:d0dfbce63a89	2237	/**
elmot	1:d0dfbce63a89	2238	* @brief Prepare the EP0 to start the first control setup
elmot	1:d0dfbce63a89	2239	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2240	* @param psetup : pointer to setup packet
elmot	1:d0dfbce63a89	2241	* @retval HAL status
elmot	1:d0dfbce63a89	2242	*/
elmot	1:d0dfbce63a89	2243	HAL_StatusTypeDef USB_EP0_OutStart(USB_TypeDef USBx, uint8_t dma ,uint8_t psetup)
elmot	1:d0dfbce63a89	2244	{
elmot	1:d0dfbce63a89	2245	/* NOTE : - This function is not required by USB Device FS peripheral, it is used
elmot	1:d0dfbce63a89	2246	only by USB OTG FS peripheral.
elmot	1:d0dfbce63a89	2247	- This function is added to ensure compatibility across platforms.
elmot	1:d0dfbce63a89	2248	*/
elmot	1:d0dfbce63a89	2249
elmot	1:d0dfbce63a89	2250	/* Prevent unused argument(s) compilation warning */
elmot	1:d0dfbce63a89	2251	UNUSED(USBx);
elmot	1:d0dfbce63a89	2252	UNUSED(psetup);
elmot	1:d0dfbce63a89	2253
elmot	1:d0dfbce63a89	2254	return HAL_OK;
elmot	1:d0dfbce63a89	2255	}
elmot	1:d0dfbce63a89	2256
elmot	1:d0dfbce63a89	2257	/**
elmot	1:d0dfbce63a89	2258	* @brief USB_ActivateRemoteWakeup : active remote wakeup signalling
elmot	1:d0dfbce63a89	2259	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2260	* @retval HAL status
elmot	1:d0dfbce63a89	2261	*/
elmot	1:d0dfbce63a89	2262	HAL_StatusTypeDef USB_ActivateRemoteWakeup(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2263	{
elmot	1:d0dfbce63a89	2264	USBx->CNTR \|= USB_CNTR_RESUME;
elmot	1:d0dfbce63a89	2265
elmot	1:d0dfbce63a89	2266	return HAL_OK;
elmot	1:d0dfbce63a89	2267	}
elmot	1:d0dfbce63a89	2268
elmot	1:d0dfbce63a89	2269	/**
elmot	1:d0dfbce63a89	2270	* @brief USB_DeActivateRemoteWakeup : de-active remote wakeup signalling
elmot	1:d0dfbce63a89	2271	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2272	* @retval HAL status
elmot	1:d0dfbce63a89	2273	*/
elmot	1:d0dfbce63a89	2274	HAL_StatusTypeDef USB_DeActivateRemoteWakeup(USB_TypeDef *USBx)
elmot	1:d0dfbce63a89	2275	{
elmot	1:d0dfbce63a89	2276	USBx->CNTR &= ~(USB_CNTR_RESUME);
elmot	1:d0dfbce63a89	2277	return HAL_OK;
elmot	1:d0dfbce63a89	2278	}
elmot	1:d0dfbce63a89	2279
elmot	1:d0dfbce63a89	2280	/**
elmot	1:d0dfbce63a89	2281	* @brief Copy a buffer from user memory area to packet memory area (PMA)
elmot	1:d0dfbce63a89	2282	* @param USBx : pointer to USB register.
elmot	1:d0dfbce63a89	2283	* @param pbUsrBuf : pointer to user memory area.
elmot	1:d0dfbce63a89	2284	* @param wPMABufAddr : address into PMA.
elmot	1:d0dfbce63a89	2285	* @param wNBytes : number of bytes to be copied.
elmot	1:d0dfbce63a89	2286	* @retval None
elmot	1:d0dfbce63a89	2287	*/
elmot	1:d0dfbce63a89	2288	void USB_WritePMA(USB_TypeDef USBx, uint8_t pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
elmot	1:d0dfbce63a89	2289	{
elmot	1:d0dfbce63a89	2290	uint32_t n = (wNBytes + 1) >> 1;
elmot	1:d0dfbce63a89	2291	uint32_t i;
elmot	1:d0dfbce63a89	2292	uint16_t temp1, temp2;
elmot	1:d0dfbce63a89	2293	uint16_t *pdwVal;
elmot	1:d0dfbce63a89	2294	pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
elmot	1:d0dfbce63a89	2295
elmot	1:d0dfbce63a89	2296	for (i = n; i != 0; i--)
elmot	1:d0dfbce63a89	2297	{
elmot	1:d0dfbce63a89	2298	temp1 = (uint16_t) * pbUsrBuf;
elmot	1:d0dfbce63a89	2299	pbUsrBuf++;
elmot	1:d0dfbce63a89	2300	temp2 = temp1 \| (uint16_t) * pbUsrBuf << 8;
elmot	1:d0dfbce63a89	2301	*pdwVal++ = temp2;
elmot	1:d0dfbce63a89	2302	pbUsrBuf++;
elmot	1:d0dfbce63a89	2303	}
elmot	1:d0dfbce63a89	2304	}
elmot	1:d0dfbce63a89	2305
elmot	1:d0dfbce63a89	2306	/**
elmot	1:d0dfbce63a89	2307	* @brief Copy a buffer from user memory area to packet memory area (PMA)
elmot	1:d0dfbce63a89	2308	* @param USBx : pointer to USB register.
elmot	1:d0dfbce63a89	2309	* @param pbUsrBuf : pointer to user memory area.
elmot	1:d0dfbce63a89	2310	* @param wPMABufAddr : address into PMA.
elmot	1:d0dfbce63a89	2311	* @param wNBytes : number of bytes to be copied.
elmot	1:d0dfbce63a89	2312	* @retval None
elmot	1:d0dfbce63a89	2313	*/
elmot	1:d0dfbce63a89	2314	void USB_ReadPMA(USB_TypeDef USBx, uint8_t pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
elmot	1:d0dfbce63a89	2315	{
elmot	1:d0dfbce63a89	2316	uint32_t n = (wNBytes + 1) >> 1;
elmot	1:d0dfbce63a89	2317	uint32_t i;
elmot	1:d0dfbce63a89	2318	uint16_t *pdwVal;
elmot	1:d0dfbce63a89	2319	pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
elmot	1:d0dfbce63a89	2320	for (i = n; i != 0; i--)
elmot	1:d0dfbce63a89	2321	{
elmot	1:d0dfbce63a89	2322	(uint16_t)pbUsrBuf++ = *pdwVal++;
elmot	1:d0dfbce63a89	2323	pbUsrBuf++;
elmot	1:d0dfbce63a89	2324	}
elmot	1:d0dfbce63a89	2325	}
elmot	1:d0dfbce63a89	2326	#endif /* USB */
elmot	1:d0dfbce63a89	2327	/**
elmot	1:d0dfbce63a89	2328	* @}
elmot	1:d0dfbce63a89	2329	*/
elmot	1:d0dfbce63a89	2330	/**
elmot	1:d0dfbce63a89	2331	* @}
elmot	1:d0dfbce63a89	2332	*/
elmot	1:d0dfbce63a89	2333
elmot	1:d0dfbce63a89	2334	#if defined (USB_OTG_FS)
elmot	1:d0dfbce63a89	2335	/** @addtogroup USB_LL_Private_Functions
elmot	1:d0dfbce63a89	2336	* @{
elmot	1:d0dfbce63a89	2337	*/
elmot	1:d0dfbce63a89	2338	/**
elmot	1:d0dfbce63a89	2339	* @brief Reset the USB Core (needed after USB clock settings change)
elmot	1:d0dfbce63a89	2340	* @param USBx : Selected device
elmot	1:d0dfbce63a89	2341	* @retval HAL status
elmot	1:d0dfbce63a89	2342	*/
elmot	1:d0dfbce63a89	2343	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx)
elmot	1:d0dfbce63a89	2344	{
elmot	1:d0dfbce63a89	2345	uint32_t count = 0;
elmot	1:d0dfbce63a89	2346
elmot	1:d0dfbce63a89	2347	/* Wait for AHB master IDLE state. */
elmot	1:d0dfbce63a89	2348	do
elmot	1:d0dfbce63a89	2349	{
elmot	1:d0dfbce63a89	2350	if (++count > 200000)
elmot	1:d0dfbce63a89	2351	{
elmot	1:d0dfbce63a89	2352	return HAL_TIMEOUT;
elmot	1:d0dfbce63a89	2353	}
elmot	1:d0dfbce63a89	2354	}
elmot	1:d0dfbce63a89	2355	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0);
elmot	1:d0dfbce63a89	2356
elmot	1:d0dfbce63a89	2357	/* Core Soft Reset */
elmot	1:d0dfbce63a89	2358	count = 0;
elmot	1:d0dfbce63a89	2359	USBx->GRSTCTL \|= USB_OTG_GRSTCTL_CSRST;
elmot	1:d0dfbce63a89	2360
elmot	1:d0dfbce63a89	2361	do
elmot	1:d0dfbce63a89	2362	{
elmot	1:d0dfbce63a89	2363	if (++count > 200000)
elmot	1:d0dfbce63a89	2364	{
elmot	1:d0dfbce63a89	2365	return HAL_TIMEOUT;
elmot	1:d0dfbce63a89	2366	}
elmot	1:d0dfbce63a89	2367	}
elmot	1:d0dfbce63a89	2368	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
elmot	1:d0dfbce63a89	2369
elmot	1:d0dfbce63a89	2370	return HAL_OK;
elmot	1:d0dfbce63a89	2371	}
elmot	1:d0dfbce63a89	2372	/**
elmot	1:d0dfbce63a89	2373	* @}
elmot	1:d0dfbce63a89	2374	*/
elmot	1:d0dfbce63a89	2375	#endif /* USB_OTG_FS */
elmot	1:d0dfbce63a89	2376
elmot	1:d0dfbce63a89	2377	#endif /* STM32L475xx \|\| STM32L476xx \|\| */
elmot	1:d0dfbce63a89	2378	/* STM32L485xx \|\| STM32L486xx \|\| */
elmot	1:d0dfbce63a89	2379	/* STM32L432xx \|\| STM32L433xx \|\| */
elmot	1:d0dfbce63a89	2380	/* STM32L442xx \|\| STM32L443xx */
elmot	1:d0dfbce63a89	2381
elmot	1:d0dfbce63a89	2382	#endif /* defined (HAL_PCD_MODULE_ENABLED) \|\| defined (HAL_HCD_MODULE_ENABLED) */
elmot	1:d0dfbce63a89	2383	/**
elmot	1:d0dfbce63a89	2384	* @}
elmot	1:d0dfbce63a89	2385	*/
elmot	1:d0dfbce63a89	2386
elmot	1:d0dfbce63a89	2387	/**
elmot	1:d0dfbce63a89	2388	* @}
elmot	1:d0dfbce63a89	2389	*/
elmot	1:d0dfbce63a89	2390	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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Type:	Program
Created:	25 Feb 2017
Imports:	20
Forks:	1
Commits:	3
Dependents:	0
Dependencies:	0
Followers:	10

The code in this repository is Apache licensed.

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HAL_L476/stm32l4xx_ll_usb.c@1:d0dfbce63a89, 2017-02-24 (annotated)

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HAL_L476/stm32l4xx_ll_usb.c@1:d0dfbce63a89, 2017-02-24 (annotated)

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