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targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_usb.c@0:06036f8bee2d, 2022-10-24 (annotated)

Committer:: ganlikun
Date:: Mon Oct 24 15:19:39 2022 +0000
Revision:: 0:06036f8bee2d

Who changed what in which revision?

User	Revision	Line number	New contents of line
ganlikun	0:06036f8bee2d	1	/**
ganlikun	0:06036f8bee2d	2	******************************************************************************
ganlikun	0:06036f8bee2d	3	* @file stm32f4xx_ll_usb.c
ganlikun	0:06036f8bee2d	4	* @author MCD Application Team
ganlikun	0:06036f8bee2d	5	* @version V1.7.1
ganlikun	0:06036f8bee2d	6	* @date 14-April-2017
ganlikun	0:06036f8bee2d	7	* @brief USB Low Layer HAL module driver.
ganlikun	0:06036f8bee2d	8	*
ganlikun	0:06036f8bee2d	9	* This file provides firmware functions to manage the following
ganlikun	0:06036f8bee2d	10	* functionalities of the USB Peripheral Controller:
ganlikun	0:06036f8bee2d	11	* + Initialization/de-initialization functions
ganlikun	0:06036f8bee2d	12	* + I/O operation functions
ganlikun	0:06036f8bee2d	13	* + Peripheral Control functions
ganlikun	0:06036f8bee2d	14	* + Peripheral State functions
ganlikun	0:06036f8bee2d	15	*
ganlikun	0:06036f8bee2d	16	@verbatim
ganlikun	0:06036f8bee2d	17	==============================================================================
ganlikun	0:06036f8bee2d	18	##### How to use this driver #####
ganlikun	0:06036f8bee2d	19	==============================================================================
ganlikun	0:06036f8bee2d	20	[..]
ganlikun	0:06036f8bee2d	21	(#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure.
ganlikun	0:06036f8bee2d	22
ganlikun	0:06036f8bee2d	23	(#) Call USB_CoreInit() API to initialize the USB Core peripheral.
ganlikun	0:06036f8bee2d	24
ganlikun	0:06036f8bee2d	25	(#) The upper HAL HCD/PCD driver will call the right routines for its internal processes.
ganlikun	0:06036f8bee2d	26
ganlikun	0:06036f8bee2d	27	@endverbatim
ganlikun	0:06036f8bee2d	28	******************************************************************************
ganlikun	0:06036f8bee2d	29	* @attention
ganlikun	0:06036f8bee2d	30	*
ganlikun	0:06036f8bee2d	31	* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
ganlikun	0:06036f8bee2d	32	*
ganlikun	0:06036f8bee2d	33	* Redistribution and use in source and binary forms, with or without modification,
ganlikun	0:06036f8bee2d	34	* are permitted provided that the following conditions are met:
ganlikun	0:06036f8bee2d	35	* 1. Redistributions of source code must retain the above copyright notice,
ganlikun	0:06036f8bee2d	36	* this list of conditions and the following disclaimer.
ganlikun	0:06036f8bee2d	37	* 2. Redistributions in binary form must reproduce the above copyright notice,
ganlikun	0:06036f8bee2d	38	* this list of conditions and the following disclaimer in the documentation
ganlikun	0:06036f8bee2d	39	* and/or other materials provided with the distribution.
ganlikun	0:06036f8bee2d	40	* 3. Neither the name of STMicroelectronics nor the names of its contributors
ganlikun	0:06036f8bee2d	41	* may be used to endorse or promote products derived from this software
ganlikun	0:06036f8bee2d	42	* without specific prior written permission.
ganlikun	0:06036f8bee2d	43	*
ganlikun	0:06036f8bee2d	44	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
ganlikun	0:06036f8bee2d	45	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
ganlikun	0:06036f8bee2d	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
ganlikun	0:06036f8bee2d	47	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
ganlikun	0:06036f8bee2d	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
ganlikun	0:06036f8bee2d	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
ganlikun	0:06036f8bee2d	50	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
ganlikun	0:06036f8bee2d	51	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
ganlikun	0:06036f8bee2d	52	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
ganlikun	0:06036f8bee2d	53	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
ganlikun	0:06036f8bee2d	54	*
ganlikun	0:06036f8bee2d	55	******************************************************************************
ganlikun	0:06036f8bee2d	56	*/
ganlikun	0:06036f8bee2d	57
ganlikun	0:06036f8bee2d	58	/* Includes ------------------------------------------------------------------*/
ganlikun	0:06036f8bee2d	59	#include "stm32f4xx_hal.h"
ganlikun	0:06036f8bee2d	60
ganlikun	0:06036f8bee2d	61	/** @addtogroup STM32F4xx_LL_USB_DRIVER
ganlikun	0:06036f8bee2d	62	* @{
ganlikun	0:06036f8bee2d	63	*/
ganlikun	0:06036f8bee2d	64
ganlikun	0:06036f8bee2d	65	#if defined(HAL_PCD_MODULE_ENABLED) \|\| defined(HAL_HCD_MODULE_ENABLED)
ganlikun	0:06036f8bee2d	66	#if defined(STM32F405xx) \|\| defined(STM32F415xx) \|\| defined(STM32F407xx) \|\| defined(STM32F417xx) \|\| \
ganlikun	0:06036f8bee2d	67	defined(STM32F427xx) \|\| defined(STM32F437xx) \|\| defined(STM32F429xx) \|\| defined(STM32F439xx) \|\| \
ganlikun	0:06036f8bee2d	68	defined(STM32F401xC) \|\| defined(STM32F401xE) \|\| defined(STM32F411xE) \|\| defined(STM32F446xx) \|\| \
ganlikun	0:06036f8bee2d	69	defined(STM32F469xx) \|\| defined(STM32F479xx) \|\| defined(STM32F412Zx) \|\| defined(STM32F412Vx) \|\| \
ganlikun	0:06036f8bee2d	70	defined(STM32F412Rx) \|\| defined(STM32F412Cx) \|\| defined(STM32F413xx) \|\| defined(STM32F423xx)
ganlikun	0:06036f8bee2d	71	/* Private typedef -----------------------------------------------------------*/
ganlikun	0:06036f8bee2d	72	/* Private define ------------------------------------------------------------*/
ganlikun	0:06036f8bee2d	73	/* Private macro -------------------------------------------------------------*/
ganlikun	0:06036f8bee2d	74	/* Private variables ---------------------------------------------------------*/
ganlikun	0:06036f8bee2d	75	/* Private function prototypes -----------------------------------------------*/
ganlikun	0:06036f8bee2d	76	/* Private functions ---------------------------------------------------------*/
ganlikun	0:06036f8bee2d	77	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx);
ganlikun	0:06036f8bee2d	78
ganlikun	0:06036f8bee2d	79	/* Exported functions --------------------------------------------------------*/
ganlikun	0:06036f8bee2d	80
ganlikun	0:06036f8bee2d	81	/** @defgroup LL_USB_Exported_Functions USB Low Layer Exported Functions
ganlikun	0:06036f8bee2d	82	* @{
ganlikun	0:06036f8bee2d	83	*/
ganlikun	0:06036f8bee2d	84
ganlikun	0:06036f8bee2d	85	/** @defgroup LL_USB_Group1 Initialization/de-initialization functions
ganlikun	0:06036f8bee2d	86	* @brief Initialization and Configuration functions
ganlikun	0:06036f8bee2d	87	*
ganlikun	0:06036f8bee2d	88	@verbatim
ganlikun	0:06036f8bee2d	89	===============================================================================
ganlikun	0:06036f8bee2d	90	##### Initialization/de-initialization functions #####
ganlikun	0:06036f8bee2d	91	===============================================================================
ganlikun	0:06036f8bee2d	92	[..] This section provides functions allowing to:
ganlikun	0:06036f8bee2d	93
ganlikun	0:06036f8bee2d	94	@endverbatim
ganlikun	0:06036f8bee2d	95	* @{
ganlikun	0:06036f8bee2d	96	*/
ganlikun	0:06036f8bee2d	97
ganlikun	0:06036f8bee2d	98	/**
ganlikun	0:06036f8bee2d	99	* @brief Initializes the USB Core
ganlikun	0:06036f8bee2d	100	* @param USBx: USB Instance
ganlikun	0:06036f8bee2d	101	* @param cfg : pointer to a USB_OTG_CfgTypeDef structure that contains
ganlikun	0:06036f8bee2d	102	* the configuration information for the specified USBx peripheral.
ganlikun	0:06036f8bee2d	103	* @retval HAL status
ganlikun	0:06036f8bee2d	104	*/
ganlikun	0:06036f8bee2d	105	HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
ganlikun	0:06036f8bee2d	106	{
ganlikun	0:06036f8bee2d	107	if (cfg.phy_itface == USB_OTG_ULPI_PHY)
ganlikun	0:06036f8bee2d	108	{
ganlikun	0:06036f8bee2d	109
ganlikun	0:06036f8bee2d	110	USBx->GCCFG &= ~(USB_OTG_GCCFG_PWRDWN);
ganlikun	0:06036f8bee2d	111
ganlikun	0:06036f8bee2d	112	/* Init The ULPI Interface */
ganlikun	0:06036f8bee2d	113	USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_TSDPS \| USB_OTG_GUSBCFG_ULPIFSLS \| USB_OTG_GUSBCFG_PHYSEL);
ganlikun	0:06036f8bee2d	114
ganlikun	0:06036f8bee2d	115	/* Select vbus source */
ganlikun	0:06036f8bee2d	116	USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_ULPIEVBUSD \| USB_OTG_GUSBCFG_ULPIEVBUSI);
ganlikun	0:06036f8bee2d	117	if(cfg.use_external_vbus == 1U)
ganlikun	0:06036f8bee2d	118	{
ganlikun	0:06036f8bee2d	119	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_ULPIEVBUSD;
ganlikun	0:06036f8bee2d	120	}
ganlikun	0:06036f8bee2d	121	/* Reset after a PHY select */
ganlikun	0:06036f8bee2d	122	USB_CoreReset(USBx);
ganlikun	0:06036f8bee2d	123	}
ganlikun	0:06036f8bee2d	124	else /* FS interface (embedded Phy) */
ganlikun	0:06036f8bee2d	125	{
ganlikun	0:06036f8bee2d	126	/* Select FS Embedded PHY */
ganlikun	0:06036f8bee2d	127	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_PHYSEL;
ganlikun	0:06036f8bee2d	128
ganlikun	0:06036f8bee2d	129	/* Reset after a PHY select and set Host mode */
ganlikun	0:06036f8bee2d	130	USB_CoreReset(USBx);
ganlikun	0:06036f8bee2d	131
ganlikun	0:06036f8bee2d	132	/* Deactivate the power down*/
ganlikun	0:06036f8bee2d	133	USBx->GCCFG = USB_OTG_GCCFG_PWRDWN;
ganlikun	0:06036f8bee2d	134	}
ganlikun	0:06036f8bee2d	135
ganlikun	0:06036f8bee2d	136	if(cfg.dma_enable == ENABLE)
ganlikun	0:06036f8bee2d	137	{
ganlikun	0:06036f8bee2d	138	USBx->GAHBCFG \|= USB_OTG_GAHBCFG_HBSTLEN_2;
ganlikun	0:06036f8bee2d	139	USBx->GAHBCFG \|= USB_OTG_GAHBCFG_DMAEN;
ganlikun	0:06036f8bee2d	140	}
ganlikun	0:06036f8bee2d	141
ganlikun	0:06036f8bee2d	142	return HAL_OK;
ganlikun	0:06036f8bee2d	143	}
ganlikun	0:06036f8bee2d	144
ganlikun	0:06036f8bee2d	145	/**
ganlikun	0:06036f8bee2d	146	* @brief USB_EnableGlobalInt
ganlikun	0:06036f8bee2d	147	* Enables the controller's Global Int in the AHB Config reg
ganlikun	0:06036f8bee2d	148	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	149	* @retval HAL status
ganlikun	0:06036f8bee2d	150	*/
ganlikun	0:06036f8bee2d	151	HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	152	{
ganlikun	0:06036f8bee2d	153	USBx->GAHBCFG \|= USB_OTG_GAHBCFG_GINT;
ganlikun	0:06036f8bee2d	154	return HAL_OK;
ganlikun	0:06036f8bee2d	155	}
ganlikun	0:06036f8bee2d	156
ganlikun	0:06036f8bee2d	157
ganlikun	0:06036f8bee2d	158	/**
ganlikun	0:06036f8bee2d	159	* @brief USB_DisableGlobalInt
ganlikun	0:06036f8bee2d	160	* Disable the controller's Global Int in the AHB Config reg
ganlikun	0:06036f8bee2d	161	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	162	* @retval HAL status
ganlikun	0:06036f8bee2d	163	*/
ganlikun	0:06036f8bee2d	164	HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	165	{
ganlikun	0:06036f8bee2d	166	USBx->GAHBCFG &= ~USB_OTG_GAHBCFG_GINT;
ganlikun	0:06036f8bee2d	167	return HAL_OK;
ganlikun	0:06036f8bee2d	168	}
ganlikun	0:06036f8bee2d	169
ganlikun	0:06036f8bee2d	170	/**
ganlikun	0:06036f8bee2d	171	* @brief USB_SetCurrentMode : Set functional mode
ganlikun	0:06036f8bee2d	172	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	173	* @param mode : current core mode
ganlikun	0:06036f8bee2d	174	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	175	* @arg USB_OTG_DEVICE_MODE: Peripheral mode
ganlikun	0:06036f8bee2d	176	* @arg USB_OTG_HOST_MODE: Host mode
ganlikun	0:06036f8bee2d	177	* @arg USB_OTG_DRD_MODE: Dual Role Device mode
ganlikun	0:06036f8bee2d	178	* @retval HAL status
ganlikun	0:06036f8bee2d	179	*/
ganlikun	0:06036f8bee2d	180	HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx , USB_OTG_ModeTypeDef mode)
ganlikun	0:06036f8bee2d	181	{
ganlikun	0:06036f8bee2d	182	USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD \| USB_OTG_GUSBCFG_FDMOD);
ganlikun	0:06036f8bee2d	183
ganlikun	0:06036f8bee2d	184	if ( mode == USB_OTG_HOST_MODE)
ganlikun	0:06036f8bee2d	185	{
ganlikun	0:06036f8bee2d	186	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FHMOD;
ganlikun	0:06036f8bee2d	187	}
ganlikun	0:06036f8bee2d	188	else if ( mode == USB_OTG_DEVICE_MODE)
ganlikun	0:06036f8bee2d	189	{
ganlikun	0:06036f8bee2d	190	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FDMOD;
ganlikun	0:06036f8bee2d	191	}
ganlikun	0:06036f8bee2d	192	HAL_Delay(50U);
ganlikun	0:06036f8bee2d	193
ganlikun	0:06036f8bee2d	194	return HAL_OK;
ganlikun	0:06036f8bee2d	195	}
ganlikun	0:06036f8bee2d	196
ganlikun	0:06036f8bee2d	197	/**
ganlikun	0:06036f8bee2d	198	* @brief USB_DevInit : Initializes the USB_OTG controller registers
ganlikun	0:06036f8bee2d	199	* for device mode
ganlikun	0:06036f8bee2d	200	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	201	* @param cfg : pointer to a USB_OTG_CfgTypeDef structure that contains
ganlikun	0:06036f8bee2d	202	* the configuration information for the specified USBx peripheral.
ganlikun	0:06036f8bee2d	203	* @retval HAL status
ganlikun	0:06036f8bee2d	204	*/
ganlikun	0:06036f8bee2d	205	HAL_StatusTypeDef USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
ganlikun	0:06036f8bee2d	206	{
ganlikun	0:06036f8bee2d	207	uint32_t i = 0U;
ganlikun	0:06036f8bee2d	208
ganlikun	0:06036f8bee2d	209	/Activate VBUS Sensing B /
ganlikun	0:06036f8bee2d	210	#if defined(STM32F446xx) \|\| defined(STM32F469xx) \|\| defined(STM32F479xx) \|\| defined(STM32F412Zx) \|\| defined(STM32F412Vx) \|\| \
ganlikun	0:06036f8bee2d	211	defined(STM32F412Rx) \|\| defined(STM32F412Cx) \|\| defined(STM32F413xx) \|\| defined(STM32F423xx)
ganlikun	0:06036f8bee2d	212	USBx->GCCFG \|= USB_OTG_GCCFG_VBDEN;
ganlikun	0:06036f8bee2d	213
ganlikun	0:06036f8bee2d	214	if (cfg.vbus_sensing_enable == 0U)
ganlikun	0:06036f8bee2d	215	{
ganlikun	0:06036f8bee2d	216	/* Deactivate VBUS Sensing B */
ganlikun	0:06036f8bee2d	217	USBx->GCCFG &= ~USB_OTG_GCCFG_VBDEN;
ganlikun	0:06036f8bee2d	218
ganlikun	0:06036f8bee2d	219	/* B-peripheral session valid override enable*/
ganlikun	0:06036f8bee2d	220	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOEN;
ganlikun	0:06036f8bee2d	221	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOVAL;
ganlikun	0:06036f8bee2d	222	}
ganlikun	0:06036f8bee2d	223	#else
ganlikun	0:06036f8bee2d	224	if (cfg.vbus_sensing_enable == 0U)
ganlikun	0:06036f8bee2d	225	{
ganlikun	0:06036f8bee2d	226	USBx->GCCFG \|= USB_OTG_GCCFG_NOVBUSSENS;
ganlikun	0:06036f8bee2d	227	}
ganlikun	0:06036f8bee2d	228	else
ganlikun	0:06036f8bee2d	229	{
ganlikun	0:06036f8bee2d	230	/* Enable VBUS */
ganlikun	0:06036f8bee2d	231	USBx->GCCFG \|= USB_OTG_GCCFG_VBUSBSEN;
ganlikun	0:06036f8bee2d	232	}
ganlikun	0:06036f8bee2d	233	#endif /* STM32F446xx \|\| STM32F469xx \|\| STM32F479xx \|\| STM32F412Zx \|\| STM32F412Rx \|\| STM32F412Vx \|\| STM32F412Cx \|\| STM32F413xx \|\| STM32F423xx */
ganlikun	0:06036f8bee2d	234
ganlikun	0:06036f8bee2d	235	/* Restart the Phy Clock */
ganlikun	0:06036f8bee2d	236	USBx_PCGCCTL = 0U;
ganlikun	0:06036f8bee2d	237
ganlikun	0:06036f8bee2d	238	/* Device mode configuration */
ganlikun	0:06036f8bee2d	239	USBx_DEVICE->DCFG \|= DCFG_FRAME_INTERVAL_80;
ganlikun	0:06036f8bee2d	240
ganlikun	0:06036f8bee2d	241	if(cfg.phy_itface == USB_OTG_ULPI_PHY)
ganlikun	0:06036f8bee2d	242	{
ganlikun	0:06036f8bee2d	243	if(cfg.speed == USB_OTG_SPEED_HIGH)
ganlikun	0:06036f8bee2d	244	{
ganlikun	0:06036f8bee2d	245	/* Set High speed phy */
ganlikun	0:06036f8bee2d	246	USB_SetDevSpeed (USBx , USB_OTG_SPEED_HIGH);
ganlikun	0:06036f8bee2d	247	}
ganlikun	0:06036f8bee2d	248	else
ganlikun	0:06036f8bee2d	249	{
ganlikun	0:06036f8bee2d	250	/* set High speed phy in Full speed mode */
ganlikun	0:06036f8bee2d	251	USB_SetDevSpeed (USBx , USB_OTG_SPEED_HIGH_IN_FULL);
ganlikun	0:06036f8bee2d	252	}
ganlikun	0:06036f8bee2d	253	}
ganlikun	0:06036f8bee2d	254	else
ganlikun	0:06036f8bee2d	255	{
ganlikun	0:06036f8bee2d	256	/* Set Full speed phy */
ganlikun	0:06036f8bee2d	257	USB_SetDevSpeed (USBx , USB_OTG_SPEED_FULL);
ganlikun	0:06036f8bee2d	258	}
ganlikun	0:06036f8bee2d	259
ganlikun	0:06036f8bee2d	260	/* Flush the FIFOs */
ganlikun	0:06036f8bee2d	261	USB_FlushTxFifo(USBx , 0x10U); /* all Tx FIFOs */
ganlikun	0:06036f8bee2d	262	USB_FlushRxFifo(USBx);
ganlikun	0:06036f8bee2d	263
ganlikun	0:06036f8bee2d	264	/* Clear all pending Device Interrupts */
ganlikun	0:06036f8bee2d	265	USBx_DEVICE->DIEPMSK = 0U;
ganlikun	0:06036f8bee2d	266	USBx_DEVICE->DOEPMSK = 0U;
ganlikun	0:06036f8bee2d	267	USBx_DEVICE->DAINT = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	268	USBx_DEVICE->DAINTMSK = 0U;
ganlikun	0:06036f8bee2d	269
ganlikun	0:06036f8bee2d	270	for (i = 0U; i < cfg.dev_endpoints; i++)
ganlikun	0:06036f8bee2d	271	{
ganlikun	0:06036f8bee2d	272	if ((USBx_INEP(i)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA)
ganlikun	0:06036f8bee2d	273	{
ganlikun	0:06036f8bee2d	274	USBx_INEP(i)->DIEPCTL = (USB_OTG_DIEPCTL_EPDIS \| USB_OTG_DIEPCTL_SNAK);
ganlikun	0:06036f8bee2d	275	}
ganlikun	0:06036f8bee2d	276	else
ganlikun	0:06036f8bee2d	277	{
ganlikun	0:06036f8bee2d	278	USBx_INEP(i)->DIEPCTL = 0U;
ganlikun	0:06036f8bee2d	279	}
ganlikun	0:06036f8bee2d	280
ganlikun	0:06036f8bee2d	281	USBx_INEP(i)->DIEPTSIZ = 0U;
ganlikun	0:06036f8bee2d	282	USBx_INEP(i)->DIEPINT = 0xFFU;
ganlikun	0:06036f8bee2d	283	}
ganlikun	0:06036f8bee2d	284
ganlikun	0:06036f8bee2d	285	for (i = 0U; i < cfg.dev_endpoints; i++)
ganlikun	0:06036f8bee2d	286	{
ganlikun	0:06036f8bee2d	287	if ((USBx_OUTEP(i)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
ganlikun	0:06036f8bee2d	288	{
ganlikun	0:06036f8bee2d	289	USBx_OUTEP(i)->DOEPCTL = (USB_OTG_DOEPCTL_EPDIS \| USB_OTG_DOEPCTL_SNAK);
ganlikun	0:06036f8bee2d	290	}
ganlikun	0:06036f8bee2d	291	else
ganlikun	0:06036f8bee2d	292	{
ganlikun	0:06036f8bee2d	293	USBx_OUTEP(i)->DOEPCTL = 0U;
ganlikun	0:06036f8bee2d	294	}
ganlikun	0:06036f8bee2d	295
ganlikun	0:06036f8bee2d	296	USBx_OUTEP(i)->DOEPTSIZ = 0U;
ganlikun	0:06036f8bee2d	297	USBx_OUTEP(i)->DOEPINT = 0xFFU;
ganlikun	0:06036f8bee2d	298	}
ganlikun	0:06036f8bee2d	299
ganlikun	0:06036f8bee2d	300	USBx_DEVICE->DIEPMSK &= ~(USB_OTG_DIEPMSK_TXFURM);
ganlikun	0:06036f8bee2d	301
ganlikun	0:06036f8bee2d	302	if (cfg.dma_enable == 1U)
ganlikun	0:06036f8bee2d	303	{
ganlikun	0:06036f8bee2d	304	/Set threshold parameters /
ganlikun	0:06036f8bee2d	305	USBx_DEVICE->DTHRCTL = (USB_OTG_DTHRCTL_TXTHRLEN_6 \| USB_OTG_DTHRCTL_RXTHRLEN_6);
ganlikun	0:06036f8bee2d	306	USBx_DEVICE->DTHRCTL \|= (USB_OTG_DTHRCTL_RXTHREN \| USB_OTG_DTHRCTL_ISOTHREN \| USB_OTG_DTHRCTL_NONISOTHREN);
ganlikun	0:06036f8bee2d	307
ganlikun	0:06036f8bee2d	308	i= USBx_DEVICE->DTHRCTL;
ganlikun	0:06036f8bee2d	309	}
ganlikun	0:06036f8bee2d	310
ganlikun	0:06036f8bee2d	311	/* Disable all interrupts. */
ganlikun	0:06036f8bee2d	312	USBx->GINTMSK = 0U;
ganlikun	0:06036f8bee2d	313
ganlikun	0:06036f8bee2d	314	/* Clear any pending interrupts */
ganlikun	0:06036f8bee2d	315	USBx->GINTSTS = 0xBFFFFFFFU;
ganlikun	0:06036f8bee2d	316
ganlikun	0:06036f8bee2d	317	/* Enable the common interrupts */
ganlikun	0:06036f8bee2d	318	if (cfg.dma_enable == DISABLE)
ganlikun	0:06036f8bee2d	319	{
ganlikun	0:06036f8bee2d	320	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
ganlikun	0:06036f8bee2d	321	}
ganlikun	0:06036f8bee2d	322
ganlikun	0:06036f8bee2d	323	/* Enable interrupts matching to the Device mode ONLY */
ganlikun	0:06036f8bee2d	324	USBx->GINTMSK \|= (USB_OTG_GINTMSK_USBSUSPM \| USB_OTG_GINTMSK_USBRST \|\
ganlikun	0:06036f8bee2d	325	USB_OTG_GINTMSK_ENUMDNEM \| USB_OTG_GINTMSK_IEPINT \|\
ganlikun	0:06036f8bee2d	326	USB_OTG_GINTMSK_OEPINT \| USB_OTG_GINTMSK_IISOIXFRM\|\
ganlikun	0:06036f8bee2d	327	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
ganlikun	0:06036f8bee2d	328
ganlikun	0:06036f8bee2d	329	if(cfg.Sof_enable)
ganlikun	0:06036f8bee2d	330	{
ganlikun	0:06036f8bee2d	331	USBx->GINTMSK \|= USB_OTG_GINTMSK_SOFM;
ganlikun	0:06036f8bee2d	332	}
ganlikun	0:06036f8bee2d	333
ganlikun	0:06036f8bee2d	334	if (cfg.vbus_sensing_enable == ENABLE)
ganlikun	0:06036f8bee2d	335	{
ganlikun	0:06036f8bee2d	336	USBx->GINTMSK \|= (USB_OTG_GINTMSK_SRQIM \| USB_OTG_GINTMSK_OTGINT);
ganlikun	0:06036f8bee2d	337	}
ganlikun	0:06036f8bee2d	338
ganlikun	0:06036f8bee2d	339	return HAL_OK;
ganlikun	0:06036f8bee2d	340	}
ganlikun	0:06036f8bee2d	341
ganlikun	0:06036f8bee2d	342
ganlikun	0:06036f8bee2d	343	/**
ganlikun	0:06036f8bee2d	344	* @brief USB_OTG_FlushTxFifo : Flush a Tx FIFO
ganlikun	0:06036f8bee2d	345	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	346	* @param num : FIFO number
ganlikun	0:06036f8bee2d	347	* This parameter can be a value from 1 to 15
ganlikun	0:06036f8bee2d	348	15 means Flush all Tx FIFOs
ganlikun	0:06036f8bee2d	349	* @retval HAL status
ganlikun	0:06036f8bee2d	350	*/
ganlikun	0:06036f8bee2d	351	HAL_StatusTypeDef USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num )
ganlikun	0:06036f8bee2d	352	{
ganlikun	0:06036f8bee2d	353	uint32_t count = 0;
ganlikun	0:06036f8bee2d	354
ganlikun	0:06036f8bee2d	355	USBx->GRSTCTL = ( USB_OTG_GRSTCTL_TXFFLSH \|(uint32_t)( num << 6));
ganlikun	0:06036f8bee2d	356
ganlikun	0:06036f8bee2d	357	do
ganlikun	0:06036f8bee2d	358	{
ganlikun	0:06036f8bee2d	359	if (++count > 200000)
ganlikun	0:06036f8bee2d	360	{
ganlikun	0:06036f8bee2d	361	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	362	}
ganlikun	0:06036f8bee2d	363	}
ganlikun	0:06036f8bee2d	364	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH);
ganlikun	0:06036f8bee2d	365
ganlikun	0:06036f8bee2d	366	return HAL_OK;
ganlikun	0:06036f8bee2d	367	}
ganlikun	0:06036f8bee2d	368
ganlikun	0:06036f8bee2d	369
ganlikun	0:06036f8bee2d	370	/**
ganlikun	0:06036f8bee2d	371	* @brief USB_FlushRxFifo : Flush Rx FIFO
ganlikun	0:06036f8bee2d	372	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	373	* @retval HAL status
ganlikun	0:06036f8bee2d	374	*/
ganlikun	0:06036f8bee2d	375	HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	376	{
ganlikun	0:06036f8bee2d	377	uint32_t count = 0;
ganlikun	0:06036f8bee2d	378
ganlikun	0:06036f8bee2d	379	USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH;
ganlikun	0:06036f8bee2d	380
ganlikun	0:06036f8bee2d	381	do
ganlikun	0:06036f8bee2d	382	{
ganlikun	0:06036f8bee2d	383	if (++count > 200000)
ganlikun	0:06036f8bee2d	384	{
ganlikun	0:06036f8bee2d	385	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	386	}
ganlikun	0:06036f8bee2d	387	}
ganlikun	0:06036f8bee2d	388	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH);
ganlikun	0:06036f8bee2d	389
ganlikun	0:06036f8bee2d	390	return HAL_OK;
ganlikun	0:06036f8bee2d	391	}
ganlikun	0:06036f8bee2d	392
ganlikun	0:06036f8bee2d	393	/**
ganlikun	0:06036f8bee2d	394	* @brief USB_SetDevSpeed :Initializes the DevSpd field of DCFG register
ganlikun	0:06036f8bee2d	395	* depending the PHY type and the enumeration speed of the device.
ganlikun	0:06036f8bee2d	396	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	397	* @param speed : device speed
ganlikun	0:06036f8bee2d	398	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	399	* @arg USB_OTG_SPEED_HIGH: High speed mode
ganlikun	0:06036f8bee2d	400	* @arg USB_OTG_SPEED_HIGH_IN_FULL: High speed core in Full Speed mode
ganlikun	0:06036f8bee2d	401	* @arg USB_OTG_SPEED_FULL: Full speed mode
ganlikun	0:06036f8bee2d	402	* @arg USB_OTG_SPEED_LOW: Low speed mode
ganlikun	0:06036f8bee2d	403	* @retval Hal status
ganlikun	0:06036f8bee2d	404	*/
ganlikun	0:06036f8bee2d	405	HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx , uint8_t speed)
ganlikun	0:06036f8bee2d	406	{
ganlikun	0:06036f8bee2d	407	USBx_DEVICE->DCFG \|= speed;
ganlikun	0:06036f8bee2d	408	return HAL_OK;
ganlikun	0:06036f8bee2d	409	}
ganlikun	0:06036f8bee2d	410
ganlikun	0:06036f8bee2d	411	/**
ganlikun	0:06036f8bee2d	412	* @brief USB_GetDevSpeed :Return the Dev Speed
ganlikun	0:06036f8bee2d	413	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	414	* @retval speed : device speed
ganlikun	0:06036f8bee2d	415	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	416	* @arg USB_OTG_SPEED_HIGH: High speed mode
ganlikun	0:06036f8bee2d	417	* @arg USB_OTG_SPEED_FULL: Full speed mode
ganlikun	0:06036f8bee2d	418	* @arg USB_OTG_SPEED_LOW: Low speed mode
ganlikun	0:06036f8bee2d	419	*/
ganlikun	0:06036f8bee2d	420	uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	421	{
ganlikun	0:06036f8bee2d	422	uint8_t speed = 0U;
ganlikun	0:06036f8bee2d	423
ganlikun	0:06036f8bee2d	424	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ)
ganlikun	0:06036f8bee2d	425	{
ganlikun	0:06036f8bee2d	426	speed = USB_OTG_SPEED_HIGH;
ganlikun	0:06036f8bee2d	427	}
ganlikun	0:06036f8bee2d	428	else if (((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ)\|\|
ganlikun	0:06036f8bee2d	429	((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_48MHZ))
ganlikun	0:06036f8bee2d	430	{
ganlikun	0:06036f8bee2d	431	speed = USB_OTG_SPEED_FULL;
ganlikun	0:06036f8bee2d	432	}
ganlikun	0:06036f8bee2d	433	else if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
ganlikun	0:06036f8bee2d	434	{
ganlikun	0:06036f8bee2d	435	speed = USB_OTG_SPEED_LOW;
ganlikun	0:06036f8bee2d	436	}
ganlikun	0:06036f8bee2d	437
ganlikun	0:06036f8bee2d	438	return speed;
ganlikun	0:06036f8bee2d	439	}
ganlikun	0:06036f8bee2d	440
ganlikun	0:06036f8bee2d	441	/**
ganlikun	0:06036f8bee2d	442	* @brief Activate and configure an endpoint
ganlikun	0:06036f8bee2d	443	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	444	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	445	* @retval HAL status
ganlikun	0:06036f8bee2d	446	*/
ganlikun	0:06036f8bee2d	447	HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	448	{
ganlikun	0:06036f8bee2d	449	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	450	{
ganlikun	0:06036f8bee2d	451	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_IEPM & ((1U << (ep->num)));
ganlikun	0:06036f8bee2d	452
ganlikun	0:06036f8bee2d	453	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0U)
ganlikun	0:06036f8bee2d	454	{
ganlikun	0:06036f8bee2d	455	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	456	((ep->num) << 22U) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	457	}
ganlikun	0:06036f8bee2d	458	}
ganlikun	0:06036f8bee2d	459	else
ganlikun	0:06036f8bee2d	460	{
ganlikun	0:06036f8bee2d	461	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_OEPM & ((1U << (ep->num)) << 16U);
ganlikun	0:06036f8bee2d	462
ganlikun	0:06036f8bee2d	463	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0U)
ganlikun	0:06036f8bee2d	464	{
ganlikun	0:06036f8bee2d	465	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	466	(USB_OTG_DIEPCTL_SD0PID_SEVNFRM)\| (USB_OTG_DOEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	467	}
ganlikun	0:06036f8bee2d	468	}
ganlikun	0:06036f8bee2d	469	return HAL_OK;
ganlikun	0:06036f8bee2d	470	}
ganlikun	0:06036f8bee2d	471	/**
ganlikun	0:06036f8bee2d	472	* @brief Activate and configure a dedicated endpoint
ganlikun	0:06036f8bee2d	473	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	474	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	475	* @retval HAL status
ganlikun	0:06036f8bee2d	476	*/
ganlikun	0:06036f8bee2d	477	HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	478	{
ganlikun	0:06036f8bee2d	479	static __IO uint32_t debug = 0U;
ganlikun	0:06036f8bee2d	480
ganlikun	0:06036f8bee2d	481	/* Read DEPCTLn register */
ganlikun	0:06036f8bee2d	482	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	483	{
ganlikun	0:06036f8bee2d	484	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0U)
ganlikun	0:06036f8bee2d	485	{
ganlikun	0:06036f8bee2d	486	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	487	((ep->num) << 22U) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	488	}
ganlikun	0:06036f8bee2d	489
ganlikun	0:06036f8bee2d	490
ganlikun	0:06036f8bee2d	491	debug \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	492	((ep->num) << 22U) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	493
ganlikun	0:06036f8bee2d	494	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_IEPM & ((1U << (ep->num)));
ganlikun	0:06036f8bee2d	495	}
ganlikun	0:06036f8bee2d	496	else
ganlikun	0:06036f8bee2d	497	{
ganlikun	0:06036f8bee2d	498	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0U)
ganlikun	0:06036f8bee2d	499	{
ganlikun	0:06036f8bee2d	500	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	501	((ep->num) << 22U) \| (USB_OTG_DOEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	502
ganlikun	0:06036f8bee2d	503	debug = (uint32_t)(((uint32_t )USBx) + USB_OTG_OUT_ENDPOINT_BASE + (0U)*USB_OTG_EP_REG_SIZE);
ganlikun	0:06036f8bee2d	504	debug = (uint32_t )&USBx_OUTEP(ep->num)->DOEPCTL;
ganlikun	0:06036f8bee2d	505	debug \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18U) \|\
ganlikun	0:06036f8bee2d	506	((ep->num) << 22U) \| (USB_OTG_DOEPCTL_USBAEP));
ganlikun	0:06036f8bee2d	507	}
ganlikun	0:06036f8bee2d	508
ganlikun	0:06036f8bee2d	509	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_OEPM & ((1U << (ep->num)) << 16U);
ganlikun	0:06036f8bee2d	510	}
ganlikun	0:06036f8bee2d	511
ganlikun	0:06036f8bee2d	512	return HAL_OK;
ganlikun	0:06036f8bee2d	513	}
ganlikun	0:06036f8bee2d	514	/**
ganlikun	0:06036f8bee2d	515	* @brief De-activate and de-initialize an endpoint
ganlikun	0:06036f8bee2d	516	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	517	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	518	* @retval HAL status
ganlikun	0:06036f8bee2d	519	*/
ganlikun	0:06036f8bee2d	520	HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	521	{
ganlikun	0:06036f8bee2d	522	uint32_t count = 0U;
ganlikun	0:06036f8bee2d	523
ganlikun	0:06036f8bee2d	524	/* Disable the IN endpoint */
ganlikun	0:06036f8bee2d	525	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	526	{
ganlikun	0:06036f8bee2d	527	USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_USBAEP;
ganlikun	0:06036f8bee2d	528
ganlikun	0:06036f8bee2d	529	/* sets the NAK bit for the IN endpoint */
ganlikun	0:06036f8bee2d	530	USBx_INEP(ep->num)->DIEPCTL = USB_OTG_DIEPCTL_SNAK;
ganlikun	0:06036f8bee2d	531
ganlikun	0:06036f8bee2d	532	/* Disable IN endpoint */
ganlikun	0:06036f8bee2d	533	USBx_INEP(ep->num)->DIEPCTL = USB_OTG_DIEPCTL_EPDIS;
ganlikun	0:06036f8bee2d	534
ganlikun	0:06036f8bee2d	535	do
ganlikun	0:06036f8bee2d	536	{
ganlikun	0:06036f8bee2d	537	if (++count > 200000U)
ganlikun	0:06036f8bee2d	538	{
ganlikun	0:06036f8bee2d	539	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	540	}
ganlikun	0:06036f8bee2d	541	}
ganlikun	0:06036f8bee2d	542
ganlikun	0:06036f8bee2d	543	/Wait for EPDISD endpoint disabled interrupt/
ganlikun	0:06036f8bee2d	544	while ((USBx_INEP(ep->num)->DIEPINT & USB_OTG_DIEPCTL_EPDIS) == USB_OTG_DIEPCTL_EPDIS);
ganlikun	0:06036f8bee2d	545
ganlikun	0:06036f8bee2d	546
ganlikun	0:06036f8bee2d	547	/* Flush any data remaining in the TxFIFO */
ganlikun	0:06036f8bee2d	548	USB_FlushTxFifo(USBx , 0x10U);
ganlikun	0:06036f8bee2d	549
ganlikun	0:06036f8bee2d	550	/* Disable endpoint interrupts */
ganlikun	0:06036f8bee2d	551	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1U << (ep->num))));
ganlikun	0:06036f8bee2d	552
ganlikun	0:06036f8bee2d	553	}
ganlikun	0:06036f8bee2d	554	else /* Disable the OUT endpoint */
ganlikun	0:06036f8bee2d	555	{
ganlikun	0:06036f8bee2d	556
ganlikun	0:06036f8bee2d	557	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
ganlikun	0:06036f8bee2d	558
ganlikun	0:06036f8bee2d	559	/* sets the NAK bit for the OUT endpoint */
ganlikun	0:06036f8bee2d	560	USBx_OUTEP(ep->num)->DOEPCTL = USB_OTG_DOEPCTL_SNAK;
ganlikun	0:06036f8bee2d	561
ganlikun	0:06036f8bee2d	562	/* Disable OUT endpoint */
ganlikun	0:06036f8bee2d	563	USBx_OUTEP(ep->num)->DOEPCTL = USB_OTG_DOEPCTL_EPDIS;
ganlikun	0:06036f8bee2d	564
ganlikun	0:06036f8bee2d	565	do
ganlikun	0:06036f8bee2d	566	{
ganlikun	0:06036f8bee2d	567	if (++count > 200000U)
ganlikun	0:06036f8bee2d	568	{
ganlikun	0:06036f8bee2d	569	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	570	}
ganlikun	0:06036f8bee2d	571	}
ganlikun	0:06036f8bee2d	572
ganlikun	0:06036f8bee2d	573	/Wait for EPDISD endpoint disabled interrupt/
ganlikun	0:06036f8bee2d	574	while ((USBx_OUTEP(ep->num)->DOEPINT & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS);
ganlikun	0:06036f8bee2d	575
ganlikun	0:06036f8bee2d	576	/* Set the "Clear the Global OUT NAK bit" to disable global OUT NAK mode */
ganlikun	0:06036f8bee2d	577	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_CGONAK;
ganlikun	0:06036f8bee2d	578
ganlikun	0:06036f8bee2d	579	/* Disable endpoint interrupts */
ganlikun	0:06036f8bee2d	580	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1U << (ep->num)) << 16U));
ganlikun	0:06036f8bee2d	581	}
ganlikun	0:06036f8bee2d	582	return HAL_OK;
ganlikun	0:06036f8bee2d	583	}
ganlikun	0:06036f8bee2d	584
ganlikun	0:06036f8bee2d	585	/**
ganlikun	0:06036f8bee2d	586	* @brief De-activate and de-initialize a dedicated endpoint
ganlikun	0:06036f8bee2d	587	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	588	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	589	* @retval HAL status
ganlikun	0:06036f8bee2d	590	*/
ganlikun	0:06036f8bee2d	591	HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	592	{
ganlikun	0:06036f8bee2d	593	uint32_t count = 0U;
ganlikun	0:06036f8bee2d	594
ganlikun	0:06036f8bee2d	595	/* Disable the IN endpoint */
ganlikun	0:06036f8bee2d	596	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	597	{
ganlikun	0:06036f8bee2d	598	USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_USBAEP;
ganlikun	0:06036f8bee2d	599
ganlikun	0:06036f8bee2d	600	/* sets the NAK bit for the IN endpoint */
ganlikun	0:06036f8bee2d	601	USBx_INEP(ep->num)->DIEPCTL = USB_OTG_DIEPCTL_SNAK;
ganlikun	0:06036f8bee2d	602
ganlikun	0:06036f8bee2d	603	/* Disable IN endpoint */
ganlikun	0:06036f8bee2d	604	USBx_INEP(ep->num)->DIEPCTL = USB_OTG_DIEPCTL_EPDIS;
ganlikun	0:06036f8bee2d	605
ganlikun	0:06036f8bee2d	606	do
ganlikun	0:06036f8bee2d	607	{
ganlikun	0:06036f8bee2d	608	if (++count > 200000U)
ganlikun	0:06036f8bee2d	609	{
ganlikun	0:06036f8bee2d	610	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	611	}
ganlikun	0:06036f8bee2d	612	}
ganlikun	0:06036f8bee2d	613
ganlikun	0:06036f8bee2d	614	/Wait for EPDISD endpoint disabled interrupt/
ganlikun	0:06036f8bee2d	615	while ((USBx_INEP(ep->num)->DIEPINT & USB_OTG_DIEPCTL_EPDIS) == USB_OTG_DIEPCTL_EPDIS);
ganlikun	0:06036f8bee2d	616
ganlikun	0:06036f8bee2d	617
ganlikun	0:06036f8bee2d	618	/* Flush any data remaining in the TxFIFO */
ganlikun	0:06036f8bee2d	619	USB_FlushTxFifo(USBx , 0x10U);
ganlikun	0:06036f8bee2d	620
ganlikun	0:06036f8bee2d	621	/* Disable endpoint interrupts */
ganlikun	0:06036f8bee2d	622	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1U << (ep->num))));
ganlikun	0:06036f8bee2d	623
ganlikun	0:06036f8bee2d	624	}
ganlikun	0:06036f8bee2d	625	else /* Disable the OUT endpoint */
ganlikun	0:06036f8bee2d	626	{
ganlikun	0:06036f8bee2d	627
ganlikun	0:06036f8bee2d	628	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
ganlikun	0:06036f8bee2d	629
ganlikun	0:06036f8bee2d	630	/* sets the NAK bit for the OUT endpoint */
ganlikun	0:06036f8bee2d	631	USBx_OUTEP(ep->num)->DOEPCTL = USB_OTG_DOEPCTL_SNAK;
ganlikun	0:06036f8bee2d	632
ganlikun	0:06036f8bee2d	633	/* Disable OUT endpoint */
ganlikun	0:06036f8bee2d	634	USBx_OUTEP(ep->num)->DOEPCTL = USB_OTG_DOEPCTL_EPDIS;
ganlikun	0:06036f8bee2d	635
ganlikun	0:06036f8bee2d	636	do
ganlikun	0:06036f8bee2d	637	{
ganlikun	0:06036f8bee2d	638	if (++count > 200000U)
ganlikun	0:06036f8bee2d	639	{
ganlikun	0:06036f8bee2d	640	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	641	}
ganlikun	0:06036f8bee2d	642	}
ganlikun	0:06036f8bee2d	643
ganlikun	0:06036f8bee2d	644	/Wait for EPDISD endpoint disabled interrupt/
ganlikun	0:06036f8bee2d	645	while ((USBx_OUTEP(ep->num)->DOEPINT & USB_OTG_DOEPINT_OTEPDIS) == USB_OTG_DOEPINT_OTEPDIS);
ganlikun	0:06036f8bee2d	646
ganlikun	0:06036f8bee2d	647	/* Set the "Clear the Global OUT NAK bit" to disable global OUT NAK mode */
ganlikun	0:06036f8bee2d	648	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_CGONAK;
ganlikun	0:06036f8bee2d	649
ganlikun	0:06036f8bee2d	650	/* Disable endpoint interrupts */
ganlikun	0:06036f8bee2d	651	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1U << (ep->num)) << 16U));
ganlikun	0:06036f8bee2d	652	}
ganlikun	0:06036f8bee2d	653	return HAL_OK;
ganlikun	0:06036f8bee2d	654
ganlikun	0:06036f8bee2d	655	}
ganlikun	0:06036f8bee2d	656
ganlikun	0:06036f8bee2d	657	/**
ganlikun	0:06036f8bee2d	658	* @brief USB_EPStartXfer : setup and starts a transfer over an EP
ganlikun	0:06036f8bee2d	659	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	660	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	661	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	662	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	663	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	664	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	665	* @retval HAL status
ganlikun	0:06036f8bee2d	666	*/
ganlikun	0:06036f8bee2d	667	HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
ganlikun	0:06036f8bee2d	668	{
ganlikun	0:06036f8bee2d	669	uint16_t pktcnt = 0U;
ganlikun	0:06036f8bee2d	670
ganlikun	0:06036f8bee2d	671	/* IN endpoint */
ganlikun	0:06036f8bee2d	672	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	673	{
ganlikun	0:06036f8bee2d	674	/* Zero Length Packet? */
ganlikun	0:06036f8bee2d	675	if (ep->xfer_len == 0U)
ganlikun	0:06036f8bee2d	676	{
ganlikun	0:06036f8bee2d	677	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	678	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19U)) ;
ganlikun	0:06036f8bee2d	679	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	680	}
ganlikun	0:06036f8bee2d	681	else
ganlikun	0:06036f8bee2d	682	{
ganlikun	0:06036f8bee2d	683	/* Program the transfer size and packet count
ganlikun	0:06036f8bee2d	684	* as follows: xfersize = N * maxpacket +
ganlikun	0:06036f8bee2d	685	* short_packet pktcnt = N + (short_packet
ganlikun	0:06036f8bee2d	686	* exist ? 1 : 0)
ganlikun	0:06036f8bee2d	687	*/
ganlikun	0:06036f8bee2d	688	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	689	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	690	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (((ep->xfer_len + ep->maxpacket -1U)/ ep->maxpacket) << 19U)) ;
ganlikun	0:06036f8bee2d	691	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
ganlikun	0:06036f8bee2d	692
ganlikun	0:06036f8bee2d	693	if (ep->type == EP_TYPE_ISOC)
ganlikun	0:06036f8bee2d	694	{
ganlikun	0:06036f8bee2d	695	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_MULCNT);
ganlikun	0:06036f8bee2d	696	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_MULCNT & (1U << 29U));
ganlikun	0:06036f8bee2d	697	}
ganlikun	0:06036f8bee2d	698	}
ganlikun	0:06036f8bee2d	699
ganlikun	0:06036f8bee2d	700	if (dma == 1U)
ganlikun	0:06036f8bee2d	701	{
ganlikun	0:06036f8bee2d	702	USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr);
ganlikun	0:06036f8bee2d	703	}
ganlikun	0:06036f8bee2d	704	else
ganlikun	0:06036f8bee2d	705	{
ganlikun	0:06036f8bee2d	706	if (ep->type != EP_TYPE_ISOC)
ganlikun	0:06036f8bee2d	707	{
ganlikun	0:06036f8bee2d	708	/* Enable the Tx FIFO Empty Interrupt for this EP */
ganlikun	0:06036f8bee2d	709	if (ep->xfer_len > 0U)
ganlikun	0:06036f8bee2d	710	{
ganlikun	0:06036f8bee2d	711	atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1U << ep->num);
ganlikun	0:06036f8bee2d	712	}
ganlikun	0:06036f8bee2d	713	}
ganlikun	0:06036f8bee2d	714	}
ganlikun	0:06036f8bee2d	715
ganlikun	0:06036f8bee2d	716	if (ep->type == EP_TYPE_ISOC)
ganlikun	0:06036f8bee2d	717	{
ganlikun	0:06036f8bee2d	718	if ((USBx_DEVICE->DSTS & ( 1U << 8U )) == 0U)
ganlikun	0:06036f8bee2d	719	{
ganlikun	0:06036f8bee2d	720	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SODDFRM;
ganlikun	0:06036f8bee2d	721	}
ganlikun	0:06036f8bee2d	722	else
ganlikun	0:06036f8bee2d	723	{
ganlikun	0:06036f8bee2d	724	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
ganlikun	0:06036f8bee2d	725	}
ganlikun	0:06036f8bee2d	726	}
ganlikun	0:06036f8bee2d	727
ganlikun	0:06036f8bee2d	728	/* EP enable, IN data in FIFO */
ganlikun	0:06036f8bee2d	729	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
ganlikun	0:06036f8bee2d	730
ganlikun	0:06036f8bee2d	731	if (ep->type == EP_TYPE_ISOC)
ganlikun	0:06036f8bee2d	732	{
ganlikun	0:06036f8bee2d	733	USB_WritePacket(USBx, ep->xfer_buff, ep->num, ep->xfer_len, dma);
ganlikun	0:06036f8bee2d	734	}
ganlikun	0:06036f8bee2d	735	}
ganlikun	0:06036f8bee2d	736	else /* OUT endpoint */
ganlikun	0:06036f8bee2d	737	{
ganlikun	0:06036f8bee2d	738	/* Program the transfer size and packet count as follows:
ganlikun	0:06036f8bee2d	739	* pktcnt = N
ganlikun	0:06036f8bee2d	740	* xfersize = N * maxpacket
ganlikun	0:06036f8bee2d	741	*/
ganlikun	0:06036f8bee2d	742	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	743	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	744
ganlikun	0:06036f8bee2d	745	if (ep->xfer_len == 0U)
ganlikun	0:06036f8bee2d	746	{
ganlikun	0:06036f8bee2d	747	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket);
ganlikun	0:06036f8bee2d	748	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19U));
ganlikun	0:06036f8bee2d	749	}
ganlikun	0:06036f8bee2d	750	else
ganlikun	0:06036f8bee2d	751	{
ganlikun	0:06036f8bee2d	752	pktcnt = (ep->xfer_len + ep->maxpacket -1U)/ ep->maxpacket;
ganlikun	0:06036f8bee2d	753	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (pktcnt << 19U));
ganlikun	0:06036f8bee2d	754	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket * pktcnt));
ganlikun	0:06036f8bee2d	755	}
ganlikun	0:06036f8bee2d	756
ganlikun	0:06036f8bee2d	757	if (dma == 1U)
ganlikun	0:06036f8bee2d	758	{
ganlikun	0:06036f8bee2d	759	USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)ep->xfer_buff;
ganlikun	0:06036f8bee2d	760	}
ganlikun	0:06036f8bee2d	761
ganlikun	0:06036f8bee2d	762	if (ep->type == EP_TYPE_ISOC)
ganlikun	0:06036f8bee2d	763	{
ganlikun	0:06036f8bee2d	764	if ((USBx_DEVICE->DSTS & ( 1U << 8U )) == 0U)
ganlikun	0:06036f8bee2d	765	{
ganlikun	0:06036f8bee2d	766	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SODDFRM;
ganlikun	0:06036f8bee2d	767	}
ganlikun	0:06036f8bee2d	768	else
ganlikun	0:06036f8bee2d	769	{
ganlikun	0:06036f8bee2d	770	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
ganlikun	0:06036f8bee2d	771	}
ganlikun	0:06036f8bee2d	772	}
ganlikun	0:06036f8bee2d	773	/* EP enable */
ganlikun	0:06036f8bee2d	774	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
ganlikun	0:06036f8bee2d	775	}
ganlikun	0:06036f8bee2d	776	return HAL_OK;
ganlikun	0:06036f8bee2d	777	}
ganlikun	0:06036f8bee2d	778
ganlikun	0:06036f8bee2d	779	/**
ganlikun	0:06036f8bee2d	780	* @brief USB_EP0StartXfer : setup and starts a transfer over the EP 0
ganlikun	0:06036f8bee2d	781	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	782	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	783	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	784	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	785	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	786	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	787	* @retval HAL status
ganlikun	0:06036f8bee2d	788	*/
ganlikun	0:06036f8bee2d	789	HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
ganlikun	0:06036f8bee2d	790	{
ganlikun	0:06036f8bee2d	791	/* IN endpoint */
ganlikun	0:06036f8bee2d	792	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	793	{
ganlikun	0:06036f8bee2d	794	/* Zero Length Packet? */
ganlikun	0:06036f8bee2d	795	if (ep->xfer_len == 0U)
ganlikun	0:06036f8bee2d	796	{
ganlikun	0:06036f8bee2d	797	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	798	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19U)) ;
ganlikun	0:06036f8bee2d	799	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	800	}
ganlikun	0:06036f8bee2d	801	else
ganlikun	0:06036f8bee2d	802	{
ganlikun	0:06036f8bee2d	803	/* Program the transfer size and packet count
ganlikun	0:06036f8bee2d	804	* as follows: xfersize = N * maxpacket +
ganlikun	0:06036f8bee2d	805	* short_packet pktcnt = N + (short_packet
ganlikun	0:06036f8bee2d	806	* exist ? 1 : 0)
ganlikun	0:06036f8bee2d	807	*/
ganlikun	0:06036f8bee2d	808	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	809	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	810
ganlikun	0:06036f8bee2d	811	if(ep->xfer_len > ep->maxpacket)
ganlikun	0:06036f8bee2d	812	{
ganlikun	0:06036f8bee2d	813	ep->xfer_len = ep->maxpacket;
ganlikun	0:06036f8bee2d	814	}
ganlikun	0:06036f8bee2d	815	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1U << 19U)) ;
ganlikun	0:06036f8bee2d	816	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
ganlikun	0:06036f8bee2d	817
ganlikun	0:06036f8bee2d	818	}
ganlikun	0:06036f8bee2d	819
ganlikun	0:06036f8bee2d	820	/* EP enable, IN data in FIFO */
ganlikun	0:06036f8bee2d	821	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
ganlikun	0:06036f8bee2d	822
ganlikun	0:06036f8bee2d	823	if (dma == 1)
ganlikun	0:06036f8bee2d	824	{
ganlikun	0:06036f8bee2d	825	USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr);
ganlikun	0:06036f8bee2d	826	}
ganlikun	0:06036f8bee2d	827	else
ganlikun	0:06036f8bee2d	828	{
ganlikun	0:06036f8bee2d	829	/* Enable the Tx FIFO Empty Interrupt for this EP */
ganlikun	0:06036f8bee2d	830	if (ep->xfer_len > 0U)
ganlikun	0:06036f8bee2d	831	{
ganlikun	0:06036f8bee2d	832	atomic_set_u32(&USBx_DEVICE->DIEPEMPMSK, 1U << (ep->num));
ganlikun	0:06036f8bee2d	833	}
ganlikun	0:06036f8bee2d	834	}
ganlikun	0:06036f8bee2d	835	}
ganlikun	0:06036f8bee2d	836
ganlikun	0:06036f8bee2d	837	else /* OUT endpoint */
ganlikun	0:06036f8bee2d	838	{
ganlikun	0:06036f8bee2d	839	/* Program the transfer size and packet count as follows:
ganlikun	0:06036f8bee2d	840	* pktcnt = N
ganlikun	0:06036f8bee2d	841	* xfersize = N * maxpacket
ganlikun	0:06036f8bee2d	842	*/
ganlikun	0:06036f8bee2d	843	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
ganlikun	0:06036f8bee2d	844	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
ganlikun	0:06036f8bee2d	845
ganlikun	0:06036f8bee2d	846	if (ep->xfer_len > 0U)
ganlikun	0:06036f8bee2d	847	{
ganlikun	0:06036f8bee2d	848	ep->xfer_len = ep->maxpacket;
ganlikun	0:06036f8bee2d	849	}
ganlikun	0:06036f8bee2d	850
ganlikun	0:06036f8bee2d	851	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19U));
ganlikun	0:06036f8bee2d	852	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket));
ganlikun	0:06036f8bee2d	853
ganlikun	0:06036f8bee2d	854
ganlikun	0:06036f8bee2d	855	if (dma == 1U)
ganlikun	0:06036f8bee2d	856	{
ganlikun	0:06036f8bee2d	857	USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)(ep->xfer_buff);
ganlikun	0:06036f8bee2d	858	}
ganlikun	0:06036f8bee2d	859
ganlikun	0:06036f8bee2d	860	/* EP enable */
ganlikun	0:06036f8bee2d	861	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
ganlikun	0:06036f8bee2d	862	}
ganlikun	0:06036f8bee2d	863	return HAL_OK;
ganlikun	0:06036f8bee2d	864	}
ganlikun	0:06036f8bee2d	865
ganlikun	0:06036f8bee2d	866	/**
ganlikun	0:06036f8bee2d	867	* @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
ganlikun	0:06036f8bee2d	868	* with the EP/channel
ganlikun	0:06036f8bee2d	869	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	870	* @param src : pointer to source buffer
ganlikun	0:06036f8bee2d	871	* @param ch_ep_num : endpoint or host channel number
ganlikun	0:06036f8bee2d	872	* @param len : Number of bytes to write
ganlikun	0:06036f8bee2d	873	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	874	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	875	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	876	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	877	* @retval HAL status
ganlikun	0:06036f8bee2d	878	*/
ganlikun	0:06036f8bee2d	879	HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef USBx, uint8_t src, uint8_t ch_ep_num, uint16_t len, uint8_t dma)
ganlikun	0:06036f8bee2d	880	{
ganlikun	0:06036f8bee2d	881	uint32_t count32b = 0U , i = 0U;
ganlikun	0:06036f8bee2d	882
ganlikun	0:06036f8bee2d	883	if (dma == 0U)
ganlikun	0:06036f8bee2d	884	{
ganlikun	0:06036f8bee2d	885	count32b = (len + 3U) / 4U;
ganlikun	0:06036f8bee2d	886	for (i = 0U; i < count32b; i++, src += 4U)
ganlikun	0:06036f8bee2d	887	{
ganlikun	0:06036f8bee2d	888	USBx_DFIFO(ch_ep_num) = ((__packed uint32_t )src);
ganlikun	0:06036f8bee2d	889	}
ganlikun	0:06036f8bee2d	890	}
ganlikun	0:06036f8bee2d	891	return HAL_OK;
ganlikun	0:06036f8bee2d	892	}
ganlikun	0:06036f8bee2d	893
ganlikun	0:06036f8bee2d	894	/**
ganlikun	0:06036f8bee2d	895	* @brief USB_ReadPacket : read a packet from the Tx FIFO associated
ganlikun	0:06036f8bee2d	896	* with the EP/channel
ganlikun	0:06036f8bee2d	897	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	898	* @param src : source pointer
ganlikun	0:06036f8bee2d	899	* @param ch_ep_num : endpoint or host channel number
ganlikun	0:06036f8bee2d	900	* @param len : Number of bytes to read
ganlikun	0:06036f8bee2d	901	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	902	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	903	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	904	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	905	* @retval pointer to destination buffer
ganlikun	0:06036f8bee2d	906	*/
ganlikun	0:06036f8bee2d	907	void USB_ReadPacket(USB_OTG_GlobalTypeDef USBx, uint8_t *dest, uint16_t len)
ganlikun	0:06036f8bee2d	908	{
ganlikun	0:06036f8bee2d	909	uint32_t i=0U;
ganlikun	0:06036f8bee2d	910	uint32_t count32b = (len + 3U) / 4U;
ganlikun	0:06036f8bee2d	911
ganlikun	0:06036f8bee2d	912	for ( i = 0U; i < count32b; i++, dest += 4U )
ganlikun	0:06036f8bee2d	913	{
ganlikun	0:06036f8bee2d	914	(__packed uint32_t )dest = USBx_DFIFO(0U);
ganlikun	0:06036f8bee2d	915
ganlikun	0:06036f8bee2d	916	}
ganlikun	0:06036f8bee2d	917	return ((void *)dest);
ganlikun	0:06036f8bee2d	918	}
ganlikun	0:06036f8bee2d	919
ganlikun	0:06036f8bee2d	920	/**
ganlikun	0:06036f8bee2d	921	* @brief USB_EPSetStall : set a stall condition over an EP
ganlikun	0:06036f8bee2d	922	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	923	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	924	* @retval HAL status
ganlikun	0:06036f8bee2d	925	*/
ganlikun	0:06036f8bee2d	926	HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	927	{
ganlikun	0:06036f8bee2d	928	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	929	{
ganlikun	0:06036f8bee2d	930	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == 0U)
ganlikun	0:06036f8bee2d	931	{
ganlikun	0:06036f8bee2d	932	USBx_INEP(ep->num)->DIEPCTL &= ~(USB_OTG_DIEPCTL_EPDIS);
ganlikun	0:06036f8bee2d	933	}
ganlikun	0:06036f8bee2d	934	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_STALL;
ganlikun	0:06036f8bee2d	935	}
ganlikun	0:06036f8bee2d	936	else
ganlikun	0:06036f8bee2d	937	{
ganlikun	0:06036f8bee2d	938	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == 0U)
ganlikun	0:06036f8bee2d	939	{
ganlikun	0:06036f8bee2d	940	USBx_OUTEP(ep->num)->DOEPCTL &= ~(USB_OTG_DOEPCTL_EPDIS);
ganlikun	0:06036f8bee2d	941	}
ganlikun	0:06036f8bee2d	942	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_STALL;
ganlikun	0:06036f8bee2d	943	}
ganlikun	0:06036f8bee2d	944	return HAL_OK;
ganlikun	0:06036f8bee2d	945	}
ganlikun	0:06036f8bee2d	946
ganlikun	0:06036f8bee2d	947
ganlikun	0:06036f8bee2d	948	/**
ganlikun	0:06036f8bee2d	949	* @brief USB_EPClearStall : Clear a stall condition over an EP
ganlikun	0:06036f8bee2d	950	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	951	* @param ep: pointer to endpoint structure
ganlikun	0:06036f8bee2d	952	* @retval HAL status
ganlikun	0:06036f8bee2d	953	*/
ganlikun	0:06036f8bee2d	954	HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
ganlikun	0:06036f8bee2d	955	{
ganlikun	0:06036f8bee2d	956	if (ep->is_in == 1U)
ganlikun	0:06036f8bee2d	957	{
ganlikun	0:06036f8bee2d	958	USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
ganlikun	0:06036f8bee2d	959	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
ganlikun	0:06036f8bee2d	960	{
ganlikun	0:06036f8bee2d	961	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM; /* DATA0 */
ganlikun	0:06036f8bee2d	962	}
ganlikun	0:06036f8bee2d	963	}
ganlikun	0:06036f8bee2d	964	else
ganlikun	0:06036f8bee2d	965	{
ganlikun	0:06036f8bee2d	966	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
ganlikun	0:06036f8bee2d	967	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
ganlikun	0:06036f8bee2d	968	{
ganlikun	0:06036f8bee2d	969	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM; /* DATA0 */
ganlikun	0:06036f8bee2d	970	}
ganlikun	0:06036f8bee2d	971	}
ganlikun	0:06036f8bee2d	972	return HAL_OK;
ganlikun	0:06036f8bee2d	973	}
ganlikun	0:06036f8bee2d	974
ganlikun	0:06036f8bee2d	975	/**
ganlikun	0:06036f8bee2d	976	* @brief USB_StopDevice : Stop the usb device mode
ganlikun	0:06036f8bee2d	977	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	978	* @retval HAL status
ganlikun	0:06036f8bee2d	979	*/
ganlikun	0:06036f8bee2d	980	HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	981	{
ganlikun	0:06036f8bee2d	982	uint32_t i;
ganlikun	0:06036f8bee2d	983
ganlikun	0:06036f8bee2d	984	/* Clear Pending interrupt */
ganlikun	0:06036f8bee2d	985	for (i = 0U; i < 15U ; i++)
ganlikun	0:06036f8bee2d	986	{
ganlikun	0:06036f8bee2d	987	USBx_INEP(i)->DIEPINT = 0xFFU;
ganlikun	0:06036f8bee2d	988	USBx_OUTEP(i)->DOEPINT = 0xFFU;
ganlikun	0:06036f8bee2d	989	}
ganlikun	0:06036f8bee2d	990	USBx_DEVICE->DAINT = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	991
ganlikun	0:06036f8bee2d	992	/* Clear interrupt masks */
ganlikun	0:06036f8bee2d	993	USBx_DEVICE->DIEPMSK = 0U;
ganlikun	0:06036f8bee2d	994	USBx_DEVICE->DOEPMSK = 0U;
ganlikun	0:06036f8bee2d	995	USBx_DEVICE->DAINTMSK = 0U;
ganlikun	0:06036f8bee2d	996
ganlikun	0:06036f8bee2d	997	/* Flush the FIFO */
ganlikun	0:06036f8bee2d	998	USB_FlushRxFifo(USBx);
ganlikun	0:06036f8bee2d	999	USB_FlushTxFifo(USBx , 0x10U);
ganlikun	0:06036f8bee2d	1000
ganlikun	0:06036f8bee2d	1001	return HAL_OK;
ganlikun	0:06036f8bee2d	1002	}
ganlikun	0:06036f8bee2d	1003
ganlikun	0:06036f8bee2d	1004	/**
ganlikun	0:06036f8bee2d	1005	* @brief USB_SetDevAddress : Stop the usb device mode
ganlikun	0:06036f8bee2d	1006	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1007	* @param address : new device address to be assigned
ganlikun	0:06036f8bee2d	1008	* This parameter can be a value from 0 to 255
ganlikun	0:06036f8bee2d	1009	* @retval HAL status
ganlikun	0:06036f8bee2d	1010	*/
ganlikun	0:06036f8bee2d	1011	HAL_StatusTypeDef USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address)
ganlikun	0:06036f8bee2d	1012	{
ganlikun	0:06036f8bee2d	1013	USBx_DEVICE->DCFG &= ~ (USB_OTG_DCFG_DAD);
ganlikun	0:06036f8bee2d	1014	USBx_DEVICE->DCFG \|= (address << 4U) & USB_OTG_DCFG_DAD ;
ganlikun	0:06036f8bee2d	1015
ganlikun	0:06036f8bee2d	1016	return HAL_OK;
ganlikun	0:06036f8bee2d	1017	}
ganlikun	0:06036f8bee2d	1018
ganlikun	0:06036f8bee2d	1019	/**
ganlikun	0:06036f8bee2d	1020	* @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
ganlikun	0:06036f8bee2d	1021	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1022	* @retval HAL status
ganlikun	0:06036f8bee2d	1023	*/
ganlikun	0:06036f8bee2d	1024	HAL_StatusTypeDef USB_DevConnect (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1025	{
ganlikun	0:06036f8bee2d	1026	USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS ;
ganlikun	0:06036f8bee2d	1027	HAL_Delay(3U);
ganlikun	0:06036f8bee2d	1028
ganlikun	0:06036f8bee2d	1029	return HAL_OK;
ganlikun	0:06036f8bee2d	1030	}
ganlikun	0:06036f8bee2d	1031
ganlikun	0:06036f8bee2d	1032	/**
ganlikun	0:06036f8bee2d	1033	* @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
ganlikun	0:06036f8bee2d	1034	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1035	* @retval HAL status
ganlikun	0:06036f8bee2d	1036	*/
ganlikun	0:06036f8bee2d	1037	HAL_StatusTypeDef USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1038	{
ganlikun	0:06036f8bee2d	1039	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_SDIS ;
ganlikun	0:06036f8bee2d	1040	HAL_Delay(3U);
ganlikun	0:06036f8bee2d	1041
ganlikun	0:06036f8bee2d	1042	return HAL_OK;
ganlikun	0:06036f8bee2d	1043	}
ganlikun	0:06036f8bee2d	1044
ganlikun	0:06036f8bee2d	1045	/**
ganlikun	0:06036f8bee2d	1046	* @brief USB_ReadInterrupts: return the global USB interrupt status
ganlikun	0:06036f8bee2d	1047	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1048	* @retval HAL status
ganlikun	0:06036f8bee2d	1049	*/
ganlikun	0:06036f8bee2d	1050	uint32_t USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1051	{
ganlikun	0:06036f8bee2d	1052	uint32_t v = 0U;
ganlikun	0:06036f8bee2d	1053
ganlikun	0:06036f8bee2d	1054	v = USBx->GINTSTS;
ganlikun	0:06036f8bee2d	1055	v &= USBx->GINTMSK;
ganlikun	0:06036f8bee2d	1056	return v;
ganlikun	0:06036f8bee2d	1057	}
ganlikun	0:06036f8bee2d	1058
ganlikun	0:06036f8bee2d	1059	/**
ganlikun	0:06036f8bee2d	1060	* @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
ganlikun	0:06036f8bee2d	1061	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1062	* @retval HAL status
ganlikun	0:06036f8bee2d	1063	*/
ganlikun	0:06036f8bee2d	1064	uint32_t USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1065	{
ganlikun	0:06036f8bee2d	1066	uint32_t v;
ganlikun	0:06036f8bee2d	1067	v = USBx_DEVICE->DAINT;
ganlikun	0:06036f8bee2d	1068	v &= USBx_DEVICE->DAINTMSK;
ganlikun	0:06036f8bee2d	1069	return ((v & 0xffff0000U) >> 16U);
ganlikun	0:06036f8bee2d	1070	}
ganlikun	0:06036f8bee2d	1071
ganlikun	0:06036f8bee2d	1072	/**
ganlikun	0:06036f8bee2d	1073	* @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
ganlikun	0:06036f8bee2d	1074	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1075	* @retval HAL status
ganlikun	0:06036f8bee2d	1076	*/
ganlikun	0:06036f8bee2d	1077	uint32_t USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1078	{
ganlikun	0:06036f8bee2d	1079	uint32_t v;
ganlikun	0:06036f8bee2d	1080	v = USBx_DEVICE->DAINT;
ganlikun	0:06036f8bee2d	1081	v &= USBx_DEVICE->DAINTMSK;
ganlikun	0:06036f8bee2d	1082	return ((v & 0xFFFFU));
ganlikun	0:06036f8bee2d	1083	}
ganlikun	0:06036f8bee2d	1084
ganlikun	0:06036f8bee2d	1085	/**
ganlikun	0:06036f8bee2d	1086	* @brief Returns Device OUT EP Interrupt register
ganlikun	0:06036f8bee2d	1087	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1088	* @param epnum : endpoint number
ganlikun	0:06036f8bee2d	1089	* This parameter can be a value from 0 to 15
ganlikun	0:06036f8bee2d	1090	* @retval Device OUT EP Interrupt register
ganlikun	0:06036f8bee2d	1091	*/
ganlikun	0:06036f8bee2d	1092	uint32_t USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
ganlikun	0:06036f8bee2d	1093	{
ganlikun	0:06036f8bee2d	1094	uint32_t v;
ganlikun	0:06036f8bee2d	1095	v = USBx_OUTEP(epnum)->DOEPINT;
ganlikun	0:06036f8bee2d	1096	v &= USBx_DEVICE->DOEPMSK;
ganlikun	0:06036f8bee2d	1097	return v;
ganlikun	0:06036f8bee2d	1098	}
ganlikun	0:06036f8bee2d	1099
ganlikun	0:06036f8bee2d	1100	/**
ganlikun	0:06036f8bee2d	1101	* @brief Returns Device IN EP Interrupt register
ganlikun	0:06036f8bee2d	1102	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1103	* @param epnum : endpoint number
ganlikun	0:06036f8bee2d	1104	* This parameter can be a value from 0 to 15
ganlikun	0:06036f8bee2d	1105	* @retval Device IN EP Interrupt register
ganlikun	0:06036f8bee2d	1106	*/
ganlikun	0:06036f8bee2d	1107	uint32_t USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
ganlikun	0:06036f8bee2d	1108	{
ganlikun	0:06036f8bee2d	1109	uint32_t v, msk, emp;
ganlikun	0:06036f8bee2d	1110
ganlikun	0:06036f8bee2d	1111	msk = USBx_DEVICE->DIEPMSK;
ganlikun	0:06036f8bee2d	1112	emp = USBx_DEVICE->DIEPEMPMSK;
ganlikun	0:06036f8bee2d	1113	msk \|= ((emp >> epnum) & 0x1U) << 7U;
ganlikun	0:06036f8bee2d	1114	v = USBx_INEP(epnum)->DIEPINT & msk;
ganlikun	0:06036f8bee2d	1115	return v;
ganlikun	0:06036f8bee2d	1116	}
ganlikun	0:06036f8bee2d	1117
ganlikun	0:06036f8bee2d	1118	/**
ganlikun	0:06036f8bee2d	1119	* @brief USB_ClearInterrupts: clear a USB interrupt
ganlikun	0:06036f8bee2d	1120	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1121	* @param interrupt : interrupt flag
ganlikun	0:06036f8bee2d	1122	* @retval None
ganlikun	0:06036f8bee2d	1123	*/
ganlikun	0:06036f8bee2d	1124	void USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
ganlikun	0:06036f8bee2d	1125	{
ganlikun	0:06036f8bee2d	1126	USBx->GINTSTS \|= interrupt;
ganlikun	0:06036f8bee2d	1127	}
ganlikun	0:06036f8bee2d	1128
ganlikun	0:06036f8bee2d	1129	/**
ganlikun	0:06036f8bee2d	1130	* @brief Returns USB core mode
ganlikun	0:06036f8bee2d	1131	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1132	* @retval return core mode : Host or Device
ganlikun	0:06036f8bee2d	1133	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1134	* 0 : Host
ganlikun	0:06036f8bee2d	1135	* 1 : Device
ganlikun	0:06036f8bee2d	1136	*/
ganlikun	0:06036f8bee2d	1137	uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1138	{
ganlikun	0:06036f8bee2d	1139	return ((USBx->GINTSTS ) & 0x1U);
ganlikun	0:06036f8bee2d	1140	}
ganlikun	0:06036f8bee2d	1141
ganlikun	0:06036f8bee2d	1142
ganlikun	0:06036f8bee2d	1143	/**
ganlikun	0:06036f8bee2d	1144	* @brief Activate EP0 for Setup transactions
ganlikun	0:06036f8bee2d	1145	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1146	* @retval HAL status
ganlikun	0:06036f8bee2d	1147	*/
ganlikun	0:06036f8bee2d	1148	HAL_StatusTypeDef USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1149	{
ganlikun	0:06036f8bee2d	1150	/* Set the MPS of the IN EP based on the enumeration speed */
ganlikun	0:06036f8bee2d	1151	USBx_INEP(0U)->DIEPCTL &= ~USB_OTG_DIEPCTL_MPSIZ;
ganlikun	0:06036f8bee2d	1152
ganlikun	0:06036f8bee2d	1153	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
ganlikun	0:06036f8bee2d	1154	{
ganlikun	0:06036f8bee2d	1155	USBx_INEP(0U)->DIEPCTL \|= 3U;
ganlikun	0:06036f8bee2d	1156	}
ganlikun	0:06036f8bee2d	1157	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_CGINAK;
ganlikun	0:06036f8bee2d	1158
ganlikun	0:06036f8bee2d	1159	return HAL_OK;
ganlikun	0:06036f8bee2d	1160	}
ganlikun	0:06036f8bee2d	1161
ganlikun	0:06036f8bee2d	1162
ganlikun	0:06036f8bee2d	1163	/**
ganlikun	0:06036f8bee2d	1164	* @brief Prepare the EP0 to start the first control setup
ganlikun	0:06036f8bee2d	1165	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1166	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	1167	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1168	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	1169	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	1170	* @param psetup : pointer to setup packet
ganlikun	0:06036f8bee2d	1171	* @retval HAL status
ganlikun	0:06036f8bee2d	1172	*/
ganlikun	0:06036f8bee2d	1173	HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef USBx, uint8_t dma, uint8_t psetup)
ganlikun	0:06036f8bee2d	1174	{
ganlikun	0:06036f8bee2d	1175	USBx_OUTEP(0U)->DOEPTSIZ = 0U;
ganlikun	0:06036f8bee2d	1176	USBx_OUTEP(0U)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1U << 19U)) ;
ganlikun	0:06036f8bee2d	1177	USBx_OUTEP(0U)->DOEPTSIZ \|= (3U * 8U);
ganlikun	0:06036f8bee2d	1178	USBx_OUTEP(0U)->DOEPTSIZ \|= USB_OTG_DOEPTSIZ_STUPCNT;
ganlikun	0:06036f8bee2d	1179
ganlikun	0:06036f8bee2d	1180	if (dma == 1U)
ganlikun	0:06036f8bee2d	1181	{
ganlikun	0:06036f8bee2d	1182	USBx_OUTEP(0U)->DOEPDMA = (uint32_t)psetup;
ganlikun	0:06036f8bee2d	1183	/* EP enable */
ganlikun	0:06036f8bee2d	1184	USBx_OUTEP(0U)->DOEPCTL = 0x80008000U;
ganlikun	0:06036f8bee2d	1185	}
ganlikun	0:06036f8bee2d	1186
ganlikun	0:06036f8bee2d	1187	return HAL_OK;
ganlikun	0:06036f8bee2d	1188	}
ganlikun	0:06036f8bee2d	1189
ganlikun	0:06036f8bee2d	1190
ganlikun	0:06036f8bee2d	1191	/**
ganlikun	0:06036f8bee2d	1192	* @brief Reset the USB Core (needed after USB clock settings change)
ganlikun	0:06036f8bee2d	1193	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1194	* @retval HAL status
ganlikun	0:06036f8bee2d	1195	*/
ganlikun	0:06036f8bee2d	1196	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1197	{
ganlikun	0:06036f8bee2d	1198	uint32_t count = 0U;
ganlikun	0:06036f8bee2d	1199
ganlikun	0:06036f8bee2d	1200	/* Wait for AHB master IDLE state. */
ganlikun	0:06036f8bee2d	1201	do
ganlikun	0:06036f8bee2d	1202	{
ganlikun	0:06036f8bee2d	1203	if (++count > 200000U)
ganlikun	0:06036f8bee2d	1204	{
ganlikun	0:06036f8bee2d	1205	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	1206	}
ganlikun	0:06036f8bee2d	1207	}
ganlikun	0:06036f8bee2d	1208	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0U);
ganlikun	0:06036f8bee2d	1209
ganlikun	0:06036f8bee2d	1210	/* Core Soft Reset */
ganlikun	0:06036f8bee2d	1211	count = 0U;
ganlikun	0:06036f8bee2d	1212	USBx->GRSTCTL \|= USB_OTG_GRSTCTL_CSRST;
ganlikun	0:06036f8bee2d	1213
ganlikun	0:06036f8bee2d	1214	do
ganlikun	0:06036f8bee2d	1215	{
ganlikun	0:06036f8bee2d	1216	if (++count > 200000U)
ganlikun	0:06036f8bee2d	1217	{
ganlikun	0:06036f8bee2d	1218	return HAL_TIMEOUT;
ganlikun	0:06036f8bee2d	1219	}
ganlikun	0:06036f8bee2d	1220	}
ganlikun	0:06036f8bee2d	1221	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
ganlikun	0:06036f8bee2d	1222
ganlikun	0:06036f8bee2d	1223	return HAL_OK;
ganlikun	0:06036f8bee2d	1224	}
ganlikun	0:06036f8bee2d	1225
ganlikun	0:06036f8bee2d	1226
ganlikun	0:06036f8bee2d	1227	/**
ganlikun	0:06036f8bee2d	1228	* @brief USB_HostInit : Initializes the USB OTG controller registers
ganlikun	0:06036f8bee2d	1229	* for Host mode
ganlikun	0:06036f8bee2d	1230	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1231	* @param cfg : pointer to a USB_OTG_CfgTypeDef structure that contains
ganlikun	0:06036f8bee2d	1232	* the configuration information for the specified USBx peripheral.
ganlikun	0:06036f8bee2d	1233	* @retval HAL status
ganlikun	0:06036f8bee2d	1234	*/
ganlikun	0:06036f8bee2d	1235	HAL_StatusTypeDef USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
ganlikun	0:06036f8bee2d	1236	{
ganlikun	0:06036f8bee2d	1237	uint32_t i;
ganlikun	0:06036f8bee2d	1238
ganlikun	0:06036f8bee2d	1239	/* Restart the Phy Clock */
ganlikun	0:06036f8bee2d	1240	USBx_PCGCCTL = 0U;
ganlikun	0:06036f8bee2d	1241
ganlikun	0:06036f8bee2d	1242	/* Activate VBUS Sensing B */
ganlikun	0:06036f8bee2d	1243	#if defined(STM32F446xx) \|\| defined(STM32F469xx) \|\| defined(STM32F479xx) \|\| defined(STM32F412Zx) \|\| defined(STM32F412Vx) \|\| \
ganlikun	0:06036f8bee2d	1244	defined(STM32F412Rx) \|\| defined(STM32F412Cx) \|\| defined(STM32F413xx) \|\| defined(STM32F423xx)
ganlikun	0:06036f8bee2d	1245	USBx->GCCFG \|= USB_OTG_GCCFG_VBDEN;
ganlikun	0:06036f8bee2d	1246	#else
ganlikun	0:06036f8bee2d	1247	USBx->GCCFG &=~ (USB_OTG_GCCFG_VBUSASEN);
ganlikun	0:06036f8bee2d	1248	USBx->GCCFG &=~ (USB_OTG_GCCFG_VBUSBSEN);
ganlikun	0:06036f8bee2d	1249	USBx->GCCFG \|= USB_OTG_GCCFG_NOVBUSSENS;
ganlikun	0:06036f8bee2d	1250	#endif /* STM32F446xx \|\| STM32F469xx \|\| STM32F479xx \|\| STM32F412Zx \|\| STM32F412Rx \|\| STM32F412Vx \|\| STM32F412Cx \|\| STM32F413xx \|\| STM32F423xx */
ganlikun	0:06036f8bee2d	1251
ganlikun	0:06036f8bee2d	1252	/* Disable the FS/LS support mode only */
ganlikun	0:06036f8bee2d	1253	if((cfg.speed == USB_OTG_SPEED_FULL)&&
ganlikun	0:06036f8bee2d	1254	(USBx != USB_OTG_FS))
ganlikun	0:06036f8bee2d	1255	{
ganlikun	0:06036f8bee2d	1256	USBx_HOST->HCFG \|= USB_OTG_HCFG_FSLSS;
ganlikun	0:06036f8bee2d	1257	}
ganlikun	0:06036f8bee2d	1258	else
ganlikun	0:06036f8bee2d	1259	{
ganlikun	0:06036f8bee2d	1260	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
ganlikun	0:06036f8bee2d	1261	}
ganlikun	0:06036f8bee2d	1262
ganlikun	0:06036f8bee2d	1263	/* Make sure the FIFOs are flushed. */
ganlikun	0:06036f8bee2d	1264	USB_FlushTxFifo(USBx, 0x10U); /* all Tx FIFOs */
ganlikun	0:06036f8bee2d	1265	USB_FlushRxFifo(USBx);
ganlikun	0:06036f8bee2d	1266
ganlikun	0:06036f8bee2d	1267	/* Clear all pending HC Interrupts */
ganlikun	0:06036f8bee2d	1268	for (i = 0U; i < cfg.Host_channels; i++)
ganlikun	0:06036f8bee2d	1269	{
ganlikun	0:06036f8bee2d	1270	USBx_HC(i)->HCINT = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	1271	USBx_HC(i)->HCINTMSK = 0U;
ganlikun	0:06036f8bee2d	1272	}
ganlikun	0:06036f8bee2d	1273
ganlikun	0:06036f8bee2d	1274	/* Enable VBUS driving */
ganlikun	0:06036f8bee2d	1275	USB_DriveVbus(USBx, 1U);
ganlikun	0:06036f8bee2d	1276
ganlikun	0:06036f8bee2d	1277	HAL_Delay(200U);
ganlikun	0:06036f8bee2d	1278
ganlikun	0:06036f8bee2d	1279	/* Disable all interrupts. */
ganlikun	0:06036f8bee2d	1280	USBx->GINTMSK = 0U;
ganlikun	0:06036f8bee2d	1281
ganlikun	0:06036f8bee2d	1282	/* Clear any pending interrupts */
ganlikun	0:06036f8bee2d	1283	USBx->GINTSTS = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	1284
ganlikun	0:06036f8bee2d	1285	if(USBx == USB_OTG_FS)
ganlikun	0:06036f8bee2d	1286	{
ganlikun	0:06036f8bee2d	1287	/* set Rx FIFO size */
ganlikun	0:06036f8bee2d	1288	USBx->GRXFSIZ = 0x80U;
ganlikun	0:06036f8bee2d	1289	USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x60U << 16U)& USB_OTG_NPTXFD) \| 0x80U);
ganlikun	0:06036f8bee2d	1290	USBx->HPTXFSIZ = (uint32_t )(((0x40U << 16U)& USB_OTG_HPTXFSIZ_PTXFD) \| 0xE0U);
ganlikun	0:06036f8bee2d	1291	}
ganlikun	0:06036f8bee2d	1292	else
ganlikun	0:06036f8bee2d	1293	{
ganlikun	0:06036f8bee2d	1294	/* set Rx FIFO size */
ganlikun	0:06036f8bee2d	1295	USBx->GRXFSIZ = 0x200U;
ganlikun	0:06036f8bee2d	1296	USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x100U << 16U)& USB_OTG_NPTXFD) \| 0x200U);
ganlikun	0:06036f8bee2d	1297	USBx->HPTXFSIZ = (uint32_t )(((0xE0U << 16U)& USB_OTG_HPTXFSIZ_PTXFD) \| 0x300U);
ganlikun	0:06036f8bee2d	1298	}
ganlikun	0:06036f8bee2d	1299
ganlikun	0:06036f8bee2d	1300	/* Enable the common interrupts */
ganlikun	0:06036f8bee2d	1301	if (cfg.dma_enable == DISABLE)
ganlikun	0:06036f8bee2d	1302	{
ganlikun	0:06036f8bee2d	1303	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
ganlikun	0:06036f8bee2d	1304	}
ganlikun	0:06036f8bee2d	1305
ganlikun	0:06036f8bee2d	1306	/* Enable interrupts matching to the Host mode ONLY */
ganlikun	0:06036f8bee2d	1307	USBx->GINTMSK \|= (USB_OTG_GINTMSK_PRTIM \| USB_OTG_GINTMSK_HCIM \|\
ganlikun	0:06036f8bee2d	1308	USB_OTG_GINTMSK_SOFM \|USB_OTG_GINTSTS_DISCINT\|\
ganlikun	0:06036f8bee2d	1309	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
ganlikun	0:06036f8bee2d	1310
ganlikun	0:06036f8bee2d	1311	return HAL_OK;
ganlikun	0:06036f8bee2d	1312	}
ganlikun	0:06036f8bee2d	1313
ganlikun	0:06036f8bee2d	1314	/**
ganlikun	0:06036f8bee2d	1315	* @brief USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the
ganlikun	0:06036f8bee2d	1316	* HCFG register on the PHY type and set the right frame interval
ganlikun	0:06036f8bee2d	1317	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1318	* @param freq : clock frequency
ganlikun	0:06036f8bee2d	1319	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1320	* HCFG_48_MHZ : Full Speed 48 MHz Clock
ganlikun	0:06036f8bee2d	1321	* HCFG_6_MHZ : Low Speed 6 MHz Clock
ganlikun	0:06036f8bee2d	1322	* @retval HAL status
ganlikun	0:06036f8bee2d	1323	*/
ganlikun	0:06036f8bee2d	1324	HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx , uint8_t freq)
ganlikun	0:06036f8bee2d	1325	{
ganlikun	0:06036f8bee2d	1326	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSPCS);
ganlikun	0:06036f8bee2d	1327	USBx_HOST->HCFG \|= (freq & USB_OTG_HCFG_FSLSPCS);
ganlikun	0:06036f8bee2d	1328
ganlikun	0:06036f8bee2d	1329	if (freq == HCFG_48_MHZ)
ganlikun	0:06036f8bee2d	1330	{
ganlikun	0:06036f8bee2d	1331	USBx_HOST->HFIR = 48000U;
ganlikun	0:06036f8bee2d	1332	}
ganlikun	0:06036f8bee2d	1333	else if (freq == HCFG_6_MHZ)
ganlikun	0:06036f8bee2d	1334	{
ganlikun	0:06036f8bee2d	1335	USBx_HOST->HFIR = 6000U;
ganlikun	0:06036f8bee2d	1336	}
ganlikun	0:06036f8bee2d	1337	return HAL_OK;
ganlikun	0:06036f8bee2d	1338	}
ganlikun	0:06036f8bee2d	1339
ganlikun	0:06036f8bee2d	1340	/**
ganlikun	0:06036f8bee2d	1341	* @brief USB_OTG_ResetPort : Reset Host Port
ganlikun	0:06036f8bee2d	1342	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1343	* @retval HAL status
ganlikun	0:06036f8bee2d	1344	* @note (1)The application must wait at least 10 ms
ganlikun	0:06036f8bee2d	1345	* before clearing the reset bit.
ganlikun	0:06036f8bee2d	1346	*/
ganlikun	0:06036f8bee2d	1347	HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1348	{
ganlikun	0:06036f8bee2d	1349	__IO uint32_t hprt0;
ganlikun	0:06036f8bee2d	1350
ganlikun	0:06036f8bee2d	1351	hprt0 = USBx_HPRT0;
ganlikun	0:06036f8bee2d	1352
ganlikun	0:06036f8bee2d	1353	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
ganlikun	0:06036f8bee2d	1354	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
ganlikun	0:06036f8bee2d	1355
ganlikun	0:06036f8bee2d	1356	USBx_HPRT0 = (USB_OTG_HPRT_PRST \| hprt0);
ganlikun	0:06036f8bee2d	1357	HAL_Delay (10U); /* See Note #1 */
ganlikun	0:06036f8bee2d	1358	USBx_HPRT0 = ((~USB_OTG_HPRT_PRST) & hprt0);
ganlikun	0:06036f8bee2d	1359	return HAL_OK;
ganlikun	0:06036f8bee2d	1360	}
ganlikun	0:06036f8bee2d	1361
ganlikun	0:06036f8bee2d	1362	/**
ganlikun	0:06036f8bee2d	1363	* @brief USB_DriveVbus : activate or de-activate vbus
ganlikun	0:06036f8bee2d	1364	* @param state : VBUS state
ganlikun	0:06036f8bee2d	1365	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1366	* 0 : VBUS Active
ganlikun	0:06036f8bee2d	1367	* 1 : VBUS Inactive
ganlikun	0:06036f8bee2d	1368	* @retval HAL status
ganlikun	0:06036f8bee2d	1369	*/
ganlikun	0:06036f8bee2d	1370	HAL_StatusTypeDef USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state)
ganlikun	0:06036f8bee2d	1371	{
ganlikun	0:06036f8bee2d	1372	__IO uint32_t hprt0;
ganlikun	0:06036f8bee2d	1373
ganlikun	0:06036f8bee2d	1374	hprt0 = USBx_HPRT0;
ganlikun	0:06036f8bee2d	1375	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
ganlikun	0:06036f8bee2d	1376	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
ganlikun	0:06036f8bee2d	1377
ganlikun	0:06036f8bee2d	1378	if (((hprt0 & USB_OTG_HPRT_PPWR) == 0U) && (state == 1U))
ganlikun	0:06036f8bee2d	1379	{
ganlikun	0:06036f8bee2d	1380	USBx_HPRT0 = (USB_OTG_HPRT_PPWR \| hprt0);
ganlikun	0:06036f8bee2d	1381	}
ganlikun	0:06036f8bee2d	1382	if (((hprt0 & USB_OTG_HPRT_PPWR) == USB_OTG_HPRT_PPWR) && (state == 0U))
ganlikun	0:06036f8bee2d	1383	{
ganlikun	0:06036f8bee2d	1384	USBx_HPRT0 = ((~USB_OTG_HPRT_PPWR) & hprt0);
ganlikun	0:06036f8bee2d	1385	}
ganlikun	0:06036f8bee2d	1386	return HAL_OK;
ganlikun	0:06036f8bee2d	1387	}
ganlikun	0:06036f8bee2d	1388
ganlikun	0:06036f8bee2d	1389	/**
ganlikun	0:06036f8bee2d	1390	* @brief Return Host Core speed
ganlikun	0:06036f8bee2d	1391	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1392	* @retval speed : Host speed
ganlikun	0:06036f8bee2d	1393	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1394	* @arg USB_OTG_SPEED_HIGH: High speed mode
ganlikun	0:06036f8bee2d	1395	* @arg USB_OTG_SPEED_FULL: Full speed mode
ganlikun	0:06036f8bee2d	1396	* @arg USB_OTG_SPEED_LOW: Low speed mode
ganlikun	0:06036f8bee2d	1397	*/
ganlikun	0:06036f8bee2d	1398	uint32_t USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1399	{
ganlikun	0:06036f8bee2d	1400	__IO uint32_t hprt0;
ganlikun	0:06036f8bee2d	1401
ganlikun	0:06036f8bee2d	1402	hprt0 = USBx_HPRT0;
ganlikun	0:06036f8bee2d	1403	return ((hprt0 & USB_OTG_HPRT_PSPD) >> 17U);
ganlikun	0:06036f8bee2d	1404	}
ganlikun	0:06036f8bee2d	1405
ganlikun	0:06036f8bee2d	1406	/**
ganlikun	0:06036f8bee2d	1407	* @brief Return Host Current Frame number
ganlikun	0:06036f8bee2d	1408	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1409	* @retval current frame number
ganlikun	0:06036f8bee2d	1410	*/
ganlikun	0:06036f8bee2d	1411	uint32_t USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1412	{
ganlikun	0:06036f8bee2d	1413	return (USBx_HOST->HFNUM & USB_OTG_HFNUM_FRNUM);
ganlikun	0:06036f8bee2d	1414	}
ganlikun	0:06036f8bee2d	1415
ganlikun	0:06036f8bee2d	1416	/**
ganlikun	0:06036f8bee2d	1417	* @brief Initialize a host channel
ganlikun	0:06036f8bee2d	1418	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1419	* @param ch_num : Channel number
ganlikun	0:06036f8bee2d	1420	* This parameter can be a value from 1 to 15
ganlikun	0:06036f8bee2d	1421	* @param epnum : Endpoint number
ganlikun	0:06036f8bee2d	1422	* This parameter can be a value from 1 to 15
ganlikun	0:06036f8bee2d	1423	* @param dev_address : Current device address
ganlikun	0:06036f8bee2d	1424	* This parameter can be a value from 0 to 255
ganlikun	0:06036f8bee2d	1425	* @param speed : Current device speed
ganlikun	0:06036f8bee2d	1426	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1427	* @arg USB_OTG_SPEED_HIGH: High speed mode
ganlikun	0:06036f8bee2d	1428	* @arg USB_OTG_SPEED_FULL: Full speed mode
ganlikun	0:06036f8bee2d	1429	* @arg USB_OTG_SPEED_LOW: Low speed mode
ganlikun	0:06036f8bee2d	1430	* @param ep_type : Endpoint Type
ganlikun	0:06036f8bee2d	1431	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1432	* @arg EP_TYPE_CTRL: Control type
ganlikun	0:06036f8bee2d	1433	* @arg EP_TYPE_ISOC: Isochronous type
ganlikun	0:06036f8bee2d	1434	* @arg EP_TYPE_BULK: Bulk type
ganlikun	0:06036f8bee2d	1435	* @arg EP_TYPE_INTR: Interrupt type
ganlikun	0:06036f8bee2d	1436	* @param mps : Max Packet Size
ganlikun	0:06036f8bee2d	1437	* This parameter can be a value from 0 to32K
ganlikun	0:06036f8bee2d	1438	* @retval HAL state
ganlikun	0:06036f8bee2d	1439	*/
ganlikun	0:06036f8bee2d	1440	HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx,
ganlikun	0:06036f8bee2d	1441	uint8_t ch_num,
ganlikun	0:06036f8bee2d	1442	uint8_t epnum,
ganlikun	0:06036f8bee2d	1443	uint8_t dev_address,
ganlikun	0:06036f8bee2d	1444	uint8_t speed,
ganlikun	0:06036f8bee2d	1445	uint8_t ep_type,
ganlikun	0:06036f8bee2d	1446	uint16_t mps)
ganlikun	0:06036f8bee2d	1447	{
ganlikun	0:06036f8bee2d	1448
ganlikun	0:06036f8bee2d	1449	/* Clear old interrupt conditions for this host channel. */
ganlikun	0:06036f8bee2d	1450	USBx_HC(ch_num)->HCINT = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	1451
ganlikun	0:06036f8bee2d	1452	/* Enable channel interrupts required for this transfer. */
ganlikun	0:06036f8bee2d	1453	switch (ep_type)
ganlikun	0:06036f8bee2d	1454	{
ganlikun	0:06036f8bee2d	1455	case EP_TYPE_CTRL:
ganlikun	0:06036f8bee2d	1456	case EP_TYPE_BULK:
ganlikun	0:06036f8bee2d	1457
ganlikun	0:06036f8bee2d	1458	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
ganlikun	0:06036f8bee2d	1459	USB_OTG_HCINTMSK_STALLM \|\
ganlikun	0:06036f8bee2d	1460	USB_OTG_HCINTMSK_TXERRM \|\
ganlikun	0:06036f8bee2d	1461	USB_OTG_HCINTMSK_DTERRM \|\
ganlikun	0:06036f8bee2d	1462	USB_OTG_HCINTMSK_AHBERR \|\
ganlikun	0:06036f8bee2d	1463	USB_OTG_HCINTMSK_NAKM ;
ganlikun	0:06036f8bee2d	1464
ganlikun	0:06036f8bee2d	1465	if (epnum & 0x80U)
ganlikun	0:06036f8bee2d	1466	{
ganlikun	0:06036f8bee2d	1467	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
ganlikun	0:06036f8bee2d	1468	}
ganlikun	0:06036f8bee2d	1469	else
ganlikun	0:06036f8bee2d	1470	{
ganlikun	0:06036f8bee2d	1471	if(USBx != USB_OTG_FS)
ganlikun	0:06036f8bee2d	1472	{
ganlikun	0:06036f8bee2d	1473	USBx_HC(ch_num)->HCINTMSK \|= (USB_OTG_HCINTMSK_NYET \| USB_OTG_HCINTMSK_ACKM);
ganlikun	0:06036f8bee2d	1474	}
ganlikun	0:06036f8bee2d	1475	}
ganlikun	0:06036f8bee2d	1476	break;
ganlikun	0:06036f8bee2d	1477
ganlikun	0:06036f8bee2d	1478	case EP_TYPE_INTR:
ganlikun	0:06036f8bee2d	1479
ganlikun	0:06036f8bee2d	1480	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
ganlikun	0:06036f8bee2d	1481	USB_OTG_HCINTMSK_STALLM \|\
ganlikun	0:06036f8bee2d	1482	USB_OTG_HCINTMSK_TXERRM \|\
ganlikun	0:06036f8bee2d	1483	USB_OTG_HCINTMSK_DTERRM \|\
ganlikun	0:06036f8bee2d	1484	USB_OTG_HCINTMSK_NAKM \|\
ganlikun	0:06036f8bee2d	1485	USB_OTG_HCINTMSK_AHBERR \|\
ganlikun	0:06036f8bee2d	1486	USB_OTG_HCINTMSK_FRMORM ;
ganlikun	0:06036f8bee2d	1487
ganlikun	0:06036f8bee2d	1488	if (epnum & 0x80U)
ganlikun	0:06036f8bee2d	1489	{
ganlikun	0:06036f8bee2d	1490	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
ganlikun	0:06036f8bee2d	1491	}
ganlikun	0:06036f8bee2d	1492
ganlikun	0:06036f8bee2d	1493	break;
ganlikun	0:06036f8bee2d	1494	case EP_TYPE_ISOC:
ganlikun	0:06036f8bee2d	1495
ganlikun	0:06036f8bee2d	1496	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
ganlikun	0:06036f8bee2d	1497	USB_OTG_HCINTMSK_ACKM \|\
ganlikun	0:06036f8bee2d	1498	USB_OTG_HCINTMSK_AHBERR \|\
ganlikun	0:06036f8bee2d	1499	USB_OTG_HCINTMSK_FRMORM ;
ganlikun	0:06036f8bee2d	1500
ganlikun	0:06036f8bee2d	1501	if (epnum & 0x80U)
ganlikun	0:06036f8bee2d	1502	{
ganlikun	0:06036f8bee2d	1503	USBx_HC(ch_num)->HCINTMSK \|= (USB_OTG_HCINTMSK_TXERRM \| USB_OTG_HCINTMSK_BBERRM);
ganlikun	0:06036f8bee2d	1504	}
ganlikun	0:06036f8bee2d	1505	break;
ganlikun	0:06036f8bee2d	1506	}
ganlikun	0:06036f8bee2d	1507
ganlikun	0:06036f8bee2d	1508	/* Enable the top level host channel interrupt. */
ganlikun	0:06036f8bee2d	1509	USBx_HOST->HAINTMSK \|= (1 << ch_num);
ganlikun	0:06036f8bee2d	1510
ganlikun	0:06036f8bee2d	1511	/* Make sure host channel interrupts are enabled. */
ganlikun	0:06036f8bee2d	1512	USBx->GINTMSK \|= USB_OTG_GINTMSK_HCIM;
ganlikun	0:06036f8bee2d	1513
ganlikun	0:06036f8bee2d	1514	/* Program the HCCHAR register */
ganlikun	0:06036f8bee2d	1515	USBx_HC(ch_num)->HCCHAR = (((dev_address << 22U) & USB_OTG_HCCHAR_DAD) \|\
ganlikun	0:06036f8bee2d	1516	(((epnum & 0x7FU)<< 11U) & USB_OTG_HCCHAR_EPNUM)\|\
ganlikun	0:06036f8bee2d	1517	((((epnum & 0x80U) == 0x80U)<< 15U) & USB_OTG_HCCHAR_EPDIR)\|\
ganlikun	0:06036f8bee2d	1518	(((speed == USB_OTG_SPEED_LOW)<< 17U) & USB_OTG_HCCHAR_LSDEV)\|\
ganlikun	0:06036f8bee2d	1519	((ep_type << 18U) & USB_OTG_HCCHAR_EPTYP)\|\
ganlikun	0:06036f8bee2d	1520	(mps & USB_OTG_HCCHAR_MPSIZ));
ganlikun	0:06036f8bee2d	1521
ganlikun	0:06036f8bee2d	1522	if (ep_type == EP_TYPE_INTR)
ganlikun	0:06036f8bee2d	1523	{
ganlikun	0:06036f8bee2d	1524	USBx_HC(ch_num)->HCCHAR \|= USB_OTG_HCCHAR_ODDFRM ;
ganlikun	0:06036f8bee2d	1525	}
ganlikun	0:06036f8bee2d	1526
ganlikun	0:06036f8bee2d	1527	return HAL_OK;
ganlikun	0:06036f8bee2d	1528	}
ganlikun	0:06036f8bee2d	1529
ganlikun	0:06036f8bee2d	1530	/**
ganlikun	0:06036f8bee2d	1531	* @brief Start a transfer over a host channel
ganlikun	0:06036f8bee2d	1532	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1533	* @param hc : pointer to host channel structure
ganlikun	0:06036f8bee2d	1534	* @param dma: USB dma enabled or disabled
ganlikun	0:06036f8bee2d	1535	* This parameter can be one of these values:
ganlikun	0:06036f8bee2d	1536	* 0 : DMA feature not used
ganlikun	0:06036f8bee2d	1537	* 1 : DMA feature used
ganlikun	0:06036f8bee2d	1538	* @retval HAL state
ganlikun	0:06036f8bee2d	1539	*/
ganlikun	0:06036f8bee2d	1540	#if defined (__CC_ARM) /!< ARM Compiler /
ganlikun	0:06036f8bee2d	1541	#pragma O0
ganlikun	0:06036f8bee2d	1542	#elif defined (__GNUC__) /!< GNU Compiler /
ganlikun	0:06036f8bee2d	1543	#pragma GCC optimize ("O0")
ganlikun	0:06036f8bee2d	1544	#endif /* __CC_ARM */
ganlikun	0:06036f8bee2d	1545	HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef USBx, USB_OTG_HCTypeDef hc, uint8_t dma)
ganlikun	0:06036f8bee2d	1546	{
ganlikun	0:06036f8bee2d	1547	uint8_t is_oddframe = 0;
ganlikun	0:06036f8bee2d	1548	uint16_t len_words = 0;
ganlikun	0:06036f8bee2d	1549	uint16_t num_packets = 0;
ganlikun	0:06036f8bee2d	1550	uint16_t max_hc_pkt_count = 256;
ganlikun	0:06036f8bee2d	1551	uint32_t tmpreg = 0U;
ganlikun	0:06036f8bee2d	1552
ganlikun	0:06036f8bee2d	1553	if((USBx != USB_OTG_FS) && (hc->speed == USB_OTG_SPEED_HIGH))
ganlikun	0:06036f8bee2d	1554	{
ganlikun	0:06036f8bee2d	1555	if((dma == 0) && (hc->do_ping == 1U))
ganlikun	0:06036f8bee2d	1556	{
ganlikun	0:06036f8bee2d	1557	USB_DoPing(USBx, hc->ch_num);
ganlikun	0:06036f8bee2d	1558	return HAL_OK;
ganlikun	0:06036f8bee2d	1559	}
ganlikun	0:06036f8bee2d	1560	else if(dma == 1)
ganlikun	0:06036f8bee2d	1561	{
ganlikun	0:06036f8bee2d	1562	USBx_HC(hc->ch_num)->HCINTMSK &= ~(USB_OTG_HCINTMSK_NYET \| USB_OTG_HCINTMSK_ACKM);
ganlikun	0:06036f8bee2d	1563	hc->do_ping = 0U;
ganlikun	0:06036f8bee2d	1564	}
ganlikun	0:06036f8bee2d	1565	}
ganlikun	0:06036f8bee2d	1566
ganlikun	0:06036f8bee2d	1567	/* Compute the expected number of packets associated to the transfer */
ganlikun	0:06036f8bee2d	1568	if (hc->xfer_len > 0U)
ganlikun	0:06036f8bee2d	1569	{
ganlikun	0:06036f8bee2d	1570	num_packets = (hc->xfer_len + hc->max_packet - 1U) / hc->max_packet;
ganlikun	0:06036f8bee2d	1571
ganlikun	0:06036f8bee2d	1572	if (num_packets > max_hc_pkt_count)
ganlikun	0:06036f8bee2d	1573	{
ganlikun	0:06036f8bee2d	1574	num_packets = max_hc_pkt_count;
ganlikun	0:06036f8bee2d	1575	hc->xfer_len = num_packets * hc->max_packet;
ganlikun	0:06036f8bee2d	1576	}
ganlikun	0:06036f8bee2d	1577	}
ganlikun	0:06036f8bee2d	1578	else
ganlikun	0:06036f8bee2d	1579	{
ganlikun	0:06036f8bee2d	1580	num_packets = 1;
ganlikun	0:06036f8bee2d	1581	}
ganlikun	0:06036f8bee2d	1582	if (hc->ep_is_in)
ganlikun	0:06036f8bee2d	1583	{
ganlikun	0:06036f8bee2d	1584	hc->xfer_len = num_packets * hc->max_packet;
ganlikun	0:06036f8bee2d	1585	}
ganlikun	0:06036f8bee2d	1586
ganlikun	0:06036f8bee2d	1587	/* Initialize the HCTSIZn register */
ganlikun	0:06036f8bee2d	1588	USBx_HC(hc->ch_num)->HCTSIZ = (((hc->xfer_len) & USB_OTG_HCTSIZ_XFRSIZ)) \|\
ganlikun	0:06036f8bee2d	1589	((num_packets << 19U) & USB_OTG_HCTSIZ_PKTCNT) \|\
ganlikun	0:06036f8bee2d	1590	(((hc->data_pid) << 29U) & USB_OTG_HCTSIZ_DPID);
ganlikun	0:06036f8bee2d	1591
ganlikun	0:06036f8bee2d	1592	if (dma)
ganlikun	0:06036f8bee2d	1593	{
ganlikun	0:06036f8bee2d	1594	/* xfer_buff MUST be 32-bits aligned */
ganlikun	0:06036f8bee2d	1595	USBx_HC(hc->ch_num)->HCDMA = (uint32_t)hc->xfer_buff;
ganlikun	0:06036f8bee2d	1596	}
ganlikun	0:06036f8bee2d	1597
ganlikun	0:06036f8bee2d	1598	is_oddframe = (USBx_HOST->HFNUM & 0x01) ? 0 : 1;
ganlikun	0:06036f8bee2d	1599	USBx_HC(hc->ch_num)->HCCHAR &= ~USB_OTG_HCCHAR_ODDFRM;
ganlikun	0:06036f8bee2d	1600	USBx_HC(hc->ch_num)->HCCHAR \|= (is_oddframe << 29);
ganlikun	0:06036f8bee2d	1601
ganlikun	0:06036f8bee2d	1602	/* Set host channel enable */
ganlikun	0:06036f8bee2d	1603	tmpreg = USBx_HC(hc->ch_num)->HCCHAR;
ganlikun	0:06036f8bee2d	1604	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1605	tmpreg \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1606	USBx_HC(hc->ch_num)->HCCHAR = tmpreg;
ganlikun	0:06036f8bee2d	1607
ganlikun	0:06036f8bee2d	1608	if (dma == 0) /* Slave mode */
ganlikun	0:06036f8bee2d	1609	{
ganlikun	0:06036f8bee2d	1610	if((hc->ep_is_in == 0U) && (hc->xfer_len > 0U))
ganlikun	0:06036f8bee2d	1611	{
ganlikun	0:06036f8bee2d	1612	switch(hc->ep_type)
ganlikun	0:06036f8bee2d	1613	{
ganlikun	0:06036f8bee2d	1614	/* Non periodic transfer */
ganlikun	0:06036f8bee2d	1615	case EP_TYPE_CTRL:
ganlikun	0:06036f8bee2d	1616	case EP_TYPE_BULK:
ganlikun	0:06036f8bee2d	1617
ganlikun	0:06036f8bee2d	1618	len_words = (hc->xfer_len + 3) / 4;
ganlikun	0:06036f8bee2d	1619
ganlikun	0:06036f8bee2d	1620	/* check if there is enough space in FIFO space */
ganlikun	0:06036f8bee2d	1621	if(len_words > (USBx->HNPTXSTS & 0xFFFF))
ganlikun	0:06036f8bee2d	1622	{
ganlikun	0:06036f8bee2d	1623	/* need to process data in nptxfempty interrupt */
ganlikun	0:06036f8bee2d	1624	USBx->GINTMSK \|= USB_OTG_GINTMSK_NPTXFEM;
ganlikun	0:06036f8bee2d	1625	}
ganlikun	0:06036f8bee2d	1626	break;
ganlikun	0:06036f8bee2d	1627	/* Periodic transfer */
ganlikun	0:06036f8bee2d	1628	case EP_TYPE_INTR:
ganlikun	0:06036f8bee2d	1629	case EP_TYPE_ISOC:
ganlikun	0:06036f8bee2d	1630	len_words = (hc->xfer_len + 3) / 4;
ganlikun	0:06036f8bee2d	1631	/* check if there is enough space in FIFO space */
ganlikun	0:06036f8bee2d	1632	if(len_words > (USBx_HOST->HPTXSTS & 0xFFFF)) /* split the transfer */
ganlikun	0:06036f8bee2d	1633	{
ganlikun	0:06036f8bee2d	1634	/* need to process data in ptxfempty interrupt */
ganlikun	0:06036f8bee2d	1635	USBx->GINTMSK \|= USB_OTG_GINTMSK_PTXFEM;
ganlikun	0:06036f8bee2d	1636	}
ganlikun	0:06036f8bee2d	1637	break;
ganlikun	0:06036f8bee2d	1638
ganlikun	0:06036f8bee2d	1639	default:
ganlikun	0:06036f8bee2d	1640	break;
ganlikun	0:06036f8bee2d	1641	}
ganlikun	0:06036f8bee2d	1642
ganlikun	0:06036f8bee2d	1643	/* Write packet into the Tx FIFO. */
ganlikun	0:06036f8bee2d	1644	USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, hc->xfer_len, 0);
ganlikun	0:06036f8bee2d	1645	hc->xfer_count = hc->xfer_len;
ganlikun	0:06036f8bee2d	1646	}
ganlikun	0:06036f8bee2d	1647	}
ganlikun	0:06036f8bee2d	1648
ganlikun	0:06036f8bee2d	1649	return HAL_OK;
ganlikun	0:06036f8bee2d	1650	}
ganlikun	0:06036f8bee2d	1651
ganlikun	0:06036f8bee2d	1652	/**
ganlikun	0:06036f8bee2d	1653	* @brief Read all host channel interrupts status
ganlikun	0:06036f8bee2d	1654	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1655	* @retval HAL state
ganlikun	0:06036f8bee2d	1656	*/
ganlikun	0:06036f8bee2d	1657	uint32_t USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1658	{
ganlikun	0:06036f8bee2d	1659	return ((USBx_HOST->HAINT) & 0xFFFFU);
ganlikun	0:06036f8bee2d	1660	}
ganlikun	0:06036f8bee2d	1661
ganlikun	0:06036f8bee2d	1662	/**
ganlikun	0:06036f8bee2d	1663	* @brief Halt a host channel
ganlikun	0:06036f8bee2d	1664	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1665	* @param hc_num : Host Channel number
ganlikun	0:06036f8bee2d	1666	* This parameter can be a value from 1 to 15
ganlikun	0:06036f8bee2d	1667	* @retval HAL state
ganlikun	0:06036f8bee2d	1668	*/
ganlikun	0:06036f8bee2d	1669	HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx , uint8_t hc_num)
ganlikun	0:06036f8bee2d	1670	{
ganlikun	0:06036f8bee2d	1671	uint32_t count = 0U;
ganlikun	0:06036f8bee2d	1672
ganlikun	0:06036f8bee2d	1673	/* Check for space in the request queue to issue the halt. */
ganlikun	0:06036f8bee2d	1674	if (((((USBx_HC(hc_num)->HCCHAR) & USB_OTG_HCCHAR_EPTYP) >> 18) == HCCHAR_CTRL) \|\| (((((USBx_HC(hc_num)->HCCHAR) &
ganlikun	0:06036f8bee2d	1675	USB_OTG_HCCHAR_EPTYP) >> 18) == HCCHAR_BULK)))
ganlikun	0:06036f8bee2d	1676	{
ganlikun	0:06036f8bee2d	1677	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1678
ganlikun	0:06036f8bee2d	1679	if ((USBx->HNPTXSTS & 0xFF0000U) == 0U)
ganlikun	0:06036f8bee2d	1680	{
ganlikun	0:06036f8bee2d	1681	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1682	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1683	do
ganlikun	0:06036f8bee2d	1684	{
ganlikun	0:06036f8bee2d	1685	if (++count > 1000U)
ganlikun	0:06036f8bee2d	1686	{
ganlikun	0:06036f8bee2d	1687	break;
ganlikun	0:06036f8bee2d	1688	}
ganlikun	0:06036f8bee2d	1689	}
ganlikun	0:06036f8bee2d	1690	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
ganlikun	0:06036f8bee2d	1691	}
ganlikun	0:06036f8bee2d	1692	else
ganlikun	0:06036f8bee2d	1693	{
ganlikun	0:06036f8bee2d	1694	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1695	}
ganlikun	0:06036f8bee2d	1696	}
ganlikun	0:06036f8bee2d	1697	else
ganlikun	0:06036f8bee2d	1698	{
ganlikun	0:06036f8bee2d	1699	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1700
ganlikun	0:06036f8bee2d	1701	if ((USBx_HOST->HPTXSTS & 0xFFFFU) == 0U)
ganlikun	0:06036f8bee2d	1702	{
ganlikun	0:06036f8bee2d	1703	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1704	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1705	do
ganlikun	0:06036f8bee2d	1706	{
ganlikun	0:06036f8bee2d	1707	if (++count > 1000U)
ganlikun	0:06036f8bee2d	1708	{
ganlikun	0:06036f8bee2d	1709	break;
ganlikun	0:06036f8bee2d	1710	}
ganlikun	0:06036f8bee2d	1711	}
ganlikun	0:06036f8bee2d	1712	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
ganlikun	0:06036f8bee2d	1713	}
ganlikun	0:06036f8bee2d	1714	else
ganlikun	0:06036f8bee2d	1715	{
ganlikun	0:06036f8bee2d	1716	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1717	}
ganlikun	0:06036f8bee2d	1718	}
ganlikun	0:06036f8bee2d	1719
ganlikun	0:06036f8bee2d	1720	return HAL_OK;
ganlikun	0:06036f8bee2d	1721	}
ganlikun	0:06036f8bee2d	1722
ganlikun	0:06036f8bee2d	1723	/**
ganlikun	0:06036f8bee2d	1724	* @brief Initiate Do Ping protocol
ganlikun	0:06036f8bee2d	1725	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1726	* @param hc_num : Host Channel number
ganlikun	0:06036f8bee2d	1727	* This parameter can be a value from 1 to 15
ganlikun	0:06036f8bee2d	1728	* @retval HAL state
ganlikun	0:06036f8bee2d	1729	*/
ganlikun	0:06036f8bee2d	1730	HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx , uint8_t ch_num)
ganlikun	0:06036f8bee2d	1731	{
ganlikun	0:06036f8bee2d	1732	uint8_t num_packets = 1U;
ganlikun	0:06036f8bee2d	1733	uint32_t tmpreg = 0U;
ganlikun	0:06036f8bee2d	1734
ganlikun	0:06036f8bee2d	1735	USBx_HC(ch_num)->HCTSIZ = ((num_packets << 19U) & USB_OTG_HCTSIZ_PKTCNT) \|\
ganlikun	0:06036f8bee2d	1736	USB_OTG_HCTSIZ_DOPING;
ganlikun	0:06036f8bee2d	1737
ganlikun	0:06036f8bee2d	1738	/* Set host channel enable */
ganlikun	0:06036f8bee2d	1739	tmpreg = USBx_HC(ch_num)->HCCHAR;
ganlikun	0:06036f8bee2d	1740	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1741	tmpreg \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1742	USBx_HC(ch_num)->HCCHAR = tmpreg;
ganlikun	0:06036f8bee2d	1743
ganlikun	0:06036f8bee2d	1744	return HAL_OK;
ganlikun	0:06036f8bee2d	1745	}
ganlikun	0:06036f8bee2d	1746
ganlikun	0:06036f8bee2d	1747	/**
ganlikun	0:06036f8bee2d	1748	* @brief Stop Host Core
ganlikun	0:06036f8bee2d	1749	* @param USBx : Selected device
ganlikun	0:06036f8bee2d	1750	* @retval HAL state
ganlikun	0:06036f8bee2d	1751	*/
ganlikun	0:06036f8bee2d	1752	HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx)
ganlikun	0:06036f8bee2d	1753	{
ganlikun	0:06036f8bee2d	1754	uint8_t i;
ganlikun	0:06036f8bee2d	1755	uint32_t count = 0U;
ganlikun	0:06036f8bee2d	1756	uint32_t value;
ganlikun	0:06036f8bee2d	1757
ganlikun	0:06036f8bee2d	1758	USB_DisableGlobalInt(USBx);
ganlikun	0:06036f8bee2d	1759
ganlikun	0:06036f8bee2d	1760	/* Flush FIFO */
ganlikun	0:06036f8bee2d	1761	USB_FlushTxFifo(USBx, 0x10U);
ganlikun	0:06036f8bee2d	1762	USB_FlushRxFifo(USBx);
ganlikun	0:06036f8bee2d	1763
ganlikun	0:06036f8bee2d	1764	/* Flush out any leftover queued requests. */
ganlikun	0:06036f8bee2d	1765	for (i = 0; i <= 15; i++)
ganlikun	0:06036f8bee2d	1766	{
ganlikun	0:06036f8bee2d	1767
ganlikun	0:06036f8bee2d	1768	value = USBx_HC(i)->HCCHAR ;
ganlikun	0:06036f8bee2d	1769	value \|= USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1770	value &= ~USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1771	value &= ~USB_OTG_HCCHAR_EPDIR;
ganlikun	0:06036f8bee2d	1772	USBx_HC(i)->HCCHAR = value;
ganlikun	0:06036f8bee2d	1773	}
ganlikun	0:06036f8bee2d	1774
ganlikun	0:06036f8bee2d	1775	/* Halt all channels to put them into a known state. */
ganlikun	0:06036f8bee2d	1776	for (i = 0; i <= 15; i++)
ganlikun	0:06036f8bee2d	1777	{
ganlikun	0:06036f8bee2d	1778	value = USBx_HC(i)->HCCHAR ;
ganlikun	0:06036f8bee2d	1779
ganlikun	0:06036f8bee2d	1780	value \|= USB_OTG_HCCHAR_CHDIS;
ganlikun	0:06036f8bee2d	1781	value \|= USB_OTG_HCCHAR_CHENA;
ganlikun	0:06036f8bee2d	1782	value &= ~USB_OTG_HCCHAR_EPDIR;
ganlikun	0:06036f8bee2d	1783
ganlikun	0:06036f8bee2d	1784	USBx_HC(i)->HCCHAR = value;
ganlikun	0:06036f8bee2d	1785	do
ganlikun	0:06036f8bee2d	1786	{
ganlikun	0:06036f8bee2d	1787	if (++count > 1000U)
ganlikun	0:06036f8bee2d	1788	{
ganlikun	0:06036f8bee2d	1789	break;
ganlikun	0:06036f8bee2d	1790	}
ganlikun	0:06036f8bee2d	1791	}
ganlikun	0:06036f8bee2d	1792	while ((USBx_HC(i)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
ganlikun	0:06036f8bee2d	1793	}
ganlikun	0:06036f8bee2d	1794
ganlikun	0:06036f8bee2d	1795	/* Clear any pending Host interrupts */
ganlikun	0:06036f8bee2d	1796	USBx_HOST->HAINT = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	1797	USBx->GINTSTS = 0xFFFFFFFFU;
ganlikun	0:06036f8bee2d	1798	USB_EnableGlobalInt(USBx);
ganlikun	0:06036f8bee2d	1799	return HAL_OK;
ganlikun	0:06036f8bee2d	1800	}
ganlikun	0:06036f8bee2d	1801	/**
ganlikun	0:06036f8bee2d	1802	* @}
ganlikun	0:06036f8bee2d	1803	*/
ganlikun	0:06036f8bee2d	1804	#endif /* STM32F405xx \|\| STM32F415xx \|\| STM32F407xx \|\| STM32F417xx \|\| STM32F427xx \|\| STM32F437xx \|\| STM32F429xx \|\| STM32F439xx \|\|
ganlikun	0:06036f8bee2d	1805	STM32F401xC \|\| STM32F401xE \|\| STM32F411xE \|\| STM32F446xx \|\| STM32F469xx \|\| STM32F479xx \|\| STM32F412Zx \|\| STM32F412Rx \|\|
ganlikun	0:06036f8bee2d	1806	STM32F412Vx \|\| STM32F412Cx \|\| STM32F413xx \|\| STM32F423xx */
ganlikun	0:06036f8bee2d	1807	#endif /* defined(HAL_PCD_MODULE_ENABLED) \|\| defined(HAL_HCD_MODULE_ENABLED) */
ganlikun	0:06036f8bee2d	1808
ganlikun	0:06036f8bee2d	1809	/**
ganlikun	0:06036f8bee2d	1810	* @}
ganlikun	0:06036f8bee2d	1811	*/
ganlikun	0:06036f8bee2d	1812
ganlikun	0:06036f8bee2d	1813	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/
ganlikun	0:06036f8bee2d	1814

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Created:	24 Oct 2022
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targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_usb.c@0:06036f8bee2d, 2022-10-24 (annotated)

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targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_usb.c@0:06036f8bee2d, 2022-10-24 (annotated)

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