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targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_ll_usb.c@637:ed69428d4850, 2015-12-22 (annotated)

Committer:: jaerts
Date:: Tue Dec 22 13:22:16 2015 +0000
Revision:: 637:ed69428d4850
Parent:: 610:813dcc80987e

Add very shady LPC1768 CAN Filter implementation

Who changed what in which revision?

User	Revision	Line number	New contents of line
mbed_official	610:813dcc80987e	1	/**
mbed_official	610:813dcc80987e	2	******************************************************************************
mbed_official	610:813dcc80987e	3	* @file stm32l4xx_ll_usb.c
mbed_official	610:813dcc80987e	4	* @author MCD Application Team
mbed_official	610:813dcc80987e	5	* @version V1.0.0
mbed_official	610:813dcc80987e	6	* @date 26-June-2015
mbed_official	610:813dcc80987e	7	* @brief USB Low Layer HAL module driver.
mbed_official	610:813dcc80987e	8	*
mbed_official	610:813dcc80987e	9	* This file provides firmware functions to manage the following
mbed_official	610:813dcc80987e	10	* functionalities of the USB Peripheral Controller:
mbed_official	610:813dcc80987e	11	* + Initialization/de-initialization functions
mbed_official	610:813dcc80987e	12	* + I/O operation functions
mbed_official	610:813dcc80987e	13	* + Peripheral Control functions
mbed_official	610:813dcc80987e	14	* + Peripheral State functions
mbed_official	610:813dcc80987e	15	*
mbed_official	610:813dcc80987e	16	@verbatim
mbed_official	610:813dcc80987e	17	==============================================================================
mbed_official	610:813dcc80987e	18	##### How to use this driver #####
mbed_official	610:813dcc80987e	19	==============================================================================
mbed_official	610:813dcc80987e	20	[..]
mbed_official	610:813dcc80987e	21	(#) Fill parameters of Init structure in USB_OTG_CfgTypeDef structure.
mbed_official	610:813dcc80987e	22
mbed_official	610:813dcc80987e	23	(#) Call USB_CoreInit() API to initialize the USB Core peripheral.
mbed_official	610:813dcc80987e	24
mbed_official	610:813dcc80987e	25	(#) The upper HAL HCD/PCD driver will call the right routines for its internal processes.
mbed_official	610:813dcc80987e	26
mbed_official	610:813dcc80987e	27	@endverbatim
mbed_official	610:813dcc80987e	28	******************************************************************************
mbed_official	610:813dcc80987e	29	* @attention
mbed_official	610:813dcc80987e	30	*
mbed_official	610:813dcc80987e	31	* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official	610:813dcc80987e	32	*
mbed_official	610:813dcc80987e	33	* Redistribution and use in source and binary forms, with or without modification,
mbed_official	610:813dcc80987e	34	* are permitted provided that the following conditions are met:
mbed_official	610:813dcc80987e	35	* 1. Redistributions of source code must retain the above copyright notice,
mbed_official	610:813dcc80987e	36	* this list of conditions and the following disclaimer.
mbed_official	610:813dcc80987e	37	* 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official	610:813dcc80987e	38	* this list of conditions and the following disclaimer in the documentation
mbed_official	610:813dcc80987e	39	* and/or other materials provided with the distribution.
mbed_official	610:813dcc80987e	40	* 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official	610:813dcc80987e	41	* may be used to endorse or promote products derived from this software
mbed_official	610:813dcc80987e	42	* without specific prior written permission.
mbed_official	610:813dcc80987e	43	*
mbed_official	610:813dcc80987e	44	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official	610:813dcc80987e	45	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official	610:813dcc80987e	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official	610:813dcc80987e	47	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official	610:813dcc80987e	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official	610:813dcc80987e	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official	610:813dcc80987e	50	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official	610:813dcc80987e	51	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official	610:813dcc80987e	52	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official	610:813dcc80987e	53	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official	610:813dcc80987e	54	*
mbed_official	610:813dcc80987e	55	******************************************************************************
mbed_official	610:813dcc80987e	56	*/
mbed_official	610:813dcc80987e	57
mbed_official	610:813dcc80987e	58	/* Includes ------------------------------------------------------------------*/
mbed_official	610:813dcc80987e	59	#include "stm32l4xx_hal.h"
mbed_official	610:813dcc80987e	60
mbed_official	610:813dcc80987e	61	#if defined(STM32L475xx) \|\| defined(STM32L476xx) \|\| defined(STM32L485xx) \|\| defined(STM32L486xx)
mbed_official	610:813dcc80987e	62
mbed_official	610:813dcc80987e	63	/** @addtogroup STM32L4xx_LL_USB_DRIVER
mbed_official	610:813dcc80987e	64	* @{
mbed_official	610:813dcc80987e	65	*/
mbed_official	610:813dcc80987e	66
mbed_official	610:813dcc80987e	67	#if defined (HAL_PCD_MODULE_ENABLED) \|\| defined (HAL_HCD_MODULE_ENABLED)
mbed_official	610:813dcc80987e	68
mbed_official	610:813dcc80987e	69	/* Private typedef -----------------------------------------------------------*/
mbed_official	610:813dcc80987e	70	/* Private define ------------------------------------------------------------*/
mbed_official	610:813dcc80987e	71	/* Private macro -------------------------------------------------------------*/
mbed_official	610:813dcc80987e	72	/* Private variables ---------------------------------------------------------*/
mbed_official	610:813dcc80987e	73	/* Private function prototypes -----------------------------------------------*/
mbed_official	610:813dcc80987e	74	/* Private functions ---------------------------------------------------------*/
mbed_official	610:813dcc80987e	75	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx);
mbed_official	610:813dcc80987e	76
mbed_official	610:813dcc80987e	77	/* Exported functions --------------------------------------------------------*/
mbed_official	610:813dcc80987e	78
mbed_official	610:813dcc80987e	79	/** @defgroup LL_USB_Exported_Functions USB Low Layer Exported Functions
mbed_official	610:813dcc80987e	80	* @{
mbed_official	610:813dcc80987e	81	*/
mbed_official	610:813dcc80987e	82
mbed_official	610:813dcc80987e	83	/** @defgroup LL_USB_Group1 Initialization/de-initialization functions
mbed_official	610:813dcc80987e	84	* @brief Initialization and Configuration functions
mbed_official	610:813dcc80987e	85	*
mbed_official	610:813dcc80987e	86	@verbatim
mbed_official	610:813dcc80987e	87	===============================================================================
mbed_official	610:813dcc80987e	88	##### Initialization/de-initialization functions #####
mbed_official	610:813dcc80987e	89	===============================================================================
mbed_official	610:813dcc80987e	90	[..] This section provides functions allowing to:
mbed_official	610:813dcc80987e	91
mbed_official	610:813dcc80987e	92	@endverbatim
mbed_official	610:813dcc80987e	93	* @{
mbed_official	610:813dcc80987e	94	*/
mbed_official	610:813dcc80987e	95
mbed_official	610:813dcc80987e	96	/**
mbed_official	610:813dcc80987e	97	* @brief Initializes the USB Core
mbed_official	610:813dcc80987e	98	* @param USBx: USB Instance
mbed_official	610:813dcc80987e	99	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
mbed_official	610:813dcc80987e	100	* the configuration information for the specified USBx peripheral.
mbed_official	610:813dcc80987e	101	* @retval HAL status
mbed_official	610:813dcc80987e	102	*/
mbed_official	610:813dcc80987e	103	HAL_StatusTypeDef USB_CoreInit(USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
mbed_official	610:813dcc80987e	104	{
mbed_official	610:813dcc80987e	105	/* Select FS Embedded PHY */
mbed_official	610:813dcc80987e	106	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_PHYSEL;
mbed_official	610:813dcc80987e	107
mbed_official	610:813dcc80987e	108	/* Reset after a PHY select and set Host mode */
mbed_official	610:813dcc80987e	109	USB_CoreReset(USBx);
mbed_official	610:813dcc80987e	110
mbed_official	610:813dcc80987e	111	/* Deactivate the power down*/
mbed_official	610:813dcc80987e	112	USBx->GCCFG = USB_OTG_GCCFG_PWRDWN;
mbed_official	610:813dcc80987e	113
mbed_official	610:813dcc80987e	114	/* Enable srpcap*/
mbed_official	610:813dcc80987e	115	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_SRPCAP;
mbed_official	610:813dcc80987e	116
mbed_official	610:813dcc80987e	117	return HAL_OK;
mbed_official	610:813dcc80987e	118	}
mbed_official	610:813dcc80987e	119
mbed_official	610:813dcc80987e	120	/**
mbed_official	610:813dcc80987e	121	* @brief USB_EnableGlobalInt
mbed_official	610:813dcc80987e	122	* Enables the controller's Global Int in the AHB Config reg
mbed_official	610:813dcc80987e	123	* @param USBx: Selected device
mbed_official	610:813dcc80987e	124	* @retval HAL status
mbed_official	610:813dcc80987e	125	*/
mbed_official	610:813dcc80987e	126	HAL_StatusTypeDef USB_EnableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	127	{
mbed_official	610:813dcc80987e	128	USBx->GAHBCFG \|= USB_OTG_GAHBCFG_GINT;
mbed_official	610:813dcc80987e	129	return HAL_OK;
mbed_official	610:813dcc80987e	130	}
mbed_official	610:813dcc80987e	131
mbed_official	610:813dcc80987e	132
mbed_official	610:813dcc80987e	133	/**
mbed_official	610:813dcc80987e	134	* @brief USB_DisableGlobalInt
mbed_official	610:813dcc80987e	135	* Disable the controller's Global Int in the AHB Config reg
mbed_official	610:813dcc80987e	136	* @param USBx: Selected device
mbed_official	610:813dcc80987e	137	* @retval HAL status
mbed_official	610:813dcc80987e	138	*/
mbed_official	610:813dcc80987e	139	HAL_StatusTypeDef USB_DisableGlobalInt(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	140	{
mbed_official	610:813dcc80987e	141	USBx->GAHBCFG &= ~USB_OTG_GAHBCFG_GINT;
mbed_official	610:813dcc80987e	142	return HAL_OK;
mbed_official	610:813dcc80987e	143	}
mbed_official	610:813dcc80987e	144
mbed_official	610:813dcc80987e	145	/**
mbed_official	610:813dcc80987e	146	* @brief USB_SetCurrentMode : Set functional mode
mbed_official	610:813dcc80987e	147	* @param USBx: Selected device
mbed_official	610:813dcc80987e	148	* @param mode: current core mode
mbed_official	610:813dcc80987e	149	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	150	* @arg USB_OTG_DEVICE_MODE: Peripheral mode
mbed_official	610:813dcc80987e	151	* @arg USB_OTG_HOST_MODE: Host mode
mbed_official	610:813dcc80987e	152	* @arg USB_OTG_DRD_MODE: Dual Role Device mode
mbed_official	610:813dcc80987e	153	* @retval HAL status
mbed_official	610:813dcc80987e	154	*/
mbed_official	610:813dcc80987e	155	HAL_StatusTypeDef USB_SetCurrentMode(USB_OTG_GlobalTypeDef *USBx , USB_OTG_ModeTypeDef mode)
mbed_official	610:813dcc80987e	156	{
mbed_official	610:813dcc80987e	157	USBx->GUSBCFG &= ~(USB_OTG_GUSBCFG_FHMOD \| USB_OTG_GUSBCFG_FDMOD);
mbed_official	610:813dcc80987e	158
mbed_official	610:813dcc80987e	159	if ( mode == USB_OTG_HOST_MODE)
mbed_official	610:813dcc80987e	160	{
mbed_official	610:813dcc80987e	161	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FHMOD;
mbed_official	610:813dcc80987e	162	}
mbed_official	610:813dcc80987e	163	else if ( mode == USB_OTG_DEVICE_MODE)
mbed_official	610:813dcc80987e	164	{
mbed_official	610:813dcc80987e	165	USBx->GUSBCFG \|= USB_OTG_GUSBCFG_FDMOD;
mbed_official	610:813dcc80987e	166	}
mbed_official	610:813dcc80987e	167	HAL_Delay(50);
mbed_official	610:813dcc80987e	168
mbed_official	610:813dcc80987e	169	return HAL_OK;
mbed_official	610:813dcc80987e	170	}
mbed_official	610:813dcc80987e	171
mbed_official	610:813dcc80987e	172	/**
mbed_official	610:813dcc80987e	173	* @brief USB_DevInit : Initializes the USB_OTG controller registers
mbed_official	610:813dcc80987e	174	* for device mode
mbed_official	610:813dcc80987e	175	* @param USBx: Selected device
mbed_official	610:813dcc80987e	176	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
mbed_official	610:813dcc80987e	177	* the configuration information for the specified USBx peripheral.
mbed_official	610:813dcc80987e	178	* @retval HAL status
mbed_official	610:813dcc80987e	179	*/
mbed_official	610:813dcc80987e	180	HAL_StatusTypeDef USB_DevInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
mbed_official	610:813dcc80987e	181	{
mbed_official	610:813dcc80987e	182	uint32_t i = 0;
mbed_official	610:813dcc80987e	183
mbed_official	610:813dcc80987e	184	/Activate VBUS Sensing B /
mbed_official	610:813dcc80987e	185	USBx->GCCFG \|= USB_OTG_GCCFG_VBDEN;
mbed_official	610:813dcc80987e	186
mbed_official	610:813dcc80987e	187	if (cfg.vbus_sensing_enable == 0)
mbed_official	610:813dcc80987e	188	{
mbed_official	610:813dcc80987e	189	/* Deactivate VBUS Sensing B */
mbed_official	610:813dcc80987e	190	USBx->GCCFG &= ~ USB_OTG_GCCFG_VBDEN;
mbed_official	610:813dcc80987e	191
mbed_official	610:813dcc80987e	192	/* B-peripheral session valid override enable*/
mbed_official	610:813dcc80987e	193	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOEN;
mbed_official	610:813dcc80987e	194	USBx->GOTGCTL \|= USB_OTG_GOTGCTL_BVALOVAL;
mbed_official	610:813dcc80987e	195	}
mbed_official	610:813dcc80987e	196
mbed_official	610:813dcc80987e	197	/* Restart the Phy Clock */
mbed_official	610:813dcc80987e	198	USBx_PCGCCTL = 0;
mbed_official	610:813dcc80987e	199
mbed_official	610:813dcc80987e	200	/* Device mode configuration */
mbed_official	610:813dcc80987e	201	USBx_DEVICE->DCFG \|= DCFG_FRAME_INTERVAL_80;
mbed_official	610:813dcc80987e	202
mbed_official	610:813dcc80987e	203	/* Set Full speed phy */
mbed_official	610:813dcc80987e	204	USB_SetDevSpeed (USBx , USB_OTG_SPEED_FULL);
mbed_official	610:813dcc80987e	205
mbed_official	610:813dcc80987e	206	/* Flush the FIFOs */
mbed_official	610:813dcc80987e	207	USB_FlushTxFifo(USBx , 0x10); /* all Tx FIFOs */
mbed_official	610:813dcc80987e	208	USB_FlushRxFifo(USBx);
mbed_official	610:813dcc80987e	209
mbed_official	610:813dcc80987e	210	/* Clear all pending Device Interrupts */
mbed_official	610:813dcc80987e	211	USBx_DEVICE->DIEPMSK = 0;
mbed_official	610:813dcc80987e	212	USBx_DEVICE->DOEPMSK = 0;
mbed_official	610:813dcc80987e	213	USBx_DEVICE->DAINT = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	214	USBx_DEVICE->DAINTMSK = 0;
mbed_official	610:813dcc80987e	215
mbed_official	610:813dcc80987e	216	for (i = 0; i < cfg.dev_endpoints; i++)
mbed_official	610:813dcc80987e	217	{
mbed_official	610:813dcc80987e	218	if ((USBx_INEP(i)->DIEPCTL & USB_OTG_DIEPCTL_EPENA) == USB_OTG_DIEPCTL_EPENA)
mbed_official	610:813dcc80987e	219	{
mbed_official	610:813dcc80987e	220	USBx_INEP(i)->DIEPCTL = (USB_OTG_DIEPCTL_EPDIS \| USB_OTG_DIEPCTL_SNAK);
mbed_official	610:813dcc80987e	221	}
mbed_official	610:813dcc80987e	222	else
mbed_official	610:813dcc80987e	223	{
mbed_official	610:813dcc80987e	224	USBx_INEP(i)->DIEPCTL = 0;
mbed_official	610:813dcc80987e	225	}
mbed_official	610:813dcc80987e	226
mbed_official	610:813dcc80987e	227	USBx_INEP(i)->DIEPTSIZ = 0;
mbed_official	610:813dcc80987e	228	USBx_INEP(i)->DIEPINT = 0xFF;
mbed_official	610:813dcc80987e	229	}
mbed_official	610:813dcc80987e	230
mbed_official	610:813dcc80987e	231	for (i = 0; i < cfg.dev_endpoints; i++)
mbed_official	610:813dcc80987e	232	{
mbed_official	610:813dcc80987e	233	if ((USBx_OUTEP(i)->DOEPCTL & USB_OTG_DOEPCTL_EPENA) == USB_OTG_DOEPCTL_EPENA)
mbed_official	610:813dcc80987e	234	{
mbed_official	610:813dcc80987e	235	USBx_OUTEP(i)->DOEPCTL = (USB_OTG_DOEPCTL_EPDIS \| USB_OTG_DOEPCTL_SNAK);
mbed_official	610:813dcc80987e	236	}
mbed_official	610:813dcc80987e	237	else
mbed_official	610:813dcc80987e	238	{
mbed_official	610:813dcc80987e	239	USBx_OUTEP(i)->DOEPCTL = 0;
mbed_official	610:813dcc80987e	240	}
mbed_official	610:813dcc80987e	241
mbed_official	610:813dcc80987e	242	USBx_OUTEP(i)->DOEPTSIZ = 0;
mbed_official	610:813dcc80987e	243	USBx_OUTEP(i)->DOEPINT = 0xFF;
mbed_official	610:813dcc80987e	244	}
mbed_official	610:813dcc80987e	245
mbed_official	610:813dcc80987e	246	USBx_DEVICE->DIEPMSK &= ~(USB_OTG_DIEPMSK_TXFURM);
mbed_official	610:813dcc80987e	247
mbed_official	610:813dcc80987e	248	if (cfg.dma_enable == 1)
mbed_official	610:813dcc80987e	249	{
mbed_official	610:813dcc80987e	250	/Set threshold parameters /
mbed_official	610:813dcc80987e	251	USBx_DEVICE->DTHRCTL = (USB_OTG_DTHRCTL_TXTHRLEN_6 \| USB_OTG_DTHRCTL_RXTHRLEN_6);
mbed_official	610:813dcc80987e	252	USBx_DEVICE->DTHRCTL \|= (USB_OTG_DTHRCTL_RXTHREN \| USB_OTG_DTHRCTL_ISOTHREN \| USB_OTG_DTHRCTL_NONISOTHREN);
mbed_official	610:813dcc80987e	253
mbed_official	610:813dcc80987e	254	i= USBx_DEVICE->DTHRCTL;
mbed_official	610:813dcc80987e	255	}
mbed_official	610:813dcc80987e	256
mbed_official	610:813dcc80987e	257	/* Disable all interrupts. */
mbed_official	610:813dcc80987e	258	USBx->GINTMSK = 0;
mbed_official	610:813dcc80987e	259
mbed_official	610:813dcc80987e	260	/* Clear any pending interrupts */
mbed_official	610:813dcc80987e	261	USBx->GINTSTS = 0xBFFFFFFF;
mbed_official	610:813dcc80987e	262
mbed_official	610:813dcc80987e	263	/* Enable the common interrupts */
mbed_official	610:813dcc80987e	264	if (cfg.dma_enable == DISABLE)
mbed_official	610:813dcc80987e	265	{
mbed_official	610:813dcc80987e	266	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
mbed_official	610:813dcc80987e	267	}
mbed_official	610:813dcc80987e	268
mbed_official	610:813dcc80987e	269	/* Enable interrupts matching to the Device mode ONLY */
mbed_official	610:813dcc80987e	270	USBx->GINTMSK \|= (USB_OTG_GINTMSK_USBSUSPM \| USB_OTG_GINTMSK_USBRST \|\
mbed_official	610:813dcc80987e	271	USB_OTG_GINTMSK_ENUMDNEM \| USB_OTG_GINTMSK_IEPINT \|\
mbed_official	610:813dcc80987e	272	USB_OTG_GINTMSK_OEPINT \| USB_OTG_GINTMSK_IISOIXFRM\|\
mbed_official	610:813dcc80987e	273	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
mbed_official	610:813dcc80987e	274
mbed_official	610:813dcc80987e	275	if(cfg.Sof_enable)
mbed_official	610:813dcc80987e	276	{
mbed_official	610:813dcc80987e	277	USBx->GINTMSK \|= USB_OTG_GINTMSK_SOFM;
mbed_official	610:813dcc80987e	278	}
mbed_official	610:813dcc80987e	279
mbed_official	610:813dcc80987e	280	if (cfg.vbus_sensing_enable == ENABLE)
mbed_official	610:813dcc80987e	281	{
mbed_official	610:813dcc80987e	282	USBx->GINTMSK \|= (USB_OTG_GINTMSK_SRQIM \| USB_OTG_GINTMSK_OTGINT);
mbed_official	610:813dcc80987e	283	}
mbed_official	610:813dcc80987e	284
mbed_official	610:813dcc80987e	285	return HAL_OK;
mbed_official	610:813dcc80987e	286	}
mbed_official	610:813dcc80987e	287
mbed_official	610:813dcc80987e	288
mbed_official	610:813dcc80987e	289	/**
mbed_official	610:813dcc80987e	290	* @brief USB_OTG_FlushTxFifo : Flush a Tx FIFO
mbed_official	610:813dcc80987e	291	* @param USBx: Selected device
mbed_official	610:813dcc80987e	292	* @param num: FIFO number
mbed_official	610:813dcc80987e	293	* This parameter can be a value from 1 to 15
mbed_official	610:813dcc80987e	294	15 means Flush all Tx FIFOs
mbed_official	610:813dcc80987e	295	* @retval HAL status
mbed_official	610:813dcc80987e	296	*/
mbed_official	610:813dcc80987e	297	HAL_StatusTypeDef USB_FlushTxFifo (USB_OTG_GlobalTypeDef *USBx, uint32_t num )
mbed_official	610:813dcc80987e	298	{
mbed_official	610:813dcc80987e	299	uint32_t count = 0;
mbed_official	610:813dcc80987e	300
mbed_official	610:813dcc80987e	301	USBx->GRSTCTL = ( USB_OTG_GRSTCTL_TXFFLSH \|(uint32_t)( num << 6));
mbed_official	610:813dcc80987e	302
mbed_official	610:813dcc80987e	303	do
mbed_official	610:813dcc80987e	304	{
mbed_official	610:813dcc80987e	305	if (++count > 200000)
mbed_official	610:813dcc80987e	306	{
mbed_official	610:813dcc80987e	307	return HAL_TIMEOUT;
mbed_official	610:813dcc80987e	308	}
mbed_official	610:813dcc80987e	309	}
mbed_official	610:813dcc80987e	310	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH) == USB_OTG_GRSTCTL_TXFFLSH);
mbed_official	610:813dcc80987e	311
mbed_official	610:813dcc80987e	312	return HAL_OK;
mbed_official	610:813dcc80987e	313	}
mbed_official	610:813dcc80987e	314
mbed_official	610:813dcc80987e	315
mbed_official	610:813dcc80987e	316	/**
mbed_official	610:813dcc80987e	317	* @brief USB_FlushRxFifo : Flush Rx FIFO
mbed_official	610:813dcc80987e	318	* @param USBx: Selected device
mbed_official	610:813dcc80987e	319	* @retval HAL status
mbed_official	610:813dcc80987e	320	*/
mbed_official	610:813dcc80987e	321	HAL_StatusTypeDef USB_FlushRxFifo(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	322	{
mbed_official	610:813dcc80987e	323	uint32_t count = 0;
mbed_official	610:813dcc80987e	324
mbed_official	610:813dcc80987e	325	USBx->GRSTCTL = USB_OTG_GRSTCTL_RXFFLSH;
mbed_official	610:813dcc80987e	326
mbed_official	610:813dcc80987e	327	do
mbed_official	610:813dcc80987e	328	{
mbed_official	610:813dcc80987e	329	if (++count > 200000)
mbed_official	610:813dcc80987e	330	{
mbed_official	610:813dcc80987e	331	return HAL_TIMEOUT;
mbed_official	610:813dcc80987e	332	}
mbed_official	610:813dcc80987e	333	}
mbed_official	610:813dcc80987e	334	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_RXFFLSH) == USB_OTG_GRSTCTL_RXFFLSH);
mbed_official	610:813dcc80987e	335
mbed_official	610:813dcc80987e	336	return HAL_OK;
mbed_official	610:813dcc80987e	337	}
mbed_official	610:813dcc80987e	338
mbed_official	610:813dcc80987e	339	/**
mbed_official	610:813dcc80987e	340	* @brief USB_SetDevSpeed :Initializes the DevSpd field of DCFG register
mbed_official	610:813dcc80987e	341	* depending the PHY type and the enumeration speed of the device.
mbed_official	610:813dcc80987e	342	* @param USBx: Selected device
mbed_official	610:813dcc80987e	343	* @param speed: device speed
mbed_official	610:813dcc80987e	344	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	345	* @arg USB_OTG_SPEED_HIGH: High speed mode
mbed_official	610:813dcc80987e	346	* @arg USB_OTG_SPEED_HIGH_IN_FULL: High speed core in Full Speed mode
mbed_official	610:813dcc80987e	347	* @arg USB_OTG_SPEED_FULL: Full speed mode
mbed_official	610:813dcc80987e	348	* @arg USB_OTG_SPEED_LOW: Low speed mode
mbed_official	610:813dcc80987e	349	* @retval Hal status
mbed_official	610:813dcc80987e	350	*/
mbed_official	610:813dcc80987e	351	HAL_StatusTypeDef USB_SetDevSpeed(USB_OTG_GlobalTypeDef *USBx , uint8_t speed)
mbed_official	610:813dcc80987e	352	{
mbed_official	610:813dcc80987e	353	USBx_DEVICE->DCFG \|= speed;
mbed_official	610:813dcc80987e	354	return HAL_OK;
mbed_official	610:813dcc80987e	355	}
mbed_official	610:813dcc80987e	356
mbed_official	610:813dcc80987e	357	/**
mbed_official	610:813dcc80987e	358	* @brief USB_GetDevSpeed :Return the Dev Speed
mbed_official	610:813dcc80987e	359	* @param USBx: Selected device
mbed_official	610:813dcc80987e	360	* @retval speed : device speed
mbed_official	610:813dcc80987e	361	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	362	* @arg USB_OTG_SPEED_HIGH: High speed mode
mbed_official	610:813dcc80987e	363	* @arg USB_OTG_SPEED_FULL: Full speed mode
mbed_official	610:813dcc80987e	364	* @arg USB_OTG_SPEED_LOW: Low speed mode
mbed_official	610:813dcc80987e	365	*/
mbed_official	610:813dcc80987e	366	uint8_t USB_GetDevSpeed(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	367	{
mbed_official	610:813dcc80987e	368	uint8_t speed = 0;
mbed_official	610:813dcc80987e	369
mbed_official	610:813dcc80987e	370	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ)
mbed_official	610:813dcc80987e	371	{
mbed_official	610:813dcc80987e	372	speed = USB_OTG_SPEED_HIGH;
mbed_official	610:813dcc80987e	373	}
mbed_official	610:813dcc80987e	374	else if (((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ)\|\|
mbed_official	610:813dcc80987e	375	((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_FS_PHY_48MHZ))
mbed_official	610:813dcc80987e	376	{
mbed_official	610:813dcc80987e	377	speed = USB_OTG_SPEED_FULL;
mbed_official	610:813dcc80987e	378	}
mbed_official	610:813dcc80987e	379	else if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
mbed_official	610:813dcc80987e	380	{
mbed_official	610:813dcc80987e	381	speed = USB_OTG_SPEED_LOW;
mbed_official	610:813dcc80987e	382	}
mbed_official	610:813dcc80987e	383
mbed_official	610:813dcc80987e	384	return speed;
mbed_official	610:813dcc80987e	385	}
mbed_official	610:813dcc80987e	386
mbed_official	610:813dcc80987e	387	/**
mbed_official	610:813dcc80987e	388	* @brief Activate and configure an endpoint
mbed_official	610:813dcc80987e	389	* @param USBx: Selected device
mbed_official	610:813dcc80987e	390	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	391	* @retval HAL status
mbed_official	610:813dcc80987e	392	*/
mbed_official	610:813dcc80987e	393	HAL_StatusTypeDef USB_ActivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	394	{
mbed_official	610:813dcc80987e	395	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	396	{
mbed_official	610:813dcc80987e	397	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
mbed_official	610:813dcc80987e	398
mbed_official	610:813dcc80987e	399	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
mbed_official	610:813dcc80987e	400	{
mbed_official	610:813dcc80987e	401	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	402	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
mbed_official	610:813dcc80987e	403	}
mbed_official	610:813dcc80987e	404
mbed_official	610:813dcc80987e	405	}
mbed_official	610:813dcc80987e	406	else
mbed_official	610:813dcc80987e	407	{
mbed_official	610:813dcc80987e	408	USBx_DEVICE->DAINTMSK \|= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
mbed_official	610:813dcc80987e	409
mbed_official	610:813dcc80987e	410	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
mbed_official	610:813dcc80987e	411	{
mbed_official	610:813dcc80987e	412	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	413	(USB_OTG_DIEPCTL_SD0PID_SEVNFRM)\| (USB_OTG_DOEPCTL_USBAEP));
mbed_official	610:813dcc80987e	414	}
mbed_official	610:813dcc80987e	415	}
mbed_official	610:813dcc80987e	416	return HAL_OK;
mbed_official	610:813dcc80987e	417	}
mbed_official	610:813dcc80987e	418	/**
mbed_official	610:813dcc80987e	419	* @brief Activate and configure a dedicated endpoint
mbed_official	610:813dcc80987e	420	* @param USBx: Selected device
mbed_official	610:813dcc80987e	421	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	422	* @retval HAL status
mbed_official	610:813dcc80987e	423	*/
mbed_official	610:813dcc80987e	424	HAL_StatusTypeDef USB_ActivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	425	{
mbed_official	610:813dcc80987e	426	static __IO uint32_t debug = 0;
mbed_official	610:813dcc80987e	427
mbed_official	610:813dcc80987e	428	/* Read DEPCTLn register */
mbed_official	610:813dcc80987e	429	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	430	{
mbed_official	610:813dcc80987e	431	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0)
mbed_official	610:813dcc80987e	432	{
mbed_official	610:813dcc80987e	433	USBx_INEP(ep->num)->DIEPCTL \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	434	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
mbed_official	610:813dcc80987e	435	}
mbed_official	610:813dcc80987e	436
mbed_official	610:813dcc80987e	437
mbed_official	610:813dcc80987e	438	debug \|= ((ep->maxpacket & USB_OTG_DIEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	439	((ep->num) << 22 ) \| (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) \| (USB_OTG_DIEPCTL_USBAEP));
mbed_official	610:813dcc80987e	440
mbed_official	610:813dcc80987e	441	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num)));
mbed_official	610:813dcc80987e	442	}
mbed_official	610:813dcc80987e	443	else
mbed_official	610:813dcc80987e	444	{
mbed_official	610:813dcc80987e	445	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0)
mbed_official	610:813dcc80987e	446	{
mbed_official	610:813dcc80987e	447	USBx_OUTEP(ep->num)->DOEPCTL \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	448	((ep->num) << 22 ) \| (USB_OTG_DOEPCTL_USBAEP));
mbed_official	610:813dcc80987e	449
mbed_official	610:813dcc80987e	450	debug = (uint32_t)(((uint32_t )USBx) + USB_OTG_OUT_ENDPOINT_BASE + (0)*USB_OTG_EP_REG_SIZE);
mbed_official	610:813dcc80987e	451	debug = (uint32_t )&USBx_OUTEP(ep->num)->DOEPCTL;
mbed_official	610:813dcc80987e	452	debug \|= ((ep->maxpacket & USB_OTG_DOEPCTL_MPSIZ ) \| (ep->type << 18 ) \|\
mbed_official	610:813dcc80987e	453	((ep->num) << 22 ) \| (USB_OTG_DOEPCTL_USBAEP));
mbed_official	610:813dcc80987e	454	}
mbed_official	610:813dcc80987e	455
mbed_official	610:813dcc80987e	456	USBx_DEVICE->DEACHMSK \|= USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16);
mbed_official	610:813dcc80987e	457	}
mbed_official	610:813dcc80987e	458
mbed_official	610:813dcc80987e	459	return HAL_OK;
mbed_official	610:813dcc80987e	460	}
mbed_official	610:813dcc80987e	461	/**
mbed_official	610:813dcc80987e	462	* @brief De-activate and de-initialize an endpoint
mbed_official	610:813dcc80987e	463	* @param USBx: Selected device
mbed_official	610:813dcc80987e	464	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	465	* @retval HAL status
mbed_official	610:813dcc80987e	466	*/
mbed_official	610:813dcc80987e	467	HAL_StatusTypeDef USB_DeactivateEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	468	{
mbed_official	610:813dcc80987e	469	/* Read DEPCTLn register */
mbed_official	610:813dcc80987e	470	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	471	{
mbed_official	610:813dcc80987e	472	USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
mbed_official	610:813dcc80987e	473	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
mbed_official	610:813dcc80987e	474	USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
mbed_official	610:813dcc80987e	475	}
mbed_official	610:813dcc80987e	476	else
mbed_official	610:813dcc80987e	477	{
mbed_official	610:813dcc80987e	478	USBx_DEVICE->DEACHMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
mbed_official	610:813dcc80987e	479	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
mbed_official	610:813dcc80987e	480	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
mbed_official	610:813dcc80987e	481	}
mbed_official	610:813dcc80987e	482	return HAL_OK;
mbed_official	610:813dcc80987e	483	}
mbed_official	610:813dcc80987e	484
mbed_official	610:813dcc80987e	485	/**
mbed_official	610:813dcc80987e	486	* @brief De-activate and de-initialize a dedicated endpoint
mbed_official	610:813dcc80987e	487	* @param USBx: Selected device
mbed_official	610:813dcc80987e	488	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	489	* @retval HAL status
mbed_official	610:813dcc80987e	490	*/
mbed_official	610:813dcc80987e	491	HAL_StatusTypeDef USB_DeactivateDedicatedEndpoint(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	492	{
mbed_official	610:813dcc80987e	493	/* Read DEPCTLn register */
mbed_official	610:813dcc80987e	494	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	495	{
mbed_official	610:813dcc80987e	496	USBx_INEP(ep->num)->DIEPCTL &= ~ USB_OTG_DIEPCTL_USBAEP;
mbed_official	610:813dcc80987e	497	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_IEPM & ((1 << (ep->num))));
mbed_official	610:813dcc80987e	498	}
mbed_official	610:813dcc80987e	499	else
mbed_official	610:813dcc80987e	500	{
mbed_official	610:813dcc80987e	501	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_USBAEP;
mbed_official	610:813dcc80987e	502	USBx_DEVICE->DAINTMSK &= ~(USB_OTG_DAINTMSK_OEPM & ((1 << (ep->num)) << 16));
mbed_official	610:813dcc80987e	503	}
mbed_official	610:813dcc80987e	504	return HAL_OK;
mbed_official	610:813dcc80987e	505	}
mbed_official	610:813dcc80987e	506
mbed_official	610:813dcc80987e	507	/**
mbed_official	610:813dcc80987e	508	* @brief USB_EPStartXfer : setup and starts a transfer over an EP
mbed_official	610:813dcc80987e	509	* @param USBx: Selected device
mbed_official	610:813dcc80987e	510	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	511	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	512	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	513	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	514	* 1 : DMA feature used
mbed_official	610:813dcc80987e	515	* @retval HAL status
mbed_official	610:813dcc80987e	516	*/
mbed_official	610:813dcc80987e	517	HAL_StatusTypeDef USB_EPStartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
mbed_official	610:813dcc80987e	518	{
mbed_official	610:813dcc80987e	519	uint16_t pktcnt = 0;
mbed_official	610:813dcc80987e	520
mbed_official	610:813dcc80987e	521	/* IN endpoint */
mbed_official	610:813dcc80987e	522	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	523	{
mbed_official	610:813dcc80987e	524	/* Zero Length Packet? */
mbed_official	610:813dcc80987e	525	if (ep->xfer_len == 0)
mbed_official	610:813dcc80987e	526	{
mbed_official	610:813dcc80987e	527	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	528	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
mbed_official	610:813dcc80987e	529	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	530	}
mbed_official	610:813dcc80987e	531	else
mbed_official	610:813dcc80987e	532	{
mbed_official	610:813dcc80987e	533	/* Program the transfer size and packet count
mbed_official	610:813dcc80987e	534	* as follows: xfersize = N * maxpacket +
mbed_official	610:813dcc80987e	535	* short_packet pktcnt = N + (short_packet
mbed_official	610:813dcc80987e	536	* exist ? 1 : 0)
mbed_official	610:813dcc80987e	537	*/
mbed_official	610:813dcc80987e	538	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	539	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	540	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (((ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket) << 19)) ;
mbed_official	610:813dcc80987e	541	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
mbed_official	610:813dcc80987e	542
mbed_official	610:813dcc80987e	543	if (ep->type == EP_TYPE_ISOC)
mbed_official	610:813dcc80987e	544	{
mbed_official	610:813dcc80987e	545	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_MULCNT);
mbed_official	610:813dcc80987e	546	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_MULCNT & (1 << 29));
mbed_official	610:813dcc80987e	547	}
mbed_official	610:813dcc80987e	548	}
mbed_official	610:813dcc80987e	549
mbed_official	610:813dcc80987e	550	if (dma == 1)
mbed_official	610:813dcc80987e	551	{
mbed_official	610:813dcc80987e	552	USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr);
mbed_official	610:813dcc80987e	553	}
mbed_official	610:813dcc80987e	554	else
mbed_official	610:813dcc80987e	555	{
mbed_official	610:813dcc80987e	556	if (ep->type != EP_TYPE_ISOC)
mbed_official	610:813dcc80987e	557	{
mbed_official	610:813dcc80987e	558	/* Enable the Tx FIFO Empty Interrupt for this EP */
mbed_official	610:813dcc80987e	559	if (ep->xfer_len > 0)
mbed_official	610:813dcc80987e	560	{
mbed_official	610:813dcc80987e	561	USBx_DEVICE->DIEPEMPMSK \|= 1 << ep->num;
mbed_official	610:813dcc80987e	562	}
mbed_official	610:813dcc80987e	563	}
mbed_official	610:813dcc80987e	564	}
mbed_official	610:813dcc80987e	565
mbed_official	610:813dcc80987e	566	if (ep->type == EP_TYPE_ISOC)
mbed_official	610:813dcc80987e	567	{
mbed_official	610:813dcc80987e	568	if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
mbed_official	610:813dcc80987e	569	{
mbed_official	610:813dcc80987e	570	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SODDFRM;
mbed_official	610:813dcc80987e	571	}
mbed_official	610:813dcc80987e	572	else
mbed_official	610:813dcc80987e	573	{
mbed_official	610:813dcc80987e	574	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM;
mbed_official	610:813dcc80987e	575	}
mbed_official	610:813dcc80987e	576	}
mbed_official	610:813dcc80987e	577
mbed_official	610:813dcc80987e	578	/* EP enable, IN data in FIFO */
mbed_official	610:813dcc80987e	579	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
mbed_official	610:813dcc80987e	580
mbed_official	610:813dcc80987e	581	if (ep->type == EP_TYPE_ISOC)
mbed_official	610:813dcc80987e	582	{
mbed_official	610:813dcc80987e	583	USB_WritePacket(USBx, ep->xfer_buff, ep->num, ep->xfer_len, dma);
mbed_official	610:813dcc80987e	584	}
mbed_official	610:813dcc80987e	585	}
mbed_official	610:813dcc80987e	586	else /* OUT endpoint */
mbed_official	610:813dcc80987e	587	{
mbed_official	610:813dcc80987e	588	/* Program the transfer size and packet count as follows:
mbed_official	610:813dcc80987e	589	* pktcnt = N
mbed_official	610:813dcc80987e	590	* xfersize = N * maxpacket
mbed_official	610:813dcc80987e	591	*/
mbed_official	610:813dcc80987e	592	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	593	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	594
mbed_official	610:813dcc80987e	595	if (ep->xfer_len == 0)
mbed_official	610:813dcc80987e	596	{
mbed_official	610:813dcc80987e	597	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & ep->maxpacket);
mbed_official	610:813dcc80987e	598	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
mbed_official	610:813dcc80987e	599	}
mbed_official	610:813dcc80987e	600	else
mbed_official	610:813dcc80987e	601	{
mbed_official	610:813dcc80987e	602	pktcnt = (ep->xfer_len + ep->maxpacket -1)/ ep->maxpacket;
mbed_official	610:813dcc80987e	603	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (pktcnt << 19)); ;
mbed_official	610:813dcc80987e	604	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket * pktcnt));
mbed_official	610:813dcc80987e	605	}
mbed_official	610:813dcc80987e	606
mbed_official	610:813dcc80987e	607	if (dma == 1)
mbed_official	610:813dcc80987e	608	{
mbed_official	610:813dcc80987e	609	USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)ep->xfer_buff;
mbed_official	610:813dcc80987e	610	}
mbed_official	610:813dcc80987e	611
mbed_official	610:813dcc80987e	612	if (ep->type == EP_TYPE_ISOC)
mbed_official	610:813dcc80987e	613	{
mbed_official	610:813dcc80987e	614	if ((USBx_DEVICE->DSTS & ( 1 << 8 )) == 0)
mbed_official	610:813dcc80987e	615	{
mbed_official	610:813dcc80987e	616	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SODDFRM;
mbed_official	610:813dcc80987e	617	}
mbed_official	610:813dcc80987e	618	else
mbed_official	610:813dcc80987e	619	{
mbed_official	610:813dcc80987e	620	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM;
mbed_official	610:813dcc80987e	621	}
mbed_official	610:813dcc80987e	622	}
mbed_official	610:813dcc80987e	623	/* EP enable */
mbed_official	610:813dcc80987e	624	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
mbed_official	610:813dcc80987e	625	}
mbed_official	610:813dcc80987e	626	return HAL_OK;
mbed_official	610:813dcc80987e	627	}
mbed_official	610:813dcc80987e	628
mbed_official	610:813dcc80987e	629	/**
mbed_official	610:813dcc80987e	630	* @brief USB_EP0StartXfer : setup and starts a transfer over the EP 0
mbed_official	610:813dcc80987e	631	* @param USBx: Selected device
mbed_official	610:813dcc80987e	632	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	633	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	634	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	635	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	636	* 1 : DMA feature used
mbed_official	610:813dcc80987e	637	* @retval HAL status
mbed_official	610:813dcc80987e	638	*/
mbed_official	610:813dcc80987e	639	HAL_StatusTypeDef USB_EP0StartXfer(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep, uint8_t dma)
mbed_official	610:813dcc80987e	640	{
mbed_official	610:813dcc80987e	641	/* IN endpoint */
mbed_official	610:813dcc80987e	642	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	643	{
mbed_official	610:813dcc80987e	644	/* Zero Length Packet? */
mbed_official	610:813dcc80987e	645	if (ep->xfer_len == 0)
mbed_official	610:813dcc80987e	646	{
mbed_official	610:813dcc80987e	647	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	648	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
mbed_official	610:813dcc80987e	649	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	650	}
mbed_official	610:813dcc80987e	651	else
mbed_official	610:813dcc80987e	652	{
mbed_official	610:813dcc80987e	653	/* Program the transfer size and packet count
mbed_official	610:813dcc80987e	654	* as follows: xfersize = N * maxpacket +
mbed_official	610:813dcc80987e	655	* short_packet pktcnt = N + (short_packet
mbed_official	610:813dcc80987e	656	* exist ? 1 : 0)
mbed_official	610:813dcc80987e	657	*/
mbed_official	610:813dcc80987e	658	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	659	USBx_INEP(ep->num)->DIEPTSIZ &= ~(USB_OTG_DIEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	660
mbed_official	610:813dcc80987e	661	if(ep->xfer_len > ep->maxpacket)
mbed_official	610:813dcc80987e	662	{
mbed_official	610:813dcc80987e	663	ep->xfer_len = ep->maxpacket;
mbed_official	610:813dcc80987e	664	}
mbed_official	610:813dcc80987e	665	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_PKTCNT & (1 << 19)) ;
mbed_official	610:813dcc80987e	666	USBx_INEP(ep->num)->DIEPTSIZ \|= (USB_OTG_DIEPTSIZ_XFRSIZ & ep->xfer_len);
mbed_official	610:813dcc80987e	667
mbed_official	610:813dcc80987e	668	}
mbed_official	610:813dcc80987e	669
mbed_official	610:813dcc80987e	670	if (dma == 1)
mbed_official	610:813dcc80987e	671	{
mbed_official	610:813dcc80987e	672	USBx_INEP(ep->num)->DIEPDMA = (uint32_t)(ep->dma_addr);
mbed_official	610:813dcc80987e	673	}
mbed_official	610:813dcc80987e	674	else
mbed_official	610:813dcc80987e	675	{
mbed_official	610:813dcc80987e	676	/* Enable the Tx FIFO Empty Interrupt for this EP */
mbed_official	610:813dcc80987e	677	if (ep->xfer_len > 0)
mbed_official	610:813dcc80987e	678	{
mbed_official	610:813dcc80987e	679	USBx_DEVICE->DIEPEMPMSK \|= 1 << (ep->num);
mbed_official	610:813dcc80987e	680	}
mbed_official	610:813dcc80987e	681	}
mbed_official	610:813dcc80987e	682
mbed_official	610:813dcc80987e	683	/* EP enable, IN data in FIFO */
mbed_official	610:813dcc80987e	684	USBx_INEP(ep->num)->DIEPCTL \|= (USB_OTG_DIEPCTL_CNAK \| USB_OTG_DIEPCTL_EPENA);
mbed_official	610:813dcc80987e	685	}
mbed_official	610:813dcc80987e	686	else /* OUT endpoint */
mbed_official	610:813dcc80987e	687	{
mbed_official	610:813dcc80987e	688	/* Program the transfer size and packet count as follows:
mbed_official	610:813dcc80987e	689	* pktcnt = N
mbed_official	610:813dcc80987e	690	* xfersize = N * maxpacket
mbed_official	610:813dcc80987e	691	*/
mbed_official	610:813dcc80987e	692	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_XFRSIZ);
mbed_official	610:813dcc80987e	693	USBx_OUTEP(ep->num)->DOEPTSIZ &= ~(USB_OTG_DOEPTSIZ_PKTCNT);
mbed_official	610:813dcc80987e	694
mbed_official	610:813dcc80987e	695	if (ep->xfer_len > 0)
mbed_official	610:813dcc80987e	696	{
mbed_official	610:813dcc80987e	697	ep->xfer_len = ep->maxpacket;
mbed_official	610:813dcc80987e	698	}
mbed_official	610:813dcc80987e	699
mbed_official	610:813dcc80987e	700	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19));
mbed_official	610:813dcc80987e	701	USBx_OUTEP(ep->num)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_XFRSIZ & (ep->maxpacket));
mbed_official	610:813dcc80987e	702
mbed_official	610:813dcc80987e	703
mbed_official	610:813dcc80987e	704	if (dma == 1)
mbed_official	610:813dcc80987e	705	{
mbed_official	610:813dcc80987e	706	USBx_OUTEP(ep->num)->DOEPDMA = (uint32_t)(ep->xfer_buff);
mbed_official	610:813dcc80987e	707	}
mbed_official	610:813dcc80987e	708
mbed_official	610:813dcc80987e	709	/* EP enable */
mbed_official	610:813dcc80987e	710	USBx_OUTEP(ep->num)->DOEPCTL \|= (USB_OTG_DOEPCTL_CNAK \| USB_OTG_DOEPCTL_EPENA);
mbed_official	610:813dcc80987e	711	}
mbed_official	610:813dcc80987e	712	return HAL_OK;
mbed_official	610:813dcc80987e	713	}
mbed_official	610:813dcc80987e	714
mbed_official	610:813dcc80987e	715	/**
mbed_official	610:813dcc80987e	716	* @brief USB_WritePacket : Writes a packet into the Tx FIFO associated
mbed_official	610:813dcc80987e	717	* with the EP/channel
mbed_official	610:813dcc80987e	718	* @param USBx: Selected device
mbed_official	610:813dcc80987e	719	* @param src: pointer to source buffer
mbed_official	610:813dcc80987e	720	* @param ch_ep_num: endpoint or host channel number
mbed_official	610:813dcc80987e	721	* @param len: Number of bytes to write
mbed_official	610:813dcc80987e	722	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	723	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	724	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	725	* 1 : DMA feature used
mbed_official	610:813dcc80987e	726	* @retval HAL status
mbed_official	610:813dcc80987e	727	*/
mbed_official	610:813dcc80987e	728	HAL_StatusTypeDef USB_WritePacket(USB_OTG_GlobalTypeDef USBx, uint8_t src, uint8_t ch_ep_num, uint16_t len, uint8_t dma)
mbed_official	610:813dcc80987e	729	{
mbed_official	610:813dcc80987e	730	uint32_t count32b= 0 , i= 0;
mbed_official	610:813dcc80987e	731
mbed_official	610:813dcc80987e	732	if (dma == 0)
mbed_official	610:813dcc80987e	733	{
mbed_official	610:813dcc80987e	734	count32b = (len + 3) / 4;
mbed_official	610:813dcc80987e	735	for (i = 0; i < count32b; i++, src += 4)
mbed_official	610:813dcc80987e	736	{
mbed_official	610:813dcc80987e	737	USBx_DFIFO(ch_ep_num) = ((__packed uint32_t )src);
mbed_official	610:813dcc80987e	738	}
mbed_official	610:813dcc80987e	739	}
mbed_official	610:813dcc80987e	740	return HAL_OK;
mbed_official	610:813dcc80987e	741	}
mbed_official	610:813dcc80987e	742
mbed_official	610:813dcc80987e	743	/**
mbed_official	610:813dcc80987e	744	* @brief USB_ReadPacket : read a packet from the Tx FIFO associated
mbed_official	610:813dcc80987e	745	* with the EP/channel
mbed_official	610:813dcc80987e	746	* @param USBx: Selected device
mbed_official	610:813dcc80987e	747	* @param src: source pointer
mbed_official	610:813dcc80987e	748	* @param ch_ep_num: endpoint or host channel number
mbed_official	610:813dcc80987e	749	* @param len: Number of bytes to read
mbed_official	610:813dcc80987e	750	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	751	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	752	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	753	* 1 : DMA feature used
mbed_official	610:813dcc80987e	754	* @retval pointer to destination buffer
mbed_official	610:813dcc80987e	755	*/
mbed_official	610:813dcc80987e	756	void USB_ReadPacket(USB_OTG_GlobalTypeDef USBx, uint8_t *dest, uint16_t len)
mbed_official	610:813dcc80987e	757	{
mbed_official	610:813dcc80987e	758	uint32_t i=0;
mbed_official	610:813dcc80987e	759	uint32_t count32b = (len + 3) / 4;
mbed_official	610:813dcc80987e	760
mbed_official	610:813dcc80987e	761	for ( i = 0; i < count32b; i++, dest += 4 )
mbed_official	610:813dcc80987e	762	{
mbed_official	610:813dcc80987e	763	(__packed uint32_t )dest = USBx_DFIFO(0);
mbed_official	610:813dcc80987e	764
mbed_official	610:813dcc80987e	765	}
mbed_official	610:813dcc80987e	766	return ((void *)dest);
mbed_official	610:813dcc80987e	767	}
mbed_official	610:813dcc80987e	768
mbed_official	610:813dcc80987e	769	/**
mbed_official	610:813dcc80987e	770	* @brief USB_EPSetStall : set a stall condition over an EP
mbed_official	610:813dcc80987e	771	* @param USBx: Selected device
mbed_official	610:813dcc80987e	772	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	773	* @retval HAL status
mbed_official	610:813dcc80987e	774	*/
mbed_official	610:813dcc80987e	775	HAL_StatusTypeDef USB_EPSetStall(USB_OTG_GlobalTypeDef USBx , USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	776	{
mbed_official	610:813dcc80987e	777	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	778	{
mbed_official	610:813dcc80987e	779	if (((USBx_INEP(ep->num)->DIEPCTL) & USB_OTG_DIEPCTL_EPENA) == 0)
mbed_official	610:813dcc80987e	780	{
mbed_official	610:813dcc80987e	781	USBx_INEP(ep->num)->DIEPCTL &= ~(USB_OTG_DIEPCTL_EPDIS);
mbed_official	610:813dcc80987e	782	}
mbed_official	610:813dcc80987e	783	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_STALL;
mbed_official	610:813dcc80987e	784	}
mbed_official	610:813dcc80987e	785	else
mbed_official	610:813dcc80987e	786	{
mbed_official	610:813dcc80987e	787	if (((USBx_OUTEP(ep->num)->DOEPCTL) & USB_OTG_DOEPCTL_EPENA) == 0)
mbed_official	610:813dcc80987e	788	{
mbed_official	610:813dcc80987e	789	USBx_OUTEP(ep->num)->DOEPCTL &= ~(USB_OTG_DOEPCTL_EPDIS);
mbed_official	610:813dcc80987e	790	}
mbed_official	610:813dcc80987e	791	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_STALL;
mbed_official	610:813dcc80987e	792	}
mbed_official	610:813dcc80987e	793	return HAL_OK;
mbed_official	610:813dcc80987e	794	}
mbed_official	610:813dcc80987e	795
mbed_official	610:813dcc80987e	796
mbed_official	610:813dcc80987e	797	/**
mbed_official	610:813dcc80987e	798	* @brief USB_EPClearStall : Clear a stall condition over an EP
mbed_official	610:813dcc80987e	799	* @param USBx: Selected device
mbed_official	610:813dcc80987e	800	* @param ep: pointer to endpoint structure
mbed_official	610:813dcc80987e	801	* @retval HAL status
mbed_official	610:813dcc80987e	802	*/
mbed_official	610:813dcc80987e	803	HAL_StatusTypeDef USB_EPClearStall(USB_OTG_GlobalTypeDef USBx, USB_OTG_EPTypeDef ep)
mbed_official	610:813dcc80987e	804	{
mbed_official	610:813dcc80987e	805	if (ep->is_in == 1)
mbed_official	610:813dcc80987e	806	{
mbed_official	610:813dcc80987e	807	USBx_INEP(ep->num)->DIEPCTL &= ~USB_OTG_DIEPCTL_STALL;
mbed_official	610:813dcc80987e	808	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
mbed_official	610:813dcc80987e	809	{
mbed_official	610:813dcc80987e	810	USBx_INEP(ep->num)->DIEPCTL \|= USB_OTG_DIEPCTL_SD0PID_SEVNFRM; /* DATA0 */
mbed_official	610:813dcc80987e	811	}
mbed_official	610:813dcc80987e	812	}
mbed_official	610:813dcc80987e	813	else
mbed_official	610:813dcc80987e	814	{
mbed_official	610:813dcc80987e	815	USBx_OUTEP(ep->num)->DOEPCTL &= ~USB_OTG_DOEPCTL_STALL;
mbed_official	610:813dcc80987e	816	if (ep->type == EP_TYPE_INTR \|\| ep->type == EP_TYPE_BULK)
mbed_official	610:813dcc80987e	817	{
mbed_official	610:813dcc80987e	818	USBx_OUTEP(ep->num)->DOEPCTL \|= USB_OTG_DOEPCTL_SD0PID_SEVNFRM; /* DATA0 */
mbed_official	610:813dcc80987e	819	}
mbed_official	610:813dcc80987e	820	}
mbed_official	610:813dcc80987e	821	return HAL_OK;
mbed_official	610:813dcc80987e	822	}
mbed_official	610:813dcc80987e	823
mbed_official	610:813dcc80987e	824	/**
mbed_official	610:813dcc80987e	825	* @brief USB_StopDevice : Stop the USB device mode
mbed_official	610:813dcc80987e	826	* @param USBx: Selected device
mbed_official	610:813dcc80987e	827	* @retval HAL status
mbed_official	610:813dcc80987e	828	*/
mbed_official	610:813dcc80987e	829	HAL_StatusTypeDef USB_StopDevice(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	830	{
mbed_official	610:813dcc80987e	831	uint32_t i;
mbed_official	610:813dcc80987e	832
mbed_official	610:813dcc80987e	833	/* Clear Pending interrupt */
mbed_official	610:813dcc80987e	834	for (i = 0; i < 15 ; i++)
mbed_official	610:813dcc80987e	835	{
mbed_official	610:813dcc80987e	836	USBx_INEP(i)->DIEPINT = 0xFF;
mbed_official	610:813dcc80987e	837	USBx_OUTEP(i)->DOEPINT = 0xFF;
mbed_official	610:813dcc80987e	838	}
mbed_official	610:813dcc80987e	839	USBx_DEVICE->DAINT = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	840
mbed_official	610:813dcc80987e	841	/* Clear interrupt masks */
mbed_official	610:813dcc80987e	842	USBx_DEVICE->DIEPMSK = 0;
mbed_official	610:813dcc80987e	843	USBx_DEVICE->DOEPMSK = 0;
mbed_official	610:813dcc80987e	844	USBx_DEVICE->DAINTMSK = 0;
mbed_official	610:813dcc80987e	845
mbed_official	610:813dcc80987e	846	/* Flush the FIFO */
mbed_official	610:813dcc80987e	847	USB_FlushRxFifo(USBx);
mbed_official	610:813dcc80987e	848	USB_FlushTxFifo(USBx , 0x10 );
mbed_official	610:813dcc80987e	849
mbed_official	610:813dcc80987e	850	return HAL_OK;
mbed_official	610:813dcc80987e	851	}
mbed_official	610:813dcc80987e	852
mbed_official	610:813dcc80987e	853	/**
mbed_official	610:813dcc80987e	854	* @brief USB_SetDevAddress : Stop the USB device mode
mbed_official	610:813dcc80987e	855	* @param USBx: Selected device
mbed_official	610:813dcc80987e	856	* @param address: new device address to be assigned
mbed_official	610:813dcc80987e	857	* This parameter can be a value from 0 to 255
mbed_official	610:813dcc80987e	858	* @retval HAL status
mbed_official	610:813dcc80987e	859	*/
mbed_official	610:813dcc80987e	860	HAL_StatusTypeDef USB_SetDevAddress (USB_OTG_GlobalTypeDef *USBx, uint8_t address)
mbed_official	610:813dcc80987e	861	{
mbed_official	610:813dcc80987e	862	USBx_DEVICE->DCFG &= ~ (USB_OTG_DCFG_DAD);
mbed_official	610:813dcc80987e	863	USBx_DEVICE->DCFG \|= (address << 4) & USB_OTG_DCFG_DAD ;
mbed_official	610:813dcc80987e	864
mbed_official	610:813dcc80987e	865	return HAL_OK;
mbed_official	610:813dcc80987e	866	}
mbed_official	610:813dcc80987e	867
mbed_official	610:813dcc80987e	868	/**
mbed_official	610:813dcc80987e	869	* @brief USB_DevConnect : Connect the USB device by enabling the pull-up/pull-down
mbed_official	610:813dcc80987e	870	* @param USBx: Selected device
mbed_official	610:813dcc80987e	871	* @retval HAL status
mbed_official	610:813dcc80987e	872	*/
mbed_official	610:813dcc80987e	873	HAL_StatusTypeDef USB_DevConnect (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	874	{
mbed_official	610:813dcc80987e	875	USBx_DEVICE->DCTL &= ~USB_OTG_DCTL_SDIS ;
mbed_official	610:813dcc80987e	876	HAL_Delay(3);
mbed_official	610:813dcc80987e	877
mbed_official	610:813dcc80987e	878	return HAL_OK;
mbed_official	610:813dcc80987e	879	}
mbed_official	610:813dcc80987e	880
mbed_official	610:813dcc80987e	881	/**
mbed_official	610:813dcc80987e	882	* @brief USB_DevDisconnect : Disconnect the USB device by disabling the pull-up/pull-down
mbed_official	610:813dcc80987e	883	* @param USBx: Selected device
mbed_official	610:813dcc80987e	884	* @retval HAL status
mbed_official	610:813dcc80987e	885	*/
mbed_official	610:813dcc80987e	886	HAL_StatusTypeDef USB_DevDisconnect (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	887	{
mbed_official	610:813dcc80987e	888	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_SDIS ;
mbed_official	610:813dcc80987e	889	HAL_Delay(3);
mbed_official	610:813dcc80987e	890
mbed_official	610:813dcc80987e	891	return HAL_OK;
mbed_official	610:813dcc80987e	892	}
mbed_official	610:813dcc80987e	893
mbed_official	610:813dcc80987e	894	/**
mbed_official	610:813dcc80987e	895	* @brief USB_ReadInterrupts: return the global USB interrupt status
mbed_official	610:813dcc80987e	896	* @param USBx: Selected device
mbed_official	610:813dcc80987e	897	* @retval HAL status
mbed_official	610:813dcc80987e	898	*/
mbed_official	610:813dcc80987e	899	uint32_t USB_ReadInterrupts (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	900	{
mbed_official	610:813dcc80987e	901	uint32_t v = 0;
mbed_official	610:813dcc80987e	902
mbed_official	610:813dcc80987e	903	v = USBx->GINTSTS;
mbed_official	610:813dcc80987e	904	v &= USBx->GINTMSK;
mbed_official	610:813dcc80987e	905	return v;
mbed_official	610:813dcc80987e	906	}
mbed_official	610:813dcc80987e	907
mbed_official	610:813dcc80987e	908	/**
mbed_official	610:813dcc80987e	909	* @brief USB_ReadDevAllOutEpInterrupt: return the USB device OUT endpoints interrupt status
mbed_official	610:813dcc80987e	910	* @param USBx: Selected device
mbed_official	610:813dcc80987e	911	* @retval HAL status
mbed_official	610:813dcc80987e	912	*/
mbed_official	610:813dcc80987e	913	uint32_t USB_ReadDevAllOutEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	914	{
mbed_official	610:813dcc80987e	915	uint32_t v;
mbed_official	610:813dcc80987e	916	v = USBx_DEVICE->DAINT;
mbed_official	610:813dcc80987e	917	v &= USBx_DEVICE->DAINTMSK;
mbed_official	610:813dcc80987e	918	return ((v & 0xffff0000) >> 16);
mbed_official	610:813dcc80987e	919	}
mbed_official	610:813dcc80987e	920
mbed_official	610:813dcc80987e	921	/**
mbed_official	610:813dcc80987e	922	* @brief USB_ReadDevAllInEpInterrupt: return the USB device IN endpoints interrupt status
mbed_official	610:813dcc80987e	923	* @param USBx: Selected device
mbed_official	610:813dcc80987e	924	* @retval HAL status
mbed_official	610:813dcc80987e	925	*/
mbed_official	610:813dcc80987e	926	uint32_t USB_ReadDevAllInEpInterrupt (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	927	{
mbed_official	610:813dcc80987e	928	uint32_t v;
mbed_official	610:813dcc80987e	929	v = USBx_DEVICE->DAINT;
mbed_official	610:813dcc80987e	930	v &= USBx_DEVICE->DAINTMSK;
mbed_official	610:813dcc80987e	931	return ((v & 0xFFFF));
mbed_official	610:813dcc80987e	932	}
mbed_official	610:813dcc80987e	933
mbed_official	610:813dcc80987e	934	/**
mbed_official	610:813dcc80987e	935	* @brief Returns Device OUT EP Interrupt register
mbed_official	610:813dcc80987e	936	* @param USBx: Selected device
mbed_official	610:813dcc80987e	937	* @param epnum: endpoint number
mbed_official	610:813dcc80987e	938	* This parameter can be a value from 0 to 15
mbed_official	610:813dcc80987e	939	* @retval Device OUT EP Interrupt register
mbed_official	610:813dcc80987e	940	*/
mbed_official	610:813dcc80987e	941	uint32_t USB_ReadDevOutEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
mbed_official	610:813dcc80987e	942	{
mbed_official	610:813dcc80987e	943	uint32_t v;
mbed_official	610:813dcc80987e	944	v = USBx_OUTEP(epnum)->DOEPINT;
mbed_official	610:813dcc80987e	945	v &= USBx_DEVICE->DOEPMSK;
mbed_official	610:813dcc80987e	946	return v;
mbed_official	610:813dcc80987e	947	}
mbed_official	610:813dcc80987e	948
mbed_official	610:813dcc80987e	949	/**
mbed_official	610:813dcc80987e	950	* @brief Returns Device IN EP Interrupt register
mbed_official	610:813dcc80987e	951	* @param USBx: Selected device
mbed_official	610:813dcc80987e	952	* @param epnum: endpoint number
mbed_official	610:813dcc80987e	953	* This parameter can be a value from 0 to 15
mbed_official	610:813dcc80987e	954	* @retval Device IN EP Interrupt register
mbed_official	610:813dcc80987e	955	*/
mbed_official	610:813dcc80987e	956	uint32_t USB_ReadDevInEPInterrupt (USB_OTG_GlobalTypeDef *USBx , uint8_t epnum)
mbed_official	610:813dcc80987e	957	{
mbed_official	610:813dcc80987e	958	uint32_t v, msk, emp;
mbed_official	610:813dcc80987e	959
mbed_official	610:813dcc80987e	960	msk = USBx_DEVICE->DIEPMSK;
mbed_official	610:813dcc80987e	961	emp = USBx_DEVICE->DIEPEMPMSK;
mbed_official	610:813dcc80987e	962	msk \|= ((emp >> epnum) & 0x1) << 7;
mbed_official	610:813dcc80987e	963	v = USBx_INEP(epnum)->DIEPINT & msk;
mbed_official	610:813dcc80987e	964	return v;
mbed_official	610:813dcc80987e	965	}
mbed_official	610:813dcc80987e	966
mbed_official	610:813dcc80987e	967	/**
mbed_official	610:813dcc80987e	968	* @brief USB_ClearInterrupts: clear a USB interrupt
mbed_official	610:813dcc80987e	969	* @param USBx: Selected device
mbed_official	610:813dcc80987e	970	* @param interrupt: interrupt flag
mbed_official	610:813dcc80987e	971	* @retval None
mbed_official	610:813dcc80987e	972	*/
mbed_official	610:813dcc80987e	973	void USB_ClearInterrupts (USB_OTG_GlobalTypeDef *USBx, uint32_t interrupt)
mbed_official	610:813dcc80987e	974	{
mbed_official	610:813dcc80987e	975	USBx->GINTSTS \|= interrupt;
mbed_official	610:813dcc80987e	976	}
mbed_official	610:813dcc80987e	977
mbed_official	610:813dcc80987e	978	/**
mbed_official	610:813dcc80987e	979	* @brief Returns USB core mode
mbed_official	610:813dcc80987e	980	* @param USBx: Selected device
mbed_official	610:813dcc80987e	981	* @retval return core mode : Host or Device
mbed_official	610:813dcc80987e	982	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	983	* 0 : Host
mbed_official	610:813dcc80987e	984	* 1 : Device
mbed_official	610:813dcc80987e	985	*/
mbed_official	610:813dcc80987e	986	uint32_t USB_GetMode(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	987	{
mbed_official	610:813dcc80987e	988	return ((USBx->GINTSTS ) & 0x1);
mbed_official	610:813dcc80987e	989	}
mbed_official	610:813dcc80987e	990
mbed_official	610:813dcc80987e	991
mbed_official	610:813dcc80987e	992	/**
mbed_official	610:813dcc80987e	993	* @brief Activate EP0 for Setup transactions
mbed_official	610:813dcc80987e	994	* @param USBx: Selected device
mbed_official	610:813dcc80987e	995	* @retval HAL status
mbed_official	610:813dcc80987e	996	*/
mbed_official	610:813dcc80987e	997	HAL_StatusTypeDef USB_ActivateSetup (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	998	{
mbed_official	610:813dcc80987e	999	/* Set the MPS of the IN EP based on the enumeration speed */
mbed_official	610:813dcc80987e	1000	USBx_INEP(0)->DIEPCTL &= ~USB_OTG_DIEPCTL_MPSIZ;
mbed_official	610:813dcc80987e	1001
mbed_official	610:813dcc80987e	1002	if((USBx_DEVICE->DSTS & USB_OTG_DSTS_ENUMSPD) == DSTS_ENUMSPD_LS_PHY_6MHZ)
mbed_official	610:813dcc80987e	1003	{
mbed_official	610:813dcc80987e	1004	USBx_INEP(0)->DIEPCTL \|= 3;
mbed_official	610:813dcc80987e	1005	}
mbed_official	610:813dcc80987e	1006	USBx_DEVICE->DCTL \|= USB_OTG_DCTL_CGINAK;
mbed_official	610:813dcc80987e	1007
mbed_official	610:813dcc80987e	1008	return HAL_OK;
mbed_official	610:813dcc80987e	1009	}
mbed_official	610:813dcc80987e	1010
mbed_official	610:813dcc80987e	1011
mbed_official	610:813dcc80987e	1012	/**
mbed_official	610:813dcc80987e	1013	* @brief Prepare the EP0 to start the first control setup
mbed_official	610:813dcc80987e	1014	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1015	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	1016	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1017	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	1018	* 1 : DMA feature used
mbed_official	610:813dcc80987e	1019	* @param psetup: pointer to setup packet
mbed_official	610:813dcc80987e	1020	* @retval HAL status
mbed_official	610:813dcc80987e	1021	*/
mbed_official	610:813dcc80987e	1022	HAL_StatusTypeDef USB_EP0_OutStart(USB_OTG_GlobalTypeDef USBx, uint8_t dma, uint8_t psetup)
mbed_official	610:813dcc80987e	1023	{
mbed_official	610:813dcc80987e	1024	USBx_OUTEP(0)->DOEPTSIZ = 0;
mbed_official	610:813dcc80987e	1025	USBx_OUTEP(0)->DOEPTSIZ \|= (USB_OTG_DOEPTSIZ_PKTCNT & (1 << 19)) ;
mbed_official	610:813dcc80987e	1026	USBx_OUTEP(0)->DOEPTSIZ \|= (3 * 8);
mbed_official	610:813dcc80987e	1027	USBx_OUTEP(0)->DOEPTSIZ \|= USB_OTG_DOEPTSIZ_STUPCNT;
mbed_official	610:813dcc80987e	1028
mbed_official	610:813dcc80987e	1029	if (dma == 1)
mbed_official	610:813dcc80987e	1030	{
mbed_official	610:813dcc80987e	1031	USBx_OUTEP(0)->DOEPDMA = (uint32_t)psetup;
mbed_official	610:813dcc80987e	1032	/* EP enable */
mbed_official	610:813dcc80987e	1033	USBx_OUTEP(0)->DOEPCTL = 0x80008000;
mbed_official	610:813dcc80987e	1034	}
mbed_official	610:813dcc80987e	1035
mbed_official	610:813dcc80987e	1036	return HAL_OK;
mbed_official	610:813dcc80987e	1037	}
mbed_official	610:813dcc80987e	1038
mbed_official	610:813dcc80987e	1039
mbed_official	610:813dcc80987e	1040	/**
mbed_official	610:813dcc80987e	1041	* @brief Reset the USB Core (needed after USB clock settings change)
mbed_official	610:813dcc80987e	1042	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1043	* @retval HAL status
mbed_official	610:813dcc80987e	1044	*/
mbed_official	610:813dcc80987e	1045	static HAL_StatusTypeDef USB_CoreReset(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1046	{
mbed_official	610:813dcc80987e	1047	uint32_t count = 0;
mbed_official	610:813dcc80987e	1048
mbed_official	610:813dcc80987e	1049	/* Wait for AHB master IDLE state. */
mbed_official	610:813dcc80987e	1050	do
mbed_official	610:813dcc80987e	1051	{
mbed_official	610:813dcc80987e	1052	if (++count > 200000)
mbed_official	610:813dcc80987e	1053	{
mbed_official	610:813dcc80987e	1054	return HAL_TIMEOUT;
mbed_official	610:813dcc80987e	1055	}
mbed_official	610:813dcc80987e	1056	}
mbed_official	610:813dcc80987e	1057	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_AHBIDL) == 0);
mbed_official	610:813dcc80987e	1058
mbed_official	610:813dcc80987e	1059	/* Core Soft Reset */
mbed_official	610:813dcc80987e	1060	count = 0;
mbed_official	610:813dcc80987e	1061	USBx->GRSTCTL \|= USB_OTG_GRSTCTL_CSRST;
mbed_official	610:813dcc80987e	1062
mbed_official	610:813dcc80987e	1063	do
mbed_official	610:813dcc80987e	1064	{
mbed_official	610:813dcc80987e	1065	if (++count > 200000)
mbed_official	610:813dcc80987e	1066	{
mbed_official	610:813dcc80987e	1067	return HAL_TIMEOUT;
mbed_official	610:813dcc80987e	1068	}
mbed_official	610:813dcc80987e	1069	}
mbed_official	610:813dcc80987e	1070	while ((USBx->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
mbed_official	610:813dcc80987e	1071
mbed_official	610:813dcc80987e	1072	return HAL_OK;
mbed_official	610:813dcc80987e	1073	}
mbed_official	610:813dcc80987e	1074
mbed_official	610:813dcc80987e	1075
mbed_official	610:813dcc80987e	1076	/**
mbed_official	610:813dcc80987e	1077	* @brief USB_HostInit : Initializes the USB OTG controller registers
mbed_official	610:813dcc80987e	1078	* for Host mode
mbed_official	610:813dcc80987e	1079	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1080	* @param cfg: pointer to a USB_OTG_CfgTypeDef structure that contains
mbed_official	610:813dcc80987e	1081	* the configuration information for the specified USBx peripheral.
mbed_official	610:813dcc80987e	1082	* @retval HAL status
mbed_official	610:813dcc80987e	1083	*/
mbed_official	610:813dcc80987e	1084	HAL_StatusTypeDef USB_HostInit (USB_OTG_GlobalTypeDef *USBx, USB_OTG_CfgTypeDef cfg)
mbed_official	610:813dcc80987e	1085	{
mbed_official	610:813dcc80987e	1086	uint32_t i;
mbed_official	610:813dcc80987e	1087
mbed_official	610:813dcc80987e	1088	/* Restart the Phy Clock */
mbed_official	610:813dcc80987e	1089	USBx_PCGCCTL = 0;
mbed_official	610:813dcc80987e	1090
mbed_official	610:813dcc80987e	1091	/Activate VBUS Sensing B /
mbed_official	610:813dcc80987e	1092	USBx->GCCFG \|= USB_OTG_GCCFG_VBDEN;
mbed_official	610:813dcc80987e	1093
mbed_official	610:813dcc80987e	1094	/* Disable the FS/LS support mode only */
mbed_official	610:813dcc80987e	1095	if((cfg.speed == USB_OTG_SPEED_FULL)&&
mbed_official	610:813dcc80987e	1096	(USBx != USB_OTG_FS))
mbed_official	610:813dcc80987e	1097	{
mbed_official	610:813dcc80987e	1098	USBx_HOST->HCFG \|= USB_OTG_HCFG_FSLSS;
mbed_official	610:813dcc80987e	1099	}
mbed_official	610:813dcc80987e	1100	else
mbed_official	610:813dcc80987e	1101	{
mbed_official	610:813dcc80987e	1102	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSS);
mbed_official	610:813dcc80987e	1103	}
mbed_official	610:813dcc80987e	1104
mbed_official	610:813dcc80987e	1105	/* Make sure the FIFOs are flushed. */
mbed_official	610:813dcc80987e	1106	USB_FlushTxFifo(USBx, 0x10 ); /* all Tx FIFOs */
mbed_official	610:813dcc80987e	1107	USB_FlushRxFifo(USBx);
mbed_official	610:813dcc80987e	1108
mbed_official	610:813dcc80987e	1109	/* Clear all pending HC Interrupts */
mbed_official	610:813dcc80987e	1110	for (i = 0; i < cfg.Host_channels; i++)
mbed_official	610:813dcc80987e	1111	{
mbed_official	610:813dcc80987e	1112	USBx_HC(i)->HCINT = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	1113	USBx_HC(i)->HCINTMSK = 0;
mbed_official	610:813dcc80987e	1114	}
mbed_official	610:813dcc80987e	1115
mbed_official	610:813dcc80987e	1116	/* Enable VBUS driving */
mbed_official	610:813dcc80987e	1117	USB_DriveVbus(USBx, 1);
mbed_official	610:813dcc80987e	1118
mbed_official	610:813dcc80987e	1119	HAL_Delay(200);
mbed_official	610:813dcc80987e	1120
mbed_official	610:813dcc80987e	1121	/* Disable all interrupts. */
mbed_official	610:813dcc80987e	1122	USBx->GINTMSK = 0;
mbed_official	610:813dcc80987e	1123
mbed_official	610:813dcc80987e	1124	/* Clear any pending interrupts */
mbed_official	610:813dcc80987e	1125	USBx->GINTSTS = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	1126
mbed_official	610:813dcc80987e	1127	/* set Rx FIFO size */
mbed_official	610:813dcc80987e	1128	USBx->GRXFSIZ = (uint32_t )0x80;
mbed_official	610:813dcc80987e	1129	USBx->DIEPTXF0_HNPTXFSIZ = (uint32_t )(((0x60 << 16)& USB_OTG_NPTXFD) \| 0x80);
mbed_official	610:813dcc80987e	1130	USBx->HPTXFSIZ = (uint32_t )(((0x40 << 16)& USB_OTG_HPTXFSIZ_PTXFD) \| 0xE0);
mbed_official	610:813dcc80987e	1131
mbed_official	610:813dcc80987e	1132	/* Enable the common interrupts */
mbed_official	610:813dcc80987e	1133	if (cfg.dma_enable == DISABLE)
mbed_official	610:813dcc80987e	1134	{
mbed_official	610:813dcc80987e	1135	USBx->GINTMSK \|= USB_OTG_GINTMSK_RXFLVLM;
mbed_official	610:813dcc80987e	1136	}
mbed_official	610:813dcc80987e	1137
mbed_official	610:813dcc80987e	1138	/* Enable interrupts matching to the Host mode ONLY */
mbed_official	610:813dcc80987e	1139	USBx->GINTMSK \|= (USB_OTG_GINTMSK_PRTIM \| USB_OTG_GINTMSK_HCIM \|\
mbed_official	610:813dcc80987e	1140	USB_OTG_GINTMSK_SOFM \|USB_OTG_GINTSTS_DISCINT\|\
mbed_official	610:813dcc80987e	1141	USB_OTG_GINTMSK_PXFRM_IISOOXFRM \| USB_OTG_GINTMSK_WUIM);
mbed_official	610:813dcc80987e	1142
mbed_official	610:813dcc80987e	1143	return HAL_OK;
mbed_official	610:813dcc80987e	1144	}
mbed_official	610:813dcc80987e	1145
mbed_official	610:813dcc80987e	1146	/**
mbed_official	610:813dcc80987e	1147	* @brief USB_InitFSLSPClkSel : Initializes the FSLSPClkSel field of the
mbed_official	610:813dcc80987e	1148	* HCFG register on the PHY type and set the right frame interval
mbed_official	610:813dcc80987e	1149	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1150	* @param freq: clock frequency
mbed_official	610:813dcc80987e	1151	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1152	* HCFG_48_MHZ : Full Speed 48 MHz Clock
mbed_official	610:813dcc80987e	1153	* HCFG_6_MHZ : Low Speed 6 MHz Clock
mbed_official	610:813dcc80987e	1154	* @retval HAL status
mbed_official	610:813dcc80987e	1155	*/
mbed_official	610:813dcc80987e	1156	HAL_StatusTypeDef USB_InitFSLSPClkSel(USB_OTG_GlobalTypeDef *USBx , uint8_t freq)
mbed_official	610:813dcc80987e	1157	{
mbed_official	610:813dcc80987e	1158	USBx_HOST->HCFG &= ~(USB_OTG_HCFG_FSLSPCS);
mbed_official	610:813dcc80987e	1159	USBx_HOST->HCFG \|= (freq & USB_OTG_HCFG_FSLSPCS);
mbed_official	610:813dcc80987e	1160
mbed_official	610:813dcc80987e	1161	if (freq == HCFG_48_MHZ)
mbed_official	610:813dcc80987e	1162	{
mbed_official	610:813dcc80987e	1163	USBx_HOST->HFIR = (uint32_t)48000;
mbed_official	610:813dcc80987e	1164	}
mbed_official	610:813dcc80987e	1165	else if (freq == HCFG_6_MHZ)
mbed_official	610:813dcc80987e	1166	{
mbed_official	610:813dcc80987e	1167	USBx_HOST->HFIR = (uint32_t)6000;
mbed_official	610:813dcc80987e	1168	}
mbed_official	610:813dcc80987e	1169	return HAL_OK;
mbed_official	610:813dcc80987e	1170	}
mbed_official	610:813dcc80987e	1171
mbed_official	610:813dcc80987e	1172	/**
mbed_official	610:813dcc80987e	1173	* @brief USB_OTG_ResetPort : Reset Host Port
mbed_official	610:813dcc80987e	1174	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1175	* @retval HAL status
mbed_official	610:813dcc80987e	1176	* @note (1)The application must wait at least 10 ms
mbed_official	610:813dcc80987e	1177	* before clearing the reset bit.
mbed_official	610:813dcc80987e	1178	*/
mbed_official	610:813dcc80987e	1179	HAL_StatusTypeDef USB_ResetPort(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1180	{
mbed_official	610:813dcc80987e	1181	__IO uint32_t hprt0;
mbed_official	610:813dcc80987e	1182
mbed_official	610:813dcc80987e	1183	hprt0 = USBx_HPRT0;
mbed_official	610:813dcc80987e	1184
mbed_official	610:813dcc80987e	1185	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
mbed_official	610:813dcc80987e	1186	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
mbed_official	610:813dcc80987e	1187
mbed_official	610:813dcc80987e	1188	USBx_HPRT0 = (USB_OTG_HPRT_PRST \| hprt0);
mbed_official	610:813dcc80987e	1189	HAL_Delay (10); /* See Note #1 */
mbed_official	610:813dcc80987e	1190	USBx_HPRT0 = ((~USB_OTG_HPRT_PRST) & hprt0);
mbed_official	610:813dcc80987e	1191	return HAL_OK;
mbed_official	610:813dcc80987e	1192	}
mbed_official	610:813dcc80987e	1193
mbed_official	610:813dcc80987e	1194	/**
mbed_official	610:813dcc80987e	1195	* @brief USB_DriveVbus : activate or de-activate vbus
mbed_official	610:813dcc80987e	1196	* @param state: VBUS state
mbed_official	610:813dcc80987e	1197	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1198	* 0 : VBUS Active
mbed_official	610:813dcc80987e	1199	* 1 : VBUS Inactive
mbed_official	610:813dcc80987e	1200	* @retval HAL status
mbed_official	610:813dcc80987e	1201	*/
mbed_official	610:813dcc80987e	1202	HAL_StatusTypeDef USB_DriveVbus (USB_OTG_GlobalTypeDef *USBx, uint8_t state)
mbed_official	610:813dcc80987e	1203	{
mbed_official	610:813dcc80987e	1204	__IO uint32_t hprt0;
mbed_official	610:813dcc80987e	1205
mbed_official	610:813dcc80987e	1206	hprt0 = USBx_HPRT0;
mbed_official	610:813dcc80987e	1207	hprt0 &= ~(USB_OTG_HPRT_PENA \| USB_OTG_HPRT_PCDET \|\
mbed_official	610:813dcc80987e	1208	USB_OTG_HPRT_PENCHNG \| USB_OTG_HPRT_POCCHNG );
mbed_official	610:813dcc80987e	1209
mbed_official	610:813dcc80987e	1210	if (((hprt0 & USB_OTG_HPRT_PPWR) == 0 ) && (state == 1 ))
mbed_official	610:813dcc80987e	1211	{
mbed_official	610:813dcc80987e	1212	USBx_HPRT0 = (USB_OTG_HPRT_PPWR \| hprt0);
mbed_official	610:813dcc80987e	1213	}
mbed_official	610:813dcc80987e	1214	if (((hprt0 & USB_OTG_HPRT_PPWR) == USB_OTG_HPRT_PPWR) && (state == 0 ))
mbed_official	610:813dcc80987e	1215	{
mbed_official	610:813dcc80987e	1216	USBx_HPRT0 = ((~USB_OTG_HPRT_PPWR) & hprt0);
mbed_official	610:813dcc80987e	1217	}
mbed_official	610:813dcc80987e	1218	return HAL_OK;
mbed_official	610:813dcc80987e	1219	}
mbed_official	610:813dcc80987e	1220
mbed_official	610:813dcc80987e	1221	/**
mbed_official	610:813dcc80987e	1222	* @brief Return Host Core speed
mbed_official	610:813dcc80987e	1223	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1224	* @retval speed : Host speed
mbed_official	610:813dcc80987e	1225	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1226	* @arg USB_OTG_SPEED_HIGH: High speed mode
mbed_official	610:813dcc80987e	1227	* @arg USB_OTG_SPEED_FULL: Full speed mode
mbed_official	610:813dcc80987e	1228	* @arg USB_OTG_SPEED_LOW: Low speed mode
mbed_official	610:813dcc80987e	1229	*/
mbed_official	610:813dcc80987e	1230	uint32_t USB_GetHostSpeed (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1231	{
mbed_official	610:813dcc80987e	1232	__IO uint32_t hprt0;
mbed_official	610:813dcc80987e	1233
mbed_official	610:813dcc80987e	1234	hprt0 = USBx_HPRT0;
mbed_official	610:813dcc80987e	1235	return ((hprt0 & USB_OTG_HPRT_PSPD) >> 17);
mbed_official	610:813dcc80987e	1236	}
mbed_official	610:813dcc80987e	1237
mbed_official	610:813dcc80987e	1238	/**
mbed_official	610:813dcc80987e	1239	* @brief Return Host Current Frame number
mbed_official	610:813dcc80987e	1240	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1241	* @retval current frame number
mbed_official	610:813dcc80987e	1242	*/
mbed_official	610:813dcc80987e	1243	uint32_t USB_GetCurrentFrame (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1244	{
mbed_official	610:813dcc80987e	1245	return (USBx_HOST->HFNUM & USB_OTG_HFNUM_FRNUM);
mbed_official	610:813dcc80987e	1246	}
mbed_official	610:813dcc80987e	1247
mbed_official	610:813dcc80987e	1248	/**
mbed_official	610:813dcc80987e	1249	* @brief Initialize a host channel
mbed_official	610:813dcc80987e	1250	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1251	* @param ch_num : Channel number
mbed_official	610:813dcc80987e	1252	* This parameter can be a value from 1 to 15
mbed_official	610:813dcc80987e	1253	* @param epnum: Endpoint number
mbed_official	610:813dcc80987e	1254	* This parameter can be a value from 1 to 15
mbed_official	610:813dcc80987e	1255	* @param dev_address: Current device address
mbed_official	610:813dcc80987e	1256	* This parameter can be a value from 0 to 255
mbed_official	610:813dcc80987e	1257	* @param speed: Current device speed
mbed_official	610:813dcc80987e	1258	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1259	* @arg USB_OTG_SPEED_HIGH: High speed mode
mbed_official	610:813dcc80987e	1260	* @arg USB_OTG_SPEED_FULL: Full speed mode
mbed_official	610:813dcc80987e	1261	* @arg USB_OTG_SPEED_LOW: Low speed mode
mbed_official	610:813dcc80987e	1262	* @param ep_type: Endpoint Type
mbed_official	610:813dcc80987e	1263	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1264	* @arg EP_TYPE_CTRL: Control type
mbed_official	610:813dcc80987e	1265	* @arg EP_TYPE_ISOC: Isochronous type
mbed_official	610:813dcc80987e	1266	* @arg EP_TYPE_BULK: Bulk type
mbed_official	610:813dcc80987e	1267	* @arg EP_TYPE_INTR: Interrupt type
mbed_official	610:813dcc80987e	1268	* @param mps: Max Packet Size
mbed_official	610:813dcc80987e	1269	* This parameter can be a value from 0 to32K
mbed_official	610:813dcc80987e	1270	* @retval HAL state
mbed_official	610:813dcc80987e	1271	*/
mbed_official	610:813dcc80987e	1272	HAL_StatusTypeDef USB_HC_Init(USB_OTG_GlobalTypeDef *USBx,
mbed_official	610:813dcc80987e	1273	uint8_t ch_num,
mbed_official	610:813dcc80987e	1274	uint8_t epnum,
mbed_official	610:813dcc80987e	1275	uint8_t dev_address,
mbed_official	610:813dcc80987e	1276	uint8_t speed,
mbed_official	610:813dcc80987e	1277	uint8_t ep_type,
mbed_official	610:813dcc80987e	1278	uint16_t mps)
mbed_official	610:813dcc80987e	1279	{
mbed_official	610:813dcc80987e	1280
mbed_official	610:813dcc80987e	1281	/* Clear old interrupt conditions for this host channel. */
mbed_official	610:813dcc80987e	1282	USBx_HC(ch_num)->HCINT = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	1283
mbed_official	610:813dcc80987e	1284	/* Enable channel interrupts required for this transfer. */
mbed_official	610:813dcc80987e	1285	switch (ep_type)
mbed_official	610:813dcc80987e	1286	{
mbed_official	610:813dcc80987e	1287	case EP_TYPE_CTRL:
mbed_official	610:813dcc80987e	1288	case EP_TYPE_BULK:
mbed_official	610:813dcc80987e	1289
mbed_official	610:813dcc80987e	1290	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
mbed_official	610:813dcc80987e	1291	USB_OTG_HCINTMSK_STALLM \|\
mbed_official	610:813dcc80987e	1292	USB_OTG_HCINTMSK_TXERRM \|\
mbed_official	610:813dcc80987e	1293	USB_OTG_HCINTMSK_DTERRM \|\
mbed_official	610:813dcc80987e	1294	USB_OTG_HCINTMSK_AHBERR \|\
mbed_official	610:813dcc80987e	1295	USB_OTG_HCINTMSK_NAKM ;
mbed_official	610:813dcc80987e	1296
mbed_official	610:813dcc80987e	1297	if (epnum & 0x80)
mbed_official	610:813dcc80987e	1298	{
mbed_official	610:813dcc80987e	1299	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
mbed_official	610:813dcc80987e	1300	}
mbed_official	610:813dcc80987e	1301	break;
mbed_official	610:813dcc80987e	1302
mbed_official	610:813dcc80987e	1303	case EP_TYPE_INTR:
mbed_official	610:813dcc80987e	1304
mbed_official	610:813dcc80987e	1305	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
mbed_official	610:813dcc80987e	1306	USB_OTG_HCINTMSK_STALLM \|\
mbed_official	610:813dcc80987e	1307	USB_OTG_HCINTMSK_TXERRM \|\
mbed_official	610:813dcc80987e	1308	USB_OTG_HCINTMSK_DTERRM \|\
mbed_official	610:813dcc80987e	1309	USB_OTG_HCINTMSK_NAKM \|\
mbed_official	610:813dcc80987e	1310	USB_OTG_HCINTMSK_AHBERR \|\
mbed_official	610:813dcc80987e	1311	USB_OTG_HCINTMSK_FRMORM ;
mbed_official	610:813dcc80987e	1312
mbed_official	610:813dcc80987e	1313	if (epnum & 0x80)
mbed_official	610:813dcc80987e	1314	{
mbed_official	610:813dcc80987e	1315	USBx_HC(ch_num)->HCINTMSK \|= USB_OTG_HCINTMSK_BBERRM;
mbed_official	610:813dcc80987e	1316	}
mbed_official	610:813dcc80987e	1317
mbed_official	610:813dcc80987e	1318	break;
mbed_official	610:813dcc80987e	1319	case EP_TYPE_ISOC:
mbed_official	610:813dcc80987e	1320
mbed_official	610:813dcc80987e	1321	USBx_HC(ch_num)->HCINTMSK = USB_OTG_HCINTMSK_XFRCM \|\
mbed_official	610:813dcc80987e	1322	USB_OTG_HCINTMSK_ACKM \|\
mbed_official	610:813dcc80987e	1323	USB_OTG_HCINTMSK_AHBERR \|\
mbed_official	610:813dcc80987e	1324	USB_OTG_HCINTMSK_FRMORM ;
mbed_official	610:813dcc80987e	1325
mbed_official	610:813dcc80987e	1326	if (epnum & 0x80)
mbed_official	610:813dcc80987e	1327	{
mbed_official	610:813dcc80987e	1328	USBx_HC(ch_num)->HCINTMSK \|= (USB_OTG_HCINTMSK_TXERRM \| USB_OTG_HCINTMSK_BBERRM);
mbed_official	610:813dcc80987e	1329	}
mbed_official	610:813dcc80987e	1330	break;
mbed_official	610:813dcc80987e	1331	}
mbed_official	610:813dcc80987e	1332
mbed_official	610:813dcc80987e	1333	/* Enable the top level host channel interrupt. */
mbed_official	610:813dcc80987e	1334	USBx_HOST->HAINTMSK \|= (1 << ch_num);
mbed_official	610:813dcc80987e	1335
mbed_official	610:813dcc80987e	1336	/* Make sure host channel interrupts are enabled. */
mbed_official	610:813dcc80987e	1337	USBx->GINTMSK \|= USB_OTG_GINTMSK_HCIM;
mbed_official	610:813dcc80987e	1338
mbed_official	610:813dcc80987e	1339	/* Program the HCCHAR register */
mbed_official	610:813dcc80987e	1340	USBx_HC(ch_num)->HCCHAR = (((dev_address << 22) & USB_OTG_HCCHAR_DAD) \|\
mbed_official	610:813dcc80987e	1341	(((epnum & 0x7F)<< 11) & USB_OTG_HCCHAR_EPNUM)\|\
mbed_official	610:813dcc80987e	1342	((((epnum & 0x80) == 0x80)<< 15) & USB_OTG_HCCHAR_EPDIR)\|\
mbed_official	610:813dcc80987e	1343	(((speed == HPRT0_PRTSPD_LOW_SPEED)<< 17) & USB_OTG_HCCHAR_LSDEV)\|\
mbed_official	610:813dcc80987e	1344	((ep_type << 18) & USB_OTG_HCCHAR_EPTYP)\|\
mbed_official	610:813dcc80987e	1345	(mps & USB_OTG_HCCHAR_MPSIZ));
mbed_official	610:813dcc80987e	1346
mbed_official	610:813dcc80987e	1347	if (ep_type == EP_TYPE_INTR)
mbed_official	610:813dcc80987e	1348	{
mbed_official	610:813dcc80987e	1349	USBx_HC(ch_num)->HCCHAR \|= USB_OTG_HCCHAR_ODDFRM ;
mbed_official	610:813dcc80987e	1350	}
mbed_official	610:813dcc80987e	1351
mbed_official	610:813dcc80987e	1352	return HAL_OK;
mbed_official	610:813dcc80987e	1353	}
mbed_official	610:813dcc80987e	1354
mbed_official	610:813dcc80987e	1355	/**
mbed_official	610:813dcc80987e	1356	* @brief Start a transfer over a host channel
mbed_official	610:813dcc80987e	1357	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1358	* @param hc: pointer to host channel structure
mbed_official	610:813dcc80987e	1359	* @param dma: USB dma enabled or disabled
mbed_official	610:813dcc80987e	1360	* This parameter can be one of these values:
mbed_official	610:813dcc80987e	1361	* 0 : DMA feature not used
mbed_official	610:813dcc80987e	1362	* 1 : DMA feature used
mbed_official	610:813dcc80987e	1363	* @retval HAL state
mbed_official	610:813dcc80987e	1364	*/
mbed_official	610:813dcc80987e	1365	#if defined (__CC_ARM) /!< ARM Compiler /
mbed_official	610:813dcc80987e	1366	#pragma O0
mbed_official	610:813dcc80987e	1367	#elif defined (__GNUC__) /!< GNU Compiler /
mbed_official	610:813dcc80987e	1368	#pragma GCC optimize ("O0")
mbed_official	610:813dcc80987e	1369	#endif /* __CC_ARM */
mbed_official	610:813dcc80987e	1370	HAL_StatusTypeDef USB_HC_StartXfer(USB_OTG_GlobalTypeDef USBx, USB_OTG_HCTypeDef hc, uint8_t dma)
mbed_official	610:813dcc80987e	1371	{
mbed_official	610:813dcc80987e	1372	uint8_t is_oddframe = 0;
mbed_official	610:813dcc80987e	1373	uint16_t len_words = 0;
mbed_official	610:813dcc80987e	1374	uint16_t num_packets = 0;
mbed_official	610:813dcc80987e	1375	uint16_t max_hc_pkt_count = 256;
mbed_official	610:813dcc80987e	1376	uint32_t tmpreg = 0;
mbed_official	610:813dcc80987e	1377
mbed_official	610:813dcc80987e	1378	/* Compute the expected number of packets associated to the transfer */
mbed_official	610:813dcc80987e	1379	if (hc->xfer_len > 0)
mbed_official	610:813dcc80987e	1380	{
mbed_official	610:813dcc80987e	1381	num_packets = (hc->xfer_len + hc->max_packet - 1) / hc->max_packet;
mbed_official	610:813dcc80987e	1382
mbed_official	610:813dcc80987e	1383	if (num_packets > max_hc_pkt_count)
mbed_official	610:813dcc80987e	1384	{
mbed_official	610:813dcc80987e	1385	num_packets = max_hc_pkt_count;
mbed_official	610:813dcc80987e	1386	hc->xfer_len = num_packets * hc->max_packet;
mbed_official	610:813dcc80987e	1387	}
mbed_official	610:813dcc80987e	1388	}
mbed_official	610:813dcc80987e	1389	else
mbed_official	610:813dcc80987e	1390	{
mbed_official	610:813dcc80987e	1391	num_packets = 1;
mbed_official	610:813dcc80987e	1392	}
mbed_official	610:813dcc80987e	1393	if (hc->ep_is_in)
mbed_official	610:813dcc80987e	1394	{
mbed_official	610:813dcc80987e	1395	hc->xfer_len = num_packets * hc->max_packet;
mbed_official	610:813dcc80987e	1396	}
mbed_official	610:813dcc80987e	1397
mbed_official	610:813dcc80987e	1398	/* Initialize the HCTSIZn register */
mbed_official	610:813dcc80987e	1399	USBx_HC(hc->ch_num)->HCTSIZ = (((hc->xfer_len) & USB_OTG_HCTSIZ_XFRSIZ)) \|\
mbed_official	610:813dcc80987e	1400	((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) \|\
mbed_official	610:813dcc80987e	1401	(((hc->data_pid) << 29) & USB_OTG_HCTSIZ_DPID);
mbed_official	610:813dcc80987e	1402
mbed_official	610:813dcc80987e	1403	if (dma)
mbed_official	610:813dcc80987e	1404	{
mbed_official	610:813dcc80987e	1405	/* xfer_buff MUST be 32-bits aligned */
mbed_official	610:813dcc80987e	1406	USBx_HC(hc->ch_num)->HCDMA = (uint32_t)hc->xfer_buff;
mbed_official	610:813dcc80987e	1407	}
mbed_official	610:813dcc80987e	1408
mbed_official	610:813dcc80987e	1409	is_oddframe = (USBx_HOST->HFNUM & 0x01) ? 0 : 1;
mbed_official	610:813dcc80987e	1410	USBx_HC(hc->ch_num)->HCCHAR &= ~USB_OTG_HCCHAR_ODDFRM;
mbed_official	610:813dcc80987e	1411	USBx_HC(hc->ch_num)->HCCHAR \|= (is_oddframe << 29);
mbed_official	610:813dcc80987e	1412
mbed_official	610:813dcc80987e	1413	/* Set host channel enable */
mbed_official	610:813dcc80987e	1414	tmpreg = USBx_HC(hc->ch_num)->HCCHAR;
mbed_official	610:813dcc80987e	1415	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1416	tmpreg \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1417	USBx_HC(hc->ch_num)->HCCHAR = tmpreg;
mbed_official	610:813dcc80987e	1418
mbed_official	610:813dcc80987e	1419	if (dma == 0) /* Slave mode */
mbed_official	610:813dcc80987e	1420	{
mbed_official	610:813dcc80987e	1421	if((hc->ep_is_in == 0) && (hc->xfer_len > 0))
mbed_official	610:813dcc80987e	1422	{
mbed_official	610:813dcc80987e	1423	switch(hc->ep_type)
mbed_official	610:813dcc80987e	1424	{
mbed_official	610:813dcc80987e	1425	/* Non periodic transfer */
mbed_official	610:813dcc80987e	1426	case EP_TYPE_CTRL:
mbed_official	610:813dcc80987e	1427	case EP_TYPE_BULK:
mbed_official	610:813dcc80987e	1428
mbed_official	610:813dcc80987e	1429	len_words = (hc->xfer_len + 3) / 4;
mbed_official	610:813dcc80987e	1430
mbed_official	610:813dcc80987e	1431	/* check if there is enough space in FIFO space */
mbed_official	610:813dcc80987e	1432	if(len_words > (USBx->HNPTXSTS & 0xFFFF))
mbed_official	610:813dcc80987e	1433	{
mbed_official	610:813dcc80987e	1434	/* need to process data in nptxfempty interrupt */
mbed_official	610:813dcc80987e	1435	USBx->GINTMSK \|= USB_OTG_GINTMSK_NPTXFEM;
mbed_official	610:813dcc80987e	1436	}
mbed_official	610:813dcc80987e	1437	break;
mbed_official	610:813dcc80987e	1438	/* Periodic transfer */
mbed_official	610:813dcc80987e	1439	case EP_TYPE_INTR:
mbed_official	610:813dcc80987e	1440	case EP_TYPE_ISOC:
mbed_official	610:813dcc80987e	1441	len_words = (hc->xfer_len + 3) / 4;
mbed_official	610:813dcc80987e	1442	/* check if there is enough space in FIFO space */
mbed_official	610:813dcc80987e	1443	if(len_words > (USBx_HOST->HPTXSTS & 0xFFFF)) /* split the transfer */
mbed_official	610:813dcc80987e	1444	{
mbed_official	610:813dcc80987e	1445	/* need to process data in ptxfempty interrupt */
mbed_official	610:813dcc80987e	1446	USBx->GINTMSK \|= USB_OTG_GINTMSK_PTXFEM;
mbed_official	610:813dcc80987e	1447	}
mbed_official	610:813dcc80987e	1448	break;
mbed_official	610:813dcc80987e	1449
mbed_official	610:813dcc80987e	1450	default:
mbed_official	610:813dcc80987e	1451	break;
mbed_official	610:813dcc80987e	1452	}
mbed_official	610:813dcc80987e	1453
mbed_official	610:813dcc80987e	1454	/* Write packet into the Tx FIFO. */
mbed_official	610:813dcc80987e	1455	USB_WritePacket(USBx, hc->xfer_buff, hc->ch_num, hc->xfer_len, 0);
mbed_official	610:813dcc80987e	1456	}
mbed_official	610:813dcc80987e	1457	}
mbed_official	610:813dcc80987e	1458
mbed_official	610:813dcc80987e	1459	return HAL_OK;
mbed_official	610:813dcc80987e	1460	}
mbed_official	610:813dcc80987e	1461
mbed_official	610:813dcc80987e	1462	/**
mbed_official	610:813dcc80987e	1463	* @brief Read all host channel interrupts status
mbed_official	610:813dcc80987e	1464	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1465	* @retval HAL state
mbed_official	610:813dcc80987e	1466	*/
mbed_official	610:813dcc80987e	1467	uint32_t USB_HC_ReadInterrupt (USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1468	{
mbed_official	610:813dcc80987e	1469	return ((USBx_HOST->HAINT) & 0xFFFF);
mbed_official	610:813dcc80987e	1470	}
mbed_official	610:813dcc80987e	1471
mbed_official	610:813dcc80987e	1472	/**
mbed_official	610:813dcc80987e	1473	* @brief Halt a host channel
mbed_official	610:813dcc80987e	1474	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1475	* @param hc_num: Host Channel number
mbed_official	610:813dcc80987e	1476	* This parameter can be a value from 1 to 15
mbed_official	610:813dcc80987e	1477	* @retval HAL state
mbed_official	610:813dcc80987e	1478	*/
mbed_official	610:813dcc80987e	1479	HAL_StatusTypeDef USB_HC_Halt(USB_OTG_GlobalTypeDef *USBx , uint8_t hc_num)
mbed_official	610:813dcc80987e	1480	{
mbed_official	610:813dcc80987e	1481	uint32_t count = 0;
mbed_official	610:813dcc80987e	1482
mbed_official	610:813dcc80987e	1483	/* Check for space in the request queue to issue the halt. */
mbed_official	610:813dcc80987e	1484	if (((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_CTRL << 18)) \|\| ((USBx_HC(hc_num)->HCCHAR) & (HCCHAR_BULK << 18)))
mbed_official	610:813dcc80987e	1485	{
mbed_official	610:813dcc80987e	1486	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1487
mbed_official	610:813dcc80987e	1488	if ((USBx->HNPTXSTS & 0xFFFF) == 0)
mbed_official	610:813dcc80987e	1489	{
mbed_official	610:813dcc80987e	1490	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1491	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1492	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
mbed_official	610:813dcc80987e	1493	do
mbed_official	610:813dcc80987e	1494	{
mbed_official	610:813dcc80987e	1495	if (++count > 1000)
mbed_official	610:813dcc80987e	1496	{
mbed_official	610:813dcc80987e	1497	break;
mbed_official	610:813dcc80987e	1498	}
mbed_official	610:813dcc80987e	1499	}
mbed_official	610:813dcc80987e	1500	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
mbed_official	610:813dcc80987e	1501	}
mbed_official	610:813dcc80987e	1502	else
mbed_official	610:813dcc80987e	1503	{
mbed_official	610:813dcc80987e	1504	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1505	}
mbed_official	610:813dcc80987e	1506	}
mbed_official	610:813dcc80987e	1507	else
mbed_official	610:813dcc80987e	1508	{
mbed_official	610:813dcc80987e	1509	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1510
mbed_official	610:813dcc80987e	1511	if ((USBx_HOST->HPTXSTS & 0xFFFF) == 0)
mbed_official	610:813dcc80987e	1512	{
mbed_official	610:813dcc80987e	1513	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1514	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1515	USBx_HC(hc_num)->HCCHAR &= ~USB_OTG_HCCHAR_EPDIR;
mbed_official	610:813dcc80987e	1516	do
mbed_official	610:813dcc80987e	1517	{
mbed_official	610:813dcc80987e	1518	if (++count > 1000)
mbed_official	610:813dcc80987e	1519	{
mbed_official	610:813dcc80987e	1520	break;
mbed_official	610:813dcc80987e	1521	}
mbed_official	610:813dcc80987e	1522	}
mbed_official	610:813dcc80987e	1523	while ((USBx_HC(hc_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
mbed_official	610:813dcc80987e	1524	}
mbed_official	610:813dcc80987e	1525	else
mbed_official	610:813dcc80987e	1526	{
mbed_official	610:813dcc80987e	1527	USBx_HC(hc_num)->HCCHAR \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1528	}
mbed_official	610:813dcc80987e	1529	}
mbed_official	610:813dcc80987e	1530
mbed_official	610:813dcc80987e	1531	return HAL_OK;
mbed_official	610:813dcc80987e	1532	}
mbed_official	610:813dcc80987e	1533
mbed_official	610:813dcc80987e	1534	/**
mbed_official	610:813dcc80987e	1535	* @brief Initiate Do Ping protocol
mbed_official	610:813dcc80987e	1536	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1537	* @param hc_num: Host Channel number
mbed_official	610:813dcc80987e	1538	* This parameter can be a value from 1 to 15
mbed_official	610:813dcc80987e	1539	* @retval HAL state
mbed_official	610:813dcc80987e	1540	*/
mbed_official	610:813dcc80987e	1541	HAL_StatusTypeDef USB_DoPing(USB_OTG_GlobalTypeDef *USBx , uint8_t ch_num)
mbed_official	610:813dcc80987e	1542	{
mbed_official	610:813dcc80987e	1543	uint8_t num_packets = 1;
mbed_official	610:813dcc80987e	1544	uint32_t tmpreg = 0;
mbed_official	610:813dcc80987e	1545
mbed_official	610:813dcc80987e	1546	USBx_HC(ch_num)->HCTSIZ = ((num_packets << 19) & USB_OTG_HCTSIZ_PKTCNT) \|\
mbed_official	610:813dcc80987e	1547	USB_OTG_HCTSIZ_DOPING;
mbed_official	610:813dcc80987e	1548
mbed_official	610:813dcc80987e	1549	/* Set host channel enable */
mbed_official	610:813dcc80987e	1550	tmpreg = USBx_HC(ch_num)->HCCHAR;
mbed_official	610:813dcc80987e	1551	tmpreg &= ~USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1552	tmpreg \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1553	USBx_HC(ch_num)->HCCHAR = tmpreg;
mbed_official	610:813dcc80987e	1554
mbed_official	610:813dcc80987e	1555	return HAL_OK;
mbed_official	610:813dcc80987e	1556	}
mbed_official	610:813dcc80987e	1557
mbed_official	610:813dcc80987e	1558	/**
mbed_official	610:813dcc80987e	1559	* @brief Stop Host Core
mbed_official	610:813dcc80987e	1560	* @param USBx: Selected device
mbed_official	610:813dcc80987e	1561	* @retval HAL state
mbed_official	610:813dcc80987e	1562	*/
mbed_official	610:813dcc80987e	1563	HAL_StatusTypeDef USB_StopHost(USB_OTG_GlobalTypeDef *USBx)
mbed_official	610:813dcc80987e	1564	{
mbed_official	610:813dcc80987e	1565	uint8_t i;
mbed_official	610:813dcc80987e	1566	uint32_t count = 0;
mbed_official	610:813dcc80987e	1567	uint32_t value;
mbed_official	610:813dcc80987e	1568
mbed_official	610:813dcc80987e	1569	USB_DisableGlobalInt(USBx);
mbed_official	610:813dcc80987e	1570
mbed_official	610:813dcc80987e	1571	/* Flush FIFO */
mbed_official	610:813dcc80987e	1572	USB_FlushTxFifo(USBx, 0x10);
mbed_official	610:813dcc80987e	1573	USB_FlushRxFifo(USBx);
mbed_official	610:813dcc80987e	1574
mbed_official	610:813dcc80987e	1575	/* Flush out any leftover queued requests. */
mbed_official	610:813dcc80987e	1576	for (i = 0; i <= 15; i++)
mbed_official	610:813dcc80987e	1577	{
mbed_official	610:813dcc80987e	1578
mbed_official	610:813dcc80987e	1579	value = USBx_HC(i)->HCCHAR ;
mbed_official	610:813dcc80987e	1580	value \|= USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1581	value &= ~USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1582	value &= ~USB_OTG_HCCHAR_EPDIR;
mbed_official	610:813dcc80987e	1583	USBx_HC(i)->HCCHAR = value;
mbed_official	610:813dcc80987e	1584	}
mbed_official	610:813dcc80987e	1585
mbed_official	610:813dcc80987e	1586	/* Halt all channels to put them into a known state. */
mbed_official	610:813dcc80987e	1587	for (i = 0; i <= 15; i++)
mbed_official	610:813dcc80987e	1588	{
mbed_official	610:813dcc80987e	1589	value = USBx_HC(i)->HCCHAR ;
mbed_official	610:813dcc80987e	1590
mbed_official	610:813dcc80987e	1591	value \|= USB_OTG_HCCHAR_CHDIS;
mbed_official	610:813dcc80987e	1592	value \|= USB_OTG_HCCHAR_CHENA;
mbed_official	610:813dcc80987e	1593	value &= ~USB_OTG_HCCHAR_EPDIR;
mbed_official	610:813dcc80987e	1594
mbed_official	610:813dcc80987e	1595	USBx_HC(i)->HCCHAR = value;
mbed_official	610:813dcc80987e	1596	do
mbed_official	610:813dcc80987e	1597	{
mbed_official	610:813dcc80987e	1598	if (++count > 1000)
mbed_official	610:813dcc80987e	1599	{
mbed_official	610:813dcc80987e	1600	break;
mbed_official	610:813dcc80987e	1601	}
mbed_official	610:813dcc80987e	1602	}
mbed_official	610:813dcc80987e	1603	while ((USBx_HC(i)->HCCHAR & USB_OTG_HCCHAR_CHENA) == USB_OTG_HCCHAR_CHENA);
mbed_official	610:813dcc80987e	1604	}
mbed_official	610:813dcc80987e	1605
mbed_official	610:813dcc80987e	1606	/* Clear any pending Host interrupts */
mbed_official	610:813dcc80987e	1607	USBx_HOST->HAINT = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	1608	USBx->GINTSTS = 0xFFFFFFFF;
mbed_official	610:813dcc80987e	1609	USB_EnableGlobalInt(USBx);
mbed_official	610:813dcc80987e	1610	return HAL_OK;
mbed_official	610:813dcc80987e	1611	}
mbed_official	610:813dcc80987e	1612	/**
mbed_official	610:813dcc80987e	1613	* @}
mbed_official	610:813dcc80987e	1614	*/
mbed_official	610:813dcc80987e	1615
mbed_official	610:813dcc80987e	1616	#endif /* defined (HAL_PCD_MODULE_ENABLED) \|\| defined (HAL_HCD_MODULE_ENABLED) */
mbed_official	610:813dcc80987e	1617
mbed_official	610:813dcc80987e	1618	/**
mbed_official	610:813dcc80987e	1619	* @}
mbed_official	610:813dcc80987e	1620	*/
mbed_official	610:813dcc80987e	1621
mbed_official	610:813dcc80987e	1622	#endif /* STM32L475xx \|\| STM32L476xx \|\| STM32L485xx \|\| STM32L486xx */
mbed_official	610:813dcc80987e	1623
mbed_official	610:813dcc80987e	1624	/********************** (C) COPYRIGHT STMicroelectronics *END OF FILE**/

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Type:	Library
Created:	26 Nov 2015
Imports:	17
Forks:	0
Commits:	638
Dependents:	1
Dependencies:	0
Followers:	1

targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_ll_usb.c@637:ed69428d4850, 2015-12-22 (annotated)

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