2 ******************************************************************************
3 * @file stm32f1xx_hal_hcd.c
4 * @author MCD Application Team
6 * @date 15-December-2014
7 * @brief HCD HAL module driver.
8 * This file provides firmware functions to manage the following
9 * functionalities of the USB Peripheral Controller:
10 * + Initialization and de-initialization functions
11 * + IO operation functions
12 * + Peripheral Control functions
13 * + Peripheral State functions
16 ==============================================================================
17 ##### How to use this driver #####
18 ==============================================================================
20 (#)Declare a HCD_HandleTypeDef handle structure, for example:
21 HCD_HandleTypeDef hhcd;
23 (#)Fill parameters of Init structure in HCD handle
25 (#)Call HAL_HCD_Init() API to initialize the HCD peripheral (Core, Host core, ...)
27 (#)Initialize the HCD low level resources through the HAL_HCD_MspInit() API:
28 (##) Enable the HCD/USB Low Level interface clock using the following macro
29 (+++) __HAL_RCC_USB_OTG_FS_CLK_ENABLE()
31 (##) Initialize the related GPIO clocks
32 (##) Configure HCD pin-out
33 (##) Configure HCD NVIC interrupt
35 (#)Associate the Upper USB Host stack to the HAL HCD Driver:
36 (##) hhcd.pData = phost;
38 (#)Enable HCD transmission and reception:
42 ******************************************************************************
45 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
47 * Redistribution and use in source and binary forms, with or without modification,
48 * are permitted provided that the following conditions are met:
49 * 1. Redistributions of source code must retain the above copyright notice,
50 * this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright notice,
52 * this list of conditions and the following disclaimer in the documentation
53 * and/or other materials provided with the distribution.
54 * 3. Neither the name of STMicroelectronics nor the names of its contributors
55 * may be used to endorse or promote products derived from this software
56 * without specific prior written permission.
58 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
59 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
61 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
64 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
65 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
66 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
67 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 ******************************************************************************
72 /* Includes ------------------------------------------------------------------*/
73 #include "stm32f1xx_hal.h"
74 /** @addtogroup STM32F1xx_HAL_Driver
79 #ifdef HAL_HCD_MODULE_ENABLED
81 #if defined(STM32F105xC) || defined(STM32F107xC)
84 * @brief HCD HAL module driver
88 /* Private types -------------------------------------------------------------*/
89 /* Private variables ---------------------------------------------------------*/
90 /* Private constants ---------------------------------------------------------*/
91 /* Private macros ------------------------------------------------------------*/
92 /* Private function ----------------------------------------------------------*/
93 /** @defgroup HCD_Private_Functions HCD Private Functions
96 static void HCD_HC_IN_IRQHandler(HCD_HandleTypeDef *hhcd, uint8_t chnum);
97 static void HCD_HC_OUT_IRQHandler(HCD_HandleTypeDef *hhcd, uint8_t chnum);
98 static void HCD_RXQLVL_IRQHandler(HCD_HandleTypeDef *hhcd);
99 static void HCD_Port_IRQHandler(HCD_HandleTypeDef *hhcd);
104 /* Exported functions --------------------------------------------------------*/
105 /** @defgroup HCD_Exported_Functions HCD Exported Functions
109 /** @defgroup HCD_Exported_Functions_Group1 Initialization and de-initialization functions
110 * @brief Initialization and Configuration functions
113 ===============================================================================
114 ##### Initialization and de-initialization functions #####
115 ===============================================================================
116 [..] This section provides functions allowing to:
123 * @brief Initialize the host driver
124 * @param hhcd: HCD handle
127 HAL_StatusTypeDef HAL_HCD_Init(HCD_HandleTypeDef *hhcd)
129 /* Check the HCD handle allocation */
135 /* Check the parameters */
136 assert_param(IS_HCD_ALL_INSTANCE(hhcd->Instance));
138 if(hhcd->State == HAL_HCD_STATE_RESET)
140 /* Allocate lock resource and initialize it */
141 hhcd-> Lock = HAL_UNLOCKED;
143 /* Init the low level hardware : GPIO, CLOCK, NVIC... */
144 HAL_HCD_MspInit(hhcd);
147 hhcd->State = HAL_HCD_STATE_BUSY;
149 /* Disable the Interrupts */
150 __HAL_HCD_DISABLE(hhcd);
152 /*Init the Core (common init.) */
153 USB_CoreInit(hhcd->Instance, hhcd->Init);
156 USB_SetCurrentMode(hhcd->Instance , USB_HOST_MODE);
159 USB_HostInit(hhcd->Instance, hhcd->Init);
161 hhcd->State= HAL_HCD_STATE_READY;
167 * @brief Initialize a host channel
168 * @param hhcd: HCD handle
169 * @param ch_num: Channel number.
170 * This parameter can be a value from 1 to 15
171 * @param epnum: Endpoint number.
172 * This parameter can be a value from 1 to 15
173 * @param dev_address : Current device address
174 * This parameter can be a value from 0 to 255
175 * @param speed: Current device speed.
176 * This parameter can be one of these values:
177 * HCD_SPEED_FULL: Full speed mode,
178 * HCD_SPEED_LOW: Low speed mode
179 * @param ep_type: Endpoint Type.
180 * This parameter can be one of these values:
181 * EP_TYPE_CTRL: Control type,
182 * EP_TYPE_ISOC: Isochronous type,
183 * EP_TYPE_BULK: Bulk type,
184 * EP_TYPE_INTR: Interrupt type
185 * @param mps: Max Packet Size.
186 * This parameter can be a value from 0 to32K
189 HAL_StatusTypeDef HAL_HCD_HC_Init(HCD_HandleTypeDef *hhcd,
197 HAL_StatusTypeDef status = HAL_OK;
201 hhcd->hc[ch_num].dev_addr = dev_address;
202 hhcd->hc[ch_num].max_packet = mps;
203 hhcd->hc[ch_num].ch_num = ch_num;
204 hhcd->hc[ch_num].ep_type = ep_type;
205 hhcd->hc[ch_num].ep_num = epnum & 0x7F;
206 hhcd->hc[ch_num].ep_is_in = ((epnum & 0x80) == 0x80);
207 hhcd->hc[ch_num].speed = speed;
209 status = USB_HC_Init(hhcd->Instance,
222 * @brief Halt a host channel
223 * @param hhcd: HCD handle
224 * @param ch_num: Channel number.
225 * This parameter can be a value from 1 to 15
228 HAL_StatusTypeDef HAL_HCD_HC_Halt(HCD_HandleTypeDef *hhcd,
232 USB_HC_Halt(hhcd->Instance, ch_num);
239 * @brief DeInitialize the host driver
240 * @param hhcd: HCD handle
243 HAL_StatusTypeDef HAL_HCD_DeInit(HCD_HandleTypeDef *hhcd)
245 /* Check the HCD handle allocation */
251 hhcd->State = HAL_HCD_STATE_BUSY;
253 /* DeInit the low level hardware */
254 HAL_HCD_MspDeInit(hhcd);
256 __HAL_HCD_DISABLE(hhcd);
258 hhcd->State = HAL_HCD_STATE_RESET;
264 * @brief Initializes the HCD MSP.
265 * @param hhcd: HCD handle
268 __weak void HAL_HCD_MspInit(HCD_HandleTypeDef *hhcd)
270 /* NOTE : This function Should not be modified, when the callback is needed,
271 the HAL_HCD_MspInit could be implemented in the user file
276 * @brief DeInitializes HCD MSP.
277 * @param hhcd: HCD handle
280 __weak void HAL_HCD_MspDeInit(HCD_HandleTypeDef *hhcd)
282 /* NOTE : This function Should not be modified, when the callback is needed,
283 the HAL_HCD_MspDeInit could be implemented in the user file
291 /** @defgroup HCD_Exported_Functions_Group2 IO operation functions
292 * @brief HCD IO operation functions
295 ===============================================================================
296 ##### IO operation functions #####
297 ===============================================================================
298 This subsection provides a set of functions allowing to manage the USB Host Data
306 * @brief Submit a new URB for processing
307 * @param hhcd: HCD handle
308 * @param ch_num: Channel number.
309 * This parameter can be a value from 1 to 15
310 * @param direction: Channel number.
311 * This parameter can be one of these values:
312 * 0 : Output / 1 : Input
313 * @param ep_type: Endpoint Type.
314 * This parameter can be one of these values:
315 * EP_TYPE_CTRL: Control type/
316 * EP_TYPE_ISOC: Isochronous type/
317 * EP_TYPE_BULK: Bulk type/
318 * EP_TYPE_INTR: Interrupt type/
319 * @param token: Endpoint Type.
320 * This parameter can be one of these values:
321 * 0: HC_PID_SETUP / 1: HC_PID_DATA1
322 * @param pbuff: pointer to URB data
323 * @param length: Length of URB data
324 * @param do_ping: activate do ping protocol (for high speed only).
325 * This parameter can be one of these values:
326 * 0 : do ping inactive / 1 : do ping active
329 HAL_StatusTypeDef HAL_HCD_HC_SubmitRequest(HCD_HandleTypeDef *hhcd,
338 hhcd->hc[ch_num].ep_is_in = direction;
339 hhcd->hc[ch_num].ep_type = ep_type;
343 hhcd->hc[ch_num].data_pid = HC_PID_SETUP;
347 hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
350 /* Manage Data Toggle */
354 if((token == 1) && (direction == 0)) /*send data */
357 { /* For Status OUT stage, Length==0, Status Out PID = 1 */
358 hhcd->hc[ch_num].toggle_out = 1;
361 /* Set the Data Toggle bit as per the Flag */
362 if ( hhcd->hc[ch_num].toggle_out == 0)
363 { /* Put the PID 0 */
364 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
367 { /* Put the PID 1 */
368 hhcd->hc[ch_num].data_pid = HC_PID_DATA1 ;
370 if(hhcd->hc[ch_num].urb_state != URB_NOTREADY)
372 hhcd->hc[ch_num].do_ping = do_ping;
380 /* Set the Data Toggle bit as per the Flag */
381 if ( hhcd->hc[ch_num].toggle_out == 0)
382 { /* Put the PID 0 */
383 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
386 { /* Put the PID 1 */
387 hhcd->hc[ch_num].data_pid = HC_PID_DATA1 ;
389 if(hhcd->hc[ch_num].urb_state != URB_NOTREADY)
391 hhcd->hc[ch_num].do_ping = do_ping;
396 if( hhcd->hc[ch_num].toggle_in == 0)
398 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
402 hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
410 /* Set the Data Toggle bit as per the Flag */
411 if ( hhcd->hc[ch_num].toggle_out == 0)
412 { /* Put the PID 0 */
413 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
416 { /* Put the PID 1 */
417 hhcd->hc[ch_num].data_pid = HC_PID_DATA1 ;
422 if( hhcd->hc[ch_num].toggle_in == 0)
424 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
428 hhcd->hc[ch_num].data_pid = HC_PID_DATA1;
434 hhcd->hc[ch_num].data_pid = HC_PID_DATA0;
438 hhcd->hc[ch_num].xfer_buff = pbuff;
439 hhcd->hc[ch_num].xfer_len = length;
440 hhcd->hc[ch_num].urb_state = URB_IDLE;
441 hhcd->hc[ch_num].xfer_count = 0 ;
442 hhcd->hc[ch_num].ch_num = ch_num;
443 hhcd->hc[ch_num].state = HC_IDLE;
445 return USB_HC_StartXfer(hhcd->Instance, &(hhcd->hc[ch_num]));
449 * @brief This function handles HCD interrupt request.
450 * @param hhcd: HCD handle
453 void HAL_HCD_IRQHandler(HCD_HandleTypeDef *hhcd)
455 USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
457 uint32_t index = 0 , interrupt = 0;
459 /* ensure that we are in device mode */
460 if (USB_GetMode(hhcd->Instance) == USB_OTG_MODE_HOST)
462 /* avoid spurious interrupt */
463 if(__HAL_HCD_IS_INVALID_INTERRUPT(hhcd))
468 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT))
470 /* incorrect mode, acknowledge the interrupt */
471 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PXFR_INCOMPISOOUT);
474 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR))
476 /* incorrect mode, acknowledge the interrupt */
477 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_IISOIXFR);
480 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE))
482 /* incorrect mode, acknowledge the interrupt */
483 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_PTXFE);
486 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_MMIS))
488 /* incorrect mode, acknowledge the interrupt */
489 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_MMIS);
492 /* Handle Host Disconnect Interrupts */
493 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT))
497 USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
498 USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
500 /* Handle Host Port Interrupts */
501 HAL_HCD_Disconnect_Callback(hhcd);
502 USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
503 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_DISCINT);
506 /* Handle Host Port Interrupts */
507 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HPRTINT))
509 HCD_Port_IRQHandler (hhcd);
512 /* Handle Host SOF Interrupts */
513 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_SOF))
515 HAL_HCD_SOF_Callback(hhcd);
516 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_SOF);
519 /* Handle Host channel Interrupts */
520 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_HCINT))
522 interrupt = USB_HC_ReadInterrupt(hhcd->Instance);
523 for (index = 0; index < hhcd->Init.Host_channels ; index++)
525 if (interrupt & (1 << index))
527 if ((USBx_HC(index)->HCCHAR) & USB_OTG_HCCHAR_EPDIR)
529 HCD_HC_IN_IRQHandler (hhcd, index);
533 HCD_HC_OUT_IRQHandler (hhcd, index);
537 __HAL_HCD_CLEAR_FLAG(hhcd, USB_OTG_GINTSTS_HCINT);
540 /* Handle Rx Queue Level Interrupts */
541 if(__HAL_HCD_GET_FLAG(hhcd, USB_OTG_GINTSTS_RXFLVL))
543 USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
545 HCD_RXQLVL_IRQHandler (hhcd);
547 USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_RXFLVL);
554 * @brief SOF callback.
555 * @param hhcd: HCD handle
558 __weak void HAL_HCD_SOF_Callback(HCD_HandleTypeDef *hhcd)
560 /* NOTE : This function Should not be modified, when the callback is needed,
561 the HAL_HCD_SOF_Callback could be implemented in the user file
566 * @brief Connexion Event callback.
567 * @param hhcd: HCD handle
570 __weak void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
572 /* NOTE : This function Should not be modified, when the callback is needed,
573 the HAL_HCD_Connect_Callback could be implemented in the user file
578 * @brief Disonnexion Event callback.
579 * @param hhcd: HCD handle
582 __weak void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
584 /* NOTE : This function Should not be modified, when the callback is needed,
585 the HAL_HCD_Disconnect_Callback could be implemented in the user file
590 * @brief Notify URB state change callback.
591 * @param hhcd: HCD handle
592 * @param chnum: Channel number.
593 * This parameter can be a value from 1 to 15
595 * This parameter can be one of these values:
604 __weak void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum, HCD_URBStateTypeDef urb_state)
606 /* NOTE : This function Should not be modified, when the callback is needed,
607 the HAL_HCD_HC_NotifyURBChange_Callback could be implemented in the user file
615 /** @defgroup HCD_Exported_Functions_Group3 Peripheral Control functions
616 * @brief management functions
619 ===============================================================================
620 ##### Peripheral Control functions #####
621 ===============================================================================
623 This subsection provides a set of functions allowing to control the HCD data
631 * @brief Start the host driver
632 * @param hhcd: HCD handle
635 HAL_StatusTypeDef HAL_HCD_Start(HCD_HandleTypeDef *hhcd)
638 __HAL_HCD_ENABLE(hhcd);
639 USB_DriveVbus(hhcd->Instance, 1);
645 * @brief Stop the host driver
646 * @param hhcd: HCD handle
650 HAL_StatusTypeDef HAL_HCD_Stop(HCD_HandleTypeDef *hhcd)
653 USB_StopHost(hhcd->Instance);
659 * @brief Reset the host port
660 * @param hhcd: HCD handle
663 HAL_StatusTypeDef HAL_HCD_ResetPort(HCD_HandleTypeDef *hhcd)
665 return (USB_ResetPort(hhcd->Instance));
672 /** @defgroup HCD_Exported_Functions_Group4 Peripheral State functions
673 * @brief Peripheral State functions
676 ===============================================================================
677 ##### Peripheral State functions #####
678 ===============================================================================
680 This subsection permits to get in run-time the status of the peripheral
688 * @brief Return the HCD state
689 * @param hhcd: HCD handle
692 HCD_StateTypeDef HAL_HCD_GetState(HCD_HandleTypeDef *hhcd)
698 * @brief Return URB state for a channel
699 * @param hhcd: HCD handle
700 * @param chnum: Channel number.
701 * This parameter can be a value from 1 to 15
703 * This parameter can be one of these values:
711 HCD_URBStateTypeDef HAL_HCD_HC_GetURBState(HCD_HandleTypeDef *hhcd, uint8_t chnum)
713 return hhcd->hc[chnum].urb_state;
718 * @brief Return the last host transfer size
719 * @param hhcd: HCD handle
720 * @param chnum: Channel number.
721 * This parameter can be a value from 1 to 15
722 * @retval last transfer size in byte
724 uint32_t HAL_HCD_HC_GetXferCount(HCD_HandleTypeDef *hhcd, uint8_t chnum)
726 return hhcd->hc[chnum].xfer_count;
730 * @brief Return the Host Channel state
731 * @param hhcd: HCD handle
732 * @param chnum: Channel number.
733 * This parameter can be a value from 1 to 15
734 * @retval Host channel state
735 * This parameter can be one of the these values:
746 HCD_HCStateTypeDef HAL_HCD_HC_GetState(HCD_HandleTypeDef *hhcd, uint8_t chnum)
748 return hhcd->hc[chnum].state;
752 * @brief Return the current Host frame number
753 * @param hhcd: HCD handle
754 * @retval Current Host frame number
756 uint32_t HAL_HCD_GetCurrentFrame(HCD_HandleTypeDef *hhcd)
758 return (USB_GetCurrentFrame(hhcd->Instance));
762 * @brief Return the Host enumeration speed
763 * @param hhcd: HCD handle
764 * @retval Enumeration speed
766 uint32_t HAL_HCD_GetCurrentSpeed(HCD_HandleTypeDef *hhcd)
768 return (USB_GetHostSpeed(hhcd->Instance));
778 /** @addtogroup HCD_Private_Functions
782 * @brief This function handles Host Channel IN interrupt requests.
783 * @param hhcd: HCD handle
784 * @param chnum: Channel number.
785 * This parameter can be a value from 1 to 15
788 static void HCD_HC_IN_IRQHandler (HCD_HandleTypeDef *hhcd, uint8_t chnum)
790 USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
792 if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_AHBERR)
794 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_AHBERR);
795 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
797 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_ACK)
799 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_ACK);
802 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_STALL)
804 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
805 hhcd->hc[chnum].state = HC_STALL;
806 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
807 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_STALL);
808 USB_HC_Halt(hhcd->Instance, chnum);
810 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_DTERR)
812 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
813 USB_HC_Halt(hhcd->Instance, chnum);
814 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
815 hhcd->hc[chnum].state = HC_DATATGLERR;
816 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_DTERR);
819 if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_FRMOR)
821 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
822 USB_HC_Halt(hhcd->Instance, chnum);
823 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_FRMOR);
826 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_XFRC)
828 hhcd->hc[chnum].state = HC_XFRC;
829 hhcd->hc[chnum].ErrCnt = 0;
830 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_XFRC);
832 if ((hhcd->hc[chnum].ep_type == EP_TYPE_CTRL)||
833 (hhcd->hc[chnum].ep_type == EP_TYPE_BULK))
835 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
836 USB_HC_Halt(hhcd->Instance, chnum);
837 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
840 else if(hhcd->hc[chnum].ep_type == EP_TYPE_INTR)
842 USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_ODDFRM;
843 hhcd->hc[chnum].urb_state = URB_DONE;
844 HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
846 hhcd->hc[chnum].toggle_in ^= 1;
849 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_CHH)
851 __HAL_HCD_MASK_HALT_HC_INT(chnum);
853 if(hhcd->hc[chnum].state == HC_XFRC)
855 hhcd->hc[chnum].urb_state = URB_DONE;
857 else if (hhcd->hc[chnum].state == HC_STALL)
859 hhcd->hc[chnum].urb_state = URB_STALL;
861 else if((hhcd->hc[chnum].state == HC_XACTERR) ||
862 (hhcd->hc[chnum].state == HC_DATATGLERR))
864 if(hhcd->hc[chnum].ErrCnt++ > 3)
866 hhcd->hc[chnum].ErrCnt = 0;
867 hhcd->hc[chnum].urb_state = URB_ERROR;
871 hhcd->hc[chnum].urb_state = URB_NOTREADY;
874 /* re-activate the channel */
875 USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
876 USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
878 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_CHH);
879 HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
882 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_TXERR)
884 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
885 hhcd->hc[chnum].ErrCnt++;
886 hhcd->hc[chnum].state = HC_XACTERR;
887 USB_HC_Halt(hhcd->Instance, chnum);
888 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_TXERR);
890 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NAK)
892 if(hhcd->hc[chnum].ep_type == EP_TYPE_INTR)
894 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
895 USB_HC_Halt(hhcd->Instance, chnum);
897 else if ((hhcd->hc[chnum].ep_type == EP_TYPE_CTRL)||
898 (hhcd->hc[chnum].ep_type == EP_TYPE_BULK))
900 /* re-activate the channel */
901 USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
902 USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
905 hhcd->hc[chnum].state = HC_NAK;
906 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
911 * @brief This function handles Host Channel OUT interrupt requests.
912 * @param hhcd: HCD handle
913 * @param chnum: Channel number.
914 * This parameter can be a value from 1 to 15
917 static void HCD_HC_OUT_IRQHandler (HCD_HandleTypeDef *hhcd, uint8_t chnum)
919 USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
921 if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_AHBERR)
923 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_AHBERR);
924 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
926 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_ACK)
928 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_ACK);
930 if( hhcd->hc[chnum].do_ping == 1)
932 hhcd->hc[chnum].state = HC_NYET;
933 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
934 USB_HC_Halt(hhcd->Instance, chnum);
935 hhcd->hc[chnum].urb_state = URB_NOTREADY;
939 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NYET)
941 hhcd->hc[chnum].state = HC_NYET;
942 hhcd->hc[chnum].ErrCnt= 0;
943 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
944 USB_HC_Halt(hhcd->Instance, chnum);
945 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NYET);
949 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_FRMOR)
951 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
952 USB_HC_Halt(hhcd->Instance, chnum);
953 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_FRMOR);
956 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_XFRC)
958 hhcd->hc[chnum].ErrCnt = 0;
959 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
960 USB_HC_Halt(hhcd->Instance, chnum);
961 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_XFRC);
962 hhcd->hc[chnum].state = HC_XFRC;
964 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_STALL)
966 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_STALL);
967 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
968 USB_HC_Halt(hhcd->Instance, chnum);
969 hhcd->hc[chnum].state = HC_STALL;
971 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_NAK)
973 hhcd->hc[chnum].ErrCnt = 0;
974 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
975 USB_HC_Halt(hhcd->Instance, chnum);
976 hhcd->hc[chnum].state = HC_NAK;
977 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
979 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_TXERR)
981 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
982 USB_HC_Halt(hhcd->Instance, chnum);
983 hhcd->hc[chnum].state = HC_XACTERR;
984 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_TXERR);
986 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_DTERR)
988 __HAL_HCD_UNMASK_HALT_HC_INT(chnum);
989 USB_HC_Halt(hhcd->Instance, chnum);
990 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_NAK);
991 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_DTERR);
992 hhcd->hc[chnum].state = HC_DATATGLERR;
994 else if ((USBx_HC(chnum)->HCINT) & USB_OTG_HCINT_CHH)
996 __HAL_HCD_MASK_HALT_HC_INT(chnum);
998 if(hhcd->hc[chnum].state == HC_XFRC)
1000 hhcd->hc[chnum].urb_state = URB_DONE;
1001 if (hhcd->hc[chnum].ep_type == EP_TYPE_BULK)
1003 hhcd->hc[chnum].toggle_out ^= 1;
1006 else if (hhcd->hc[chnum].state == HC_NAK)
1008 hhcd->hc[chnum].urb_state = URB_NOTREADY;
1010 else if (hhcd->hc[chnum].state == HC_NYET)
1012 hhcd->hc[chnum].urb_state = URB_NOTREADY;
1013 hhcd->hc[chnum].do_ping = 0;
1015 else if (hhcd->hc[chnum].state == HC_STALL)
1017 hhcd->hc[chnum].urb_state = URB_STALL;
1019 else if((hhcd->hc[chnum].state == HC_XACTERR) ||
1020 (hhcd->hc[chnum].state == HC_DATATGLERR))
1022 if(hhcd->hc[chnum].ErrCnt++ > 3)
1024 hhcd->hc[chnum].ErrCnt = 0;
1025 hhcd->hc[chnum].urb_state = URB_ERROR;
1029 hhcd->hc[chnum].urb_state = URB_NOTREADY;
1032 /* re-activate the channel */
1033 USBx_HC(chnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
1034 USBx_HC(chnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
1037 __HAL_HCD_CLEAR_HC_INT(chnum, USB_OTG_HCINT_CHH);
1038 HAL_HCD_HC_NotifyURBChange_Callback(hhcd, chnum, hhcd->hc[chnum].urb_state);
1043 * @brief This function handles Rx Queue Level interrupt requests.
1044 * @param hhcd: HCD handle
1047 static void HCD_RXQLVL_IRQHandler (HCD_HandleTypeDef *hhcd)
1049 USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
1050 uint8_t channelnum =0;
1055 temp = hhcd->Instance->GRXSTSP;
1056 channelnum = temp & USB_OTG_GRXSTSP_EPNUM;
1057 pktsts = (temp & USB_OTG_GRXSTSP_PKTSTS) >> 17;
1058 pktcnt = (temp & USB_OTG_GRXSTSP_BCNT) >> 4;
1062 case GRXSTS_PKTSTS_IN:
1063 /* Read the data into the host buffer. */
1064 if ((pktcnt > 0) && (hhcd->hc[channelnum].xfer_buff != (void *)0))
1066 USB_ReadPacket(hhcd->Instance, hhcd->hc[channelnum].xfer_buff, pktcnt);
1068 /*manage multiple Xfer */
1069 hhcd->hc[channelnum].xfer_buff += pktcnt;
1070 hhcd->hc[channelnum].xfer_count += pktcnt;
1072 if((USBx_HC(channelnum)->HCTSIZ & USB_OTG_HCTSIZ_PKTCNT) > 0)
1074 /* re-activate the channel when more packets are expected */
1075 USBx_HC(channelnum)->HCCHAR &= ~USB_OTG_HCCHAR_CHDIS;
1076 USBx_HC(channelnum)->HCCHAR |= USB_OTG_HCCHAR_CHENA;
1077 hhcd->hc[channelnum].toggle_in ^= 1;
1082 case GRXSTS_PKTSTS_DATA_TOGGLE_ERR:
1085 case GRXSTS_PKTSTS_IN_XFER_COMP:
1086 case GRXSTS_PKTSTS_CH_HALTED:
1093 * @brief This function handles Host Port interrupt requests.
1094 * @param hhcd: HCD handle
1097 static void HCD_Port_IRQHandler (HCD_HandleTypeDef *hhcd)
1099 USB_OTG_GlobalTypeDef *USBx = hhcd->Instance;
1100 __IO uint32_t hprt0 = 0, hprt0_dup = 0;
1102 /* Handle Host Port Interrupts */
1104 hprt0_dup = USBx_HPRT0;
1106 hprt0_dup &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
1107 USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
1109 /* Check whether Port Connect Detected */
1110 if((hprt0 & USB_OTG_HPRT_PCDET) == USB_OTG_HPRT_PCDET)
1112 if((hprt0 & USB_OTG_HPRT_PCSTS) == USB_OTG_HPRT_PCSTS)
1114 USB_MASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
1115 HAL_HCD_Connect_Callback(hhcd);
1117 hprt0_dup |= USB_OTG_HPRT_PCDET;
1120 /* Check whether Port Enable Changed */
1121 if((hprt0 & USB_OTG_HPRT_PENCHNG) == USB_OTG_HPRT_PENCHNG)
1123 hprt0_dup |= USB_OTG_HPRT_PENCHNG;
1125 if((hprt0 & USB_OTG_HPRT_PENA) == USB_OTG_HPRT_PENA)
1127 if ((hprt0 & USB_OTG_HPRT_PSPD) == (HPRT0_PRTSPD_LOW_SPEED << 17))
1129 USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_6_MHZ );
1133 USB_InitFSLSPClkSel(hhcd->Instance ,HCFG_48_MHZ );
1135 HAL_HCD_Connect_Callback(hhcd);
1140 USBx_HPRT0 &= ~(USB_OTG_HPRT_PENA | USB_OTG_HPRT_PCDET |\
1141 USB_OTG_HPRT_PENCHNG | USB_OTG_HPRT_POCCHNG );
1143 USB_UNMASK_INTERRUPT(hhcd->Instance, USB_OTG_GINTSTS_DISCINT);
1147 /* Check For an over current */
1148 if((hprt0 & USB_OTG_HPRT_POCCHNG) == USB_OTG_HPRT_POCCHNG)
1150 hprt0_dup |= USB_OTG_HPRT_POCCHNG;
1153 /* Clear Port Interrupts */
1154 USBx_HPRT0 = hprt0_dup;
1165 #endif /* STM32F105xC || STM32F107xC */
1167 #endif /* HAL_HCD_MODULE_ENABLED */
1173 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/