669 lines
21 KiB
C
669 lines
21 KiB
C
/**************************************************************************//**
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* @file usbd.h
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* @version V3.0
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* $Revision: 17 $
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* $Date: 15/05/28 8:42p $
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* @brief USB driver header file
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*
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* @note
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* SPDX-License-Identifier: Apache-2.0
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* Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved.
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******************************************************************************/
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#ifndef __USBD_H__
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#define __USBD_H__
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/** @addtogroup Standard_Driver Standard Driver
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@{
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*/
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/** @addtogroup USBD_Driver USBD Driver
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@{
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*/
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/** @addtogroup USBD_EXPORTED_STRUCTS USBD Exported Structs
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@{
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*/
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typedef struct s_usbd_info
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{
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const uint8_t *gu8DevDesc; /*!< Pointer for USB Device Descriptor */
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const uint8_t *gu8ConfigDesc; /*!< Pointer for USB Configuration Descriptor */
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const uint8_t **gu8StringDesc; /*!< Pointer for USB String Descriptor pointers */
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const uint8_t *gu8HidReportDesc; /*!< Pointer for USB HID Report Descriptor */
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} S_USBD_INFO_T;
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extern const S_USBD_INFO_T gsInfo;
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/*@}*/ /* end of group USBD_EXPORTED_STRUCTS */
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/** @addtogroup USBD_EXPORTED_CONSTANTS USBD Exported Constants
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@{
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*/
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#define USBD_BUF_BASE (USBD_BASE+0x100)
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#define USBD_MAX_EP 6
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#define EP0 0 /*!< Endpoint 0 */
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#define EP1 1 /*!< Endpoint 1 */
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#define EP2 2 /*!< Endpoint 2 */
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#define EP3 3 /*!< Endpoint 3 */
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#define EP4 4 /*!< Endpoint 4 */
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#define EP5 5 /*!< Endpoint 5 */
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/*!<USB Request Type */
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#define REQ_STANDARD 0x00
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#define REQ_CLASS 0x20
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#define REQ_VENDOR 0x40
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/*!<USB Standard Request */
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#define GET_STATUS 0x00
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#define CLEAR_FEATURE 0x01
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#define SET_FEATURE 0x03
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#define SET_ADDRESS 0x05
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#define GET_DESCRIPTOR 0x06
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#define SET_DESCRIPTOR 0x07
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#define GET_CONFIGURATION 0x08
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#define SET_CONFIGURATION 0x09
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#define GET_INTERFACE 0x0A
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#define SET_INTERFACE 0x0B
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#define SYNC_FRAME 0x0C
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/*!<USB Descriptor Type */
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#define DESC_DEVICE 0x01
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#define DESC_CONFIG 0x02
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#define DESC_STRING 0x03
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#define DESC_INTERFACE 0x04
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#define DESC_ENDPOINT 0x05
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#define DESC_QUALIFIER 0x06
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#define DESC_OTHERSPEED 0x07
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/*!<USB HID Descriptor Type */
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#define DESC_HID 0x21
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#define DESC_HID_RPT 0x22
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/*!<USB Descriptor Length */
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#define LEN_DEVICE 18
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#define LEN_CONFIG 9
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#define LEN_INTERFACE 9
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#define LEN_ENDPOINT 7
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#define LEN_HID 9
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#define LEN_CCID 0x36
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/*!<USB Endpoint Type */
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#define EP_ISO 0x01
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#define EP_BULK 0x02
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#define EP_INT 0x03
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#define EP_INPUT 0x80
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#define EP_OUTPUT 0x00
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/*!<USB Feature Selector */
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#define FEATURE_DEVICE_REMOTE_WAKEUP 0x01
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#define FEATURE_ENDPOINT_HALT 0x00
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/******************************************************************************/
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/* USB Specific Macros */
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/******************************************************************************/
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#define USBD_WAKEUP_EN USBD_INTEN_WAKEUP_EN_Msk /*!< USB Wake-up Enable */
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#define USBD_DRVSE0 USBD_DRVSE0_DRVSE0_Msk /*!< Drive SE0 */
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#define USBD_DPPU_EN USBD_ATTR_DPPU_EN_Msk /*!< USB D+ Pull-up Enable */
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#define USBD_PWRDN USBD_ATTR_PWRDN_Msk /*!< PHY Turn-On */
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#define USBD_PHY_EN USBD_ATTR_PHY_EN_Msk /*!< PHY Enable */
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#define USBD_USB_EN USBD_ATTR_USB_EN_Msk /*!< USB Enable */
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#define USBD_INT_BUS USBD_INTEN_BUS_IE_Msk /*!< USB Bus Event Interrupt */
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#define USBD_INT_USB USBD_INTEN_USB_IE_Msk /*!< USB USB Event Interrupt */
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#define USBD_INT_FLDET USBD_INTEN_FLDET_IE_Msk /*!< USB Float Detect Interrupt */
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#define USBD_INT_WAKEUP (USBD_INTEN_WAKEUP_IE_Msk | USBD_INTEN_WAKEUP_EN_Msk) /*!< USB Wake-up Interrupt */
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#define USBD_INTSTS_WAKEUP USBD_INTSTS_WAKEUP_STS_Msk /*!< USB Wakeup Interrupt Status */
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#define USBD_INTSTS_FLDET USBD_INTSTS_FLDET_STS_Msk /*!< USB Float Detect Interrupt Status */
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#define USBD_INTSTS_BUS USBD_INTSTS_BUS_STS_Msk /*!< USB Bus Event Interrupt Status */
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#define USBD_INTSTS_USB USBD_INTSTS_USB_STS_Msk /*!< USB USB Event Interrupt Status */
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#define USBD_INTSTS_SETUP USBD_INTSTS_SETUP_Msk /*!< USB Setup Event */
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#define USBD_INTSTS_EP0 0x00010000 /*!< USB Endpoint 0 Event */
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#define USBD_INTSTS_EP1 0x00020000 /*!< USB Endpoint 1 Event */
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#define USBD_INTSTS_EP2 0x00040000 /*!< USB Endpoint 2 Event */
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#define USBD_INTSTS_EP3 0x00080000 /*!< USB Endpoint 3 Event */
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#define USBD_INTSTS_EP4 0x00100000 /*!< USB Endpoint 4 Event */
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#define USBD_INTSTS_EP5 0x00200000 /*!< USB Endpoint 5 Event */
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#define USBD_STATE_USBRST USBD_ATTR_USBRST_Msk /*!< USB Bus Reset */
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#define USBD_STATE_SUSPEND USBD_ATTR_SUSPEND_Msk /*!< USB Bus Suspend */
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#define USBD_STATE_RESUME USBD_ATTR_RESUME_Msk /*!< USB Bus Resume */
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#define USBD_STATE_TIMEOUT USBD_ATTR_TIMEOUT_Msk /*!< USB Bus Timeout */
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#define USBD_CFGP_SSTALL USBD_CFGP_SSTALL_Msk /*!< Set Stall */
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#define USBD_CFG_CSTALL USBD_CFG_CSTALL_Msk /*!< Clear Stall */
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#define USBD_CFG_EPMODE_DISABLE (0ul << USBD_CFG_STATE_Pos)/*!< Endpoint Disable */
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#define USBD_CFG_EPMODE_OUT (1ul << USBD_CFG_STATE_Pos)/*!< Out Endpoint */
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#define USBD_CFG_EPMODE_IN (2ul << USBD_CFG_STATE_Pos)/*!< In Endpoint */
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#define USBD_CFG_TYPE_ISO (1ul << USBD_CFG_ISOCH_Pos) /*!< Isochronous */
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#define USBD_STATE_DETACHED 0x00 /*!<USB Device Detached State Definition */
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#define USBD_STATE_ATTACHED 0x01 /*!<USB Device Attached State Definition */
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#define USBD_STATE_DEFAULT 0x11 /*!<USB Device Default State Definition */
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#define USBD_STATE_ADDRESS 0x31 /*!<USB Device Addressed State Definition */
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#define USBD_STATE_CONFIGURED 0x71 /*!<USB Device Configured State Definition */
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#define USBD_STATE_FLAG_DEFAULT 0x10 /*!<USB Device State Default Flag */
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#define USBD_STATE_FLAG_ADDRESS 0x20 /*!<USB Device State Addressed Flag */
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#define USBD_STATE_FLAG_CONFIGURED 0x40 /*!<USB Device State Configured Flag */
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#define USBD_STATE_FLAG_SUSPENDED 0x80 /*!<USB Device State Suspended Flag */
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/*@}*/ /* end of group USBD_EXPORTED_CONSTANTS */
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/** @addtogroup USBD_EXPORTED_FUNCTIONS USBD Exported Functions
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@{
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*/
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/**
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* @brief Compare two input numbers and return maximum one.
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*
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* @param[in] a First number to be compared.
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* @param[in] b Second number to be compared.
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*
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* @return Maximum value between a and b.
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*
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* @details If a > b, then return a. Otherwise, return b.
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*/
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#define Maximum(a,b) ((a)>(b) ? (a) : (b))
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/**
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* @brief Compare two input numbers and return minimum one
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*
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* @param[in] a First number to be compared
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* @param[in] b Second number to be compared
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*
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* @return Minimum value between a and b
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*
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* @details If a < b, then return a. Otherwise, return b.
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*/
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#define Minimum(a,b) ((a)<(b) ? (a) : (b))
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/**
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* @brief Enable USB
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*
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* @param None
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*
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* @return None
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*
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* @details To set USB ATTR control register to enable USB and PHY.
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*
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*/
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#define USBD_ENABLE_USB() ((uint32_t)(USBD->ATTR |= (USBD_USB_EN|USBD_PHY_EN)))
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/**
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* @brief Disable USB
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*
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* @param None
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*
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* @return None
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*
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* @details To set USB ATTR control register to disable USB.
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*
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*/
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#define USBD_DISABLE_USB() ((uint32_t)(USBD->ATTR &= ~USBD_USB_EN))
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/**
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* @brief Enable USB PHY
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*
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* @param None
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*
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* @return None
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*
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* @details To set USB ATTR control register to enable USB PHY.
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*
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*/
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#define USBD_ENABLE_PHY() ((uint32_t)(USBD->ATTR |= USBD_PHY_EN))
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/**
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* @brief Disable USB PHY
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*
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* @param None
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*
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* @return None
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*
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* @details To set USB ATTR control register to disable USB PHY.
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*
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*/
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#define USBD_DISABLE_PHY() ((uint32_t)(USBD->ATTR &= ~USBD_PHY_EN))
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/**
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* @brief Enable SE0. Force USB PHY transceiver to drive SE0.
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*
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* @param None
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*
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* @return None
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*
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* @details Set DRVSE0 bit of USB_DRVSE0 register to enable software-disconnect function. Force USB PHY transceiver to drive SE0 to bus.
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*
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*/
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#define USBD_SET_SE0() ((uint32_t)(USBD->DRVSE0 |= USBD_DRVSE0))
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/**
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* @brief Disable SE0
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*
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* @param None
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*
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* @return None
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*
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* @details Clear DRVSE0 bit of USB_DRVSE0 register to disable software-disconnect function.
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*
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*/
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#define USBD_CLR_SE0() ((uint32_t)(USBD->DRVSE0 &= ~USBD_DRVSE0))
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/**
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* @brief Set USB device address
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*
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* @param[in] addr The USB device address.
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*
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* @return None
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*
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* @details Write USB device address to USB_FADDR register.
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*
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*/
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#define USBD_SET_ADDR(addr) (USBD->FADDR = (addr))
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/**
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* @brief Get USB device address
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*
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* @param None
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*
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* @return USB device address
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*
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* @details Read USB_FADDR register to get USB device address.
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*
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*/
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#define USBD_GET_ADDR() ((uint32_t)(USBD->FADDR))
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/**
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* @brief Enable USB interrupt function
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*
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* @param[in] intr The combination of the specified interrupt enable bits.
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* Each bit corresponds to a interrupt enable bit.
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* This parameter decides which interrupts will be enabled.
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* (USBD_INT_WAKEUP, USBD_INT_FLDET, USBD_INT_USB, USBD_INT_BUS)
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*
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* @return None
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*
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* @details Enable USB related interrupt functions specified by intr parameter.
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*
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*/
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#define USBD_ENABLE_INT(intr) (USBD->INTEN |= (intr))
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/**
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* @brief Get interrupt status
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*
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* @param None
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*
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* @return The value of USB_INTSTS register
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*
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* @details Return all interrupt flags of USB_INTSTS register.
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*
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*/
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#define USBD_GET_INT_FLAG() ((uint32_t)(USBD->INTSTS))
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/**
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* @brief Clear USB interrupt flag
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*
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* @param[in] flag The combination of the specified interrupt flags.
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* Each bit corresponds to a interrupt source.
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* This parameter decides which interrupt flags will be cleared.
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* (USBD_INTSTS_WAKEUP, USBD_INTSTS_FLDET, USBD_INTSTS_BUS, USBD_INTSTS_USB)
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*
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* @return None
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*
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* @details Clear USB related interrupt flags specified by flag parameter.
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*
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*/
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#define USBD_CLR_INT_FLAG(flag) (USBD->INTSTS = (flag))
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/**
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* @brief Get endpoint status
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*
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* @param None
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*
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* @return The value of USB_EPSTS register.
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*
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* @details Return all endpoint status.
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*
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*/
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#define USBD_GET_EP_FLAG() ((uint32_t)(USBD->EPSTS))
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/**
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* @brief Get USB bus state
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*
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* @param None
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*
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* @return The value of USB_ATTR[3:0].
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* Bit 0 indicates USB bus reset status.
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* Bit 1 indicates USB bus suspend status.
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* Bit 2 indicates USB bus resume status.
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* Bit 3 indicates USB bus time-out status.
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*
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* @details Return USB_ATTR[3:0] for USB bus events.
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*
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*/
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#define USBD_GET_BUS_STATE() ((uint32_t)(USBD->ATTR & 0xf))
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/**
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* @brief Check cable connection state
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*
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* @param None
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*
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* @retval 0 USB cable is not attached.
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* 1 USB cable is attached.
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*
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* @details Check the connection state by FLDET bit of USB_FLDET register.
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*
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*/
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#define USBD_IS_ATTACHED() ((uint32_t)(USBD->FLDET & USBD_FLDET_FLDET_Msk))
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/**
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* @brief Stop USB transaction of the specified endpoint
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @return None
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*
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* @details Write 1 to CLRRDY bit of USB_CFGPx register to stop USB transaction of the specified endpoint.
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*
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*/
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#define USBD_STOP_TRANSACTION(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_CLRRDY_Msk)
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/**
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* @brief Set USB DATA1 PID for the specified endpoint
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @return None
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*
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* @details Set DSQ_SYNC bit of USB_CFGx register to specify the DATA1 PID for the following IN token transaction.
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* Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
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*
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*/
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#define USBD_SET_DATA1(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) |= USBD_CFG_DSQ_SYNC_Msk)
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/**
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* @brief Set USB DATA0 PID for the specified endpoint
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @return None
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*
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* @details Clear DSQ_SYNC bit of USB_CFGx register to specify the DATA0 PID for the following IN token transaction.
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* Base on this setting, hardware will toggle PID between DATA0 and DATA1 automatically for IN token transactions.
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*
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*/
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#define USBD_SET_DATA0(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) &= (~USBD_CFG_DSQ_SYNC_Msk))
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/**
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* @brief Set USB payload size (IN data)
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @param[in] size The transfer length.
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*
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* @return None
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*
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* @details This macro will write the transfer length to USB_MXPLDx register for IN data transaction.
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*
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*/
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#define USBD_SET_PAYLOAD_LEN(ep, size) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))) = (size))
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/**
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* @brief Get USB payload size (OUT data)
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @return The value of USB_MXPLDx register.
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*
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* @details Get the data length of OUT data transaction by reading USB_MXPLDx register.
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*
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*/
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#define USBD_GET_PAYLOAD_LEN(ep) ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].MXPLD + (uint32_t)((ep) << 4))))
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/**
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* @brief Configure endpoint
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @param[in] config The USB configuration.
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*
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* @return None
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*
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* @details This macro will write config parameter to USB_CFGx register of specified endpoint.
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*
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*/
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#define USBD_CONFIG_EP(ep, config) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFG + (uint32_t)((ep) << 4))) = (config))
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/**
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* @brief Set USB endpoint buffer
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @param[in] offset The SRAM offset.
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*
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* @return None
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*
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* @details This macro will set the SRAM offset for the specified endpoint.
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*
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*/
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#define USBD_SET_EP_BUF_ADDR(ep, offset) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))) = (offset))
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/**
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* @brief Get the offset of the specified USB endpoint buffer
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*
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* @param[in] ep The USB endpoint buffer number.
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*
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* @return The offset of the specified endpoint buffer.
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*
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* @details This macro will return the SRAM offset of the specified endpoint.
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*
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*/
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#define USBD_GET_EP_BUF_ADDR(ep) ((uint32_t)*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].BUFSEG + (uint32_t)((ep) << 4))))
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/**
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* @brief Set USB endpoint stall state
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*
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* @param[in] ep The USB endpoint ID (USB endpoint buffer number).
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*
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* @return None
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*
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* @details Set USB endpoint stall state for the specified endpoint ID. Endpoint will respond STALL token automatically.
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*
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*/
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#define USBD_SET_EP_STALL(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) |= USBD_CFGP_SSTALL_Msk)
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/**
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* @brief Clear USB endpoint stall state
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*
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* @param[in] ep The USB endpoint ID (USB endpoint buffer number).
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*
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* @return None
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*
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* @details Clear USB endpoint stall state for the specified endpoint ID. Endpoint will respond ACK/NAK token.
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*/
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#define USBD_CLR_EP_STALL(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) &= ~USBD_CFGP_SSTALL_Msk)
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/**
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* @brief Get USB endpoint stall state
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*
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* @param[in] ep The USB endpoint ID (USB endpoint buffer number).
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*
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* @retval 0 USB endpoint is not stalled.
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* @retval Others USB endpoint is stalled.
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*
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* @details Get USB endpoint stall state of the specified endpoint ID.
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*
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*/
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#define USBD_GET_EP_STALL(ep) (*((__IO uint32_t *) ((uint32_t)&USBD->EP[0].CFGP + (uint32_t)((ep) << 4))) & USBD_CFGP_SSTALL_Msk)
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/**
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* @brief To support byte access between USB SRAM and system SRAM
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*
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* @param[in] dest Destination pointer.
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*
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* @param[in] src Source pointer.
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*
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* @param[in] size Byte count.
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*
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* @return None
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*
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* @details This function will copy the number of data specified by size and src parameters to the address specified by dest parameter.
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*
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*/
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static __INLINE void USBD_MemCopy(uint8_t *dest, uint8_t *src, int32_t size)
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{
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while(size--) *dest++ = *src++;
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}
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/**
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* @brief Set USB endpoint stall state
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*
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* @param[in] epnum USB endpoint number
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*
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* @return None
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*
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* @details Set USB endpoint stall state. Endpoint will respond STALL token automatically.
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*
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*/
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static __INLINE void USBD_SetStall(uint8_t epnum)
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{
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uint32_t u32CfgAddr;
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uint32_t u32Cfg;
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int i;
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for(i = 0; i < USBD_MAX_EP; i++)
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{
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u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
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u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
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if((u32Cfg & 0xf) == epnum)
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{
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u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
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u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
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*((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg | USBD_CFGP_SSTALL);
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break;
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}
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}
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}
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/**
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* @brief Clear USB endpoint stall state
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*
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* @param[in] epnum USB endpoint number
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*
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* @return None
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*
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* @details Clear USB endpoint stall state. Endpoint will respond ACK/NAK token.
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*/
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static __INLINE void USBD_ClearStall(uint8_t epnum)
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{
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uint32_t u32CfgAddr;
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uint32_t u32Cfg;
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int i;
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for(i = 0; i < USBD_MAX_EP; i++)
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{
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u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
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u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
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if((u32Cfg & 0xf) == epnum)
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{
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u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
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u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
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*((__IO uint32_t *)(u32CfgAddr)) = (u32Cfg & ~USBD_CFGP_SSTALL);
|
|
break;
|
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}
|
|
}
|
|
}
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|
|
/**
|
|
* @brief Get USB endpoint stall state
|
|
*
|
|
* @param[in] epnum USB endpoint number
|
|
*
|
|
* @retval 0 USB endpoint is not stalled.
|
|
* @retval Others USB endpoint is stalled.
|
|
*
|
|
* @details Get USB endpoint stall state.
|
|
*
|
|
*/
|
|
static __INLINE uint32_t USBD_GetStall(uint8_t epnum)
|
|
{
|
|
uint32_t u32CfgAddr;
|
|
uint32_t u32Cfg;
|
|
int i;
|
|
|
|
for(i = 0; i < USBD_MAX_EP; i++)
|
|
{
|
|
u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFG; /* USBD_CFG0 */
|
|
u32Cfg = *((__IO uint32_t *)(u32CfgAddr));
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|
|
|
if((u32Cfg & 0xf) == epnum)
|
|
{
|
|
u32CfgAddr = (uint32_t)(i << 4) + (uint32_t)&USBD->EP[0].CFGP; /* USBD_CFGP0 */
|
|
break;
|
|
}
|
|
}
|
|
|
|
return ((*((__IO uint32_t *)(u32CfgAddr))) & USBD_CFGP_SSTALL);
|
|
}
|
|
|
|
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|
extern volatile uint8_t g_usbd_RemoteWakeupEn;
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|
typedef void (*VENDOR_REQ)(void); /*!< Functional pointer type declaration for Vendor class */
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|
typedef void (*CLASS_REQ)(void); /*!< Functional pointer type definition for USB class request callback handler */
|
|
typedef void (*SET_INTERFACE_REQ)(void); /*!< Functional pointer type definition for USB set interface request callback handler */
|
|
typedef void (*SET_CONFIG_CB)(void); /*!< Functional pointer type declaration for USB set configuration request callback handler */
|
|
|
|
/*--------------------------------------------------------------------*/
|
|
void USBD_Open(const S_USBD_INFO_T *param, CLASS_REQ pfnClassReq, SET_INTERFACE_REQ pfnSetInterface);
|
|
void USBD_Start(void);
|
|
void USBD_GetSetupPacket(uint8_t *buf);
|
|
void USBD_ProcessSetupPacket(void);
|
|
void USBD_StandardRequest(void);
|
|
void USBD_PrepareCtrlIn(uint8_t *pu8Buf, uint32_t u32Size);
|
|
void USBD_CtrlIn(void);
|
|
void USBD_PrepareCtrlOut(uint8_t *pu8Buf, uint32_t u32Size);
|
|
void USBD_CtrlOut(void);
|
|
void USBD_SwReset(void);
|
|
void USBD_SetVendorRequest(VENDOR_REQ pfnVendorReq);
|
|
void USBD_SetConfigCallback(SET_CONFIG_CB pfnSetConfigCallback);
|
|
void USBD_LockEpStall(uint32_t u32EpBitmap);
|
|
|
|
/*@}*/ /* end of group USBD_EXPORTED_FUNCTIONS */
|
|
|
|
/*@}*/ /* end of group USBD_Driver */
|
|
|
|
/*@}*/ /* end of group Device_Driver */
|
|
|
|
|
|
#endif //__USBD_H__
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|
|
|
/*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/
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