75 lines
3.4 KiB
C
75 lines
3.4 KiB
C
/*!
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\file usbh_std.h
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\brief header file for usbh_std.c
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*/
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/*
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Copyright (C) 2016 GigaDevice
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2016-08-15, V1.0.0, firmware for GD32F4xx
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*/
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#ifndef USBH_STD_H
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#define USBH_STD_H
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#include "usbh_core.h"
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#include "usbh_usr.h"
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/* standard feature selector for clear feature command */
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#define FEATURE_SELECTOR_ENDPOINT 0x00U
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#define FEATURE_SELECTOR_DEVICE 0x01U
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#define USBH_SETUP_PACKET_SIZE 8U /* setup packet size */
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#define ENUM_HANDLE_TABLE_SIZE 10U /* enumerate handle table size */
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extern uint8_t usbh_cfg_desc[512];
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extern uint8_t enum_polling_handle_flag;
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extern state_table_struct enum_handle_table[ENUM_HANDLE_TABLE_SIZE];
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typedef enum
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{
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ENUN_EVENT_IDLE = 0, /* the enum idle event */
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ENUM_EVENT_SET_ADDR, /* the enum set address event */
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ENUN_EVENT_GET_FULL_DEV_DESC, /* the enum get full device descripter event */
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ENUN_EVENT_GET_CFG_DESC, /* the enum get congiguration descripter event */
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ENUN_EVENT_GET_FULL_CFG_DESC, /* the enum get full configuration descripter event */
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ENUN_EVENT_GET_MFC_STRING_DESC, /* the enum get MFC string descripter event */
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ENUN_EVENT_GET_PRODUCT_STRING_DESC, /* the enum get product string event */
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ENUN_EVENT_GET_SERIALNUM_STRING_DESC, /* the enum get serialnum string event */
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ENUN_EVENT_SET_CONFIGURATION, /* the enum set configuration event */
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ENUN_EVENT_DEV_CONFIGURED /* the enum device configured event */
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}enum_event_enum;
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/* function declarations */
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/* the polling function of enumeration state */
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usbh_status_enum enum_state_polling_fun (usb_core_handle_struct *pudev, usbh_host_struct *puhost, void *pustate);
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/* get descriptor in usb host enumeration stage */
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void usbh_enum_desc_get (usb_core_handle_struct *pudev,
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usbh_host_struct *puhost,
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uint8_t *buf,
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uint8_t req_type,
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uint16_t value_idx,
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uint16_t len);
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/* set address in usb host enumeration stage */
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void usbh_enum_addr_set (usb_core_handle_struct *pudev, usbh_host_struct *puhost, uint8_t device_address);
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/* set configuration in usb host enumeration stage */
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void usbh_enum_cfg_set (usb_core_handle_struct *pudev, usbh_host_struct *puhost, uint16_t cfg_idx);
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/* parse the device descriptor */
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void usbh_device_desc_parse (usb_descriptor_device_struct *dev_desc, uint8_t *buf, uint16_t len);
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/* parse the configuration descriptor */
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void usbh_cfg_desc_parse (usb_descriptor_configuration_struct *cfg_desc,
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usb_descriptor_interface_struct *itf_desc,
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usb_descriptor_endpoint_struct ep_desc[][USBH_MAX_EP_NUM],
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uint8_t *buf,
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uint16_t len);
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/* parse the interface descriptor */
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void usbh_interface_desc_parse (usb_descriptor_interface_struct *itf_desc, uint8_t *buf);
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/* parse the endpoint descriptor */
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void usbh_endpoint_desc_parse (usb_descriptor_endpoint_struct *ep_desc, uint8_t *buf);
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/* parse the string descriptor */
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void usbh_string_desc_parse (uint8_t *psrc, uint8_t *pdest, uint16_t len);
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/* get the next descriptor header */
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usb_descriptor_header_struct *usbh_next_desc_get (uint8_t *pbuf, uint16_t *ptr);
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#endif /* USBH_STD_H */
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