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/*!
\file usbh_ctrl.h
\brief header file for usbh_ctrl.c
*/
/*
Copyright (C) 2017 GigaDevice
2017-02-10, V1.0.0, firmware for GD32F30x
*/
#ifndef USBH_CTRL_H
#define USBH_CTRL_H
#include "usbh_core.h"
#include "usbh_usr.h"
#define CTRL_HANDLE_TABLE_SIZE 13U /*!< the ctrl handle table size define */
extern state_table_struct ctrl_handle_table[CTRL_HANDLE_TABLE_SIZE];
extern uint8_t ctrl_polling_handle_flag;
/* the enum of CTRL event */
typedef enum
{
CTRL_EVENT_IDLE = 0, /* the ctrl idle event */
CTRL_EVENT_SETUP, /* the ctrl setup event */
CTRL_EVENT_DATA, /* the ctrl data event */
CTRL_EVENT_STATUS, /* the ctrl status event */
CTRL_EVENT_COMPLETE, /* the ctrl complete event */
CTRL_EVENT_ERROR, /* the ctrl error event */
CTRL_EVENT_STALLED, /* the ctrl stalled event */
}ctrl_event_enum;
/* function declarations */
/* the polling function of control transfer state handle */
usbh_status_enum ctrl_state_polling_fun (usb_core_handle_struct *pudev, usbh_host_struct *puhost, void *pustate);
/* send datas from the host channel */
usbh_status_enum usbh_xfer (usb_core_handle_struct *pudev, uint8_t *buf, uint8_t hc_num, uint16_t len);
/* send the setup packet to the device */
usbh_status_enum usbh_ctltx_setup (usb_core_handle_struct *pudev, uint8_t *buf, uint8_t hc_num);
/* this function prepare a hc and start a transfer */
uint32_t hcd_submit_request (usb_core_handle_struct *pudev, uint8_t channel_num);
#endif /* USBH_CTRL_H */
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