72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
#ifndef CORE_USB_USB
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#define CORE_USB_USB
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#include <stdint.h>
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#include "usb_device_types.h"
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#include "usb_driver_common.h"
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// --------------
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/**
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* Setup transfer state.
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*/
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typedef struct {
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USB_SetupRequest setup_req; ///< Setup request
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uint8_t next_stage; ///< Next expected stage
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bool out_complete; ///< Signals if transfer's OUT direction is complete, no later data reception is expected
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uint16_t fup_sz; ///< Some SETUP response IN data follows
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const uint8_t * fup_data; ///< Pointer on follow-up data
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} Usb_SetupTransferState;
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// --------------
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/** \cond 0 */
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#ifndef USB_RX_BUF_SIZE
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#define USB_RX_BUF_SIZE (512) ///< Receive buffer size FIXME
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#endif
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/** \endcond */
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// --------------
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/**
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* Initialize USB core.
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*
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* @param drvIntf pointer to a mutable driver interface object
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*/
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void usbcore_init(UsbDrv_DrvIntf *drvIntf);
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/**
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* Reset USB core.
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*/
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void usbcore_reset();
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/**
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* Write data to an IN Endpoint.
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*
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* @param ep index of the Endpoint
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* @param data pointer to data to be written
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* @param size data length
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* @return number of bytes written
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*/
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uint32_t usbcore_schedule_transmission(uint8_t ep, const uint8_t *data, uint16_t size);
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/**
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* Expect ingress data on an Endpoint.
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*
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* @param ep index of the Endpoint
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* @param size expected reception length
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* @return message length that the endpoint can support during next reception
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*/
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uint32_t usbcore_schedule_reception(uint8_t ep, uint16_t size);
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/**
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* Register a callback for IN transmission completion.
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*
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* @param ep index of the Endpoint
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* @param cb callback function
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*/
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void usbcore_register_IN_callback(uint8_t ep, UsbDrv_IN_cb cb);
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#endif /* CORE_USB_USB */
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