MCUXpresso_LPC55S69/boards/lpcxpresso55s69/usb_examples/usb_device_printer_virtual_plain_text/bm/cm33_core0/usb_device_printer.h
2022-04-08 22:42:47 +08:00

192 lines
8.3 KiB
C

/*
* Copyright (c) 2016, Freescale Semiconductor, Inc.
* Copyright 2016 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __USB_DEVICE_PRINTER_H__
#define __USB_DEVICE_PRINTER_H__
/*!
* @addtogroup usb_device_printer_drv
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @brief The class code of the printer class */
#define USB_DEVICE_CONFIG_PRINTER_CLASS_CODE (0x07U)
/*! @brief class-specific request GET_DEVICE_ID */
#define USB_DEVICE_PRINTER_GET_DEVICE_ID (0x00U)
/*! @brief class-specific request GET_PORT_STATUS */
#define USB_DEVICE_PRINTER_GET_PORT_STATUS (0x01U)
/*! @brief class-specific request SOFT_RESET */
#define USB_DEVICE_PRINTER_SOFT_RESET (0x02U)
/*! @brief Paper empty bit mask for GET_PORT_STATUS */
#define USB_DEVICE_PRINTER_PORT_STATUS_PAPER_EMPTRY_MASK (0x20U)
/*! @brief Select bit mask for GET_PORT_STATUS */
#define USB_DEVICE_PRINTER_PORT_STATUS_SELECT_MASK (0x10U)
/*! @brief Error bit mask for GET_PORT_STATUS */
#define USB_DEVICE_PRINTER_PORT_STATUS_NOT_ERROR_MASK (0x08U)
#define USB_DEVICE_PRINTER_PORT_STATUS_DEFAULT_VALUE \
(USB_DEVICE_PRINTER_PORT_STATUS_SELECT_MASK | USB_DEVICE_PRINTER_PORT_STATUS_NOT_ERROR_MASK)
/*! @brief Available common EVENT types in printer class callback */
typedef enum _usb_device_printer_event
{
kUSB_DevicePrinterEventRecvResponse = 0x01U, /*!< Data received or cancelled etc*/
kUSB_DevicePrinterEventSendResponse, /*!< Data send done or cancelled etc */
kUSB_DevicePrinterEventGetDeviceId, /*!< Get device ID request */
kUSB_DevicePrinterEventGetPortStatus, /*!< Get port status request */
kUSB_DevicePrinterEventSoftReset, /*!< Soft reset request */
} usb_device_printer_event_t;
typedef struct _usb_device_printer_class_request
{
uint8_t *buffer; /*!< The class specific request buffer address */
uint32_t length; /*!< The class specific request buffer length */
uint8_t interface; /*!< The class specific request interface index */
uint8_t alternateSetting; /*!< GET_DEVICE_ID request alternate setting */
uint8_t configIndex; /*!< GET_DEVICE_ID request config index */
} usb_device_printer_class_request_t;
/*! @brief The printer device class instance structure */
typedef struct _usb_device_printer_struct
{
usb_device_handle deviceHandle; /*!< The device handle */
usb_device_class_config_struct_t *classConfig; /*!< The configuration of the class. */
usb_device_interface_struct_t *interfaceHandle; /*!< Current interface handle */
uint8_t *bulkInPipeDataBuffer; /*!< IN pipe data buffer backup when stall */
uint32_t bulkInPipeDataLen; /*!< IN pipe data length backup when stall */
uint8_t *bulkOutPipeDataBuffer; /*!< OUT pipe data buffer backup when stall */
uint32_t bulkOutPipeDataLen; /*!< OUT pipe data length backup when stall */
uint8_t configuration; /*!< Current configuration */
uint8_t interfaceNumber; /*!< Interface number in the device descriptor */
uint8_t alternate; /*!< Interface alternate value */
uint8_t bulkInBusy; /*!< BULK IN pipe busy flag */
uint8_t bulkOutBusy; /*!< BULK OUT pipe busy flag */
uint8_t bulkInPipeStall; /*!< bulk IN pipe stall flag */
uint8_t bulkOutPipeStall; /*!< bulk OUT pipe stall flag */
} usb_device_printer_struct_t;
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif
/*!
* @brief Initializes the printer class.
*
* This function is used to initialize the printer class. This function only can be called by #USB_DeviceClassInit.
*
* @param[in] controllerId The controller ID of the USB IP. See the enumeration #usb_controller_index_t.
* @param[in] config The class configuration information.
* @param[out] handle A parameter used to return a pointer of the printer class handle to the caller.
*
* @return A USB error code or kStatus_USB_Success.
*/
extern usb_status_t USB_DevicePrinterInit(uint8_t controllerId,
usb_device_class_config_struct_t *config,
class_handle_t *handle);
/*!
* @brief De-initializes the device printer class.
*
* The function de-initializes the device printer class. This function only can be called by #USB_DeviceClassDeinit.
*
* @param[in] handle The printer class handle got from usb_device_class_config_struct_t::classHandle.
*
* @return A USB error code or kStatus_USB_Success.
*/
extern usb_status_t USB_DevicePrinterDeinit(class_handle_t handle);
/*!
* @brief Handles the event passed to the printer class.
*
* This function handles the event passed to the printer class. This function only can be called by
* #USB_DeviceClassEvent.
*
* @param[in] handle The printer class handle received from the usb_device_class_config_struct_t::classHandle.
* @param[in] event The event codes. See the enumeration usb_device_class_event_t.
* @param[in,out] param The parameter type is determined by the event code.
*
* @return A USB error code or kStatus_USB_Success.
* @retval kStatus_USB_Success Process event successfully.
* @retval kStatus_USB_InvalidHandle The device handle or parameter is invalid.
* @retval kStatus_USB_InvalidRequest The request is invalid, and the control pipe is stalled by the caller.
*/
extern usb_status_t USB_DevicePrinterEvent(void *handle, uint32_t event, void *param);
/*!
* @name USB device printer class APIs
* @{
*/
/*!
* @brief Sends data through a specified endpoint.
*
* The function is used to send data through a specified endpoint.
* The function calls #USB_DeviceSendRequest internally.
*
* @param[in] handle The printer class handle received from usb_device_class_config_struct_t::classHandle.
* @param[in] ep Endpoint index.
* @param[in] buffer The memory address to hold the data need to be sent.
* @param[in] length The data length to be sent.
*
* @return A USB error code or kStatus_USB_Success.
*
* @note The function can only be called in the same context.
*
* @note The return value indicates whether the sending request is successful or not.
* Currently, only one transfer request can be supported for one specific endpoint.
* If there is a specific requirement to support multiple transfer requests for a specific endpoint, the application
* should implement a queue in the application level.
* The subsequent transfer can begin only when the previous transfer is done (a notification is received through the
* callback).
*/
extern usb_status_t USB_DevicePrinterSend(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length);
/*!
* @brief Receives data through a specified endpoint.
*
* The function is used to receive data through a specified endpoint.
* The function calls #USB_DeviceSendRequest internally.
*
* @param[in] handle The printer class handle received from usb_device_class_config_struct_t::classHandle.
* @param[in] ep Endpoint index.
* @param[in] buffer The memory address to hold the data need to be sent.
* @param[in] length The data length to be sent.
*
* @return A USB error code or kStatus_USB_Success.
*
* @note The function can only be called in the same context.
*
* @note The return value indicates whether the sending request is successful or not.
* Currently, only one transfer request can be supported for one specific endpoint.
* If there is a specific requirement to support multiple transfer requests for a specific endpoint, the application
* should implement a queue in the application level.
* The subsequent transfer can begin only when the previous transfer is done (a notification is received through the
* callback).
*/
extern usb_status_t USB_DevicePrinterRecv(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length);
/*! @}*/
#if defined(__cplusplus)
}
#endif
/*! @}*/
#endif /* __USB_DEVICE_PRINTER_H__ */