88 lines
3.2 KiB
C
88 lines
3.2 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#ifndef _TUSB_CDC_NCM_DEVICE_H_
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#define _TUSB_CDC_NCM_DEVICE_H_
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#include "common/tusb_common.h"
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#include "device/usbd.h"
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#include "cdc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef CFG_TUD_NCM_EP_BUFSIZE
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#define CFG_TUD_NCM_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
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#endif
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#ifndef CFG_TUD_NCM_IN_NTB_MAX_SIZE
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#define CFG_TUD_NCM_IN_NTB_MAX_SIZE 3200
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#endif
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#ifndef CFG_TUD_NCM_OUT_NTB_MAX_SIZE
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#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE 3200
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#endif
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#ifndef CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB
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#define CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB 8
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#endif
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#ifndef CFG_TUD_NCM_ALIGNMENT
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#define CFG_TUD_NCM_ALIGNMENT 4
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#endif
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/**
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* Transmit data. Returns true if successful, false if the packet was rejected (transmit buffer full,
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* interface not up).
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*
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* This is structured with a callback to avoid the need for multiple copies; some network stacks,
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* including LwIP, allow for non-contiguous buffers and provide a function to flatten them. In the
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* LwIP case, a thin wrapper around pbuf_copy_partial() can be passed here.
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*/
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bool tud_ncm_xmit(void *arg, uint16_t size, void (*flatten)(void *arg, uint8_t *buffer, uint16_t size));
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//--------------------------------------------------------------------+
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// Application Callback API
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//--------------------------------------------------------------------+
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void tud_ncm_receive_cb(uint8_t *data, size_t length);
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void tud_ncm_link_state_cb(bool state);
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//--------------------------------------------------------------------+
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// INTERNAL USBD-CLASS DRIVER API
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//--------------------------------------------------------------------+
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void ncmd_init (void);
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void ncmd_reset (uint8_t rhport);
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uint16_t ncmd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
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bool ncmd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
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bool ncmd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_CDC_NCM_DEVICE_H_ */
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