88 lines
3.4 KiB
C
88 lines
3.4 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Peter Lawrence
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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_NET_DEVICE_H_
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#define _TUSB_NET_DEVICE_H_
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#include "common/tusb_common.h"
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#include "device/usbd.h"
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#include "class/cdc/cdc.h"
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// TODO should not include external files
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#include "lwip/pbuf.h"
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#include "netif/ethernet.h"
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/* declared here, NOT in usb_descriptors.c, so that the driver can intelligently ZLP as needed */
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#define CFG_TUD_NET_ENDPOINT_SIZE ((CFG_TUSB_RHPORT0_MODE & OPT_MODE_HIGH_SPEED) ? 512 : 64)
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/* Maximum Tranmission Unit (in bytes) of the network, including Ethernet header */
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#define CFG_TUD_NET_MTU (1500 + SIZEOF_ETH_HDR)
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------+
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// Application API
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//--------------------------------------------------------------------+
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// client must provide this: initialize any network state back to the beginning
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void tud_network_init_cb(void);
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// client must provide this: return false if the packet buffer was not accepted
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bool tud_network_recv_cb(struct pbuf *p);
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// client must provide this: 48-bit MAC address
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// TODO removed later since it is not part of tinyusb stack
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extern const uint8_t tud_network_mac_address[6];
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// indicate to network driver that client has finished with the packet provided to network_recv_cb()
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void tud_network_recv_renew(void);
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// poll network driver for its ability to accept another packet to transmit
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bool tud_network_can_xmit(void);
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// if network_can_xmit() returns true, network_xmit() can be called once
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void tud_network_xmit(struct pbuf *p);
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//--------------------------------------------------------------------+
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// INTERNAL USBD-CLASS DRIVER API
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//--------------------------------------------------------------------+
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void netd_init (void);
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void netd_reset (uint8_t rhport);
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bool netd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length);
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bool netd_control_request (uint8_t rhport, tusb_control_request_t const * request);
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bool netd_control_complete (uint8_t rhport, tusb_control_request_t const * request);
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bool netd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
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void netd_report (uint8_t *buf, uint16_t len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_NET_DEVICE_H_ */
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