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Add CDC NCM driver
This commit is contained in:
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075334af80
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@ -69,7 +69,8 @@ typedef enum
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CDC_COMM_SUBCLASS_DEVICE_MANAGEMENT , ///< Device Management [USBWMC1.1]
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CDC_COMM_SUBCLASS_MOBILE_DIRECT_LINE_MODEL , ///< Mobile Direct Line Model [USBWMC1.1]
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CDC_COMM_SUBCLASS_OBEX , ///< OBEX [USBWMC1.1]
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CDC_COMM_SUBCLASS_ETHERNET_EMULATION_MODEL ///< Ethernet Emulation Model [USBEEM1.0]
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CDC_COMM_SUBCLASS_ETHERNET_EMULATION_MODEL , ///< Ethernet Emulation Model [USBEEM1.0]
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CDC_COMM_SUBCLASS_NETWORK_CONTROL_MODEL ///< Network Control Model [USBNCM1.0]
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} cdc_comm_sublcass_type_t;
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/// Communication Interface Protocol Codes
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@ -114,7 +115,8 @@ typedef enum
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CDC_FUNC_DESC_COMMAND_SET = 0x16 , ///< Command Set Functional Descriptor
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CDC_FUNC_DESC_COMMAND_SET_DETAIL = 0x17 , ///< Command Set Detail Functional Descriptor
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CDC_FUNC_DESC_TELEPHONE_CONTROL_MODEL = 0x18 , ///< Telephone Control Model Functional Descriptor
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CDC_FUNC_DESC_OBEX_SERVICE_IDENTIFIER = 0x19 ///< OBEX Service Identifier Functional Descriptor
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CDC_FUNC_DESC_OBEX_SERVICE_IDENTIFIER = 0x19 , ///< OBEX Service Identifier Functional Descriptor
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CDC_FUNC_DESC_NCM = 0x1A , ///< NCM Functional Descriptor
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}cdc_func_desc_type_t;
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//--------------------------------------------------------------------+
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src/class/cdc/cdc_ncm_device.c
Normal file
493
src/class/cdc/cdc_ncm_device.c
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@ -0,0 +1,493 @@
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/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Jacob Berg Potter
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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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#include "tusb_option.h"
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#if ( TUSB_OPT_DEVICE_ENABLED && CFG_TUD_NCM )
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#include "device/usbd_pvt.h"
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#include "cdc_device.h"
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#include "cdc_ncm_device.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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#define NTH16_SIGNATURE 0x484D434E
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#define NDP16_SIGNATURE_NCM0 0x304D434E
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#define NDP16_SIGNATURE_NCM1 0x314D434E
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typedef struct
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{
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uint8_t itf_num; // Index number of Management Interface, +1 for Data Interface
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uint8_t itf_data_alt; // Alternate setting of Data Interface. 0 : inactive, 1 : active
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uint8_t ep_notif;
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uint8_t ep_in;
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uint8_t ep_out;
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// Endpoint descriptor use to open/close when receving SetInterface
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// TODO since configuration descriptor may not be long-lived memory, we should
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// keep a copy of endpoint attribute instead
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uint8_t const * ecm_desc_epdata;
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enum {
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REPORT_SPEED,
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REPORT_CONNECTED,
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REPORT_DONE
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} report_state;
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bool report_pending;
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uint8_t current_ntb; // Index in transmit_ntb[] that is currently being filled with datagrams
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uint8_t datagram_count; // Number of datagrams in transmit_ntb[current_ntb]
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uint16_t next_datagram_offset; // Offset in transmit_ntb[current_ntb].data to place the next datagram
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uint16_t ntb_in_size; // Maximum size of transmitted (IN to host) NTBs; initially CFG_TUD_NCM_IN_NTB_MAX_SIZE
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uint8_t max_datagrams_per_ntb; // Maximum number of datagrams per NTB; initially CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB
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uint16_t nth_sequence; // Sequence number counter for transmitted NTBs
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bool transferring;
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} ncm_interface_t;
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typedef struct TU_ATTR_PACKED
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{
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uint16_t wLength;
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uint16_t bmNtbFormatsSupported;
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uint32_t dwNtbInMaxSize;
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uint16_t wNdbInDivisor;
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uint16_t wNdbInPayloadRemainder;
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uint16_t wNdbInAlignment;
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uint16_t wReserved;
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uint32_t dwNtbOutMaxSize;
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uint16_t wNdbOutDivisor;
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uint16_t wNdbOutPayloadRemainder;
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uint16_t wNdbOutAlignment;
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uint16_t wNtbOutMaxDatagrams;
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} ntb_parameters_t;
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typedef struct TU_ATTR_PACKED
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{
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uint32_t dwSignature;
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uint16_t wHeaderLength;
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uint16_t wSequence;
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uint16_t wBlockLength;
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uint16_t wNdpIndex;
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} nth16_t;
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typedef struct TU_ATTR_PACKED
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{
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uint16_t wDatagramIndex;
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uint16_t wDatagramLength;
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} ndp16_datagram_t;
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typedef struct TU_ATTR_PACKED
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{
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uint32_t dwSignature;
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uint16_t wLength;
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uint16_t wNextNdpIndex;
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ndp16_datagram_t datagram[];
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} ndp16_t;
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typedef union TU_ATTR_PACKED {
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struct {
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nth16_t nth;
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ndp16_t ndp;
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};
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uint8_t data[CFG_TUD_NCM_IN_NTB_MAX_SIZE];
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} transmit_ntb_t;
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struct ecm_notify_struct
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{
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tusb_control_request_t header;
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uint32_t downlink, uplink;
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};
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static const ntb_parameters_t ntb_parameters = {
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.wLength = sizeof(ntb_parameters_t),
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.bmNtbFormatsSupported = 0x01,
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.dwNtbInMaxSize = CFG_TUD_NCM_IN_NTB_MAX_SIZE,
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.wNdbInDivisor = 4,
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.wNdbInPayloadRemainder = 0,
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.wNdbInAlignment = CFG_TUD_NCM_ALIGNMENT,
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.wReserved = 0,
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.dwNtbOutMaxSize = CFG_TUD_NCM_OUT_NTB_MAX_SIZE,
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.wNdbOutDivisor = 4,
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.wNdbOutPayloadRemainder = 0,
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.wNdbOutAlignment = CFG_TUD_NCM_ALIGNMENT,
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.wNtbOutMaxDatagrams = 0
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};
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CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static transmit_ntb_t transmit_ntb[2];
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CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t receive_ntb[CFG_TUD_NCM_OUT_NTB_MAX_SIZE];
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static ncm_interface_t ncm_interface;
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/*
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* Set up the NTB state in ncm_interface to be ready to add datagrams.
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*/
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static void ncm_prepare_for_tx() {
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ncm_interface.datagram_count = 0;
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// datagrams start after all the headers
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ncm_interface.next_datagram_offset = sizeof(nth16_t) + sizeof(ndp16_t)
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+ ((CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB + 1) * sizeof(ndp16_datagram_t));
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}
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/*
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* If not already transmitting, start sending the current NTB to the host and swap buffers
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* to start filling the other one with datagrams.
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*/
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static void ncm_start_tx() {
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if (ncm_interface.transferring) {
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return;
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}
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transmit_ntb_t *ntb = &transmit_ntb[ncm_interface.current_ntb];
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size_t ntb_length = ncm_interface.next_datagram_offset;
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// Fill in NTB header
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ntb->nth.dwSignature = NTH16_SIGNATURE;
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ntb->nth.wHeaderLength = sizeof(nth16_t);
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ntb->nth.wSequence = ncm_interface.nth_sequence++;
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ntb->nth.wBlockLength = ntb_length;
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ntb->nth.wNdpIndex = sizeof(nth16_t);
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// Fill in NDP16 header and terminator
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ntb->ndp.dwSignature = NDP16_SIGNATURE_NCM0;
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ntb->ndp.wLength = sizeof(ndp16_t) + (ncm_interface.datagram_count + 1) * sizeof(ndp16_datagram_t);
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ntb->ndp.wNextNdpIndex = 0;
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ntb->ndp.datagram[ncm_interface.datagram_count].wDatagramIndex = 0;
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ntb->ndp.datagram[ncm_interface.datagram_count].wDatagramLength = 0;
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// Kick off an endpoint transfer
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usbd_edpt_xfer(TUD_OPT_RHPORT, ncm_interface.ep_in, ntb->data, ntb_length);
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ncm_interface.transferring = true;
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// Swap to the other NTB and clear it out
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ncm_interface.current_ntb = 1 - ncm_interface.current_ntb;
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ncm_prepare_for_tx();
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}
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static struct ecm_notify_struct ncm_notify_connected =
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{
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.header = {
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.bmRequestType = 0xA1,
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.bRequest = 0 /* NETWORK_CONNECTION aka NetworkConnection */,
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.wValue = 1 /* Connected */,
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.wLength = 0,
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},
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};
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static struct ecm_notify_struct ncm_notify_speed_change =
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{
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.header = {
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.bmRequestType = 0xA1,
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.bRequest = 0x2A /* CONNECTION_SPEED_CHANGE aka ConnectionSpeedChange */,
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.wLength = 8,
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},
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.downlink = 10000000,
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.uplink = 10000000,
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};
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void ncm_receive_renew(void)
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{
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usbd_edpt_xfer(TUD_OPT_RHPORT, ncm_interface.ep_out, receive_ntb, sizeof(receive_ntb));
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}
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//--------------------------------------------------------------------+
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// USBD Driver API
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//--------------------------------------------------------------------+
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void ncmd_init(void)
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{
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tu_memclr(&ncm_interface, sizeof(ncm_interface));
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ncm_interface.ntb_in_size = CFG_TUD_NCM_IN_NTB_MAX_SIZE;
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ncm_interface.max_datagrams_per_ntb = CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB;
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ncm_prepare_for_tx();
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}
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void ncmd_reset(uint8_t rhport)
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{
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(void) rhport;
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ncmd_init();
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}
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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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{
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// confirm interface hasn't already been allocated
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TU_ASSERT(0 == ncm_interface.ep_notif, 0);
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//------------- Management Interface -------------//
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ncm_interface.itf_num = itf_desc->bInterfaceNumber;
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uint16_t drv_len = sizeof(tusb_desc_interface_t);
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uint8_t const * p_desc = tu_desc_next( itf_desc );
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// Communication Functional Descriptors
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while ( TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc) && drv_len <= max_len )
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{
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drv_len += tu_desc_len(p_desc);
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p_desc = tu_desc_next(p_desc);
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}
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// notification endpoint (if any)
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if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) )
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{
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TU_ASSERT( usbd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc), 0 );
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ncm_interface.ep_notif = ((tusb_desc_endpoint_t const *) p_desc)->bEndpointAddress;
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drv_len += tu_desc_len(p_desc);
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p_desc = tu_desc_next(p_desc);
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}
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//------------- Data Interface -------------//
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// - CDC-NCM data interface has 2 alternate settings
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// - 0 : zero endpoints for inactive (default)
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// - 1 : IN & OUT endpoints for transfer of NTBs
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TU_ASSERT(TUSB_DESC_INTERFACE == tu_desc_type(p_desc), 0);
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do
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{
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tusb_desc_interface_t const * data_itf_desc = (tusb_desc_interface_t const *) p_desc;
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TU_ASSERT(TUSB_CLASS_CDC_DATA == data_itf_desc->bInterfaceClass, 0);
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drv_len += tu_desc_len(p_desc);
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p_desc = tu_desc_next(p_desc);
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} while((TUSB_DESC_INTERFACE == tu_desc_type(p_desc)) && (drv_len <= max_len));
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// Pair of endpoints
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TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(p_desc), 0);
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// ECM by default is in-active, save the endpoint attribute
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// to open later when receive_ntb setInterface
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ncm_interface.ecm_desc_epdata = p_desc;
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drv_len += 2*sizeof(tusb_desc_endpoint_t);
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return drv_len;
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}
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// Invoked when class request DATA stage is finished.
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bool ncmd_control_complete(uint8_t rhport, tusb_control_request_t const * request)
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{
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(void) rhport;
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(void) request;
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return true;
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}
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static void ncm_report()
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{
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if (ncm_interface.report_state == REPORT_SPEED) {
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ncm_notify_speed_change.header.wIndex = ncm_interface.itf_num;
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usbd_edpt_xfer(TUD_OPT_RHPORT, ncm_interface.ep_notif, (uint8_t *) &ncm_notify_speed_change, sizeof(ncm_notify_speed_change));
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ncm_interface.report_state = REPORT_CONNECTED;
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ncm_interface.report_pending = true;
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} else if (ncm_interface.report_state == REPORT_CONNECTED) {
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ncm_notify_connected.header.wIndex = ncm_interface.itf_num;
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usbd_edpt_xfer(TUD_OPT_RHPORT, ncm_interface.ep_notif, (uint8_t *) &ncm_notify_connected, sizeof(ncm_notify_connected));
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ncm_interface.report_state = REPORT_DONE;
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ncm_interface.report_pending = true;
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}
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}
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// Handle class control request
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// return false to stall control endpoint (e.g unsupported request)
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bool ncmd_control_request(uint8_t rhport, tusb_control_request_t const * request)
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{
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switch ( request->bmRequestType_bit.type )
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{
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case TUSB_REQ_TYPE_STANDARD:
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switch ( request->bRequest )
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{
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case TUSB_REQ_GET_INTERFACE:
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{
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uint8_t const req_itfnum = (uint8_t) request->wIndex;
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TU_VERIFY(ncm_interface.itf_num + 1 == req_itfnum);
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tud_control_xfer(rhport, request, &ncm_interface.itf_data_alt, 1);
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}
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break;
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case TUSB_REQ_SET_INTERFACE:
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{
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uint8_t const req_itfnum = (uint8_t) request->wIndex;
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uint8_t const req_alt = (uint8_t) request->wValue;
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// Only valid for Data Interface with Alternate is either 0 or 1
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TU_VERIFY(ncm_interface.itf_num + 1 == req_itfnum && req_alt < 2);
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ncm_interface.itf_data_alt = req_alt;
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if ( ncm_interface.itf_data_alt )
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{
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// TODO since we don't actually close endpoint
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// hack here to not re-open it
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if (ncm_interface.ep_in == 0 && ncm_interface.ep_out == 0)
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{
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TU_ASSERT(ncm_interface.ecm_desc_epdata);
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TU_ASSERT( usbd_open_edpt_pair(rhport, ncm_interface.ecm_desc_epdata, 2, TUSB_XFER_BULK, &ncm_interface.ep_out, &ncm_interface.ep_in) );
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// TODO set flag indicating tx allowed?
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ncm_receive_renew(); // prepare for incoming datagrams
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tud_ncm_link_state_cb(true);
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}
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} else {
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// TODO close the endpoint pair
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// For now pretend that we did, this should have no harm since host won't try to
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// communicate with the endpoints again
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// ncm_interface.ep_in = ncm_interface.ep_out = 0
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// ncm_interface.report_pending = 0;
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}
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tud_control_status(rhport, request);
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if (!ncm_interface.report_pending) ncm_report();
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}
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break;
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// unsupported request
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default: return false;
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}
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break;
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case TUSB_REQ_TYPE_CLASS:
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TU_VERIFY (ncm_interface.itf_num == request->wIndex);
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if (0x80 /* GET_NTB_PARAMETERS */ == request->bRequest)
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{
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tud_control_xfer(rhport, request, (void*)&ntb_parameters, sizeof(ntb_parameters));
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}
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break;
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// unsupported request
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default: return false;
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}
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return true;
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}
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static void handle_incoming_datagram(uint32_t len)
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{
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uint32_t size = len;
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if (len == 0) {
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return;
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}
|
||||
|
||||
TU_ASSERT(size >= sizeof(nth16_t), );
|
||||
|
||||
const nth16_t *hdr = (const nth16_t *)receive_ntb;
|
||||
TU_ASSERT(hdr->dwSignature == NTH16_SIGNATURE, );
|
||||
TU_ASSERT(hdr->wNdpIndex >= sizeof(nth16_t) && (hdr->wNdpIndex + sizeof(ndp16_t)) <= len, );
|
||||
|
||||
const ndp16_t *ndp = (const ndp16_t *)(receive_ntb + hdr->wNdpIndex);
|
||||
TU_ASSERT(ndp->dwSignature == NDP16_SIGNATURE_NCM0 || ndp->dwSignature == NDP16_SIGNATURE_NCM1, );
|
||||
TU_ASSERT(hdr->wNdpIndex + ndp->wLength <= len, );
|
||||
|
||||
int num_datagrams = (ndp->wLength - 12) / 4;
|
||||
for (int i = 0; i < num_datagrams && ndp->datagram[i].wDatagramIndex && ndp->datagram[i].wDatagramLength; i++) {
|
||||
tud_ncm_receive_cb(receive_ntb + ndp->datagram[i].wDatagramIndex, ndp->datagram[i].wDatagramLength);
|
||||
}
|
||||
|
||||
ncm_receive_renew();
|
||||
}
|
||||
|
||||
bool ncmd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
|
||||
{
|
||||
(void) rhport;
|
||||
(void) result;
|
||||
|
||||
/* new datagram receive_ntb */
|
||||
if (ep_addr == ncm_interface.ep_out )
|
||||
{
|
||||
handle_incoming_datagram(xferred_bytes);
|
||||
}
|
||||
|
||||
/* data transmission finished */
|
||||
if (ep_addr == ncm_interface.ep_in )
|
||||
{
|
||||
if (ncm_interface.transferring) {
|
||||
ncm_interface.transferring = false;
|
||||
}
|
||||
|
||||
// If there are datagrams queued up that we tried to send while this NTB was being emitted, send them now
|
||||
if (ncm_interface.datagram_count) {
|
||||
ncm_start_tx();
|
||||
}
|
||||
}
|
||||
|
||||
if (ep_addr == ncm_interface.ep_notif )
|
||||
{
|
||||
ncm_interface.report_pending = false;
|
||||
ncm_report();
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool tud_ncm_xmit(void *arg, uint16_t size, void (*flatten)(void *, uint8_t *, uint16_t)) {
|
||||
transmit_ntb_t *ntb = &transmit_ntb[ncm_interface.current_ntb];
|
||||
|
||||
if (ncm_interface.datagram_count >= ncm_interface.max_datagrams_per_ntb) {
|
||||
return false;
|
||||
}
|
||||
|
||||
size_t next_datagram_offset = ncm_interface.next_datagram_offset;
|
||||
if (next_datagram_offset + size > ncm_interface.ntb_in_size) {
|
||||
return false;
|
||||
}
|
||||
|
||||
flatten(arg, ntb->data + next_datagram_offset, size);
|
||||
|
||||
ntb->ndp.datagram[ncm_interface.datagram_count].wDatagramIndex = ncm_interface.next_datagram_offset;
|
||||
ntb->ndp.datagram[ncm_interface.datagram_count].wDatagramLength = size;
|
||||
|
||||
ncm_interface.datagram_count++;
|
||||
next_datagram_offset += size;
|
||||
|
||||
// round up so the next datagram is aligned correctly
|
||||
next_datagram_offset += (CFG_TUD_NCM_ALIGNMENT - 1);
|
||||
next_datagram_offset -= (next_datagram_offset % CFG_TUD_NCM_ALIGNMENT);
|
||||
|
||||
ncm_interface.next_datagram_offset = next_datagram_offset;
|
||||
|
||||
ncm_start_tx();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#endif
|
88
src/class/cdc/cdc_ncm_device.h
Normal file
88
src/class/cdc/cdc_ncm_device.h
Normal file
@ -0,0 +1,88 @@
|
||||
/*
|
||||
* The MIT License (MIT)
|
||||
*
|
||||
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
* This file is part of the TinyUSB stack.
|
||||
*/
|
||||
|
||||
#ifndef _TUSB_CDC_NCM_DEVICE_H_
|
||||
#define _TUSB_CDC_NCM_DEVICE_H_
|
||||
|
||||
#include "common/tusb_common.h"
|
||||
#include "device/usbd.h"
|
||||
#include "cdc.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUD_NCM_EP_BUFSIZE
|
||||
#define CFG_TUD_NCM_EP_BUFSIZE (TUD_OPT_HIGH_SPEED ? 512 : 64)
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUD_NCM_IN_NTB_MAX_SIZE
|
||||
#define CFG_TUD_NCM_IN_NTB_MAX_SIZE 3200
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUD_NCM_OUT_NTB_MAX_SIZE
|
||||
#define CFG_TUD_NCM_OUT_NTB_MAX_SIZE 3200
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB
|
||||
#define CFG_TUD_NCM_MAX_DATAGRAMS_PER_NTB 8
|
||||
#endif
|
||||
|
||||
#ifndef CFG_TUD_NCM_ALIGNMENT
|
||||
#define CFG_TUD_NCM_ALIGNMENT 4
|
||||
#endif
|
||||
|
||||
/**
|
||||
* Transmit data. Returns true if successful, false if the packet was rejected (transmit buffer full,
|
||||
* interface not up).
|
||||
*
|
||||
* This is structured with a callback to avoid the need for multiple copies; some network stacks,
|
||||
* including LwIP, allow for non-contiguous buffers and provide a function to flatten them. In the
|
||||
* LwIP case, a thin wrapper around pbuf_copy_partial() can be passed here.
|
||||
*/
|
||||
bool tud_ncm_xmit(void *arg, uint16_t size, void (*flatten)(void *arg, uint8_t *buffer, uint16_t size));
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// Application Callback API
|
||||
//--------------------------------------------------------------------+
|
||||
void tud_ncm_receive_cb(uint8_t *data, size_t length);
|
||||
void tud_ncm_link_state_cb(bool state);
|
||||
|
||||
//--------------------------------------------------------------------+
|
||||
// INTERNAL USBD-CLASS DRIVER API
|
||||
//--------------------------------------------------------------------+
|
||||
void ncmd_init (void);
|
||||
void ncmd_reset (uint8_t rhport);
|
||||
uint16_t ncmd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
|
||||
bool ncmd_control_request (uint8_t rhport, tusb_control_request_t const * request);
|
||||
bool ncmd_control_complete (uint8_t rhport, tusb_control_request_t const * request);
|
||||
bool ncmd_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _TUSB_CDC_NCM_DEVICE_H_ */
|
@ -220,6 +220,19 @@ static usbd_class_driver_t const _usbd_driver[] =
|
||||
.sof = NULL
|
||||
},
|
||||
#endif
|
||||
|
||||
#if CFG_TUD_NCM
|
||||
{
|
||||
DRIVER_NAME("NCM")
|
||||
.init = ncmd_init,
|
||||
.reset = ncmd_reset,
|
||||
.open = ncmd_open,
|
||||
.control_request = ncmd_control_request,
|
||||
.control_complete = ncmd_control_complete,
|
||||
.xfer_cb = ncmd_xfer_cb,
|
||||
.sof = NULL
|
||||
},
|
||||
#endif
|
||||
};
|
||||
|
||||
enum { BUILTIN_DRIVER_COUNT = TU_ARRAY_SIZE(_usbd_driver) };
|
||||
|
@ -671,6 +671,39 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
|
||||
TUD_BTH_PRI_ITF(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size) \
|
||||
TUD_BTH_ISO_ITFS(_itfnum + 1, _ep_in + 1, _ep_out + 1, __VA_ARGS__)
|
||||
|
||||
|
||||
//------------- CDC-NCM -------------//
|
||||
|
||||
// Length of template descriptor
|
||||
#define TUD_CDC_NCM_DESC_LEN (8+9+5+5+13+6+7+9+9+7+7)
|
||||
|
||||
// CDC-ECM Descriptor Template
|
||||
// Interface number, description string index, MAC address string index, EP notification address and size, EP data address (out, in), and size, max segment size.
|
||||
#define TUD_CDC_NCM_DESCRIPTOR(_itfnum, _desc_stridx, _mac_stridx, _ep_notif, _ep_notif_size, _epout, _epin, _epsize, _maxsegmentsize) \
|
||||
/* Interface Association */\
|
||||
8, TUSB_DESC_INTERFACE_ASSOCIATION, _itfnum, 2, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_NETWORK_CONTROL_MODEL, 0, 0,\
|
||||
/* CDC Control Interface */\
|
||||
9, TUSB_DESC_INTERFACE, _itfnum, 0, 1, TUSB_CLASS_CDC, CDC_COMM_SUBCLASS_NETWORK_CONTROL_MODEL, 0, _desc_stridx,\
|
||||
/* CDC-NCM Header */\
|
||||
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_HEADER, U16_TO_U8S_LE(0x0110),\
|
||||
/* CDC-NCM Union */\
|
||||
5, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_UNION, _itfnum, (uint8_t)((_itfnum) + 1),\
|
||||
/* CDC-ECM Functional Descriptor */\
|
||||
13, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_ETHERNET_NETWORKING, _mac_stridx, 0, 0, 0, 0, U16_TO_U8S_LE(_maxsegmentsize), U16_TO_U8S_LE(0), 0, \
|
||||
/* CDC-ECM Functional Descriptor */\
|
||||
6, TUSB_DESC_CS_INTERFACE, CDC_FUNC_DESC_NCM, U16_TO_U8S_LE(0x0100), 0, \
|
||||
/* Endpoint Notification */\
|
||||
7, TUSB_DESC_ENDPOINT, _ep_notif, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_notif_size), 1,\
|
||||
/* CDC Data Interface (default inactive) */\
|
||||
9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 0, 0, TUSB_CLASS_CDC_DATA, 0, 1, 0,\
|
||||
/* CDC Data Interface (alternative active) */\
|
||||
9, TUSB_DESC_INTERFACE, (uint8_t)((_itfnum)+1), 1, 2, TUSB_CLASS_CDC_DATA, 0, 1, 0,\
|
||||
/* Endpoint In */\
|
||||
7, TUSB_DESC_ENDPOINT, _epin, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0,\
|
||||
/* Endpoint Out */\
|
||||
7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
@ -103,6 +103,10 @@
|
||||
#if CFG_TUD_BTH
|
||||
#include "class/bth/bth_device.h"
|
||||
#endif
|
||||
|
||||
#if CFG_TUD_NCM
|
||||
#include "class/cdc/cdc_ncm_device.h"
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user