2019-03-20 10:11:42 +01:00
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/*
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* The MIT License (MIT)
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*
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2019-05-14 06:48:05 +02:00
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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2019-03-20 10:11:42 +01:00
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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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2018-06-16 07:30:10 +02:00
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#include "tusb_option.h"
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2019-07-19 11:23:56 +02:00
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#if (TUSB_OPT_DEVICE_ENABLED && CFG_TUD_VENDOR)
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2018-06-16 07:30:10 +02:00
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2019-07-19 11:37:28 +02:00
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#include "vendor_device.h"
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2018-06-16 07:30:10 +02:00
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#include "device/usbd_pvt.h"
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2019-07-24 11:08:43 +02:00
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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2018-06-16 07:30:10 +02:00
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typedef struct {
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uint8_t itf_num;
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uint8_t ep_in;
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uint8_t ep_out;
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2019-07-24 11:08:43 +02:00
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/*------------- From this point, data is not cleared by bus reset -------------*/
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tu_fifo_t rx_ff;
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tu_fifo_t tx_ff;
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// Endpoint Transfer buffer
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CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_VENDOR_EPSIZE];
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CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_VENDOR_EPSIZE];
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2019-07-19 15:20:13 +02:00
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} vendord_interface_t;
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2018-06-16 07:30:10 +02:00
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2019-07-24 11:08:43 +02:00
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static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR];
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2018-06-16 07:30:10 +02:00
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2019-07-24 11:08:43 +02:00
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#define ITF_MEM_RESET_SIZE offsetof(vendord_interface_t, rx_ff)
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//--------------------------------------------------------------------+
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// USBD Driver API
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//--------------------------------------------------------------------+
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2019-07-19 15:20:13 +02:00
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void vendord_init(void)
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2018-06-16 07:30:10 +02:00
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{
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2019-07-24 11:08:43 +02:00
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tu_varclr(_vendord_itf);
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2018-06-16 07:30:10 +02:00
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}
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2019-07-19 15:20:13 +02:00
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void vendord_reset(uint8_t rhport)
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2018-06-16 07:30:10 +02:00
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{
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2019-07-24 11:08:43 +02:00
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(void) rhport;
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2019-07-19 15:20:13 +02:00
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2019-07-24 11:08:43 +02:00
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for(uint8_t i=0; i<CFG_TUD_VENDOR; i++)
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{
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tu_memclr(&_vendord_itf[i], ITF_MEM_RESET_SIZE);
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}
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2019-07-19 15:20:13 +02:00
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}
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2019-07-24 11:08:43 +02:00
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bool vendord_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_len)
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2019-07-19 15:20:13 +02:00
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{
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2019-07-24 11:08:43 +02:00
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// Find available interface
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vendord_interface_t* p_vendor = NULL;
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for(uint8_t i=0; i<CFG_TUD_VENDOR; i++)
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{
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if ( _vendord_itf[i].ep_in == 0 && _vendord_itf[i].ep_out == 0 )
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{
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p_vendor = &_vendord_itf[i];
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break;
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}
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}
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TU_VERIFY(p_vendor);
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2018-06-16 07:30:10 +02:00
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// Open endpoint pair with usbd helper
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2019-07-24 11:08:43 +02:00
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TU_ASSERT(usbd_open_edpt_pair(rhport, tu_desc_next(itf_desc), 2, TUSB_XFER_BULK, &p_vendor->ep_out, &p_vendor->ep_in));
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2018-06-16 07:30:10 +02:00
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2019-07-24 11:08:43 +02:00
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p_vendor->itf_num = itf_desc->bInterfaceNumber;
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2018-06-16 07:30:10 +02:00
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(*p_len) = sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t);
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2019-07-24 11:08:43 +02:00
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// Prepare for incoming data
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TU_ASSERT(usbd_edpt_xfer(rhport, p_vendor->ep_out, p_vendor->epout_buf, sizeof(p_vendor->epout_buf)));
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2018-06-16 07:30:10 +02:00
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2018-12-12 07:12:06 +01:00
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return true;
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2018-06-16 07:30:10 +02:00
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}
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2019-07-19 15:20:13 +02:00
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bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
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2018-06-16 07:30:10 +02:00
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{
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2018-12-12 07:12:06 +01:00
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return true;
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2018-06-16 07:30:10 +02:00
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}
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#endif
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