hathach
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020, 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 CFG_TUH_ENABLED && 0
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#include "tusb.h"
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#include "usbh_classdriver.h"
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typedef struct
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{
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tusb_control_request_t request TU_ATTR_ALIGNED(4);
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uint8_t* buffer;
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tuh_control_complete_cb_t complete_cb;
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uint8_t daddr;
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} usbh_control_xfer_t;
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static usbh_control_xfer_t _xfer;
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static uint8_t _stage = CONTROL_STAGE_IDLE;
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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uint8_t usbh_control_xfer_stage(void)
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{
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return _stage;
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}
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bool usbh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb)
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{
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// TODO need to claim the endpoint first
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const uint8_t rhport = usbh_get_rhport(dev_addr);
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_ctrl_xfer.xfer.daddr = dev_addr;
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_ctrl_xfer.xfer.request = (*request);
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_ctrl_xfer.xfer.buffer = buffer;
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_ctrl_xfer.xfer.complete_cb = complete_cb;
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_stage = CONTROL_STAGE_SETUP;
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// Send setup packet
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TU_ASSERT( hcd_setup_send(rhport, dev_addr, (uint8_t const*) &_ctrl_xfer.xfer.request) );
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return true;
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}
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void usbh_control_xfer_abort(uint8_t dev_addr)
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{
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if (_ctrl_xfer.xfer.daddr == dev_addr) _stage = CONTROL_STAGE_IDLE;
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}
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static void _xfer_complete(uint8_t dev_addr, xfer_result_t result)
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{
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TU_LOG2("\r\n");
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if (_ctrl_xfer.xfer.complete_cb) _ctrl_xfer.xfer.complete_cb(dev_addr, &_ctrl_xfer.xfer.request, result);
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}
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#endif
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