147 lines
5.2 KiB
C
147 lines
5.2 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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#include "tusb_option.h"
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#if (TUSB_OPT_HOST_ENABLED && CFG_TUH_VENDOR)
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "host/usbh.h"
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#include "vendor_host.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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custom_interface_info_t custom_interface[CFG_TUH_DEVICE_MAX];
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static tusb_error_t cush_validate_paras(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void * p_buffer, uint16_t length)
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{
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if ( !tusbh_custom_is_mounted(dev_addr, vendor_id, product_id) )
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{
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return TUSB_ERROR_DEVICE_NOT_READY;
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}
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TU_ASSERT( p_buffer != NULL && length != 0, TUSB_ERROR_INVALID_PARA);
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return TUSB_ERROR_NONE;
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}
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//--------------------------------------------------------------------+
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// APPLICATION API (need to check parameters)
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//--------------------------------------------------------------------+
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tusb_error_t tusbh_custom_read(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void * p_buffer, uint16_t length)
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{
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TU_ASSERT_ERR( cush_validate_paras(dev_addr, vendor_id, product_id, p_buffer, length) );
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if ( !hcd_pipe_is_idle(custom_interface[dev_addr-1].pipe_in) )
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{
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return TUSB_ERROR_INTERFACE_IS_BUSY;
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}
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(void) usbh_edpt_xfer( custom_interface[dev_addr-1].pipe_in, p_buffer, length);
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return TUSB_ERROR_NONE;
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}
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tusb_error_t tusbh_custom_write(uint8_t dev_addr, uint16_t vendor_id, uint16_t product_id, void const * p_data, uint16_t length)
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{
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TU_ASSERT_ERR( cush_validate_paras(dev_addr, vendor_id, product_id, p_data, length) );
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if ( !hcd_pipe_is_idle(custom_interface[dev_addr-1].pipe_out) )
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{
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return TUSB_ERROR_INTERFACE_IS_BUSY;
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}
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(void) usbh_edpt_xfer( custom_interface[dev_addr-1].pipe_out, p_data, length);
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return TUSB_ERROR_NONE;
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}
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//--------------------------------------------------------------------+
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// USBH-CLASS API
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//--------------------------------------------------------------------+
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void cush_init(void)
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{
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tu_memclr(&custom_interface, sizeof(custom_interface_info_t) * CFG_TUH_DEVICE_MAX);
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}
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tusb_error_t cush_open_subtask(uint8_t dev_addr, tusb_desc_interface_t const *p_interface_desc, uint16_t *p_length)
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{
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// FIXME quick hack to test lpc1k custom class with 2 bulk endpoints
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uint8_t const *p_desc = (uint8_t const *) p_interface_desc;
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p_desc = tu_desc_next(p_desc);
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//------------- Bulk Endpoints Descriptor -------------//
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for(uint32_t i=0; i<2; i++)
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{
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tusb_desc_endpoint_t const *p_endpoint = (tusb_desc_endpoint_t const *) p_desc;
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TU_ASSERT(TUSB_DESC_ENDPOINT == p_endpoint->bDescriptorType, TUSB_ERROR_INVALID_PARA);
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pipe_handle_t * p_pipe_hdl = ( p_endpoint->bEndpointAddress & TUSB_DIR_IN_MASK ) ?
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&custom_interface[dev_addr-1].pipe_in : &custom_interface[dev_addr-1].pipe_out;
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*p_pipe_hdl = usbh_edpt_open(dev_addr, p_endpoint, TUSB_CLASS_VENDOR_SPECIFIC);
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TU_ASSERT ( pipehandle_is_valid(*p_pipe_hdl), TUSB_ERROR_HCD_OPEN_PIPE_FAILED );
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p_desc = tu_desc_next(p_desc);
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}
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(*p_length) = sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t);
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return TUSB_ERROR_NONE;
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}
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void cush_isr(pipe_handle_t pipe_hdl, xfer_result_t event)
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{
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}
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void cush_close(uint8_t dev_addr)
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{
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tusb_error_t err1, err2;
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custom_interface_info_t * p_interface = &custom_interface[dev_addr-1];
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// TODO re-consider to check pipe valid before calling pipe_close
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if( pipehandle_is_valid( p_interface->pipe_in ) )
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{
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err1 = hcd_pipe_close( p_interface->pipe_in );
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}
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if ( pipehandle_is_valid( p_interface->pipe_out ) )
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{
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err2 = hcd_pipe_close( p_interface->pipe_out );
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}
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tu_memclr(p_interface, sizeof(custom_interface_info_t));
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TU_ASSERT(err1 == TUSB_ERROR_NONE && err2 == TUSB_ERROR_NONE, (void) 0 );
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}
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#endif
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