323 lines
11 KiB
C
323 lines
11 KiB
C
/**************************************************************************/
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/*!
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@file usbd.c
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#include "tusb_option.h"
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#if MODE_DEVICE_SUPPORTED
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#define _TINY_USB_SOURCE_FILE_
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "tusb.h"
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#include "tusb_descriptors.h" // TODO callback include
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#include "usbd_dcd.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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usbd_device_info_t usbd_devices[CONTROLLER_DEVICE_NUMBER];
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// TODO fix/compress number of class driver
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static usbd_class_driver_t const usbd_class_drivers[TUSB_CLASS_MAPPED_INDEX_START] =
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{
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#if DEVICE_CLASS_HID
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[TUSB_CLASS_HID] =
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{
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.init = hidd_init,
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.open = hidd_open,
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.control_request = hidd_control_request,
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.isr = hidd_isr,
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.bus_reset = hidd_bus_reset
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},
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#endif
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#if TUSB_CFG_DEVICE_MSC
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[TUSB_CLASS_MSC] =
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{
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.init = mscd_init,
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.open = mscd_open,
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.control_request = mscd_control_request,
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.isr = mscd_isr,
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.bus_reset = mscd_bus_reset
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},
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#endif
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#if TUSB_CFG_DEVICE_CDC
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[TUSB_CLASS_CDC] =
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{
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.init = cdcd_init,
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.open = cdcd_open,
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.control_request = cdcd_control_request,
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.isr = cdcd_isr,
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.bus_reset = cdcd_bus_reset
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},
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#endif
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};
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// APPLICATION INTERFACE
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//--------------------------------------------------------------------+
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bool tusbd_is_configured(uint8_t coreid)
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{
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return usbd_devices[coreid].state == TUSB_DEVICE_STATE_CONFIGURED;
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}
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//--------------------------------------------------------------------+
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// IMPLEMENTATION
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//--------------------------------------------------------------------+
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void usbd_bus_reset(uint32_t coreid)
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{
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memclr_(&usbd_devices[coreid], sizeof(usbd_device_info_t));
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for (tusb_std_class_code_t class_code = TUSB_CLASS_AUDIO; class_code <= TUSB_CLASS_AUDIO_VIDEO; class_code++)
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{
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if ( usbd_class_drivers[class_code].bus_reset )
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{
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usbd_class_drivers[class_code].bus_reset( coreid );
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}
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}
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}
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tusb_error_t usbd_init (void)
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{
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ASSERT_STATUS ( dcd_init() );
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#if (TUSB_CFG_CONTROLLER_0_MODE & TUSB_MODE_DEVICE)
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dcd_controller_connect(0);
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#endif
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#if (TUSB_CFG_CONTROLLER_1_MODE & TUSB_MODE_DEVICE)
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dcd_controller_connect(1);
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#endif
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for (tusb_std_class_code_t class_code = TUSB_CLASS_AUDIO; class_code <= TUSB_CLASS_AUDIO_VIDEO; class_code++)
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{
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if ( usbd_class_drivers[class_code].init )
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{
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usbd_class_drivers[class_code].init();
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}
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}
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return TUSB_ERROR_NONE;
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}
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//--------------------------------------------------------------------+
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// CONTROL REQUEST
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//--------------------------------------------------------------------+
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tusb_error_t usbh_set_configure_received(uint8_t coreid, uint8_t config_number)
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{
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dcd_controller_set_configuration(coreid, config_number);
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usbd_devices[coreid].state = TUSB_DEVICE_STATE_CONFIGURED;
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//------------- parse configuration & open drivers -------------//
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uint8_t* p_desc_configure = (uint8_t*) &app_tusb_desc_configuration;
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uint8_t* p_desc = p_desc_configure + sizeof(tusb_descriptor_configuration_t);
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while( p_desc < p_desc_configure + ((tusb_descriptor_configuration_t*)p_desc_configure)->wTotalLength )
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{
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ASSERT( TUSB_DESC_TYPE_INTERFACE == p_desc[DESCRIPTOR_OFFSET_TYPE], TUSB_ERROR_NOT_SUPPORTED_YET );
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uint8_t class_index;
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tusb_descriptor_interface_t* p_desc_interface = (tusb_descriptor_interface_t*) p_desc;
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class_index = p_desc_interface->bInterfaceClass;
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ASSERT( class_index != 0 && usbd_class_drivers[class_index].open != NULL, TUSB_ERROR_NOT_SUPPORTED_YET );
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ASSERT( 0 == usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber], TUSB_ERROR_FAILED); // duplicate interface number TODO alternate setting
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usbd_devices[coreid].interface2class[p_desc_interface->bInterfaceNumber] = class_index;
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uint16_t length=0;
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ASSERT_STATUS( usbd_class_drivers[class_index].open( coreid, p_desc_interface, &length ) );
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ASSERT( length >= sizeof(tusb_descriptor_interface_t), TUSB_ERROR_FAILED );
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// usbh_devices[new_addr].flag_supported_class |= BIT_(class_index);
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p_desc += length;
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}
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return TUSB_ERROR_NONE;
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}
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tusb_error_t std_get_descriptor(uint8_t coreid, tusb_control_request_t * p_request)
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{
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tusb_std_descriptor_type_t const desc_type = p_request->wValue >> 8;
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uint8_t const desc_index = u16_low_u8( p_request->wValue );
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switch ( desc_type )
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{
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case TUSB_DESC_TYPE_DEVICE:
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dcd_pipe_control_xfer(coreid, TUSB_DIR_DEV_TO_HOST, &app_tusb_desc_device,
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min16_of( p_request->wLength, sizeof(tusb_descriptor_device_t)) );
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break;
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case TUSB_DESC_TYPE_CONFIGURATION:
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dcd_pipe_control_xfer(coreid, TUSB_DIR_DEV_TO_HOST, &app_tusb_desc_configuration,
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min16_of( p_request->wLength, sizeof(app_tusb_desc_configuration)) );
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break;
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case TUSB_DESC_TYPE_STRING:
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dcd_pipe_control_xfer(coreid, TUSB_DIR_DEV_TO_HOST, desc_str_table[desc_index], desc_str_table[desc_index]->bLength);
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break;
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default:
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return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
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}
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return TUSB_ERROR_NONE;
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}
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void usbd_setup_received_isr(uint8_t coreid, tusb_control_request_t * p_request)
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{
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usbd_device_info_t *p_device = &usbd_devices[coreid];
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tusb_error_t error = TUSB_ERROR_NONE;
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switch(p_request->bmRequestType_bit.recipient)
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{
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//------------- Standard Control such as those in enumeration -------------//
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case TUSB_REQUEST_RECIPIENT_DEVICE:
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if (p_request->bmRequestType_bit.type != TUSB_REQUEST_TYPE_STANDARD)
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{
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error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
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}else
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{
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switch ( p_request->bRequest )
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{
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case TUSB_REQUEST_GET_DESCRIPTOR:
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error = std_get_descriptor(coreid, p_request);
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break;
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case TUSB_REQUEST_SET_ADDRESS:
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dcd_controller_set_address(coreid, (uint8_t) p_request->wValue);
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usbd_devices[coreid].state = TUSB_DEVICE_STATE_ADDRESSED;
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dcd_pipe_control_xfer(coreid, TUSB_DIR_HOST_TO_DEV, NULL, 0); // zero length
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break;
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case TUSB_REQUEST_SET_CONFIGURATION:
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usbh_set_configure_received(coreid, (uint8_t) p_request->wValue);
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dcd_pipe_control_xfer(coreid, TUSB_DIR_HOST_TO_DEV, NULL, 0); // zero length
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break;
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default: error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; break;
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}
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}
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break;
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//------------- Class/Interface Specific Reqequest -------------//
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case TUSB_REQUEST_RECIPIENT_INTERFACE:
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{
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tusb_std_class_code_t class_code = p_device->interface2class[ u16_low_u8(p_request->wIndex) ];
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ASSERT_INT_WITHIN(TUSB_CLASS_AUDIO, TUSB_CLASS_AUDIO_VIDEO, class_code, VOID_RETURN);
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if ( usbd_class_drivers[class_code].control_request )
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{
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error = usbd_class_drivers[class_code].control_request(coreid, p_request);
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}
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}
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break;
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//------------- Endpoint Request -------------//
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case TUSB_REQUEST_RECIPIENT_ENDPOINT:
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if (p_request->bmRequestType_bit.type != TUSB_REQUEST_TYPE_STANDARD)
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{
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error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;
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break;
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}
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switch ( p_request->bRequest )
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{
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case TUSB_REQUEST_CLEAR_FEATURE:
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dcd_pipe_clear_stall(coreid, u16_low_u8(p_request->wIndex) );
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dcd_pipe_control_xfer(coreid, TUSB_DIR_HOST_TO_DEV, NULL, 0); // zero length
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break;
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default: error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; break;
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}
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break;
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default: error = TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT; break;
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}
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if(TUSB_ERROR_NONE != error)
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{ // Response with Protocol Stall if request is not supported
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dcd_pipe_control_stall(coreid);
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ASSERT(error == TUSB_ERROR_NONE, VOID_RETURN);
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}
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}
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//--------------------------------------------------------------------+
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// USBD-CLASS API
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// USBD-DCD API
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//--------------------------------------------------------------------+
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void usbd_xfer_isr(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_bytes)
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{
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// usbd_device_info_t *p_device = &usbd_devices[edpt_hdl.coreid];
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uint8_t class_index = std_class_code_to_index(edpt_hdl.class_code);
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if (class_index == 0) // Control Transfer
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{
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}else if (usbd_class_drivers[class_index].isr)
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{
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usbd_class_drivers[class_index].isr(edpt_hdl, event, xferred_bytes);
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}else
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{
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ASSERT(false, VOID_RETURN); // something wrong, no one claims the isr's source
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}
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}
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//--------------------------------------------------------------------+
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// HELPER
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//--------------------------------------------------------------------+
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#endif
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