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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** USBX Component */ |
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/** */ |
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/** Host Stack */ |
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/** */ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/* Include necessary system files. */ |
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#define UX_SOURCE_CODE |
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#include "ux_api.h" |
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#include "ux_host_stack.h" |
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UX_COMPILE_TIME_ASSERT(!UX_OVERFLOW_CHECK_MULC_ULONG(sizeof(UX_HCD), UX_MAX_HCD), UX_MAX_HCD_mul_ovf) |
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UX_COMPILE_TIME_ASSERT(!UX_OVERFLOW_CHECK_MULC_ULONG(sizeof(UX_HOST_CLASS), UX_MAX_CLASS_DRIVER), UX_MAX_CLASS_DRIVER_mul_ovf) |
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UX_COMPILE_TIME_ASSERT(!UX_OVERFLOW_CHECK_MULC_ULONG(sizeof(UX_DEVICE), UX_MAX_DEVICES), UX_MAX_DEVICES_mul_ovf) |
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#ifndef UX_HOST_HNP_POLLING_THREAD_STACK_SIZE |
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#define UX_HOST_HNP_POLLING_THREAD_STACK_SIZE UX_THREAD_STACK_SIZE |
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#endif |
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/* Defined USBX host variables. */ |
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UX_SYSTEM_HOST *_ux_system_host; |
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/* Define table of periodic tree entries, properly indexed. */ |
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UINT _ux_system_host_hcd_periodic_tree_entries[32] = { |
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0x00, 0x10, 0x08, 0x18, 0x04, 0x14, 0x0c, 0x1c, |
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0x02, 0x12, 0x0a, 0x1a, 0x06, 0x16, 0x0e, 0x1e, |
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0x01, 0x11, 0x09, 0x19, 0x05, 0x15, 0x0d, 0x1d, |
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0x03, 0x13, 0x0b, 0x1b, 0x07, 0x17, 0x0f, 0x1f}; |
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/* Define the names of all the USB Classes of USBX. */ |
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UCHAR _ux_system_host_class_hub_name[] = "ux_host_class_hub"; |
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UCHAR _ux_system_host_class_printer_name[] = "ux_host_class_printer"; |
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UCHAR _ux_system_host_class_storage_name[] = "ux_host_class_storage"; |
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UCHAR _ux_system_host_class_hid_name[] = "ux_host_class_hid"; |
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UCHAR _ux_system_host_class_audio_name[] = "ux_host_class_audio"; |
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UCHAR _ux_system_host_class_cdc_acm_name[] = "ux_host_class_cdc_acm"; |
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UCHAR _ux_system_host_class_cdc_dlc_name[] = "ux_host_class_cdc_dlc"; |
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UCHAR _ux_system_host_class_cdc_ecm_name[] = "ux_host_class_cdc_ecm"; |
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UCHAR _ux_system_host_class_prolific_name[] = "ux_host_class_prolific"; |
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UCHAR _ux_system_host_class_pima_name[] = "ux_host_class_pima"; |
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UCHAR _ux_system_host_class_dpump_name[] = "ux_host_class_dpump"; |
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UCHAR _ux_system_host_class_asix_name[] = "ux_host_class_asix"; |
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UCHAR _ux_system_host_class_swar_name[] = "ux_host_class_sierra_wireless"; |
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UCHAR _ux_system_host_class_gser_name[] = "ux_host_class_generic_serial"; |
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UCHAR _ux_system_host_class_hid_client_remote_control_name[] = "ux_host_class_hid_client_remote_control"; |
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UCHAR _ux_system_host_class_hid_client_mouse_name[] = "ux_host_class_hid_client_mouse"; |
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UCHAR _ux_system_host_class_hid_client_keyboard_name[] = "ux_host_class_hid_client_keyboard"; |
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/* Define the name of all the USB Host Controllers of USBX. */ |
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UCHAR _ux_system_host_hcd_ohci_name[] = "ux_hcd_ohci"; |
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UCHAR _ux_system_host_hcd_ehci_name[] = "ux_hcd_ehci"; |
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UCHAR _ux_system_host_hcd_isp1161_name[] = "ux_hcd_isp1161"; |
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UCHAR _ux_system_host_hcd_isp1362_name[] = "ux_hcd_isp1362"; |
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UCHAR _ux_system_host_hcd_sh2_name[] = "ux_hcd_rx"; |
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UCHAR _ux_system_host_hcd_rx_name[] = "ux_hcd_sh2"; |
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UCHAR _ux_system_host_hcd_pic32_name[] = "ux_hcd_pic32"; |
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UCHAR _ux_system_host_hcd_stm32_name[] = "ux_hcd_stm32"; |
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UCHAR _ux_system_host_hcd_musb_name[] = "ux_hcd_musb"; |
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UCHAR _ux_system_host_hcd_atm7_name[] = "ux_hcd_atm7"; |
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UCHAR _ux_system_host_hcd_simulator_name[] = "ux_hcd_simulator"; |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _ux_host_stack_initialize PORTABLE C */ |
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/* 6.1.10 */ |
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/* AUTHOR */ |
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/* */ |
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/* Chaoqiong Xiao, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function initializes all the host code for USBX to work on a */ |
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/* specific platform. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* (ux_system_host_change_function) Function pointer to the */ |
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/* callback function for a */ |
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/* device change */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* Completion Status */ |
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/* */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _ux_utility_memory_allocate Allocate host memory */ |
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/* _ux_utility_semaphore_create Create host semaphore */ |
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/* _ux_utility_mutex_create Create host mutex */ |
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/* _ux_utility_thread_create Create host thread */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application */ |
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/* */ |
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/**************************************************************************/ |
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UINT _ux_host_stack_initialize(UINT (*ux_system_host_change_function)(ULONG, UX_HOST_CLASS *, VOID *)) |
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{ |
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UINT status; |
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UCHAR *memory; |
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#if defined(UX_HOST_STANDALONE) |
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UINT i; |
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UX_DEVICE *device; |
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#endif |
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/* If trace is enabled, insert this event into the trace buffer. */ |
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UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_STACK_INITIALIZE, 0, 0, 0, 0, UX_TRACE_HOST_STACK_EVENTS, 0, 0) |
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/* Initialize some of the global so that we don't have to recompile the |
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core code when one item is adjusted. */ |
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_ux_system_host -> ux_system_host_max_ed = UX_MAX_ED; |
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_ux_system_host -> ux_system_host_max_td = UX_MAX_TD; |
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_ux_system_host -> ux_system_host_max_iso_td = UX_MAX_ISO_TD; |
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UX_SYSTEM_HOST_MAX_CLASS_SET(UX_MAX_CLASS_DRIVER); |
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UX_SYSTEM_HOST_MAX_HCD_SET(UX_MAX_HCD); |
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UX_SYSTEM_HOST_MAX_DEVICES_SET(UX_MAX_DEVICES); |
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/* Set the change device function address. */ |
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_ux_system_host -> ux_system_host_change_function = ux_system_host_change_function; |
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/* Allocate memory for the HCDs. |
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* sizeof(UX_HCD)*UX_MAX_HCD overflow is checked outside of the function. |
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*/ |
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memory = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_HCD)*UX_MAX_HCD); |
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/* Check for successful allocation. */ |
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✓✓ |
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if (memory == UX_NULL) |
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return(UX_MEMORY_INSUFFICIENT); |
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/* Set to success by default. */ |
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status = UX_SUCCESS; |
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/* Store memory in system structure. */ |
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_ux_system_host -> ux_system_host_hcd_array = (UX_HCD *) memory; |
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/* Allocate memory for the classes. |
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* sizeof(UX_HOST_CLASS)*UX_MAX_CLASS_DRIVER overflow is checked outside of the function. |
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*/ |
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memory = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_HOST_CLASS)*UX_MAX_CLASS_DRIVER); |
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/* Check for successful allocation. */ |
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✓✓ |
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if (memory == UX_NULL) |
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status = UX_MEMORY_INSUFFICIENT; |
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else |
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/* Store memory in system structure. */ |
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_ux_system_host -> ux_system_host_class_array = (UX_HOST_CLASS *) memory; |
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/* Allocate memory for the device containers. |
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* sizeof(UX_DEVICE)*UX_MAX_DEVICES overflow is checked outside of the function. |
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*/ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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memory = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, sizeof(UX_DEVICE)*UX_MAX_DEVICES); |
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/* Check for successful allocation. */ |
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✓✓ |
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if(memory == UX_NULL) |
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status = UX_MEMORY_INSUFFICIENT; |
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else |
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/* Store memory in system structure. */ |
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_ux_system_host -> ux_system_host_device_array = (UX_DEVICE *) memory; |
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#if defined(UX_HOST_STANDALONE) |
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/* Add devices to the enumeration list, with ENUM flags cleared. */ |
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if (status == UX_SUCCESS) |
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{ |
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/* Start from the last device instance. */ |
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device = &_ux_system_host -> ux_system_host_device_array[UX_MAX_DEVICES - 1]; |
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/* Insert all devices to enumeration list head. */ |
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for (i = 0; i < UX_MAX_DEVICES; i ++) |
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{ |
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/* Insert to head. */ |
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device -> ux_device_enum_next = _ux_system_host -> ux_system_host_enum_device; |
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_ux_system_host -> ux_system_host_enum_device = device; |
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/* Next device. */ |
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device --; |
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} |
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} |
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#endif |
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} |
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#if !defined(UX_HOST_STANDALONE) |
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/* Obtain enough stack for the two USBX host threads. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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_ux_system_host -> ux_system_host_enum_thread_stack = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, |
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UX_HOST_ENUM_THREAD_STACK_SIZE); |
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/* Check for successful allocation. */ |
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✓✓ |
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if (_ux_system_host -> ux_system_host_enum_thread_stack == UX_NULL) |
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status = UX_MEMORY_INSUFFICIENT; |
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} |
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/* Allocate another stack area. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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_ux_system_host -> ux_system_host_hcd_thread_stack = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, |
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UX_HOST_HCD_THREAD_STACK_SIZE); |
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/* Check for successful allocation. */ |
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✓✓ |
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if (_ux_system_host -> ux_system_host_hcd_thread_stack == UX_NULL) |
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status = UX_MEMORY_INSUFFICIENT; |
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} |
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/* Create the semaphores used by the hub and root hub to awake the enumeration thread. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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status = _ux_utility_semaphore_create(&_ux_system_host -> ux_system_host_enum_semaphore, "ux_system_host_enum_semaphore", 0); |
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✓✓ |
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if(status != UX_SUCCESS) |
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status = UX_SEMAPHORE_ERROR; |
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} |
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/* Create the semaphores used by the HCD to perform the completion phase of transfer_requests. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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status = _ux_utility_semaphore_create(&_ux_system_host -> ux_system_host_hcd_semaphore, "ux_system_host_hcd_semaphore", 0); |
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✓✓ |
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if(status != UX_SUCCESS) |
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status = UX_SEMAPHORE_ERROR; |
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} |
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/* Create the enumeration thread of USBX. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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status = _ux_utility_thread_create(&_ux_system_host -> ux_system_host_enum_thread, "ux_system_host_enum_thread", _ux_host_stack_enum_thread_entry, |
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0, _ux_system_host -> ux_system_host_enum_thread_stack, |
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UX_HOST_ENUM_THREAD_STACK_SIZE, UX_THREAD_PRIORITY_ENUM, |
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UX_THREAD_PRIORITY_ENUM, UX_NO_TIME_SLICE, UX_AUTO_START); |
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/* Check the completion status. */ |
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✓✓ |
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if(status != UX_SUCCESS) |
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status = UX_THREAD_ERROR; |
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} |
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/* Create the HCD thread of USBX. */ |
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✓✓ |
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if (status == UX_SUCCESS) |
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{ |
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status = _ux_utility_thread_create(&_ux_system_host -> ux_system_host_hcd_thread, "ux_host_stack_hcd_thread", _ux_host_stack_hcd_thread_entry, |
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0, _ux_system_host -> ux_system_host_hcd_thread_stack, |
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UX_HOST_HCD_THREAD_STACK_SIZE, UX_THREAD_PRIORITY_HCD, |
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UX_THREAD_PRIORITY_HCD, UX_NO_TIME_SLICE,UX_AUTO_START); |
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/* Check the completion status. */ |
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✓✓ |
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if(status != UX_SUCCESS) |
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status = UX_THREAD_ERROR; |
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} |
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#endif |
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#if defined(UX_OTG_SUPPORT) && !defined(UX_OTG_STANDALONE) |
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/* Allocate another stack area for the HNP polling thread. */ |
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if (status == UX_SUCCESS) |
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{ |
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_ux_system_host -> ux_system_host_hnp_polling_thread_stack = _ux_utility_memory_allocate(UX_NO_ALIGN, UX_REGULAR_MEMORY, |
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UX_HOST_HNP_POLLING_THREAD_STACK_SIZE); |
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/* Check for successful allocation. */ |
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if (_ux_system_host -> ux_system_host_hnp_polling_thread_stack == UX_NULL) |
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status = UX_MEMORY_INSUFFICIENT; |
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} |
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/* Create the HNP polling thread of USBX. */ |
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if (status == UX_SUCCESS) |
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{ |
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status = _ux_utility_thread_create(&_ux_system_host -> ux_system_host_hnp_polling_thread, "ux_host_stack_hnp_polling_thread", _ux_host_stack_hnp_polling_thread_entry, |
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0, _ux_system_host -> ux_system_host_hnp_polling_thread_stack, |
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UX_HOST_HNP_POLLING_THREAD_STACK_SIZE, UX_THREAD_PRIORITY_ENUM, |
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UX_THREAD_PRIORITY_ENUM, UX_NO_TIME_SLICE, UX_AUTO_START); |
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/* Check the completion status. */ |
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if (status != UX_SUCCESS) |
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status = UX_THREAD_ERROR; |
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/* Return success (SUCCESS). */ |
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else |
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return(status); |
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} |
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/* Free up resources on error cases. */ |
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/* Last resource, _ux_system_host -> ux_system_host_hnp_polling_thread is not created or created error, |
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* no need to delete it. */ |
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/* Free _ux_system_host -> ux_system_host_hnp_polling_thread_stack. */ |
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if (_ux_system_host -> ux_system_host_hnp_polling_thread_stack) |
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_ux_utility_memory_free(_ux_system_host -> ux_system_host_hnp_polling_thread_stack); |
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/* Delete _ux_system_host -> ux_system_host_hcd_thread. */ |
321 |
|
|
if (_ux_host_thread_created(&_ux_system_host -> ux_system_host_hcd_thread)) |
322 |
|
|
_ux_utility_thread_delete(&_ux_system_host -> ux_system_host_hcd_thread); |
323 |
|
|
#else |
324 |
|
|
|
325 |
|
|
/* Return completion status to caller if success. */ |
326 |
✓✓ |
372 |
if (status == UX_SUCCESS) |
327 |
|
364 |
return(status); |
328 |
|
|
|
329 |
|
|
/* Free up resources on error cases. */ |
330 |
|
|
|
331 |
|
|
/* Last resource, _ux_system_host -> ux_system_host_hcd_thread is not created or created error, |
332 |
|
|
* no need to delete it. */ |
333 |
|
|
#endif |
334 |
|
|
|
335 |
|
|
#if !defined(UX_HOST_STANDALONE) |
336 |
|
|
/* Delete _ux_system_host -> ux_system_host_enum_thread. */ |
337 |
✓✓ |
8 |
if (_ux_system_thread_created(&_ux_system_host -> ux_system_host_enum_thread)) |
338 |
|
1 |
_ux_utility_thread_delete(&_ux_system_host -> ux_system_host_enum_thread); |
339 |
|
|
|
340 |
|
|
/* Delete _ux_system_host -> ux_system_host_hcd_semaphore. */ |
341 |
✓✓ |
8 |
if (_ux_host_semaphore_created(&_ux_system_host -> ux_system_host_hcd_semaphore)) |
342 |
|
2 |
_ux_utility_semaphore_delete(&_ux_system_host -> ux_system_host_hcd_semaphore); |
343 |
|
|
|
344 |
|
|
/* Delete _ux_system_host -> ux_system_host_enum_semaphore. */ |
345 |
✓✓ |
8 |
if (_ux_host_semaphore_created(&_ux_system_host -> ux_system_host_enum_semaphore)) |
346 |
|
3 |
_ux_utility_semaphore_delete(&_ux_system_host -> ux_system_host_enum_semaphore); |
347 |
|
|
|
348 |
|
|
/* Free _ux_system_host -> ux_system_host_hcd_thread_stack. */ |
349 |
✓✓ |
8 |
if (_ux_system_host -> ux_system_host_hcd_thread_stack) |
350 |
|
4 |
_ux_utility_memory_free(_ux_system_host -> ux_system_host_hcd_thread_stack); |
351 |
|
|
|
352 |
|
|
/* Free _ux_system_host -> ux_system_host_enum_thread_stack. */ |
353 |
✓✓ |
8 |
if (_ux_system_host -> ux_system_host_enum_thread_stack) |
354 |
|
5 |
_ux_utility_memory_free(_ux_system_host -> ux_system_host_enum_thread_stack); |
355 |
|
|
#endif |
356 |
|
|
|
357 |
|
|
/* Free _ux_system_host -> ux_system_host_device_array. */ |
358 |
✓✓ |
8 |
if (_ux_system_host -> ux_system_host_device_array) |
359 |
|
6 |
_ux_utility_memory_free(_ux_system_host -> ux_system_host_device_array); |
360 |
|
|
|
361 |
|
|
/* Free _ux_system_host -> ux_system_host_class_array. */ |
362 |
✓✓ |
8 |
if (_ux_system_host -> ux_system_host_class_array) |
363 |
|
7 |
_ux_utility_memory_free(_ux_system_host -> ux_system_host_class_array); |
364 |
|
|
|
365 |
|
|
/* Free _ux_system_host -> ux_system_host_hcd_array. */ |
366 |
|
8 |
_ux_utility_memory_free(_ux_system_host -> ux_system_host_hcd_array); |
367 |
|
|
|
368 |
|
|
/* Return completion status to caller. */ |
369 |
|
8 |
return(status); |
370 |
|
|
} |
371 |
|
|
|