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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** STM32 Controller Driver */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#define UX_SOURCE_CODE
#define UX_HCD_STM32_SOURCE_CODE
#include "ux_api.h"
#include "ux_hcd_stm32.h"
#include "ux_host_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_hcd_stm32_entry PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function dispatch the HCD function internally to the STM32 */
/* controller driver. */
/* */
/* INPUT */
/* */
/* HCD Pointer to HCD */
/* function Function for driver to perform*/
/* parameter Pointer to parameter(s) */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_hcd_stm32_asynchronous_endpoint_create Create async endpoint */
/* _ux_hcd_stm32_asynchronous_endpoint_destroy Destroy async endpoint */
/* _ux_hcd_stm32_controller_disable Disable controller */
/* _ux_hcd_stm32_endpoint_reset Reset endpoint */
/* _ux_hcd_stm32_frame_number_get Get frame number */
/* _ux_hcd_stm32_interrupt_endpoint_create Create endpoint */
/* _ux_hcd_stm32_periodic_endpoint_destroy Destroy endpoint */
/* _ux_hcd_stm32_periodic_schedule Schedule periodic */
/* _ux_hcd_stm32_port_enable Enable port */
/* _ux_hcd_stm32_port_disable Disable port */
/* _ux_hcd_stm32_port_reset Reset port */
/* _ux_hcd_stm32_port_resume Resume port */
/* _ux_hcd_stm32_port_status_get Get port status */
/* _ux_hcd_stm32_port_suspend Suspend port */
/* _ux_hcd_stm32_power_down_port Power down port */
/* _ux_hcd_stm32_power_on_port Power on port */
/* _ux_hcd_stm32_request_transfer Request transfer */
/* _ux_hcd_stm32_transfer_abort Abort transfer */
/* */
/* CALLED BY */
/* */
/* Host Stack */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* xx-xx-xxxx Chaoqiong Xiao Modified comment(s), */
/* resulting in version 6.x */
/* */
/**************************************************************************/
UINT _ux_hcd_stm32_entry(UX_HCD *hcd, UINT function, VOID *parameter)
{
UINT status;
UX_HCD_STM32 *hcd_stm32;
UX_INT_SAVE_AREA
/* Check the status of the controller. */
if (hcd -> ux_hcd_status == UX_UNUSED)
{
/* Error trap. */
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_HCD, UX_CONTROLLER_UNKNOWN);
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_CONTROLLER_UNKNOWN, 0, 0, 0, UX_TRACE_ERRORS, 0, 0)
return(UX_CONTROLLER_UNKNOWN);
}
/* Get the pointer to the STM32 HCD. */
hcd_stm32 = (UX_HCD_STM32 *) hcd -> ux_hcd_controller_hardware;
/* look at the function and route it. */
switch(function)
{
case UX_HCD_DISABLE_CONTROLLER:
status = _ux_hcd_stm32_controller_disable(hcd_stm32);
break;
case UX_HCD_GET_PORT_STATUS:
status = _ux_hcd_stm32_port_status_get(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_ENABLE_PORT:
status = _ux_hcd_stm32_port_enable(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_DISABLE_PORT:
status = _ux_hcd_stm32_port_disable(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_POWER_ON_PORT:
status = _ux_hcd_stm32_power_on_port(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_POWER_DOWN_PORT:
status = _ux_hcd_stm32_power_down_port(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_SUSPEND_PORT:
status = _ux_hcd_stm32_port_suspend(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_RESUME_PORT:
status = _ux_hcd_stm32_port_resume(hcd_stm32, (UINT) parameter);
break;
case UX_HCD_RESET_PORT:
status = _ux_hcd_stm32_port_reset(hcd_stm32, (ULONG) parameter);
break;
case UX_HCD_GET_FRAME_NUMBER:
status = _ux_hcd_stm32_frame_number_get(hcd_stm32, (ULONG *) parameter);
break;
case UX_HCD_TRANSFER_REQUEST:
status = _ux_hcd_stm32_request_transfer(hcd_stm32, (UX_TRANSFER *) parameter);
break;
case UX_HCD_TRANSFER_ABORT:
status = _ux_hcd_stm32_transfer_abort(hcd_stm32, (UX_TRANSFER *) parameter);
break;
case UX_HCD_CREATE_ENDPOINT:
status = _ux_hcd_stm32_endpoint_create(hcd_stm32, (UX_ENDPOINT*) parameter);
break;
case UX_HCD_DESTROY_ENDPOINT:
status = _ux_hcd_stm32_endpoint_destroy(hcd_stm32, (UX_ENDPOINT*) parameter);
break;
case UX_HCD_RESET_ENDPOINT:
status = _ux_hcd_stm32_endpoint_reset(hcd_stm32, (UX_ENDPOINT*) parameter);
break;
case UX_HCD_PROCESS_DONE_QUEUE:
/* Process periodic queue. */
_ux_hcd_stm32_periodic_schedule(hcd_stm32);
/* Reset the SOF flag. */
UX_DISABLE_INTS
hcd_stm32 -> ux_hcd_stm32_controller_flag &= ~UX_HCD_STM32_CONTROLLER_FLAG_SOF;
UX_RESTORE_INTS
status = UX_SUCCESS;
break;
case UX_HCD_UNINITIALIZE:
/* free HCD resources */
if (hcd_stm32 != UX_NULL)
{
_ux_utility_memory_free(hcd_stm32 -> ux_hcd_stm32_ed_list);
_ux_utility_memory_free(hcd_stm32);
}
status = UX_SUCCESS;
break;
default:
/* Error trap. */
_ux_system_error_handler(UX_SYSTEM_LEVEL_THREAD, UX_SYSTEM_CONTEXT_HCD, UX_FUNCTION_NOT_SUPPORTED);
/* If trace is enabled, insert this event into the trace buffer. */
UX_TRACE_IN_LINE_INSERT(UX_TRACE_ERROR, UX_FUNCTION_NOT_SUPPORTED, 0, 0, 0, UX_TRACE_ERRORS, 0, 0)
/* Unknown request, return an error. */
status = UX_FUNCTION_NOT_SUPPORTED;
break;
}
/* Return completion status. */
return(status);
}