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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 */
/* */
/* HAL_HCD_Connect_Callback PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function handles callback from HAL driver. */
/* */
/* INPUT */
/* */
/* hhcd Pointer to HCD handle */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_semaphore_put Put semaphore */
/* */
/* CALLED BY */
/* */
/* stm32 Controller Driver */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* */
/**************************************************************************/
void HAL_HCD_Connect_Callback(HCD_HandleTypeDef *hhcd)
{
UX_HCD *hcd;
UX_HCD_STM32 *hcd_stm32;
/* Get the pointer to the HCD & HCD_STM32. */
hcd = (UX_HCD*)hhcd -> pData;
hcd_stm32 = (UX_HCD_STM32*)hcd -> ux_hcd_controller_hardware;
/* Something happened on the root hub port. Signal it to the root hub thread. */
hcd -> ux_hcd_root_hub_signal[0]++;
/* The controller has issued a ATTACH Root HUB signal. */
hcd_stm32 -> ux_hcd_stm32_controller_flag |= UX_HCD_STM32_CONTROLLER_FLAG_DEVICE_ATTACHED;
hcd_stm32 -> ux_hcd_stm32_controller_flag &= ~UX_HCD_STM32_CONTROLLER_FLAG_DEVICE_DETACHED;
/* Wake up the root hub thread. */
_ux_utility_semaphore_put(&_ux_system_host -> ux_system_host_enum_semaphore);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* HAL_HCD_Disconnect_Callback PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function handles callback from HAL driver. */
/* */
/* INPUT */
/* */
/* hhcd Pointer to HCD handle */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_semaphore_put Put semaphore */
/* */
/* CALLED BY */
/* */
/* stm32 Controller Driver */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* */
/**************************************************************************/
void HAL_HCD_Disconnect_Callback(HCD_HandleTypeDef *hhcd)
{
UX_HCD *hcd;
UX_HCD_STM32 *hcd_stm32;
/* Get the pointer to the HCD & HCD_STM32. */
hcd = (UX_HCD*)hhcd -> pData;
hcd_stm32 = (UX_HCD_STM32*)hcd -> ux_hcd_controller_hardware;
/* Something happened on the root hub port. Signal it to the root hub thread. */
hcd -> ux_hcd_root_hub_signal[0]++;
/* The controller has issued a DETACH Root HUB signal. */
hcd_stm32 -> ux_hcd_stm32_controller_flag |= UX_HCD_STM32_CONTROLLER_FLAG_DEVICE_DETACHED;
hcd_stm32 -> ux_hcd_stm32_controller_flag &= ~UX_HCD_STM32_CONTROLLER_FLAG_DEVICE_ATTACHED;
/* Wake up the root hub thread. */
_ux_utility_semaphore_put(&_ux_system_host -> ux_system_host_enum_semaphore);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* HAL_HCD_Disconnect_Callback PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function handles callback from HAL driver. */
/* */
/* INPUT */
/* */
/* hhcd Pointer to HCD handle */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_semaphore_put Put semaphore */
/* HAL_HCD_HC_SubmitRequest Submit request */
/* HAL_HCD_HC_Halt Halt channel */
/* HAL_HCD_HC_GetXferCount Get transfer count */
/* */
/* CALLED BY */
/* */
/* stm32 Controller Driver */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* */
/**************************************************************************/
void HAL_HCD_HC_NotifyURBChange_Callback(HCD_HandleTypeDef *hhcd, uint8_t chnum, HCD_URBStateTypeDef urb_state)
{
UX_HCD *hcd;
UX_HCD_STM32 *hcd_stm32;
UX_HCD_STM32_ED *ed;
UX_TRANSFER *transfer_request;
/* Check the URB state. */
if (urb_state == URB_DONE || urb_state == URB_STALL || urb_state == URB_ERROR || urb_state == URB_NOTREADY)
{
/* Get the pointer to the HCD & HCD_STM32. */
hcd = (UX_HCD*)hhcd -> pData;
hcd_stm32 = (UX_HCD_STM32*)hcd -> ux_hcd_controller_hardware;
/* Check if driver is still valid. */
if (hcd_stm32 == UX_NULL)
return;
/* Load the ED for the channel. */
ed = hcd_stm32 -> ux_hcd_stm32_channels_ed[chnum];
/* Check if ED is still valid. */
if (ed == UX_NULL)
{
return;
}
/* Get transfer request. */
transfer_request = ed -> ux_stm32_ed_transfer_request;
/* Check if ED is still valid. */
if (transfer_request == UX_NULL)
{
return;
}
/* Check if URB state is not URB_NOTREADY. */
if (urb_state != URB_NOTREADY)
{
/* Handle URB states. */
switch (urb_state)
{
case URB_STALL:
/* Set the completion code to stalled. */
transfer_request -> ux_transfer_request_completion_code = UX_TRANSFER_STALLED;
break;
case URB_DONE:
/* Check the request direction. */
if ((((ed->ux_stm32_ed_endpoint -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) != UX_CONTROL_ENDPOINT) &&
(transfer_request -> ux_transfer_request_type & UX_REQUEST_DIRECTION) == UX_REQUEST_IN)
{
/* Get transfer size for receiving direction. */
transfer_request -> ux_transfer_request_actual_length = HAL_HCD_HC_GetXferCount(hcd_stm32 -> hcd_handle, ed -> ux_stm32_ed_channel);
}
/* Check if the request is for bulk OUT or control OUT. */
if ((((ed -> ux_stm32_ed_endpoint -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) == UX_BULK_ENDPOINT ||
((ed -> ux_stm32_ed_endpoint -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) == UX_CONTROL_ENDPOINT) &&
(transfer_request -> ux_transfer_request_type & UX_REQUEST_DIRECTION) == UX_REQUEST_OUT)
{
/* Update actual transfer length. */
transfer_request -> ux_transfer_request_actual_length += transfer_request -> ux_transfer_request_packet_length;
/* Check if there is more data to send. */
if (transfer_request -> ux_transfer_request_requested_length > transfer_request -> ux_transfer_request_actual_length)
{
/* Adjust the transmit length. */
transfer_request -> ux_transfer_request_packet_length = UX_MIN(ed->ux_stm32_ed_endpoint->ux_endpoint_descriptor.wMaxPacketSize,
transfer_request -> ux_transfer_request_requested_length - transfer_request -> ux_transfer_request_actual_length);
/* Submit the transmit request. */
HAL_HCD_HC_SubmitRequest(hcd_stm32 -> hcd_handle, ed -> ux_stm32_ed_channel,
0, EP_TYPE_BULK, USBH_PID_DATA,
transfer_request->ux_transfer_request_data_pointer + transfer_request -> ux_transfer_request_actual_length,
transfer_request -> ux_transfer_request_packet_length, 0);
return;
}
}
/* Set the completion code to SUCCESS. */
transfer_request -> ux_transfer_request_completion_code = UX_SUCCESS;
break;
default:
/* Set the completion code to transfer error. */
transfer_request -> ux_transfer_request_completion_code = UX_TRANSFER_ERROR;
}
/* Move to next transfer. */
ed -> ux_stm32_ed_transfer_request = transfer_request -> ux_transfer_request_next_transfer_request;
/* Invoke callback function. */
if (transfer_request -> ux_transfer_request_completion_function)
transfer_request -> ux_transfer_request_completion_function(transfer_request);
/* Wake up the transfer request thread. */
_ux_utility_semaphore_put(&transfer_request -> ux_transfer_request_semaphore);
}
else
{
/* Handle URB_NOTREADY state here. */
/* Check if we need to retry the transfer by checking the status. */
if ((ed -> ux_stm32_ed_status == UX_HCD_STM32_ED_STATUS_CONTROL_SETUP) ||
(ed -> ux_stm32_ed_status == UX_HCD_STM32_ED_STATUS_CONTROL_DATA_OUT) ||
(ed -> ux_stm32_ed_status == UX_HCD_STM32_ED_STATUS_CONTROL_STATUS_OUT) ||
(ed -> ux_stm32_ed_status == UX_HCD_STM32_ED_STATUS_BULK_OUT))
{
/* Submit the transmit request. */
HAL_HCD_HC_SubmitRequest(hcd_stm32 -> hcd_handle, ed -> ux_stm32_ed_channel, 0,
((ed -> ux_stm32_ed_endpoint -> ux_endpoint_descriptor.bmAttributes) & UX_MASK_ENDPOINT_TYPE) == UX_BULK_ENDPOINT ? EP_TYPE_BULK : EP_TYPE_CTRL,
ed -> ux_stm32_ed_status == UX_HCD_STM32_ED_STATUS_CONTROL_SETUP ? USBH_PID_SETUP : USBH_PID_DATA,
transfer_request -> ux_transfer_request_data_pointer + transfer_request -> ux_transfer_request_actual_length,
transfer_request -> ux_transfer_request_packet_length, 0);
}
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* HAL_HCD_SOF_Callback PORTABLE C */
/* 6.0 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function handles callback from HAL driver. */
/* */
/* INPUT */
/* */
/* hhcd Pointer to HCD handle */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_semaphore_put Put semaphore */
/* */
/* CALLED BY */
/* */
/* stm32 Controller Driver */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* */
/**************************************************************************/
void HAL_HCD_SOF_Callback(HCD_HandleTypeDef *hhcd)
{
UX_HCD *hcd;
UX_HCD_STM32 *hcd_stm32;
/* Get the pointer to the HCD & HCD_STM32. */
hcd = (UX_HCD*)hhcd -> pData;
hcd_stm32 = (UX_HCD_STM32*)hcd -> ux_hcd_controller_hardware;
if ((hcd_stm32 -> ux_hcd_stm32_controller_flag & UX_HCD_STM32_CONTROLLER_FLAG_SOF) == 0)
{
hcd_stm32 -> ux_hcd_stm32_controller_flag |= UX_HCD_STM32_CONTROLLER_FLAG_SOF;
hcd -> ux_hcd_thread_signal++;
/* Wake up the scheduler. */
_ux_utility_semaphore_put(&_ux_system_host -> ux_system_host_hcd_semaphore);
}
}
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