RabbitECUTeensyMCUXpresso/usb/device/class/usb_device_phdc.c

746 lines
30 KiB
C

/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "usb_device_config.h"
#include "usb.h"
#include "usb_device.h"
#include "usb_device_class.h"
#if ((defined(USB_DEVICE_CONFIG_PHDC)) && (USB_DEVICE_CONFIG_PHDC > 0U))
#include "usb_device_phdc.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Prototypes
******************************************************************************/
/*! @brief local function prototypes */
static usb_status_t USB_DevicePhdcAllocateHandle(usb_device_phdc_struct_t **handle);
static usb_status_t USB_DevicePhdcFreeHandle(usb_device_phdc_struct_t *handle);
static usb_status_t USB_DevicePhdcBulkInCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam);
static usb_status_t USB_DevicePhdcBulkOutCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam);
static usb_status_t USB_DevicePhdcInterruptInCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam);
static usb_status_t USB_DevicePhdcEndpointsInit(usb_device_phdc_struct_t *phdcHandle);
static usb_status_t USB_DevicePhdcEndpointsDeinit(usb_device_phdc_struct_t *phdcHandle);
/*******************************************************************************
* Variables
******************************************************************************/
/*! @brief the PHDC device instance */
USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) usb_device_phdc_struct_t g_phdcHandle[USB_DEVICE_CONFIG_PHDC];
/*******************************************************************************
* Code
******************************************************************************/
/*!
* @brief Allocate a device PHDC class handle.
*
* This function allocates a device PHDC class handle.
*
* @param handle It is out parameter, is used to return pointer of the device PHDC class handle to the caller.
*
* @retval kStatus_USB_Success Get a device PHDC class handle successfully.
* @retval kStatus_USB_Busy Cannot allocate a device PHDC class handle.
*/
static usb_status_t USB_DevicePhdcAllocateHandle(usb_device_phdc_struct_t **handle)
{
int32_t count;
for (count = 0; count < USB_DEVICE_CONFIG_PHDC; count++)
{
if (NULL == g_phdcHandle[count].handle)
{
*handle = &g_phdcHandle[count];
return kStatus_USB_Success;
}
}
return kStatus_USB_Busy;
}
/*!
* @brief Free a device PHDC class handle.
*
* This function frees a device PHDC class handle.
*
* @param handle The device PHDC class handle.
*
* @retval kStatus_USB_Success Free device PHDC class handle successfully.
*/
static usb_status_t USB_DevicePhdcFreeHandle(usb_device_phdc_struct_t *handle)
{
handle->handle = NULL;
handle->configStruct = (usb_device_class_config_struct_t *)NULL;
handle->configuration = 0U;
handle->alternate = 0U;
return kStatus_USB_Success;
}
/*!
* @brief bulk IN endpoint callback function.
*
* This callback function is used to notify upper layer the transfer result of a transfer.
* This callback pointer is passed when the bulk IN pipe initialized.
*
* @param handle The device handle. It equals the value returned from USB_DeviceInit.
* @param message The result of the bulk IN pipe transfer.
* @param callbackParam The parameter for this callback. It is same with
* usb_device_endpoint_callback_struct_t::callbackParam.
* In the class, the value is the PHDC class handle.
*
* @retval kStatus_USB_Success The transfer is successful.
* @retval kStatus_USB_InvalidHandle The device handle not be found.
*/
static usb_status_t USB_DevicePhdcBulkInCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
phdcHandle = (usb_device_phdc_struct_t *)callbackParam;
if (!phdcHandle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle->bulkIn.isBusy = 0U;
if ((NULL != phdcHandle->configStruct) && (phdcHandle->configStruct->classCallback))
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback((class_handle_t)phdcHandle,
kUSB_DevicePhdcEventBulkInSendComplete, message);
}
return error;
}
/*!
* @brief bulk OUT endpoint callback function.
*
* This callback function is used to notify upper layer the transfer result of a transfer.
* This callback pointer is passed when the bulk OUT pipe initialized.
*
* @param handle The device handle. It equals the value returned from USB_DeviceInit.
* @param message The result of the bulk OUT pipe transfer.
* @param callbackParam The parameter for this callback. It is same with
* usb_device_endpoint_callback_struct_t::callbackParam.
* In the class, the value is the PHDC class handle.
*
* @retval kStatus_USB_Success The transfer is successful.
* @retval kStatus_USB_InvalidHandle The device handle not be found.
*/
static usb_status_t USB_DevicePhdcBulkOutCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
phdcHandle = (usb_device_phdc_struct_t *)callbackParam;
if (!phdcHandle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle->bulkOut.isBusy = 0U;
if ((NULL != phdcHandle->configStruct) && (phdcHandle->configStruct->classCallback))
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback((class_handle_t)phdcHandle, kUSB_DevicePhdcEventDataReceived,
message);
}
return error;
}
/*!
* @brief Interrupt IN endpoint callback function.
*
* This callback function is used to notify upper layer the transfer result of a transfer.
* This callback pointer is passed when the interrupt IN pipe initialized.
*
* @param handle The device handle. It equals the value returned from USB_DeviceInit.
* @param message The result of the interrupt IN pipe transfer.
* @param callbackParam The parameter for this callback. It is same with
* usb_device_endpoint_callback_struct_t::callbackParam.
* In the class, the value is the PHDC class handle.
*
* @retval kStatus_USB_Success The transfer is successful.
* @retval kStatus_USB_InvalidHandle The device handle not be found.
*/
static usb_status_t USB_DevicePhdcInterruptInCallback(usb_device_handle handle,
usb_device_endpoint_callback_message_struct_t *message,
void *callbackParam)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
phdcHandle = (usb_device_phdc_struct_t *)callbackParam;
if (!phdcHandle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle->interruptIn.isBusy = 0U;
if ((NULL != phdcHandle->configStruct) && (phdcHandle->configStruct->classCallback))
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback((class_handle_t)phdcHandle,
kUSB_DevicePhdcEventInterruptInSendComplete, message);
}
return error;
}
/*!
* @brief Initialize the endpoints of the PHDC class.
*
* This callback function is used to initialize the endpoints of the PHDC class.
*
* @param phdcHandle The device PHDC class handle. It equals the value returned from
* usb_device_class_config_struct_t::classHandle.
*
* @retval kStatus_USB_Success The PHDC endpoint is initialized successful.
* @retval kStatus_USB_Error The interfaces not be found.
*/
static usb_status_t USB_DevicePhdcEndpointsInit(usb_device_phdc_struct_t *phdcHandle)
{
usb_device_interface_list_t *interfaceList;
usb_device_interface_struct_t *interface = (usb_device_interface_struct_t *)NULL;
usb_status_t error = kStatus_USB_Error;
if (!phdcHandle)
{
return error;
}
if (phdcHandle->configuration > phdcHandle->configStruct->classInfomation->configurations)
{
return error;
}
/* gets the interface list */
interfaceList = &phdcHandle->configStruct->classInfomation->interfaceList[phdcHandle->configuration - 1];
for (int count = 0; count < interfaceList->count; count++)
{
if (USB_DEVICE_CONFIG_PHDC_CLASS_CODE == interfaceList->interfaces[count].classCode)
{
for (int index = 0; index < interfaceList->interfaces[count].count; index++)
{
if (interfaceList->interfaces[count].interface[index].alternateSetting == phdcHandle->alternate)
{
interface = &interfaceList->interfaces[count].interface[index];
break;
}
}
phdcHandle->interfaceNumber = interfaceList->interfaces[count].interfaceNumber;
break;
}
}
if (!interface)
{
return error;
}
phdcHandle->interfaceHandle = interface;
for (int count = 0; count < interface->endpointList.count; count++)
{
usb_device_endpoint_init_struct_t epInitStruct;
usb_device_endpoint_callback_struct_t epCallback;
epInitStruct.zlt = 0U;
epInitStruct.interval = interface->endpointList.endpoint[count].interval;
epInitStruct.endpointAddress = interface->endpointList.endpoint[count].endpointAddress;
epInitStruct.maxPacketSize = interface->endpointList.endpoint[count].maxPacketSize;
epInitStruct.transferType = interface->endpointList.endpoint[count].transferType;
if (USB_ENDPOINT_INTERRUPT == epInitStruct.transferType)
{
epCallback.callbackFn = USB_DevicePhdcInterruptInCallback;
phdcHandle->interruptIn.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
phdcHandle->interruptIn.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->interruptIn.pipeStall = 0U;
phdcHandle->interruptIn.pipeDataLen = 0U;
}
else if (USB_IN == ((epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
{
epCallback.callbackFn = USB_DevicePhdcBulkInCallback;
phdcHandle->bulkIn.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
phdcHandle->bulkIn.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->bulkIn.pipeStall = 0U;
phdcHandle->bulkIn.pipeDataLen = 0U;
}
else
{
epCallback.callbackFn = USB_DevicePhdcBulkOutCallback;
phdcHandle->bulkOut.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
phdcHandle->bulkOut.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->bulkOut.pipeStall = 0U;
phdcHandle->bulkOut.pipeDataLen = 0U;
}
epCallback.callbackParam = phdcHandle;
error = USB_DeviceInitEndpoint(phdcHandle->handle, &epInitStruct, &epCallback);
}
return error;
}
/*!
* @brief De-initialize the endpoints of the PHDC class.
*
* This callback function is used to de-initialize the endpoints of the PHC class.
*
* @param phdcHandle The device PHDC class handle. It equals the value returned from
* usb_device_class_config_struct_t::classHandle.
*
* @retval kStatus_USB_Success The PHDC endpoint is de-initialized successful.
* @retval kStatus_USB_Error The interface handle not be found.
*/
static usb_status_t USB_DevicePhdcEndpointsDeinit(usb_device_phdc_struct_t *phdcHandle)
{
usb_status_t error = kStatus_USB_Error;
if (!phdcHandle->interfaceHandle)
{
return error;
}
for (int count = 0; count < phdcHandle->interfaceHandle->endpointList.count; count++)
{
error = USB_DeviceDeinitEndpoint(phdcHandle->handle,
phdcHandle->interfaceHandle->endpointList.endpoint[count].endpointAddress);
}
return error;
}
/*!
* @brief Handle the event passed to the PHDC class.
*
* This function handles the event passed to the PHDC class.
*
* @param[in] handle The PHDC class handle, got from the usb_device_class_config_struct_t::classHandle.
* @param[in] event The event codes. Please refer to the enumeration usb_device_class_event_t.
* @param[in,out] param The param type is determined by the event code.
*
* @retval kStatus_USB_Success Free device handle successfully.
* @retval kStatus_USB_InvalidParameter The device handle not be found.
* @retval kStatus_USB_InvalidRequest The request is invalid, and the control pipe will be stalled by the caller.
*/
usb_status_t USB_DevicePhdcEvent(void *handle, uint32_t event, void *param)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
uint16_t interfaceAlternate;
uint8_t *temp8;
uint8_t alternate;
if ((!param) || (!handle))
{
return kStatus_USB_InvalidHandle;
}
phdcHandle = (usb_device_phdc_struct_t *)handle;
switch (event)
{
case kUSB_DeviceClassEventDeviceReset:
phdcHandle->configuration = 0U;
phdcHandle->bulkIn.isBusy = 0U;
phdcHandle->bulkOut.isBusy = 0U;
phdcHandle->interruptIn.isBusy = 0U;
break;
case kUSB_DeviceClassEventSetConfiguration:
temp8 = ((uint8_t *)param);
if (!phdcHandle->configStruct)
{
break;
}
if (*temp8 == phdcHandle->configuration)
{
break;
}
if (phdcHandle->configuration)
{
error = USB_DevicePhdcEndpointsDeinit(phdcHandle);
}
phdcHandle->configuration = *temp8;
phdcHandle->alternate = 0U;
error = USB_DevicePhdcEndpointsInit(phdcHandle);
break;
case kUSB_DeviceClassEventSetInterface:
if (!phdcHandle->configStruct)
{
break;
}
interfaceAlternate = *((uint16_t *)param);
alternate = (uint8_t)(interfaceAlternate & 0xFF);
if (phdcHandle->interfaceNumber != ((uint8_t)(interfaceAlternate >> 8)))
{
break;
}
if (alternate == phdcHandle->alternate)
{
break;
}
error = USB_DevicePhdcEndpointsDeinit(phdcHandle);
phdcHandle->alternate = alternate;
error = USB_DevicePhdcEndpointsInit(phdcHandle);
break;
case kUSB_DeviceClassEventSetEndpointHalt:
if ((!phdcHandle->configStruct) || (!phdcHandle->interfaceHandle))
{
break;
}
temp8 = ((uint8_t *)param);
for (int count = 0; count < phdcHandle->interfaceHandle->endpointList.count; count++)
{
if (*temp8 == phdcHandle->interfaceHandle->endpointList.endpoint[count].endpointAddress)
{
/* Only stall the endpoint belongs to the class */
if (USB_ENDPOINT_INTERRUPT == phdcHandle->interfaceHandle->endpointList.endpoint[count].transferType)
{
phdcHandle->interruptIn.pipeStall = 1U;
}
else if (USB_IN == ((phdcHandle->interfaceHandle->endpointList.endpoint[count].endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
{
phdcHandle->bulkIn.pipeStall = 1U;
}
else
{
phdcHandle->bulkOut.pipeStall = 1U;
}
error = USB_DeviceStallEndpoint(phdcHandle->handle, *temp8);
}
}
break;
case kUSB_DeviceClassEventClearEndpointHalt:
if ((!phdcHandle->configStruct) || (!phdcHandle->interfaceHandle))
{
break;
}
temp8 = ((uint8_t *)param);
for (int count = 0; count < phdcHandle->interfaceHandle->endpointList.count; count++)
{
if (*temp8 == phdcHandle->interfaceHandle->endpointList.endpoint[count].endpointAddress)
{
error = USB_DeviceUnstallEndpoint(phdcHandle->handle, *temp8);
if (USB_ENDPOINT_INTERRUPT == phdcHandle->interfaceHandle->endpointList.endpoint[count].transferType)
{
if (phdcHandle->interruptIn.pipeStall)
{
phdcHandle->interruptIn.pipeStall = 0U;
if ((uint8_t*)USB_UNINITIALIZED_VAL_32 != phdcHandle->interruptIn.pipeDataBuffer)
{
error = USB_DeviceSendRequest(phdcHandle->handle, (phdcHandle->interruptIn.ep),
phdcHandle->interruptIn.pipeDataBuffer, phdcHandle->interruptIn.pipeDataLen);
if (kStatus_USB_Success != error)
{
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
endpointCallbackMessage.buffer = phdcHandle->interruptIn.pipeDataBuffer;
endpointCallbackMessage.length = phdcHandle->interruptIn.pipeDataLen;
endpointCallbackMessage.isSetup = 0U;
USB_DevicePhdcInterruptInCallback(phdcHandle->handle,(void*)&endpointCallbackMessage, handle);
}
phdcHandle->interruptIn.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->interruptIn.pipeDataLen = 0U;
}
}
}
else if (USB_IN == ((phdcHandle->interfaceHandle->endpointList.endpoint[count].endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
{
if (phdcHandle->bulkIn.pipeStall)
{
phdcHandle->bulkIn.pipeStall = 0U;
if ((uint8_t*)USB_UNINITIALIZED_VAL_32 != phdcHandle->bulkIn.pipeDataBuffer)
{
error = USB_DeviceSendRequest(phdcHandle->handle, (phdcHandle->bulkIn.ep),
phdcHandle->bulkIn.pipeDataBuffer, phdcHandle->bulkIn.pipeDataLen);
if (kStatus_USB_Success != error)
{
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
endpointCallbackMessage.buffer = phdcHandle->bulkIn.pipeDataBuffer;
endpointCallbackMessage.length = phdcHandle->bulkIn.pipeDataLen;
endpointCallbackMessage.isSetup = 0U;
USB_DevicePhdcBulkInCallback(phdcHandle->handle,(void*)&endpointCallbackMessage, handle);
}
phdcHandle->bulkIn.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->bulkIn.pipeDataLen = 0U;
}
}
}
else
{
if (phdcHandle->bulkOut.pipeStall)
{
phdcHandle->bulkOut.pipeStall = 0U;
if ((uint8_t*)USB_UNINITIALIZED_VAL_32 != phdcHandle->bulkOut.pipeDataBuffer)
{
error = USB_DeviceRecvRequest(phdcHandle->handle, (phdcHandle->bulkOut.ep),
phdcHandle->bulkOut.pipeDataBuffer, phdcHandle->bulkOut.pipeDataLen);
if (kStatus_USB_Success != error)
{
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
endpointCallbackMessage.buffer = phdcHandle->bulkOut.pipeDataBuffer;
endpointCallbackMessage.length = phdcHandle->bulkOut.pipeDataLen;
endpointCallbackMessage.isSetup = 0U;
USB_DevicePhdcBulkOutCallback(phdcHandle->handle, (void*)&endpointCallbackMessage, handle);
}
phdcHandle->bulkOut.pipeDataBuffer = (uint8_t*)USB_UNINITIALIZED_VAL_32;
phdcHandle->bulkOut.pipeDataLen = 0U;
}
}
}
}
}
break;
case kUSB_DeviceClassEventClassRequest:
if (param)
{
usb_device_control_request_struct_t *controlRequest = (usb_device_control_request_struct_t *)param;
if ((controlRequest->setup->bmRequestType & USB_REQUEST_TYPE_RECIPIENT_MASK) !=
USB_REQUEST_TYPE_RECIPIENT_INTERFACE)
{
break;
}
if ((controlRequest->setup->wIndex & 0xFF) != phdcHandle->interfaceNumber)
{
break;
}
switch (controlRequest->setup->bRequest)
{
case USB_DEVICE_PHDC_REQUEST_SET_FEATURE:
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback(
(class_handle_t)phdcHandle, kUSB_DevicePhdcEventSetFeature, &controlRequest->setup->wValue);
}
break;
case USB_DEVICE_PHDC_REQUEST_CLEAR_FEATURE:
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback((class_handle_t)phdcHandle,
kUSB_DevicePhdcEventClearFeature,
&controlRequest->setup->wValue);
}
break;
case USB_DEVICE_PHDC_REQUEST_GET_STATUS:
{
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
it is from the second parameter of classInit */
error = phdcHandle->configStruct->classCallback((class_handle_t)phdcHandle,
kUSB_DevicePhdcEventGetStatus, controlRequest);
}
break;
default:
error = kStatus_USB_InvalidRequest;
break;
}
}
break;
default:
error = kStatus_USB_InvalidRequest;
break;
}
return error;
}
/*!
* @brief Initialize the PHDC class.
*
* This function is used to initialize the PHDC class.
*
* @param controllerId The controller id of the USB IP. Please refer to the enumeration usb_controller_index_t.
* @param config The class configuration information.
* @param handle It is output parameter, is used to return pointer of the PHDC class handle to the caller.
*
* @retval kStatus_USB_Success The PHDC class is initialized successfully.
* @retval kStatus_USB_Busy No PHDC device handle available for allocation.
* @retval kStatus_USB_InvalidHandle The PHDC device handle allocation failure.
* @retval kStatus_USB_InvalidParameter The USB device handle allocation failure.
*/
usb_status_t USB_DevicePhdcInit(uint8_t controllerId, usb_device_class_config_struct_t *config, class_handle_t *handle)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
error = USB_DevicePhdcAllocateHandle(&phdcHandle);
if (kStatus_USB_Success != error)
{
return error;
}
error = USB_DeviceClassGetDeviceHandle(controllerId, &phdcHandle->handle);
if (kStatus_USB_Success != error)
{
return error;
}
if (!phdcHandle->handle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle->configStruct = config;
phdcHandle->configuration = 0U;
phdcHandle->alternate = 0xff;
*handle = (class_handle_t)phdcHandle;
return error;
}
/*!
* @brief De-initialize the device PHDC class.
*
* The function de-initializes the device PHDC class.
*
* @param handle The PHDC class handle got from usb_device_class_config_struct_t::classHandle.
*
* @retval kStatus_USB_InvalidHandle The device handle not be found.
* @retva; kStatus_USB_Success The PHDC class is de-initialized successful.
*/
usb_status_t USB_DevicePhdcDeinit(class_handle_t handle)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error = kStatus_USB_Error;
phdcHandle = (usb_device_phdc_struct_t *)handle;
if (!phdcHandle)
{
return kStatus_USB_InvalidHandle;
}
error = USB_DevicePhdcEndpointsDeinit(phdcHandle);
USB_DevicePhdcFreeHandle(phdcHandle);
return error;
}
/*!
* @brief Send data through a specified endpoint.
*
* The function is used to send data through a specified endpoint.
* The function calls #USB_DeviceSendRequest internally.
*
* @param[in] handle The PHDC class handle got from usb_device_class_config_struct_t::classHandle.
* @param[in] ep Endpoint index.
* @param[in] buffer The memory address to hold the data need to be sent.
* @param[in] length The data length need to be sent.
*
* @retval kStatus_USB_InvalidHandle The device handle not be found.
* @retval kStatus_USB_Busy The previous transfer is pending.
* @retva; kStatus_USB_Success The sending is successful.
*/
usb_status_t USB_DevicePhdcSend(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length)
{
usb_device_phdc_struct_t *phdcHandle;
usb_device_phdc_pipe_t *pipe;
usb_status_t error;
if (!handle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle = (usb_device_phdc_struct_t *)handle;
if (phdcHandle->bulkIn.ep == ep)
{
pipe = &(phdcHandle->bulkIn);
}
else if (phdcHandle->interruptIn.ep == ep)
{
pipe = &(phdcHandle->interruptIn);
}
else
{
return kStatus_USB_InvalidParameter;
}
if (1U == pipe->isBusy)
{
return kStatus_USB_Busy;
}
pipe->isBusy = 1U;
if (pipe->pipeStall)
{
pipe->pipeDataBuffer = buffer;
pipe->pipeDataLen = length;
return kStatus_USB_Success;
}
error = USB_DeviceSendRequest(phdcHandle->handle, ep, buffer, length);
if (kStatus_USB_Success != error)
{
pipe->isBusy = 0U;
}
return error;
}
/*!
* @brief Receive data through a specified endpoint.
*
* The function is used to receive data through a specified endpoint.
* The function calls #USB_DeviceRecvRequest internally.
*
* @param[in] handle The PHDC class handle got from usb_device_class_config_struct_t::classHandle.
* @param[in] ep Endpoint index.
* @param[in] buffer The memory address to save the received data.
* @param[in] length The data length want to be received.
*
* @retval kStatus_USB_InvalidHandle The device handle not be found.
* @retval kStatus_USB_Busy The previous transfer is pending.
* @retva; kStatus_USB_Success The receiving is successful.
*/
usb_status_t USB_DevicePhdcRecv(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length)
{
usb_device_phdc_struct_t *phdcHandle;
usb_status_t error;
if (!handle)
{
return kStatus_USB_InvalidHandle;
}
phdcHandle = (usb_device_phdc_struct_t *)handle;
if (1U == phdcHandle->bulkOut.isBusy)
{
return kStatus_USB_Busy;
}
phdcHandle->bulkOut.isBusy = 1U;
if (phdcHandle->bulkOut.pipeStall)
{
phdcHandle->bulkOut.pipeDataBuffer = buffer;
phdcHandle->bulkOut.pipeDataLen = length;
return kStatus_USB_Success;
}
error = USB_DeviceRecvRequest(phdcHandle->handle, ep, buffer, length);
if (kStatus_USB_Success != error)
{
phdcHandle->bulkOut.isBusy = 0U;
}
return error;
}
#endif