initial check in based on SVN revision 575
This commit is contained in:
878
usb/device/class/cdc/usb_device_cdc_acm.c
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878
usb/device/class/cdc/usb_device_cdc_acm.c
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@@ -0,0 +1,878 @@
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/*
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* Copyright (c) 2015, Freescale Semiconductor, Inc.
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* Copyright 2016, 2019 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "usb_device_config.h"
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#include "usb.h"
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#include "usb_device.h"
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#include "usb_device_class.h"
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#if USB_DEVICE_CONFIG_CDC_ACM
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#include "usb_device_cdc_acm.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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#define USB_CDC_ACM_ENTER_CRITICAL() \
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OSA_SR_ALLOC(); \
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OSA_ENTER_CRITICAL()
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#define USB_CDC_ACM_EXIT_CRITICAL() OSA_EXIT_CRITICAL()
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/*******************************************************************************
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* Variables
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******************************************************************************/
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/* CDC ACM device instance */
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USB_GLOBAL USB_RAM_ADDRESS_ALIGNMENT(USB_DATA_ALIGN_SIZE) static usb_device_cdc_acm_struct_t
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g_cdcAcmHandle[USB_DEVICE_CONFIG_CDC_ACM];
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/*******************************************************************************
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* Code
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******************************************************************************/
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/*!
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* @brief Allocates the CDC ACM device handle.
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*
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* This function allocates the CDC ACM device handle.
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*
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* @param handle The class handle of the CDC ACM class.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmAllocateHandle(usb_device_cdc_acm_struct_t **handle)
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{
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uint32_t count;
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for (count = 0; count < (uint32_t)USB_DEVICE_CONFIG_CDC_ACM; count++)
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{
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if (NULL == g_cdcAcmHandle[count].handle)
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{
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*handle = &g_cdcAcmHandle[count];
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return kStatus_USB_Success;
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}
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}
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return kStatus_USB_Busy;
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}
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/*!
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* @brief Frees the CDC ACM device handle.
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*
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* This function frees the CDC ACM device handle.
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*
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* @param handle The class handle of the CDC ACM class.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmFreeHandle(usb_device_cdc_acm_struct_t *handle)
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{
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handle->handle = NULL;
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handle->configStruct = NULL;
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handle->configuration = 0;
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handle->alternate = 0;
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return kStatus_USB_Success;
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}
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/*!
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* @brief Responds to the interrupt in endpoint event.
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*
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* This function responds to the interrupt in endpoint event.
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*
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* @param handle The device handle of the CDC ACM device.
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* @param message The pointer to the message of the endpoint callback.
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* @param callbackParam The pointer to the parameter of the callback.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmInterruptIn(usb_device_handle handle,
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usb_device_endpoint_callback_message_struct_t *message,
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void *callbackParam)
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{
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usb_device_cdc_acm_struct_t *cdcAcmHandle;
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usb_status_t error = kStatus_USB_Error;
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cdcAcmHandle = (usb_device_cdc_acm_struct_t *)callbackParam;
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if (NULL == cdcAcmHandle)
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{
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return kStatus_USB_InvalidHandle;
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}
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cdcAcmHandle->interruptIn.isBusy = 0U;
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if ((NULL != cdcAcmHandle->configStruct) && (NULL != cdcAcmHandle->configStruct->classCallback))
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{
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/*classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
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it is from the second parameter of classInit */
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error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
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kUSB_DeviceCdcEventSerialStateNotif, message);
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}
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return error;
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}
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/*!
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* @brief Responds to the bulk in endpoint event.
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*
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* This function responds to the bulk in endpoint event.
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*
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* @param handle The device handle of the CDC ACM device.
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* @param message The pointer to the message of the endpoint callback.
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* @param callbackParam The pointer to the parameter of the callback.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmBulkIn(usb_device_handle handle,
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usb_device_endpoint_callback_message_struct_t *message,
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void *callbackParam)
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{
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usb_device_cdc_acm_struct_t *cdcAcmHandle;
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usb_status_t status = kStatus_USB_Error;
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cdcAcmHandle = (usb_device_cdc_acm_struct_t *)callbackParam;
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if (NULL == cdcAcmHandle)
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{
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return kStatus_USB_InvalidHandle;
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}
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cdcAcmHandle->bulkIn.isBusy = 0;
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if ((NULL != cdcAcmHandle->configStruct) && (NULL != cdcAcmHandle->configStruct->classCallback))
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{
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/*classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
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it is from the second parameter of classInit */
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status = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
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kUSB_DeviceCdcEventSendResponse, message);
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}
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return status;
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}
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/*!
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* @brief Responds to the bulk out endpoint event.
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*
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* This function responds to the bulk out endpoint event.
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*
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* @param handle The device handle of the CDC ACM device.
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* @param message The pointer to the message of the endpoint callback.
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* @param callbackParam The pointer to the parameter of the callback.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmBulkOut(usb_device_handle handle,
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usb_device_endpoint_callback_message_struct_t *message,
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void *callbackParam)
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{
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usb_device_cdc_acm_struct_t *cdcAcmHandle;
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usb_status_t status = kStatus_USB_Error;
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cdcAcmHandle = (usb_device_cdc_acm_struct_t *)callbackParam;
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if (NULL == cdcAcmHandle)
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{
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return kStatus_USB_InvalidHandle;
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}
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cdcAcmHandle->bulkOut.isBusy = 0U;
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if ((NULL != cdcAcmHandle->configStruct) && (NULL != cdcAcmHandle->configStruct->classCallback))
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{
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/*classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
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it is from the second parameter of classInit */
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status = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
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kUSB_DeviceCdcEventRecvResponse, message);
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}
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return status;
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}
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/*!
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* @brief Initializes the endpoints in CDC ACM class.
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*
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* This function initializes the endpoints in CDC ACM class.
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*
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* @param cdcAcmHandle The class handle of the CDC ACM class.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmEndpointsInit(usb_device_cdc_acm_struct_t *cdcAcmHandle)
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{
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usb_device_interface_list_t *interfaceList;
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usb_device_interface_struct_t *interface = NULL;
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usb_status_t error = kStatus_USB_Error;
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uint32_t count;
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uint32_t index;
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if (NULL == cdcAcmHandle)
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{
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return error;
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}
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/* return error when configuration is invalid (0 or more than the configuration number) */
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if ((cdcAcmHandle->configuration == 0U) ||
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(cdcAcmHandle->configuration > cdcAcmHandle->configStruct->classInfomation->configurations))
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{
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return error;
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}
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interfaceList = &cdcAcmHandle->configStruct->classInfomation->interfaceList[cdcAcmHandle->configuration - 1U];
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for (count = 0; count < interfaceList->count; count++)
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{
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if (USB_DEVICE_CONFIG_CDC_COMM_CLASS_CODE == interfaceList->interfaces[count].classCode)
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{
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for (index = 0; index < interfaceList->interfaces[count].count; index++)
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{
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if (interfaceList->interfaces[count].interface[index].alternateSetting == cdcAcmHandle->alternate)
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{
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interface = &interfaceList->interfaces[count].interface[index];
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break;
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}
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}
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cdcAcmHandle->interfaceNumber = interfaceList->interfaces[count].interfaceNumber;
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break;
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}
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}
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if (NULL == interface)
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{
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return error;
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}
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cdcAcmHandle->commInterfaceHandle = interface;
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for (count = 0; count < interface->endpointList.count; count++)
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{
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usb_device_endpoint_init_struct_t epInitStruct;
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usb_device_endpoint_callback_struct_t epCallback;
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epInitStruct.zlt = 0;
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epInitStruct.interval = interface->endpointList.endpoint[count].interval;
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epInitStruct.endpointAddress = interface->endpointList.endpoint[count].endpointAddress;
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epInitStruct.maxPacketSize = interface->endpointList.endpoint[count].maxPacketSize;
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epInitStruct.transferType = interface->endpointList.endpoint[count].transferType;
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if ((USB_IN == ((epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
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USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)) &&
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(USB_ENDPOINT_INTERRUPT == epInitStruct.transferType))
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{
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cdcAcmHandle->interruptIn.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
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cdcAcmHandle->interruptIn.isBusy = 0;
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cdcAcmHandle->interruptIn.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
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cdcAcmHandle->interruptIn.pipeStall = 0U;
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cdcAcmHandle->interruptIn.pipeDataLen = 0U;
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epCallback.callbackFn = USB_DeviceCdcAcmInterruptIn;
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}
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epCallback.callbackParam = cdcAcmHandle;
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error = USB_DeviceInitEndpoint(cdcAcmHandle->handle, &epInitStruct, &epCallback);
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if (kStatus_USB_Success != error)
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{
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return error;
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}
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}
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for (count = 0; count < interfaceList->count; count++)
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{
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if (USB_DEVICE_CONFIG_CDC_DATA_CLASS_CODE == interfaceList->interfaces[count].classCode)
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{
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for (index = 0; index < interfaceList->interfaces[count].count; index++)
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{
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if (interfaceList->interfaces[count].interface[index].alternateSetting == cdcAcmHandle->alternate)
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{
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interface = &interfaceList->interfaces[count].interface[index];
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break;
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}
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}
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break;
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}
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}
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cdcAcmHandle->dataInterfaceHandle = interface;
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for (count = 0; count < interface->endpointList.count; count++)
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{
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usb_device_endpoint_init_struct_t epInitStruct;
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usb_device_endpoint_callback_struct_t epCallback;
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epInitStruct.zlt = 0;
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epInitStruct.interval = interface->endpointList.endpoint[count].interval;
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epInitStruct.endpointAddress = interface->endpointList.endpoint[count].endpointAddress;
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epInitStruct.maxPacketSize = interface->endpointList.endpoint[count].maxPacketSize;
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epInitStruct.transferType = interface->endpointList.endpoint[count].transferType;
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if ((USB_IN == ((epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
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USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)) &&
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(USB_ENDPOINT_BULK == epInitStruct.transferType))
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{
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cdcAcmHandle->bulkIn.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
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cdcAcmHandle->bulkIn.isBusy = 0;
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cdcAcmHandle->bulkIn.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
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cdcAcmHandle->bulkIn.pipeStall = 0U;
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cdcAcmHandle->bulkIn.pipeDataLen = 0U;
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epCallback.callbackFn = USB_DeviceCdcAcmBulkIn;
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}
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else if ((USB_OUT == ((epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
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USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)) &&
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(USB_ENDPOINT_BULK == epInitStruct.transferType))
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{
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cdcAcmHandle->bulkOut.ep = (epInitStruct.endpointAddress & USB_DESCRIPTOR_ENDPOINT_ADDRESS_NUMBER_MASK);
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cdcAcmHandle->bulkOut.isBusy = 0;
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cdcAcmHandle->bulkOut.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
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cdcAcmHandle->bulkOut.pipeStall = 0U;
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cdcAcmHandle->bulkOut.pipeDataLen = 0U;
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epCallback.callbackFn = USB_DeviceCdcAcmBulkOut;
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}
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else
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{
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/*no action*/
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}
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epCallback.callbackParam = cdcAcmHandle;
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error = USB_DeviceInitEndpoint(cdcAcmHandle->handle, &epInitStruct, &epCallback);
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}
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return error;
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}
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/*!
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* @brief De-initializes the endpoints in CDC ACM class.
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*
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* This function de-initializes the endpoints in CDC ACM class.
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*
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* @param cdcAcmHandle The class handle of the CDC ACM class.
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* @return A USB error code or kStatus_USB_Success.
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*/
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static usb_status_t USB_DeviceCdcAcmEndpointsDeinit(usb_device_cdc_acm_struct_t *cdcAcmHandle)
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{
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usb_status_t status = kStatus_USB_Error;
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uint32_t count;
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if ((NULL == cdcAcmHandle->commInterfaceHandle) || (NULL == cdcAcmHandle->dataInterfaceHandle))
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{
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return status;
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}
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for (count = 0; count < cdcAcmHandle->commInterfaceHandle->endpointList.count; count++)
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{
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status = USB_DeviceDeinitEndpoint(
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cdcAcmHandle->handle, cdcAcmHandle->commInterfaceHandle->endpointList.endpoint[count].endpointAddress);
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}
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for (count = 0; count < cdcAcmHandle->dataInterfaceHandle->endpointList.count; count++)
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{
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status = USB_DeviceDeinitEndpoint(
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cdcAcmHandle->handle, cdcAcmHandle->dataInterfaceHandle->endpointList.endpoint[count].endpointAddress);
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}
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cdcAcmHandle->commInterfaceHandle = NULL;
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cdcAcmHandle->dataInterfaceHandle = NULL;
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return status;
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}
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|
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/*!
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* @brief Handles the CDC ACM class event.
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*
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* This function responses to various events including the common device events and the class specific events.
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* For class specific events, it calls the class callback defined in the application to deal with the class specific
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* event.
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||||
*
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* @param handle The class handle of the CDC ACM class.
|
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* @param event The event type.
|
||||
* @param param The class handle of the CDC ACM class.
|
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* @return A USB error code or kStatus_USB_Success.
|
||||
*/
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usb_status_t USB_DeviceCdcAcmEvent(void *handle, uint32_t event, void *param)
|
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{
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usb_device_cdc_acm_struct_t *cdcAcmHandle;
|
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usb_device_cdc_acm_request_param_struct_t reqParam;
|
||||
usb_status_t error = kStatus_USB_Error;
|
||||
uint32_t count;
|
||||
uint16_t interfaceAlternate;
|
||||
uint8_t *temp8;
|
||||
uint8_t alternate;
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||||
usb_device_class_event_t eventCode = (usb_device_class_event_t)event;
|
||||
if ((NULL == param) || (NULL == handle))
|
||||
{
|
||||
return kStatus_USB_InvalidHandle;
|
||||
}
|
||||
|
||||
cdcAcmHandle = (usb_device_cdc_acm_struct_t *)handle;
|
||||
|
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switch (eventCode)
|
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{
|
||||
case kUSB_DeviceClassEventDeviceReset:
|
||||
/* Bus reset, clear the configuration. */
|
||||
cdcAcmHandle->configuration = 0;
|
||||
break;
|
||||
case kUSB_DeviceClassEventSetConfiguration:
|
||||
temp8 = ((uint8_t *)param);
|
||||
if (NULL == cdcAcmHandle->configStruct)
|
||||
{
|
||||
break;
|
||||
}
|
||||
if (*temp8 == cdcAcmHandle->configuration)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
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error = USB_DeviceCdcAcmEndpointsDeinit(cdcAcmHandle);
|
||||
cdcAcmHandle->configuration = *temp8;
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cdcAcmHandle->alternate = 0U;
|
||||
error = USB_DeviceCdcAcmEndpointsInit(cdcAcmHandle);
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("kUSB_DeviceClassEventSetConfiguration, USB_DeviceInitEndpoint fail\r\n");
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
case kUSB_DeviceClassEventSetInterface:
|
||||
if (NULL == cdcAcmHandle->configStruct)
|
||||
{
|
||||
break;
|
||||
}
|
||||
|
||||
interfaceAlternate = *((uint16_t *)param);
|
||||
alternate = (uint8_t)(interfaceAlternate & 0xFFU);
|
||||
|
||||
if (cdcAcmHandle->interfaceNumber != ((uint8_t)(interfaceAlternate >> 8U)))
|
||||
{
|
||||
break;
|
||||
}
|
||||
if (alternate == cdcAcmHandle->alternate)
|
||||
{
|
||||
break;
|
||||
}
|
||||
error = USB_DeviceCdcAcmEndpointsDeinit(cdcAcmHandle);
|
||||
cdcAcmHandle->alternate = alternate;
|
||||
error = USB_DeviceCdcAcmEndpointsInit(cdcAcmHandle);
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("kUSB_DeviceClassEventSetInterface, USB_DeviceInitEndpoint fail\r\n");
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
case kUSB_DeviceClassEventSetEndpointHalt:
|
||||
if ((NULL == cdcAcmHandle->configStruct) || (NULL == cdcAcmHandle->commInterfaceHandle) ||
|
||||
(NULL == cdcAcmHandle->dataInterfaceHandle))
|
||||
{
|
||||
break;
|
||||
}
|
||||
temp8 = ((uint8_t *)param);
|
||||
for (count = 0; count < cdcAcmHandle->commInterfaceHandle->endpointList.count; count++)
|
||||
{
|
||||
if (*temp8 == cdcAcmHandle->commInterfaceHandle->endpointList.endpoint[count].endpointAddress)
|
||||
{
|
||||
cdcAcmHandle->interruptIn.pipeStall = 1U;
|
||||
error = USB_DeviceStallEndpoint(cdcAcmHandle->handle, *temp8);
|
||||
}
|
||||
}
|
||||
for (count = 0; count < cdcAcmHandle->dataInterfaceHandle->endpointList.count; count++)
|
||||
{
|
||||
if (*temp8 == cdcAcmHandle->dataInterfaceHandle->endpointList.endpoint[count].endpointAddress)
|
||||
{
|
||||
if (USB_IN == (((*temp8) & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
|
||||
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
|
||||
{
|
||||
cdcAcmHandle->bulkIn.pipeStall = 1U;
|
||||
}
|
||||
else
|
||||
{
|
||||
cdcAcmHandle->bulkOut.pipeStall = 1U;
|
||||
}
|
||||
error = USB_DeviceStallEndpoint(cdcAcmHandle->handle, *temp8);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case kUSB_DeviceClassEventClearEndpointHalt:
|
||||
if ((NULL == cdcAcmHandle->configStruct) || (NULL == cdcAcmHandle->commInterfaceHandle) ||
|
||||
(NULL == cdcAcmHandle->dataInterfaceHandle))
|
||||
{
|
||||
break;
|
||||
}
|
||||
temp8 = ((uint8_t *)param);
|
||||
for (count = 0; count < cdcAcmHandle->commInterfaceHandle->endpointList.count; count++)
|
||||
{
|
||||
if (*temp8 == cdcAcmHandle->commInterfaceHandle->endpointList.endpoint[count].endpointAddress)
|
||||
{
|
||||
error = USB_DeviceUnstallEndpoint(cdcAcmHandle->handle, *temp8);
|
||||
if (USB_IN == (((*temp8) & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
|
||||
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
|
||||
{
|
||||
if (0U != cdcAcmHandle->interruptIn.pipeStall)
|
||||
{
|
||||
cdcAcmHandle->interruptIn.pipeStall = 0U;
|
||||
if ((uint8_t *)USB_INVALID_TRANSFER_BUFFER != cdcAcmHandle->interruptIn.pipeDataBuffer)
|
||||
{
|
||||
error = USB_DeviceSendRequest(cdcAcmHandle->handle, (cdcAcmHandle->interruptIn.ep),
|
||||
cdcAcmHandle->interruptIn.pipeDataBuffer,
|
||||
cdcAcmHandle->interruptIn.pipeDataLen);
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
|
||||
endpointCallbackMessage.buffer = cdcAcmHandle->interruptIn.pipeDataBuffer;
|
||||
endpointCallbackMessage.length = cdcAcmHandle->interruptIn.pipeDataLen;
|
||||
endpointCallbackMessage.isSetup = 0U;
|
||||
(void)USB_DeviceCdcAcmBulkIn(cdcAcmHandle->handle, (void *)&endpointCallbackMessage,
|
||||
handle);
|
||||
}
|
||||
cdcAcmHandle->interruptIn.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
|
||||
cdcAcmHandle->interruptIn.pipeDataLen = 0U;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
for (count = 0; count < cdcAcmHandle->dataInterfaceHandle->endpointList.count; count++)
|
||||
{
|
||||
if (*temp8 == cdcAcmHandle->dataInterfaceHandle->endpointList.endpoint[count].endpointAddress)
|
||||
{
|
||||
error = USB_DeviceUnstallEndpoint(cdcAcmHandle->handle, *temp8);
|
||||
if (USB_IN == (((*temp8) & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK) >>
|
||||
USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT))
|
||||
{
|
||||
if (0U != cdcAcmHandle->bulkIn.pipeStall)
|
||||
{
|
||||
cdcAcmHandle->bulkIn.pipeStall = 0U;
|
||||
if ((uint8_t *)USB_INVALID_TRANSFER_BUFFER != cdcAcmHandle->bulkIn.pipeDataBuffer)
|
||||
{
|
||||
error = USB_DeviceSendRequest(cdcAcmHandle->handle, (cdcAcmHandle->bulkIn.ep),
|
||||
cdcAcmHandle->bulkIn.pipeDataBuffer,
|
||||
cdcAcmHandle->bulkIn.pipeDataLen);
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
|
||||
endpointCallbackMessage.buffer = cdcAcmHandle->bulkIn.pipeDataBuffer;
|
||||
endpointCallbackMessage.length = cdcAcmHandle->bulkIn.pipeDataLen;
|
||||
endpointCallbackMessage.isSetup = 0U;
|
||||
(void)USB_DeviceCdcAcmBulkIn(cdcAcmHandle->handle, (void *)&endpointCallbackMessage,
|
||||
handle);
|
||||
}
|
||||
cdcAcmHandle->bulkIn.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
|
||||
cdcAcmHandle->bulkIn.pipeDataLen = 0U;
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (0U != cdcAcmHandle->bulkOut.pipeStall)
|
||||
{
|
||||
cdcAcmHandle->bulkOut.pipeStall = 0U;
|
||||
if ((uint8_t *)USB_INVALID_TRANSFER_BUFFER != cdcAcmHandle->bulkOut.pipeDataBuffer)
|
||||
{
|
||||
error = USB_DeviceRecvRequest(cdcAcmHandle->handle, (cdcAcmHandle->bulkOut.ep),
|
||||
cdcAcmHandle->bulkOut.pipeDataBuffer,
|
||||
cdcAcmHandle->bulkOut.pipeDataLen);
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
usb_device_endpoint_callback_message_struct_t endpointCallbackMessage;
|
||||
endpointCallbackMessage.buffer = cdcAcmHandle->bulkOut.pipeDataBuffer;
|
||||
endpointCallbackMessage.length = cdcAcmHandle->bulkOut.pipeDataLen;
|
||||
endpointCallbackMessage.isSetup = 0U;
|
||||
(void)USB_DeviceCdcAcmBulkOut(cdcAcmHandle->handle,
|
||||
(void *)&endpointCallbackMessage, handle);
|
||||
}
|
||||
cdcAcmHandle->bulkOut.pipeDataBuffer = (uint8_t *)USB_INVALID_TRANSFER_BUFFER;
|
||||
cdcAcmHandle->bulkOut.pipeDataLen = 0U;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
case kUSB_DeviceClassEventClassRequest:
|
||||
|
||||
{
|
||||
usb_device_control_request_struct_t *controlRequest = (usb_device_control_request_struct_t *)param;
|
||||
|
||||
if ((controlRequest->setup->wIndex & 0xFFU) != cdcAcmHandle->interfaceNumber)
|
||||
{
|
||||
break;
|
||||
}
|
||||
/* Standard CDC request */
|
||||
if (USB_REQUEST_TYPE_TYPE_CLASS == (controlRequest->setup->bmRequestType & USB_REQUEST_TYPE_TYPE_MASK))
|
||||
{
|
||||
reqParam.buffer = &(controlRequest->buffer);
|
||||
reqParam.length = &(controlRequest->length);
|
||||
reqParam.interfaceIndex = controlRequest->setup->wIndex;
|
||||
reqParam.setupValue = controlRequest->setup->wValue;
|
||||
reqParam.isSetup = controlRequest->isSetup;
|
||||
switch (controlRequest->setup->bRequest)
|
||||
{
|
||||
case USB_DEVICE_CDC_REQUEST_SEND_ENCAPSULATED_COMMAND:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback(
|
||||
(class_handle_t)cdcAcmHandle, kUSB_DeviceCdcEventSendEncapsulatedCommand, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_GET_ENCAPSULATED_RESPONSE:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback(
|
||||
(class_handle_t)cdcAcmHandle, kUSB_DeviceCdcEventGetEncapsulatedResponse, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_SET_COMM_FEATURE:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
|
||||
kUSB_DeviceCdcEventSetCommFeature, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_GET_COMM_FEATURE:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
|
||||
kUSB_DeviceCdcEventGetCommFeature, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_CLEAR_COMM_FEATURE:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback(
|
||||
(class_handle_t)cdcAcmHandle, kUSB_DeviceCdcEventClearCommFeature, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_GET_LINE_CODING:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
|
||||
kUSB_DeviceCdcEventGetLineCoding, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_SET_LINE_CODING:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
|
||||
kUSB_DeviceCdcEventSetLineCoding, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_SET_CONTROL_LINE_STATE:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback(
|
||||
(class_handle_t)cdcAcmHandle, kUSB_DeviceCdcEventSetControlLineState, &reqParam);
|
||||
break;
|
||||
case USB_DEVICE_CDC_REQUEST_SEND_BREAK:
|
||||
/* classCallback is initialized in classInit of s_UsbDeviceClassInterfaceMap,
|
||||
it is from the second parameter of classInit */
|
||||
error = cdcAcmHandle->configStruct->classCallback((class_handle_t)cdcAcmHandle,
|
||||
kUSB_DeviceCdcEventSendBreak, &reqParam);
|
||||
break;
|
||||
default:
|
||||
error = kStatus_USB_InvalidRequest;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
/*no action*/
|
||||
break;
|
||||
}
|
||||
return error;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief Initializes the USB CDC ACM class.
|
||||
*
|
||||
* This function obtains a usb device handle according to the controller id, initializes the CDC ACM class
|
||||
* with the class configure parameters and creates the mutex for each pipe.
|
||||
*
|
||||
* @param controllerId The id of the controller. The value can be choosen from kUSB_ControllerKhci0,
|
||||
* kUSB_ControllerKhci1, kUSB_ControllerEhci0 or kUSB_ControllerEhci1.
|
||||
* @param config The user configuration structure of type usb_device_class_config_struct_t. The user
|
||||
* populates the members of this structure and passes the pointer of this structure
|
||||
* into this function.
|
||||
* @param handle It is out parameter. The class handle of the CDC ACM class.
|
||||
* @return A USB error code or kStatus_USB_Success.
|
||||
*/
|
||||
usb_status_t USB_DeviceCdcAcmInit(uint8_t controllerId,
|
||||
usb_device_class_config_struct_t *config,
|
||||
class_handle_t *handle)
|
||||
{
|
||||
usb_device_cdc_acm_struct_t *cdcAcmHandle;
|
||||
usb_status_t error;
|
||||
|
||||
error = USB_DeviceCdcAcmAllocateHandle(&cdcAcmHandle);
|
||||
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
return error;
|
||||
}
|
||||
|
||||
error = USB_DeviceClassGetDeviceHandle(controllerId, &cdcAcmHandle->handle);
|
||||
|
||||
if (kStatus_USB_Success != error)
|
||||
{
|
||||
return error;
|
||||
}
|
||||
|
||||
if (NULL == cdcAcmHandle->handle)
|
||||
{
|
||||
return kStatus_USB_InvalidHandle;
|
||||
}
|
||||
cdcAcmHandle->configStruct = config;
|
||||
cdcAcmHandle->configuration = 0;
|
||||
cdcAcmHandle->alternate = 0xFF;
|
||||
|
||||
cdcAcmHandle->bulkIn.mutex = (osa_mutex_handle_t)&cdcAcmHandle->bulkIn.mutexBuffer[0];
|
||||
if (KOSA_StatusSuccess != OSA_MutexCreate((cdcAcmHandle->bulkIn.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex create error!");
|
||||
#endif
|
||||
}
|
||||
cdcAcmHandle->bulkOut.mutex = (osa_mutex_handle_t)&cdcAcmHandle->bulkOut.mutexBuffer[0];
|
||||
if (KOSA_StatusSuccess != OSA_MutexCreate((cdcAcmHandle->bulkOut.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex create error!");
|
||||
#endif
|
||||
}
|
||||
cdcAcmHandle->interruptIn.mutex = (osa_mutex_handle_t)&cdcAcmHandle->interruptIn.mutexBuffer[0];
|
||||
if (KOSA_StatusSuccess != OSA_MutexCreate((cdcAcmHandle->interruptIn.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex create error!");
|
||||
#endif
|
||||
}
|
||||
*handle = (class_handle_t)cdcAcmHandle;
|
||||
return error;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief De-Initializes the USB CDC ACM class.
|
||||
*
|
||||
* This function destroys the mutex for each pipe, deinit each endpoint of the CDC ACM class and free
|
||||
* the CDC ACM class handle.
|
||||
*
|
||||
* @param handle The class handle of the CDC ACM class.
|
||||
* @return A USB error code or kStatus_USB_Success.
|
||||
*/
|
||||
usb_status_t USB_DeviceCdcAcmDeinit(class_handle_t handle)
|
||||
{
|
||||
usb_device_cdc_acm_struct_t *cdcAcmHandle;
|
||||
usb_status_t error;
|
||||
|
||||
cdcAcmHandle = (usb_device_cdc_acm_struct_t *)handle;
|
||||
|
||||
if (NULL == cdcAcmHandle)
|
||||
{
|
||||
return kStatus_USB_InvalidHandle;
|
||||
}
|
||||
if (KOSA_StatusSuccess != OSA_MutexDestroy((cdcAcmHandle->bulkIn.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex destroy error!");
|
||||
#endif
|
||||
}
|
||||
if (KOSA_StatusSuccess != OSA_MutexDestroy((cdcAcmHandle->bulkOut.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex destroy error!");
|
||||
#endif
|
||||
}
|
||||
if (KOSA_StatusSuccess != OSA_MutexDestroy((cdcAcmHandle->interruptIn.mutex)))
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void)usb_echo("mutex destroy error!");
|
||||
#endif
|
||||
}
|
||||
error = USB_DeviceCdcAcmEndpointsDeinit(cdcAcmHandle);
|
||||
(void)USB_DeviceCdcAcmFreeHandle(cdcAcmHandle);
|
||||
return error;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief Prime the endpoint to send packet to host.
|
||||
*
|
||||
* This function checks whether the endpoint is sending packet, then it primes the endpoint
|
||||
* with the buffer address and the buffer length if the pipe is not busy. Otherwise, it ignores this transfer by
|
||||
* returning an error code.
|
||||
*
|
||||
* @param handle The class handle of the CDC ACM class.
|
||||
* @param ep The endpoint number of the transfer.
|
||||
* @param buffer The pointer to the buffer to be transferred.
|
||||
* @param length The length of the buffer to be transferred.
|
||||
* @return A USB error code or kStatus_USB_Success.
|
||||
*/
|
||||
usb_status_t USB_DeviceCdcAcmSend(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length)
|
||||
{
|
||||
usb_device_cdc_acm_struct_t *cdcAcmHandle;
|
||||
usb_status_t status = kStatus_USB_Error;
|
||||
usb_device_cdc_acm_pipe_t *cdcAcmPipe = NULL;
|
||||
|
||||
if (NULL == handle)
|
||||
{
|
||||
return kStatus_USB_InvalidHandle;
|
||||
}
|
||||
cdcAcmHandle = (usb_device_cdc_acm_struct_t *)handle;
|
||||
|
||||
if (cdcAcmHandle->bulkIn.ep == ep)
|
||||
{
|
||||
cdcAcmPipe = &(cdcAcmHandle->bulkIn);
|
||||
}
|
||||
else if (cdcAcmHandle->interruptIn.ep == ep)
|
||||
{
|
||||
cdcAcmPipe = &(cdcAcmHandle->interruptIn);
|
||||
}
|
||||
else
|
||||
{
|
||||
/*no action*/
|
||||
}
|
||||
|
||||
if (NULL != cdcAcmPipe)
|
||||
{
|
||||
if (1U == cdcAcmPipe->isBusy)
|
||||
{
|
||||
return kStatus_USB_Busy;
|
||||
}
|
||||
cdcAcmPipe->isBusy = 1U;
|
||||
|
||||
if (0u != cdcAcmPipe->pipeStall)
|
||||
{
|
||||
cdcAcmPipe->pipeDataBuffer = buffer;
|
||||
cdcAcmPipe->pipeDataLen = length;
|
||||
return kStatus_USB_Success;
|
||||
}
|
||||
|
||||
status = USB_DeviceSendRequest(cdcAcmHandle->handle, ep, buffer, length);
|
||||
if (kStatus_USB_Success != status)
|
||||
{
|
||||
cdcAcmPipe->isBusy = 0U;
|
||||
}
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
/*!
|
||||
* @brief Prime the endpoint to receive packet from host.
|
||||
*
|
||||
* This function checks whether the endpoint is receiving packet, then it primes the endpoint
|
||||
* with the buffer address and the buffer length if the pipe is not busy. Otherwise, it ignores this transfer by
|
||||
* returning an error code.
|
||||
*
|
||||
* @param handle The class handle of the CDC ACM class.
|
||||
* @param ep The endpoint number of the transfer.
|
||||
* @param buffer The pointer to the buffer to be transferred.
|
||||
* @param length The length of the buffer to be transferred.
|
||||
* @return A USB error code or kStatus_USB_Success.
|
||||
*/
|
||||
usb_status_t USB_DeviceCdcAcmRecv(class_handle_t handle, uint8_t ep, uint8_t *buffer, uint32_t length)
|
||||
{
|
||||
usb_device_cdc_acm_struct_t *cdcAcmHandle;
|
||||
usb_status_t status;
|
||||
if (NULL == handle)
|
||||
{
|
||||
return kStatus_USB_InvalidHandle;
|
||||
}
|
||||
cdcAcmHandle = (usb_device_cdc_acm_struct_t *)handle;
|
||||
|
||||
if (1U == cdcAcmHandle->bulkOut.isBusy)
|
||||
{
|
||||
return kStatus_USB_Busy;
|
||||
}
|
||||
cdcAcmHandle->bulkOut.isBusy = 1U;
|
||||
|
||||
if (0U != cdcAcmHandle->bulkOut.pipeStall)
|
||||
{
|
||||
cdcAcmHandle->bulkOut.pipeDataBuffer = buffer;
|
||||
cdcAcmHandle->bulkOut.pipeDataLen = length;
|
||||
return kStatus_USB_Success;
|
||||
}
|
||||
|
||||
status = USB_DeviceRecvRequest(cdcAcmHandle->handle, ep, buffer, length);
|
||||
if (kStatus_USB_Success != status)
|
||||
{
|
||||
cdcAcmHandle->bulkOut.isBusy = 0U;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
#endif /* USB_DEVICE_CONFIG_CDC_ACM */
|
||||
Reference in New Issue
Block a user