RT1050_FreeRTOS_USB_Hello/source/usb_device_interface_4_cic_...

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22 KiB
C

/*
* Copyright 2015-2016, Freescale Semiconductor, Inc.
* Copyright 2016-2021 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "usb_device_config.h"
#include "usb.h"
#include "usb_device.h"
#include "usb_device_class.h"
#include "usb_device_cdc_acm.h"
#include "usb_device_ch9.h"
#include "usb_device_descriptor.h"
#include "usb_device_composite.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/* Outgoing notification buffer number */
#define USB_CIC_VCOM_IN_ENDPOINT (5)
/* Outgoing data buffer number */
#define USB_DIC_VCOM_IN_ENDPOINT (6)
/* Outgoing data buffer index */
#define USB_DIC_VCOM_IN_ENDPOINT_INDEX (0)
/* Incoming data buffer number */
#define USB_DIC_VCOM_OUT_ENDPOINT (3)
/* Incoming data buffer index */
#define USB_DIC_VCOM_OUT_ENDPOINT_INDEX (1)
/* Data packet size for High Speed */
#define HS_DIC_VCOM_OUT_PACKET_SIZE (512)
/* Data packet size for Full Speed */
#define FS_DIC_VCOM_OUT_PACKET_SIZE (64)
#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0)
#define DATA_BUFF_SIZE HS_DIC_VCOM_OUT_PACKET_SIZE
#endif
#if defined(USB_DEVICE_CONFIG_KHCI) && (USB_DEVICE_CONFIG_KHCI > 0)
#define DATA_BUFF_SIZE FS_DIC_VCOM_OUT_PACKET_SIZE
#endif
#if defined(USB_DEVICE_CONFIG_LPCIP3511FS) && (USB_DEVICE_CONFIG_LPCIP3511FS > 0U)
#define DATA_BUFF_SIZE FS_DIC_VCOM_OUT_PACKET_SIZE
#endif
#if defined(USB_DEVICE_CONFIG_LPCIP3511HS) && (USB_DEVICE_CONFIG_LPCIP3511HS > 0U)
#define DATA_BUFF_SIZE HS_DIC_VCOM_OUT_PACKET_SIZE
#endif
/* Currently configured line coding */
#define LINE_CODING_SIZE (0x07U)
#define LINE_CODING_DTERATE (115200U)
#define LINE_CODING_CHARFORMAT (0x00U)
#define LINE_CODING_PARITYTYPE (0x00U)
#define LINE_CODING_DATABITS (0x08U)
/* Communications feature */
#define COMM_FEATURE_DATA_SIZE (0x02U)
#define STATUS_ABSTRACT_STATE (0x0000U)
#define COUNTRY_SETTING (0x0000U)
/* Notification of serial state */
#define NOTIF_PACKET_SIZE (0x08U)
#define UART_BITMAP_SIZE (0x02U)
#define NOTIF_REQUEST_TYPE (0xA1U)
/* Define the types for application */
typedef struct _usb_cdc_vcom_struct
{
class_handle_t cdcAcmHandle; /* USB CDC ACM class handle. */
volatile uint8_t startTransactions; /* A flag to indicate whether a CDC device is ready to transmit and receive data. */
} usb_cdc_vcom_struct_t;
/* Define the information relates to abstract control model */
typedef struct _usb_cdc_acm_info
{
uint8_t serialStateBuf[NOTIF_PACKET_SIZE + UART_BITMAP_SIZE]; /* Serial state buffer of the CDC device to notify the
serial state to host. */
bool dtePresent; /* A flag to indicate whether DTE is present. */
uint16_t breakDuration; /* Length of time in milliseconds of the break signal */
uint8_t dteStatus; /* Status of data terminal equipment */
uint8_t currentInterface; /* Current interface index. */
uint16_t uartState; /* UART state of the CDC device. */
} usb_cdc_acm_info_t;
/*******************************************************************************
* Prototypes
******************************************************************************/
usb_status_t USB_DeviceInterface4CicVcomCallback(class_handle_t handle, uint32_t event, void *param);
usb_status_t USB_DeviceInterface4CicVcomSetConfiguration(class_handle_t handle, uint8_t configuration_idx);
usb_status_t USB_DeviceInterface4CicVcomSetInterface(class_handle_t handle, uint8_t alternateSetting);
usb_status_t USB_DeviceInterface5DicVcomSetInterface(class_handle_t handle, uint8_t alternateSetting);
usb_status_t USB_DeviceInterface4CicVcomInit(usb_device_composite_struct_t *deviceComposite);
/*******************************************************************************
* Variables
******************************************************************************/
extern usb_device_endpoint_struct_t g_UsbDeviceInterface5DicVcomSetting0DefaultEndpoints[];
/* Line coding of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_lineCoding[LINE_CODING_SIZE] = {
/* E.g. 0x00,0xC2,0x01,0x00 : 0x0001C200 is 115200 bits per second */
(LINE_CODING_DTERATE >> 0U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 8U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 16U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 24U) & 0x000000FFU,
LINE_CODING_CHARFORMAT,
LINE_CODING_PARITYTYPE,
LINE_CODING_DATABITS};
/* Abstract state of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_abstractState[COMM_FEATURE_DATA_SIZE] = {(STATUS_ABSTRACT_STATE >> 0U) & 0x00FFU,
(STATUS_ABSTRACT_STATE >> 8U) & 0x00FFU};
/* Country code of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_countryCode[COMM_FEATURE_DATA_SIZE] = {(COUNTRY_SETTING >> 0U) & 0x00FFU,
(COUNTRY_SETTING >> 8U) & 0x00FFU};
/* CDC ACM information */
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static usb_cdc_acm_info_t s_usbCdcAcmInfo;
/* Data buffer for receiving and sending*/
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currRecvBuf[DATA_BUFF_SIZE];
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currSendBuf[DATA_BUFF_SIZE];
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) volatile static uint32_t s_recvSize = 0;
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) volatile static uint32_t s_sendSize = 0;
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) volatile static uint8_t s_waitForDataReceive = 0;
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) volatile static uint8_t s_comOpen = 0;
#endif
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static usb_device_composite_struct_t *s_UsbDeviceComposite;
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static usb_cdc_vcom_struct_t s_UsbInterface4CicVcom;
/*******************************************************************************
* Code
******************************************************************************/
/*!
* @brief Interface task function.
*/
void USB_DeviceInterface4CicVcomTask(void)
{
usb_status_t error = kStatus_USB_Error;
if ((1 == s_UsbDeviceComposite->attach) && (1 == s_UsbInterface4CicVcom.startTransactions))
{
/* User Code */
if ((0 != s_recvSize) && (0xFFFFFFFFU != s_recvSize))
{
int32_t i;
/* Copy Buffer to Send Buff */
for (i = 0; i < s_recvSize; i++)
{
s_currSendBuf[s_sendSize++] = s_currRecvBuf[i];
}
s_recvSize = 0;
}
if (s_sendSize)
{
uint32_t size = s_sendSize;
s_sendSize = 0;
error = USB_DeviceCdcAcmSend(s_UsbInterface4CicVcom.cdcAcmHandle, USB_DIC_VCOM_IN_ENDPOINT, s_currSendBuf, size);
if (error != kStatus_USB_Success)
{
/* Failure to send Data Handling code here */
}
}
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
if ((s_waitForDataReceive))
{
if (s_comOpen == 1)
{
/* Wait for all the packets been sent during opening the com port. Otherwise these packets may
* wake up the system.
*/
usb_echo("Waiting to enter lowpower ...\r\n");
for (uint32_t i = 0U; i < 16000000U; ++i)
{
__ASM("NOP"); /* delay */
}
s_comOpen = 0;
}
usb_echo("Enter lowpower\r\n");
BOARD_DbgConsole_Deinit();
USB0->INTEN &= ~USB_INTEN_TOKDNEEN_MASK;
USB_EnterLowpowerMode();
s_waitForDataReceive = 0;
USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK;
BOARD_DbgConsole_Init();
usb_echo("Exit lowpower\r\n");
}
#endif
}
}
/*!
* @brief Function that processes class specific events.
*
* @param handle Handle to USB device class.
* @param event Class event code.
* @param param The parameter of the class specific event.
* @return usb_status_t Status of USB transaction.
*/
usb_status_t USB_DeviceInterface4CicVcomCallback(class_handle_t handle, uint32_t event, void *param)
{
uint32_t len;
uint8_t *uartBitmap;
usb_device_cdc_acm_request_param_struct_t *acmReqParam;
usb_device_endpoint_callback_message_struct_t *epCbParam;
usb_status_t error = kStatus_USB_Error;
usb_cdc_acm_info_t *acmInfo = &s_usbCdcAcmInfo;
acmReqParam = (usb_device_cdc_acm_request_param_struct_t *)param;
epCbParam = (usb_device_endpoint_callback_message_struct_t *)param;
switch (event)
{
case kUSB_DeviceCdcEventSendResponse:
{
if ((epCbParam->length != 0) && (!(epCbParam->length % g_UsbDeviceInterface5DicVcomSetting0DefaultEndpoints[USB_DIC_VCOM_IN_ENDPOINT_INDEX].maxPacketSize)))
{
/* If the last packet is the size of endpoint, then send also zero-ended packet,
** meaning that we want to inform the host that we do not have any additional
** data, so it can flush the output.
*/
error = USB_DeviceCdcAcmSend(handle, USB_DIC_VCOM_IN_ENDPOINT, NULL, 0);
}
else if ((1 == s_UsbDeviceComposite->attach) && (1 == s_UsbInterface4CicVcom.startTransactions))
{
if ((epCbParam->buffer != NULL) || ((epCbParam->buffer == NULL) && (epCbParam->length == 0)))
{
/* User: add your own code for send complete event */
/* Schedule buffer for next receive event */
error = USB_DeviceCdcAcmRecv(handle, USB_DIC_VCOM_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceInterface5DicVcomSetting0DefaultEndpoints[USB_DIC_VCOM_OUT_ENDPOINT_INDEX].maxPacketSize);
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
#endif
}
}
else
{
}
}
break;
case kUSB_DeviceCdcEventRecvResponse:
{
if ((1 == s_UsbDeviceComposite->attach) && (1 == s_UsbInterface4CicVcom.startTransactions))
{
s_recvSize = epCbParam->length;
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 0;
USB0->INTEN |= USB_INTEN_SOFTOKEN_MASK;
#endif
if (!s_recvSize)
{
/* Schedule buffer for next receive event */
error = USB_DeviceCdcAcmRecv(handle, USB_DIC_VCOM_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceInterface5DicVcomSetting0DefaultEndpoints[USB_DIC_VCOM_OUT_ENDPOINT_INDEX].maxPacketSize);
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
#endif
}
}
}
break;
case kUSB_DeviceCdcEventSerialStateNotif:
((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 0;
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSendEncapsulatedCommand:
break;
case kUSB_DeviceCdcEventGetEncapsulatedResponse:
break;
case kUSB_DeviceCdcEventSetCommFeature:
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
{
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_abstractState;
}
else
{
*(acmReqParam->length) = 0;
}
}
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
{
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_countryCode;
}
else
{
*(acmReqParam->length) = 0;
}
}
else
{
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventGetCommFeature:
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
{
*(acmReqParam->buffer) = s_abstractState;
*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
}
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
{
*(acmReqParam->buffer) = s_countryCode;
*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
}
else
{
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventClearCommFeature:
break;
case kUSB_DeviceCdcEventGetLineCoding:
*(acmReqParam->buffer) = s_lineCoding;
*(acmReqParam->length) = LINE_CODING_SIZE;
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSetLineCoding:
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_lineCoding;
}
else
{
*(acmReqParam->length) = 0;
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSetControlLineState:
{
s_usbCdcAcmInfo.dteStatus = acmReqParam->setupValue;
/* activate/deactivate Tx carrier */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
{
acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
}
else
{
acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
}
/* activate carrier and DTE. Com port of terminal tool running on PC is open now */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
{
acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
}
/* Com port of terminal tool running on PC is closed now */
else
{
acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
}
/* Indicates to DCE if DTE is present or not */
acmInfo->dtePresent = (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE) ? true : false;
/* Initialize the serial state buffer */
acmInfo->serialStateBuf[0] = NOTIF_REQUEST_TYPE; /* bmRequestType */
acmInfo->serialStateBuf[1] = USB_DEVICE_CDC_NOTIF_SERIAL_STATE; /* bNotification */
acmInfo->serialStateBuf[2] = 0x00; /* wValue */
acmInfo->serialStateBuf[3] = 0x00;
acmInfo->serialStateBuf[4] = 0x00; /* wIndex */
acmInfo->serialStateBuf[5] = 0x00;
acmInfo->serialStateBuf[6] = UART_BITMAP_SIZE; /* wLength */
acmInfo->serialStateBuf[7] = 0x00;
/* Notify to host the line state */
acmInfo->serialStateBuf[4] = acmReqParam->interfaceIndex;
/* Lower byte of UART BITMAP */
uartBitmap = (uint8_t *)&acmInfo->serialStateBuf[NOTIF_PACKET_SIZE + UART_BITMAP_SIZE - 2];
uartBitmap[0] = acmInfo->uartState & 0xFFu;
uartBitmap[1] = (acmInfo->uartState >> 8) & 0xFFu;
len = (uint32_t)(NOTIF_PACKET_SIZE + UART_BITMAP_SIZE);
if (0 == ((usb_device_cdc_acm_struct_t *)handle)->hasSentState)
{
error = USB_DeviceCdcAcmSend(handle, USB_CIC_VCOM_IN_ENDPOINT, acmInfo->serialStateBuf, len);
if (kStatus_USB_Success != error)
{
usb_echo("kUSB_DeviceCdcEventSetControlLineState error!");
}
((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 1;
}
/* Update status */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
{
/* To do: CARRIER_ACTIVATED */
}
else
{
/* To do: CARRIER_DEACTIVATED */
}
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
{
/* DTE_ACTIVATED */
if (1 == s_UsbDeviceComposite->attach)
{
s_UsbInterface4CicVcom.startTransactions = 1;
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
s_comOpen = 1;
usb_echo("USB_APP_CDC_DTE_ACTIVATED\r\n");
#endif
}
}
else
{
/* DTE_DEACTIVATED */
if (1 == s_UsbDeviceComposite->attach)
{
s_UsbInterface4CicVcom.startTransactions = 0;
}
}
}
break;
case kUSB_DeviceCdcEventSendBreak:
break;
default:
break;
}
return error;
}
/*!
* @brief Notifies application layer about set configuration event.
*
* @param handle Handle to USB device class.
* @param configuration_idx Id of device configuration.
* @return usb_status_t Always return kStatus_USB_Success value.
*/
usb_status_t USB_DeviceInterface4CicVcomSetConfiguration(class_handle_t handle, uint8_t configuration_idx)
{
/* Schedule buffer for receive */
USB_DeviceCdcAcmRecv(s_UsbInterface4CicVcom.cdcAcmHandle, USB_DIC_VCOM_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceInterface5DicVcomSetting0DefaultEndpoints[USB_DIC_VCOM_OUT_ENDPOINT_INDEX].maxPacketSize);
return kStatus_USB_Success;
}
/*!
* @brief Notifies application layer about set configuration event.
*
* @param class_handle_t Handle to USB device class.
* @param alternateSetting Id of device alternative setting.
* @return usb_status_t Always return kStatus_USB_Success value.
*/
usb_status_t USB_DeviceInterface4CicVcomSetInterface(class_handle_t handle, uint8_t alternateSetting)
{
return kStatus_USB_Success;
}
/*!
* @brief Notifies application layer about set configuration event.
*
* @param class_handle_t Handle to USB device class.
* @param alternateSetting Id of device alternative setting.
* @return usb_status_t Always return kStatus_USB_Success value.
*/
usb_status_t USB_DeviceInterface5DicVcomSetInterface(class_handle_t handle, uint8_t alternateSetting)
{
return kStatus_USB_Success;
}
/*!
* @brief Initializes device structure and buffer pointers.
*
* @param *device Pointer to structure to initialize to.
* @return usb_status_t Always return kStatus_USB_Success value.
*/
usb_status_t USB_DeviceInterface4CicVcomInit(usb_device_composite_struct_t *deviceComposite)
{
s_UsbDeviceComposite = deviceComposite;
s_UsbInterface4CicVcom.cdcAcmHandle = s_UsbDeviceComposite->interface4CicVcomHandle;
return kStatus_USB_Success;
}