552 lines
20 KiB
C
552 lines
20 KiB
C
/*
|
|
* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
|
|
* Copyright 2016 - 2017, 2019 NXP
|
|
* All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
/*${standard_header_anchor}*/
|
|
#include "fsl_device_registers.h"
|
|
#include "clock_config.h"
|
|
#include "fsl_debug_console.h"
|
|
#include "board.h"
|
|
|
|
#include "usb_device_config.h"
|
|
#include "usb.h"
|
|
#include "usb_device.h"
|
|
|
|
#include "usb_device_cdc_acm.h"
|
|
#include "usb_device_ch9.h"
|
|
|
|
#include "usb_device_descriptor.h"
|
|
#include "composite.h"
|
|
/*******************************************************************************
|
|
* Definitions
|
|
******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
* Variables
|
|
******************************************************************************/
|
|
/* 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];
|
|
volatile static uint32_t s_recvSize = 0;
|
|
volatile static uint32_t s_sendSize = 0;
|
|
static uint32_t s_usbBulkMaxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
volatile static usb_device_composite_struct_t *g_deviceComposite;
|
|
|
|
/*******************************************************************************
|
|
* Code
|
|
******************************************************************************/
|
|
/*!
|
|
* @brief Interrupt in pipe callback function.
|
|
*
|
|
* This function serves as the callback function for interrupt in pipe.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param message The endpoint callback message
|
|
* @param callbackParam The parameter of the callback.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcAcmInterruptIn(usb_device_handle handle,
|
|
usb_device_endpoint_callback_message_struct_t *message,
|
|
void *callbackParam)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
g_deviceComposite->cdcVcom.hasSentState = 0;
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief Bulk in pipe callback function.
|
|
*
|
|
* This function serves as the callback function for bulk in pipe.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param message The endpoint callback message
|
|
* @param callbackParam The parameter of the callback.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcAcmBulkIn(usb_device_handle handle,
|
|
usb_device_endpoint_callback_message_struct_t *message,
|
|
void *callbackParam)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
|
|
if ((message->length != 0) && (!(message->length % s_usbBulkMaxPacketSize)))
|
|
{
|
|
/* 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.
|
|
*/
|
|
USB_DeviceSendRequest(handle, USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT, NULL, 0);
|
|
}
|
|
else if ((1 == g_deviceComposite->cdcVcom.attach) && (1 == g_deviceComposite->cdcVcom.startTransactions))
|
|
{
|
|
if ((message->buffer != NULL) || ((message->buffer == NULL) && (message->length == 0)))
|
|
{
|
|
/* User: add your own code for send complete event */
|
|
/* Schedule buffer for next receive event */
|
|
USB_DeviceRecvRequest(handle, USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
}
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief Bulk out pipe callback function.
|
|
*
|
|
* This function serves as the callback function for bulk out pipe.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param message The endpoint callback message
|
|
* @param callbackParam The parameter of the callback.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcAcmBulkOut(usb_device_handle handle,
|
|
usb_device_endpoint_callback_message_struct_t *message,
|
|
void *callbackParam)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
|
|
if ((1 == g_deviceComposite->cdcVcom.attach) && (1 == g_deviceComposite->cdcVcom.startTransactions))
|
|
{
|
|
s_recvSize = message->length;
|
|
|
|
if (!s_recvSize)
|
|
{
|
|
/* Schedule buffer for next receive event */
|
|
USB_DeviceRecvRequest(handle, USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize);
|
|
}
|
|
}
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief USB configure endpoint function.
|
|
*
|
|
* This function configure endpoint status.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param ep Endpoint address.
|
|
* @param status A flag to indicate whether to stall the endpoint. 1: stall, 0: unstall.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcVcomConfigureEndpointStatus(usb_device_handle handle, uint8_t ep, uint8_t status)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
if (status)
|
|
{
|
|
if ((USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT == (ep & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
(ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK))
|
|
{
|
|
error = USB_DeviceStallEndpoint(handle, ep);
|
|
}
|
|
else if ((USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT == (ep & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
(!(ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK)))
|
|
{
|
|
error = USB_DeviceStallEndpoint(handle, ep);
|
|
}
|
|
else
|
|
{
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ((USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT == (ep & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
(ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK))
|
|
{
|
|
error = USB_DeviceUnstallEndpoint(handle, ep);
|
|
}
|
|
else if ((USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT == (ep & USB_ENDPOINT_NUMBER_MASK)) &&
|
|
(!(ep & USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_MASK)))
|
|
{
|
|
error = USB_DeviceUnstallEndpoint(handle, ep);
|
|
}
|
|
else
|
|
{
|
|
}
|
|
}
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief CDC class specific callback function.
|
|
*
|
|
* This function handles the CDC class specific requests.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param setup The pointer to the setup packet.
|
|
* @param length The pointer to the length of the data buffer.
|
|
* @param buffer The pointer to the address of setup packet data buffer.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcVcomClassRequest(usb_device_handle handle,
|
|
usb_setup_struct_t *setup,
|
|
uint32_t *length,
|
|
uint8_t **buffer)
|
|
{
|
|
usb_status_t error = kStatus_USB_InvalidRequest;
|
|
|
|
usb_cdc_acm_info_t *acmInfo = &s_usbCdcAcmInfo;
|
|
uint32_t len;
|
|
uint8_t *uartBitmap;
|
|
|
|
if ((setup->bmRequestType & USB_REQUEST_TYPE_RECIPIENT_MASK) != USB_REQUEST_TYPE_RECIPIENT_INTERFACE)
|
|
{
|
|
return error;
|
|
}
|
|
|
|
switch (setup->bRequest)
|
|
{
|
|
case USB_DEVICE_CDC_REQUEST_SEND_ENCAPSULATED_COMMAND:
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_GET_ENCAPSULATED_RESPONSE:
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_SET_COMM_FEATURE:
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
|
|
(setup->wLength != 0U))
|
|
{
|
|
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == setup->wValue)
|
|
{
|
|
(void)memcpy(s_abstractState, *buffer, COMM_FEATURE_DATA_SIZE);
|
|
error = kStatus_USB_Success;
|
|
}
|
|
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == setup->wValue)
|
|
{
|
|
(void)memcpy(s_countryCode, *buffer, COMM_FEATURE_DATA_SIZE);
|
|
error = kStatus_USB_Success;
|
|
}
|
|
else
|
|
{
|
|
}
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_GET_COMM_FEATURE:
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_IN) &&
|
|
(setup->wLength != 0U))
|
|
{
|
|
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == setup->wValue)
|
|
{
|
|
*buffer = s_abstractState;
|
|
*length = COMM_FEATURE_DATA_SIZE;
|
|
error = kStatus_USB_Success;
|
|
}
|
|
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == setup->wValue)
|
|
{
|
|
*buffer = s_countryCode;
|
|
*length = COMM_FEATURE_DATA_SIZE;
|
|
error = kStatus_USB_Success;
|
|
}
|
|
else
|
|
{
|
|
}
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_CLEAR_COMM_FEATURE:
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_GET_LINE_CODING:
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_IN) &&
|
|
(setup->wLength != 0U))
|
|
{
|
|
*buffer = s_lineCoding;
|
|
*length = LINE_CODING_SIZE;
|
|
error = kStatus_USB_Success;
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_SET_LINE_CODING:
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
|
|
(setup->wLength != 0U))
|
|
{
|
|
(void)memcpy(s_lineCoding, *buffer, LINE_CODING_SIZE);
|
|
error = kStatus_USB_Success;
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_SET_CONTROL_LINE_STATE:
|
|
{
|
|
if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
|
|
(setup->wLength == 0U))
|
|
{
|
|
error = kStatus_USB_Success;
|
|
acmInfo->dteStatus = setup->wValue;
|
|
/* 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_REQUEST_SERIAL_STATE_NOTIF; /* 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] = setup->wIndex;
|
|
/* 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 == g_deviceComposite->cdcVcom.hasSentState)
|
|
{
|
|
error = USB_DeviceSendRequest(handle, USB_CDC_VCOM_CIC_INTERRUPT_IN_ENDPOINT,
|
|
acmInfo->serialStateBuf, len);
|
|
if (kStatus_USB_Success != error)
|
|
{
|
|
usb_echo("kUSB_DeviceCdcEventSetControlLineState error!");
|
|
}
|
|
g_deviceComposite->cdcVcom.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 (1U == g_deviceComposite->cdcVcom.attach)
|
|
{
|
|
g_deviceComposite->cdcVcom.startTransactions = 1;
|
|
}
|
|
error = kStatus_USB_Success;
|
|
}
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_SEND_BREAK:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief Application task function.
|
|
*
|
|
* This function runs the task for application.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void USB_DeviceCdcVcomTask(void)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
if ((1 == g_deviceComposite->cdcVcom.attach) && (1 == g_deviceComposite->cdcVcom.startTransactions))
|
|
{
|
|
/* User Code */
|
|
/* endpoint callback length is USB_CANCELLED_TRANSFER_LENGTH (0xFFFFFFFFU) when transfer is canceled */
|
|
if ((0 != s_recvSize) && (USB_CANCELLED_TRANSFER_LENGTH != 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_DeviceSendRequest(g_deviceComposite->deviceHandle, USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT,
|
|
s_currSendBuf, size);
|
|
|
|
if (error != kStatus_USB_Success)
|
|
{
|
|
/* Failure to send Data Handling code here */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* @brief Virtual COM device set configuration function.
|
|
*
|
|
* This function sets configuration for CDC class.
|
|
*
|
|
* @param handle The CDC ACM class handle.
|
|
* @param configure The CDC ACM class configure index.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcVcomSetConfigure(usb_device_handle handle, uint8_t configure)
|
|
{
|
|
usb_device_endpoint_init_struct_t epInitStruct;
|
|
usb_device_endpoint_callback_struct_t epCallback;
|
|
usb_status_t error = kStatus_USB_Error;
|
|
|
|
if (g_deviceComposite->currentConfiguration == configure)
|
|
{
|
|
return error;
|
|
}
|
|
if (g_deviceComposite->currentConfiguration)
|
|
{
|
|
USB_DeviceDeinitEndpoint(
|
|
g_deviceComposite->deviceHandle,
|
|
(USB_CDC_VCOM_CIC_INTERRUPT_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)));
|
|
USB_DeviceDeinitEndpoint(
|
|
g_deviceComposite->deviceHandle,
|
|
(USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)));
|
|
USB_DeviceDeinitEndpoint(
|
|
g_deviceComposite->deviceHandle,
|
|
(USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT | (USB_OUT << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT)));
|
|
}
|
|
|
|
if (USB_COMPOSITE_CONFIGURE_INDEX == configure)
|
|
{
|
|
g_deviceComposite->cdcVcom.attach = 1;
|
|
|
|
/* Initiailize endpoint for interrupt pipe */
|
|
epCallback.callbackFn = USB_DeviceCdcAcmInterruptIn;
|
|
epCallback.callbackParam = handle;
|
|
|
|
epInitStruct.zlt = 0;
|
|
epInitStruct.transferType = USB_ENDPOINT_INTERRUPT;
|
|
epInitStruct.endpointAddress =
|
|
USB_CDC_VCOM_CIC_INTERRUPT_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == g_deviceComposite->speed)
|
|
{
|
|
epInitStruct.maxPacketSize = HS_CDC_VCOM_INTERRUPT_IN_PACKET_SIZE;
|
|
epInitStruct.interval = HS_CDC_VCOM_INTERRUPT_IN_INTERVAL;
|
|
}
|
|
else
|
|
{
|
|
epInitStruct.maxPacketSize = FS_CDC_VCOM_INTERRUPT_IN_PACKET_SIZE;
|
|
epInitStruct.interval = FS_CDC_VCOM_INTERRUPT_IN_INTERVAL;
|
|
}
|
|
|
|
USB_DeviceInitEndpoint(handle, &epInitStruct, &epCallback);
|
|
|
|
/* Initiailize endpoints for bulk pipe */
|
|
epCallback.callbackFn = USB_DeviceCdcAcmBulkIn;
|
|
epCallback.callbackParam = handle;
|
|
|
|
epInitStruct.zlt = 0U;
|
|
epInitStruct.interval = 0U;
|
|
epInitStruct.transferType = USB_ENDPOINT_BULK;
|
|
epInitStruct.endpointAddress =
|
|
USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == g_deviceComposite->speed)
|
|
{
|
|
epInitStruct.maxPacketSize = HS_CDC_VCOM_BULK_IN_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
epInitStruct.maxPacketSize = FS_CDC_VCOM_BULK_IN_PACKET_SIZE;
|
|
}
|
|
|
|
USB_DeviceInitEndpoint(handle, &epInitStruct, &epCallback);
|
|
|
|
epCallback.callbackFn = USB_DeviceCdcAcmBulkOut;
|
|
epCallback.callbackParam = handle;
|
|
|
|
epInitStruct.zlt = 0;
|
|
epInitStruct.interval = 0;
|
|
epInitStruct.transferType = USB_ENDPOINT_BULK;
|
|
epInitStruct.endpointAddress =
|
|
USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT | (USB_OUT << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == g_deviceComposite->speed)
|
|
{
|
|
epInitStruct.maxPacketSize = HS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
epInitStruct.maxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
|
|
USB_DeviceInitEndpoint(handle, &epInitStruct, &epCallback);
|
|
|
|
if (USB_SPEED_HIGH == g_deviceComposite->speed)
|
|
{
|
|
s_usbBulkMaxPacketSize = HS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
s_usbBulkMaxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
|
|
/* Schedule buffer for receive */
|
|
USB_DeviceRecvRequest(handle, USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize);
|
|
}
|
|
return kStatus_USB_Success;
|
|
}
|
|
|
|
/*!
|
|
* @brief Virtual COM device initialization function.
|
|
*
|
|
* This function initializes the device with the composite device class information.
|
|
*
|
|
* @param deviceComposite The pointer to the composite device structure.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCdcVcomInit(usb_device_composite_struct_t *deviceComposite)
|
|
{
|
|
g_deviceComposite = deviceComposite;
|
|
return kStatus_USB_Success;
|
|
}
|