440 lines
18 KiB
C
440 lines
18 KiB
C
/*
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* Copyright 2017 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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/*${standard_header_anchor}*/
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#include "fsl_device_registers.h"
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#include "clock_config.h"
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#include "board.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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#include "usb_device_cdc_acm.h"
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#include "usb_device_ch9.h"
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#include "fsl_debug_console.h"
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#include "usb_device_descriptor.h"
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#include "composite.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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/*******************************************************************************
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* Variables
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******************************************************************************/
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extern usb_device_endpoint_struct_t g_cdcVcomDicEndpoints[];
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extern usb_device_endpoint_struct_t g_cdcVcomDicEndpoints_2[];
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extern usb_device_endpoint_struct_t g_cdcVcomCicEndpoints[];
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extern usb_device_endpoint_struct_t g_cdcVcomCicEndpoints_2[];
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extern usb_device_class_struct_t g_UsbDeviceCdcVcomConfig[2];
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/* Line coding of cdc device */
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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static uint8_t s_lineCoding[USB_DEVICE_CONFIG_CDC_ACM][LINE_CODING_SIZE] = {
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{/* E.g. 0x00,0xC2,0x01,0x00 : 0x0001C200 is 115200 bits per second */
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(LINE_CODING_DTERATE >> 0U) & 0x000000FFU, (LINE_CODING_DTERATE >> 8U) & 0x000000FFU,
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(LINE_CODING_DTERATE >> 16U) & 0x000000FFU, (LINE_CODING_DTERATE >> 24U) & 0x000000FFU, LINE_CODING_CHARFORMAT,
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LINE_CODING_PARITYTYPE, LINE_CODING_DATABITS},
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{/* E.g. 0x00,0xC2,0x01,0x00 : 0x0001C200 is 115200 bits per second */
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(LINE_CODING_DTERATE >> 0U) & 0x000000FFU, (LINE_CODING_DTERATE >> 8U) & 0x000000FFU,
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(LINE_CODING_DTERATE >> 16U) & 0x000000FFU, (LINE_CODING_DTERATE >> 24U) & 0x000000FFU, LINE_CODING_CHARFORMAT,
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LINE_CODING_PARITYTYPE, LINE_CODING_DATABITS},
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};
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/* Abstract state of cdc device */
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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static uint8_t s_abstractState[USB_DEVICE_CONFIG_CDC_ACM][COMM_FEATURE_DATA_SIZE] = {
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{(STATUS_ABSTRACT_STATE >> 0U) & 0x00FFU, (STATUS_ABSTRACT_STATE >> 8U) & 0x00FFU},
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{(STATUS_ABSTRACT_STATE >> 0U) & 0x00FFU, (STATUS_ABSTRACT_STATE >> 8U) & 0x00FFU},
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};
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/* Country code of cdc device */
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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static uint8_t s_countryCode[USB_DEVICE_CONFIG_CDC_ACM][COMM_FEATURE_DATA_SIZE] = {
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{(COUNTRY_SETTING >> 0U) & 0x00FFU, (COUNTRY_SETTING >> 8U) & 0x00FFU},
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{(COUNTRY_SETTING >> 0U) & 0x00FFU, (COUNTRY_SETTING >> 8U) & 0x00FFU},
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};
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/* CDC ACM information */
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USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE)
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static usb_cdc_acm_info_t s_usbCdcAcmInfo[USB_DEVICE_CONFIG_CDC_ACM] = {
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{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0, 0, 0, 0},
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{{0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, 0, 0, 0, 0},
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};
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/* Data buffer for receiving and sending*/
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USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currRecvBuf[USB_DEVICE_CONFIG_CDC_ACM][DATA_BUFF_SIZE];
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USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currSendBuf[USB_DEVICE_CONFIG_CDC_ACM][DATA_BUFF_SIZE];
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volatile static uint32_t s_recvSize[USB_DEVICE_CONFIG_CDC_ACM] = {0};
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volatile static uint32_t s_sendSize[USB_DEVICE_CONFIG_CDC_ACM] = {0};
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volatile static usb_device_composite_struct_t *g_deviceComposite;
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/*******************************************************************************
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* Code
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******************************************************************************/
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/*!
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* @brief CDC class specific callback function.
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*
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* This function handles the CDC class specific requests.
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*
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* @param handle The CDC ACM class handle.
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* @param event The CDC ACM class event type.
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* @param param The parameter of the class specific request.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceCdcVcomCallback(class_handle_t handle, uint32_t event, void *param)
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{
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uint32_t len;
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uint8_t *uartBitmap;
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usb_cdc_acm_info_t *acmInfo;
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usb_device_cdc_acm_request_param_struct_t *acmReqParam;
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usb_device_endpoint_callback_message_struct_t *epCbParam;
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volatile usb_cdc_vcom_struct_t *vcomInstance;
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usb_status_t error = kStatus_USB_InvalidRequest;
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uint8_t i;
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acmReqParam = (usb_device_cdc_acm_request_param_struct_t *)param;
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epCbParam = (usb_device_endpoint_callback_message_struct_t *)param;
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for (i = 0; i < USB_DEVICE_CONFIG_CDC_ACM; i++)
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{
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if (handle == g_deviceComposite->cdcVcom[i].cdcAcmHandle)
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{
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break;
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}
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}
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if (i >= USB_DEVICE_CONFIG_CDC_ACM)
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{
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return error;
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}
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vcomInstance = &g_deviceComposite->cdcVcom[i];
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acmInfo = vcomInstance->usbCdcAcmInfo;
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switch (event)
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{
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case kUSB_DeviceCdcEventSendResponse:
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{
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if ((epCbParam->length != 0) && (!(epCbParam->length % vcomInstance->bulkInEndpointMaxPacketSize)))
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{
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/* If the last packet is the size of endpoint, then send also zero-ended packet,
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** meaning that we want to inform the host that we do not have any additional
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** data, so it can flush the output.
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*/
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error = USB_DeviceCdcAcmSend(handle, vcomInstance->bulkInEndpoint, NULL, 0);
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}
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else if ((1 == vcomInstance->attach) && (1 == vcomInstance->startTransactions))
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{
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if ((epCbParam->buffer != NULL) || ((epCbParam->buffer == NULL) && (epCbParam->length == 0)))
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{
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/* User: add your own code for send complete event */
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/* Schedule buffer for next receive event */
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error = USB_DeviceCdcAcmRecv(handle, vcomInstance->bulkOutEndpoint, vcomInstance->currRecvBuf,
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vcomInstance->bulkOutEndpointMaxPacketSize);
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}
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}
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else
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{
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}
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}
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break;
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case kUSB_DeviceCdcEventRecvResponse:
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{
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if ((1 == vcomInstance->attach) && (1 == vcomInstance->startTransactions))
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{
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vcomInstance->recvSize = epCbParam->length;
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if (!vcomInstance->recvSize)
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{
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/* Schedule buffer for next receive event */
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error = USB_DeviceCdcAcmRecv(handle, vcomInstance->bulkOutEndpoint, vcomInstance->currRecvBuf,
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vcomInstance->bulkOutEndpointMaxPacketSize);
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}
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}
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}
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break;
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case kUSB_DeviceCdcEventSerialStateNotif:
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((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 0;
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error = kStatus_USB_Success;
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break;
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case kUSB_DeviceCdcEventSendEncapsulatedCommand:
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break;
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case kUSB_DeviceCdcEventGetEncapsulatedResponse:
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break;
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case kUSB_DeviceCdcEventSetCommFeature:
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if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
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{
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if (1 == acmReqParam->isSetup)
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{
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*(acmReqParam->buffer) = vcomInstance->abstractState;
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*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
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}
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else
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{
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/* no action, data phase, s_abstractState has been assigned */
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}
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error = kStatus_USB_Success;
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}
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else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
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{
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if (1 == acmReqParam->isSetup)
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{
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*(acmReqParam->buffer) = vcomInstance->countryCode;
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*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
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}
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else
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{
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/* no action, data phase, s_countryCode has been assigned */
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}
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error = kStatus_USB_Success;
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}
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else
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{
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/* no action, return kStatus_USB_InvalidRequest */
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}
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break;
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case kUSB_DeviceCdcEventGetCommFeature:
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if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
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{
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*(acmReqParam->buffer) = vcomInstance->abstractState;
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*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
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error = kStatus_USB_Success;
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}
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else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
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{
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*(acmReqParam->buffer) = vcomInstance->countryCode;
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*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
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error = kStatus_USB_Success;
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}
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else
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{
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/* no action, return kStatus_USB_InvalidRequest */
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}
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break;
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case kUSB_DeviceCdcEventClearCommFeature:
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break;
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case kUSB_DeviceCdcEventGetLineCoding:
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*(acmReqParam->buffer) = vcomInstance->lineCoding;
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*(acmReqParam->length) = LINE_CODING_SIZE;
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error = kStatus_USB_Success;
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break;
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case kUSB_DeviceCdcEventSetLineCoding:
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{
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if (1 == acmReqParam->isSetup)
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{
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*(acmReqParam->buffer) = vcomInstance->lineCoding;
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*(acmReqParam->length) = LINE_CODING_SIZE;
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}
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else
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{
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/* no action, data phase, s_lineCoding has been assigned */
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}
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error = kStatus_USB_Success;
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}
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break;
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case kUSB_DeviceCdcEventSetControlLineState:
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{
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error = kStatus_USB_Success;
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vcomInstance->usbCdcAcmInfo->dteStatus = acmReqParam->setupValue;
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/* activate/deactivate Tx carrier */
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if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
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{
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acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
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}
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else
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{
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acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
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}
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/* activate carrier and DTE. Com port of terminal tool running on PC is open now */
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if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
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{
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acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
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}
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/* Com port of terminal tool running on PC is closed now */
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else
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{
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acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
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}
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/* Indicates to DCE if DTE is present or not */
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acmInfo->dtePresent = (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE) ? true : false;
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/* Initialize the serial state buffer */
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acmInfo->serialStateBuf[0] = NOTIF_REQUEST_TYPE; /* bmRequestType */
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acmInfo->serialStateBuf[1] = USB_DEVICE_CDC_NOTIF_SERIAL_STATE; /* bNotification */
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acmInfo->serialStateBuf[2] = 0x00; /* wValue */
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acmInfo->serialStateBuf[3] = 0x00;
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acmInfo->serialStateBuf[4] = 0x00; /* wIndex */
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acmInfo->serialStateBuf[5] = 0x00;
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acmInfo->serialStateBuf[6] = UART_BITMAP_SIZE; /* wLength */
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acmInfo->serialStateBuf[7] = 0x00;
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/* Notify to host the line state */
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acmInfo->serialStateBuf[4] = acmReqParam->interfaceIndex;
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/* Lower byte of UART BITMAP */
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uartBitmap = (uint8_t *)&acmInfo->serialStateBuf[NOTIF_PACKET_SIZE + UART_BITMAP_SIZE - 2];
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uartBitmap[0] = acmInfo->uartState & 0xFFu;
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uartBitmap[1] = (acmInfo->uartState >> 8) & 0xFFu;
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len = (uint32_t)(NOTIF_PACKET_SIZE + UART_BITMAP_SIZE);
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if (0 == ((usb_device_cdc_acm_struct_t *)handle)->hasSentState)
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{
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error = USB_DeviceCdcAcmSend(handle, vcomInstance->interruptEndpoint, acmInfo->serialStateBuf, len);
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if (kStatus_USB_Success != error)
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{
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usb_echo("kUSB_DeviceCdcEventSetControlLineState error!");
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}
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((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 1;
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}
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/* Update status */
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if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
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{
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/* To do: CARRIER_ACTIVATED */
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}
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else
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{
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/* To do: CARRIER_DEACTIVATED */
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}
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if (1U == vcomInstance->attach)
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{
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vcomInstance->startTransactions = 1;
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}
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error = kStatus_USB_Success;
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}
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break;
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case kUSB_DeviceCdcEventSendBreak:
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break;
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default:
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break;
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}
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return error;
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}
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/*!
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* @brief Application task function.
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*
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* This function runs the task for application.
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*
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* @return None.
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*/
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void USB_DeviceCdcVcomTask(void)
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{
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usb_status_t error = kStatus_USB_Error;
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volatile usb_cdc_vcom_struct_t *vcomInstance;
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for (uint8_t i = 0; i < USB_DEVICE_CONFIG_CDC_ACM; i++)
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{
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vcomInstance = &g_deviceComposite->cdcVcom[i];
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if ((1 == vcomInstance->attach) && (1 == vcomInstance->startTransactions))
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{
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/* User Code */
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/* endpoint callback length is USB_CANCELLED_TRANSFER_LENGTH (0xFFFFFFFFU) when transfer is canceled */
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if ((0 != vcomInstance->recvSize) && (USB_CANCELLED_TRANSFER_LENGTH != vcomInstance->recvSize))
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{
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int32_t i;
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/* Copy Buffer to Send Buff */
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for (i = 0; i < vcomInstance->recvSize; i++)
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{
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vcomInstance->currSendBuf[vcomInstance->sendSize++] = vcomInstance->currRecvBuf[i];
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}
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vcomInstance->recvSize = 0;
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}
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if (vcomInstance->sendSize)
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{
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uint32_t size = vcomInstance->sendSize;
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vcomInstance->sendSize = 0;
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error = USB_DeviceCdcAcmSend(vcomInstance->cdcAcmHandle, vcomInstance->bulkInEndpoint,
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vcomInstance->currSendBuf, size);
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if (error != kStatus_USB_Success)
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{
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/* Failure to send Data Handling code here */
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}
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}
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}
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}
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}
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/*!
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* @brief Virtual COM device set configuration function.
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*
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* This function sets configuration for CDC class.
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*
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* @param handle The CDC ACM class handle.
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* @param configure The CDC ACM class configure index.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceCdcVcomSetConfigure(class_handle_t handle, uint8_t configure)
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{
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if (USB_COMPOSITE_CONFIGURE_INDEX == configure)
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{
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/*endpoint information for cdc 1*/
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g_deviceComposite->cdcVcom[0].attach = 1;
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g_deviceComposite->cdcVcom[0].interruptEndpoint = USB_CDC_VCOM_CIC_INTERRUPT_IN_ENDPOINT;
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g_deviceComposite->cdcVcom[0].interruptEndpointMaxPacketSize = g_cdcVcomCicEndpoints[0].maxPacketSize;
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g_deviceComposite->cdcVcom[0].bulkInEndpoint = USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT;
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g_deviceComposite->cdcVcom[0].bulkInEndpointMaxPacketSize = g_cdcVcomDicEndpoints[0].maxPacketSize;
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g_deviceComposite->cdcVcom[0].bulkOutEndpoint = USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT;
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g_deviceComposite->cdcVcom[0].bulkOutEndpointMaxPacketSize = g_cdcVcomDicEndpoints[1].maxPacketSize;
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/* Schedule buffer for receive */
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USB_DeviceCdcAcmRecv(g_deviceComposite->cdcVcom[0].cdcAcmHandle, g_deviceComposite->cdcVcom[0].bulkOutEndpoint,
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s_currRecvBuf[0], g_deviceComposite->cdcVcom[0].bulkOutEndpointMaxPacketSize);
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/*endpoint information for cdc 2*/
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g_deviceComposite->cdcVcom[1].attach = 1;
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g_deviceComposite->cdcVcom[1].interruptEndpoint = USB_CDC_VCOM_CIC_INTERRUPT_IN_ENDPOINT_2;
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g_deviceComposite->cdcVcom[1].interruptEndpointMaxPacketSize = g_cdcVcomCicEndpoints_2[0].maxPacketSize;
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g_deviceComposite->cdcVcom[1].bulkInEndpoint = USB_CDC_VCOM_DIC_BULK_IN_ENDPOINT_2;
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g_deviceComposite->cdcVcom[1].bulkInEndpointMaxPacketSize = g_cdcVcomDicEndpoints_2[0].maxPacketSize;
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g_deviceComposite->cdcVcom[1].bulkOutEndpoint = USB_CDC_VCOM_DIC_BULK_OUT_ENDPOINT_2;
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g_deviceComposite->cdcVcom[1].bulkOutEndpointMaxPacketSize = g_cdcVcomDicEndpoints_2[1].maxPacketSize;
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/* Schedule buffer for receive */
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USB_DeviceCdcAcmRecv(g_deviceComposite->cdcVcom[1].cdcAcmHandle, g_deviceComposite->cdcVcom[1].bulkOutEndpoint,
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s_currRecvBuf[1], g_deviceComposite->cdcVcom[1].bulkOutEndpointMaxPacketSize);
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}
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return kStatus_USB_Success;
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}
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/*!
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* @brief Virtual COM device initialization function.
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*
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* This function initializes the device with the composite device class information.
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*
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* @param deviceComposite The pointer to the composite device structure.
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*
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* @return A USB error code or kStatus_USB_Success.
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*/
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usb_status_t USB_DeviceCdcVcomInit(usb_device_composite_struct_t *deviceComposite)
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{
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g_deviceComposite = deviceComposite;
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for (uint8_t i = 0; i < USB_DEVICE_CONFIG_CDC_ACM; i++)
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{
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g_deviceComposite->cdcVcom[i].lineCoding = (uint8_t *)&s_lineCoding[i];
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g_deviceComposite->cdcVcom[i].abstractState = (uint8_t *)&s_abstractState[i];
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g_deviceComposite->cdcVcom[i].countryCode = (uint8_t *)&s_countryCode[i];
|
|
g_deviceComposite->cdcVcom[i].usbCdcAcmInfo = &s_usbCdcAcmInfo[i];
|
|
g_deviceComposite->cdcVcom[i].currRecvBuf = (uint8_t *)&s_currRecvBuf[i][0];
|
|
;
|
|
g_deviceComposite->cdcVcom[i].currSendBuf = (uint8_t *)&s_currSendBuf[i][0];
|
|
}
|
|
return kStatus_USB_Success;
|
|
}
|