808 lines
29 KiB
C
808 lines
29 KiB
C
/*
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* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
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* Copyright 2016 - 2017, 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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/*${standard_header_anchor}*/
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#include "fsl_device_registers.h"
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#include "fsl_debug_console.h"
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#include "pin_mux.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_cdc_acm.h"
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#include "usb_device_ch9.h"
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#include "usb_device_descriptor.h"
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#include "virtual_com.h"
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#if (defined(FSL_FEATURE_SOC_SYSMPU_COUNT) && (FSL_FEATURE_SOC_SYSMPU_COUNT > 0U))
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#include "fsl_sysmpu.h"
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#endif /* FSL_FEATURE_SOC_SYSMPU_COUNT */
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#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
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#include "usb_phy.h"
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#endif
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#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
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defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
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defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
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extern uint8_t USB_EnterLowpowerMode(void);
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#endif
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void BOARD_InitHardware(void);
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void USB_DeviceClockInit(void);
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void USB_DeviceIsrEnable(void);
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#if USB_DEVICE_CONFIG_USE_TASK
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void USB_DeviceTaskFn(void *deviceHandle);
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#endif
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void BOARD_DbgConsole_Deinit(void);
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void BOARD_DbgConsole_Init(void);
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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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/* Data structure of virtual com device */
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usb_cdc_vcom_struct_t s_cdcVcom;
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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[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,
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(LINE_CODING_DTERATE >> 8U) & 0x000000FFU,
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(LINE_CODING_DTERATE >> 16U) & 0x000000FFU,
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(LINE_CODING_DTERATE >> 24U) & 0x000000FFU,
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LINE_CODING_CHARFORMAT,
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LINE_CODING_PARITYTYPE,
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LINE_CODING_DATABITS};
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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[COMM_FEATURE_DATA_SIZE] = {(STATUS_ABSTRACT_STATE >> 0U) & 0x00FFU,
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(STATUS_ABSTRACT_STATE >> 8U) & 0x00FFU};
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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[COMM_FEATURE_DATA_SIZE] = {(COUNTRY_SETTING >> 0U) & 0x00FFU,
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(COUNTRY_SETTING >> 8U) & 0x00FFU};
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/* CDC ACM information */
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USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static usb_cdc_acm_info_t s_usbCdcAcmInfo;
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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[DATA_BUFF_SIZE];
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USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currSendBuf[DATA_BUFF_SIZE];
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USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_SetupOutBuffer[8];
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volatile static uint32_t s_recvSize = 0;
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volatile static uint32_t s_sendSize = 0;
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static uint32_t s_usbBulkMaxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
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#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
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defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
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defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
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volatile static uint8_t s_waitForDataReceive = 0;
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volatile static uint8_t s_comOpen = 0;
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#endif
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*******************************************************************************
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* Code
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******************************************************************************/
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void USB_OTG1_IRQHandler(void)
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{
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USB_DeviceEhciIsrFunction(s_cdcVcom.deviceHandle);
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}
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void USB_DeviceClockInit(void)
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{
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usb_phy_config_struct_t phyConfig = {
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BOARD_USB_PHY_D_CAL,
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BOARD_USB_PHY_TXCAL45DP,
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BOARD_USB_PHY_TXCAL45DM,
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};
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CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, 480000000U);
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CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, 480000000U);
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USB_EhciPhyInit(CONTROLLER_ID, BOARD_XTAL0_CLK_HZ, &phyConfig);
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}
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void USB_DeviceIsrEnable(void)
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{
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uint8_t irqNumber;
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uint8_t usbDeviceEhciIrq[] = USBHS_IRQS;
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irqNumber = usbDeviceEhciIrq[CONTROLLER_ID - kUSB_ControllerEhci0];
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/* Install isr, set priority, and enable IRQ. */
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NVIC_SetPriority((IRQn_Type)irqNumber, USB_DEVICE_INTERRUPT_PRIORITY);
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EnableIRQ((IRQn_Type)irqNumber);
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}
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#if USB_DEVICE_CONFIG_USE_TASK
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void USB_DeviceTaskFn(void *deviceHandle)
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{
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USB_DeviceEhciTaskFunction(deviceHandle);
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}
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#endif
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#if ((defined USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE) && (USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE > 0U))
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#else
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/*!
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* @brief Interrupt in pipe callback function.
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*
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* This function serves as the callback function for interrupt in pipe.
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*
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* @param handle The USB device handle.
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* @param message The endpoint callback message
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* @param callbackParam The parameter of the callback.
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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_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_status_t error = kStatus_USB_Error;
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s_cdcVcom.hasSentState = 0;
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return error;
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}
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#endif
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/*!
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* @brief Bulk in pipe callback function.
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*
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* This function serves as the callback function for bulk in pipe.
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*
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* @param handle The USB device handle.
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* @param message The endpoint callback message
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* @param callbackParam The parameter of the callback.
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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_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_status_t error = kStatus_USB_Error;
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if ((message->length != 0) && (0U == (message->length % s_usbBulkMaxPacketSize)))
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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_DeviceSendRequest(handle, USB_CDC_VCOM_BULK_IN_ENDPOINT, NULL, 0);
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}
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else if ((1U == s_cdcVcom.attach) && (1U == s_cdcVcom.startTransactions))
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{
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if ((message->buffer != NULL) || ((message->buffer == NULL) && (message->length == 0U)))
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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 =
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USB_DeviceRecvRequest(handle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize);
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#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
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defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
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defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
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s_waitForDataReceive = 1;
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USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
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#endif
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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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return error;
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}
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/*!
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* @brief Bulk out pipe callback function.
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*
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* This function serves as the callback function for bulk out pipe.
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*
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* @param handle The USB device handle.
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* @param message The endpoint callback message
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* @param callbackParam The parameter of the callback.
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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_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_status_t error = kStatus_USB_Error;
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if ((1U == s_cdcVcom.attach) && (1U == s_cdcVcom.startTransactions))
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{
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s_recvSize = message->length;
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error = kStatus_USB_Success;
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#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
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defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
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defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
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s_waitForDataReceive = 0;
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USB0->INTEN |= USB_INTEN_SOFTOKEN_MASK;
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#endif
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if (0U == s_recvSize)
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{
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/* Schedule buffer for next receive event */
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USB_DeviceRecvRequest(handle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize);
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#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
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defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
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defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
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s_waitForDataReceive = 1;
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USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
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#endif
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}
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}
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return error;
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}
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/*!
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* @brief Get the setup packet buffer.
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*
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* This function provides the buffer for setup packet.
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*
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* @param handle The USB device handle.
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* @param setupBuffer The pointer to the address of setup packet buffer.
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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_DeviceGetSetupBuffer(usb_device_handle handle, usb_setup_struct_t **setupBuffer)
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{
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static uint32_t cdcVcomSetup[2];
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if (NULL == setupBuffer)
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{
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return kStatus_USB_InvalidParameter;
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}
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*setupBuffer = (usb_setup_struct_t *)&cdcVcomSetup;
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return kStatus_USB_Success;
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}
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/*!
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* @brief Get the setup packet data buffer.
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*
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* This function gets the data buffer for setup packet.
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*
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* @param handle The USB device handle.
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* @param setup The pointer to the setup packet.
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* @param length The pointer to the length of the data buffer.
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* @param buffer The pointer to the address of setup packet data buffer.
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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_DeviceGetClassReceiveBuffer(usb_device_handle handle,
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usb_setup_struct_t *setup,
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uint32_t *length,
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uint8_t **buffer)
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{
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if ((NULL == buffer) || ((*length) > sizeof(s_SetupOutBuffer)))
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{
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return kStatus_USB_InvalidRequest;
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}
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*buffer = s_SetupOutBuffer;
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return kStatus_USB_Success;
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}
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/*!
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* @brief Configure remote wakeup feature.
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*
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* This function configures the remote wakeup feature.
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*
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* @param handle The USB device handle.
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* @param enable 1: enable, 0: disable.
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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_DeviceConfigureRemoteWakeup(usb_device_handle handle, uint8_t enable)
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{
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return kStatus_USB_InvalidRequest;
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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 USB device handle.
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* @param setup The pointer to the setup packet.
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* @param length The pointer to the length of the data buffer.
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* @param buffer The pointer to the address of setup packet data buffer.
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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_DeviceProcessClassRequest(usb_device_handle handle,
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usb_setup_struct_t *setup,
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uint32_t *length,
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uint8_t **buffer)
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{
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usb_status_t error = kStatus_USB_InvalidRequest;
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usb_cdc_acm_info_t *acmInfo = &s_usbCdcAcmInfo;
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#if ((defined USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE) && (USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE > 0U))
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#else
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uint32_t len;
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#endif
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uint8_t *uartBitmap;
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if (setup->wIndex != USB_CDC_VCOM_COMM_INTERFACE_INDEX)
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{
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return error;
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}
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switch (setup->bRequest)
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{
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case USB_DEVICE_CDC_REQUEST_SEND_ENCAPSULATED_COMMAND:
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break;
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case USB_DEVICE_CDC_REQUEST_GET_ENCAPSULATED_RESPONSE:
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break;
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case USB_DEVICE_CDC_REQUEST_SET_COMM_FEATURE:
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if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
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(setup->wLength != 0U))
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{
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if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == setup->wValue)
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{
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(void)memcpy(s_abstractState, *buffer, 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 == setup->wValue)
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{
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(void)memcpy(s_countryCode, *buffer, 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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}
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}
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break;
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case USB_DEVICE_CDC_REQUEST_GET_COMM_FEATURE:
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if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_IN) &&
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(setup->wLength != 0U))
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{
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if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == setup->wValue)
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{
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*buffer = s_abstractState;
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*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 == setup->wValue)
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{
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*buffer = s_countryCode;
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*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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}
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}
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break;
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case USB_DEVICE_CDC_REQUEST_CLEAR_COMM_FEATURE:
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break;
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case USB_DEVICE_CDC_REQUEST_GET_LINE_CODING:
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if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_IN) &&
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(setup->wLength != 0U))
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{
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*buffer = s_lineCoding;
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*length = LINE_CODING_SIZE;
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error = kStatus_USB_Success;
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}
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break;
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case USB_DEVICE_CDC_REQUEST_SET_LINE_CODING:
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if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
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(setup->wLength != 0U))
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{
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(void)memcpy(s_lineCoding, *buffer, LINE_CODING_SIZE);
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error = kStatus_USB_Success;
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}
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break;
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case USB_DEVICE_CDC_REQUEST_SET_CONTROL_LINE_STATE:
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{
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if (((setup->bmRequestType & USB_REQUEST_TYPE_DIR_MASK) == USB_REQUEST_TYPE_DIR_OUT) &&
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(setup->wLength == 0U))
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{
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error = kStatus_USB_Success;
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acmInfo->dteStatus = setup->wValue;
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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 =
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(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_REQUEST_SERIAL_STATE_NOTIF; /* 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 */
|
|
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;
|
|
#if ((defined USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE) && (USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE > 0U))
|
|
#else
|
|
len = (uint32_t)(NOTIF_PACKET_SIZE + UART_BITMAP_SIZE);
|
|
if (0U == s_cdcVcom.hasSentState)
|
|
{
|
|
error =
|
|
USB_DeviceSendRequest(handle, USB_CDC_VCOM_INTERRUPT_IN_ENDPOINT, acmInfo->serialStateBuf, len);
|
|
if (kStatus_USB_Success != error)
|
|
{
|
|
usb_echo("kUSB_DeviceCdcEventSetControlLineState error!");
|
|
}
|
|
s_cdcVcom.hasSentState = 1;
|
|
}
|
|
#endif
|
|
/* Update status */
|
|
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
|
|
{
|
|
/* To do: CARRIER_ACTIVATED */
|
|
}
|
|
else
|
|
{
|
|
/* To do: CARRIER_DEACTIVATED */
|
|
}
|
|
|
|
if (1U == s_cdcVcom.attach)
|
|
{
|
|
s_cdcVcom.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
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case USB_DEVICE_CDC_REQUEST_SEND_BREAK:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
/*!
|
|
* @brief USB device callback function.
|
|
*
|
|
* This function handles the usb device specific requests.
|
|
*
|
|
* @param handle The USB device handle.
|
|
* @param event The USB device event type.
|
|
* @param param The parameter of the device specific request.
|
|
*
|
|
* @return A USB error code or kStatus_USB_Success.
|
|
*/
|
|
usb_status_t USB_DeviceCallback(usb_device_handle handle, uint32_t event, void *param)
|
|
{
|
|
usb_status_t error = kStatus_USB_InvalidRequest;
|
|
uint8_t *temp8 = (uint8_t *)param;
|
|
|
|
switch (event)
|
|
{
|
|
case kUSB_DeviceEventBusReset:
|
|
{
|
|
USB_DeviceControlPipeInit(s_cdcVcom.deviceHandle);
|
|
s_cdcVcom.attach = 0;
|
|
s_cdcVcom.currentConfiguration = 0U;
|
|
error = kStatus_USB_Success;
|
|
#if (defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)) || \
|
|
(defined(USB_DEVICE_CONFIG_LPCIP3511HS) && (USB_DEVICE_CONFIG_LPCIP3511HS > 0U))
|
|
/* Get USB speed to configure the device, including max packet size and interval of the endpoints. */
|
|
if (kStatus_USB_Success ==
|
|
USB_DeviceGetStatus(s_cdcVcom.deviceHandle, kUSB_DeviceStatusSpeed, &s_cdcVcom.speed))
|
|
{
|
|
USB_DeviceSetSpeed(handle, s_cdcVcom.speed);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case kUSB_DeviceEventSetConfiguration:
|
|
if (0U == (*temp8))
|
|
{
|
|
s_cdcVcom.attach = 0;
|
|
s_cdcVcom.currentConfiguration = 0U;
|
|
error = kStatus_USB_Success;
|
|
}
|
|
else if (USB_CDC_VCOM_CONFIGURE_INDEX == (*temp8))
|
|
{
|
|
usb_device_endpoint_init_struct_t epInitStruct;
|
|
usb_device_endpoint_callback_struct_t epCallback;
|
|
|
|
s_cdcVcom.attach = 1;
|
|
s_cdcVcom.currentConfiguration = *temp8;
|
|
|
|
#if ((defined USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE) && (USB_DEVICE_CONFIG_CDC_CIC_EP_DISABLE > 0U))
|
|
#else
|
|
/* 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_INTERRUPT_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == s_cdcVcom.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(s_cdcVcom.deviceHandle, &epInitStruct, &epCallback);
|
|
#endif
|
|
|
|
/* Initiailize endpoints for bulk pipe */
|
|
epCallback.callbackFn = USB_DeviceCdcAcmBulkIn;
|
|
epCallback.callbackParam = handle;
|
|
|
|
epInitStruct.zlt = 0;
|
|
epInitStruct.interval = 0U;
|
|
epInitStruct.transferType = USB_ENDPOINT_BULK;
|
|
epInitStruct.endpointAddress =
|
|
USB_CDC_VCOM_BULK_IN_ENDPOINT | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == s_cdcVcom.speed)
|
|
{
|
|
epInitStruct.maxPacketSize = HS_CDC_VCOM_BULK_IN_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
epInitStruct.maxPacketSize = FS_CDC_VCOM_BULK_IN_PACKET_SIZE;
|
|
}
|
|
|
|
USB_DeviceInitEndpoint(s_cdcVcom.deviceHandle, &epInitStruct, &epCallback);
|
|
|
|
epCallback.callbackFn = USB_DeviceCdcAcmBulkOut;
|
|
epCallback.callbackParam = handle;
|
|
|
|
epInitStruct.zlt = 0;
|
|
epInitStruct.interval = 0U;
|
|
epInitStruct.transferType = USB_ENDPOINT_BULK;
|
|
epInitStruct.endpointAddress =
|
|
USB_CDC_VCOM_BULK_OUT_ENDPOINT | (USB_OUT << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT);
|
|
if (USB_SPEED_HIGH == s_cdcVcom.speed)
|
|
{
|
|
epInitStruct.maxPacketSize = HS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
epInitStruct.maxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
|
|
USB_DeviceInitEndpoint(s_cdcVcom.deviceHandle, &epInitStruct, &epCallback);
|
|
|
|
if (USB_SPEED_HIGH == s_cdcVcom.speed)
|
|
{
|
|
s_usbBulkMaxPacketSize = HS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
else
|
|
{
|
|
s_usbBulkMaxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
|
|
}
|
|
/* Schedule buffer for receive */
|
|
error = USB_DeviceRecvRequest(handle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf,
|
|
s_usbBulkMaxPacketSize);
|
|
}
|
|
else
|
|
{
|
|
/* no action, return kStatus_USB_InvalidRequest */
|
|
}
|
|
break;
|
|
case kUSB_DeviceEventSetInterface:
|
|
error = kStatus_USB_Success;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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_DeviceConfigureEndpointStatus(usb_device_handle handle, uint8_t ep, uint8_t status)
|
|
{
|
|
if (status)
|
|
{
|
|
return USB_DeviceStallEndpoint(handle, ep);
|
|
}
|
|
else
|
|
{
|
|
return USB_DeviceUnstallEndpoint(handle, ep);
|
|
}
|
|
}
|
|
|
|
static void CDC_VCOM_BMEnterCritical(uint32_t *sr)
|
|
{
|
|
*sr = DisableGlobalIRQ();
|
|
}
|
|
|
|
static void CDC_VCOM_BMExitCritical(uint32_t sr)
|
|
{
|
|
EnableGlobalIRQ(sr);
|
|
}
|
|
|
|
/*!
|
|
* @brief Application initialization function.
|
|
*
|
|
* This function initializes the application.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void APPInit(void)
|
|
{
|
|
USB_DeviceClockInit();
|
|
#if (defined(FSL_FEATURE_SOC_SYSMPU_COUNT) && (FSL_FEATURE_SOC_SYSMPU_COUNT > 0U))
|
|
SYSMPU_Enable(SYSMPU, 0);
|
|
#endif /* FSL_FEATURE_SOC_SYSMPU_COUNT */
|
|
|
|
s_cdcVcom.speed = USB_SPEED_FULL;
|
|
s_cdcVcom.attach = 0;
|
|
s_cdcVcom.deviceHandle = NULL;
|
|
|
|
if (kStatus_USB_Success != USB_DeviceInit(CONTROLLER_ID, USB_DeviceCallback, &s_cdcVcom.deviceHandle))
|
|
{
|
|
usb_echo("USB device vcom failed\r\n");
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
usb_echo("USB device CDC virtual com demo\r\n");
|
|
}
|
|
|
|
USB_DeviceIsrEnable();
|
|
|
|
/*Add one delay here to make the DP pull down long enough to allow host to detect the previous disconnection.*/
|
|
SDK_DelayAtLeastUs(5000, SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY);
|
|
USB_DeviceRun(s_cdcVcom.deviceHandle);
|
|
}
|
|
|
|
/*!
|
|
* @brief Application task function.
|
|
*
|
|
* This function runs the task for application.
|
|
*
|
|
* @return None.
|
|
*/
|
|
void APP_task(void)
|
|
{
|
|
usb_status_t error = kStatus_USB_Error;
|
|
uint32_t usbOsaCurrentSr;
|
|
|
|
if ((1U == s_cdcVcom.attach) && (1U == s_cdcVcom.startTransactions))
|
|
{
|
|
/* Enter critical can not be added here because of the loop */
|
|
/* endpoint callback length is USB_CANCELLED_TRANSFER_LENGTH (0xFFFFFFFFU) when transfer is canceled */
|
|
if ((0U != s_recvSize) && (USB_CANCELLED_TRANSFER_LENGTH != s_recvSize))
|
|
{
|
|
/* The operating timing sequence has guaranteed there is no conflict to access the s_recvSize between USB
|
|
ISR and this task. Therefore, the following code of Enter/Exit ctitical mode is useless,
|
|
only to mention users the exclusive access of s_recvSize if users implement their own
|
|
application referred to this SDK demo */
|
|
CDC_VCOM_BMEnterCritical(&usbOsaCurrentSr);
|
|
if ((0U != s_recvSize) && (USB_CANCELLED_TRANSFER_LENGTH != s_recvSize))
|
|
{
|
|
/* Copy Buffer to Send Buff */
|
|
memcpy(s_currSendBuf, s_currRecvBuf, s_recvSize);
|
|
s_sendSize = s_recvSize;
|
|
s_recvSize = 0;
|
|
}
|
|
CDC_VCOM_BMExitCritical(usbOsaCurrentSr);
|
|
}
|
|
|
|
if (0U != s_sendSize)
|
|
{
|
|
uint32_t size = s_sendSize;
|
|
s_sendSize = 0;
|
|
|
|
error = USB_DeviceSendRequest(s_cdcVcom.deviceHandle, USB_CDC_VCOM_BULK_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 == 1U)
|
|
{
|
|
/* 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)
|
|
{
|
|
__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
|
|
}
|
|
}
|
|
|
|
#if defined(__CC_ARM) || (defined(__ARMCC_VERSION)) || defined(__GNUC__)
|
|
int main(void)
|
|
#else
|
|
void main(void)
|
|
#endif
|
|
{
|
|
BOARD_ConfigMPU();
|
|
BOARD_InitBootPins();
|
|
BOARD_InitBootClocks();
|
|
BOARD_InitDebugConsole();
|
|
|
|
APPInit();
|
|
|
|
while (1)
|
|
{
|
|
APP_task();
|
|
|
|
#if USB_DEVICE_CONFIG_USE_TASK
|
|
USB_DeviceTaskFn(s_cdcVcom.deviceHandle);
|
|
#endif
|
|
}
|
|
}
|