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ADIS_Projects/ADIS_Sumo_Styger/usb/cdc/virtual_com.c

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/*
* Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc.
* Copyright 2016 - 2017 NXP
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "fsl_device_registers.h"
#include "clock_config.h"
#include "board.h"
#include <stdio.h>
#include <stdlib.h>
#include "usb_device_config.h"
#include "usb.h"
#include "usb_device.h"
#include "usb_device_class.h"
#include "usb_device_cdc_acm.h"
#include "usb_device_ch9.h"
#include "fsl_debug_console.h"
#include "usb_device_descriptor.h"
#include "virtual_com.h"
#if (defined(FSL_FEATURE_SOC_SYSMPU_COUNT) && (FSL_FEATURE_SOC_SYSMPU_COUNT > 0U))
#include "fsl_sysmpu.h"
#endif /* FSL_FEATURE_SOC_SYSMPU_COUNT */
#if ((defined FSL_FEATURE_SOC_USBPHY_COUNT) && (FSL_FEATURE_SOC_USBPHY_COUNT > 0U))
#include "usb_phy.h"
#endif
#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)
extern uint8_t USB_EnterLowpowerMode(void);
#endif
#include "pin_mux.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Prototypes
******************************************************************************/
void USB_DeviceIsrEnable(void);
#if USB_DEVICE_CONFIG_USE_TASK
void USB_DeviceTaskFn(void *deviceHandle);
#endif
usb_status_t USB_DeviceCdcVcomCallback(class_handle_t handle, uint32_t event, void *param);
usb_status_t USB_DeviceCallback(usb_device_handle handle, uint32_t event, void *param);
#if 1 /* << EST */
#include "platform.h"
#if PL_CONFIG_USE_ESP32
#include "McuESP32.h"
#endif
#include "fsl_common.h"
#include "pin_mux.h"
#include "McuRTOS.h"
#include "McuRB.h"
#include "McuWait.h"
#define ENABLED_USB_CDC_LOGGING (0)
#define USB_RB_SIZE (256*DATA_BUFF_SIZE) /* size of USB ring buffers */
static McuRB_Handle_t usb_rxBuf, usb_txBuf;
size_t USB_CdcGetFreeBytesInTxBuffer(void) {
return McuRB_NofFreeElements(usb_txBuf);
}
static void USB_CdcStdIOReadChar(uint8_t *c) {
if (McuRB_NofElements(usb_rxBuf)==0) {
*c = '\0';
return;
}
if (McuRB_Get(usb_rxBuf, c)!=ERR_OK) {
*c = '\0';
return;
}
}
static void USB_CdcStdIOSendChar(uint8_t ch) {
int timeoutMs = 50;
while (McuRB_Put(usb_txBuf, &ch)!=ERR_OK) {
McuWait_WaitOSms(1);
if(timeoutMs<=0) {
break; /* timeout */
}
timeoutMs -= 1;
}
}
static void USB_CdcStdIOSendCharNonBlocking(uint8_t ch) {
(void)McuRB_Put(usb_txBuf, &ch);
}
static bool USB_CdcStdIOKeyPressed(void) {
return McuRB_NofElements(usb_rxBuf)!=0;
}
McuShell_ConstStdIOType USB_CdcStdio = {
.stdIn = (McuShell_StdIO_In_FctType)USB_CdcStdIOReadChar, /* stdin */
.stdOut = (McuShell_StdIO_OutErr_FctType)USB_CdcStdIOSendChar, /* stdout */
.stdErr = (McuShell_StdIO_OutErr_FctType)USB_CdcStdIOSendChar, /* stderr */
.keyPressed = USB_CdcStdIOKeyPressed, /* if input is not empty */
};
McuShell_ConstStdIOType USB_CdcStdioNonBlockingSend = {
.stdIn = (McuShell_StdIO_In_FctType)USB_CdcStdIOReadChar, /* stdin */
.stdOut = (McuShell_StdIO_OutErr_FctType)USB_CdcStdIOSendCharNonBlocking, /* stdout */
.stdErr = (McuShell_StdIO_OutErr_FctType)USB_CdcStdIOSendCharNonBlocking, /* stderr */
.keyPressed = USB_CdcStdIOKeyPressed, /* if input is not empty */
};
uint8_t USB_CdcDefaultShellBuffer[McuShell_DEFAULT_SHELL_BUFFER_SIZE]; /* default buffer which can be used by the application */
#endif /* << EST */
/*******************************************************************************
* Variables
******************************************************************************/
extern usb_device_endpoint_struct_t g_UsbDeviceCdcVcomDicEndpoints[];
extern usb_device_class_struct_t g_UsbDeviceCdcVcomConfig;
/* Data structure of virtual com device */
usb_cdc_vcom_struct_t s_cdcVcom;
/* Line coding of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_lineCoding[LINE_CODING_SIZE] = {
/* E.g. 0x00,0xC2,0x01,0x00 : 0x0001C200 is 115200 bits per second */
(LINE_CODING_DTERATE >> 0U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 8U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 16U) & 0x000000FFU,
(LINE_CODING_DTERATE >> 24U) & 0x000000FFU,
LINE_CODING_CHARFORMAT,
LINE_CODING_PARITYTYPE,
LINE_CODING_DATABITS};
/* Abstract state of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_abstractState[COMM_FEATURE_DATA_SIZE] = {(STATUS_ABSTRACT_STATE >> 0U) & 0x00FFU,
(STATUS_ABSTRACT_STATE >> 8U) & 0x00FFU};
/* Country code of cdc device */
USB_DMA_INIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_countryCode[COMM_FEATURE_DATA_SIZE] = {(COUNTRY_SETTING >> 0U) & 0x00FFU,
(COUNTRY_SETTING >> 8U) & 0x00FFU};
/* CDC ACM information */
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static usb_cdc_acm_info_t s_usbCdcAcmInfo;
/* Data buffer for receiving and sending*/
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currRecvBuf[DATA_BUFF_SIZE];
USB_DMA_NONINIT_DATA_ALIGN(USB_DATA_ALIGN_SIZE) static uint8_t s_currSendBuf[DATA_BUFF_SIZE];
/* USB device class information */
static usb_device_class_config_struct_t s_cdcAcmConfig[1] = {{
USB_DeviceCdcVcomCallback, 0, &g_UsbDeviceCdcVcomConfig,
}};
/* USB device class configuration information */
static usb_device_class_config_list_struct_t s_cdcAcmConfigList = {
s_cdcAcmConfig, USB_DeviceCallback, 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)
volatile static uint8_t s_waitForDataReceive = 0;
volatile static uint8_t s_comOpen = 0;
#endif
/*******************************************************************************
* Code
******************************************************************************/
void USB0_IRQHandler(void)
{
USB_DeviceKhciIsrFunction(s_cdcVcom.deviceHandle);
/* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
exception return operation might vector to incorrect interrupt */
__DSB();
}
void USB_DeviceIsrEnable(void)
{
uint8_t irqNumber;
uint8_t usbDeviceKhciIrq[] = USB_IRQS;
irqNumber = usbDeviceKhciIrq[CONTROLLER_ID - kUSB_ControllerKhci0];
/* Install isr, set priority, and enable IRQ. */
NVIC_SetPriority((IRQn_Type)irqNumber, USB_DEVICE_INTERRUPT_PRIORITY);
EnableIRQ((IRQn_Type)irqNumber);
}
#if USB_DEVICE_CONFIG_USE_TASK
void USB_DeviceTaskFn(void *deviceHandle)
{
USB_DeviceKhciTaskFunction(deviceHandle);
}
#endif
/*!
* @brief CDC class specific callback function.
*
* This function handles the CDC class specific requests.
*
* @param handle The CDC ACM class handle.
* @param event The CDC ACM class event type.
* @param param The parameter of the class specific request.
*
* @return A USB error code or kStatus_USB_Success.
*/
usb_status_t USB_DeviceCdcVcomCallback(class_handle_t handle, uint32_t event, void *param)
{
uint32_t len;
uint8_t *uartBitmap;
usb_device_cdc_acm_request_param_struct_t *acmReqParam;
usb_device_endpoint_callback_message_struct_t *epCbParam;
usb_status_t error = kStatus_USB_Error;
usb_cdc_acm_info_t *acmInfo = &s_usbCdcAcmInfo;
acmReqParam = (usb_device_cdc_acm_request_param_struct_t *)param;
epCbParam = (usb_device_endpoint_callback_message_struct_t *)param;
switch (event)
{
case kUSB_DeviceCdcEventSendResponse:
{
if ((epCbParam->length != 0) && (!(epCbParam->length % g_UsbDeviceCdcVcomDicEndpoints[0].maxPacketSize)))
{
/* If the last packet is the size of endpoint, then send also zero-ended packet,
** meaning that we want to inform the host that we do not have any additional
** data, so it can flush the output.
*/
error = USB_DeviceCdcAcmSend(handle, USB_CDC_VCOM_BULK_IN_ENDPOINT, NULL, 0);
}
else if ((1 == s_cdcVcom.attach) && (1 == s_cdcVcom.startTransactions))
{
if ((epCbParam->buffer != NULL) || ((epCbParam->buffer == NULL) && (epCbParam->length == 0)))
{
/* User: add your own code for send complete event */
/* Schedule buffer for next receive event */
error = USB_DeviceCdcAcmRecv(handle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceCdcVcomDicEndpoints[0].maxPacketSize);
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
#endif
}
}
else
{
}
}
break;
case kUSB_DeviceCdcEventRecvResponse:
{
if ((1 == s_cdcVcom.attach) && (1 == s_cdcVcom.startTransactions))
{
#if 1 /* << EST */
size_t i, dataSize;
dataSize = epCbParam->length;
if (dataSize!=0 && dataSize!=(size_t)-1) {
i = 0;
while(i<dataSize) {
McuRB_Put(usb_rxBuf, &s_currRecvBuf[i]);
i++;
}
}
#endif
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 0;
USB0->INTEN |= USB_INTEN_SOFTOKEN_MASK;
#endif
//if (!s_recvSize) /* << EST */
{
/* Schedule buffer for next receive event */
error = USB_DeviceCdcAcmRecv(handle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceCdcVcomDicEndpoints[0].maxPacketSize);
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
#endif
}
}
}
break;
case kUSB_DeviceCdcEventSerialStateNotif:
((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 0;
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSendEncapsulatedCommand:
break;
case kUSB_DeviceCdcEventGetEncapsulatedResponse:
break;
case kUSB_DeviceCdcEventSetCommFeature:
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
{
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_abstractState;
}
else
{
*(acmReqParam->length) = 0;
}
}
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
{
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_countryCode;
}
else
{
*(acmReqParam->length) = 0;
}
}
else
{
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventGetCommFeature:
if (USB_DEVICE_CDC_FEATURE_ABSTRACT_STATE == acmReqParam->setupValue)
{
*(acmReqParam->buffer) = s_abstractState;
*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
}
else if (USB_DEVICE_CDC_FEATURE_COUNTRY_SETTING == acmReqParam->setupValue)
{
*(acmReqParam->buffer) = s_countryCode;
*(acmReqParam->length) = COMM_FEATURE_DATA_SIZE;
}
else
{
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventClearCommFeature:
break;
case kUSB_DeviceCdcEventGetLineCoding:
*(acmReqParam->buffer) = s_lineCoding;
*(acmReqParam->length) = LINE_CODING_SIZE;
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSetLineCoding:
{
if (1 == acmReqParam->isSetup)
{
*(acmReqParam->buffer) = s_lineCoding;
}
else
{
*(acmReqParam->length) = 0;
}
}
error = kStatus_USB_Success;
break;
case kUSB_DeviceCdcEventSetControlLineState:
{
s_usbCdcAcmInfo.dteStatus = acmReqParam->setupValue;
/* activate/deactivate Tx carrier */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
{
acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
}
else
{
acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_TX_CARRIER;
}
/* activate carrier and DTE. Com port of terminal tool running on PC is open now */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
{
acmInfo->uartState |= USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
}
/* Com port of terminal tool running on PC is closed now */
else
{
acmInfo->uartState &= (uint16_t)~USB_DEVICE_CDC_UART_STATE_RX_CARRIER;
}
/* Indicates to DCE if DTE is present or not */
acmInfo->dtePresent = (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE) ? true : false;
#if 1 /* << EST */
// http://markdingst.blogspot.com/2014/06/implementing-usb-communication-device.html
// bit 0: Indicates to DCE if DTE is present or not. This signal corresponds to V.24 signal 108/2 and RS232 signal DTR.
// 0: DTE is not present.
// 1: DTE is present
// bit 1: Carrier control for half duplex modems. This signal corresponds to V.24 signal 105 and RS232 signal RTS.
// 0: Deactivate carrier.
// 1: Activate carrier.
// The device ignores the value of this bit when operating in full duplex mode.
#if PL_CONFIG_USE_ESP32 && McuESP32_CONFIG_USE_USB_CDC
McuESP32_UartState_Callback(acmInfo->uartState);
#endif
#if ENABLED_USB_CDC_LOGGING
McuRTT_printf(0, "CDC: set control dteStatus: %d, uartState: %d, dtePresent: %d, attach: %d, startTransaction: %d\r\n", s_usbCdcAcmInfo.dteStatus, acmInfo->uartState, acmInfo->dtePresent, s_cdcVcom.attach, s_cdcVcom.startTransactions);
#endif
#endif
/* Initialize the serial state buffer */
acmInfo->serialStateBuf[0] = NOTIF_REQUEST_TYPE; /* bmRequestType */
acmInfo->serialStateBuf[1] = USB_DEVICE_CDC_NOTIF_SERIAL_STATE; /* bNotification */
acmInfo->serialStateBuf[2] = 0x00; /* wValue */
acmInfo->serialStateBuf[3] = 0x00;
acmInfo->serialStateBuf[4] = 0x00; /* wIndex */
acmInfo->serialStateBuf[5] = 0x00;
acmInfo->serialStateBuf[6] = UART_BITMAP_SIZE; /* wLength */
acmInfo->serialStateBuf[7] = 0x00;
/* Notify to host the line state */
acmInfo->serialStateBuf[4] = acmReqParam->interfaceIndex;
/* Lower byte of UART BITMAP */
uartBitmap = (uint8_t *)&acmInfo->serialStateBuf[NOTIF_PACKET_SIZE + UART_BITMAP_SIZE - 2];
uartBitmap[0] = acmInfo->uartState & 0xFFu;
uartBitmap[1] = (acmInfo->uartState >> 8) & 0xFFu;
len = (uint32_t)(NOTIF_PACKET_SIZE + UART_BITMAP_SIZE);
if (0 == ((usb_device_cdc_acm_struct_t *)handle)->hasSentState)
{
error = USB_DeviceCdcAcmSend(handle, USB_CDC_VCOM_INTERRUPT_IN_ENDPOINT, acmInfo->serialStateBuf, len);
if (kStatus_USB_Success != error)
{
usb_echo("kUSB_DeviceCdcEventSetControlLineState error!");
}
((usb_device_cdc_acm_struct_t *)handle)->hasSentState = 1;
}
/* Update status */
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION)
{
/* To do: CARRIER_ACTIVATED */
#if ENABLED_USB_CDC_LOGGING
McuRTT_printf(0, "CARRIER_ACTIVATED\r\n");
#endif
}
else
{
/* To do: CARRIER_DEACTIVATED */
#if ENABLED_USB_CDC_LOGGING
McuRTT_printf(0, "CARRIER_DEACTIVATED\r\n");
#endif
}
#if 0
if (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
#else /* << EST */
if ( (acmInfo->dteStatus & USB_DEVICE_CDC_CONTROL_SIG_BITMAP_DTE_PRESENCE)
|| (s_cdcVcom.attach && (acmInfo->dteStatus==USB_DEVICE_CDC_CONTROL_SIG_BITMAP_CARRIER_ACTIVATION) /* && !s_cdcVcom.startTransactions*/) /* << EST */
)
#endif
{
/* DTE_ACTIVATED */
if (1 == s_cdcVcom.attach)
{
s_cdcVcom.startTransactions = 1;
#if ENABLED_USB_CDC_LOGGING
McuRTT_printf(0, "startTransactions=1\r\n");
#endif
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
s_waitForDataReceive = 1;
USB0->INTEN &= ~USB_INTEN_SOFTOKEN_MASK;
s_comOpen = 1;
usb_echo("USB_APP_CDC_DTE_ACTIVATED\r\n");
#endif
}
}
else
{
/* DTE_DEACTIVATED */
if (1 == s_cdcVcom.attach)
{
// s_cdcVcom.startTransactions = 0;
#if ENABLED_USB_CDC_LOGGING
McuRTT_printf(0, "startTransactions=0\r\n");
#endif
}
}
}
break;
case kUSB_DeviceCdcEventSendBreak:
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_Error;
uint16_t *temp16 = (uint16_t *)param;
uint8_t *temp8 = (uint8_t *)param;
switch (event)
{
case kUSB_DeviceEventBusReset:
{
s_cdcVcom.attach = 0;
s_cdcVcom.currentConfiguration = 0U;
#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_DeviceClassGetSpeed(CONTROLLER_ID, &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;
}
else if (USB_CDC_VCOM_CONFIGURE_INDEX == (*temp8))
{
s_cdcVcom.attach = 1;
s_cdcVcom.currentConfiguration = *temp8;
/* Schedule buffer for receive */
USB_DeviceCdcAcmRecv(s_cdcVcom.cdcAcmHandle, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf,
g_UsbDeviceCdcVcomDicEndpoints[0].maxPacketSize);
}
else
{
error = kStatus_USB_InvalidRequest;
}
break;
case kUSB_DeviceEventSetInterface:
if (s_cdcVcom.attach)
{
uint8_t interface = (uint8_t)((*temp16 & 0xFF00U) >> 0x08U);
uint8_t alternateSetting = (uint8_t)(*temp16 & 0x00FFU);
if (interface < USB_CDC_VCOM_INTERFACE_COUNT)
{
s_cdcVcom.currentInterfaceAlternateSetting[interface] = alternateSetting;
}
}
break;
case kUSB_DeviceEventGetConfiguration:
break;
case kUSB_DeviceEventGetInterface:
break;
case kUSB_DeviceEventGetDeviceDescriptor:
if (param)
{
error = USB_DeviceGetDeviceDescriptor(handle, (usb_device_get_device_descriptor_struct_t *)param);
}
break;
case kUSB_DeviceEventGetConfigurationDescriptor:
if (param)
{
error = USB_DeviceGetConfigurationDescriptor(handle,
(usb_device_get_configuration_descriptor_struct_t *)param);
}
break;
case kUSB_DeviceEventGetStringDescriptor:
if (param)
{
/* Get device string descriptor request */
error = USB_DeviceGetStringDescriptor(handle, (usb_device_get_string_descriptor_struct_t *)param);
}
break;
default:
break;
}
return error;
}
#if 1 /* << EST */
void APPTask(void);
static void UsbTask(void *pv) {
(void)pv; /* not used */
USB_DeviceIsrEnable();
USB_DeviceRun(s_cdcVcom.deviceHandle);
for(;;) {
APPTask();
#if USB_DEVICE_CONFIG_USE_TASK
USB_DeviceTaskFn(s_cdcVcom.deviceHandle);
#endif
vTaskDelay(pdMS_TO_TICKS(5));
}
}
#endif
/*!
* @brief Application initialization function.
*
* This function initializes the application.
*
* @return None.
*/
#if 0 /* << EST */
void APPInit(void)
#else
void USB_APPInit(void)
#endif
{
#if 0 /* << EST */
USB_DeviceClockInit();
#endif
#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.cdcAcmHandle = (class_handle_t)NULL;
s_cdcVcom.deviceHandle = NULL;
if (kStatus_USB_Success != USB_DeviceClassInit(CONTROLLER_ID, &s_cdcAcmConfigList, &s_cdcVcom.deviceHandle))
{
usb_echo("USB device init failed\r\n");
}
else
{
usb_echo("USB device CDC virtual com\r\n");
s_cdcVcom.cdcAcmHandle = s_cdcAcmConfigList.config->classHandle;
}
USB_DeviceIsrEnable();
USB_DeviceRun(s_cdcVcom.deviceHandle);
#if 1 /* << EST */
McuRB_Config_t config;
McuRB_GetDefaultconfig(&config);
config.elementSize = 1;
config.nofElements = USB_RB_SIZE;
usb_rxBuf = McuRB_InitRB(&config);
usb_txBuf = McuRB_InitRB(&config);
if (xTaskCreate(
UsbTask, /* pointer to the task */
"Usb", /* task name for kernel awareness debugging */
600/sizeof(StackType_t), /* task stack size */
(void*)NULL, /* optional task startup argument */
tskIDLE_PRIORITY+5, /* initial priority */
(TaskHandle_t*)NULL /* optional task handle to create */
) != pdPASS) {
for(;;){} /* error! probably out of memory */
}
#endif
}
#if 1 /* << EST */
bool USB_CdcIsConnected(void) {
return s_cdcVcom.attach==1 && s_cdcVcom.startTransactions==1;
}
#endif
/*!
* @brief Application task function.
*
* This function runs the task for application.
*
* @return None.
*/
void APPTask(void)
{
usb_status_t error = kStatus_USB_Error;
if ((1 == s_cdcVcom.attach) && (1 == s_cdcVcom.startTransactions))
{
#if 1 /* << EST */
if (McuRB_NofElements(usb_txBuf)!=0)
#else
if (s_sendSize)
#endif
{
#if 1
uint32_t size = 0;
while(size < sizeof(s_currSendBuf) && McuRB_NofElements(usb_txBuf)>0) {
(void)McuRB_Get(usb_txBuf, &s_currSendBuf[size]);
size++;
}
#else
uint32_t size = s_sendSize;
s_sendSize = 0;
#endif
error = USB_DeviceCdcAcmSend(s_cdcVcom.cdcAcmHandle, 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 == 1)
{
/* Wait for all the packets been sent during opening the com port. Otherwise these packets may
* wake up the system.
*/
usb_echo("Waiting to enter lowpower ...\r\n");
for (uint32_t i = 0U; i < 16000000U; ++i)
{
__ASM("NOP"); /* delay */
}
s_comOpen = 0;
}
usb_echo("Enter lowpower\r\n");
BOARD_DbgConsole_Deinit();
USB0->INTEN &= ~USB_INTEN_TOKDNEEN_MASK;
USB_EnterLowpowerMode();
s_waitForDataReceive = 0;
USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK;
BOARD_DbgConsole_Init();
usb_echo("Exit lowpower\r\n");
}
#endif
}
}
#if 0 /* << EST */
#if defined(__CC_ARM) || (defined(__ARMCC_VERSION)) || defined(__GNUC__)
int main(void)
#else
void main(void)
#endif
{
BOARD_InitPins();
BOARD_BootClockRUN();
BOARD_InitDebugConsole();
APPInit();
while (1)
{
APPTask();
#if USB_DEVICE_CONFIG_USE_TASK
USB_DeviceTaskFn(s_cdcVcom.deviceHandle);
#endif
}
}
#endif