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//*****************************************************************************
//
// usb_serial_structs.c - Data structures defining this CDC USB device.
//
// Copyright (c) 2012 Texas Instruments Incorporated. All rights reserved.
// Software License Agreement
//
// Texas Instruments (TI) is supplying this software for use solely and
// exclusively on TI's microcontroller products. The software is owned by
// TI and/or its suppliers, and is protected under applicable copyright
// laws. You may not combine this software with "viral" open-source
// software in order to form a larger program.
//
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
// DAMAGES, FOR ANY REASON WHATSOEVER.
//
// This is part of revision 9453 of the EK-LM4F120XL Firmware Package.
//
//*****************************************************************************
#include "inc/hw_types.h"
#include "driverlib/usb.h"
#include "usblib/usblib.h"
#include "usblib/usbcdc.h"
#include "usblib/usb-ids.h"
#include "usblib/device/usbdevice.h"
#include "usblib/device/usbdcdc.h"
#include "usb_serial_structs.h"
//*****************************************************************************
//
// The languages supported by this device.
//
//*****************************************************************************
const unsigned char g_pLangDescriptor[] =
{
4,
USB_DTYPE_STRING,
USBShort(USB_LANG_EN_US)
};
//*****************************************************************************
//
// The manufacturer string.
//
//*****************************************************************************
const unsigned char g_pManufacturerString[] =
{
(17 + 1) * 2,
USB_DTYPE_STRING,
'T', 0, 'e', 0, 'x', 0, 'a', 0, 's', 0, ' ', 0, 'I', 0, 'n', 0, 's', 0,
't', 0, 'r', 0, 'u', 0, 'm', 0, 'e', 0, 'n', 0, 't', 0, 's', 0,
};
//*****************************************************************************
//
// The product string.
//
//*****************************************************************************
const unsigned char g_pProductString[] =
{
2 + (16 * 2),
USB_DTYPE_STRING,
'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0, 'a', 0, 'l', 0, ' ', 0,
'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0, 'o', 0, 'r', 0, 't', 0
};
//*****************************************************************************
//
// The serial number string.
//
//*****************************************************************************
const unsigned char g_pSerialNumberString[] =
{
2 + (8 * 2),
USB_DTYPE_STRING,
'1', 0, '2', 0, '3', 0, '4', 0, '5', 0, '6', 0, '7', 0, '8', 0
};
//*****************************************************************************
//
// The control interface description string.
//
//*****************************************************************************
const unsigned char g_pControlInterfaceString[] =
{
2 + (21 * 2),
USB_DTYPE_STRING,
'A', 0, 'C', 0, 'M', 0, ' ', 0, 'C', 0, 'o', 0, 'n', 0, 't', 0,
'r', 0, 'o', 0, 'l', 0, ' ', 0, 'I', 0, 'n', 0, 't', 0, 'e', 0,
'r', 0, 'f', 0, 'a', 0, 'c', 0, 'e', 0
};
//*****************************************************************************
//
// The configuration description string.
//
//*****************************************************************************
const unsigned char g_pConfigString[] =
{
2 + (26 * 2),
USB_DTYPE_STRING,
'S', 0, 'e', 0, 'l', 0, 'f', 0, ' ', 0, 'P', 0, 'o', 0, 'w', 0,
'e', 0, 'r', 0, 'e', 0, 'd', 0, ' ', 0, 'C', 0, 'o', 0, 'n', 0,
'f', 0, 'i', 0, 'g', 0, 'u', 0, 'r', 0, 'a', 0, 't', 0, 'i', 0,
'o', 0, 'n', 0
};
//*****************************************************************************
//
// The descriptor string table.
//
//*****************************************************************************
const unsigned char * const g_pStringDescriptors[] =
{
g_pLangDescriptor,
g_pManufacturerString,
g_pProductString,
g_pSerialNumberString,
g_pControlInterfaceString,
g_pConfigString
};
#define NUM_STRING_DESCRIPTORS (sizeof(g_pStringDescriptors) / \
sizeof(unsigned char *))
//*****************************************************************************
//
// CDC device callback function prototypes.
//
//*****************************************************************************
unsigned long RxHandler(void *pvCBData, unsigned long ulEvent,
unsigned long ulMsgValue, void *pvMsgData);
unsigned long TxHandler(void *pvCBData, unsigned long ulEvent,
unsigned long ulMsgValue, void *pvMsgData);
unsigned long ControlHandler(void *pvCBData, unsigned long ulEvent,
unsigned long ulMsgValue, void *pvMsgData);
//*****************************************************************************
//
// The CDC device initialization and customization structures. In this case,
// we are using USBBuffers between the CDC device class driver and the
// application code. The function pointers and callback data values are set
// to insert a buffer in each of the data channels, transmit and receive.
//
// With the buffer in place, the CDC channel callback is set to the relevant
// channel function and the callback data is set to point to the channel
// instance data. The buffer, in turn, has its callback set to the application
// function and the callback data set to our CDC instance structure.
//
//*****************************************************************************
tCDCSerInstance g_sCDCInstance;
extern const tUSBBuffer g_sTxBuffer;
extern const tUSBBuffer g_sRxBuffer;
const tUSBDCDCDevice g_sCDCDevice =
{
USB_VID_STELLARIS,
USB_PID_SERIAL,
0,
USB_CONF_ATTR_SELF_PWR,
ControlHandler,
(void *)&g_sCDCDevice,
USBBufferEventCallback,
(void *)&g_sRxBuffer,
USBBufferEventCallback,
(void *)&g_sTxBuffer,
g_pStringDescriptors,
NUM_STRING_DESCRIPTORS,
&g_sCDCInstance
};
//*****************************************************************************
//
// Receive buffer (from the USB perspective).
//
//*****************************************************************************
unsigned char g_pcUSBRxBuffer[UART_BUFFER_SIZE];
unsigned char g_pucRxBufferWorkspace[USB_BUFFER_WORKSPACE_SIZE];
const tUSBBuffer g_sRxBuffer =
{
false, // This is a receive buffer.
RxHandler, // pfnCallback
(void *)&g_sCDCDevice, // Callback data is our device pointer.
USBDCDCPacketRead, // pfnTransfer
USBDCDCRxPacketAvailable, // pfnAvailable
(void *)&g_sCDCDevice, // pvHandle
g_pcUSBRxBuffer, // pcBuffer
UART_BUFFER_SIZE, // ulBufferSize
g_pucRxBufferWorkspace // pvWorkspace
};
//*****************************************************************************
//
// Transmit buffer (from the USB perspective).
//
//*****************************************************************************
unsigned char g_pcUSBTxBuffer[UART_BUFFER_SIZE];
unsigned char g_pucTxBufferWorkspace[USB_BUFFER_WORKSPACE_SIZE];
const tUSBBuffer g_sTxBuffer =
{
true, // This is a transmit buffer.
TxHandler, // pfnCallback
(void *)&g_sCDCDevice, // Callback data is our device pointer.
USBDCDCPacketWrite, // pfnTransfer
USBDCDCTxPacketAvailable, // pfnAvailable
(void *)&g_sCDCDevice, // pvHandle
g_pcUSBTxBuffer, // pcBuffer
UART_BUFFER_SIZE, // ulBufferSize
g_pucTxBufferWorkspace // pvWorkspace
};
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