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firmware/usb_bulk_structs.c

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+//*****************************************************************************
+//
+// usb_bulk_structs.c - Data structures defining this bulk 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/usb-ids.h"
+#include "usblib/device/usbdevice.h"
+#include "usblib/device/usbdbulk.h"
+#include "usb_bulk_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[] =
+{
+    (12 + 1) * 2,
+    USB_DTYPE_STRING,
+    'G', 0, 'o', 0, 'l', 0, 'd', 0, ' ', 0, '&', 0, ' ', 0, 'A', 0, 'p', 0,
+    'p', 0, 'l', 0, 'e', 0
+};
+
+//*****************************************************************************
+//
+// The product string.
+//
+//*****************************************************************************
+const unsigned char g_pProductString[] =
+{
+    (10 + 1) * 2,
+    USB_DTYPE_STRING,
+    'M', 0, 'a', 0, 't', 0, 'e', 0, ' ', 0, 'L', 0, 'i', 0, 'g', 0, 'h', 0,
+    't', 0
+};
+
+//*****************************************************************************
+//
+// The serial number string.
+//
+//*****************************************************************************
+const unsigned char g_pSerialNumberString[] =
+{
+    (8 + 1) * 2,
+    USB_DTYPE_STRING,
+    '0', 0, '0', 0, '0', 0, '0', 0, '0', 0, '0', 0, '3', 0, '2', 0
+};
+
+//*****************************************************************************
+//
+// The data interface description string.
+//
+//*****************************************************************************
+const unsigned char g_pDataInterfaceString[] =
+{
+    (19 + 1) * 2,
+    USB_DTYPE_STRING,
+    'B', 0, 'u', 0, 'l', 0, 'k', 0, ' ', 0, 'D', 0, 'a', 0, 't', 0,
+    'a', 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[] =
+{
+    (23 + 1) * 2,
+    USB_DTYPE_STRING,
+    'B', 0, 'u', 0, 'l', 0, 'k', 0, ' ', 0, 'D', 0, 'a', 0, 't', 0,
+    'a', 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_pDataInterfaceString,
+    g_pConfigString
+};
+
+#define NUM_STRING_DESCRIPTORS (sizeof(g_pStringDescriptors) /                \
+                                sizeof(unsigned char *))
+
+//*****************************************************************************
+//
+// The bulk device initialization and customization structures. In this case,
+// we are using USBBuffers between the bulk 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 bulk 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 bulk instance structure.
+//
+//*****************************************************************************
+tBulkInstance g_sBulkInstance;
+
+extern const tUSBBuffer g_sRxBuffer;
+
+const tUSBDBulkDevice g_sBulkDevice =
+{
+    USB_VID_STELLARIS,
+    USB_PID_BULK,
+    500,
+    USB_CONF_ATTR_SELF_PWR,
+    USBBufferEventCallback,
+    (void *)&g_sRxBuffer,
+    USBBufferEventCallback,
+    (void *)0,
+    g_pStringDescriptors,
+    NUM_STRING_DESCRIPTORS,
+    &g_sBulkInstance
+};
+
+//*****************************************************************************
+//
+// Receive buffer (from the USB perspective).
+//
+//*****************************************************************************
+unsigned char g_pucUSBRxBuffer[BULK_BUFFER_SIZE];
+unsigned char g_pucRxBufferWorkspace[USB_BUFFER_WORKSPACE_SIZE];
+const tUSBBuffer g_sRxBuffer =
+{
+    false,                           // This is a receive buffer.
+    RxHandler,                       // pfnCallback
+    (void *)&g_sBulkDevice,          // Callback data is our device pointer.
+    USBDBulkPacketRead,              // pfnTransfer
+    USBDBulkRxPacketAvailable,       // pfnAvailable
+    (void *)&g_sBulkDevice,          // pvHandle
+    g_pucUSBRxBuffer,                // pcBuffer
+    BULK_BUFFER_SIZE,                // ulBufferSize
+    g_pucRxBufferWorkspace           // pvWorkspace
+};