diff options
Diffstat (limited to 'boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c')
| -rw-r--r-- | boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c b/boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c new file mode 100644 index 0000000..b5ea11b --- /dev/null +++ b/boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c @@ -0,0 +1,216 @@ +//*****************************************************************************
+//
+// 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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