From e018ceebed74b8223482bc9d1ed0b31c938381da Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Mon, 29 Oct 2012 23:04:19 +0200 Subject: New example files --- .../usb_dev_serial/usb_serial_structs.c | 216 +++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c (limited to 'boards/ek-lm4f120xl/usb_dev_serial/usb_serial_structs.c') 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 +}; -- cgit v1.3.1