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Add simple USB CDC task.

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Richard Barry 2009-08-07 15:30:18 +00:00
parent a83d9d93e8
commit df338c84c3
15 changed files with 2756 additions and 49 deletions
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82
Demo/CORTEX_LPC1768_GCC_Rowley/LPCUSB/usbinit.c Normal file
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/*
LPCUSB, an USB device driver for LPC microcontrollers
Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @file
USB stack initialisation
*/
#include "usbdebug.h"
#include "usbapi.h"
/** data storage area for standard requests */
static unsigned char abStdReqData[8];
/**
USB reset handler
@param [in] bDevStatus Device status
*/
static void HandleUsbReset(unsigned char bDevStatus)
{
if (bDevStatus & DEV_STATUS_RESET) {
DBG("\n!");
}
}
/**
Initialises the USB hardware and sets up the USB stack by
installing default callbacks.
@return TRUE if initialisation was successful
*/
BOOL USBInit(void)
{
// init hardware
USBHwInit();
// register bus reset handler
USBHwRegisterDevIntHandler(HandleUsbReset);
// register control transfer handler on EP0
USBHwRegisterEPIntHandler(0x00, USBHandleControlTransfer);
USBHwRegisterEPIntHandler(0x80, USBHandleControlTransfer);
// setup control endpoints
USBHwEPConfig(0x00, MAX_PACKET_SIZE0);
USBHwEPConfig(0x80, MAX_PACKET_SIZE0);
// register standard request handler
USBRegisterRequestHandler(REQTYPE_TYPE_STANDARD, USBHandleStandardRequest, abStdReqData);
return TRUE;
}