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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [CORTEX_LPC1768_GCC_Rowley/] [LPCUSB/] [usbinit.c] - Blame information for rev 581

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Line No. Rev Author Line
1 581 jeremybenn
/*
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        LPCUSB, an USB device driver for LPC microcontrollers
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        Copyright (C) 2006 Bertrik Sikken (bertrik@sikken.nl)
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        Redistribution and use in source and binary forms, with or without
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        modification, are permitted provided that the following conditions are met:
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        1. Redistributions of source code must retain the above copyright
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           notice, this list of conditions and the following disclaimer.
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        2. Redistributions in binary form must reproduce the above copyright
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           notice, this list of conditions and the following disclaimer in the
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           documentation and/or other materials provided with the distribution.
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        3. The name of the author may not be used to endorse or promote products
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           derived from this software without specific prior written permission.
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        THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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        IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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        OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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        IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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        INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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        NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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        DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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        THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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        (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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        THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** @file
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        USB stack initialisation
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 */
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#include "usbdebug.h"
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#include "usbapi.h"
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/** data storage area for standard requests */
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static unsigned char    abStdReqData[8];
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/**
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        USB reset handler
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        @param [in] bDevStatus  Device status
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 */
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static void HandleUsbReset(unsigned char bDevStatus)
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{
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        if (bDevStatus & DEV_STATUS_RESET) {
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                DBG("\n!");
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        }
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}
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/**
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        Initialises the USB hardware and sets up the USB stack by
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        installing default callbacks.
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        @return TRUE if initialisation was successful
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 */
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BOOL USBInit(void)
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{
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        // init hardware
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        USBHwInit();
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        // register bus reset handler
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        USBHwRegisterDevIntHandler(HandleUsbReset);
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        // register control transfer handler on EP0
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        USBHwRegisterEPIntHandler(0x00, USBHandleControlTransfer);
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        USBHwRegisterEPIntHandler(0x80, USBHandleControlTransfer);
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        // setup control endpoints
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        USBHwEPConfig(0x00, MAX_PACKET_SIZE0);
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        USBHwEPConfig(0x80, MAX_PACKET_SIZE0);
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        // register standard request handler
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        USBRegisterRequestHandler(REQTYPE_TYPE_STANDARD, USBHandleStandardRequest, abStdReqData);
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        return TRUE;
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}
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