From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- usb/device/composite/CDCMSDDDriver.c | 213 +++++++++++++++++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 usb/device/composite/CDCMSDDDriver.c (limited to 'usb/device/composite/CDCMSDDDriver.c') diff --git a/usb/device/composite/CDCMSDDDriver.c b/usb/device/composite/CDCMSDDDriver.c new file mode 100644 index 0000000..9a605a7 --- /dev/null +++ b/usb/device/composite/CDCMSDDDriver.c @@ -0,0 +1,213 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, Atmel Corporation + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the disclaimer below. + * + * Atmel's name may not be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE + * DISCLAIMED. IN NO EVENT SHALL ATMEL 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. + * ---------------------------------------------------------------------------- + */ + +//----------------------------------------------------------------------------- +// Headers +//----------------------------------------------------------------------------- + +// GENERAL +#include +#include +#include + +// USB +#include +#include + +//- CDCMSD +#include "CDCMSDDDriver.h" +#include "CDCMSDDDriverDescriptors.h" + +//----------------------------------------------------------------------------- +// Defines +//----------------------------------------------------------------------------- + +/// Interface setting spaces (4 byte aligned) +#define NUM_INTERFACES ((CDCMSDDDriverDescriptors_NUMINTERFACE+3)&0xFC) + +//----------------------------------------------------------------------------- +// Types +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +// Internal variables +//----------------------------------------------------------------------------- + +/// USBDDriver instance +static USBDDriver usbdDriver; + +/// CDCDSeriaoPort instance +static CDCDSerialPort cdcdPort; + +/// Array for storing the current setting of each interface +static unsigned char cdcmsddDriverInterfaces[NUM_INTERFACES]; + +//----------------------------------------------------------------------------- +// Internal functions +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +// Optional RequestReceived() callback re-implementation +//----------------------------------------------------------------------------- +#if !defined(NOAUTOCALLBACK) + +void USBDCallbacks_RequestReceived(const USBGenericRequest *request) +{ + CDCMSDDDriver_RequestHandler(request); +} + +#endif + +//----------------------------------------------------------------------------- +// ConfigurationChanged() callback re-implementation +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +/// Invoked whenever the configuration value of a device is changed by the host +/// \param cfgnum Configuration number. +//----------------------------------------------------------------------------- +void USBDDriverCallbacks_ConfigurationChanged(unsigned char cfgnum) +{ + // MSD + MSDDFunctionCallbacks_ConfigurationChanged(cfgnum); +} + +//----------------------------------------------------------------------------- +// Exported functions +//----------------------------------------------------------------------------- + +//----------------------------------------------------------------------------- +/// Initializes the USB device CDCMSD device driver. +//----------------------------------------------------------------------------- +void CDCMSDDDriver_Initialize(MSDLun *pLuns, unsigned char numLuns) +{ + // CDC + CDCDFunctionDriver_ConfigurePort(&cdcdPort, + CDCD_Descriptors_INTERFACENUM0, + CDCD_Descriptors_NOTIFICATION0, + CDCD_Descriptors_DATAIN0, + CDCD_Descriptors_DATAOUT0); + CDCDFunctionDriver_Initialize(&usbdDriver, + &cdcdPort, + 1); + + // MSD + MSDDFunctionDriver_Initialize(&usbdDriver, + pLuns, numLuns, + MSDD_Descriptors_INTERFACENUM, + MSDD_Descriptors_BULKIN, + MSDD_Descriptors_BULKOUT); + + // Initialize the standard USB driver + USBDDriver_Initialize(&usbdDriver, + &cdcmsddDriverDescriptors, + cdcmsddDriverInterfaces); + + // Initialize the USB driver + USBD_Init(); +} + +//----------------------------------------------------------------------------- +/// Handles CDCMSD-specific USB requests sent by the host, and forwards +/// standard ones to the USB device driver. +/// \param request Pointer to a USBGenericRequest instance. +//----------------------------------------------------------------------------- +void CDCMSDDDriver_RequestHandler(const USBGenericRequest *request) +{ + // Check if this is a class request + if (USBGenericRequest_GetType(request) == USBGenericRequest_CLASS) { + + unsigned char rc = 0; + + // CDC class request + if (rc == 0) { + + rc = CDCDFunctionDriver_RequestHandler(request); + } + + // MSD class request + if (rc == 0) { + + rc = MSDDFunctionDriver_RequestHandler(request); + } + + if (!rc) { + + TRACE_WARNING( + "CDCMSDDDriver_RequestHandler: Unsupported request (%d)\n\r", + USBGenericRequest_GetRequest(request)); + USBD_Stall(0); + } + + } + // Check if this is a standard request + else if (USBGenericRequest_GetType(request) == USBGenericRequest_STANDARD) { + + unsigned char rc = 0; + + if (rc == 0) { + + rc = MSDDFunctionDriver_RequestHandler(request); + } + + // Forward request to the standard handler + if (rc == 0) { + + USBDDriver_RequestHandler(&(usbdDriver), request); + } + } + // Unsupported request type + else { + + TRACE_WARNING( + "CDCMSDDDriver_RequestHandler: Unsupported request type (%d)\n\r", + USBGenericRequest_GetType(request)); + USBD_Stall(0); + } +} + +//----------------------------------------------------------------------------- +/// Starts a remote wake-up sequence if the host has explicitely enabled it +/// by sending the appropriate SET_FEATURE request. +//----------------------------------------------------------------------------- +void CDCMSDDDriver_RemoteWakeUp(void) +{ + // Remote wake-up has been enabled + if (USBDDriver_IsRemoteWakeUpEnabled(&usbdDriver)) { + + USBD_RemoteWakeUp(); + } + // Remote wake-up NOT enabled + else { + + TRACE_WARNING("CDCMSDDDriver_RemoteWakeUp: not enabled\n\r"); + } +} + + -- cgit v1.2.3