diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-07-31 22:36:10 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-07-31 22:36:10 +0200 |
| commit | db0ddc6ee6c5e9d3dec919465dcb1c068123922d (patch) | |
| tree | 7aedd43863b0bf548c2a73c7f7427c99cc81f56e /at91lib/usb/device/multiconf/MULTIDriver.c | |
| parent | 29745a4febe20b8e0f229e248197bb1faeec4d0c (diff) | |
This is in anticipation of the future SIMtrace firmware,
where we will have a single device with three configurations.
Diffstat (limited to 'at91lib/usb/device/multiconf/MULTIDriver.c')
| -rw-r--r-- | at91lib/usb/device/multiconf/MULTIDriver.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/at91lib/usb/device/multiconf/MULTIDriver.c b/at91lib/usb/device/multiconf/MULTIDriver.c new file mode 100644 index 0000000..01a023e --- /dev/null +++ b/at91lib/usb/device/multiconf/MULTIDriver.c @@ -0,0 +1,180 @@ +/* ----------------------------------------------------------------------------
+ * 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 <utility/trace.h>
+#include <utility/assert.h>
+#include <utility/led.h>
+
+// USB
+#include <usb/device/core/USBD.h>
+#include <usb/device/core/USBDDriver.h>
+
+//- MULTI
+#include "MULTIDriver.h"
+#include "MULTIDriverDescriptors.h"
+
+//-----------------------------------------------------------------------------
+// Defines
+//-----------------------------------------------------------------------------
+
+/// Interface setting spaces (4 byte aligned)
+#define NUM_INTERFACES ((2+3)&0xFC)
+
+//-----------------------------------------------------------------------------
+// Types
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Internal variables
+//-----------------------------------------------------------------------------
+
+/// USBDDriver instance
+static USBDDriver usbdDriver;
+
+/// Array for storing the current setting of each interface
+static unsigned char multiDriverInterfaces[NUM_INTERFACES];
+
+//-----------------------------------------------------------------------------
+// Internal functions
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+// Optional RequestReceived() callback re-implementation
+//-----------------------------------------------------------------------------
+#if !defined(NOAUTOCALLBACK)
+void USBDCallbacks_RequestReceived(const USBGenericRequest *request)
+{
+ MULTIDriver_RequestHandler(request);
+}
+#endif
+
+//-----------------------------------------------------------------------------
+/// Invoked whenever the active setting of an interface is changed by the
+/// host. Changes the status of the third LED accordingly.
+/// \param interface Interface number.
+/// \param setting Newly active setting.
+//-----------------------------------------------------------------------------
+void USBDDriverCallbacks_InterfaceSettingChanged(unsigned char interface,
+ unsigned char setting)
+{
+ TRACE_DEBUG("Callback_IntfChg(%u, %u)\n\r", interface, setting);
+}
+
+//-----------------------------------------------------------------------------
+// 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)
+{
+ TRACE_DEBUG("Callback_ConfigChg(%u)\n\r", cfgnum);
+}
+
+//-----------------------------------------------------------------------------
+// Exported functions
+//-----------------------------------------------------------------------------
+
+//-----------------------------------------------------------------------------
+/// Initializes the USB device composite device driver.
+//-----------------------------------------------------------------------------
+void MULTIDriver_Initialize(void)
+{
+
+ CDCDFunctionDriver_Initialize();
+
+ /* CCID nees no initialization */
+
+ // Initialize the standard USB driver
+ USBDDriver_Initialize(&usbdDriver,
+ &multiDriverDescriptors,
+ multiDriverInterfaces);
+
+ // Initialize the USB driver
+ USBD_Init();
+}
+
+//-----------------------------------------------------------------------------
+/// Handles composite-specific USB requests sent by the host, and forwards
+/// standard ones to the USB device driver.
+/// \param request Pointer to a USBGenericRequest instance.
+//-----------------------------------------------------------------------------
+void MULTIDriver_RequestHandler(const USBGenericRequest *request)
+{
+ // Check if this is a class request
+ if (USBGenericRequest_GetType(request) == USBGenericRequest_CLASS) {
+
+ unsigned char rc = 0;
+
+ //rc = CCID_RequestHandler(request);
+ if (!rc) {
+ TRACE_WARNING(
+ "MULTIDriver_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;
+
+ // Forward request to the standard handler
+ if (rc == 0)
+ USBDDriver_RequestHandler(&(usbdDriver), request);
+ }
+ // Unsupported request type
+ else {
+ TRACE_WARNING(
+ "MULTIDriver_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 MULTIDriver_RemoteWakeUp(void)
+{
+ // Remote wake-up has been enabled
+ if (USBDDriver_IsRemoteWakeUpEnabled(&usbdDriver))
+ USBD_RemoteWakeUp();
+ else
+ TRACE_WARNING("MULTIriver_RemoteWakeUp: not enabled\n\r");
+}
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