Added usblib

1 files changed, 223 insertions, 0 deletions

diff --git a/usblib/device/usbdevicepriv.h b/usblib/device/usbdevicepriv.h
new file mode 100644
index 0000000..341fb1b
--- /dev/null
+++ b/usblib/device/usbdevicepriv.h
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+//*****************************************************************************

+//

+// usbdevicepriv.h - Private header file used to share internal variables and

+//                   function prototypes between the various device-related

+//                   modules in the USB library.  This header MUST NOT be

+//                   used by application code.

+//

+// Copyright (c) 2008-2012 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 Stellaris USB Library.

+//

+//*****************************************************************************

+

+#ifndef __USBDEVICEPRIV_H__

+#define __USBDEVICEPRIV_H__

+

+//*****************************************************************************

+//

+// If building with a C++ compiler, make all of the definitions in this header

+// have a C binding.

+//

+//*****************************************************************************

+#ifdef __cplusplus

+extern "C"

+{

+#endif

+

+//*****************************************************************************

+//

+// The states for endpoint zero during enumeration.

+//

+//*****************************************************************************

+typedef enum

+{

+    //

+    // The USB device is waiting on a request from the host controller on

+    // endpoint zero.

+    //

+    USB_STATE_IDLE,

+

+    //

+    // The USB device is sending data back to the host due to an IN request.

+    //

+    USB_STATE_TX,

+

+    //

+    // The USB device is sending the configuration descriptor back to the host

+    // due to an IN request.

+    //

+    USB_STATE_TX_CONFIG,

+

+    //

+    // The USB device is receiving data from the host due to an OUT

+    // request from the host.

+    //

+    USB_STATE_RX,

+

+    //

+    // The USB device has completed the IN or OUT request and is now waiting

+    // for the host to acknowledge the end of the IN/OUT transaction.  This

+    // is the status phase for a USB control transaction.

+    //

+    USB_STATE_STATUS,

+

+    //

+    // This endpoint has signaled a stall condition and is waiting for the

+    // stall to be acknowledged by the host controller.

+    //

+    USB_STATE_STALL

+}

+tEP0State;

+

+typedef struct tDeviceInfo tDeviceInfo;

+typedef struct tDeviceInstance tDeviceInstance;

+

+//*****************************************************************************

+//

+// The USB controller device information.

+//

+//*****************************************************************************

+struct tDeviceInstance

+{

+    //

+    // The device information for the USB device.

+    //

+    tDeviceInfo *psInfo;

+

+    //

+    // The instance data for the USB device.

+    //

+    void *pvInstance;

+

+    //

+    // The current state of endpoint zero.

+    //

+    volatile tEP0State eEP0State;

+

+    //

+    // The devices current address, this also has a change pending bit in the

+    // MSB of this value specified by DEV_ADDR_PENDING.

+    //

+    volatile unsigned long ulDevAddress;

+

+    //

+    // This holds the current active configuration for this device.

+    //

+    unsigned long ulConfiguration;

+

+    //

+    // This holds the configuration id that will take effect after a reset.

+    //

+    unsigned long ulDefaultConfiguration;

+

+    //

+    // This holds the current alternate interface for this device.

+    //

+    unsigned char pucAltSetting[USB_MAX_INTERFACES_PER_DEVICE];

+

+    //

+    // This is the pointer to the current data being sent out or received

+    // on endpoint zero.

+    //

+    unsigned char *pEP0Data;

+

+    //

+    // This is the number of bytes that remain to be sent from or received

+    // into the g_sUSBDeviceState.pEP0Data data buffer.

+    //

+    volatile unsigned long ulEP0DataRemain;

+

+    //

+    // The amount of data being sent/received due to a custom request.

+    //

+    unsigned long ulOUTDataSize;

+

+    //

+    // Holds the current device status.

+    //

+    unsigned char ucStatus;

+

+    //

+    // Holds the endpoint status for the HALT condition.  This array is sized

+    // to hold halt status for all IN and OUT endpoints.

+    //

+    unsigned char ucHalt[2][USBLIB_NUM_EP - 1];

+

+    //

+    // Holds the configuration descriptor section number currently being sent

+    // to the host.

+    //

+    unsigned char ucConfigSection;

+

+    //

+    // Holds the offset within the configuration descriptor section currently

+    // being sent to the host.

+    //

+    unsigned char ucSectionOffset;

+

+    //

+    // Holds the index of the configuration that we are currently sending back

+    // to the host.

+    //

+    unsigned char ucConfigIndex;

+

+    //

+    // This flag is set to true if the client has called USBDPowerStatusSet

+    // and tells the USB library not to try to determine the current power

+    // status from the configuration descriptor.

+    //

+    tBoolean bPwrSrcSet;

+

+    //

+    // This flag indicates whether or not remote wake up signaling is in

+    // progress.

+    //

+    tBoolean bRemoteWakeup;

+

+    //

+    // During remote wake up signaling, this counter is used to track the

+    // number of milliseconds since the signaling was initiated.

+    //

+    unsigned char ucRemoteWakeupCount;

+};

+

+extern tDeviceInstance g_psUSBDevice[];

+

+//*****************************************************************************

+//

+// Device enumeration functions provided by device/usbenum.c and called from

+// the interrupt handler in device/usbhandler.c

+//

+//*****************************************************************************

+extern tBoolean USBDeviceConfig(tDeviceInstance *psDevInst,

+                                const tConfigHeader *psConfig);

+extern tBoolean USBDeviceConfigAlternate(tDeviceInstance *psDevInst,

+                                         const tConfigHeader *psConfig,

+                                         unsigned char ucInterfaceNum,

+                                         unsigned char ucAlternateSetting);

+

+//*****************************************************************************

+//

+// Mark the end of the C bindings section for C++ compilers.

+//

+//*****************************************************************************

+#ifdef __cplusplus

+}

+#endif

+

+#endif // __USBDEVICEPRIV_H__