From 990090a4cc9070837d31e66b58d40f0c3d038741 Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Sun, 16 Mar 2014 14:41:11 +0200 Subject: Add usblib and utils --- usblib/host/usbhostpriv.h | 201 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 usblib/host/usbhostpriv.h (limited to 'usblib/host/usbhostpriv.h') diff --git a/usblib/host/usbhostpriv.h b/usblib/host/usbhostpriv.h new file mode 100644 index 0000000..1128749 --- /dev/null +++ b/usblib/host/usbhostpriv.h @@ -0,0 +1,201 @@ +//***************************************************************************** +// +// usbhostpriv.h - Internal header file for USB host functions. +// +// Copyright (c) 2011-2014 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 2.1.0.12573 of the Tiva USB Library. +// +//***************************************************************************** + +#ifndef __USBHOSTPRIV_H__ +#define __USBHOSTPRIV_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 a hub port can be in during device connection. +// +//***************************************************************************** +typedef enum +{ + // + // The port has no device connected. + // + ePortIdle, + + // + // The port has a device present and is waiting for the enumeration + // sequence to begin. + // + ePortConnected, + + // + // A device connection notification has been received and we have initiated + // a reset to the port. We are waiting for the reset to complete. + // + ePortResetActive, + + // + // The Port reset has completed but now the hub is waiting the required + // 10ms before accessing the device. + // + ePortResetWait, + + // + // A device is connected and the port has been reset. Control has been + // passed to the main host handling portion of USBLib to enumerate the + // device. + // + ePortActive, + + // + // A device has completed enumeration. + // + ePortEnumerated, + + // + // A device is attached to the port but enumeration failed. + // + ePortError +} +tHubPortState; + +//***************************************************************************** +// +// The list of valid event flags in the g_sUSBHCD.ui32EventEnables member +// variable. +// +//***************************************************************************** +#define USBHCD_EVFLAG_SOF 0x00000001 +#define USBHCD_EVFLAG_CONNECT 0x00000002 +#define USBHCD_EVFLAG_UNKCNCT 0x00000004 +#define USBHCD_EVFLAG_DISCNCT 0x00000008 +#define USBHCD_EVFLAG_PWRFAULT 0x00000010 +#define USBHCD_EVFLAG_PWRDIS 0x00000020 +#define USBHCD_EVFLAG_PWREN 0x00000040 + +//***************************************************************************** +// +// This is the structure that holds all of the information for devices +// that are enumerated in the system. It is passed in to Open function of +// USB host class drivers so that they can allocate any endpoints and parse +// out other information that the device class needs to complete enumeration. +// +//***************************************************************************** +struct tUSBHostDevice +{ + // + // The current device address for this device. + // + uint32_t ui32Address; + + // + // The current interface for this device. + // + uint32_t ui32Interface; + + // + // A flag used to record whether this is a low-speed or a full-speed + // device. + // + bool bLowSpeed; + + // + // The USB connection speed for this device. + // + uint32_t ui32Speed; + + // + // A flag indicating whether or not we have read the device's + // configuration descriptor yet. + // + bool bConfigRead; + + // + // The hub number to which this device is attached. + // + uint8_t ui8Hub; + + // + // The hub port number to which the device is attached. + // + uint8_t ui8HubPort; + + // + // The device descriptor for this device. + // + tDeviceDescriptor sDeviceDescriptor; + + // + // A pointer to the configuration descriptor for this device. + // + tConfigDescriptor *psConfigDescriptor; + + // + // The size of the buffer allocated to psConfigDescriptor. + // + uint32_t ui32ConfigDescriptorSize; + + // + // Internal flags used by the host controller driver. + // + uint32_t ui32Flags; +}; + +//***************************************************************************** +// +// Functions within the host controller that are called by the hub class driver +// +//***************************************************************************** +extern uint32_t USBHCDHubDeviceConnected(uint32_t ui32Index, uint8_t ui8Hub, + uint8_t ui8Port, uint32_t ui32Speed); +extern void USBHCDHubDeviceDisconnected(uint32_t ui32Index, + uint32_t ui32DevIndex); + +//***************************************************************************** +// +// Functions in the hub class driver that are called by the host controller. +// +//***************************************************************************** +extern void USBHHubMain(void); +extern void USBHHubInit(void); +extern void USBHHubEnumerationComplete(uint8_t ui8Hub, uint8_t ui8Port); +extern void USBHHubEnumerationError(uint8_t ui8Hub, uint8_t ui8Port); +extern uint32_t USBHCDLPMSleep(tUSBHostDevice *psDevice); +extern uint32_t USBHCDLPMStatus(tUSBHostDevice *psDevice); + +//***************************************************************************** +// +// Mark the end of the C bindings section for C++ compilers. +// +//***************************************************************************** +#ifdef __cplusplus +} +#endif + +#endif // __USBHOSTPRIV_H__ -- cgit v1.3.1