83 lines
3.1 KiB
C
83 lines
3.1 KiB
C
/****************************************************************************************
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| Description: bootloader USB device power management header file
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| File Name: usb_pwr.h
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| Notes: based on an example from STMicroelectronics
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|----------------------------------------------------------------------------------------
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| C O P Y R I G H T
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|----------------------------------------------------------------------------------------
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| Copyright (c) 2011 by Feaser http://www.feaser.com All rights reserved
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|----------------------------------------------------------------------------------------
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| L I C E N S E
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| This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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| modify it under the terms of the GNU General Public License as published by the Free
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| Software Foundation, either version 3 of the License, or (at your option) any later
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| version.
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| OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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| without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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| PURPOSE. See the GNU General Public License for more details.
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| You should have received a copy of the GNU General Public License along with OpenBLT.
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| If not, see <http://www.gnu.org/licenses/>.
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| A special exception to the GPL is included to allow you to distribute a combined work
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| that includes OpenBLT without being obliged to provide the source code for any
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| proprietary components. The exception text is included at the bottom of the license
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| file <license.html>.
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****************************************************************************************/
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#ifndef USB_PWR_H
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#define USB_PWR_H
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/****************************************************************************************
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* Type definitions
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****************************************************************************************/
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typedef enum _RESUME_STATE
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{
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RESUME_EXTERNAL,
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RESUME_INTERNAL,
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RESUME_LATER,
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RESUME_WAIT,
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RESUME_START,
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RESUME_ON,
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RESUME_OFF,
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RESUME_ESOF
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} RESUME_STATE;
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typedef enum _DEVICE_STATE
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{
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UNCONNECTED,
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ATTACHED,
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POWERED,
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SUSPENDED,
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ADDRESSED,
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CONFIGURED
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} DEVICE_STATE;
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/****************************************************************************************
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* Function prototypes
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****************************************************************************************/
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void Suspend(void);
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void Resume_Init(void);
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void Resume(RESUME_STATE eResumeSetVal);
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RESULT PowerOn(void);
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RESULT PowerOff(void);
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/****************************************************************************************
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* External data declarations
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****************************************************************************************/
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/* USB device status */
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extern volatile uint32_t bDeviceState;
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/* true when suspend is possible */
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extern volatile bool fSuspendEnabled;
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#endif /* USB_PWR_H*/
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/*********************************** end of usb_pwr.h **********************************/
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