76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : usb_pwr.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/08/08
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* Description : Connection/disconnection & power management header
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __USB_PWR_H
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#define __USB_PWR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32v20x.h"
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#include "usb_lib.h"
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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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extern __IO uint32_t bDeviceState; /* USB device status */
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extern __IO uint8_t fSuspendEnabled; /* true when suspend is possible */
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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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#ifdef __cplusplus
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}
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#endif
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#endif /*__USB_PWR_H*/
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