usb_pwr.h

来自「意法半導體STR710,USB範例程式,模擬U盤」· C头文件 代码 · 共 40 行

/*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
PROJECT  : ARM7 USB: MOUSE Tutorial
MODULE  :  USB_pwr.h
AUTHOR :  MCD Application Team
CREATION DATE : 21/04/2004
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
DESCRIPTION:
-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/

typedef enum _RESUME_STATE{
	RESUME_EXTERNAL,
	RESUME_INTERNAL,
	RESUME_LATER,
	RESUME_WAIT,
	RESUME_START,
	RESUME_ON,
	RESUME_OFF,
	RESUME_ESOF
} RESUME_STATE;

typedef enum _DEVICE_STATE{
	UNCONNECTED,
	ATTACHED,
	POWERED,
	DEFAULT,
	ADDRESSED,
	CONFIGURED
}DEVICE_STATE;

extern volatile BYTE bDeviceState; /* USB device status */
extern DWORD dwLedVal; /* alpha-display value */
extern volatile BOOL fSuspendEnabled;  /* true when suspend is possible */

/* function protypes */
void Suspend(void);
void Resume_Init(void);
void Resume(RESUME_STATE eResumeSetVal);
void WriteAlphaDisp(DWORD dwLedVal);
void DisplayDevState(void);