osc.h

来自「80c51F020的开发程序 包括ADC DDS DAC」· C头文件 代码 · 共 57 行

/* ------------------------------------------------------------
	File Name: 		osc.h
	Auther:			Samuel
	Revision:		R1
	History:		R1			Jul.05, 2007		Creation
------------------------------------------------------------ */


/* define to prevent recursive inclusion */
#ifndef __OSC_H
#define __OSC_H


/* includes --------------------------------------------------------------- */
#include <c8051f020.h>

/* types ------------------------------------------------------------------ */
typedef enum
{
	INTERNAL_OSC,
	EXTERNAL_OSC
}
Osc_Source_Select_t;

typedef enum
{
	DISABLE,
	COMS_CLK,
	COMS_CLK_DIV2,
	RC_OR_C_DIV2,
	CRYSTAL,
	CRYSTAL_DIV2	
}
Osc_External_Mode_t;


typedef struct
{
	Osc_Source_Select_t		Source_Select; 
	Osc_External_Mode_t		External_Mode;
	unsigned long			Frequency;
}
Osc_Init_Parameter_t;


/* functions -------------------------------------------------------------- */
void Osc_Init(Osc_Init_Parameter_t);

/* ---------- top level core functions ---------- */


/* ---------- support functions ---------- */

#endif	/* __OSC_H */

/* End of osc.h */