osc.h

SmartARM2200开发平台光盘资料中的所有的源码和测试程序以及应用程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			osc.h
** Last modified Date:  2005-07-31
** Last Version:		1.0
** Descriptions:		Include Font and Oscilloscope Funtion
**
**------------------------------------------------------------------------------------------------------
** Created by:			Ganda
** Created date:		2005-07-31
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/

#define PI              3.1415
#define CYCLE_DATA      12000
#define DUTY_CYCLE_DATA  2000
#define KEY             1<<20

extern uint8   CH1[1024*4];
extern uint8   CH2[1024*4];
extern uint32  CH1Avg, CH2Avg;                 // 平均值
extern uint32  CH1Max, CH1Min, CH1Vpp;         // 最大值、最小值、平均值
extern uint32  CH2Max, CH2Min, CH2Vpp;          
extern uint32  CH1Prd, CH2Prd, CH1Fre, CH2Fre; // 周期、频率
extern uint32  CH1Tpt1, CH1Tpt2;               // 触发点对应的采样序号 
extern uint32  CH2Tpt1, CH2Tpt2;               // 触发点对应的采样序号
extern uint32  CH1TptVal, CH2TptVal;           // 触发值 

extern void OSC_Initail(void);

/* 触发点锁定 */
extern uint8 OSC_LockTrigerPoint(void);

/* 寻找周期 */
extern uint8 OSC_FindPeriod(void);

/* 寻找最大值最小值 */
extern void OSC_CH1MaxMin(void);