refvolt.h

来自「无线通信的主要编程软件,是无线通信工作人员的必备工具,关天相关教程我会在后续传上」· C头文件 代码 · 共 26 行

//$Id: RefVolt.h,v 1.4 2005/06/14 09:29:24 cssharp Exp $

#ifndef MSP430REFVOLT_H
#define MSP430REFVOLT_H

// time for generator to become stable
#define STABILIZE_INTERVAL 17

// delay before switching off reference voltage generator after it has been released (in ms)
// this avoids having to wait the 17ms in case the RefVolt is needed again right after it
// has been released.
#define SWITCHOFF_INTERVAL 100

// time to wait until we try again to reset REFON (in ms) when ADC is busy and we cant
// switch it off immediately
#define SWITCHOFF_RETRY 5

typedef enum
{
  REFERENCE_1_5V,     // vref  1.5 V
  REFERENCE_2_5V,     // vref  2.5 V
  REFERENCE_UNSTABLE  // vref unstable or generator off
} RefVolt_t;

#endif