/********************************************************************/
/*  7188EX/7188XB/7186EX + X202 head file                           */
/*                                                                  */
/*  [07, Oct, 2005] by Liam                                         */
/*  [23, Mar, 2007] by Liam                                         */
/*  [04, Oct, 2007] by Liam Version 2.00                            */
/********************************************************************/
/********************************************************************/
/*  X202: 7 A/D channels (0~20mA)                                   */
/*                                                                  */
/********************************************************************/
/********************************************************************/
/*	[Caution]                                                       */
/*	The EEPROM block 7 on X board is used to store A/D calibration  */
/*	settings. When you use the EEPROM on X board, do not overwrite  */
/*  it.                                                             */
/********************************************************************/

#ifndef __X202_H
#define __X202_H

#ifdef __cplusplus
extern "C" {
#endif

#define Read_AD_CalibrationGain     X202_Read_AD_CalibrationGain
#define Read_AD_CalibrationOffset   X202_Read_AD_CalibrationOffset
#define fAD_Gain    X202_fAD_Gain
#define fAD_Offset  X202_fAD_Offset

int X202_Init(void);
/*  Return value: 0   ==> success
    Return value: <>0 ==> error
    Bit0: 1 ==> (Ch0)Reads A/D Gain falure
    Bit1: 1 ==> (Ch0)Reads A/D Offset falure    */

unsigned X202_GetLibVersion(void);
/*  Current version is 2.00 (return 0x0200) */

float X202_Read_AD_CalibrationGain(void);
/*  Return 10.0 when no setting in EEPROM   */

float X202_Read_AD_CalibrationOffset(void);
/*  Return 10.0 when no setting in EEPROM   */

float X202_AnalogIn(int iChannel);
/*  Return data = 0.0 ~ 20.0    */

extern float  X202_fAD_Gain, X202_fAD_Offset;

#ifdef __cplusplus
}
#endif

#endif