adc_drv.h

来自「TDA7540 收音机程序」· C头文件 代码 · 共 31 行

/***************************************************************************
Project  :   TDA7540 Jig board 
Compiler : ST7 HiCross C (HiWARE)
Module   :  Adc_drv.h
Version  :  V 1.0
Created  :  Jan.24th,2005 
Author   :  Jerry HE / ST-ShenZhen
Description
         -  Analog converter head file
Modified
	  -    
***************************************************************************/

extern void Read_ADKey(void);
extern void Init_AD(void);
extern unsigned char ADC_GetValue (unsigned char adc_channel);

/*The Analog coverter channel no.*/
#define SMETER       2
#define AD_Key1     3
#define AD_Key2     4
/*The Analog coverter Start value*/
#define ADC_START    0x20
EXTR unsigned char ADStatus;
EXTR unsigned char ADKey[2];
EXTR unsigned char ADKeyDelay;



/*** (c) 2005  ST Microelectronics ****************** END OF FILE ***/