userram.h

一个单片机实现DA转换程序,程序实现了一个温度控制的数摸转换,并添加了去抖动处理!!

extern unsigned char key_flag;
extern unsigned char disbuf[6];

extern unsigned char key_value;
extern unsigned char pre_key_value;
extern unsigned char temp_key_value;
extern unsigned char total_press_key;

extern unsigned int  wendu_lm77;

extern unsigned char rx_gain;
extern unsigned char tx_gain;
extern unsigned char gain_F;

extern unsigned char pingbicount;
extern unsigned char sofakey_count;
extern unsigned char sokey_count;
extern unsigned char fakey_count;

extern unsigned char OPD1;
extern unsigned char OPD2;
extern unsigned char VSWR1;
extern unsigned char VSWR2;

extern unsigned char write_error;

extern unsigned char DeviceCode_EEP;
extern unsigned int  addr; 
extern unsigned char read_error;