userfun.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 void system_init(void);
extern void user_init(void);
extern void delay (unsigned int n);
extern void disbcd(unsigned char *sendnum);
extern void key_scan(void);

extern unsigned int  ReadLM77(void);

extern void Display_RX_Gain(void);
extern void Display_TX_Gain(void);

extern void Write_PCF8575(void);

extern void CheckWendu(void);
extern void GainChannel(void);
extern void AddGain(void);
extern void DecGain(void);
extern void ChannelCheck(void);
extern void ShouFa(void);
extern void Shou(void);
extern void Fa(void);
extern void CheckOPD(void);
extern void CheckVSWR(void);
//extern void Check28vCurrent(void);
//extern void Check5vCurrent(void);

extern void ADCON(unsigned char channel);

extern void I2cPageWrite(void);  //tttt
extern void clr_ram(void);
extern void I2cPageRead(void);
extern void check_ram(void);