sht.h

温湿度传感器SHT的AVR ICC源代码

#define SHT_DATA_PIN	2
#define SHT_SCL_PIN		1

#define Setb_SHT_DATA	PORTA |= BIT(SHT_DATA_PIN)
#define Clr_SHT_DATA	PORTA &= ~BIT(SHT_DATA_PIN)

#define Setb_SHT_SCL	PORTA |= BIT(SHT_SCL_PIN)
#define Clr_SHT_SCL		PORTA &= ~BIT(SHT_SCL_PIN)

                            //adr  command  r/w
#define STATUS_REG_W  0x06   
#define STATUS_REG_R  0x07   
#define MEASURE_TEMP  0x03   
#define MEASURE_HUMI  0x05   
#define RESET         0x1e   
#define noACK 0
#define ACK   1

void s_transstart(void);
BYTE Read8BitsData(BYTE ack);
void Write8BitsData(uchar uData);
void SHT_init(void);
//void s_connectionreset(void); 
void GetTemperature(void);
void GetHumi(void);
void MeaRH(void);
void MeaTemperature(void);
void ReadSHTReg(void);
void Wait_Ok(void);
void WriteSHTReg(void);