#ifndef __PT1000_H__
#define __PT1000_H__

/*
采样值转电压：0.000050354004 16bit 满篇3.3V
分压偏置 0.436170213  分压电阻为20k，8.2k  偏置电压为
电流值：0.0005 限流电阻1500
(V*0.000050354004/10 + 0.436170213)/0.0005
简化为：
=V*3.3/65536/10/0.0005 + 0.436170213/0.0005
=V*0.01007080078125+872.34
*/

#define ADCTORESISTANCE   0.01007080078125
#define BASERESISTANCE   872.34



float getTemp(float R);
float getPB7_Temp(float R);
float Get_Temp_NCP18XH103(float Rt);
float Get_Temp_K_Thermocouple(float Vt);
unsigned char crc8_check(unsigned char* data, unsigned char len);


#endif
