51+HD7279+ADS1110+PT100的测温系统,通过与标准温度计对比拟合,精度能达到0.5度

write7279(SEGON,31);

delay1ms(2);

write7279(SEGON,30);

delay1ms(2);

write7279(SEGON,29);

delay1ms(2);

write7279(SEGON,28);

delay1ms(2);

write7279(SEGON,27);

delay1ms(2);

//delay10ms(1000);

//send_byte(CMD_RESET);

}

void Display_SET()

{

send_byte(CMD_RESET);

if (nMode == 1) // set nLowTMP

{

write7279(SEGON,1);

delay1ms(2);

write7279(SEGON,2);

delay1ms(2);

write7279(SEGON,3);

delay1ms(2);

write7279(DECODE0+4,nLowTMP/100%100);

delay1ms(2);

write7279(DECODE0+5,nLowTMP/10%10);

delay1ms(2);

write7279(SEGON,47);

delay1ms(2);

write7279(DECODE0+6,nLowTMP%10);

}

if (nMode == 2) // set nHightTMP

{

write7279(SEGON,0);

delay1ms(2);

write7279(SEGON,1);

delay1ms(2);

write7279(SEGON,2);

delay1ms(2);

write7279(SEGON,4);