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main.cpp
- Committer:
- loopsva
- Date:
- 2017-04-12
- Revision:
- 1:ccb26174e7da
- Parent:
- 0:4d7ee19a6aef
File content as of revision 1:ccb26174e7da:
#include "mbed.h"
#include "ntc.h"
#define NTC_VREF 3.3f
#define NTC_AD_RESOL 65536.0f
// Connections:
// 3.3V (or other Vref)
// --+--
// |
// -+-
// | |
// | |
// | | Series
// | | Resistor
// | |
// -+-
// |
// +---> To A:D
// |
// -+-
// | |
// | |
// | | NTC
// | |
// | |
// -+-
// |
// --+--
// --- Ground
// -
const NTC_TypeDef ntc_my_paramtr = {
// Vref
NTC_VREF, // Vref
NTC_AD_RESOL, // A:D 16-bit resolution
// muRata NCP15XH103J03RC
10000, // NTC resistance
5, // NTC initial tolerance
0, // NTC B0/50 (none)
3380, // NTC B25/50
3428, // NTC B25/80
3434, // NTC B25/85
3355, // NTC B25/100
0, // NTC other beta (none)
1, // NTC beta tolerance
// 3.32k 1% 100ppm
3320, // Series resistor value
1, // Series resistor tolerance
100 // Series Resistor tempco ppm
};
NTC ntc(A1, &ntc_my_paramtr); //initialize NTC temperature A:D
main() {
printf("\r\n\r\n-------------------------------------------\r\n");
printf("NTC Res: %5d B0/50: %4d B25/50: %4d B25/80: %4d B25/85: %4d B25/100: %4d B_OTHER: %4d SeriesR: %d\r\n",
ntc.get_ntc_res(), ntc.get_ntc_beta(NTC::B0_50 ), ntc.get_ntc_beta(NTC::B25_50 ), ntc.get_ntc_beta(NTC::B25_80 ), ntc.get_ntc_beta(NTC::B25_85 ),
ntc.get_ntc_beta(NTC::B25_100 ), ntc.get_ntc_beta(NTC::B_OTHER ), ntc.get_series_res());
uint16_t ad = ntc.read_ad_reg();
printf("NTC A:D Val: %5d Volt A:D: %.6f NTC-R_now: %7.1f Temp: %+.2f\r\n", ad,
NTC_VREF / NTC_AD_RESOL * (float)ad, ntc.get_ntc_res_viaAD(ad), ntc.get_ntc_temp(NTC::B25_85 , ad));
while(1) {
printf("Temp: %+.2f\r\n", ntc.get_ntc_temp(NTC::B25_85 ));
wait(2.0);
}
}