Kevin Braun
Simple program for temperature sensing using a NTC temperature sense resistor and internal mbed A:D converter
Revision 1:ccb26174e7da, committed 2017-04-12
- Comitter:
- loopsva
- Date:
- Wed Apr 12 17:01:17 2017 +0000
- Parent:
- 0:4d7ee19a6aef
- Commit message:
- updated code to reflect ntc library v6
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| ntc.lib | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Sat Apr 08 01:33:44 2017 +0000
+++ b/main.cpp Wed Apr 12 17:01:17 2017 +0000
@@ -1,70 +1,71 @@
-#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
- 3380, // NTC B25/50
- 3428, // NTC B25/80
- 3434, // NTC B25/85
- 3355, // NTC B25/100
- 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 B25/50: %4d B25/80: %4d B25/85: %4d B25/100: %4d SeriesR: %d\r\n",
- ntc.get_ntc_res(), ntc.get_ntc_beta_2550(), ntc.get_ntc_beta_2580(), ntc.get_ntc_beta_2585(), ntc.get_ntc_beta_25100(),
- 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);
- }
-
-}
\ No newline at end of file
+ #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);
+ }
+
+ }
\ No newline at end of file
--- a/ntc.lib Sat Apr 08 01:33:44 2017 +0000 +++ b/ntc.lib Wed Apr 12 17:01:17 2017 +0000 @@ -1,1 +1,1 @@ -https://developer.mbed.org/users/loopsva/code/ntc/#5d0dfa665cba +https://developer.mbed.org/users/loopsva/code/ntc/#8e6bd0f9877b