Diff: ntc.h

Revision:

5:9655397ba539

Parent:

4:5d0dfa665cba

Child:

6:8e6bd0f9877b

--- a/ntc.h	Sat Apr 08 01:23:02 2017 +0000
+++ b/ntc.h	Tue Apr 11 20:30:30 2017 +0000
@@ -19,10 +19,12 @@
         float ad_resolution; /*!< A:D resolution*/
         int ntc_res;        /*!< NTC resistance value at 25C*/
         int ntc_tol;        /*!< NTC initial tolerance %*/
+        int ntc_beta_0050;  /*!< NTC Beta, B0/50*/
         int ntc_beta_2550;  /*!< NTC Beta, B25/50*/
         int ntc_beta_2580;  /*!< NTC Beta, B25/80*/
         int ntc_beta_2585;  /*!< NTC Beta, B25/85*/
         int ntc_beta_25100; /*!< NTC Beta, B25/100*/
+        int ntc_beta_other; /*!< NTC Beta, other value vs temp*/
         int ntc_beta_tol;   /*!< NTC Beta tolerance %*/
         int sres_res;       /*!< Series resistor value*/
         int sres_tol;       /*!< Series resistor tolerance %*/
@@ -40,15 +42,17 @@
         // muRata NCP15XH103J03RC
         20000,              // NTC resistance
         3,                  // NTC initial tolerance
+        0,                  // NTC B0/50, none
         3300,               // NTC B25/50
         3322,               // NTC B25/80
         3333,               // NTC B25/85
         3344,               // NTC B25/100
+        0,                  // NTC other Beta value
         2,                  // NTC beta tolerance
         // 3.32k 1% 100ppm
         4750,               // Series resistor value
-        5,                  // Series resistor tolerance
-        300                 // Series Resistor tempco ppm
+        1,                  // Series resistor tolerance
+        200                 // Series Resistor tempco ppm
     };
 
     /** NTC temperature A:D conversion
@@ -95,10 +99,12 @@
      *    // 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
@@ -110,9 +116,9 @@
      * 
      *  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());
+     *      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_0050(), ntc.get_ntc_beta_2550(), ntc.get_ntc_beta_2580(), ntc.get_ntc_beta_2585(), 
+     *                  ntc.get_ntc_beta_25100(), ntc.get_ntc_beta_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));
@@ -134,10 +140,12 @@
      * 
     **/
     enum ntcBetaCurve {
+        B0_50,   /*!<  use B0/50 curve */
         B25_50,  /*!<  use B25/50 curve */
         B25_80,  /*!<  use B25/80 curve */
         B25_85,  /*!<  use B25/85 curve */
         B25_100, /*!<  use B25/100 curve */
+        B_OTHER, /*!<  use other curve */
     };
 
     /** Configure gpio pin
@@ -168,8 +176,14 @@
       * @param none
       * @return beta
       */
+    int get_ntc_beta_0050();
+
+    /** Get the NTC beta value B0/50
+      * @param none
+      * @return beta
+      */
     int get_ntc_beta_2550();
-        
+            
     /** Get the NTC beta value B25/80
       * @param none
       * @return beta
@@ -187,6 +201,12 @@
       * @return beta
       */
     int get_ntc_beta_25100();
+    
+    /** Get other NTC beta value
+      * @param none
+      * @return beta
+      */
+    int get_ntc_beta_other();
         
     /** Get the resistance value for the series resistor
       * @param none
@@ -209,6 +229,7 @@
       * @param din -> if missing or 0, read_ad_reg() value is used for calculation
       * @param din -> if != 0, then value of din is used for calculation
       * @return temperature of NTC
+      * @return -100 if NTC Beta selected = 0
       */
     float get_ntc_temp(int curve, uint16_t din = NULL);