CJC

config.toml

@@ -1,21 +1,13 @@
 [TH7]
 port = 8080
 logfreq = 60
-debug = true
 
 [DB]
 type = "sqlite3"
 path = "test.db"
 
-[Channel_1]
-type = 'k'
+[Channel_2]
+type = 'K'
 unit = 'C'
 gain = 106.8
 offset = 2.4
-
-[Channel_5]
-type = 'N'
-unit = 'F'
-
-[Channel_6]
-type = 'S'

core/th7/service.go

@@ -3,6 +3,8 @@ package th7
 import (
 	"fmt"
 	"log"
+	temp_data "th7/data/temperature"
+	"th7/temperature"
 	"th7/thermocouple"
 	"time"
 )
@@ -79,30 +81,48 @@ func startCacheService(t *TH7Adapter) {
 		for k := range t.cfg.Channels {
 
 			tc := t.cfg.Channels[k].Thermo
-			if thermocouple.WithinTemperatureRange(tc, pcb_temperature) {
+
 			// if we can apply CJC with this configuration ...
+			if thermocouple.WithinTemperatureRange(tc, pcb_temperature) {
+
 				cjc_uv, err := thermocouple.UV(tc, pcb_temperature)
 				if err != nil {
 					log.Println("Error doing CJC", err)
-				} else {
+					cjc_uv = 0.0
+				}
 
 				data[k].Value -= cjc_uv
 				data[k].Unit = t.cfg.Channels[k].Unit
+				data[k].Id = t.cfg.Channels[k].Id
 
-					new_value_c, err := thermocouple.C(tc, data[k].Value)
-					if err != nil {
-						log.Println("Error converting UV to C", t.cfg.Channels[k], data[k].Value)
 			}
-
-					//TODO: different temp units
-					data[k].Value = new_value_c
-				}
-
-			} else {
 			// CJC can not be applied
 			// board temp out of range for specified thermocouple type
 			// perhaps just subtract board temperature?  dont know
-				fmt.Println("No valid CJC for Channel", t.cfg.Channels[k].Id)
+			//fmt.Println("No valid CJC for Channel", t.cfg.Channels[k].Id)
+
+			// if the temperature unit is "None", it is probably for UV only.
+			// so do not convert it to a value using t/c polys
+			if data[k].Unit != temp_data.None {
+				new_value_c, err := thermocouple.C(tc, data[k].Value)
+				if err != nil {
+					log.Println("Error converting UV to C", t.cfg.Channels[k].Id, data[k].Value)
+					new_value_c = data[k].Value
+				}
+
+				data[k].Value = new_value_c
+
+				// It is celsius by default
+				switch data[k].Unit {
+
+				case temp_data.F:
+					data[k].Value = temperature.F(temp_data.C, data[k].Value)
+
+				case temp_data.K:
+					data[k].Value = temperature.K(temp_data.C, data[k].Value)
+
+				}
+
 			}
 
 		}