SITL: param use baro temp_board_offset instead of temp_flight

libraries/SITL/SIM_MS5611.cpp

@@ -112,5 +112,11 @@ void MS5611::get_pressure_temperature_readings(float &P_Pa, float &Temp_C)
     AP_Baro::SimpleAtmosphere(sim_alt * 0.001f, sigma, delta, theta);
     P_Pa = SSL_AIR_PRESSURE * delta;
 
-    Temp_C = (30.0 + C_TO_KELVIN) * theta - C_TO_KELVIN;  // Assume 30 degrees at sea level - converted to degrees Kelvin
+    Temp_C = (SSL_AIR_TEMPERATURE * theta - C_TO_KELVIN) + AP::sitl()->temp_board_offset;
+
+    // TO DO add in temperature adjustment by inheritting from AP_Baro_SITL_Generic?
+    // AP_Baro_SITL::temperature_adjustment(P_Pa, Temp_C);
+
+    // TO DO add in wind correction by inheritting from AP_Baro_SITL_Generic?
+    // P_Pa += AP_Baro_SITL::wind_pressure_correction(instance);
 }

libraries/SITL/SITL.cpp

@@ -85,7 +85,7 @@ const AP_Param::GroupInfo SIM::var_info[] = {
 // second table of user settable parameters for SITL. 
 const AP_Param::GroupInfo SIM::var_info2[] = {
     AP_GROUPINFO("TEMP_START",   1, SIM,  temp_start,  25),
-    AP_GROUPINFO("TEMP_FLIGHT",  2, SIM,  temp_flight, 35),
+    AP_GROUPINFO("TEMP_BRD_OFF", 2, SIM,  temp_board_offset, 20),
     AP_GROUPINFO("TEMP_TCONST",  3, SIM,  temp_tconst, 30),
     AP_GROUPINFO("TEMP_BFACTOR", 4, SIM,  temp_baro_factor, 0),
 

libraries/SITL/SITL.h

@@ -308,10 +308,10 @@ public:
     AP_Vector3f optflow_pos_offset; // XYZ position of the optical flow sensor focal point relative to the body frame origin (m)
     AP_Vector3f vicon_pos_offset;   // XYZ position of the vicon sensor relative to the body frame origin (m)
 
-    // temperature control
-    AP_Float temp_start;
-    AP_Float temp_flight;
-    AP_Float temp_tconst;
+    // barometer temperature control
+    AP_Float temp_start;            // [deg C] Barometer start temperature
+    AP_Float temp_board_offset;     // [deg C] Barometer board temperature offset from atmospheric temperature
+    AP_Float temp_tconst;           // [deg C] Barometer warmup temperature time constant
     AP_Float temp_baro_factor;
     
     AP_Int8 thermal_scenario;

libraries/SITL/examples/SilentWings/Params/Rolladen-Schneider-LS8b.param

@@ -692,7 +692,7 @@ SIM_SONAR_RND,0
 SIM_SONAR_SCALE,12.1212
 SIM_SPEEDUP,-1
 SIM_TEMP_BFACTOR,0
-SIM_TEMP_FLIGHT,35
+SIM_TEMP_BRD_OFF,20
 SIM_TEMP_START,25
 SIM_TEMP_TCONST,30
 SIM_TERRAIN,1

libraries/SITL/examples/SilentWings/Params/Schleicher-ASW27B.param

@@ -723,7 +723,7 @@ SIM_SPR_ENABLE,0
 SIM_SPR_PUMP,-1
 SIM_SPR_SPIN,-1
 SIM_TEMP_BFACTOR,0
-SIM_TEMP_FLIGHT,35
+SIM_TEMP_BRD_OFF,20
 SIM_TEMP_START,25
 SIM_TEMP_TCONST,30
 SIM_TERRAIN,1