add getCoreTemp (betaflight#12608)

* add getCoreTemp

* add ifdef

* Update msp.c

Now also repported from MSP_STATUS

* Update src/main/msp/msp.c

Co-authored-by: Míguel Ángel Mulero Martínez <mcgivergim@gmail.com>

---------

Co-authored-by: Míguel Ángel Mulero Martínez <mcgivergim@gmail.com>

src/main/msp/msp.c

@@ -138,6 +138,7 @@
 #include "scheduler/scheduler.h"
 
 #include "sensors/acceleration.h"
+#include "sensors/adcinternal.h"
 #include "sensors/barometer.h"
 #include "sensors/battery.h"
 #include "sensors/boardalignment.h"
@@ -1116,6 +1117,14 @@ static bool mspProcessOutCommand(mspDescriptor_t srcDesc, int16_t cmdMSP, sbuf_t
             // config state flags - bits to indicate the state of the configuration, reboot required, etc.
             // other flags can be added as needed
             sbufWriteU8(dst, (getRebootRequired() << 0));
+
+            // Added in API version 1.46
+            // Write CPU temp
+#ifdef USE_ADC_INTERNAL                
+            sbufWriteU16(dst, getCoreTemperatureCelsius());
+#else
+            sbufWriteU16(dst, 0);
+#endif
         }
         break;
 

src/main/msp/msp_protocol.h

@@ -336,7 +336,7 @@
 #define MSP_V2_FRAME             255    //MSPv2 payload indicator
 
 // Additional commands that are not compatible with MultiWii
-#define MSP_STATUS_EX            150    //out message         cycletime, errors_count, CPU load, sensor present etc
+#define MSP_STATUS_EX            150    //out message         cycletime, errors_count, CPU load, CPU temperature, sensor present etc
 #define MSP_UID                  160    //out message         Unique device ID
 #define MSP_GPSSVINFO            164    //out message         get Signal Strength (only U-Blox)
 #define MSP_GPSSTATISTICS        166    //out message         get GPS debugging data