Logs port from gruvin9x

JETI ok on simu
Sticks mode problem in Trims2Offsets function
PXX bug fix pulled from er9x
Optimizations

src/open9x.h

@@ -608,11 +608,6 @@ void DSM2_Init();
 void DSM2_Done();
 void resetProto();
 
-#ifdef LOGS
-extern void startLogs();
-extern void doLogs();
-#endif
-
 extern uint8_t *pulses2MHzRPtr;
 extern uint8_t *pulses2MHzWPtr;
 
@@ -685,12 +680,6 @@ inline bool isFunctionActive(uint8_t func)
 extern char userDataDisplayBuf[TELEM_SCREEN_BUFFER_SIZE]; // text buffer for frsky telem. user data experiments
 #endif
 
-#if defined (PCBV4)
-extern char g_logFilename[22]; // pers.cpp::resetTelemetry()
-extern FATFS FATFS_Obj; // pers.cpp::resetTelemetry()
-extern FIL g_oLogFile; // pers.cpp::resetTelemetry()
-#endif
-
 #if defined (PCBV4)
 // Global rotary encoder registers -- 8-bit, 0-255
 extern volatile uint8_t g_rotenc[2];
@@ -704,6 +693,10 @@ extern volatile uint8_t g_rotenc[2];
 #include "beeper.h"
 #endif
 
+#ifdef LOGS
+#include "logs.h"
+#endif
+
 #if defined(SOMO)
 #include "somo14d.h"
 #endif