Warnings fixed and remarks from #3666 taken into account

radio/src/targets/simu/opentxsimulator.cpp

@@ -96,10 +96,10 @@ void OpenTxSimulator::start(QByteArray & ee, bool tests)
 
 void OpenTxSimulator::start(const char * filename, bool tests)
 {
-#if defined(PCBSKY9X) && !defined(REVX) && !defined(AR9X)
-  g_rotenc[0] = 0;
-#elif defined(PCBGRUVIN9X)
+#if ROTARY_ENCODERS > 0
   g_rotenc[0] = 0;
+#endif
+#if ROTARY_ENCODERS > 1
   g_rotenc[1] = 0;
 #endif
 
@@ -165,7 +165,7 @@ void OpenTxSimulator::wheelEvent(int steps)
     rotencValue -= 2;
   else
     rotencValue += 2;
-#elif defined(PCBSKY9X) && !defined(REVX) && !defined(AR9X)
+#elif defined(PCBSKY9X) && ROTARY_ENCODERS > 0
   g_rotenc[0] += steps*4;
 #elif defined(PCBGRUVIN9X)
   g_rotenc[0] += steps;

radio/src/targets/sky9x/board.h

@@ -187,18 +187,22 @@ void disable_dsm2(uint32_t port);
 
 // SD driver
 #if defined(SIMU)
-  #define sdInit()
-  #define sdDone()
+#define sdInit()
+#define sdDone()
 #else
-  #define sdPoll10ms()
-  void sdMountPoll();
-  extern "C" {
-    void init_SDcard();
-    void sdInit();
-    void sdDone();
-    uint32_t sd_card_ready();
-    uint32_t sdMounted();
-  }
+#define sdPoll10ms()
+void sdMountPoll();
+#if defined(__cplusplus)
+extern "C" {
+#endif
+  void init_SDcard();
+  void sdInit();
+  void sdDone();
+  uint32_t sd_card_ready();
+  uint32_t sdMounted();
+#if defined(__cplusplus)
+}
+#endif
 #endif
 
 // WDT driver
@@ -251,7 +255,9 @@ void i2cCheck();
 // Coproc driver
 void coprocInit();
 void coprocWriteData(uint8_t *data, uint32_t size);
+#if defined(__cplusplus)
 void coprocReadData(bool onlytemp=false);
+#endif
 extern int8_t volumeRequired;
 extern uint8_t Coproc_read;
 extern int8_t Coproc_valid;
@@ -306,7 +312,9 @@ void rxPdcUsart( void (*pChProcess)(uint8_t x) );
 
 // Second UART driver
 void serial2TelemetryInit(unsigned int protocol);
+#if defined(__cplusplus)
 bool telemetrySecondPortReceive(uint8_t & data);
+#endif
 
 extern const uint8_t BootCode[];
 

radio/src/targets/sky9x/i2c_driver.cpp

@@ -19,10 +19,7 @@
  */
 
 #include "opentx.h"
-#include "i2c_driver.h"
 #include "twi.h"
-#include "board_lowlevel.h"
-#include "stdlib.h"
 
 #define I2C_CLK_FAST  400000
 

radio/src/targets/sky9x/rtc_ds3231_driver.cpp

@@ -19,7 +19,6 @@
  */
 
 #include "opentx.h"
-#include "rtc.h"
 #include "i2c_driver.h"
 
 #define DS3231_I2C_ADDR 0x68

radio/src/thirdparty/xdk-asf-3.31.0/sam/drivers/twi/twi.c

@@ -129,7 +129,7 @@ uint32_t twi_master_init(Twi *p_twi, const twi_options_t *p_opt)
 	uint32_t status = TWI_SUCCESS;
 
 	/* Disable TWI interrupts */
-	p_twi->TWI_IDR = ~0UL;
+	p_twi->TWI_IDR = ~(uint32_t)0;
 
 	/* Dummy read in status register */
 	p_twi->TWI_SR;
@@ -494,7 +494,7 @@ void twi_disable_slave_mode(Twi *p_twi)
 void twi_slave_init(Twi *p_twi, uint32_t ul_device_addr)
 {
 	/* Disable TWI interrupts */
-	p_twi->TWI_IDR = ~0UL;
+	p_twi->TWI_IDR = ~(uint32_t)0;
 	p_twi->TWI_SR;
 
 	/* Reset TWI */