AP_HAL_SITL: RCOuput minor fix

correct style
make constructor explicit
use c++ cast

libraries/AP_HAL_SITL/RCOutput.cpp

@@ -2,12 +2,12 @@
 #if CONFIG_HAL_BOARD == HAL_BOARD_SITL
 
 #include "RCOutput.h"
-#include <stdio.h>
 
 #define ENABLE_DEBUG 0
 
 #if ENABLE_DEBUG
-# define Debug(fmt, args ...)  do {::printf("%s:%d: " fmt "\n", __FUNCTION__, __LINE__, ## args); } while(0)
+# include <stdio.h>
+# define Debug(fmt, args ...)  do {::printf("%s:%d: " fmt "\n", __FUNCTION__, __LINE__, ## args); } while (0)
 #else
 # define Debug(fmt, args ...)
 #endif
@@ -18,7 +18,7 @@ void RCOutput::init() {}
 
 void RCOutput::set_freq(uint32_t chmask, uint16_t freq_hz)
 {
-    Debug("set_freq(0x%04x, %u)\n", (unsigned)chmask, (unsigned)freq_hz);
+    Debug("set_freq(0x%04x, %u)\n", static_cast<uint32_t>(chmask), static_cast<uint32_t>(freq_hz));
     _freq_hz = freq_hz;
 }
 
@@ -29,18 +29,18 @@ uint16_t RCOutput::get_freq(uint8_t ch)
 
 void RCOutput::enable_ch(uint8_t ch)
 {
-    if (!(_enable_mask & (1U<<ch))) {
+    if (!(_enable_mask & (1U << ch))) {
         Debug("enable_ch(%u)\n", ch);
     }
-    _enable_mask |= 1U<<ch;
+    _enable_mask |= 1U << ch;
 }
 
 void RCOutput::disable_ch(uint8_t ch)
 {
-    if (_enable_mask & (1U<<ch)) {
+    if (_enable_mask & (1U << ch)) {
         Debug("disable_ch(%u)\n", ch);
     }
-    _enable_mask &= ~1U<<ch;
+    _enable_mask &= ~1U << ch;
 }
 
 void RCOutput::write(uint8_t ch, uint16_t period_us)
@@ -64,18 +64,18 @@ uint16_t RCOutput::read(uint8_t ch)
 
 void RCOutput::read(uint16_t* period_us, uint8_t len)
 {
-    memcpy(period_us, _sitlState->pwm_output, len*sizeof(uint16_t));
+    memcpy(period_us, _sitlState->pwm_output, len * sizeof(uint16_t));
 }
 
 void RCOutput::cork(void)
 {
-    memcpy(_pending, _sitlState->pwm_output, SITL_NUM_CHANNELS*sizeof(uint16_t));
+    memcpy(_pending, _sitlState->pwm_output, SITL_NUM_CHANNELS * sizeof(uint16_t));
     _corked = true;
 }
 
 void RCOutput::push(void)
 {
-    memcpy(_sitlState->pwm_output, _pending, SITL_NUM_CHANNELS*sizeof(uint16_t));
+    memcpy(_sitlState->pwm_output, _pending, SITL_NUM_CHANNELS * sizeof(uint16_t));
     _corked = false;
 }
 

libraries/AP_HAL_SITL/RCOutput.h

@@ -6,20 +6,17 @@
 
 class HALSITL::RCOutput : public AP_HAL::RCOutput {
 public:
-    RCOutput(SITL_State *sitlState) {
-        _sitlState = sitlState;
-        _freq_hz = 50;
-    }
-    void     init() override;
-    void     set_freq(uint32_t chmask, uint16_t freq_hz) override;
+    explicit RCOutput(SITL_State *sitlState): _sitlState(sitlState), _freq_hz(50) {}
+    void init() override;
+    void set_freq(uint32_t chmask, uint16_t freq_hz) override;
     uint16_t get_freq(uint8_t ch) override;
-    void     enable_ch(uint8_t ch) override;
-    void     disable_ch(uint8_t ch) override;
-    void     write(uint8_t ch, uint16_t period_us) override;
+    void enable_ch(uint8_t ch) override;
+    void disable_ch(uint8_t ch) override;
+    void write(uint8_t ch, uint16_t period_us) override;
     uint16_t read(uint8_t ch) override;
-    void     read(uint16_t* period_us, uint8_t len) override;
-    void     cork(void);
-    void     push(void);
+    void read(uint16_t* period_us, uint8_t len) override;
+    void cork(void);
+    void push(void);
 
 private:
     SITL_State *_sitlState;