moved the implementation of 'getMaxDuty()' into the cpp file for all …

Sming/Arch/Esp32/Core/HardwarePWM.cpp

@@ -223,6 +223,11 @@ uint32_t HardwarePWM::getDutyChan(uint8_t chan)
 	return (chan == PWM_BAD_CHANNEL) ? 0 : ledc_get_duty(pinToGroup(chan), pinToChannel(chan));
 }
 
+uint32_t HardwarePWM::getMaxDuty()
+{
+	return maxduty;
+}
+
 bool HardwarePWM::setDutyChan(uint8_t chan, uint32_t duty, bool update)
 {
 	if(chan == PWM_BAD_CHANNEL) {

Sming/Arch/Esp8266/Core/HardwarePWM.cpp

@@ -125,6 +125,11 @@ uint32_t HardwarePWM::getPeriod()
 	return pwm_get_period();
 }
 
+uint32_t HardwarePWM::getMaxDuty()
+{
+	return maxduty;
+}
+
 void HardwarePWM::setPeriod(uint32_t period)
 {
 	maxduty = PERIOD_TO_MAX_DUTY(period);

Sming/Arch/Host/Core/HardwarePWM.cpp

@@ -46,6 +46,11 @@ bool HardwarePWM::setDutyChan(uint8_t chan, uint32_t duty, bool update)
 	return false;
 }
 
+uint32_t HardwarePWM::getMaxDuty()
+{
+	return 0;
+}
+
 uint32_t HardwarePWM::getPeriod()
 {
 	return 0;

Sming/Arch/Rp2040/Core/HardwarePWM.cpp.todo

@@ -116,6 +116,11 @@ uint32 HardwarePWM::getPeriod()
 	return pwm_get_period();
 }
 
+uint32_t HardwarePWM::getMaxDuty()
+{
+	return maxduty;
+}
+
 /* Function Name: setPeriod
  * Description: This function is used to set Period of PWM.
  *				Period / frequency will remain same for all pins.

Sming/Core/HardwarePWM.h

@@ -113,10 +113,7 @@ class HardwarePWM
      *  @retval uint32_t Maximum permissible duty cycle
      *  @note   Attempt to set duty of a pin above this value will fail
      */
-	uint32_t getMaxDuty()
-	{
-		return maxduty;
-	}
+	uint32_t getMaxDuty();
 
 	/** @brief  This function is used to actually update the PWM.
 	 */