First pass at led pwm settings

* Added settings for ledpwm_on and ledpwm_off with defaults that mimic current digitalwrite function
* Changed ledpoweridx from digitalwrite to analogwrite
* Add commands to change new settings

tasmota/i18n.h

@@ -586,6 +586,10 @@
 // Commands xsns_02_analog.ino
 #define D_CMND_ADCPARAM "AdcParam"
 
+// Commands led pwm settings
+#define D_CMND_SETLEDPWMOFF "SetLedPwmOff"
+#define D_CMND_SETLEDPWMON "SetLedPwmOn"
+
 /********************************************************************************************/
 
 // Log message prefix

tasmota/settings.h

@@ -569,8 +569,10 @@ struct {
   uint16_t      windmeter_pulse_debounce;  // F3A
   int16_t       windmeter_speed_factor;    // F3C
   uint8_t       windmeter_tele_pchange;    // F3E
+  uint16_t		ledpwm_on;				   // F3F
+  uint16_t		ledpwm_off;				   // F41
 
-  uint8_t       free_f3f[121];             // F3F - Decrement if adding new Setting variables just above and below
+  uint8_t       free_f42[117];             // F42 - Decrement if adding new Setting variables just above and below
 
   // Only 32 bit boundary variables below
   uint16_t      pulse_counter_debounce_low;  // FB8

tasmota/settings.ino

@@ -1055,6 +1055,10 @@ void SettingsDefaultSet2(void)
   Settings.flag2 = flag2;
   Settings.flag3 = flag3;
   Settings.flag4 = flag4;
+  
+  // Led PWM
+  Settings.ledpwm_off = 0;
+  Settings.ledpwm_on = 1023;
 }
 
 /********************************************************************************************/
@@ -1419,4 +1423,9 @@ void SettingsDelta(void)
     Settings.version = VERSION;
     SettingsSave(1);
   }
+  // ledpwm
+  if (Settings.version < 0x080300002) {
+	  Settings.ledpwm_off = 0;
+	  Settings.ledpwm_on = 1023;
+  }
 }

tasmota/support_command.ino

@@ -27,7 +27,7 @@ const char kTasmotaCommands[] PROGMEM = "|"  // No prefix
   D_CMND_SERIALDELIMITER "|" D_CMND_IPADDRESS "|" D_CMND_NTPSERVER "|" D_CMND_AP "|" D_CMND_SSID "|" D_CMND_PASSWORD "|" D_CMND_HOSTNAME "|" D_CMND_WIFICONFIG "|"
   D_CMND_DEVICENAME "|" D_CMND_FRIENDLYNAME "|" D_CMND_SWITCHMODE "|" D_CMND_INTERLOCK "|" D_CMND_TELEPERIOD "|" D_CMND_RESET "|" D_CMND_TIME "|" D_CMND_TIMEZONE "|" D_CMND_TIMESTD "|"
   D_CMND_TIMEDST "|" D_CMND_ALTITUDE "|" D_CMND_LEDPOWER "|" D_CMND_LEDSTATE "|" D_CMND_LEDMASK "|" D_CMND_WIFIPOWER "|" D_CMND_TEMPOFFSET "|" D_CMND_HUMOFFSET "|"
-  D_CMND_SPEEDUNIT "|" D_CMND_GLOBAL_TEMP "|" D_CMND_GLOBAL_HUM "|"
+  D_CMND_SPEEDUNIT "|" D_CMND_GLOBAL_TEMP "|" D_CMND_GLOBAL_HUM "|" D_CMND_SETLEDPWMON "|" D_CMND_SETLEDPWMOFF "|"
 #ifdef USE_I2C
   D_CMND_I2CSCAN "|" D_CMND_I2CDRIVER "|"
 #endif
@@ -50,7 +50,7 @@ void (* const TasmotaCommand[])(void) PROGMEM = {
   &CmndSerialDelimiter, &CmndIpAddress, &CmndNtpServer, &CmndAp, &CmndSsid, &CmndPassword, &CmndHostname, &CmndWifiConfig,
   &CmndDevicename, &CmndFriendlyname, &CmndSwitchMode, &CmndInterlock, &CmndTeleperiod, &CmndReset, &CmndTime, &CmndTimezone, &CmndTimeStd,
   &CmndTimeDst, &CmndAltitude, &CmndLedPower, &CmndLedState, &CmndLedMask, &CmndWifiPower, &CmndTempOffset, &CmndHumOffset,
-  &CmndSpeedUnit, &CmndGlobalTemp, &CmndGlobalHum,
+  &CmndSpeedUnit, &CmndGlobalTemp, &CmndGlobalHum, &CmndSetLedPwmOn, &CmndSetLedPwmOff,
 #ifdef USE_I2C
   &CmndI2cScan, CmndI2cDriver,
 #endif
@@ -1890,3 +1890,27 @@ void CmndDriver(void)
 {
   XdrvCall(FUNC_COMMAND_DRIVER);
 }
+
+void CmndSetLedPwmOff(void)
+{
+  if ((XdrvMailbox.payload < 0) {
+	  Settings.ledpwm_off = 0;
+  } else if (XdrvMailbox.payload > Settings.pwm_range) {
+	  Settings.ledpwm_off = Settings.pwm_range;
+  } else {
+    Settings.ledpwm_off = XdrvMailbox.payload;
+  }
+  ResponseCmndNumber(Settings.ledpwm_off);
+}
+
+void CmndSetLedPwmOn(void)
+{
+  if ((XdrvMailbox.payload < 0) {
+	  Settings.ledpwm_on = 0;
+  } else if (XdrvMailbox.payload > Settings.pwm_range) {
+	  Settings.ledpwm_on = Settings.pwm_range;
+  } else {
+    Settings.ledpwm_on = XdrvMailbox.payload;
+  }
+  ResponseCmndNumber(Settings.ledpwm_on);
+}

tasmota/support_tasmota.ino

@@ -351,7 +351,13 @@ void SetLedPowerIdx(uint32_t led, uint32_t state)
     } else {
       led_power &= (0xFF ^ mask);
     }
-    DigitalWrite(GPIO_LED1, led, bitRead(led_inverted, led) ? !state : state);
+	uint16_t led_pwm_set = 0;
+	if (bitRead(led_inverted, led)) {
+      led_pwm_set = state ? Settings.pwm_range - Settings.ledpwm_on : Settings.pwm_range - Settings.ledpwm_off;
+	} else {
+	  led_pwm_set = state ? Settings.ledpwm_on : Settings.ledpwm_off;
+	}
+	analogWrite(led, led_pwm_set)
   }
 #ifdef USE_BUZZER
   if (led == 0) {