Misc fixes for ledc

platformio.ini

@@ -119,6 +119,7 @@ build_unflags = ${esp32c3.build_unflags}
 build_flags =
 	-D FIRMWARE='"esp32c3"'
 	-D SENSORS
+	-D ESP32C3
 	${esp32c3.build_flags}
 
 [env:esp32-verbose]

src/defaults.h

@@ -71,6 +71,13 @@
 #define DEFAULT_I2C_BUS_2_SCL 21
 #define DEFAULT_I2C_BUS 1
 #else
+#ifdef ESP32C3
+#define DEFAULT_I2C_BUS_1_SDA 19
+#define DEFAULT_I2C_BUS_1_SCL 18
+#define DEFAULT_I2C_BUS_2_SDA -1
+#define DEFAULT_I2C_BUS_2_SCL -1
+#define DEFAULT_I2C_BUS 1
+#else
 #define DEFAULT_I2C_BUS_1_SDA 21
 #define DEFAULT_I2C_BUS_1_SCL 22
 #define DEFAULT_I2C_BUS_2_SDA -1
@@ -78,6 +85,7 @@
 #define DEFAULT_I2C_BUS 1
 #endif
 #endif
+#endif
 
 // TSL2561 Defaults
 #define DEFAULT_TSL2561_I2C_GAIN "auto"

src/led/SinglePWM.cpp

@@ -5,13 +5,19 @@ SinglePWM::SinglePWM(uint8_t index, ControlType controlType, bool inverted, int
     this->pin = pin;
 }
 
-void SinglePWM::begin() {
+void SinglePWM::init() {
-    ledcSetup(LED::getIndex(), 12000, 12);
+    inited = true;
+    pinMode(pin, OUTPUT);
+    ledcSetup(LED::getIndex(), 5000, 12);
     ledcAttachPin(pin, getIndex());
+}
+
+void SinglePWM::begin() {
     setDuty(LED::getBrightness());
 }
 
 void SinglePWM::setDuty(uint32_t x) {
+    if (!inited) init();
     uint32_t duty = x >= 255 ? 4096 : (x <= 0 ? 0 : round(4096.0 * pow(10.0, 0.0055 * (x - 255.0))));
     if (inverted) duty = 4096 - duty;
     ledcWrite(LED::getIndex(), duty);

src/led/SinglePWM.h

@@ -13,7 +13,9 @@ class SinglePWM : public LED {
     bool setBrightness(uint8_t brightness) override;
 
    private:
+    void init();
     void setDuty(uint32_t value);
     bool inverted;
     int pin;
+    bool inited = false;
 };