sns: constrain only works on a single type

make sure we use clamp instead of constrain

code/espurna/compat.h

@@ -133,6 +133,9 @@ constexpr size_t size(const T& value) {
 
 } // namespace std
 
+// Same as min and max, force same type arguments
+#undef constrain
+
 #endif
 
 // -----------------------------------------------------------------------------

code/espurna/curtain_kingart.cpp

@@ -496,7 +496,7 @@ void kingartCurtainSetup() {
 //------------------------------------------------------------------------------
 void curtainSetPosition(unsigned char id, long value) {
     if (id > 1) return;
-    _KACurtainSet(CURTAIN_BUTTON_UNKNOWN, constrain(value, 0, 100));
+    _KACurtainSet(CURTAIN_BUTTON_UNKNOWN, std::clamp(value, 0, 100));
 }
 
 unsigned char curtainCount() {

code/espurna/light.cpp

@@ -1091,11 +1091,11 @@ void _lightFromHsvPayload(const char* hsv) {
 // https://github.com/stelgenhof/AiLight
 // Color temperature is measured in mireds (kelvin = 1e6/mired)
 long _toKelvin(long mireds) {
-    return constrain(static_cast<long>(1000000L / mireds), _light_warm_kelvin, _light_cold_kelvin);
+    return std::clamp(static_cast<long>(1000000L / mireds), _light_warm_kelvin, _light_cold_kelvin);
 }
 
 long _toMireds(long kelvin) {
-    return constrain(static_cast<long>(lround(1000000L / kelvin)), _light_cold_mireds, _light_warm_mireds);
+    return std::clamp(static_cast<long>(lround(1000000L / kelvin)), _light_cold_mireds, _light_warm_mireds);
 }
 
 void _lightMireds(long kelvin) {

code/espurna/sensor.cpp

@@ -2596,8 +2596,9 @@ void _sensorLoad() {
 
     #if BMX280_SUPPORT
     {
+        // TODO: bmx280AddressN, do some migrate code based on number?
         // Support up to two sensors with full auto-discovery.
-        const unsigned char number = constrain(getSetting("bmx280Number", BMX280_NUMBER), 1, 2);
+        const auto number = std::clamp(getSetting("bmx280Number", BMX280_NUMBER), 1, 2);
 
         // For second sensor, if BMX280_ADDRESS is 0x00 then auto-discover
         // otherwise choose the other unnamed sensor address

code/espurna/sensors/HDC1080Sensor.h

@@ -83,7 +83,7 @@ class HDC1080Sensor : public I2CSensor<> {
             }
 
             value = (value / 65536) * 100;
-            _humidity = std::clamp(value, 0, 100);
+            _humidity = std::clamp(value, 0.0, 100.0);
         }
 
         // Current value for slot # index