fix static analysis warnings

Makefile

@@ -73,8 +73,8 @@ CPPFLAGS  += -Os
 
 CFLAGS    += $(CPPFLAGS)
 CFLAGS    += -Wall
-CFLAGS    += -Wno-unused -Wno-restrict
 CFLAGS    += -Wextra
+CFLAGS    += -Wno-unused-parameter
 
 CXXFLAGS  += $(CFLAGS) -MMD
 

src/dallassensor.h

@@ -147,10 +147,6 @@ class DallasSensor {
 
     static uuid::log::Logger logger_;
 
-#ifndef EMSESP_STANDALONE
-    OneWire bus_;
-#endif
-
     bool     temperature_convert_complete();
     int16_t  get_temperature_c(const uint8_t addr[]);
     uint64_t get_id(const uint8_t addr[]);
@@ -159,19 +155,22 @@ class DallasSensor {
     bool command_info(const char * value, const int8_t id, JsonObject & output);
     bool command_commands(const char * value, const int8_t id, JsonObject & output);
 
-    uint32_t last_activity_ = uuid::get_uptime();
-    State    state_         = State::IDLE;
-
     std::vector<Sensor> sensors_; // our list of active sensors
 
-    int8_t   scancnt_     = SCAN_START;
-    uint8_t  firstscan_   = 0;
+#ifndef EMSESP_STANDALONE
+    OneWire  bus_;
+    uint32_t last_activity_ = uuid::get_uptime();
+    State    state_         = State::IDLE;
+    int8_t   scancnt_       = SCAN_START;
+    uint8_t  firstscan_     = 0;
+    int8_t   scanretry_     = 0;
+#endif
+
     uint8_t  dallas_gpio_ = 0;
     bool     parasite_    = false;
     bool     changed_     = false;
     uint32_t sensorfails_ = 0;
     uint32_t sensorreads_ = 0;
-    int8_t   scanretry_   = 0;
 };
 
 } // namespace emsesp

src/devices/boiler.h

@@ -177,7 +177,6 @@ class Boiler : public EMSdevice {
     uint8_t  hpCoolingOn_;
     uint8_t  hpWwOn_;
     uint8_t  hpPoolOn_;
-    uint8_t  hpHeatingOn;
     int16_t  hpTc0_;
     int16_t  hpTc1_;
     int16_t  hpTc3_;

src/helpers.cpp

@@ -200,7 +200,7 @@ char * Helpers::render_value(char * result, const char * value, const int8_t for
 // format: 255(0xFF)=boolean, 0=no formatting, otherwise divide by format
 char * Helpers::render_value(char * result, uint8_t value, int8_t format, const uint8_t fahrenheit) {
     // special check if its a boolean
-    if (format == EMS_VALUE_BOOL) {
+    if ((uint8_t)format == EMS_VALUE_BOOL) {
         if (value == EMS_VALUE_BOOL_OFF) {
             render_boolean(result, false);
         } else if (value == EMS_VALUE_BOOL_NOTSET) {

src/mqtt.cpp

@@ -62,11 +62,11 @@ MAKE_PSTR(iconpercent, "mdi:percent-outline")     // DeviceValueUOM::PERCENT
 MAKE_PSTR(icontime, "mdi:clock-outline")          // DeviceValueUOM::SECONDS MINUTES & HOURS
 MAKE_PSTR(iconkb, "mdi:memory")                   // DeviceValueUOM::KB
 MAKE_PSTR(iconlmin, "mdi:water-boiler")           // DeviceValueUOM::LMIN
-MAKE_PSTR(iconkwh, "mdi:transmission-tower")      // DeviceValueUOM::KWH & WH
+// MAKE_PSTR(iconkwh, "mdi:transmission-tower")      // DeviceValueUOM::KWH & WH
 MAKE_PSTR(iconua, "mdi:lightning-bolt-circle")    // DeviceValueUOM::UA
-MAKE_PSTR(iconbar, "mdi:gauge")                   // DeviceValueUOM::BAR
-MAKE_PSTR(iconkw, "mdi:omega")                    // DeviceValueUOM::KW & W
-MAKE_PSTR(icondbm, "mdi:wifi-strength-2")         // DeviceValueUOM::DBM
+// MAKE_PSTR(iconbar, "mdi:gauge")                   // DeviceValueUOM::BAR
+// MAKE_PSTR(iconkw, "mdi:omega")                    // DeviceValueUOM::KW & W
+// MAKE_PSTR(icondbm, "mdi:wifi-strength-2")         // DeviceValueUOM::DBM
 MAKE_PSTR(iconnum, "mdi:counter")                 // DeviceValueUOM::NONE
 MAKE_PSTR(icondevice, "mdi:home-automation")      // for devices in HA
 
@@ -253,7 +253,7 @@ void Mqtt::incoming(const char * topic, const char * payload) {
 void Mqtt::on_message(const char * topic, const char * payload, size_t len) {
     // sometimes the payload is not terminated correctly, so make a copy
     // convert payload to a null-terminated char string
-    char message[len + 2] = {'\0'};
+    char message[len + 2];
     if (payload != nullptr) {
         strlcpy(message, payload, len + 1);
     }

src/system.cpp

@@ -252,7 +252,9 @@ void System::format(uuid::console::Shell & shell) {
 }
 
 void System::syslog_init() {
+#ifndef EMSESP_STANDALONE
     bool was_enabled = syslog_enabled_;
+#endif
     EMSESP::webSettingsService.read([&](WebSettings & settings) {
         syslog_enabled_       = settings.syslog_enabled;
         syslog_level_         = settings.syslog_level;