minor tidyups

src/dallassensor.cpp

@@ -382,7 +382,7 @@ void DallasSensor::publish_values(const bool force) {
                 JsonArray  ids = dev.createNestedArray("ids");
                 ids.add("ems-esp");
 
-                char topic[100];
+                char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
                 if (dallas_format == Mqtt::Dallas_Format::SENSORID) {
                     // use '_' as HA doesn't like '-' in the topic name
                     std::string topicname = sensor.to_string();

src/devices/thermostat.cpp

@@ -377,7 +377,7 @@ void Thermostat::register_mqtt_ha_config_hc(uint8_t hc_num) {
     doc["temp_cmd_t"] = str3;
     doc["~"]          = Mqtt::base(); // ems-esp
 
-    char topic_t[80];
+    char topic_t[Mqtt::MQTT_TOPIC_MAX_SIZE];
     if (Mqtt::nested_format()) {
         snprintf_P(topic_t, sizeof(topic_t), PSTR("~/%s"), Mqtt::tag_to_topic(EMSdevice::DeviceType::THERMOSTAT, DeviceValueTAG::TAG_NONE).c_str());
 
@@ -428,7 +428,7 @@ void Thermostat::register_mqtt_ha_config_hc(uint8_t hc_num) {
     Mqtt::publish_ha(topic, doc.as<JsonObject>()); // publish the config payload with retain flag
 
     // enable the a special "thermostat_hc<n>" topic to take both mode strings and floats for each of the heating circuits
-    std::string topic2(100, '\0');
+    std::string topic2(Mqtt::MQTT_TOPIC_MAX_SIZE, '\0');
     snprintf_P(&topic2[0], topic2.capacity() + 1, PSTR("thermostat_hc%d"), hc_num);
     register_mqtt_topic(topic2, [=](const char * m) { return thermostat_ha_cmd(m, hc_num); });
 

src/emsdevice.cpp

@@ -352,7 +352,6 @@ char * EMSdevice::show_telegram_handlers(char * result) {
 
     char    str[10];
     uint8_t i = 0;
-    // for (const auto & tf : *telegram_functions_) {
     for (const auto & tf : telegram_functions_) {
         snprintf_P(str, sizeof(str), PSTR("0x%02X"), tf.telegram_type_id_);
         strlcat(result, str, 200);
@@ -572,8 +571,6 @@ bool EMSdevice::generate_values_json(JsonObject & root, const uint8_t tag_filter
             // we have a tag if it matches the filter given, and that the tag name is not empty/""
             bool have_tag = ((dv.tag != tag_filter) && !tag_to_string(dv.tag).empty());
 
-            // EMSESP::logger().info(F("**HERE: console=%d nested=%d tag_filter=%d tag=%d type=%d short=%s"), console, nested, tag_filter, dv.tag, dv.type, uuid::read_flash_string(dv.short_name).c_str());
-
             char name[80];
             if (console) {
                 // prefix the tag in brackets, unless it's Boiler because we're naughty and use tag for the MQTT topic

src/emsesp.cpp

@@ -486,7 +486,7 @@ void EMSESP::publish_device_values(uint8_t device_type) {
 
     // publish it under a single topic, only if we have data to publish
     if (need_publish) {
-        char topic[20];
+        char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
         snprintf_P(topic, sizeof(topic), PSTR("%s_data"), EMSdevice::device_type_2_device_name(device_type).c_str());
         Mqtt::publish(topic, json);
     }
@@ -688,7 +688,7 @@ void EMSESP::process_version(std::shared_ptr<const Telegram> telegram) {
     uint8_t product_id = telegram->message_data[offset]; // product ID
 
     // get version as XX.XX
-    std::string version(5, '\0');
+    std::string version(6, '\0');
     snprintf_P(&version[0], version.capacity() + 1, PSTR("%02d.%02d"), telegram->message_data[offset + 1], telegram->message_data[offset + 2]);
 
     // some devices store the protocol type (HT3, Buderus) in the last byte

src/emsesp.h

@@ -63,7 +63,7 @@
 #define EMSESP_JSON_SIZE_XLARGE_DYN 4096  // for very very large json docs, using DynamicJsonDocument
 #define EMSESP_JSON_SIZE_XXLARGE_DYN 5120 // for extra very very large json docs, using DynamicJsonDocument
 
-// helpers for call back functions
+// helpers for callback functions
 #define MAKE_PF_CB(__f) [&](std::shared_ptr<const Telegram> t) { __f(t); }                  // for process function callbacks to register_telegram_type()
 #define MAKE_CF_CB(__f) [&](const char * value, const int8_t id) { return __f(value, id); } // for command function callbacks to register_mqtt_cmd()
 

src/shower.cpp

@@ -114,7 +114,7 @@ void Shower::send_mqtt_stat(bool state, bool force) {
         JsonArray  ids = dev.createNestedArray("ids");
         ids.add("ems-esp");
 
-        char topic[100];
+        char topic[Mqtt::MQTT_TOPIC_MAX_SIZE];
         snprintf_P(topic, sizeof(topic), PSTR("homeassistant/binary_sensor/%s/shower_active/config"), Mqtt::base().c_str());
         Mqtt::publish_ha(topic, doc.as<JsonObject>()); // publish the config payload with retain flag
     }