[modbus_controller] Clang fixes (#7899)

esphome/components/modbus_controller/modbus_controller.cpp

@@ -152,11 +152,11 @@ void ModbusController::on_modbus_read_registers(uint8_t function_code, uint16_t
 }
 
 SensorSet ModbusController::find_sensors_(ModbusRegisterType register_type, uint16_t start_address) const {
-  auto reg_it = find_if(begin(register_ranges_), end(register_ranges_), [=](RegisterRange const &r) {
+  auto reg_it = find_if(begin(this->register_ranges_), end(this->register_ranges_), [=](RegisterRange const &r) {
     return (r.start_address == start_address && r.register_type == register_type);
   });
 
-  if (reg_it == register_ranges_.end()) {
+  if (reg_it == this->register_ranges_.end()) {
     ESP_LOGE(TAG, "No matching range for sensor found - start_address : 0x%X", start_address);
   } else {
     return reg_it->sensors;
@@ -240,18 +240,18 @@ void ModbusController::update() {
 
 // walk through the sensors and determine the register ranges to read
 size_t ModbusController::create_register_ranges_() {
-  register_ranges_.clear();
-  if (this->parent_->role == modbus::ModbusRole::CLIENT && sensorset_.empty()) {
+  this->register_ranges_.clear();
+  if (this->parent_->role == modbus::ModbusRole::CLIENT && this->sensorset_.empty()) {
     ESP_LOGW(TAG, "No sensors registered");
     return 0;
   }
 
   // iterator is sorted see SensorItemsComparator for details
-  auto ix = sensorset_.begin();
+  auto ix = this->sensorset_.begin();
   RegisterRange r = {};
   uint8_t buffer_offset = 0;
   SensorItem *prev = nullptr;
-  while (ix != sensorset_.end()) {
+  while (ix != this->sensorset_.end()) {
     SensorItem *curr = *ix;
 
     ESP_LOGV(TAG, "Register: 0x%X %d %d %d offset=%u skip=%u addr=%p", curr->start_address, curr->register_count,
@@ -278,12 +278,12 @@ size_t ModbusController::create_register_ranges_() {
           // this register can re-use the data from the previous register
 
           // remove this sensore because start_address is changed (sort-order)
-          ix = sensorset_.erase(ix);
+          ix = this->sensorset_.erase(ix);
 
           curr->start_address = r.start_address;
           curr->offset += prev->offset;
 
-          sensorset_.insert(curr);
+          this->sensorset_.insert(curr);
           // move iterator backwards because it will be incremented later
           ix--;
 
@@ -293,14 +293,14 @@ size_t ModbusController::create_register_ranges_() {
           // this register can extend the current range
 
           // remove this sensore because start_address is changed (sort-order)
-          ix = sensorset_.erase(ix);
+          ix = this->sensorset_.erase(ix);
 
           curr->start_address = r.start_address;
           curr->offset += buffer_offset;
           buffer_offset += curr->get_register_size();
           r.register_count += curr->register_count;
 
-          sensorset_.insert(curr);
+          this->sensorset_.insert(curr);
           // move iterator backwards because it will be incremented later
           ix--;
 
@@ -327,7 +327,7 @@ size_t ModbusController::create_register_ranges_() {
       ix++;
     } else {
       ESP_LOGV(TAG, "Add range 0x%X %d skip:%d", r.start_address, r.register_count, r.skip_updates);
-      register_ranges_.push_back(r);
+      this->register_ranges_.push_back(r);
       r = {};
       buffer_offset = 0;
       // do not increment the iterator here because the current sensor has to be re-evaluated
@@ -339,10 +339,10 @@ size_t ModbusController::create_register_ranges_() {
   if (r.register_count > 0) {
     // Add the last range
     ESP_LOGV(TAG, "Add last range 0x%X %d skip:%d", r.start_address, r.register_count, r.skip_updates);
-    register_ranges_.push_back(r);
+    this->register_ranges_.push_back(r);
   }
 
-  return register_ranges_.size();
+  return this->register_ranges_.size();
 }
 
 void ModbusController::dump_config() {
@@ -352,18 +352,18 @@ void ModbusController::dump_config() {
   ESP_LOGCONFIG(TAG, "  Offline Skip Updates: %d", this->offline_skip_updates_);
 #if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE
   ESP_LOGCONFIG(TAG, "sensormap");
-  for (auto &it : sensorset_) {
+  for (auto &it : this->sensorset_) {
     ESP_LOGCONFIG(TAG, " Sensor type=%zu start=0x%X offset=0x%X count=%d size=%d",
                   static_cast<uint8_t>(it->register_type), it->start_address, it->offset, it->register_count,
                   it->get_register_size());
   }
   ESP_LOGCONFIG(TAG, "ranges");
-  for (auto &it : register_ranges_) {
+  for (auto &it : this->register_ranges_) {
     ESP_LOGCONFIG(TAG, "  Range type=%zu start=0x%X count=%d skip_updates=%d", static_cast<uint8_t>(it.register_type),
                   it.start_address, it.register_count, it.skip_updates);
   }
   ESP_LOGCONFIG(TAG, "server registers");
-  for (auto &r : server_registers_) {
+  for (auto &r : this->server_registers_) {
     ESP_LOGCONFIG(TAG, "  Address=0x%02X value_type=%zu register_count=%u", r->address,
                   static_cast<uint8_t>(r->value_type), r->register_count);
   }
@@ -372,11 +372,11 @@ void ModbusController::dump_config() {
 
 void ModbusController::loop() {
   // Incoming data to process?
-  if (!incoming_queue_.empty()) {
-    auto &message = incoming_queue_.front();
+  if (!this->incoming_queue_.empty()) {
+    auto &message = this->incoming_queue_.front();
     if (message != nullptr)
       process_modbus_data_(message.get());
-    incoming_queue_.pop();
+    this->incoming_queue_.pop();
 
   } else {
     // all messages processed send pending commands
@@ -391,7 +391,7 @@ void ModbusController::on_write_register_response(ModbusRegisterType register_ty
 
 void ModbusController::dump_sensors_() {
   ESP_LOGV(TAG, "sensors");
-  for (auto &it : sensorset_) {
+  for (auto &it : this->sensorset_) {
     ESP_LOGV(TAG, "  Sensor start=0x%X count=%d size=%d offset=%d", it->start_address, it->register_count,
              it->get_register_size(), it->offset);
   }

esphome/components/modbus_controller/modbus_controller.h

@@ -240,14 +240,14 @@ class SensorItem {
   }
   // Override register size for modbus devices not using 1 register for one dword
   void set_register_size(uint8_t register_size) { response_bytes = register_size; }
-  ModbusRegisterType register_type;
-  SensorValueType sensor_value_type;
-  uint16_t start_address;
-  uint32_t bitmask;
-  uint8_t offset;
-  uint8_t register_count;
+  ModbusRegisterType register_type{ModbusRegisterType::CUSTOM};
+  SensorValueType sensor_value_type{SensorValueType::RAW};
+  uint16_t start_address{0};
+  uint32_t bitmask{0};
+  uint8_t offset{0};
+  uint8_t register_count{0};
   uint8_t response_bytes{0};
-  uint16_t skip_updates;
+  uint16_t skip_updates{0};
   std::vector<uint8_t> custom_data{};
   bool force_new_range{false};
 };
@@ -261,9 +261,9 @@ class ServerRegister {
     this->register_count = register_count;
     this->read_lambda = std::move(read_lambda);
   }
-  uint16_t address;
-  SensorValueType value_type;
-  uint8_t register_count;
+  uint16_t address{0};
+  SensorValueType value_type{SensorValueType::RAW};
+  uint8_t register_count{0};
   std::function<float()> read_lambda;
 };
 
@@ -312,11 +312,11 @@ struct RegisterRange {
 class ModbusCommandItem {
  public:
   static const size_t MAX_PAYLOAD_BYTES = 240;
-  ModbusController *modbusdevice;
-  uint16_t register_address;
-  uint16_t register_count;
-  ModbusFunctionCode function_code;
-  ModbusRegisterType register_type;
+  ModbusController *modbusdevice{nullptr};
+  uint16_t register_address{0};
+  uint16_t register_count{0};
+  ModbusFunctionCode function_code{ModbusFunctionCode::CUSTOM};
+  ModbusRegisterType register_type{ModbusRegisterType::CUSTOM};
   std::function<void(ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data)>
       on_data_func;
   std::vector<uint8_t> payload = {};
@@ -493,23 +493,23 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
   /// Collection of all sensors for this component
   SensorSet sensorset_;
   /// Collection of all server registers for this component
-  std::vector<ServerRegister *> server_registers_;
+  std::vector<ServerRegister *> server_registers_{};
   /// Continuous range of modbus registers
-  std::vector<RegisterRange> register_ranges_;
+  std::vector<RegisterRange> register_ranges_{};
   /// Hold the pending requests to be sent
   std::list<std::unique_ptr<ModbusCommandItem>> command_queue_;
   /// modbus response data waiting to get processed
   std::queue<std::unique_ptr<ModbusCommandItem>> incoming_queue_;
   /// if duplicate commands can be sent
-  bool allow_duplicate_commands_;
+  bool allow_duplicate_commands_{false};
   /// when was the last send operation
-  uint32_t last_command_timestamp_;
+  uint32_t last_command_timestamp_{0};
   /// min time in ms between sending modbus commands
-  uint16_t command_throttle_;
+  uint16_t command_throttle_{0};
   /// if module didn't respond the last command
-  bool module_offline_;
+  bool module_offline_{false};
   /// how many updates to skip if module is offline
-  uint16_t offline_skip_updates_;
+  uint16_t offline_skip_updates_{0};
   /// How many times we will retry a command if we get no response
   uint8_t max_cmd_retries_{4};
   /// Command sent callback

esphome/components/modbus_controller/number/modbus_number.cpp

@@ -8,7 +8,7 @@ namespace modbus_controller {
 static const char *const TAG = "modbus.number";
 
 void ModbusNumber::parse_and_publish(const std::vector<uint8_t> &data) {
-  float result = payload_to_float(data, *this) / multiply_by_;
+  float result = payload_to_float(data, *this) / this->multiply_by_;
 
   // Is there a lambda registered
   // call it with the pre converted value and the raw data array
@@ -43,7 +43,7 @@ void ModbusNumber::control(float value) {
       return;
     }
   } else {
-    write_value = multiply_by_ * write_value;
+    write_value = this->multiply_by_ * write_value;
   }
 
   if (!data.empty()) {
@@ -63,21 +63,21 @@ void ModbusNumber::control(float value) {
     // Create and send the write command
     if (this->register_count == 1 && !this->use_write_multiple_) {
       // since offset is in bytes and a register is 16 bits we get the start by adding offset/2
-      write_cmd =
-          ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2, data[0]);
+      write_cmd = ModbusCommandItem::create_write_single_command(this->parent_, this->start_address + this->offset / 2,
+                                                                 data[0]);
     } else {
-      write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2,
-                                                                   this->register_count, data);
+      write_cmd = ModbusCommandItem::create_write_multiple_command(
+          this->parent_, this->start_address + this->offset / 2, this->register_count, data);
     }
     // publish new value
     write_cmd.on_data_func = [this, write_cmd, value](ModbusRegisterType register_type, uint16_t start_address,
                                                       const std::vector<uint8_t> &data) {
       // gets called when the write command is ack'd from the device
-      parent_->on_write_register_response(write_cmd.register_type, start_address, data);
+      this->parent_->on_write_register_response(write_cmd.register_type, start_address, data);
       this->publish_state(value);
     };
   }
-  parent_->queue_command(write_cmd);
+  this->parent_->queue_command(write_cmd);
   this->publish_state(value);
 }
 void ModbusNumber::dump_config() { LOG_NUMBER(TAG, "Modbus Number", this); }

esphome/components/modbus_controller/number/modbus_number.h

@@ -29,7 +29,7 @@ class ModbusNumber : public number::Number, public Component, public SensorItem
   void parse_and_publish(const std::vector<uint8_t> &data) override;
   float get_setup_priority() const override { return setup_priority::HARDWARE; }
   void set_parent(ModbusController *parent) { this->parent_ = parent; }
-  void set_write_multiply(float factor) { multiply_by_ = factor; }
+  void set_write_multiply(float factor) { this->multiply_by_ = factor; }
 
   using transform_func_t = std::function<optional<float>(ModbusNumber *, float, const std::vector<uint8_t> &)>;
   using write_transform_func_t = std::function<optional<float>(ModbusNumber *, float, std::vector<uint16_t> &)>;
@@ -39,9 +39,9 @@ class ModbusNumber : public number::Number, public Component, public SensorItem
 
  protected:
   void control(float value) override;
-  optional<transform_func_t> transform_func_;
-  optional<write_transform_func_t> write_transform_func_;
-  ModbusController *parent_;
+  optional<transform_func_t> transform_func_{nullopt};
+  optional<write_transform_func_t> write_transform_func_{nullopt};
+  ModbusController *parent_{nullptr};
   float multiply_by_{1.0};
   bool use_write_multiple_{false};
 };

esphome/components/modbus_controller/output/modbus_output.cpp

@@ -27,7 +27,7 @@ void ModbusFloatOutput::write_state(float value) {
       return;
     }
   } else {
-    value = multiply_by_ * value;
+    value = this->multiply_by_ * value;
   }
   // lambda didn't set payload
   if (data.empty()) {
@@ -40,12 +40,13 @@ void ModbusFloatOutput::write_state(float value) {
   // Create and send the write command
   ModbusCommandItem write_cmd;
   if (this->register_count == 1 && !this->use_write_multiple_) {
-    write_cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset, data[0]);
+    write_cmd =
+        ModbusCommandItem::create_write_single_command(this->parent_, this->start_address + this->offset, data[0]);
   } else {
-    write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset,
+    write_cmd = ModbusCommandItem::create_write_multiple_command(this->parent_, this->start_address + this->offset,
                                                                  this->register_count, data);
   }
-  parent_->queue_command(write_cmd);
+  this->parent_->queue_command(write_cmd);
 }
 
 void ModbusFloatOutput::dump_config() {
@@ -90,9 +91,9 @@ void ModbusBinaryOutput::write_state(bool state) {
     // offset for coil and discrete inputs is the coil/register number not bytes
     if (this->use_write_multiple_) {
       std::vector<bool> states{state};
-      cmd = ModbusCommandItem::create_write_multiple_coils(parent_, this->start_address + this->offset, states);
+      cmd = ModbusCommandItem::create_write_multiple_coils(this->parent_, this->start_address + this->offset, states);
     } else {
-      cmd = ModbusCommandItem::create_write_single_coil(parent_, this->start_address + this->offset, state);
+      cmd = ModbusCommandItem::create_write_single_coil(this->parent_, this->start_address + this->offset, state);
     }
   }
   this->parent_->queue_command(cmd);

esphome/components/modbus_controller/output/modbus_output.h

@@ -25,7 +25,7 @@ class ModbusFloatOutput : public output::FloatOutput, public Component, public S
   void dump_config() override;
 
   void set_parent(ModbusController *parent) { this->parent_ = parent; }
-  void set_write_multiply(float factor) { multiply_by_ = factor; }
+  void set_write_multiply(float factor) { this->multiply_by_ = factor; }
   // Do nothing
   void parse_and_publish(const std::vector<uint8_t> &data) override{};
 
@@ -37,9 +37,9 @@ class ModbusFloatOutput : public output::FloatOutput, public Component, public S
   void write_state(float value) override;
   optional<write_transform_func_t> write_transform_func_{nullopt};
 
-  ModbusController *parent_;
+  ModbusController *parent_{nullptr};
   float multiply_by_{1.0};
-  bool use_write_multiple_;
+  bool use_write_multiple_{false};
 };
 
 class ModbusBinaryOutput : public output::BinaryOutput, public Component, public SensorItem {
@@ -68,8 +68,8 @@ class ModbusBinaryOutput : public output::BinaryOutput, public Component, public
   void write_state(bool state) override;
   optional<write_transform_func_t> write_transform_func_{nullopt};
 
-  ModbusController *parent_;
-  bool use_write_multiple_;
+  ModbusController *parent_{nullptr};
+  bool use_write_multiple_{false};
 };
 
 }  // namespace modbus_controller

esphome/components/modbus_controller/select/modbus_select.cpp

@@ -74,12 +74,13 @@ void ModbusSelect::control(const std::string &value) {
   const uint16_t write_address = this->start_address + this->offset / 2;
   ModbusCommandItem write_cmd;
   if ((this->register_count == 1) && (!this->use_write_multiple_)) {
-    write_cmd = ModbusCommandItem::create_write_single_command(parent_, write_address, data[0]);
+    write_cmd = ModbusCommandItem::create_write_single_command(this->parent_, write_address, data[0]);
   } else {
-    write_cmd = ModbusCommandItem::create_write_multiple_command(parent_, write_address, this->register_count, data);
+    write_cmd =
+        ModbusCommandItem::create_write_multiple_command(this->parent_, write_address, this->register_count, data);
   }
 
-  parent_->queue_command(write_cmd);
+  this->parent_->queue_command(write_cmd);
 
   if (this->optimistic_)
     this->publish_state(value);

esphome/components/modbus_controller/select/modbus_select.h

@@ -42,12 +42,12 @@ class ModbusSelect : public Component, public select::Select, public SensorItem
   void control(const std::string &value) override;
 
  protected:
-  std::vector<int64_t> mapping_;
-  ModbusController *parent_;
+  std::vector<int64_t> mapping_{};
+  ModbusController *parent_{nullptr};
   bool use_write_multiple_{false};
   bool optimistic_{false};
-  optional<transform_func_t> transform_func_;
-  optional<write_transform_func_t> write_transform_func_;
+  optional<transform_func_t> transform_func_{nullopt};
+  optional<write_transform_func_t> write_transform_func_{nullopt};
 };
 
 }  // namespace modbus_controller

esphome/components/modbus_controller/switch/modbus_switch.cpp

@@ -80,18 +80,18 @@ void ModbusSwitch::write_state(bool state) {
       // offset for coil and discrete inputs is the coil/register number not bytes
       if (this->use_write_multiple_) {
         std::vector<bool> states{state};
-        cmd = ModbusCommandItem::create_write_multiple_coils(parent_, this->start_address + this->offset, states);
+        cmd = ModbusCommandItem::create_write_multiple_coils(this->parent_, this->start_address + this->offset, states);
       } else {
-        cmd = ModbusCommandItem::create_write_single_coil(parent_, this->start_address + this->offset, state);
+        cmd = ModbusCommandItem::create_write_single_coil(this->parent_, this->start_address + this->offset, state);
       }
     } else {
       // since offset is in bytes and a register is 16 bits we get the start by adding offset/2
       if (this->use_write_multiple_) {
         std::vector<uint16_t> bool_states(1, state ? (0xFFFF & this->bitmask) : 0);
-        cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2, 1,
+        cmd = ModbusCommandItem::create_write_multiple_command(this->parent_, this->start_address + this->offset / 2, 1,
                                                                bool_states);
       } else {
-        cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2,
+        cmd = ModbusCommandItem::create_write_single_command(this->parent_, this->start_address + this->offset / 2,
                                                              state ? 0xFFFF & this->bitmask : 0u);
       }
     }

esphome/components/modbus_controller/switch/modbus_switch.h

@@ -40,8 +40,8 @@ class ModbusSwitch : public Component, public switch_::Switch, public SensorItem
   void set_use_write_mutiple(bool use_write_multiple) { this->use_write_multiple_ = use_write_multiple; }
 
  protected:
-  ModbusController *parent_;
-  bool use_write_multiple_;
+  ModbusController *parent_{nullptr};
+  bool use_write_multiple_{false};
   optional<transform_func_t> publish_transform_func_{nullopt};
   optional<write_transform_func_t> write_transform_func_{nullopt};
 };