Refactor Panasonic Heatpump component: unify response byte retrieval method names and improve UART handling comments

This commit is contained in:
ElVit 2026-02-24 20:05:07 +01:00
parent 1c99601dc9
commit 4badb5b485
5 changed files with 142 additions and 127 deletions

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@ -624,7 +624,7 @@ sensor:
unit_of_measurement: °C unit_of_measurement: °C
lambda: |- lambda: |-
// get the requried byte // get the requried byte
int byte = my_heatpump->getResponseByte(46); int byte = my_heatpump->get_response_byte(46);
// a valid byte range is 0x00-0xFF // a valid byte range is 0x00-0xFF
// do not update if the byte is invalid // do not update if the byte is invalid
if (byte < 0) return {}; if (byte < 0) return {};
@ -638,7 +638,7 @@ text_sensor:
update_interval: 3s update_interval: 3s
lambda: |- lambda: |-
// get the requried byte // get the requried byte
int byte = my_heatpump->getResponseByte(9); int byte = my_heatpump->get_response_byte(9);
// a valid byte range is 0x00-0xFF // a valid byte range is 0x00-0xFF
// do not update if the byte is invalid // do not update if the byte is invalid
if (byte < 0) return {}; if (byte < 0) return {};

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@ -31,7 +31,7 @@ climate::ClimateTraits PanasonicHeatpumpClimate::traits() {
void PanasonicHeatpumpClimate::control(const climate::ClimateCall& call) { void PanasonicHeatpumpClimate::control(const climate::ClimateCall& call) {
if (call.get_mode().has_value()) { if (call.get_mode().has_value()) {
int byte6 = this->parent_->getResponseByte(6); int byte6 = this->parent_->get_response_byte(6);
if (byte6 >= 0) { if (byte6 >= 0) {
climate::ClimateMode new_mode = *call.get_mode(); climate::ClimateMode new_mode = *call.get_mode();
uint8_t newByte6 = this->setClimateMode(new_mode, (uint8_t)byte6); uint8_t newByte6 = this->setClimateMode(new_mode, (uint8_t)byte6);

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@ -40,7 +40,6 @@ void PanasonicHeatpumpComponent::setup() {
); );
} }
// Disable any self-initiated traffic if uart_client_timeout_ is used as "disable" criterion.
if (this->uart_client_ != nullptr && this->uart_client_timeout_ < 100) { if (this->uart_client_ != nullptr && this->uart_client_timeout_ < 100) {
ESP_LOGI(TAG, "Self polling disabled (uart_client_timeout_ < 100ms). Not sending initial request."); ESP_LOGI(TAG, "Self polling disabled (uart_client_timeout_ < 100ms). Not sending initial request.");
return; return;
@ -48,11 +47,12 @@ void PanasonicHeatpumpComponent::setup() {
} }
void PanasonicHeatpumpComponent::update() { void PanasonicHeatpumpComponent::update() {
// Hard disable: never poll if uart_client_timeout_ < 100ms and a client exists // Do not send polling requests if a uart client (CZ-TAW1) is configured and timeout is set too low.
if (this->uart_client_ != nullptr && this->uart_client_timeout_ < 100) { if (this->uart_client_ != nullptr && this->uart_client_timeout_ < 100)
return; return;
}
// If a uart client (CZ-TAW1) is configured, check if the last request from the client is too long ago.
// If so, send polling request to heatpump again.
if (this->uart_client_ != nullptr && !this->uart_client_timeout_exceeded_) { if (this->uart_client_ != nullptr && !this->uart_client_timeout_exceeded_) {
if (millis() - this->last_client_request_time_ > uart_client_timeout_) if (millis() - this->last_client_request_time_ > uart_client_timeout_)
this->uart_client_timeout_exceeded_ = true; this->uart_client_timeout_exceeded_ = true;
@ -61,14 +61,13 @@ void PanasonicHeatpumpComponent::update() {
} }
ESP_LOGD(TAG, "Queue polling request"); ESP_LOGD(TAG, "Queue polling request");
this->queue_request(message_build(PanasonicCommand::PollingMessage)); this->queue_request(build_message(PanasonicCommand::PollingMessage));
} }
void PanasonicHeatpumpComponent::loop() { void PanasonicHeatpumpComponent::loop() {
switch (this->loop_state_) { switch (this->loop_state_) {
case LoopState::PROCESS_RESPONSE: { case LoopState::READ_RESPONSE: {
auto current_response = this->process_response(); switch (this->read_response()) {
switch (current_response) {
case ResponseType::STANDARD: case ResponseType::STANDARD:
this->loop_state_ = LoopState::PUBLISH_SENSOR; this->loop_state_ = LoopState::PUBLISH_SENSOR;
break; break;
@ -139,7 +138,7 @@ void PanasonicHeatpumpComponent::loop() {
this->send_request(); this->send_request();
// fallthrough // fallthrough
default: default:
this->loop_state_ = LoopState::PROCESS_RESPONSE; this->loop_state_ = LoopState::READ_RESPONSE;
break; break;
}; };
} }
@ -150,11 +149,11 @@ void PanasonicHeatpumpComponent::uart_task(void* pvParameters) {
rx_buffer.reserve(256); rx_buffer.reserve(256);
while (true) { while (true) {
// We process the data from the primary interface // Process the data from the UART interface connected to the heatpump
if (self->receive_from_uart(self->parent_, rx_buffer)) { if (self->receive_from_uart(self->parent_, rx_buffer)) {
auto* message = new std::vector<uint8_t>(rx_buffer); auto* message = new std::vector<uint8_t>(rx_buffer);
if (xQueueSend(self->response_queue_handle_, &message, 0) != pdPASS) { if (xQueueSend(self->response_queue_handle_, &message, 0) != pdPASS) {
ESP_LOGW(TAG, "Response queue full, dropping heatpump packet"); ESP_LOGW(TAG, "Response queue full or unavailable, dropping message");
delete message; delete message;
} }
// ... and pass on a copy to CZ-TAW1 // ... and pass on a copy to CZ-TAW1
@ -173,11 +172,11 @@ void PanasonicHeatpumpComponent::uart_client_task(void* pvParameters) {
rx_buffer.reserve(256); rx_buffer.reserve(256);
while (true) { while (true) {
// We process the data from the client interface // Process the data from the UART interface connected to the client (CZ-TAW1)
if (self->receive_from_uart(self->uart_client_, rx_buffer)) { if (self->receive_from_uart(self->uart_client_, rx_buffer)) {
auto* message = new std::vector<uint8_t>(rx_buffer); auto* message = new std::vector<uint8_t>(rx_buffer);
if (xQueueSend(self->request_queue_handle_, &message, 0) != pdPASS) { if (xQueueSend(self->request_queue_handle_, &message, 0) != pdPASS) {
ESP_LOGW(TAG, "Request queue full, dropping CZ-TAW packet"); ESP_LOGW(TAG, "Request queue full or unavailable, dropping message");
delete message; delete message;
} }
self->last_client_request_time_ = millis(); self->last_client_request_time_ = millis();
@ -188,13 +187,15 @@ void PanasonicHeatpumpComponent::uart_client_task(void* pvParameters) {
} }
} }
// used for both uart interfaces // Used for both uart interfaces
bool PanasonicHeatpumpComponent::receive_from_uart(uart::UARTComponent* uartComp, std::vector<uint8_t>& buffer) { bool PanasonicHeatpumpComponent::receive_from_uart(uart::UARTComponent* uartComp, std::vector<uint8_t>& buffer) {
uint8_t start_byte; uint8_t start_byte;
// We are in a separate thread, waiting to receive a byte
// Wait for the start byte to be available
while (!uartComp->available()) while (!uartComp->available())
vTaskDelay(pdMS_TO_TICKS(5)); vTaskDelay(pdMS_TO_TICKS(5));
// Read the first byte
if (!uartComp->read_byte(&start_byte)) if (!uartComp->read_byte(&start_byte))
return false; return false;
@ -203,27 +204,24 @@ bool PanasonicHeatpumpComponent::receive_from_uart(uart::UARTComponent* uartComp
return false; return false;
} }
// packet starts, clear buffer // Prepare buffer for header reading, header is 4 bytes long and first byte is already read.
// Message may be up to 256 bytes long, so reserve enough space to avoid dynamic resizing during reading.
buffer.clear(); buffer.clear();
buffer.reserve(256); // reserve space for the whole packet buffer.reserve(256);
// read whole header
buffer.resize(HEADER_SIZE); buffer.resize(HEADER_SIZE);
// insert start byte
buffer[0] = start_byte; buffer[0] = start_byte;
// read the rest of the header
// Read the rest of the header
if (uartComp->available() < HEADER_SIZE - 1) if (uartComp->available() < HEADER_SIZE - 1)
vTaskDelay(pdMS_TO_TICKS(5)); vTaskDelay(pdMS_TO_TICKS(5));
auto succeed = uartComp->read_array(&buffer[1], HEADER_SIZE - 1); auto succeed = uartComp->read_array(&buffer[1], HEADER_SIZE - 1);
if (!(succeed && is_valid_header(buffer))) {
ESP_LOGD(TAG, "Wrong Packet Header...");
// timeout, start over
return false;
}
// got header ... read the rest of the packet // Verify header (start byte, message type and length)
size_t total_expected = get_packet_size(buffer); if (!verify_message_header(buffer, succeed))
return false;
// Read the rest of the message according to the length specified in the header
size_t total_expected = buffer[1] + 3;
size_t remaining = total_expected - buffer.size(); size_t remaining = total_expected - buffer.size();
while (remaining > 0) { while (remaining > 0) {
@ -233,33 +231,97 @@ bool PanasonicHeatpumpComponent::receive_from_uart(uart::UARTComponent* uartComp
if (uartComp->available() < to_read) if (uartComp->available() < to_read)
vTaskDelay(pdMS_TO_TICKS(10)); vTaskDelay(pdMS_TO_TICKS(10));
if (!uartComp->read_array(&buffer[current_size], to_read)) { if (!uartComp->read_array(&buffer[current_size], to_read)) {
// timeout ESP_LOGW(TAG, "Timeout while reading message body");
return false; return false;
} }
remaining -= to_read; remaining -= to_read;
} }
// packet is complete, verify checksum // Verify checksum (should be 0 if all bytes are summed up)
uint8_t checksum = 0; if (!verify_message_checksum(buffer)) {
for (const auto b : buffer)
checksum += b;
if (checksum != 0) {
ESP_LOGW(TAG, "Invalid message: wrong checksum");
return false; return false;
} }
// packet complete
// message is complete
return true; return true;
} }
bool PanasonicHeatpumpComponent::is_valid_header(const std::vector<uint8_t>& frame) { bool PanasonicHeatpumpComponent::verify_message_header(const std::vector<uint8_t>& message, bool reading_succeeded) {
return frame.size() >= HEADER_SIZE // is it a complete header? if (!reading_succeeded) {
&& (frame[2] == 0x01 || frame[2] == 0x10) // 3. byte shall be 0x01 or 0x10 ESP_LOGW(TAG, "Timeout while reading message header");
&& (frame[3] == 0x01 || frame[3] == 0x10 || frame[3] == 0x21); // 4. byte shall be 0x01, 0x10 or 0x21 return false;
}
if (message.size() < HEADER_SIZE) {
ESP_LOGW(TAG, "Message too short to contain valid header");
return false;
}
if ((message[2] != 0x01 && message[2] != 0x10) || // 3. byte shall be 0x01 or 0x10
(message[3] != 0x01 && message[3] != 0x10 && message[3] != 0x21)) { // 4. byte shall be 0x01, 0x10 or 0x21
ESP_LOGW(TAG, "Invalid message header: 0x%s. Drop message.",
PanasonicHelpers::byte_array_to_hex_string(message, ',').c_str());
return false;
}
return true;
} }
uint8_t PanasonicHeatpumpComponent::get_packet_size(const std::vector<uint8_t>& frame) { bool PanasonicHeatpumpComponent::verify_message_checksum(const std::vector<uint8_t>& message) {
return frame[1] + 3; // three more than stated in the header uint8_t checksum = 0;
for (const auto b : message)
checksum += b;
if (checksum != 0) {
ESP_LOGW(TAG, "Invalid message checksum: 0x%02X. Last byte: 0x%02X", checksum, message.back());
return false;
}
return true;
}
ResponseType PanasonicHeatpumpComponent::read_response() {
// Get message from queue
std::vector<uint8_t>* message{nullptr};
if (xQueueReceive(this->response_queue_handle_, &message, 0) != pdPASS || message == nullptr) {
return ResponseType::UNKNOWN; // nothing queued
}
PanasonicHelpers::write_uart_log(UART_LOG_RX, *message, ',', this->log_uart_msg_);
if (!this->check_response_length(*message)) {
delete message;
return ResponseType::UNKNOWN;
}
// Get response type and save the response
auto responseType = ResponseType::UNKNOWN;
if (message->at(3) == 0x10) {
responseType = ResponseType::STANDARD;
this->heatpump_default_message_ = std::move(*message);
// Is an extra request required?
if (message->at(199) > 0x02) {
ESP_LOGD(TAG, "Queue extra polling request");
this->queue_request(build_message(PanasonicCommand::PollingExtraMessage));
}
} else if (message->at(3) == 0x21) {
responseType = ResponseType::EXTRA;
this->heatpump_extra_message_ = std::move(*message);
}
delete message;
return responseType;
}
bool PanasonicHeatpumpComponent::check_response_length(const std::vector<uint8_t>& message) {
// Read response message:
// format: 0x71 [payload_length] 0x01 [0x10 || 0x21] [[TOP0 - TOP114] ...] 0x00 [checksum]
// payload_length: payload_length + 3 = packet_length
// checksum: if (sum(all bytes) & 0xFF == 0) ==> valid packet
if (message.size() == RESPONSE_MSG_SIZE)
return true;
ESP_LOGW(TAG, "Invalid response message length: recieved %d - expected %d", message.size(), RESPONSE_MSG_SIZE);
return false;
} }
void PanasonicHeatpumpComponent::send_request() { void PanasonicHeatpumpComponent::send_request() {
@ -268,78 +330,21 @@ void PanasonicHeatpumpComponent::send_request() {
return; return;
} }
std::vector<uint8_t>* cmd_ptr{nullptr}; // Get message from queue
if (xQueueReceive(this->request_queue_handle_, &cmd_ptr, 0) != pdPASS || cmd_ptr == nullptr) { std::vector<uint8_t>* message{nullptr};
if (xQueueReceive(this->request_queue_handle_, &message, 0) != pdPASS || message == nullptr) {
return; // nothing queued return; // nothing queued
} }
PanasonicHelpers::write_uart_log(UART_LOG_TX, *cmd_ptr, ',', this->log_uart_msg_); PanasonicHelpers::write_uart_log(UART_LOG_TX, *message, ',', this->log_uart_msg_);
// Send vector content over UART (robust API usage) // Send vector content over UART (robust API usage)
this->write_array(cmd_ptr->data(), cmd_ptr->size()); this->write_array(message->data(), message->size());
delete cmd_ptr; delete message;
request_send_time_ = millis(); request_send_time_ = millis();
} }
void PanasonicHeatpumpComponent::queue_request(const std::vector<uint8_t>& message) {
auto* cmd = new std::vector<uint8_t>(message);
// Check request_queue_handle_, function is called before setup() initializes it!
if (this->request_queue_handle_ == nullptr || xQueueSend(this->request_queue_handle_, &cmd, 0) != pdPASS) {
ESP_LOGW(TAG, "Request queue unavailable or full, dropping packet");
delete cmd;
}
}
ResponseType PanasonicHeatpumpComponent::process_response() {
// Check if it is a new response and dequeue it for loop processing
std::vector<uint8_t>* response_ptr{nullptr};
if (xQueueReceive(this->response_queue_handle_, &response_ptr, 0) != pdPASS || response_ptr == nullptr) {
// no response to process, try to send next request
return ResponseType::UNKNOWN;
}
PanasonicHelpers::write_uart_log(UART_LOG_RX, *response_ptr, ',', this->log_uart_msg_);
auto current_response = this->check_response(*response_ptr);
if (current_response == ResponseType::STANDARD) {
this->heatpump_default_message_ = std::move(*response_ptr);
} else if (current_response == ResponseType::EXTRA) {
this->heatpump_extra_message_ = std::move(*response_ptr);
}
delete response_ptr;
return current_response;
}
ResponseType PanasonicHeatpumpComponent::check_response(const std::vector<uint8_t>& data) {
// Read response message:
// format: 0x71 [payload_length] 0x01 [0x10 || 0x21] [[TOP0 - TOP114] ...] 0x00 [checksum]
// payload_length: payload_length + 3 = packet_length
// checksum: if (sum(all bytes) & 0xFF == 0) ==> valid packet
if (data.size() != RESPONSE_MSG_SIZE) {
ESP_LOGW(TAG, "Invalid response message length: recieved %d - expected %d", data.size(), RESPONSE_MSG_SIZE);
return ResponseType::UNKNOWN;
}
// Get response type and save the response
auto responseType = ResponseType::UNKNOWN;
if (data[3] == 0x10) {
responseType = ResponseType::STANDARD;
// is an extra request required?
if (data[199] > 0x02) {
ESP_LOGD(TAG, "Queue extra polling request");
this->queue_request(message_build(PanasonicCommand::PollingExtraMessage));
}
} else if (data[3] == 0x21) {
responseType = ResponseType::EXTRA;
}
return responseType;
}
void PanasonicHeatpumpComponent::set_command_high_nibble(const uint8_t value, const uint8_t index) { void PanasonicHeatpumpComponent::set_command_high_nibble(const uint8_t value, const uint8_t index) {
this->command_message_ = message_build(PanasonicCommand::CommandMessage); this->command_message_ = build_message(PanasonicCommand::CommandMessage);
uint8_t lowNibble = this->heatpump_default_message_[index] & 0b1111; uint8_t lowNibble = this->heatpump_default_message_[index] & 0b1111;
uint8_t highNibble = value << 4; uint8_t highNibble = value << 4;
@ -354,7 +359,7 @@ void PanasonicHeatpumpComponent::set_command_high_nibble(const uint8_t value, co
} }
void PanasonicHeatpumpComponent::set_command_low_nibble(const uint8_t value, const uint8_t index) { void PanasonicHeatpumpComponent::set_command_low_nibble(const uint8_t value, const uint8_t index) {
this->command_message_ = message_build(PanasonicCommand::CommandMessage); this->command_message_ = build_message(PanasonicCommand::CommandMessage);
uint8_t highNibble = this->heatpump_default_message_[index] & 0b11110000; uint8_t highNibble = this->heatpump_default_message_[index] & 0b11110000;
uint8_t lowNibble = value & 0b1111; uint8_t lowNibble = value & 0b1111;
@ -369,7 +374,7 @@ void PanasonicHeatpumpComponent::set_command_low_nibble(const uint8_t value, con
} }
void PanasonicHeatpumpComponent::set_command_byte(const uint8_t value, const uint8_t index) { void PanasonicHeatpumpComponent::set_command_byte(const uint8_t value, const uint8_t index) {
this->command_message_ = message_build(PanasonicCommand::CommandMessage); this->command_message_ = build_message(PanasonicCommand::CommandMessage);
// set command byte // set command byte
this->command_message_[index] = value; this->command_message_[index] = value;
@ -382,7 +387,7 @@ void PanasonicHeatpumpComponent::set_command_byte(const uint8_t value, const uin
} }
void PanasonicHeatpumpComponent::set_command_curve(const uint8_t value, const uint8_t index) { void PanasonicHeatpumpComponent::set_command_curve(const uint8_t value, const uint8_t index) {
this->command_message_ = message_build(PanasonicCommand::CommandMessage); this->command_message_ = build_message(PanasonicCommand::CommandMessage);
// Set zone 1 curve bytes // Set zone 1 curve bytes
if (index == 75 || index == 76 || index == 77 || index == 78 || index == 86 || index == 87 || index == 88 || if (index == 75 || index == 76 || index == 77 || index == 78 || index == 86 || index == 87 || index == 88 ||
@ -419,15 +424,25 @@ void PanasonicHeatpumpComponent::set_command_curve(const uint8_t value, const ui
this->queue_request(this->command_message_); this->queue_request(this->command_message_);
} }
void PanasonicHeatpumpComponent::queue_request(const std::vector<uint8_t>& message) {
auto* cmd = new std::vector<uint8_t>(message);
// Check request_queue_handle_, function is called before setup() initializes it!
if (this->request_queue_handle_ == nullptr || xQueueSend(this->request_queue_handle_, &cmd, 0) != pdPASS) {
ESP_LOGW(TAG, "Request queue full or unavailable, dropping message");
delete cmd;
}
}
// This function can be used in esphome lambda to get a specific byte // This function can be used in esphome lambda to get a specific byte
int PanasonicHeatpumpComponent::getResponseByte(const int index) { int PanasonicHeatpumpComponent::get_response_byte(const int index) {
if (this->heatpump_default_message_.size() > index) if (this->heatpump_default_message_.size() > index)
return this->heatpump_default_message_[index]; return this->heatpump_default_message_[index];
return -1; return -1;
} }
// This function can be used in esphome lambda to get a specific byte // This function can be used in esphome lambda to get a specific byte
int PanasonicHeatpumpComponent::getExtraResponseByte(const int index) { int PanasonicHeatpumpComponent::get_extra_response_byte(const int index) {
if (this->heatpump_extra_message_.size() > index) if (this->heatpump_extra_message_.size() > index)
return this->heatpump_extra_message_[index]; return this->heatpump_extra_message_[index];
return -1; return -1;

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@ -18,7 +18,7 @@
namespace esphome { namespace esphome {
namespace panasonic_heatpump { namespace panasonic_heatpump {
enum LoopState : uint8_t { enum LoopState : uint8_t {
PROCESS_RESPONSE, READ_RESPONSE,
PUBLISH_SENSOR, PUBLISH_SENSOR,
PUBLISH_BINARY_SENSOR, PUBLISH_BINARY_SENSOR,
PUBLISH_TEXT_SENSOR, PUBLISH_TEXT_SENSOR,
@ -80,8 +80,8 @@ class PanasonicHeatpumpComponent : public PollingComponent, public uart::UARTDev
this->log_uart_msg_ = active; this->log_uart_msg_ = active;
} }
// functions to use in esphome lambda // functions to use in esphome lambda
int getResponseByte(const int index); int get_response_byte(const int index);
int getExtraResponseByte(const int index); int get_extra_response_byte(const int index);
// command functions // command functions
void set_command_high_nibble(const uint8_t value, const uint8_t index); void set_command_high_nibble(const uint8_t value, const uint8_t index);
void set_command_low_nibble(const uint8_t value, const uint8_t index); void set_command_low_nibble(const uint8_t value, const uint8_t index);
@ -123,9 +123,9 @@ class PanasonicHeatpumpComponent : public PollingComponent, public uart::UARTDev
// options variables // options variables
bool log_uart_msg_{false}; bool log_uart_msg_{false};
uint32_t last_client_request_time_{0}; uint32_t last_client_request_time_{0};
const uint32_t REQUEST_SEND_INTERVAL{250}; // 250ms = 0.25s uint32_t uart_client_timeout_{10000}; // 10 sec
uint32_t request_send_time_{5000}; // transmit first request 5000ms = 5s after startup uint32_t request_send_time_{5000}; // 5 sec --> default is 5 sec so first request is not sent too fast after startup
uint32_t uart_client_timeout_{10000}; // 10000ms = 10s static const uint32_t REQUEST_SEND_INTERVAL{250}; // 250 ms
static const size_t HEADER_SIZE = 4; static const size_t HEADER_SIZE = 4;
// uart message variables, process in main loop // uart message variables, process in main loop
@ -158,13 +158,13 @@ class PanasonicHeatpumpComponent : public PollingComponent, public uart::UARTDev
void send_request(); void send_request();
void queue_request(const std::vector<uint8_t>& message); void queue_request(const std::vector<uint8_t>& message);
ResponseType process_response(); ResponseType read_response();
ResponseType check_response(const std::vector<uint8_t>& data); static bool check_response_length(const std::vector<uint8_t>& message);
static bool is_valid_header(const std::vector<uint8_t>& frame); static bool verify_message_header(const std::vector<uint8_t>& message, bool reading_succeeded);
static uint8_t get_packet_size(const std::vector<uint8_t>& frame); static bool verify_message_checksum(const std::vector<uint8_t>& message);
template <size_t N> template <size_t N>
static std::vector<uint8_t> message_build(const uint8_t (&msg)[N]) { static std::vector<uint8_t> build_message(const uint8_t (&msg)[N]) {
return std::vector<uint8_t>(msg, msg + N); return std::vector<uint8_t>(msg, msg + N);
} }
}; };

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@ -23,7 +23,7 @@ water_heater::WaterHeaterTraits PanasonicHeatpumpWaterHeater::traits() {
void PanasonicHeatpumpWaterHeater::control(const water_heater::WaterHeaterCall& call) { void PanasonicHeatpumpWaterHeater::control(const water_heater::WaterHeaterCall& call) {
if (call.get_mode().has_value()) { if (call.get_mode().has_value()) {
int byte6 = this->parent_->getResponseByte(6); int byte6 = this->parent_->get_response_byte(6);
if (byte6 >= 0) { if (byte6 >= 0) {
water_heater::WaterHeaterMode new_mode = *call.get_mode(); water_heater::WaterHeaterMode new_mode = *call.get_mode();
uint8_t newByte6 = this->setWaterHeaterMode(new_mode, (uint8_t)byte6); uint8_t newByte6 = this->setWaterHeaterMode(new_mode, (uint8_t)byte6);