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https://github.com/esphome/esphome.git
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DALY Modbus BMS: split data request into two requests
This commit is contained in:
patagona
parent
206562bebf
commit
2f6d552589
3 changed files with 140 additions and 90 deletions
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@ -13,6 +13,12 @@ static const char *const TAG = "daly_hkms_bms";
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static const uint8_t DALY_MODBUS_REQUEST_ADDRESS_OFFSET = 0x80;
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static const uint8_t DALY_MODBUS_RESPONSE_ADDRESS_OFFSET = 0x50;
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static const uint8_t DALY_MODBUS_READ_CELL_VOLTAGES_ADDR = DALY_MODBUS_ADDR_CELL_VOLT_1;
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static const uint8_t DALY_MODBUS_READ_CELL_VOLTAGES_LENGTH = 16; // 16 cell voltages
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static const uint8_t DALY_MODBUS_READ_DATA_ADDR = DALY_MODBUS_ADDR_CELL_TEMP_1;
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static const uint8_t DALY_MODBUS_READ_DATA_LENGTH = DALY_MODBUS_REGISTER_MAX - DALY_MODBUS_ADDR_CELL_TEMP_1 + 1;
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static const uint8_t MODBUS_CMD_READ_HOLDING_REGISTERS = 0x03;
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void DalyHkmsBmsComponent::set_daly_address(uint8_t daly_address) {
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@ -25,13 +31,10 @@ void DalyHkmsBmsComponent::set_daly_address(uint8_t daly_address) {
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}
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void DalyHkmsBmsComponent::loop() {
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// If update() was unable to send we retry until we can send.
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if (!this->waiting_to_update_)
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if (this->read_state_ == ReadState::IDLE) {
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return;
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update();
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}
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}
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void DalyHkmsBmsComponent::update() {
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// If our last send has had no reply yet, and it wasn't that long ago, do nothing.
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uint32_t now = millis();
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if (now - this->last_send_ < this->get_update_interval() / 2) {
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@ -40,25 +43,43 @@ void DalyHkmsBmsComponent::update() {
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// The bus might be slow, or there might be other devices, or other components might be talking to our device.
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if (this->waiting_for_response()) {
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this->waiting_to_update_ = true;
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return;
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}
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this->waiting_to_update_ = false;
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uint8_t start_address;
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uint8_t register_count;
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switch (this->read_state_)
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{
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case ReadState::READ_CELL_VOLTAGES:
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start_address = DALY_MODBUS_READ_CELL_VOLTAGES_ADDR;
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register_count = DALY_MODBUS_READ_CELL_VOLTAGES_LENGTH;
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break;
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case ReadState::READ_DATA:
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start_address = DALY_MODBUS_READ_DATA_ADDR;
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register_count = DALY_MODBUS_READ_DATA_LENGTH;
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break;
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default:
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return;
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}
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ESP_LOGD(TAG, "Sending modbus read request to %d: start register %d, register count %d",
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this->daly_address_, start_address, register_count);
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// send the request using Modbus directly instead of ModbusDevice so we can send the data with the request address
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uint8_t modbus_request_address = this->daly_address_ + DALY_MODBUS_REQUEST_ADDRESS_OFFSET;
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this->parent_->send(
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modbus_request_address,
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MODBUS_CMD_READ_HOLDING_REGISTERS,
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0x00,
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DALY_MODBUS_REGISTER_COUNT,
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0,
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nullptr);
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uint8_t modbus_device_request_address = this->daly_address_ + DALY_MODBUS_REQUEST_ADDRESS_OFFSET;
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this->parent_->send(modbus_device_request_address, MODBUS_CMD_READ_HOLDING_REGISTERS, start_address, register_count,
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0, nullptr);
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this->last_send_ = millis();
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}
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void DalyHkmsBmsComponent::update() {
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if(this->read_state_ == ReadState::IDLE){
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this->read_state_ = ReadState::READ_CELL_VOLTAGES;
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}
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}
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void DalyHkmsBmsComponent::on_modbus_data(const std::vector<uint8_t> &data) {
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// Other components might be sending commands to our device. But we don't get called with enough
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// context to know what is what. So if we didn't do a send, we ignore the data.
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@ -68,18 +89,37 @@ void DalyHkmsBmsComponent::on_modbus_data(const std::vector<uint8_t> &data) {
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}
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this->last_send_ = 0;
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// Also ignore the data if the message is too short. Otherwise we will publish invalid values.
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if (data.size() < DALY_MODBUS_REGISTER_COUNT * 2) {
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ESP_LOGD(TAG, "Got modbus response: %d bytes", data.size());
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size_t register_count;
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size_t register_offset;
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switch (this->read_state_)
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{
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case ReadState::READ_CELL_VOLTAGES:
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register_offset = DALY_MODBUS_READ_CELL_VOLTAGES_ADDR;
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register_count = DALY_MODBUS_READ_CELL_VOLTAGES_LENGTH;
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break;
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case ReadState::READ_DATA:
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register_offset = DALY_MODBUS_READ_DATA_ADDR;
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register_count = DALY_MODBUS_READ_DATA_LENGTH;
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break;
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default:
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ESP_LOGE(TAG, "Invalid read state");
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return;
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}
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if (data.size() < register_count * 2) {
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ESP_LOGD(TAG, "Not enough data in modbus response");
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return;
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}
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auto get_register = [&](size_t i) -> uint16_t {
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return encode_uint16(data[i * 2], data[i * 2 + 1]);
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return encode_uint16(data[(i - register_offset) * 2], data[(i - register_offset) * 2 + 1]);
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};
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auto publish_sensor_state = [&](sensor::Sensor *sensor, size_t i, int16_t offset, float factor,
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int32_t unavailable_value = -1) -> void {
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auto publish_sensor_state = [&](sensor::Sensor *sensor, size_t i,
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int16_t offset, float factor, int32_t unavailable_value = -1) -> void {
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if (sensor == nullptr)
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return;
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uint16_t register_value = get_register(i);
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@ -87,91 +127,99 @@ void DalyHkmsBmsComponent::on_modbus_data(const std::vector<uint8_t> &data) {
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sensor->publish_state(value);
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};
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if (this->read_state_ == ReadState::READ_CELL_VOLTAGES) {
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#ifdef USE_SENSOR
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publish_sensor_state(this->cell_1_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 , 0, 0.001);
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publish_sensor_state(this->cell_2_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 1 , 0, 0.001);
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publish_sensor_state(this->cell_3_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 2 , 0, 0.001);
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publish_sensor_state(this->cell_4_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 3 , 0, 0.001);
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publish_sensor_state(this->cell_5_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 4 , 0, 0.001);
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publish_sensor_state(this->cell_6_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 5 , 0, 0.001);
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publish_sensor_state(this->cell_7_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 6 , 0, 0.001);
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publish_sensor_state(this->cell_8_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 7 , 0, 0.001);
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publish_sensor_state(this->cell_9_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 8 , 0, 0.001);
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publish_sensor_state(this->cell_10_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 9 , 0, 0.001);
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publish_sensor_state(this->cell_11_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 10, 0, 0.001);
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publish_sensor_state(this->cell_12_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 11, 0, 0.001);
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publish_sensor_state(this->cell_13_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 12, 0, 0.001);
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publish_sensor_state(this->cell_14_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 13, 0, 0.001);
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publish_sensor_state(this->cell_15_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 14, 0, 0.001);
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publish_sensor_state(this->cell_16_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 15, 0, 0.001);
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publish_sensor_state(this->cell_1_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 , 0, 0.001);
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publish_sensor_state(this->cell_2_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 1 , 0, 0.001);
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publish_sensor_state(this->cell_3_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 2 , 0, 0.001);
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publish_sensor_state(this->cell_4_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 3 , 0, 0.001);
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publish_sensor_state(this->cell_5_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 4 , 0, 0.001);
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publish_sensor_state(this->cell_6_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 5 , 0, 0.001);
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publish_sensor_state(this->cell_7_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 6 , 0, 0.001);
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publish_sensor_state(this->cell_8_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 7 , 0, 0.001);
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publish_sensor_state(this->cell_9_voltage_sensor_ , DALY_MODBUS_ADDR_CELL_VOLT_1 + 8 , 0, 0.001);
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publish_sensor_state(this->cell_10_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 9 , 0, 0.001);
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publish_sensor_state(this->cell_11_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 10, 0, 0.001);
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publish_sensor_state(this->cell_12_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 11, 0, 0.001);
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publish_sensor_state(this->cell_13_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 12, 0, 0.001);
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publish_sensor_state(this->cell_14_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 13, 0, 0.001);
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publish_sensor_state(this->cell_15_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 14, 0, 0.001);
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publish_sensor_state(this->cell_16_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_1 + 15, 0, 0.001);
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#endif
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publish_sensor_state(this->temperature_1_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 , -40, 1, 255);
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publish_sensor_state(this->temperature_2_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 1, -40, 1, 255);
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publish_sensor_state(this->temperature_3_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 2, -40, 1, 255);
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publish_sensor_state(this->temperature_4_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 3, -40, 1, 255);
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publish_sensor_state(this->temperature_5_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 4, -40, 1, 255);
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publish_sensor_state(this->temperature_6_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 5, -40, 1, 255);
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publish_sensor_state(this->temperature_7_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 6, -40, 1, 255);
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publish_sensor_state(this->temperature_8_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 7, -40, 1, 255);
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this->read_state_ = ReadState::READ_DATA;
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} else if (this->read_state_ == ReadState::READ_DATA) {
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#ifdef USE_SENSOR
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publish_sensor_state(this->temperature_1_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 , -40, 1, 255);
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publish_sensor_state(this->temperature_2_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 1, -40, 1, 255);
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publish_sensor_state(this->temperature_3_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 2, -40, 1, 255);
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publish_sensor_state(this->temperature_4_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 3, -40, 1, 255);
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publish_sensor_state(this->temperature_5_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 4, -40, 1, 255);
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publish_sensor_state(this->temperature_6_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 5, -40, 1, 255);
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publish_sensor_state(this->temperature_7_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 6, -40, 1, 255);
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publish_sensor_state(this->temperature_8_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_1 + 7, -40, 1, 255);
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publish_sensor_state(this->voltage_sensor_, DALY_MODBUS_ADDR_VOLT, 0, 0.1);
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publish_sensor_state(this->current_sensor_, DALY_MODBUS_ADDR_CURR, -30000, 0.1);
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publish_sensor_state(this->battery_level_sensor_, DALY_MODBUS_ADDR_SOC, 0, 0.1);
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publish_sensor_state(this->voltage_sensor_, DALY_MODBUS_ADDR_VOLT, 0, 0.1);
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publish_sensor_state(this->current_sensor_, DALY_MODBUS_ADDR_CURR, -30000, 0.1);
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publish_sensor_state(this->battery_level_sensor_, DALY_MODBUS_ADDR_SOC, 0, 0.1);
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publish_sensor_state(this->cells_number_sensor_, DALY_MODBUS_ADDR_CELL_COUNT, 0, 1);
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publish_sensor_state(this->temps_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_COUNT, 0, 1);
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publish_sensor_state(this->cells_number_sensor_, DALY_MODBUS_ADDR_CELL_COUNT, 0, 1);
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publish_sensor_state(this->temps_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_COUNT, 0, 1);
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publish_sensor_state(this->max_cell_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MAX, 0, 0.001);
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publish_sensor_state(this->max_cell_voltage_number_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MAX_NUM, 0, 1);
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publish_sensor_state(this->max_cell_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MAX, 0, 0.001);
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publish_sensor_state(this->max_cell_voltage_number_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MAX_NUM, 0, 1);
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publish_sensor_state(this->min_cell_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MIN, 0, 0.001);
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publish_sensor_state(this->min_cell_voltage_number_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MIN_NUM, 0, 1);
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publish_sensor_state(this->min_cell_voltage_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MIN, 0, 0.001);
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publish_sensor_state(this->min_cell_voltage_number_sensor_, DALY_MODBUS_ADDR_CELL_VOLT_MIN_NUM, 0, 1);
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publish_sensor_state(this->max_temperature_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MAX, -40, 1, 255);
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publish_sensor_state(this->max_temperature_probe_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MAX_NUM, 0, 1);
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publish_sensor_state(this->max_temperature_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MAX, -40, 1, 255);
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publish_sensor_state(this->max_temperature_probe_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MAX_NUM, 0, 1);
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publish_sensor_state(this->min_temperature_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MIN, -40, 1, 255);
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publish_sensor_state(this->min_temperature_probe_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MIN_NUM, 0, 1);
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publish_sensor_state(this->min_temperature_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MIN, -40, 1, 255);
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publish_sensor_state(this->min_temperature_probe_number_sensor_, DALY_MODBUS_ADDR_CELL_TEMP_MIN_NUM, 0, 1);
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publish_sensor_state(this->remaining_capacity_sensor_, DALY_MODBUS_ADDR_REMAINING_CAPACITY, 0, 0.1);
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publish_sensor_state(this->cycles_sensor_, DALY_MODBUS_ADDR_CYCLES, 0, 1);
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publish_sensor_state(this->remaining_capacity_sensor_, DALY_MODBUS_ADDR_REMAINING_CAPACITY, 0, 0.1);
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publish_sensor_state(this->cycles_sensor_, DALY_MODBUS_ADDR_CYCLES, 0, 1);
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publish_sensor_state(this->temperature_mos_sensor_, DALY_MODBUS_ADDR_MOS_TEMP, -40, 1, 255);
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publish_sensor_state(this->temperature_board_sensor_, DALY_MODBUS_ADDR_BOARD_TEMP, -40, 1, 255);
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publish_sensor_state(this->temperature_mos_sensor_, DALY_MODBUS_ADDR_MOS_TEMP, -40, 1, 255);
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publish_sensor_state(this->temperature_board_sensor_, DALY_MODBUS_ADDR_BOARD_TEMP, -40, 1, 255);
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#endif
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#ifdef USE_TEXT_SENSOR
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if (this->status_text_sensor_ != nullptr) {
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switch (get_register(DALY_MODBUS_ADDR_CHG_DSCHG_STATUS)) {
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case 0:
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this->status_text_sensor_->publish_state("Stationary");
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break;
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case 1:
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this->status_text_sensor_->publish_state("Charging");
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break;
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case 2:
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this->status_text_sensor_->publish_state("Discharging");
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break;
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default:
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break;
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if (this->status_text_sensor_ != nullptr) {
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switch (get_register(DALY_MODBUS_ADDR_CHG_DSCHG_STATUS)) {
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case 0:
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this->status_text_sensor_->publish_state("Stationary");
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break;
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case 1:
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this->status_text_sensor_->publish_state("Charging");
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break;
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case 2:
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this->status_text_sensor_->publish_state("Discharging");
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break;
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default:
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break;
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}
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}
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}
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#endif
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#ifdef USE_BINARY_SENSOR
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if (this->balancing_active_binary_sensor_) {
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this->balancing_active_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_BALANCE_STATUS) > 0);
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}
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if (this->charging_mos_enabled_binary_sensor_) {
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this->charging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_CHG_MOS_ACTIVE) > 0);
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}
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if (this->discharging_mos_enabled_binary_sensor_) {
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this->discharging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_DSCHG_MOS_ACTIVE) > 0);
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}
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if (this->precharging_mos_enabled_binary_sensor_) {
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this->precharging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_PRECHG_MOS_ACTIVE) > 0);
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}
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if (this->balancing_active_binary_sensor_) {
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this->balancing_active_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_BALANCE_STATUS) > 0);
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}
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if (this->charging_mos_enabled_binary_sensor_) {
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this->charging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_CHG_MOS_ACTIVE) > 0);
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}
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if (this->discharging_mos_enabled_binary_sensor_) {
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this->discharging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_DSCHG_MOS_ACTIVE) > 0);
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}
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if (this->precharging_mos_enabled_binary_sensor_) {
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this->precharging_mos_enabled_binary_sensor_->publish_state(get_register(DALY_MODBUS_ADDR_PRECHG_MOS_ACTIVE) > 0);
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}
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#endif
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this->read_state_ = ReadState::IDLE;
|
||||
}
|
||||
}
|
||||
|
||||
void DalyHkmsBmsComponent::dump_config() {
|
||||
|
|
|
|||
|
|
@ -87,6 +87,8 @@ class DalyHkmsBmsComponent : public PollingComponent, public modbus::ModbusDevic
|
|||
uint32_t last_send_;
|
||||
uint8_t daly_address_;
|
||||
|
||||
enum class ReadState{ READ_CELL_VOLTAGES, READ_DATA, IDLE } read_state_{ReadState::IDLE};
|
||||
|
||||
};
|
||||
|
||||
} // namespace daly_hkms_bms
|
||||
|
|
|
|||
|
|
@ -47,7 +47,7 @@ static const uint16_t DALY_MODBUS_ADDR_MOS_TEMP = 0x5A;
|
|||
static const uint16_t DALY_MODBUS_ADDR_BOARD_TEMP = 0x5B;
|
||||
static const uint16_t DALY_MODBUS_ADDR_HEATING_TEMP = 0x5C;
|
||||
|
||||
static const uint16_t DALY_MODBUS_REGISTER_COUNT = 0x5D;
|
||||
static const uint16_t DALY_MODBUS_REGISTER_MAX = 0x5C;
|
||||
|
||||
} // namespace daly_hkms_bms
|
||||
} // namespace esphome
|
||||
|
|
|
|||
Loading…
Reference in a new issue