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Add sun_gtil2 component (for SUN-1000G2 / SUN-2000G2 grid tie inverters) (#4958)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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Mat931 2024-03-21 03:23:30 +00:00 committed by GitHub
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1
CODEOWNERS
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@ -345,6 +345,7 @@ esphome/components/st7789v/* @kbx81
esphome/components/st7920/* @marsjan155
esphome/components/substitutions/* @esphome/core
esphome/components/sun/* @OttoWinter
esphome/components/sun_gtil2/* @Mat931
esphome/components/switch/* @esphome/core
esphome/components/t6615/* @tylermenezes
esphome/components/tca9548a/* @andreashergert1984

26
esphome/components/sun_gtil2/__init__.py Normal file
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import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import uart
from esphome.const import CONF_ID
CODEOWNERS = ["@Mat931"]
MULTI_CONF = True
DEPENDENCIES = ["uart"]
CONF_SUN_GTIL2_ID = "sun_gtil2_id"
sun_gtil2_ns = cg.esphome_ns.namespace("sun_gtil2")
SunGTIL2Component = sun_gtil2_ns.class_("SunGTIL2", cg.Component, uart.UARTDevice)
CONFIG_SCHEMA = cv.Schema(
{
cv.GenerateID(): cv.declare_id(SunGTIL2Component),
}
).extend(uart.UART_DEVICE_SCHEMA)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await uart.register_uart_device(var, config)

87
esphome/components/sun_gtil2/sensor.py Normal file
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import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import sensor
from esphome.const import (
DEVICE_CLASS_VOLTAGE,
DEVICE_CLASS_POWER,
DEVICE_CLASS_TEMPERATURE,
ICON_FLASH,
UNIT_VOLT,
ICON_THERMOMETER,
UNIT_WATT,
UNIT_CELSIUS,
CONF_TEMPERATURE,
)
from . import SunGTIL2Component, CONF_SUN_GTIL2_ID
CONF_AC_VOLTAGE = "ac_voltage"
CONF_DC_VOLTAGE = "dc_voltage"
CONF_AC_POWER = "ac_power"
CONF_DC_POWER = "dc_power"
CONF_LIMITER_POWER = "limiter_power"
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(CONF_SUN_GTIL2_ID): cv.use_id(SunGTIL2Component),
cv.Optional(CONF_AC_VOLTAGE): sensor.sensor_schema(
unit_of_measurement=UNIT_VOLT,
icon=ICON_FLASH,
accuracy_decimals=1,
device_class=DEVICE_CLASS_VOLTAGE,
),
cv.Optional(CONF_DC_VOLTAGE): sensor.sensor_schema(
unit_of_measurement=UNIT_VOLT,
icon=ICON_FLASH,
accuracy_decimals=1,
device_class=DEVICE_CLASS_VOLTAGE,
),
cv.Optional(CONF_AC_POWER): sensor.sensor_schema(
unit_of_measurement=UNIT_WATT,
icon=ICON_FLASH,
accuracy_decimals=1,
device_class=DEVICE_CLASS_POWER,
),
cv.Optional(CONF_DC_POWER): sensor.sensor_schema(
unit_of_measurement=UNIT_WATT,
icon=ICON_FLASH,
accuracy_decimals=1,
device_class=DEVICE_CLASS_POWER,
),
cv.Optional(CONF_LIMITER_POWER): sensor.sensor_schema(
unit_of_measurement=UNIT_WATT,
icon=ICON_FLASH,
accuracy_decimals=1,
device_class=DEVICE_CLASS_POWER,
),
cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
unit_of_measurement=UNIT_CELSIUS,
icon=ICON_THERMOMETER,
accuracy_decimals=1,
device_class=DEVICE_CLASS_TEMPERATURE,
),
}
).extend(cv.COMPONENT_SCHEMA)
)
async def to_code(config):
hub = await cg.get_variable(config[CONF_SUN_GTIL2_ID])
if ac_voltage_config := config.get(CONF_AC_VOLTAGE):
sens = await sensor.new_sensor(ac_voltage_config)
cg.add(hub.set_ac_voltage(sens))
if dc_voltage_config := config.get(CONF_DC_VOLTAGE):
sens = await sensor.new_sensor(dc_voltage_config)
cg.add(hub.set_dc_voltage(sens))
if ac_power_config := config.get(CONF_AC_POWER):
sens = await sensor.new_sensor(ac_power_config)
cg.add(hub.set_ac_power(sens))
if dc_power_config := config.get(CONF_DC_POWER):
sens = await sensor.new_sensor(dc_power_config)
cg.add(hub.set_dc_power(sens))
if limiter_power_config := config.get(CONF_LIMITER_POWER):
sens = await sensor.new_sensor(limiter_power_config)
cg.add(hub.set_limiter_power(sens))
if temperature_config := config.get(CONF_TEMPERATURE):
sens = await sensor.new_sensor(temperature_config)
cg.add(hub.set_temperature(sens))

135
esphome/components/sun_gtil2/sun_gtil2.cpp Normal file
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#include "sun_gtil2.h"
#include "esphome/core/log.h"
namespace esphome {
namespace sun_gtil2 {
static const char *const TAG = "sun_gtil2";
static const double NTC_A = 0.0011591051055979914;
static const double NTC_B = 0.00022878183547845582;
static const double NTC_C = 1.0396291358342124e-07;
static const float PULLUP_RESISTANCE = 10000.0f;
static const uint16_t ADC_MAX = 1023; // ADC of the inverter controller, not the ESP
struct SunGTIL2Message {
uint16_t sync;
uint8_t ac_waveform[277];
uint8_t frequency;
uint16_t ac_voltage;
uint16_t ac_power;
uint16_t dc_voltage;
uint8_t state;
uint8_t unknown1;
uint8_t unknown2;
uint8_t unknown3;
uint8_t limiter_mode;
uint8_t unknown4;
uint16_t temperature;
uint32_t limiter_power;
uint16_t dc_power;
char serial_number[10];
uint8_t unknown5;
uint8_t end[39];
} __attribute__((packed));
static const uint16_t MESSAGE_SIZE = sizeof(SunGTIL2Message);
static_assert(MESSAGE_SIZE == 350, "Expected the message size to be 350 bytes");
void SunGTIL2::setup() { this->rx_message_.reserve(MESSAGE_SIZE); }
void SunGTIL2::loop() {
while (this->available()) {
uint8_t c;
this->read_byte(&c);
this->handle_char_(c);
}
}
std::string SunGTIL2::state_to_string_(uint8_t state) {
switch (state) {
case 0x02:
return "Starting voltage too low";
case 0x07:
return "Working";
default:
return str_sprintf("Unknown (0x%02x)", state);
}
}
float SunGTIL2::calculate_temperature_(uint16_t adc_value) {
if (adc_value >= ADC_MAX || adc_value == 0) {
return NAN;
}
float ntc_resistance = PULLUP_RESISTANCE / ((static_cast<float>(ADC_MAX) / adc_value) - 1.0f);
double lr = log(double(ntc_resistance));
double v = NTC_A + NTC_B * lr + NTC_C * lr * lr * lr;
return float(1.0 / v - 273.15);
}
void SunGTIL2::handle_char_(uint8_t c) {
if (this->rx_message_.size() > 1 || c == 0x07) {
this->rx_message_.push_back(c);
} else if (!this->rx_message_.empty()) {
this->rx_message_.clear();
}
if (this->rx_message_.size() < MESSAGE_SIZE) {
return;
}
SunGTIL2Message msg;
memcpy(&msg, this->rx_message_.data(), MESSAGE_SIZE);
this->rx_message_.clear();
if (!((msg.end[0] == 0) && (msg.end[38] == 0x08)))
return;
ESP_LOGVV(TAG, "Frequency raw value: %02x", msg.frequency);
ESP_LOGVV(TAG, "Unknown values: %02x %02x %02x %02x %02x", msg.unknown1, msg.unknown2, msg.unknown3, msg.unknown4,
msg.unknown5);
#ifdef USE_SENSOR
if (this->ac_voltage_ != nullptr)
this->ac_voltage_->publish_state(__builtin_bswap16(msg.ac_voltage) / 10.0f);
if (this->dc_voltage_ != nullptr)
this->dc_voltage_->publish_state(__builtin_bswap16(msg.dc_voltage) / 8.0f);
if (this->ac_power_ != nullptr)
this->ac_power_->publish_state(__builtin_bswap16(msg.ac_power) / 10.0f);
if (this->dc_power_ != nullptr)
this->dc_power_->publish_state(__builtin_bswap16(msg.dc_power) / 10.0f);
if (this->limiter_power_ != nullptr)
this->limiter_power_->publish_state(static_cast<int32_t>(__builtin_bswap32(msg.limiter_power)) / 10.0f);
if (this->temperature_ != nullptr)
this->temperature_->publish_state(calculate_temperature_(__builtin_bswap16(msg.temperature)));
#endif
#ifdef USE_TEXT_SENSOR
if (this->state_ != nullptr) {
this->state_->publish_state(this->state_to_string_(msg.state));
}
if (this->serial_number_ != nullptr) {
std::string serial_number;
serial_number.assign(msg.serial_number, 10);
this->serial_number_->publish_state(serial_number);
}
#endif
}
void SunGTIL2::dump_config() {
#ifdef USE_SENSOR
LOG_SENSOR("", "AC Voltage", this->ac_voltage_);
LOG_SENSOR("", "DC Voltage", this->dc_voltage_);
LOG_SENSOR("", "AC Power", this->ac_power_);
LOG_SENSOR("", "DC Power", this->dc_power_);
LOG_SENSOR("", "Limiter Power", this->limiter_power_);
LOG_SENSOR("", "Temperature", this->temperature_);
#endif
#ifdef USE_TEXT_SENSOR
LOG_TEXT_SENSOR("", "State", this->state_);
LOG_TEXT_SENSOR("", "Serial Number", this->serial_number_);
#endif
}
} // namespace sun_gtil2
} // namespace esphome

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esphome/components/sun_gtil2/sun_gtil2.h Normal file
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#pragma once
#include "esphome/core/component.h"
#include "esphome/core/defines.h"
#ifdef USE_SENSOR
#include "esphome/components/sensor/sensor.h"
#endif
#ifdef USE_TEXT_SENSOR
#include "esphome/components/text_sensor/text_sensor.h"
#endif
#include "esphome/components/uart/uart.h"
namespace esphome {
namespace sun_gtil2 {
class SunGTIL2 : public Component, public uart::UARTDevice {
public:
float get_setup_priority() const override { return setup_priority::LATE; }
void setup() override;
void loop() override;
void dump_config() override;
#ifdef USE_SENSOR
void set_ac_voltage(sensor::Sensor *sensor) { ac_voltage_ = sensor; }
void set_dc_voltage(sensor::Sensor *sensor) { dc_voltage_ = sensor; }
void set_ac_power(sensor::Sensor *sensor) { ac_power_ = sensor; }
void set_dc_power(sensor::Sensor *sensor) { dc_power_ = sensor; }
void set_limiter_power(sensor::Sensor *sensor) { limiter_power_ = sensor; }
void set_temperature(sensor::Sensor *sensor) { temperature_ = sensor; }
#endif
#ifdef USE_TEXT_SENSOR
void set_state(text_sensor::TextSensor *text_sensor) { state_ = text_sensor; }
void set_serial_number(text_sensor::TextSensor *text_sensor) { serial_number_ = text_sensor; }
#endif
protected:
std::string state_to_string_(uint8_t state);
#ifdef USE_SENSOR
sensor::Sensor *ac_voltage_{nullptr};
sensor::Sensor *dc_voltage_{nullptr};
sensor::Sensor *ac_power_{nullptr};
sensor::Sensor *dc_power_{nullptr};
sensor::Sensor *limiter_power_{nullptr};
sensor::Sensor *temperature_{nullptr};
#endif
#ifdef USE_TEXT_SENSOR
text_sensor::TextSensor *state_{nullptr};
text_sensor::TextSensor *serial_number_{nullptr};
#endif
float calculate_temperature_(uint16_t adc_value);
void handle_char_(uint8_t c);
std::vector<uint8_t> rx_message_;
};
} // namespace sun_gtil2
} // namespace esphome

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esphome/components/sun_gtil2/text_sensor.py Normal file
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import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import text_sensor
from esphome.const import CONF_STATE
from . import SunGTIL2Component, CONF_SUN_GTIL2_ID
CONF_SERIAL_NUMBER = "serial_number"
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(CONF_SUN_GTIL2_ID): cv.use_id(SunGTIL2Component),
cv.Optional(CONF_STATE): text_sensor.text_sensor_schema(
text_sensor.TextSensor
),
cv.Optional(CONF_SERIAL_NUMBER): text_sensor.text_sensor_schema(
text_sensor.TextSensor
),
}
).extend(cv.COMPONENT_SCHEMA)
)
async def to_code(config):
hub = await cg.get_variable(config[CONF_SUN_GTIL2_ID])
if state_config := config.get(CONF_STATE):
sens = await text_sensor.new_text_sensor(state_config)
cg.add(hub.set_state(sens))
if serial_number_config := config.get(CONF_SERIAL_NUMBER):
sens = await text_sensor.new_text_sensor(serial_number_config)
cg.add(hub.set_serial_number(sens))

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tests/components/sun_gtil2/test.esp32-c3-idf.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 5
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true

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tests/components/sun_gtil2/test.esp32-c3.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 5
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true

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tests/components/sun_gtil2/test.esp32-idf.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 16
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true

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tests/components/sun_gtil2/test.esp32.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 16
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true

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tests/components/sun_gtil2/test.esp8266.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 5
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true

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tests/components/sun_gtil2/test.rp2040.yaml Normal file
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uart:
- id: control_to_display
rx_pin:
number: 5
baud_rate: 9600
sun_gtil2:
uart_id: control_to_display
sensor:
- platform: sun_gtil2
temperature:
id: gtil_temperature
name: "Heatsink Temperature"
filters:
- throttle_average: 30s
dc_voltage:
id: gtil_dc_voltage
name: "DC Voltage"
filters:
- throttle_average: 30s
ac_voltage:
id: gtil_ac_voltage
name: "AC Voltage"
filters:
- throttle_average: 30s
ac_power:
id: gtil_ac_power
name: "AC Power"
dc_power:
id: gtil_dc_power
name: "DC Power"
limiter_power:
id: gtil_limiter_power
internal: true
text_sensor:
- platform: sun_gtil2
state:
id: gtil_state
name: "State"
serial_number:
id: gtil_serial_number
internal: true