mirror of
https://github.com/1technophile/OpenMQTTGateway.git
synced 2026-02-21 17:21:40 +01:00
32174e37a5
By building only the log level required into LOG_LEVEL Co-authored-by: Florian <1technophile@users.noreply.github.com>
187 lines
8.3 KiB
C++
187 lines
8.3 KiB
C++
/*
|
|
Theengs OpenMQTTGateway - We Unite Sensors in One Open-Source Interface
|
|
|
|
Act as a wifi or ethernet gateway between your 433mhz/infrared IR/BLE signal and a MQTT broker
|
|
Send and receiving command by MQTT
|
|
|
|
DS1820 1-wire temperature sensor addon
|
|
|
|
Copyright: (c) 2020 Lars Wessels
|
|
|
|
This file is part of OpenMQTTGateway.
|
|
|
|
OpenMQTTGateway is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OpenMQTTGateway is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "User_config.h"
|
|
|
|
#ifdef ZsensorDS1820
|
|
# include <DallasTemperature.h>
|
|
# include <OneWire.h>
|
|
|
|
# include "TheengsCommon.h"
|
|
# include "config_DS1820.h"
|
|
|
|
OneWire owbus(DS1820_OWBUS_GPIO);
|
|
DallasTemperature ds1820(&owbus);
|
|
DeviceAddress ds1820_address, ds1820_devices[OW_MAX_SENSORS];
|
|
|
|
static uint8_t ds1820_count = 0;
|
|
static uint8_t ds1820_resolution[OW_MAX_SENSORS];
|
|
static String ds1820_type[OW_MAX_SENSORS];
|
|
static String ds1820_addr[OW_MAX_SENSORS];
|
|
|
|
extern void createDiscovery(const char* sensor_type,
|
|
const char* st_topic, const char* s_name, const char* unique_id,
|
|
const char* availability_topic, const char* device_class, const char* value_template,
|
|
const char* payload_on, const char* payload_off, const char* unit_of_meas,
|
|
int off_delay,
|
|
const char* payload_available, const char* payload_not_available, bool gateway_entity, const char* cmd_topic,
|
|
const char* device_name, const char* device_manufacturer, const char* device_model, const char* device_id, bool retainCmd,
|
|
const char* state_class, const char* state_off, const char* state_on, const char* enum_options, const char* command_template);
|
|
|
|
void setupZsensorDS1820() {
|
|
THEENGS_LOG_TRACE(F("DS1820: configured pin: %d for 1-wire bus" CR), DS1820_OWBUS_GPIO);
|
|
ds1820.begin();
|
|
|
|
// Search the OneWire bus for all devices
|
|
uint8_t numDevicesOnBus = ds1820.getDeviceCount();
|
|
|
|
// locate device(s) on 1-wire bus
|
|
THEENGS_LOG_NOTICE(F("DS1820: Found %d devices" CR), numDevicesOnBus);
|
|
|
|
// Cycle though all of the devices on the OneWire bus
|
|
for (int deviceIndex = 0; deviceIndex < numDevicesOnBus && ds1820_count < OW_MAX_SENSORS; deviceIndex++) {
|
|
// get the next device on the OneWire bus and confirm it is a sensor the library can handle (Dallas DS18X20 1-wire devices)
|
|
if (ds1820.getAddress(ds1820_address, deviceIndex) && ds1820.validFamily(ds1820_address)) {
|
|
ds1820_addr[ds1820_count] = String("0x");
|
|
for (uint8_t i = 0; i < 8; i++) {
|
|
if (ds1820_address[i] < 0x10) ds1820_addr[ds1820_count] += String("0");
|
|
ds1820_devices[ds1820_count][i] = ds1820_address[i];
|
|
ds1820_addr[ds1820_count] += String(ds1820_address[i], HEX);
|
|
}
|
|
|
|
// set the resolution and thus conversion timing
|
|
if (ds1820_address[0] == 0x10) {
|
|
// DS1820/DS18S20 have no resolution configuration register,
|
|
// both have a 9-bit temperature register. Resolutions greater
|
|
// than 9-bit can be calculated using the data from the temperature,
|
|
// and COUNT REMAIN and COUNT PER °C registers in the scratchpad.
|
|
// The resolution of the calculation depends on the model.
|
|
ds1820_type[ds1820_count] = String("DS1820/DS18S20");
|
|
} else if (ds1820_address[0] == 0x28) {
|
|
// DS18B20 and 18B22 are capable of different resolutions (9-12 bit)
|
|
ds1820_type[ds1820_count] = String("DS18B20");
|
|
ds1820.setResolution(ds1820_address, DS1820_RESOLUTION);
|
|
} else if (ds1820_address[0] == 0x22) {
|
|
ds1820_type[ds1820_count] = String("DS1822");
|
|
ds1820.setResolution(ds1820_address, DS1820_RESOLUTION);
|
|
} else {
|
|
ds1820_type[ds1820_count] = String("DS1825");
|
|
ds1820.setResolution(ds1820_address, DS1820_RESOLUTION);
|
|
}
|
|
ds1820_resolution[ds1820_count] = ds1820.getResolution(ds1820_address);
|
|
THEENGS_LOG_TRACE(F("DS1820: Device %d, Type: %s, Address: %s, Resolution: %d" CR),
|
|
ds1820_count,
|
|
(char*)ds1820_type[ds1820_count].c_str(),
|
|
(char*)ds1820_addr[ds1820_count].c_str(),
|
|
ds1820_resolution[ds1820_count]);
|
|
ds1820_count++;
|
|
}
|
|
}
|
|
|
|
if (ds1820.getDS18Count() == 0) {
|
|
THEENGS_LOG_ERROR(F("DS1820: Failed to enumerate sensors on 1-wire bus. Check your GPIO assignment!" CR));
|
|
}
|
|
|
|
// make requestTemperatures() non-blocking
|
|
// we've to take that conversion is triggered some time before reading temperature values!
|
|
ds1820.setWaitForConversion(false);
|
|
}
|
|
|
|
void pubOneWire_HADiscovery() {
|
|
// If zmqttDiscovery is enabled, create a sensor topic for each DS18b20 sensor found on the bus, using addr as uniqueID
|
|
# ifdef ZmqttDiscovery
|
|
# include "config_mqttDiscovery.h"
|
|
|
|
// If zmqtt discovery is enabled, create a sensor topic for each DS18b20 sensor found on the bus, using addr as uniqueID
|
|
if (SYSConfig.discovery) {
|
|
for (int index = 0; index < ds1820_count; index++) {
|
|
createDiscovery("sensor",
|
|
(char*)(String(OW_TOPIC) + "/" + ds1820_addr[index]).c_str(),
|
|
(char*)("DS12B20_" + String(index + 1) + "_c").c_str(),
|
|
(char*)(ds1820_addr[index] + "_c").c_str(),
|
|
will_Topic,
|
|
HASS_CLASS_TEMPERATURE,
|
|
jsonTempc,
|
|
"", "", HASS_UNIT_CELSIUS,
|
|
0, "", "", true, "",
|
|
"", "", "", "", false,
|
|
stateClassMeasurement // state class
|
|
);
|
|
}
|
|
}
|
|
# endif
|
|
}
|
|
|
|
void MeasureDS1820Temp() {
|
|
static float persisted_temp[OW_MAX_SENSORS];
|
|
static unsigned long timeDS1820 = 0;
|
|
static boolean triggeredConversion = false;
|
|
float current_temp[OW_MAX_SENSORS];
|
|
|
|
// trigger temperature conversion some time before actually
|
|
// calling getTempC() to make reading temperatures non-blocking
|
|
if (!triggeredConversion && ((millis() - timeDS1820) > (DS1820_INTERVAL_SEC * 1000UL - DS1820_CONV_TIME))) {
|
|
THEENGS_LOG_TRACE(F("DS1820: Trigger temperature conversion..." CR));
|
|
ds1820.requestTemperatures();
|
|
triggeredConversion = true;
|
|
} else if (triggeredConversion && ((millis() - timeDS1820) > DS1820_INTERVAL_SEC * 1000UL)) {
|
|
timeDS1820 = millis();
|
|
triggeredConversion = false;
|
|
|
|
if (ds1820_count < 1) {
|
|
THEENGS_LOG_ERROR(F("DS1820: Failed to identify any temperature sensors on 1-wire bus during setup!" CR));
|
|
} else {
|
|
THEENGS_LOG_TRACE(F("DS1820: Reading temperature(s) from %d sensor(s)..." CR), ds1820_count);
|
|
StaticJsonDocument<JSON_MSG_BUFFER> DS1820dataBuffer;
|
|
JsonObject DS1820data = DS1820dataBuffer.to<JsonObject>();
|
|
|
|
for (uint8_t i = 0; i < ds1820_count; i++) {
|
|
current_temp[i] = round(ds1820.getTempC(ds1820_devices[i]) * 10) / 10.0;
|
|
if (current_temp[i] == -127) {
|
|
THEENGS_LOG_ERROR(F("DS1820: Device %s currently disconnected!" CR), (char*)ds1820_addr[i].c_str());
|
|
} else if (DS1820_ALWAYS || current_temp[i] != persisted_temp[i]) {
|
|
DS1820data["tempf"] = (float)DallasTemperature::toFahrenheit(current_temp[i]);
|
|
DS1820data["tempc"] = (float)current_temp[i];
|
|
|
|
if (DS1820_DETAILS) {
|
|
DS1820data["type"] = ds1820_type[i];
|
|
DS1820data["res"] = String(ds1820_resolution[i]) + String("bit");
|
|
DS1820data["addr"] = ds1820_addr[i];
|
|
}
|
|
String origin = String(OW_TOPIC) + "/" + ds1820_addr[i];
|
|
DS1820data["origin"] = origin;
|
|
enqueueJsonObject(DS1820data);
|
|
if (SYSConfig.powerMode > 0)
|
|
ready_to_sleep = true;
|
|
} else {
|
|
THEENGS_LOG_TRACE(F("DS1820: Temperature for device %s didn't change, don't publish it." CR), (char*)ds1820_addr[i].c_str());
|
|
}
|
|
persisted_temp[i] = current_temp[i];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|