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SensorDevice_DFRobot0545.hpp
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// -----------------------------------------------------------------------------------------------
// -----------------------------------------------------------------------------------------------
#include "__sen0545_dfrobot_hardware.hpp"
#include "DFRobot_IICSerial.h"
#include <functional>
class Hardware_DfrobotSEN0545 : public SensorComponentWithMeasurements, public i2cbus_device {
public:
static inline constexpr unsigned long DEFAULT_SENSOR_SERIAL_BAUD = 115200;
static inline constexpr unsigned char DEFAULT_SENSOR_SERIAL_OPTS = IICSerial_8N1;
using TemperatureType = float;
using RainfallType = frame_data_rainfall_status_t::status_t;
using StatusType = frame_data_system_status_t::status_t;
struct Config {
uint8_t uart, IA1, IA0;
};
struct Measurements {
SensorMeasurement<TemperatureType> temperature { "temperature", SensorMeasurementType::Internal };
SensorMeasurement<RainfallType> rainfall { "rainfall", SensorMeasurementType::External, SensorMeasurement<RainfallType>::Convertor(frame_data_rainfall_status_t::toString) };
SensorMeasurement<StatusType> status { "status", SensorMeasurementType::Internal, SensorMeasurement<StatusType>::Convertor(frame_data_system_status_t::toString) };
};
struct Information {
struct {
uint8_t major, backup;
} firmware;
};
private:
const Config &config;
DFRobot_IICSerial _serial;
RainSensor _device;
Measurements _measurements;
Information _info;
static uint8_t _iicserial_address (const int uart, const int ia1, const int ia0) {
return (uint8_t) ((0 << 7) | (ia1 << 6) | (ia0 << 5) | (1 << 4) | (0 << 3) | ((uart & 0x03) << 1) | (0 << 0));
}
bool sensorEnable () override {
return true;
}
bool sensorDisable () override {
return true;
}
SensorResult sensorConnectAndConfigure () override {
if (_serial.begin (DEFAULT_SENSOR_SERIAL_BAUD, DEFAULT_SENSOR_SERIAL_OPTS) != 0)
return SensorResult (false, "DFRobot_IICSerial::begin");
// if (! _device.setSleepMode (false))
// return SensorResult (false, "RainSensor::setSleepMode (false)");
if (! _device.getFirmwareVersion (_info.firmware.major, _info.firmware.backup))
return SensorResult (false, "RainSensor::getFirmwareVersion");
StatusType status;
if (! _device.getSystemStatus (status))
return SensorResult (false, "RainSensor::getSystemStatus");
_measurements.status = status;
return true;
}
SensorResult sensorDisconnect () override {
// (void) _device.setSleepMode (true);
_serial.end ();
return true;
}
String sensorInformation () const override {
return "i2c=0x" + String (_iicserial_address (config.uart, config.IA1, config.IA0), HEX) + ", firmware=" + String ( _info.firmware.major) + "." + String (_info.firmware.backup) + ", status=" + _measurements.status.toString ();
}
SensorResult sensorMeasurementsEnable (const interval_t interval) override {
return true;
}
SensorResult sensorMeasurementsDisable () override {
return true;
}
MeasurementResult sensorMeasurementsExecute () override {
uint16_t temperature;
RainfallType rainfall;
StatusType status;
if (! _device.getTemperature (temperature))
return MeasurementResult (MeasurementError, "RainSensor::getTemperature");
if (! _device.getRainfallStatus (rainfall))
return MeasurementResult (MeasurementError, "RainSensor::getRainfallStatus");
if (! _device.getSystemStatus (status))
return MeasurementResult (MeasurementError, "RainSensor::getSystemStatus");
_measurements.temperature = (TemperatureType) temperature / 1000.0f;
_measurements.rainfall = rainfall;
_measurements.status = status;
return MeasurementUpdatedAndValid;
}
public:
i2cbus_device_info i2cdevice () const override {
const uint8_t address_lower = _iicserial_address (config.uart, config.IA1, config.IA0), address_upper = address_lower + 0x07;
return I2CBUS_DEVICE_INFO_RANGE (SensorComponent::name (), address_lower, address_upper);
}
Hardware_DfrobotSEN0545 (const Config &conf, TwoWire &wire) :
SensorComponentWithMeasurements ("DfrobotSEN0545", "sen0545", { &_measurements.rainfall, &_measurements.status, &_measurements.temperature }),
i2cbus_device (wire),
config (conf),
_serial (i2cbus_device::wire (), config.uart, config.IA1, config.IA0),
_device (
[&] (const uint8_t *data, size_t len) -> size_t {
return _serial.write (data, len);
},
[&] (uint8_t *data, size_t len) -> size_t {
size_t got = 0;
int value;
while (got < len && (value = _serial.read ()) != -1)
data [got++] = value & 0xFF;
return got;
}) { }
};
// -----------------------------------------------------------------------------------------------
// -----------------------------------------------------------------------------------------------