You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
2.9 KiB
97 lines
2.9 KiB
// -----------------------------------------------------------------------------
|
|
// Abstract sensor class (other sensor classes extend this class)
|
|
// Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#if SENSOR_SUPPORT
|
|
|
|
#pragma once
|
|
|
|
#include <Arduino.h>
|
|
#include <ArduinoJson.h>
|
|
|
|
#define GPIO_NONE 0x99
|
|
|
|
#define SENSOR_ERROR_OK 0 // No error
|
|
#define SENSOR_ERROR_OUT_OF_RANGE 1 // Result out of sensor range
|
|
#define SENSOR_ERROR_WARM_UP 2 // Sensor is warming-up
|
|
#define SENSOR_ERROR_TIMEOUT 3 // Response from sensor timed out
|
|
#define SENSOR_ERROR_UNKNOWN_ID 4 // Sensor did not report a known ID
|
|
#define SENSOR_ERROR_CRC 5 // Sensor data corrupted
|
|
#define SENSOR_ERROR_I2C 6 // Wrong or locked I2C address
|
|
#define SENSOR_ERROR_GPIO_USED 7 // The GPIO is already in use
|
|
|
|
typedef std::function<void(unsigned char, const char *)> TSensorCallback;
|
|
|
|
class BaseSensor {
|
|
|
|
public:
|
|
|
|
// Constructor
|
|
BaseSensor() {}
|
|
|
|
// Destructor
|
|
~BaseSensor() {}
|
|
|
|
// Initialization method, must be idempotent
|
|
virtual void begin() {}
|
|
|
|
// Loop-like method, call it in your main loop
|
|
virtual void tick() {}
|
|
|
|
// Pre-read hook (usually to populate registers with up-to-date data)
|
|
virtual void pre() {}
|
|
|
|
// Post-read hook (usually to reset things)
|
|
virtual void post() {}
|
|
|
|
// Descriptive name of the sensor
|
|
virtual String description() {}
|
|
|
|
// Address of the sensor (it could be the GPIO or I2C address)
|
|
virtual String address(unsigned char index) {}
|
|
|
|
// Descriptive name of the slot # index
|
|
virtual String slot(unsigned char index) {};
|
|
|
|
// Type for slot # index
|
|
virtual unsigned char type(unsigned char index) {}
|
|
|
|
// Current value for slot # index
|
|
virtual double value(unsigned char index) {}
|
|
|
|
// Retrieve current instance configuration
|
|
virtual void getConfig(JsonObject& root) {};
|
|
|
|
// Save current instance configuration
|
|
virtual void setConfig(JsonObject& root) {};
|
|
|
|
// Load the configuration manifest
|
|
static void manifest(JsonArray& root) {};
|
|
|
|
// Sensor ID
|
|
unsigned char getID() { return _sensor_id; };
|
|
|
|
// Return sensor status (true for ready)
|
|
bool status() { return _error == 0; }
|
|
|
|
// Return sensor last internal error
|
|
int error() { return _error; }
|
|
|
|
// Number of available slots
|
|
unsigned char count() { return _count; }
|
|
|
|
// Hook for event callback
|
|
void onEvent(TSensorCallback fn) { _callback = fn; };
|
|
|
|
protected:
|
|
|
|
TSensorCallback _callback = NULL;
|
|
unsigned char _sensor_id = 0x00;
|
|
int _error = 0;
|
|
bool _dirty = true;
|
|
unsigned char _count = 0;
|
|
|
|
};
|
|
|
|
#endif
|