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.
214 lines
6.9 KiB
214 lines
6.9 KiB
// -----------------------------------------------------------------------------
|
|
// Event Counter Sensor
|
|
// Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#if SENSOR_SUPPORT && EVENTS_SUPPORT
|
|
|
|
#pragma once
|
|
|
|
#include "Arduino.h"
|
|
#include "BaseSensor.h"
|
|
|
|
class EventSensor : public BaseSensor {
|
|
|
|
public:
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Public
|
|
// ---------------------------------------------------------------------
|
|
|
|
EventSensor(): BaseSensor() {
|
|
_count = 1;
|
|
_sensor_id = SENSOR_EVENTS_ID;
|
|
}
|
|
|
|
~EventSensor() {
|
|
_enableInterrupts(false);
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
void setGPIO(unsigned char gpio) {
|
|
_gpio = gpio;
|
|
}
|
|
|
|
void setMode(unsigned char mode) {
|
|
_mode = mode;
|
|
}
|
|
|
|
void setInterruptMode(unsigned char mode) {
|
|
_interrupt_mode = mode;
|
|
}
|
|
|
|
void setDebounceTime(unsigned long debounce) {
|
|
_debounce = debounce;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
unsigned char getGPIO() {
|
|
return _gpio;
|
|
}
|
|
|
|
unsigned char getMode() {
|
|
return _mode;
|
|
}
|
|
|
|
unsigned char getInterruptMode() {
|
|
return _interrupt_mode;
|
|
}
|
|
|
|
unsigned long getDebounceTime() {
|
|
return _debounce;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Sensors API
|
|
// ---------------------------------------------------------------------
|
|
|
|
// Initialization method, must be idempotent
|
|
// Defined outside the class body
|
|
void begin() {
|
|
pinMode(_gpio, _mode);
|
|
_enableInterrupts(true);
|
|
}
|
|
|
|
// Descriptive name of the sensor
|
|
String description() {
|
|
char buffer[20];
|
|
snprintf(buffer, sizeof(buffer), "INTERRUPT @ GPIO%d", _gpio);
|
|
return String(buffer);
|
|
}
|
|
|
|
// Descriptive name of the slot # index
|
|
String slot(unsigned char index) {
|
|
return description();
|
|
};
|
|
|
|
// Address of the sensor (it could be the GPIO or I2C address)
|
|
String address(unsigned char index) {
|
|
return String(_gpio);
|
|
}
|
|
|
|
// Type for slot # index
|
|
unsigned char type(unsigned char index) {
|
|
_error = SENSOR_ERROR_OK;
|
|
if (index == 0) return MAGNITUDE_EVENTS;
|
|
_error = SENSOR_ERROR_OUT_OF_RANGE;
|
|
return MAGNITUDE_NONE;
|
|
}
|
|
|
|
// Current value for slot # index
|
|
double value(unsigned char index) {
|
|
_error = SENSOR_ERROR_OK;
|
|
if (index == 0) {
|
|
double value = _events;
|
|
_events = 0;
|
|
return value;
|
|
};
|
|
_error = SENSOR_ERROR_OUT_OF_RANGE;
|
|
return 0;
|
|
}
|
|
|
|
// Handle interrupt calls
|
|
void handleInterrupt(unsigned char gpio) {
|
|
(void) gpio;
|
|
static unsigned long last = 0;
|
|
if (millis() - last > _debounce) {
|
|
_events = _events + 1;
|
|
last = millis();
|
|
}
|
|
}
|
|
|
|
protected:
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Interrupt management
|
|
// ---------------------------------------------------------------------
|
|
|
|
void _attach(EventSensor * instance, unsigned char gpio, unsigned char mode);
|
|
void _detach(unsigned char gpio);
|
|
|
|
void _enableInterrupts(bool value) {
|
|
|
|
static unsigned char _interrupt_gpio = GPIO_NONE;
|
|
|
|
if (value) {
|
|
if (_interrupt_gpio != GPIO_NONE) _detach(_interrupt_gpio);
|
|
_attach(this, _gpio, _interrupt_mode);
|
|
_interrupt_gpio = _gpio;
|
|
} else if (_interrupt_gpio != GPIO_NONE) {
|
|
_detach(_interrupt_gpio);
|
|
_interrupt_gpio = GPIO_NONE;
|
|
}
|
|
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Protected
|
|
// ---------------------------------------------------------------------
|
|
|
|
volatile unsigned long _events = 0;
|
|
unsigned long _debounce = EVENTS_DEBOUNCE;
|
|
unsigned char _gpio;
|
|
unsigned char _mode;
|
|
unsigned char _interrupt_mode;
|
|
|
|
};
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Interrupt helpers
|
|
// -----------------------------------------------------------------------------
|
|
|
|
EventSensor * _event_sensor_instance[10] = {NULL};
|
|
|
|
void ICACHE_RAM_ATTR _event_sensor_isr(unsigned char gpio) {
|
|
unsigned char index = gpio > 5 ? gpio-6 : gpio;
|
|
if (_event_sensor_instance[index]) {
|
|
_event_sensor_instance[index]->handleInterrupt(gpio);
|
|
}
|
|
}
|
|
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_0() { _event_sensor_isr(0); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_1() { _event_sensor_isr(1); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_2() { _event_sensor_isr(2); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_3() { _event_sensor_isr(3); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_4() { _event_sensor_isr(4); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_5() { _event_sensor_isr(5); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_12() { _event_sensor_isr(12); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_13() { _event_sensor_isr(13); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_14() { _event_sensor_isr(14); }
|
|
void ICACHE_RAM_ATTR _event_sensor_isr_15() { _event_sensor_isr(15); }
|
|
|
|
static void (*_event_sensor_isr_list[10])() = {
|
|
_event_sensor_isr_0, _event_sensor_isr_1, _event_sensor_isr_2,
|
|
_event_sensor_isr_3, _event_sensor_isr_4, _event_sensor_isr_5,
|
|
_event_sensor_isr_12, _event_sensor_isr_13, _event_sensor_isr_14,
|
|
_event_sensor_isr_15
|
|
};
|
|
|
|
void EventSensor::_attach(EventSensor * instance, unsigned char gpio, unsigned char mode) {
|
|
if (!gpioValid(gpio)) return;
|
|
_detach(gpio);
|
|
unsigned char index = gpio > 5 ? gpio-6 : gpio;
|
|
_event_sensor_instance[index] = instance;
|
|
attachInterrupt(gpio, _event_sensor_isr_list[index], mode);
|
|
#if SENSOR_DEBUG
|
|
DEBUG_MSG_P(PSTR("[SENSOR] GPIO%d interrupt attached to %s\n"), gpio, instance->description().c_str());
|
|
#endif
|
|
}
|
|
|
|
void EventSensor::_detach(unsigned char gpio) {
|
|
if (!gpioValid(gpio)) return;
|
|
unsigned char index = gpio > 5 ? gpio-6 : gpio;
|
|
if (_event_sensor_instance[index]) {
|
|
detachInterrupt(gpio);
|
|
#if SENSOR_DEBUG
|
|
DEBUG_MSG_P(PSTR("[SENSOR] GPIO%d interrupt detached from %s\n"), gpio, _event_sensor_instance[index]->description().c_str());
|
|
#endif
|
|
_event_sensor_instance[index] = NULL;
|
|
}
|
|
}
|
|
|
|
#endif // SENSOR_SUPPORT && EVENTS_SUPPORT
|