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/**
* The MySensors Arduino library handles the wireless radio link and protocol
* between your home built sensors/actuators and HA controller of choice.
* The sensors forms a self healing radio network with optional repeaters. Each
* repeater and gateway builds a routing tables in EEPROM which keeps track of the
* network topology allowing messages to be routed to nodes.
*/
// Enable debug prints to serial monitor
//#define MY_DEBUG
// configure radio
#define MY_RADIO_RFM69
/** @brief RFM69 frequency to use (RF69_433MHZ for 433MHz, RF69_868MHZ for 868MHz or RF69_915MHZ for 915MHz). */
#define MY_RFM69_FREQUENCY RF69_868MHZ
/** @brief Enable this if you're running the RFM69HW model. */
#define MY_IS_RFM69HW
/** @brief RFM69 Network ID. Use the same for all nodes that will talk to each other. */
#define MY_RFM69_NETWORKID 1
/** @brief Node id defaults to AUTO (tries to fetch id from controller). */
#define MY_NODE_ID 3
/** @brief If set, transport traffic is unmonitored and GW connection is optional */
#define MY_TRANSPORT_DONT_CARE_MODE
/** @brief Node parent defaults to AUTO (tries to find a parent automatically). */
#define MY_PARENT_NODE_ID 0
/** @brief The user-defined AES key to use for EEPROM personalization */
#include "aes_key.h"
// Enable repeater functionality for this node
//#define MY_REPEATER_FEATURE
/** @brief Enables RFM69 automatic transmit power control class. */
//#define MY_RFM69_ATC
#ifdef MY_AES_KEY
/** @brief enables RFM69 encryption */
#define MY_RFM69_ENABLE_ENCRYPTION
#endif
#include <Arduino.h>
#include <MySensors.h>
enum sensor_type : uint8_t
{
SENSOR_RELAY = (1u << 0),
SENSOR_DIMMER = (1u << 1),
SENSOR_BUTTON = (1u << 2),
SENSOR_SCENE = (1u << 3),
};
struct sensor_t
{
uint8_t id;
uint8_t type;
struct
{
uint8_t pin; // push button pin
} button;
};
struct sensor_t sensors[] = {
{
.id = 0,
.type = SENSOR_BUTTON | SENSOR_SCENE,
.button = { .pin = 3 },
},
};
#define NUM(a) (sizeof(a) / sizeof(*a))
#define TEMP_SENSOR_ID -1
#define TEMP_READ_INTERVAL 1000L // read temp every 1 sec
#define TEMP_N_READS_MSG 60*60 // force temp message every n reads
#define TEMP_OFFSET 0
MyMessage msg(0, V_SCENE_ON);
inline void checkTemperature(void);
void wakeUp(void);
void before()
{
#ifdef MY_AES_KEY
const uint8_t user_aes_key[16] = { MY_AES_KEY };
uint8_t cur_aes_key[16];
hwReadConfigBlock((void*)&cur_aes_key, (void*)EEPROM_RF_ENCRYPTION_AES_KEY_ADDRESS, sizeof(cur_aes_key));
if (memcmp(&user_aes_key, &cur_aes_key, 16) != 0)
{
hwWriteConfigBlock((void*)user_aes_key, (void*)EEPROM_RF_ENCRYPTION_AES_KEY_ADDRESS, sizeof(user_aes_key));
debug(PSTR("AES key written\n"));
}
#endif
}
void setup()
{
#ifdef MY_IS_RFM69HW
_radio.setHighPower(true);
#endif
//_radio.setPowerLevel(10);
#ifdef MY_RFM69_ATC
_radio.enableAutoPower(-70);
debug(PSTR("ATC enabled\n"));
#endif
for (uint8_t i = 0; i < NUM(sensors); i++)
{
struct sensor_t *sensor = &sensors[i];
if (sensor->type & SENSOR_BUTTON)
pinMode(sensor->button.pin, INPUT_PULLUP);
}
}
void presentation()
{
sendSketchInfo("LRSwitch", "1.0");
// register all sensors to gw (they will be created as child devices)
for (uint8_t i = 0; i < NUM(sensors); i++)
{
struct sensor_t *sensor = &sensors[i];
if (sensor->type & SENSOR_SCENE)
present(sensor->id, S_SCENE_CONTROLLER);
}
#if TEMP_SENSOR_ID >= 0
present(TEMP_SENSOR_ID, S_TEMP);
#endif
}
void loop()
{
//TODO maybe call _radio.rcCalibration() all 1000x changes?
struct sensor_t *sensor = &sensors[0];
uint8_t pin = sensor->button.pin;
// delay() instead of sleep()
// sleep() will for whatever reason trigger the external interrupt?!
delay(1000);
Serial.println("r");
Serial.flush();
uint8_t state_before = digitalRead(pin);
int8_t intr = sleep(digitalPinToInterrupt(pin), CHANGE, 0);
if (intr == digitalPinToInterrupt(pin))
{
uint8_t state_now = digitalRead(pin);
if (state_before != state_now)
{
Serial.println("m");
send(msg.setType(V_SCENE_ON).setSensor(sensor->id).set(1));
}
}
#if TEMP_SENSOR_ID >= 0
checkTemperature();
#endif
}
inline void checkTemperature(void)
{
static unsigned long lastTempUpdate = millis();
static unsigned int numTempUpdates = 0;
static float lastTemp = 0;
static MyMessage msgTemp(TEMP_SENSOR_ID, V_TEMP);
unsigned long now = millis();
if (now - lastTempUpdate > TEMP_READ_INTERVAL)
{
float temp = _radio.readTemperature() + TEMP_OFFSET;
lastTempUpdate = now;
if (isnan(temp))
Serial.println(F("Failed reading temperature"));
else if (abs(temp - lastTemp) >= 2 || numTempUpdates == TEMP_N_READS_MSG)
{
lastTemp = temp;
numTempUpdates = 0;
send(msgTemp.set(temp, 2));
#ifdef MY_DEBUG
char str_temp[6];
dtostrf(temp, 4, 2, str_temp);
debug(PSTR("Temperature: %s °C\n"), str_temp);
#endif
}
else
++numTempUpdates;
}
}
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