Domotique/WifiControlSensor/MQTT.ino

240 lines
7.6 KiB
Arduino
Raw Normal View History

2016-10-28 18:04:30 +02:00
#ifndef CONFIG_DISABLE_MQTT
2016-04-08 01:03:57 +02:00
#include <stdarg.h>
#include "utils.h"
2016-04-14 01:15:42 +02:00
#include "MQTT.h"
2016-12-14 00:08:47 +01:00
#define MAX_PIN 15
#define MAX_GPIO_OBSERVED (MAXSUBSCRIPTIONS*2)
2016-03-14 01:47:43 +01:00
Adafruit_MQTT_Client *mqtt;
Adafruit_MQTT_Publish *mqtt_temp;
2016-03-16 00:54:13 +01:00
Adafruit_MQTT_Publish *mqtt_pressure;
2016-04-07 02:04:38 +02:00
Adafruit_MQTT_Publish *mqtt_dht_temp;
Adafruit_MQTT_Publish *mqtt_dht_humidity;
2016-06-04 18:45:11 +02:00
Adafruit_MQTT_Publish *mqtt_dry;
2016-06-18 02:24:00 +02:00
Adafruit_MQTT_Publish *mqtt_ip;
2016-09-28 13:45:01 +02:00
Adafruit_MQTT_Publish *mqttGpio[MAXSUBSCRIPTIONS] = {};
2016-09-28 14:08:43 +02:00
Adafruit_MQTT_Publish *mqttPwm[MAXSUBSCRIPTIONS] = {};
Adafruit_MQTT_Publish *mqttGpioObserved[MAX_GPIO_OBSERVED] = {};
2016-12-14 00:08:47 +01:00
gpioInfo mqttIRQ[MAX_PIN + 1] = {};
2016-03-14 01:47:43 +01:00
#define FEED_MAX_SIZE 96
2016-03-21 00:56:27 +01:00
//FEED have the following formats /feeds/USER/DEVICE_NAME/....
2016-09-28 13:45:01 +02:00
#define TEMPERATURE_FEED_FORMAT "/feeds/%s/%s/temperature"
#define PRESSURE_FEED_FORMAT "/feeds/%s/%s/pressure"
#define TEMPERATURE_DHT_FEED_FORMAT "/feeds/%s/%s/dht/temperature"
#define HUMIDITY_DHT_FEED_FORMAT "/feeds/%s/%s/dht/humidity"
#define DRY_FEED_FORMAT "/feeds/%s/%s/dry"
#define GPIO_FEED_FORMAT "/feeds/%s/%s/gpio/%d"
#define GPIO_SET_FEED_FORMAT "/feeds/%s/%s/gpio/%d/set"
2016-09-28 14:08:43 +02:00
#define PWM_FEED_FORMAT "/feeds/%s/%s/gpio/%d"
#define PWM_SET_FEED_FORMAT "/feeds/%s/%s/gpio/%d/set"
2016-09-28 13:45:01 +02:00
#define IP_FEED_FORMAT "/feeds/%s/%s/configuration/ip/addr"
2016-04-07 02:04:38 +02:00
char *mqttId;
2016-03-14 01:47:43 +01:00
bool isMqttConfigured = false;
2016-09-15 22:43:00 +02:00
bool useMqtts = false;
2016-04-14 01:15:42 +02:00
2016-09-27 23:51:01 +02:00
int MqttSetup(char *server, char *user, char *passwd, int port, char *hostname) {
mqttId = hostname;
2016-09-15 22:43:00 +02:00
useMqtts = (port == 8883);
2016-04-14 01:15:42 +02:00
isMqttConfigured = server[0] != '\0';
2016-04-14 01:15:42 +02:00
if(!isMqttConfigured)
return 0;
#ifndef CONFIG_DISABLE_SSL
2016-09-15 22:43:00 +02:00
if(useMqtts)
mqtt = new Adafruit_MQTT_Client(new WiFiClientSecure(), server, port, user, passwd);
else
#endif
2016-09-15 22:43:00 +02:00
mqtt = new Adafruit_MQTT_Client(new WiFiClient(), server, port, user, passwd);
2016-09-27 23:51:01 +02:00
mqtt_dht_temp = MqttCreatePublisher(0, 0, TEMPERATURE_DHT_FEED_FORMAT, user, mqttId);
mqtt_dht_humidity = MqttCreatePublisher(0, 0, HUMIDITY_DHT_FEED_FORMAT, user, mqttId);
mqtt_temp = MqttCreatePublisher(0, 0, TEMPERATURE_FEED_FORMAT, user, mqttId);
mqtt_pressure = MqttCreatePublisher(0, 0, PRESSURE_FEED_FORMAT, user, mqttId);
mqtt_dry = MqttCreatePublisher(0, 0, DRY_FEED_FORMAT, user, mqttId);
mqtt_ip = MqttCreatePublisher(0, 1, IP_FEED_FORMAT, user, mqttId);
if (NB_ELEMENTS(gpioControlled) + NB_ELEMENTS(pwmControlled) > MAXSUBSCRIPTIONS){
2016-09-28 14:08:43 +02:00
SKETCH_DEBUG_PRINTF("Too much gpio/pwm to control\n Nb gpio %d Nb pwm %d Max is %d",
NB_ELEMENTS(gpioControlled), NB_ELEMENTS(pwmControlled), MAXSUBSCRIPTIONS);
return -1;
}
if (NB_ELEMENTS(gpioObserved) > MAX_GPIO_OBSERVED){
SKETCH_DEBUG_PRINTF("Too much gpio observed\n Nb gpio %d Nb is %d",
NB_ELEMENTS(gpioObserved), MAX_GPIO_OBSERVED);
2016-09-28 14:08:43 +02:00
return -1;
}
for (uint i = 0 ; i < NB_ELEMENTS(gpioControlled); i++) {
mqtt->subscribe(MqttCreateSubscribe(GPIO_SET_FEED_FORMAT, user, mqttId, gpioControlled[i]));
mqttGpio[i] = MqttCreatePublisher(0, 0, GPIO_FEED_FORMAT, user, mqttId, gpioControlled[i]);
2016-03-22 20:01:05 +01:00
}
2016-09-28 14:08:43 +02:00
for (uint i = 0 ; i < NB_ELEMENTS(gpioObserved) && i < MAX_GPIO_OBSERVED ; i++) {
mqttGpioObserved[i] = MqttCreatePublisher(0, 0, GPIO_FEED_FORMAT, user, mqttId, gpioObserved[i]);
2016-12-14 00:08:47 +01:00
new HIB(gpioObserved[i], HIGH, MqttNofityIRQ , MqttNofityIRQ, NULL );
}
for (uint i = 0 ; i < NB_ELEMENTS(pwmControlled); i++) {
mqtt->subscribe(MqttCreateSubscribe(PWM_SET_FEED_FORMAT, user, mqttId, pwmControlled[i]));
mqttPwm[i] = MqttCreatePublisher(0, 0, PWM_FEED_FORMAT, user, mqttId, pwmControlled[i]);
2016-09-28 14:08:43 +02:00
}
2016-03-14 01:47:43 +01:00
return 0;
}
Adafruit_MQTT_Publish *MqttCreatePublisher( uint8_t qos, uint8_t retain, const char *fmt, ...){
2016-04-14 01:15:42 +02:00
char buf[FEED_MAX_SIZE];
2016-04-08 01:03:57 +02:00
va_list args;
va_start (args, fmt);
vsnprintf(buf, sizeof(buf), (const char *)fmt, args);
va_end(args);
return new Adafruit_MQTT_Publish(mqtt, strdup(buf), qos, retain);
2016-04-08 01:03:57 +02:00
}
2016-09-27 23:44:52 +02:00
Adafruit_MQTT_Subscribe *MqttCreateSubscribe(const char *fmt, ...){
char buf[FEED_MAX_SIZE];
va_list args;
va_start (args, fmt);
vsnprintf(buf, sizeof(buf), (const char *)fmt, args);
va_end(args);
return new Adafruit_MQTT_Subscribe(mqtt, strdup(buf));
}
2016-04-10 01:59:37 +02:00
int MqttIsConnected() {
return (isMqttConfigured && (mode == BOOTMODE_NORMAL)) ? mqtt->connected() : 0;
2016-03-14 18:05:14 +01:00
}
2016-03-11 01:31:03 +01:00
// Function to connect and reconnect as necessary to the MQTT server.
// Should be called in the loop function and it will take care if connecting.
int MqttConnect() {
2016-03-11 01:31:03 +01:00
int8_t ret;
if (!isMqttConfigured || mode != BOOTMODE_NORMAL)
2016-04-10 01:59:37 +02:00
return -1;
2016-03-11 01:31:03 +01:00
// Stop if already connected.
2016-03-14 01:47:43 +01:00
if (mqtt->connected()) {
2016-03-11 01:31:03 +01:00
return 0;
}
uint8_t retries = 3;
2016-03-14 01:47:43 +01:00
while ((ret = mqtt->connect()) != 0) { // connect will return 0 for connected
SKETCH_DEBUG_PRINTLN(mqtt->connectErrorString(ret));
SKETCH_DEBUG_PRINTLN("Retrying MQTT connection ...");
2016-03-14 01:47:43 +01:00
mqtt->disconnect();
2016-03-11 01:31:03 +01:00
delay(100); // wait
retries--;
if (retries == 0) {
return -1;
}
}
return 0;
}
2016-03-22 20:01:05 +01:00
template<typename T> int MqttPublish(Adafruit_MQTT_Publish *publisher, T value){
2016-11-20 00:23:16 +01:00
if (MqttConnect() == 0) {
publisher->publish(value);
return 0;
2016-03-22 20:01:05 +01:00
}
return -1;
2016-03-22 20:01:05 +01:00
}
int MqttPublishBMP180(double temp, double pressure) {
return MqttPublish(mqtt_temp, temp) + MqttPublish(mqtt_pressure, pressure);
2016-06-04 18:45:11 +02:00
}
int MqttPublishDry(int dry) {
return MqttPublish(mqtt_dry, (dry*100)/1024);
2016-06-18 02:24:00 +02:00
}
int MqttPublishIP(const String &ip) {
return MqttPublish(mqtt_ip, ip.c_str());
}
int MqttPublishDHT(float temp, float humidity) {
return MqttPublish(mqtt_dht_temp, temp) + MqttPublish(mqtt_dht_humidity, humidity);
2016-04-07 02:04:38 +02:00
}
2016-09-28 14:08:43 +02:00
int getGpioFromSubscription(Adafruit_MQTT_Subscribe *subscription, const char *pattern) {
char *temp = strstr(subscription->topic, pattern);
if (!temp)
2016-03-22 20:01:05 +01:00
return -1;
2016-09-28 14:08:43 +02:00
String gpioStr(temp + strlen(pattern));
2016-03-22 20:01:05 +01:00
int idx = gpioStr.indexOf("/");
2016-03-23 00:34:50 +01:00
int gpio = gpioStr.substring(0, idx).toInt();
if (gpio >= 0 && gpio < 32 )
2016-03-22 20:01:05 +01:00
return gpio;
else
return -1;
}
2016-12-14 00:08:47 +01:00
void MqttNofityIRQ(uint8_t gpio, int value){
mqttIRQ[gpio].updated = 1;
mqttIRQ[gpio].value = value;
}
void MqttNofity(int gpio, int value){
if (MqttIsConnected()) {
int watchIdx = findIndex(gpio, gpioControlled);
if (watchIdx >= 0 ) {
mqttGpio[watchIdx]->publish(value);
} else {
watchIdx = findIndex(gpio, gpioObserved);
if (watchIdx >= 0 )
mqttGpioObserved[watchIdx]->publish(value);
}
2016-09-28 14:08:43 +02:00
}
}
void MqttChangeGpioValue(int gpio, int value) {
pinMode(gpio, OUTPUT);
digitalWrite(gpio, value);
MqttNofity(gpio, value);
}
2016-09-28 14:08:43 +02:00
void MqttChangePWMValue(int gpio, int value) {
analogWrite(gpio, value);
MqttNofity(gpio, value);
2016-03-22 20:01:05 +01:00
}
2016-12-14 00:08:47 +01:00
void MqttCheckIRQ() {
for (uint i = 0 ; i < NB_ELEMENTS(mqttIRQ); i++) {
if(mqttIRQ[i].updated == 1){
mqttIRQ[i].updated = 0;
MqttNofity(i, mqttIRQ[i].value);
}
}
}
void MqttCheckSubscription() {
if (MqttConnect() == 0) {
2016-03-22 20:01:05 +01:00
Adafruit_MQTT_Subscribe *subscription;
2016-04-10 00:37:41 +02:00
while ((subscription = mqtt->readSubscription(0))) {
2016-09-28 14:08:43 +02:00
int gpio = getGpioFromSubscription(subscription, "/gpio/");
if (gpio > 0 && findIndex(gpio, gpioControlled) >= 0) {
2016-09-28 14:08:43 +02:00
SKETCH_DEBUG_PRINTF("Got Subscription for GPIO %d\n", gpio);
2016-03-22 20:01:05 +01:00
char *value = (char *) subscription->lastread;
SKETCH_DEBUG_PRINTF("Receive data: %s\n", value);
MqttChangeGpioValue(gpio, atoi(value));
2016-03-22 20:01:05 +01:00
}
2016-09-28 14:08:43 +02:00
gpio = getGpioFromSubscription(subscription, "/pwm/");
if (gpio > 0 && findIndex(gpio, pwmControlled) >= 0) {
2016-09-28 14:08:43 +02:00
SKETCH_DEBUG_PRINTF("Got Subscription for PWM %d\n", gpio);
char *value = (char *) subscription->lastread;
SKETCH_DEBUG_PRINTF("Receive data: %s\n", value);
MqttChangePWMValue(gpio, atoi(value));
}
2016-03-22 20:01:05 +01:00
}
}
}
2016-10-28 18:04:30 +02:00
#endif