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AdafruitIO_AIRLIFT.h
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AdafruitIO_AIRLIFT.h
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/*!
* @file AdafruitIO_AIRLIFT.h
*
* This is part of Adafruit IO Arduino. It is designed specifically to work
* with Adafruit's AirLift ESP32 Co-Processor.
*
* The ESP32 uses SPI to communicate. Three lines (CS, ACK, RST) are required
* to communicate with the ESP32.
*
* Adafruit invests time and resources providing this open source code,
* please support Adafruit and open-source hardware by purchasing
* products from Adafruit!
*
* Written by Brent Rubell for Adafruit Industries.
*
* MIT license, all text here must be included in any redistribution.
*
*/
#ifndef ADAFRUITIO_AIRLIFT_H
#define ADAFRUITIO_AIRLIFT_H
#include "AdafruitIO.h"
#include "Adafruit_MQTT.h"
#include "Adafruit_MQTT_Client.h"
#include "Arduino.h"
#include "SPI.h"
#include "WiFiNINA.h"
#define NINAFWVER \
"1.0.0" /*!< nina-fw version compatible with this library. \
*/
/****************************************************************************/
/*!
@brief Class that stores functions for interacting with AirLift Devices
*/
/****************************************************************************/
class AdafruitIO_AIRLIFT : public AdafruitIO {
public:
/**************************************************************************/
/*!
@brief Initializes the Adafruit IO class for AirLift devices.
@param user
A reference to the Adafruit IO user, shared by AdafruitIO.
@param key
A reference to the Adafruit IO Key, shared by AdafruitIO.
@param ssid
A reference to the WiFi network SSID.
@param pass
A reference to the WiFi network password.
@param ssPin
A reference to the ESP32_SS Pin.
@param ackPin
A reference to the ESP32_ACK Pin.
@param rstPin
A reference to the ESP32_RST Pin.
@param gpio0Pin
A reference to the gpio0Pin Pin.
@param wifi
A reference to a SPIClass
*/
/**************************************************************************/
AdafruitIO_AIRLIFT(const char *user, const char *key, const char *ssid,
const char *pass, int ssPin, int ackPin, int rstPin,
int gpio0Pin, SPIClass *wifi)
: AdafruitIO(user, key) {
_wifi = wifi;
_ssPin = ssPin;
_ackPin = ackPin;
_rstPin = rstPin;
_gpio0Pin = gpio0Pin;
_ssid = ssid;
_pass = pass;
_mqtt_client = new WiFiSSLClient;
_mqtt = new Adafruit_MQTT_Client(_mqtt_client, _host, _mqtt_port);
_http_client = new WiFiSSLClient;
_http = new HttpClient(*_http_client, _host, _http_port);
}
/**************************************************************************/
/*!
@brief Destructor for the Adafruit IO AirLift class.
*/
/**************************************************************************/
~AdafruitIO_AIRLIFT() {
if (_mqtt_client)
delete _http_client;
if (_http_client)
delete _mqtt_client;
if (_mqtt)
delete _mqtt;
if (_http)
delete _http;
}
/**************************************************************************/
/*!
@brief Allows setting of the AirLift RGB led from the
Adafruit IO AirLift Class.
@param r
Red value, unsigned 8 bit value (0->255)
@param g
Green value, unsigned 8 bit value (0->255)
@param b
Blue value, unsigned 8 bit value (0->255)
*/
/**************************************************************************/
void setLEDs(uint8_t r, uint8_t g, uint8_t b) { WiFi.setLEDs(r, g, b); }
/********************************************************/
/*!
@brief Checks the version of an ESP32 module against
NINAFWVER. Raises an error if the firmware needs to be
upgraded.
*/
/********************************************************/
void firmwareCheck() {
_fv = WiFi.firmwareVersion();
if (_fv < NINAFWVER) {
AIO_DEBUG_PRINTLN("Please upgrade the firmware on the ESP module");
}
}
/********************************************************/
/*!
@brief Returns the network status of an ESP32 module.
@return aio_status_t
*/
/********************************************************/
aio_status_t networkStatus() {
switch (WiFi.status()) {
case WL_CONNECTED:
return AIO_NET_CONNECTED;
case WL_CONNECT_FAILED:
return AIO_NET_CONNECT_FAILED;
case WL_IDLE_STATUS:
return AIO_IDLE;
default:
return AIO_NET_DISCONNECTED;
}
}
/*****************************************************************/
/*!
@brief Returns the type of network connection used by AdafruitIO.
@return AIRLIFT
*/
/*****************************************************************/
const char *connectionType() { return "AIRLIFT"; }
protected:
const char *_ssid;
const char *_pass;
String _fv = "0.0.0";
int _ssPin, _ackPin, _rstPin, _gpio0Pin = -1;
WiFiSSLClient *_http_client;
WiFiSSLClient *_mqtt_client;
SPIClass *_wifi;
/**************************************************************************/
/*!
@brief Attempts to establish a WiFi connection with the wireless network,
given _ssid and _pass from the AdafruitIO_AIRLIFT constructor.
*/
/**************************************************************************/
void _connect() {
if (strlen(_ssid) == 0) {
_status = AIO_SSID_INVALID;
} else {
// setup ESP32 pins
if (_ssPin != -1) {
WiFi.setPins(_ssPin, _ackPin, _rstPin, _gpio0Pin, _wifi);
}
// check esp32 module version against NINAFWVER
firmwareCheck();
// disconnect from possible previous connection
_disconnect();
// check for esp32 module
if (WiFi.status() == WL_NO_MODULE) {
AIO_DEBUG_PRINTLN("No ESP32 module detected!");
return;
}
WiFi.begin(_ssid, _pass);
_status = AIO_NET_DISCONNECTED;
}
}
/**************************************************************************/
/*!
@brief Disconnect the wifi network.
*/
/**************************************************************************/
void _disconnect() {
WiFi.disconnect();
delay(AIO_NET_DISCONNECT_WAIT);
}
};
#endif // ADAFRUITIO_AIRLIFT_H