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#include <ESP8266WiFi.h>
#include <espMqttClient.h>
#include <Ticker.h>
#include "stopwatch.h"
namespace homekit { namespace mqtt {
enum class OTAResult: uint8_t {
OK = 0,
UPDATE_ERROR = 1,
WRITE_ERROR = 2,
};
struct OTAStatus {
uint16_t dataPacketId;
uint16_t publishResultPacketId;
bool finished;
bool readyToRestart;
size_t written;
OTAStatus()
: dataPacketId(0)
, publishResultPacketId(0)
, finished(false)
, readyToRestart(false)
, written(0)
{}
inline void clean() {
dataPacketId = 0;
publishResultPacketId = 0;
finished = false;
readyToRestart = false;
written = 0;
}
inline bool started() const {
return dataPacketId != 0;
}
};
class MQTT {
private:
String homeId;
WiFiClientSecure httpsSecureClient;
espMqttClientSecure client;
Ticker reconnectTimer;
Ticker restartTimer;
void handleAdminOtaPayload(uint16_t packetId, const uint8_t* payload, size_t length, size_t index, size_t total);
uint16_t publish(const String& topic, uint8_t* payload, size_t length);
uint16_t subscribe(const String& topic, uint8_t qos = 0);
void sendInitialDiagnostics();
uint16_t sendOtaResponse(OTAResult status, uint8_t error_code = 0);
public:
StopWatch diagnosticsStopWatch;
OTAStatus ota;
MQTT();
void connect();
void disconnect();
void reconnect();
void loop();
void sendDiagnostics();
void sendTempHumData(double temp, double rh);
};
struct DiagnosticsFlags {
uint8_t state: 1;
uint8_t config_changed_value_present: 1;
uint8_t config_changed: 1;
uint8_t reserved: 5;
} __attribute__((packed));
struct InitialDiagnosticsPayload {
uint32_t ip;
uint8_t fw_version;
int8_t rssi;
uint32_t free_heap;
DiagnosticsFlags flags;
} __attribute__((packed));
struct DiagnosticsPayload {
int8_t rssi;
uint32_t free_heap;
DiagnosticsFlags flags;
} __attribute__((packed));
struct PowerPayload {
char secret[12];
uint8_t state;
} __attribute__((packed));
struct TempHumDataPayload {
double temp;
double rh;
} __attribute__((packed));
struct OTAResponse {
OTAResult status;
uint8_t error_code;
} __attribute__((packed));
} }
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