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122 lines
3.0 KiB
122 lines
3.0 KiB
/*
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* Copyright (C) 2025 by Andy Taylor MW0MWZ
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef MQTTPublisher_H
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#define MQTTPublisher_H
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#if defined(MQTT)
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/*
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* Display-Driver-compatible MQTT JSON publishing for DStarRepeater.
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*
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* Publishes event-driven JSON messages to the "json" topic in the format
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* expected by Display-Driver, enabling LCD/OLED display output.
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*
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* These are separate from the periodic status messages on the "status"
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* topic — the display needs discrete start/end events, not continuous
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* state snapshots.
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*/
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#include "MQTTConnection.h"
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#include "Logger.h"
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#include <wx/wx.h>
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#include <cstdio>
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// Publish a D-Star call start event (RF or network)
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static inline void mqttPublishDStarStart(const wxString& myCall1, const wxString& myCall2,
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const wxString& yourCall, const wxString& rptCall2, const char* source)
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{
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if (g_mqtt == NULL)
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return;
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char buf[512];
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::snprintf(buf, sizeof(buf),
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"{\"D-Star\":{\"action\":\"start\","
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"\"source_cs\":\"%s\",\"source_ext\":\"%s\","
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"\"destination_cs\":\"%s\",\"reflector\":\"%s\","
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"\"source\":\"%s\"}}",
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(const char*)myCall1.mb_str(),
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(const char*)myCall2.mb_str(),
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(const char*)yourCall.mb_str(),
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(const char*)rptCall2.mb_str(),
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source);
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g_mqtt->publish("json", buf);
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}
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// Publish a D-Star call end event (normal termination)
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static inline void mqttPublishDStarEnd()
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{
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if (g_mqtt == NULL)
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return;
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g_mqtt->publish("json", "{\"D-Star\":{\"action\":\"end\"}}");
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}
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// Publish a D-Star call lost event (watchdog timeout / abnormal)
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static inline void mqttPublishDStarLost()
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{
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if (g_mqtt == NULL)
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return;
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g_mqtt->publish("json", "{\"D-Star\":{\"action\":\"lost\"}}");
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}
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// Publish idle mode (no traffic)
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static inline void mqttPublishIdle()
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{
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if (g_mqtt == NULL)
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return;
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g_mqtt->publish("json", "{\"MMDVM\":{\"mode\":\"idle\"}}");
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}
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// Publish D-Star BER value
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static inline void mqttPublishBER(float ber)
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{
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if (g_mqtt == NULL)
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return;
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char buf[128];
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::snprintf(buf, sizeof(buf),
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"{\"BER\":{\"mode\":\"D-Star\",\"value\":%.1f}}",
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ber);
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g_mqtt->publish("json", buf);
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}
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// Publish D-Star slow data text
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static inline void mqttPublishText(const wxString& text)
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{
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if (g_mqtt == NULL)
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return;
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char buf[256];
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::snprintf(buf, sizeof(buf),
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"{\"Text\":{\"mode\":\"D-Star\",\"value\":\"%s\"}}",
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(const char*)text.mb_str());
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g_mqtt->publish("json", buf);
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}
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#endif
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#endif
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