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serialize json to string stream as opposed to char buffer

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proddy
2020-11-16 14:16:03 +01:00
parent 052ee91be5
commit 0a45955294
1 changed files with 5 additions and 4 deletions
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9
src/mqtt.cpp
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@@ -695,6 +695,8 @@ void Mqtt::register_mqtt_ha_binary_sensor(const __FlashStringHelper * name, cons
return; return;
} }
return;
StaticJsonDocument<EMSESP_MAX_JSON_SIZE_HA_CONFIG> doc; StaticJsonDocument<EMSESP_MAX_JSON_SIZE_HA_CONFIG> doc;
doc["name"] = name; doc["name"] = name;
@@ -789,7 +791,7 @@ void Mqtt::register_mqtt_ha_sensor(const char * prefix,
} }
new_name[0] = toupper(new_name[0]); // capitalize first letter new_name[0] = toupper(new_name[0]); // capitalize first letter
StaticJsonDocument<EMSESP_MAX_JSON_SIZE_HA_CONFIG> doc; DynamicJsonDocument doc(EMSESP_MAX_JSON_SIZE_HA_CONFIG);
doc["name"] = new_name; doc["name"] = new_name;
doc["uniq_id"] = uniq.c_str(); doc["uniq_id"] = uniq.c_str();
@@ -806,10 +808,9 @@ void Mqtt::register_mqtt_ha_sensor(const char * prefix,
ids.add(ha_device); ids.add(ha_device);
// convert json to string and publish immediately with retain forced to true // convert json to string and publish immediately with retain forced to true
char payload_text[EMSESP_MAX_JSON_SIZE_HA_CONFIG]; std::string payload_text;
serializeJson(doc, payload_text); // convert json to string serializeJson(doc, payload_text); // convert json to string
uint16_t packet_id = mqttClient_->publish(topic, 0, true, payload_text.c_str());
uint16_t packet_id = mqttClient_->publish(topic, 0, true, payload_text);
if (!packet_id) { if (!packet_id) {
LOG_ERROR(F("Failed to publish topic %s"), topic); LOG_ERROR(F("Failed to publish topic %s"), topic);
} else { } else {