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don't publish zero channels over mqtt

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geronet1 2024-05-18 21:51:37 +02:00
parent 9857c4e5a6
commit ce1de81e42
1 changed files with 13 additions and 5 deletions
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18
src/publisher/pubMqttIvData.h
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@ -215,9 +215,13 @@ class PubMqttIvData {
if (mJson && RealTimeRunData_Debug == mCmd) {
DynamicJsonDocument doc(300);
std::array<char, 300> buf;
bool zero = true;
for (mPos = 0; mPos < rec->length; mPos++) {
doc[fields[rec->assign[mPos].fieldId]] = ah::round3(mIv->getValue(mPos, rec));
double value = ah::round3(mIv->getValue(mPos, rec));
if (value != 0)
zero = false;
doc[fields[rec->assign[mPos].fieldId]] = value;
bool publish = false;
if (mPos != rec->length - 1) { // not last one
@ -228,11 +232,15 @@ class PubMqttIvData {
if (publish) {
publish = false;
// if next channel or end->publish
serializeJson(doc, buf.data(), buf.size());
// if next channel or end->publish but not if values are all zero
if (!zero)
{
serializeJson(doc, buf.data(), buf.size());
snprintf(mSubTopic.data(), mSubTopic.size(), "%s/ch%d", mIv->config->name, rec->assign[mPos].ch);
mPublish(mSubTopic.data(), buf.data(), false, QOS_0);
}
zero = true;
doc.clear();
snprintf(mSubTopic.data(), mSubTopic.size(), "%s/ch%d", mIv->config->name, rec->assign[mPos].ch);
mPublish(mSubTopic.data(), buf.data(), false, QOS_0);
}
}
}