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Added MQTT auto discovery #180

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This commit is contained in:
Robert Strouse 2023-10-28 11:39:42 -07:00
parent f3e3553dad
commit 79c7ecccac
10 changed files with 156 additions and 9 deletions
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21
MQTT.cpp
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@ -309,6 +309,27 @@ bool MQTTClass::publish(const char *topic, JsonObject &obj, bool retain) {
serializeJson(obj, g_content, sizeof(g_content));
return this->publish(topic, g_content, retain);
}
bool MQTTClass::publishBuffer(const char *topic, uint8_t *data, uint16_t len, bool retain) {
size_t res;
uint16_t offset = 0;
uint16_t to_write = len;
uint16_t buff_len;
mqttClient.beginPublish(topic, len, retain);
do {
buff_len = to_write;
if(buff_len > 128) buff_len = 128;
res = mqttClient.write(data+offset, buff_len);
offset += buff_len;
to_write -= buff_len;
} while(res == buff_len && to_write > 0);
mqttClient.endPublish();
return true;
}
bool MQTTClass::publishDisco(const char *topic, JsonObject &obj, bool retain) {
serializeJson(obj, g_content, sizeof(g_content));
this->publishBuffer(topic, (uint8_t *)g_content, strlen(g_content), retain);
return true;
}
bool MQTTClass::publish(const char *topic, int8_t val, bool retain) {
snprintf(g_content, sizeof(g_content), "%d", val);
return this->publish(topic, g_content, retain);