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Implement MQTT topic to set Force Full Rotation #252

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Implement MQTT topic to set Force Full Rotation #252

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20 changes: 19 additions & 1 deletion firmware/esp32/splitflap/mqtt_task.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "mqtt_task.h"
#include "secrets.h"

bool forceFullRotation = 1;

MQTTTask::MQTTTask(SplitflapTask& splitflap_task, Logger& logger, const uint8_t task_core) :
Task("MQTT", 8192, 1, task_core),
Expand Down Expand Up @@ -45,7 +46,15 @@ void MQTTTask::mqttCallback(char *topic, byte *payload, unsigned int length) {
char buf[256];
snprintf(buf, sizeof(buf), "Received mqtt callback for topic %s, length %u", topic, length);
logger_.log(buf);
splitflap_task_.showString((const char *)payload, length);
if (strcmp(topic, MQTT_COMMAND_TOPIC) == 0) {
splitflap_task_.showString((const char *)payload, length, forceFullRotation);
} else if (strcmp(topic, MQTT_FORCE_FULL_ROTATION_COMMAND_TOPIC) == 0) {
if (length == 2) { // ON
forceFullRotation = 1;
} else {
forceFullRotation = 0; // OFF
}
}
}

void MQTTTask::connectMQTT() {
Expand All @@ -58,6 +67,15 @@ void MQTTTask::connectMQTT() {
char buf[256];
snprintf(buf, sizeof(buf), "{\"name\": \"%s\", \"command_topic\": \"%s\", \"state_topic\": \"%s\", \"unique_id\": \"%s\"}", HOSTNAME, MQTT_COMMAND_TOPIC, MQTT_COMMAND_TOPIC, HOSTNAME);
mqtt_client_.publish("homeassistant/text/splitflap/config", buf);

mqtt_client_.subscribe(MQTT_FORCE_FULL_ROTATION_COMMAND_TOPIC);

snprintf(buf, sizeof(buf), "{\"name\": \"%s\", \"command_topic\": \"%s\", \"state_topic\": \"%s\", \"unique_id\": \"%s\"}", "Splitflap force full rotation", MQTT_FORCE_FULL_ROTATION_COMMAND_TOPIC, MQTT_FORCE_FULL_ROTATION_COMMAND_TOPIC, HOSTNAME);
mqtt_client_.publish("homeassistant/switch/splitflap/config", buf);

snprintf(buf, sizeof(buf), "ON");
mqtt_client_.publish("homeassistant/switch/splitflap/state", buf);

logger_.log("Published MQTT discovery message");
} else {
snprintf(buf, sizeof(buf), "MQTT failed rc=%d will try again in 5 seconds", mqtt_client_.state());
Expand Down
1 change: 1 addition & 0 deletions firmware/esp32/splitflap/secrets.h.example
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Original file line number Diff line number Diff line change
Expand Up @@ -10,3 +10,4 @@
#define MQTT_USER "mqttuser"
#define MQTT_PASSWORD "megasecretpassword"
#define MQTT_COMMAND_TOPIC "homeassistant/text/splitflap/state"
#define MQTT_FORCE_FULL_ROTATION_COMMAND_TOPIC "homeassistant/switch/splitflap/state"