75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
#include <DigitalInputIoT.hpp>
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bool DigitalInputIoT::begin(uint8_t card_id, ExpansionCard *card, PubSubClient *mqtt, char *base_topic) {
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this->card = (DigitalInputCard *)card;
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this->card_id = card_id;
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this->mqtt = mqtt;
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this->base_topic = base_topic;
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this->setDigitalInputsPublishEnabled(true);
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this->card->registerCallback(std::bind(&DigitalInputIoT::handleValueChange, this, std::placeholders::_1, std::placeholders::_2));
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return true;
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}
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void DigitalInputIoT::subscribe() {
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char topic[64];
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sprintf(topic, "%s/%d/%s", this->base_topic, this->card_id, PUBLISH_ENABLE_TOPIC);
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this->subscribeRelative(topic);
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}
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void DigitalInputIoT::handleMqttMessage(char *topic, char *payload) {
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// payload is char '0' or '1'
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if (!strcmp(topic, PUBLISH_ENABLE_TOPIC)) {
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if (payload[0] == '1') {
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this->setDigitalInputsPublishEnabled(true);
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} else {
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this->setDigitalInputsPublishEnabled(false);
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}
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}
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}
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void DigitalInputIoT::publishDigitalInputs() {
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if (!this->digital_inputs_publish_enabled) {
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return;
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}
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for (int i = 0; i < 16; i++) {
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this->publishDigitalInput(i);
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}
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}
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void DigitalInputIoT::setDigitalInputsPublishEnabled(bool enabled) {
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this->digital_inputs_publish_enabled = enabled;
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if (enabled) {
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this->publishDigitalInputs();
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}
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}
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void DigitalInputIoT::handleValueChange(uint8_t pin, uint8_t value) {
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if (this->digital_inputs_publish_enabled) {
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this->publishDigitalInput(pin);
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}
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if (this->change_callback != NULL) {
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this->change_callback(pin, value);
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}
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}
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void DigitalInputIoT::registerChangeCallback(std::function<void(uint8_t, uint8_t)> callback) {
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this->change_callback = callback;
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}
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void DigitalInputIoT::publishReport() {
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this->publishDigitalInputs();
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}
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uint8_t DigitalInputIoT::getType() {
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return CARD_TYPE_DIGITAL_INPUT;
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}
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void DigitalInputIoT::publishDigitalInput(uint8_t pin) {
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char topic[20] = {0};
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char payload[20] = {0};
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topic[0] = pin-pin%10 + '0';
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topic[1] = pin%10 + '0';
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topic[2] = '\0';
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payload[0] = this->card->digitalRead(pin, false) + '0';
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payload[1] = '\0';
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this->publishRelative(topic, payload);
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} |