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144 lines
3.5 KiB
144 lines
3.5 KiB
/*
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LED MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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// -----------------------------------------------------------------------------
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// LED
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// -----------------------------------------------------------------------------
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typedef struct {
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unsigned char pin;
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bool reverse;
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} led_t;
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std::vector<led_t> _leds;
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bool ledAuto;
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bool ledStatus(unsigned char id) {
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if (id >= _leds.size()) return false;
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bool status = digitalRead(_leds[id].pin);
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return _leds[id].reverse ? !status : status;
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}
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bool ledStatus(unsigned char id, bool status) {
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if (id >= _leds.size()) return false;
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bool s = _leds[id].reverse ? !status : status;
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digitalWrite(_leds[id].pin, _leds[id].reverse ? !status : status);
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return status;
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}
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bool ledToggle(unsigned char id) {
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if (id >= _leds.size()) return false;
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return ledStatus(id, !ledStatus(id));
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}
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void ledBlink(unsigned char id, unsigned long delayOff, unsigned long delayOn) {
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if (id >= _leds.size()) return;
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static unsigned long next = millis();
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if (next < millis()) {
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next += (ledToggle(id) ? delayOn : delayOff);
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}
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}
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#if LED_WIFI
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void showStatus() {
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if (wifiConnected()) {
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if (WiFi.getMode() == WIFI_AP) {
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ledBlink(LED_WIFI - 1, 2500, 2500);
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} else {
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ledBlink(LED_WIFI - 1, 4900, 100);
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}
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} else {
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ledBlink(LED_WIFI - 1, 500, 500);
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}
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}
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#endif
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void ledMQTTCallback(unsigned int type, const char * topic, const char * payload) {
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static bool isFirstMessage = true;
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if (type == MQTT_CONNECT_EVENT) {
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char buffer[strlen(MQTT_TOPIC_LED) + 3];
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snprintf_P(buffer, strlen(buffer), PSTR("%s/+"), MQTT_TOPIC_LED);
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mqttSubscribe(buffer);
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}
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if (type == MQTT_MESSAGE_EVENT) {
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// Match topic
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String t = mqttSubtopic((char *) topic);
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if (!t.startsWith(MQTT_TOPIC_LED)) return;
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// Get led ID
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unsigned int ledID = t.substring(strlen(MQTT_TOPIC_LED)+1).toInt();
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if (ledID >= ledCount()) {
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DEBUG_MSG_P(PSTR("[LED] Wrong ledID (%d)\n"), ledID);
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return;
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}
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// get value
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unsigned int value = (char)payload[0] - '0';
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bool bitAuto = (value & 0x02) > 0;
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bool bitState = (value & 0x01) > 0;
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// Check ledAuto
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if (ledID == 0) {
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ledAuto = bitAuto ? bitState : false;
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setSetting("ledAuto", String() + (ledAuto ? "1" : "0"));
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if (bitAuto) return;
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}
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// Action to perform
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ledStatus(ledID, bitState);
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}
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}
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unsigned char ledCount() {
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return _leds.size();
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}
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void ledConfigure() {
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ledAuto = getSetting("ledAuto", String() + LED_AUTO).toInt() == 1;
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}
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void ledSetup() {
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#ifdef LED1_PIN
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_leds.push_back((led_t) { LED1_PIN, LED1_PIN_INVERSE });
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#endif
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#ifdef LED2_PIN
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_leds.push_back((led_t) { LED2_PIN, LED2_PIN_INVERSE });
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#endif
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#ifdef LED3_PIN
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_leds.push_back((led_t) { LED3_PIN, LED3_PIN_INVERSE });
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#endif
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#ifdef LED4_PIN
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_leds.push_back((led_t) { LED4_PIN, LED4_PIN_INVERSE });
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#endif
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for (unsigned int i=0; i < _leds.size(); i++) {
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pinMode(_leds[i].pin, OUTPUT);
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ledStatus(i, false);
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}
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ledConfigure();
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mqttRegister(ledMQTTCallback);
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DEBUG_MSG_P(PSTR("[LED] Number of leds: %d\n"), _leds.size());
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DEBUG_MSG_P(PSTR("[LED] Led auto indicator is %s\n"), ledAuto ? "ON" : "OFF" );
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}
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void ledLoop() {
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#if LED_WIFI
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if (ledAuto) showStatus();
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#endif
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}
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