add code and config files
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53
platformio.ini
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53
platformio.ini
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[platformio]
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default_envs = serial
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[common]
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ssid = wifi
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password = foobar
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mqtt_server = mqtt
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mqtt_room = test
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mqtt_device = ledstrip
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; must be a positive integer value
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; must be incremented for automated updates to happen!
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firmware_version = 1
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[uploadconfig]
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sign_prog = $PROJECT_PACKAGES_DIR/framework-arduinoespressif8266/tools/signing.py
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sign_key = ../private.pem
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sign_cert = ../public.pem
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upl_url = http://mqtt/arduino-upload.php
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upl_token = secretpassphrase
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[env]
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platform = espressif8266
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board = d1_mini
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framework = arduino
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build_flags =
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'-DINI_SSID="${common.ssid}"'
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'-DINI_PSK="${common.password}"'
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'-DINI_SERVER="${common.mqtt_server}"'
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'-DINI_ROOM="${common.mqtt_room}"'
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'-DINI_DEVICE="${common.mqtt_device}"'
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'-DINI_VERSION="${common.firmware_version}"'
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extra_scripts = pre:public_key.py
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[env:serial]
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upload_port = /dev/ttyUSB*
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upload_speed = 921600
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monitor_port = /dev/ttyUSB*
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monitor_speed = 115200
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[env:web]
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upload_protocol = custom
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extra_scripts = pre:sign_and_upload.py
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152
src/main.cpp
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src/main.cpp
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#include <Arduino.h>
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#include <ESP8266WiFi.h>
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#include <PubSubClient.h>
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#include <FastLED.h>
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#include "elapsedMillis.h"
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#include "signedUpdatesHelper.h"
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// most of these configuration settings should be changed in the file platformio.ini
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#define WIFI_SSID INI_SSID
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#define WIFI_PSK INI_PSK
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#define MQTT_SERVER INI_SERVER
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#define MQTT_ROOM INI_ROOM
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#define MQTT_DEVICE INI_DEVICE
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#define MQTT_RETAIN true
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#define UPDATE_URL "http://" MQTT_SERVER "/arduino-download.php?room=" MQTT_ROOM "&device=" MQTT_DEVICE
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#define UPDATE_VERSION INI_VERSION
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const char* const topic_state = MQTT_ROOM "/" MQTT_DEVICE "/state";
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const char* const topic_bright = MQTT_ROOM "/" MQTT_DEVICE "/brightness";
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const char* const topic_color = MQTT_ROOM "/" MQTT_DEVICE "/color";
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const char* const topic_lwt = MQTT_ROOM "/" MQTT_DEVICE "/lwt";
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const char* const topic_rssi = MQTT_ROOM "/" MQTT_DEVICE "/stats/rssi";
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const char* const topic_vers = MQTT_ROOM "/" MQTT_DEVICE "/stats/update-version";
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const char* const topic_upderr = MQTT_ROOM "/" MQTT_DEVICE "/stats/update-error";
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#define LED_CHIPSET APA102
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#define COLOR_ORDER BGR
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#define NUM_LEDS 1
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#define DATA_PIN 4
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#define CLOCK_PIN 5
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#define SWITCH_PIN 15
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bool is_auto_mode = false;
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int brightness = 0;
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String updateStatus;
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WiFiClient wifiClient, wifiClient2;
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PubSubClient mqttClient;
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CRGB leds[NUM_LEDS];
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// by noby
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inline uint8_t parse_hex_nibble(uint8_t nibble) {
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return isdigit(nibble) ? nibble - '0' : toupper(nibble) - 'A';
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}
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CRGB parse_colorcode(const char* payload) {
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uint8_t r = ((parse_hex_nibble(payload[0]) << 4)) | parse_hex_nibble(payload[1]);
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uint8_t g = ((parse_hex_nibble(payload[2]) << 4)) | parse_hex_nibble(payload[3]);
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uint8_t b = ((parse_hex_nibble(payload[4]) << 4)) | parse_hex_nibble(payload[5]);
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return CRGB(r, g, b);
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}
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void mqtt_callback(char* topic, byte* payload, unsigned int length) {
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if (strcmp(topic, topic_state) == 0 && length == 1) {
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if ((char)payload[0] == '0') {
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FastLED.setBrightness(0);
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is_auto_mode = false;
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} else if ((char)payload[0] == '1') {
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FastLED.setBrightness(brightness);
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is_auto_mode = false;
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} else if ((char)payload[0] == '2') {
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FastLED.setBrightness(0);
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is_auto_mode = true;
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}
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}
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else if (strcmp(topic, topic_bright) == 0 && length >= 1) {
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brightness = atoi((const char*) payload);
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FastLED.setBrightness(brightness);
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}
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else if (strcmp(topic, topic_color) == 0 && length == 6) {
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fill_solid(leds, NUM_LEDS, parse_colorcode((const char*)payload));
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}
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}
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void mqtt_connect() {
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String mqtt_client_id = MQTT_DEVICE + ESP.getChipId();
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if (mqttClient.connect(mqtt_client_id.c_str(), topic_lwt, 0, true, "offline")) {
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mqttClient.publish(topic_lwt, "online", MQTT_RETAIN);
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mqttClient.subscribe(topic_state);
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mqttClient.subscribe(topic_bright);
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mqttClient.subscribe(topic_color);
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}
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}
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void publish_stats()
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{
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if (mqttClient.connected()) {
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mqttClient.publish(topic_rssi, String(WiFi.RSSI()).c_str(), MQTT_RETAIN);
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mqttClient.publish(topic_vers, UPDATE_VERSION, MQTT_RETAIN);
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mqttClient.publish(topic_upderr, updateStatus.c_str());
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}
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}
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void setup() {
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// FastLED setup
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#ifndef CLOCK_PIN
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FastLED.addLeds<LED_CHIPSET, DATA_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
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#else
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FastLED.addLeds<LED_CHIPSET, DATA_PIN, CLOCK_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);
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#endif
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// Wifi setup
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WiFi.hostname(MQTT_ROOM "_" MQTT_DEVICE);
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WiFi.begin(WIFI_SSID, WIFI_PSK);
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while (WiFi.status() != WL_CONNECTED)
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delay(500);
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// MQTT setup
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mqttClient.setClient(wifiClient);
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mqttClient.setServer(MQTT_SERVER, 1883);
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mqttClient.setCallback(mqtt_callback);
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// misc setup
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randomSeed(micros());
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signedUpdatesHelperInit();
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}
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elapsedSeconds lastReconnect = 0;
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elapsedMillis lastLedShow = 0;
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elapsedSeconds lastStats = 0;
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elapsedSeconds lastUpdate = 0;
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void loop() {
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if (WiFi.status() == WL_CONNECTED && !mqttClient.connected()) {
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if (lastReconnect > 5) {
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lastReconnect = 0;
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mqtt_connect();
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}
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}
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if (is_auto_mode) {
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FastLED.setBrightness(digitalRead(SWITCH_PIN) == HIGH ? brightness : 0);
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}
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if (lastLedShow > 200) {
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lastLedShow = 0;
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FastLED.show();
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}
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if (lastStats > 120) {
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lastStats = 0;
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publish_stats();
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}
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if (lastUpdate > 300) {
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lastUpdate = 0;
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updateStatus = signedUpdatesHelperRun(wifiClient2, UPDATE_URL, UPDATE_VERSION);
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}
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mqttClient.loop();
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}
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