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ESPixelStick.ino
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/*
* ESPixelStick.ino
*
* Project: ESPixelStick - An ESP8266 and E1.31 based pixel driver
* Copyright (c) 2016 Shelby Merrick
* http://www.forkineye.com
*
* This program is provided free for you to use in any way that you wish,
* subject to the laws and regulations where you are using it. Due diligence
* is strongly suggested before using this code. Please give credit where due.
*
* The Author makes no warranty of any kind, express or implied, with regard
* to this program or the documentation contained in this document. The
* Author shall not be liable in any event for incidental or consequential
* damages in connection with, or arising out of, the furnishing, performance
* or use of these programs.
*
*/
/*****************************************/
/* BEGIN - Configuration */
/*****************************************/
/* Output Mode has been moved to ESPixelStick.h */
/* Fallback configuration if config.json is empty or fails */
const char ssid[] = "tarte_a_la_moutarde";
const char passphrase[] = "abattoir2";
/*****************************************/
/* END - Configuration */
/*****************************************/
#include <ESP8266WiFi.h>
#include <Ticker.h>
#include <AsyncMqttClient.h>
#include <ESP8266mDNS.h>
#include <ESPAsyncTCP.h>
#include <ESPAsyncUDP.h>
#include <ESPAsyncWebServer.h>
#include <ESPAsyncE131.h>
#include <ArduinoJson.h>
#include <Hash.h>
#include <SPI.h>
#include "ESPixelStick.h"
#include "EFUpdate.h"
#include "Fixture.hpp"
#include "wshandler.h"
#include "pwm.h"
#include "gamma.h"
extern "C" {
#include <user_interface.h>
}
// Debugging support
#if defined(DEBUG)
extern "C" void system_set_os_print(uint8 onoff);
extern "C" void ets_install_putc1(void* routine);
static void _u0_putc(char c){
while(((U0S >> USTXC) & 0x7F) == 0x7F);
U0F = c;
}
#endif
/////////////////////////////////////////////////////////
//
// Globals
//
/////////////////////////////////////////////////////////
NoSerialClass NoSerial;
// MQTT State
const char MQTT_LIGHT_STATE_TOPIC[] = "/light/status";
const char MQTT_LIGHT_COMMAND_TOPIC[] = "/light/switch";
// MQTT Brightness
const char MQTT_LIGHT_BRIGHTNESS_STATE_TOPIC[] = "/brightness/status";
const char MQTT_LIGHT_BRIGHTNESS_COMMAND_TOPIC[] = "/brightness/set";
// MQTT Colors (rgb)
const char MQTT_LIGHT_RGB_STATE_TOPIC[] = "/rgb/status";
const char MQTT_LIGHT_RGB_COMMAND_TOPIC[] = "/rgb/set";
// MQTT Payloads by default (on/off)
const char LIGHT_ON[] = "ON";
const char LIGHT_OFF[] = "OFF";
// MQTT variables used to store the state, the brightness and the color of the light
boolean m_rgb_state = false;
uint8_t m_rgb_brightness = 100;
uint8_t m_rgb_red = 255;
uint8_t m_rgb_green = 255;
uint8_t m_rgb_blue = 255;
// MQTT buffer used to send / receive data
const uint8_t MSG_BUFFER_SIZE = 20;
char m_msg_buffer[MSG_BUFFER_SIZE];
// Configuration file
const char CONFIG_FILE[] = "/config.json";
ESPAsyncE131 e131(10); // ESPAsyncE131 with X buffers
testing_t testing; // Testing mode
config_t config; // Current configuration
uint32_t *seqError; // Sequence error tracking for each universe
uint16_t uniLast = 1; // Last Universe to listen for
bool reboot = false; // Reboot flag
AsyncWebServer web(HTTP_PORT); // Web Server
AsyncWebSocket ws("/ws"); // Web Socket Plugin
uint8_t *seqTracker; // Current sequence numbers for each Universe */
uint32_t lastUpdate; // Update timeout tracker
WiFiEventHandler wifiConnectHandler; // WiFi connect handler
WiFiEventHandler wifiDisconnectHandler; // WiFi disconnect handler
Ticker wifiTicker; // Ticker to handle WiFi
AsyncMqttClient mqtt; // MQTT object
Ticker mqttTicker; // Ticker to handle MQTT
// Output Drivers
#if defined(ESPS_MODE_PIXEL)
PixelDriver pixels; // Pixel object
Fixture fixture;
#elif defined(ESPS_MODE_SERIAL)
SerialDriver serial; // Serial object
#else
#error "No valid output mode defined."
#endif
/////////////////////////////////////////////////////////
//
// Forward Declarations
//
/////////////////////////////////////////////////////////
void loadConfig();
void initWifi();
void initWeb();
void updateConfig();
// Radio config
RF_PRE_INIT() {
//wifi_set_phy_mode(PHY_MODE_11G); // Force 802.11g mode
system_phy_set_powerup_option(31); // Do full RF calibration on power-up
system_phy_set_max_tpw(82); // Set max TX power
}
void setup() {
// Configure SDK params
wifi_set_sleep_type(NONE_SLEEP_T);
// Initial pin states
pinMode(DATA_PIN, OUTPUT);
digitalWrite(DATA_PIN, LOW);
// Setup serial log port
LOG_PORT.begin(115200);
delay(10);
#if defined(DEBUG)
ets_install_putc1((void *) &_u0_putc);
system_set_os_print(1);
#endif
// Enable SPIFFS
SPIFFS.begin();
LOG_PORT.println("");
LOG_PORT.print(F("ESPixelStick v"));
for (uint8_t i = 0; i < strlen_P(VERSION); i++)
LOG_PORT.print((char)(pgm_read_byte(VERSION + i)));
LOG_PORT.print(F(" ("));
for (uint8_t i = 0; i < strlen_P(BUILD_DATE); i++)
LOG_PORT.print((char)(pgm_read_byte(BUILD_DATE + i)));
LOG_PORT.println(")");
// Load configuration from SPIFFS and set Hostname
loadConfig();
WiFi.hostname(config.hostname);
// Setup WiFi Handlers
wifiConnectHandler = WiFi.onStationModeGotIP(onWifiConnect);
// Setup MQTT Handlers
if (config.mqtt) {
mqtt.onConnect(onMqttConnect);
mqtt.onDisconnect(onMqttDisconnect);
mqtt.onMessage(onMqttMessage);
mqtt.setServer(config.mqtt_ip.c_str(), config.mqtt_port);
if (config.mqtt_user.length() > 0)
mqtt.setCredentials(config.mqtt_user.c_str(), config.mqtt_password.c_str());
}
// Configure the outputs
#if defined (ESPS_SUPPORT_PWM)
setupPWM();
#endif
#if defined (ESPS_MODE_PIXEL)
pixels.setPin(DATA_PIN);
updateConfig();
pixels.show();
#else
updateConfig();
#endif
}
/////////////////////////////////////////////////////////
//
// WiFi Section
//
/////////////////////////////////////////////////////////
void initWifi() {
// Switch to station mode and disconnect just in case
WiFi.mode(WIFI_STA);
WiFi.disconnect();
connectWifi();
uint32_t timeout = millis();
while (WiFi.status() != WL_CONNECTED) {
LOG_PORT.print(".");
delay(500);
if (millis() - timeout > CONNECT_TIMEOUT) {
LOG_PORT.println("");
LOG_PORT.println(F("*** Failed to connect ***"));
break;
}
}
}
void connectWifi() {
delay(secureRandom(100, 500));
LOG_PORT.println("");
LOG_PORT.print(F("Connecting to "));
LOG_PORT.print(config.ssid);
LOG_PORT.print(F(" as "));
LOG_PORT.println(config.hostname);
WiFi.begin(config.ssid.c_str(), config.passphrase.c_str());
if (config.dhcp) {
LOG_PORT.print(F("Connecting with DHCP"));
} else {
// We don't use DNS, so just set it to our gateway
WiFi.config(IPAddress(config.ip[0], config.ip[1], config.ip[2], config.ip[3]),
IPAddress(config.gateway[0], config.gateway[1], config.gateway[2], config.gateway[3]),
IPAddress(config.netmask[0], config.netmask[1], config.netmask[2], config.netmask[3]),
IPAddress(config.gateway[0], config.gateway[1], config.gateway[2], config.gateway[3])
);
LOG_PORT.print(F("Connecting with Static IP"));
}
}
void onWifiConnect(const WiFiEventStationModeGotIP &event) {
LOG_PORT.println("");
LOG_PORT.print(F("Connected with IP: "));
LOG_PORT.println(WiFi.localIP());
// Setup MQTT connection if enabled
if (config.mqtt)
connectToMqtt();
// Setup mDNS / DNS-SD
//TODO: Reboot or restart mdns when config.id is changed?
char chipId[7] = { 0 };
snprintf(chipId, sizeof(chipId), "%06x", ESP.getChipId());
MDNS.setInstanceName(config.id + " (" + String(chipId) + ")");
if (MDNS.begin(config.hostname.c_str())) {
MDNS.addService("http", "tcp", HTTP_PORT);
MDNS.addService("e131", "udp", E131_DEFAULT_PORT);
MDNS.addServiceTxt("e131", "udp", "TxtVers", String(RDMNET_DNSSD_TXTVERS));
MDNS.addServiceTxt("e131", "udp", "ConfScope", RDMNET_DEFAULT_SCOPE);
MDNS.addServiceTxt("e131", "udp", "E133Vers", String(RDMNET_DNSSD_E133VERS));
MDNS.addServiceTxt("e131", "udp", "CID", String(chipId));
MDNS.addServiceTxt("e131", "udp", "Model", "ESPixelStick");
MDNS.addServiceTxt("e131", "udp", "Manuf", "Forkineye");
} else {
LOG_PORT.println(F("*** Error setting up mDNS responder ***"));
}
}
void onWiFiDisconnect(const WiFiEventStationModeDisconnected &event) {
LOG_PORT.println(F("*** WiFi Disconnected ***"));
// Pause MQTT reconnect while WiFi is reconnecting
mqttTicker.detach();
wifiTicker.once(2, connectWifi);
}
// Subscribe to "n" universes, starting at "universe"
void multiSub() {
uint8_t count;
ip_addr_t ifaddr;
ip_addr_t multicast_addr;
count = uniLast - config.universe + 1;
ifaddr.addr = static_cast<uint32_t>(WiFi.localIP());
for (uint8_t i = 0; i < count; i++) {
multicast_addr.addr = static_cast<uint32_t>(IPAddress(239, 255,
(((config.universe + i) >> 8) & 0xff),
(((config.universe + i) >> 0) & 0xff)));
igmp_joingroup(&ifaddr, &multicast_addr);
}
}
/////////////////////////////////////////////////////////
//
// MQTT Section
//
/////////////////////////////////////////////////////////
void connectToMqtt() {
LOG_PORT.print(F("- Connecting to MQTT Broker "));
LOG_PORT.println(config.mqtt_ip);
mqtt.connect();
}
void onMqttConnect(bool sessionPresent) {
LOG_PORT.println(F("- MQTT Connected"));
// Setup subscriptions
mqtt.subscribe(String(config.mqtt_topic + MQTT_LIGHT_COMMAND_TOPIC).c_str(), 0);
mqtt.subscribe(String(config.mqtt_topic + MQTT_LIGHT_BRIGHTNESS_COMMAND_TOPIC).c_str(), 0);
mqtt.subscribe(String(config.mqtt_topic + MQTT_LIGHT_RGB_COMMAND_TOPIC).c_str(), 0);
// Publish state
publishRGBState();
publishRGBBrightness();
publishRGBColor();
}
void onMqttDisconnect(AsyncMqttClientDisconnectReason reason) {
LOG_PORT.println(F("*** MQTT Disconnected ***"));
if (WiFi.isConnected()) {
mqttTicker.once(2, connectToMqtt);
}
}
void onMqttMessage(char* topic, char* p_payload,
AsyncMqttClientMessageProperties properties, size_t len, size_t index, size_t total) {
String payload;
for (uint8_t i = 0; i < len; i++)
payload.concat((char)p_payload[i]);
/*
Serial.print("Topic: ");
Serial.print(topic);
Serial.print(" | Payload: ");
Serial.println(payload);
*/
// Handle message topic
if (String(config.mqtt_topic + MQTT_LIGHT_COMMAND_TOPIC).equals(topic)) {
// Test if the payload is equal to "ON" or "OFF"
if (payload.equals(String(LIGHT_ON))) {
config.testmode = TestMode::MQTT;
if (m_rgb_state != true) {
m_rgb_state = true;
setStatic(m_rgb_red * m_rgb_brightness / 100,
m_rgb_green * m_rgb_brightness / 100,
m_rgb_blue * m_rgb_brightness / 100);
publishRGBState();
}
} else if (payload.equals(String(LIGHT_OFF))) {
config.testmode = TestMode::DISABLED;
if (m_rgb_state != false) {
m_rgb_state = false;
setStatic(0, 0, 0);
publishRGBState();
}
}
} else if (String(config.mqtt_topic + MQTT_LIGHT_BRIGHTNESS_COMMAND_TOPIC).equals(topic)) {
uint8_t brightness = payload.toInt();
if (brightness > 100)
brightness = 100;
m_rgb_brightness = brightness;
setStatic(m_rgb_red * m_rgb_brightness / 100,
m_rgb_green * m_rgb_brightness / 100,
m_rgb_blue * m_rgb_brightness / 100);
publishRGBBrightness();
} else if (String(config.mqtt_topic + MQTT_LIGHT_RGB_COMMAND_TOPIC).equals(topic)) {
// Get the position of the first and second commas
uint8_t firstIndex = payload.indexOf(',');
uint8_t lastIndex = payload.lastIndexOf(',');
m_rgb_red = payload.substring(0, firstIndex).toInt();
m_rgb_green = payload.substring(firstIndex + 1, lastIndex).toInt();
m_rgb_blue = payload.substring(lastIndex + 1).toInt();
setStatic(m_rgb_red * m_rgb_brightness / 100,
m_rgb_green * m_rgb_brightness / 100,
m_rgb_blue * m_rgb_brightness / 100);
publishRGBColor();
}
}
// Called to publish the state of the led (on/off)
void publishRGBState() {
if (m_rgb_state) {
mqtt.publish(String(config.mqtt_topic + MQTT_LIGHT_STATE_TOPIC).c_str(),
0, true, LIGHT_ON);
} else {
mqtt.publish(String(config.mqtt_topic + MQTT_LIGHT_STATE_TOPIC).c_str(),
0, true, LIGHT_OFF);
}
}
// Called to publish the brightness of the led (0-100)
void publishRGBBrightness() {
snprintf(m_msg_buffer, MSG_BUFFER_SIZE, "%d", m_rgb_brightness);
mqtt.publish(String(config.mqtt_topic + MQTT_LIGHT_BRIGHTNESS_STATE_TOPIC).c_str(),
0, true, m_msg_buffer);
}
// Called to publish the colors of the led (xx(x),xx(x),xx(x))
void publishRGBColor() {
snprintf(m_msg_buffer, MSG_BUFFER_SIZE, "%d,%d,%d", m_rgb_red, m_rgb_green, m_rgb_blue);
mqtt.publish(String(config.mqtt_topic + MQTT_LIGHT_RGB_STATE_TOPIC).c_str(),
0, true, m_msg_buffer);
}
/////////////////////////////////////////////////////////
//
// Web Section
//
/////////////////////////////////////////////////////////
// Configure and start the web server
void initWeb() {
// Handle OTA update from asynchronous callbacks
Update.runAsync(true);
// Add header for SVG plot support?
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");
// Setup WebSockets
ws.onEvent(wsEvent);
web.addHandler(&ws);
// Heap status handler
web.on("/heap", HTTP_GET, [](AsyncWebServerRequest *request) {
request->send(200, "text/plain", String(ESP.getFreeHeap()));
});
// JSON Config Handler
web.on("/conf", HTTP_GET, [](AsyncWebServerRequest *request) {
String jsonString;
serializeConfig(jsonString, true);
request->send(200, "text/json", jsonString);
});
// gamma debugging Config Handler
web.on("/gamma", HTTP_GET, [](AsyncWebServerRequest *request) {
AsyncResponseStream *response = request->beginResponseStream("text/plain");
for (int i = 0; i < 256; i++) {
response->printf ("%5d,", GAMMA_TABLE[i]);
if (i % 16 == 15) {
response->printf("\r\n");
}
}
request->send(response);
});
// Firmware upload handler
web.on("/updatefw", HTTP_POST, [](AsyncWebServerRequest *request) {
ws.textAll("X6");
}, handle_fw_upload);
// Static Handler
web.serveStatic("/", SPIFFS, "/www/").setDefaultFile("index.html");
//web.serveStatic("/config.json", SPIFFS, "/config.json");
web.onNotFound([](AsyncWebServerRequest *request) {
request->send(404, "text/plain", "Page not found");
});
web.begin();
LOG_PORT.print(F("- Web Server started on port "));
LOG_PORT.println(HTTP_PORT);
}
/////////////////////////////////////////////////////////
//
// JSON / Configuration Section
//
/////////////////////////////////////////////////////////
// Configuration Validations
void validateConfig() {
// E1.31 Limits
if (config.universe < 1)
config.universe = 1;
if (config.universe_limit > UNIVERSE_MAX || config.universe_limit < 1)
config.universe_limit = UNIVERSE_MAX;
if (config.channel_start < 1)
config.channel_start = 1;
else if (config.channel_start > config.universe_limit)
config.channel_start = config.universe_limit;
// Set default MQTT port if missing
if (config.mqtt_port == 0)
config.mqtt_port = MQTT_PORT;
// Generate default MQTT topic if needed
if (!config.mqtt_topic.length()) {
char chipId[7] = { 0 };
snprintf(chipId, sizeof(chipId), "%06x", ESP.getChipId());
config.mqtt_topic = "diy/esps/" + String(chipId);
}
#if defined(ESPS_SUPPORT_PWM)
config.devmode.MPWM = true;
#endif
#if defined(ESPS_MODE_PIXEL)
// Set Mode
// config.devmode = DevMode::MPIXEL;
config.devmode.MPIXEL = true;
config.devmode.MSERIAL = false;
// Generic channel limits for pixels
if (config.channel_count % 3)
config.channel_count = (config.channel_count / 3) * 3;
if (config.channel_count > PIXEL_LIMIT * 3)
config.channel_count = PIXEL_LIMIT * 3;
else if (config.channel_count < 1)
config.channel_count = 1;
// GECE Limits
if (config.pixel_type == PixelType::GECE) {
config.pixel_color = PixelColor::RGB;
if (config.channel_count > 63 * 3)
config.channel_count = 63 * 3;
}
// Default gamma value
if (config.gammaVal <= 0) {
config.gammaVal = 2.2;
}
// Default brightness value
if (config.briteVal <= 0) {
config.briteVal = 1.0;
}
#elif defined(ESPS_MODE_SERIAL)
// Set Mode
// config.devmode = DevMode::MSERIAL;
config.devmode.MPIXEL = false;
config.devmode.MSERIAL = true;
// Generic serial channel limits
if (config.channel_count > RENARD_LIMIT)
config.channel_count = RENARD_LIMIT;
else if (config.channel_count < 1)
config.channel_count = 1;
if (config.serial_type == SerialType::DMX512 && config.channel_count > UNIVERSE_MAX)
config.channel_count = UNIVERSE_MAX;
// Baud rate check
if (config.baudrate > BaudRate::BR_460800)
config.baudrate = BaudRate::BR_460800;
else if (config.baudrate < BaudRate::BR_38400)
config.baudrate = BaudRate::BR_57600;
#endif
}
void updateConfig() {
// Validate first
validateConfig();
// Find the last universe we should listen for
uint16_t span = config.channel_start + config.channel_count - 1;
if (span % config.universe_limit)
uniLast = config.universe + span / config.universe_limit;
else
uniLast = config.universe + span / config.universe_limit - 1;
// Setup the sequence error tracker
uint8_t uniTotal = (uniLast + 1) - config.universe;
if (seqTracker) free(seqTracker);
if ((seqTracker = static_cast<uint8_t *>(malloc(uniTotal))))
memset(seqTracker, 0x00, uniTotal);
if (seqError) free(seqError);
if ((seqError = static_cast<uint32_t *>(malloc(uniTotal * 4))))
memset(seqError, 0x00, uniTotal * 4);
// Zero out packet stats
e131.stats.num_packets = 0;
// Initialize for our pixel type
#if defined(ESPS_MODE_PIXEL)
pixels.begin(config.pixel_type, config.pixel_color, config.channel_count / 3);
pixels.setGamma(config.gamma);
updateGammaTable(config.gammaVal, config.briteVal);
fixture.begin(&pixels);
#elif defined(ESPS_MODE_SERIAL)
serial.begin(&SEROUT_PORT, config.serial_type, config.channel_count, config.baudrate);
#endif
LOG_PORT.print(F("- Listening for "));
LOG_PORT.print(config.channel_count);
LOG_PORT.print(F(" channels, from Universe "));
LOG_PORT.print(config.universe);
LOG_PORT.print(F(" to "));
LOG_PORT.println(uniLast);
// Setup IGMP subscriptions if multicast is enabled
if (config.multicast)
multiSub();
}
// De-Serialize Network config
void dsNetworkConfig(JsonObject &json) {
// Fallback to embedded ssid and passphrase if null in config
config.ssid = json["network"]["ssid"].as<String>();
if (!config.ssid.length())
config.ssid = ssid;
config.passphrase = json["network"]["passphrase"].as<String>();
if (!config.passphrase.length())
config.passphrase = passphrase;
// Network
for (int i = 0; i < 4; i++) {
config.ip[i] = json["network"]["ip"][i];
config.netmask[i] = json["network"]["netmask"][i];
config.gateway[i] = json["network"]["gateway"][i];
}
config.dhcp = json["network"]["dhcp"];
config.ap_fallback = json["network"]["ap_fallback"];
// Generate default hostname if needed
config.hostname = json["network"]["hostname"].as<String>();
if (!config.hostname.length()) {
char chipId[7] = { 0 };
snprintf(chipId, sizeof(chipId), "%06x", ESP.getChipId());
config.hostname = "esps-" + String(chipId);
}
}
// De-serialize Device Config
void dsDeviceConfig(JsonObject &json) {
// Device
config.id = json["device"]["id"].as<String>();
// E131
config.universe = json["e131"]["universe"];
config.universe_limit = json["e131"]["universe_limit"];
config.channel_start = json["e131"]["channel_start"];
config.channel_count = json["e131"]["channel_count"];
config.multicast = json["e131"]["multicast"];
// MQTT
config.mqtt = json["mqtt"]["enabled"];
config.mqtt_ip = json["mqtt"]["ip"].as<String>();
config.mqtt_port = json["mqtt"]["port"];
config.mqtt_user = json["mqtt"]["user"].as<String>();
config.mqtt_password = json["mqtt"]["password"].as<String>();
config.mqtt_topic = json["mqtt"]["topic"].as<String>();
#if defined(ESPS_MODE_PIXEL)
/* Pixel */
config.pixel_type = PixelType(static_cast<uint8_t>(json["pixel"]["type"]));
config.pixel_color = PixelColor(static_cast<uint8_t>(json["pixel"]["color"]));
config.gamma = json["pixel"]["gamma"];
config.gammaVal = json["pixel"]["gammaVal"];
config.briteVal = json["pixel"]["briteVal"];
#elif defined(ESPS_MODE_SERIAL)
/* Serial */
config.serial_type = SerialType(static_cast<uint8_t>(json["serial"]["type"]));
config.baudrate = BaudRate(static_cast<uint32_t>(json["serial"]["baudrate"]));
#endif
#if defined(ESPS_SUPPORT_PWM)
/* PWM */
config.pwm_global_enabled = json["pwm"]["enabled"];
config.pwm_freq = json["pwm"]["freq"];
config.pwm_gamma = json["pwm"]["gamma"];
config.pwm_gpio_invert = 0;
config.pwm_gpio_digital = 0;
config.pwm_gpio_enabled = 0;
for (int gpio = 0; gpio < NUM_GPIO; gpio++) {
if (valid_gpio_mask & 1<<gpio) {
config.pwm_gpio_dmx[gpio] = json["pwm"]["gpio" + (String)gpio + "_channel"];
if (json["pwm"]["gpio" + (String)gpio + "_invert"])
config.pwm_gpio_invert |= 1<<gpio;
if (json["pwm"]["gpio" + (String)gpio + "_digital"])
config.pwm_gpio_digital |= 1<<gpio;
if (json["pwm"]["gpio" + (String)gpio + "_enabled"])
config.pwm_gpio_enabled |= 1<<gpio;
}
}
#endif
}
// Load configugration JSON file
void loadConfig() {
// Zeroize Config struct
memset(&config, 0, sizeof(config));
// Load CONFIG_FILE json. Create and init with defaults if not found
File file = SPIFFS.open(CONFIG_FILE, "r");
if (!file) {
LOG_PORT.println(F("- No configuration file found."));
config.ssid = ssid;
config.passphrase = passphrase;
saveConfig();
} else {
// Parse CONFIG_FILE json
size_t size = file.size();
if (size > CONFIG_MAX_SIZE) {
LOG_PORT.println(F("*** Configuration File too large ***"));
return;
}
std::unique_ptr<char[]> buf(new char[size]);
file.readBytes(buf.get(), size);
DynamicJsonBuffer jsonBuffer;
JsonObject &json = jsonBuffer.parseObject(buf.get());
if (!json.success()) {
LOG_PORT.println(F("*** Configuration File Format Error ***"));
return;
}
dsNetworkConfig(json);
dsDeviceConfig(json);
LOG_PORT.println(F("- Configuration loaded."));
}
// Override config
config.id = "ESPixelPlug";
config.testmode = TestMode::DISABLED;
config.ssid = ssid;
config.passphrase = passphrase;
config.dhcp = true;
config.universe = 0;
config.universe_limit = UNIVERSE_MAX;
config.channel_start = 1;
config.channel_count = 120 * 3;
config.multicast = true;
config.pixel_type = PixelType::WS2811;
config.pixel_color = PixelColor::GRB;
config.gamma = true;
config.gammaVal = 2.2f;
config.briteVal = 1.0f;
// Validate it
validateConfig();
}
// Serialize the current config into a JSON string
void serializeConfig(String &jsonString, bool pretty, bool creds) {
// Create buffer and root object
DynamicJsonBuffer jsonBuffer;
JsonObject &json = jsonBuffer.createObject();
// Device
JsonObject &device = json.createNestedObject("device");
device["id"] = config.id.c_str();
device["mode"] = config.devmode.toInt();
// Network
JsonObject &network = json.createNestedObject("network");
network["ssid"] = config.ssid.c_str();
if (creds)
network["passphrase"] = config.passphrase.c_str();
network["hostname"] = config.hostname.c_str();
JsonArray &ip = network.createNestedArray("ip");
JsonArray &netmask = network.createNestedArray("netmask");
JsonArray &gateway = network.createNestedArray("gateway");
for (int i = 0; i < 4; i++) {
ip.add(config.ip[i]);
netmask.add(config.netmask[i]);
gateway.add(config.gateway[i]);
}
network["dhcp"] = config.dhcp;
network["ap_fallback"] = config.ap_fallback;
// MQTT
JsonObject &_mqtt = json.createNestedObject("mqtt");
_mqtt["enabled"] = config.mqtt;
_mqtt["ip"] = config.mqtt_ip.c_str();
_mqtt["port"] = config.mqtt_port;
_mqtt["user"] = config.mqtt_user.c_str();
_mqtt["password"] = config.mqtt_password.c_str();
_mqtt["topic"] = config.mqtt_topic.c_str();
// E131
JsonObject &e131 = json.createNestedObject("e131");
e131["universe"] = config.universe;
e131["universe_limit"] = config.universe_limit;
e131["channel_start"] = config.channel_start;
e131["channel_count"] = config.channel_count;
e131["multicast"] = config.multicast;
#if defined(ESPS_MODE_PIXEL)
// Pixel
JsonObject &pixel = json.createNestedObject("pixel");
pixel["type"] = static_cast<uint8_t>(config.pixel_type);
pixel["color"] = static_cast<uint8_t>(config.pixel_color);
pixel["gamma"] = config.gamma;
pixel["gammaVal"] = config.gammaVal;
pixel["briteVal"] = config.briteVal;
#elif defined(ESPS_MODE_SERIAL)
// Serial
JsonObject &serial = json.createNestedObject("serial");
serial["type"] = static_cast<uint8_t>(config.serial_type);
serial["baudrate"] = static_cast<uint32_t>(config.baudrate);
#endif
#if defined(ESPS_SUPPORT_PWM)
// PWM
JsonObject &pwm = json.createNestedObject("pwm");
pwm["enabled"] = config.pwm_global_enabled;
pwm["freq"] = config.pwm_freq;
pwm["gamma"] = config.pwm_gamma;
for (int gpio = 0; gpio < NUM_GPIO; gpio++ ) {
if (valid_gpio_mask & 1<<gpio) {
pwm["gpio" + (String)gpio + "_channel"] = static_cast<uint16_t>(config.pwm_gpio_dmx[gpio]);
pwm["gpio" + (String)gpio + "_enabled"] = static_cast<bool>(config.pwm_gpio_enabled & 1<<gpio);
pwm["gpio" + (String)gpio + "_invert"] = static_cast<bool>(config.pwm_gpio_invert & 1<<gpio);
pwm["gpio" + (String)gpio + "_digital"] = static_cast<bool>(config.pwm_gpio_digital & 1<<gpio);
}
}
#endif
if (pretty)
json.prettyPrintTo(jsonString);
else
json.printTo(jsonString);
}
// Save configuration JSON file
void saveConfig() {
// Update Config
updateConfig();
// Serialize Config
String jsonString;
serializeConfig(jsonString, true, true);
// Save Config
File file = SPIFFS.open(CONFIG_FILE, "w");
if (!file) {
LOG_PORT.println(F("*** Error creating configuration file ***"));
return;
} else {
file.println(jsonString);
LOG_PORT.println(F("* Configuration saved."));
}
}
/////////////////////////////////////////////////////////
//
// Set routines for Testing and MQTT
//
/////////////////////////////////////////////////////////
void setStatic(uint8_t r, uint8_t g, uint8_t b) {
uint16_t i = 0;
while (i <= config.channel_count - 3) {
#if defined(ESPS_MODE_PIXEL)
pixels.setValue(i++, r);
pixels.setValue(i++, g);
pixels.setValue(i++, b);
#elif defined(ESPS_MODE_SERIAL)
serial.setValue(i++, r);
serial.setValue(i++, g);
serial.setValue(i++, b);
#endif
}
}
/////////////////////////////////////////////////////////
//
// Main Loop
//
/////////////////////////////////////////////////////////
void loop() {
e131_packet_t packet;
// Reboot handler
if (reboot) {
delay(REBOOT_DELAY);
ESP.restart();
}
if (config.testmode == TestMode::DISABLED || config.testmode == TestMode::VIEW_STREAM) {
// Parse a packet and update pixels
if (!e131.isEmpty()) {
e131.pull(&packet);
uint16_t universe = htons(packet.universe);
uint8_t *data = packet.property_values + 1;
if ((universe >= config.universe) && (universe <= uniLast)) {
// Universe offset and sequence tracking
uint8_t uniOffset = (universe - config.universe);
if (packet.sequence_number != seqTracker[uniOffset]++) {
seqError[uniOffset]++;
seqTracker[uniOffset] = packet.sequence_number + 1;
}
// Offset the channels if required
uint16_t offset = 0;
offset = config.channel_start - 1;
// Find start of data based off the Universe
int16_t dataStart = uniOffset * config.universe_limit - offset;
// Calculate how much data we need for this buffer
uint16_t dataStop = config.channel_count;
uint16_t channels = htons(packet.property_value_count) - 1;
if (config.universe_limit < channels)
channels = config.universe_limit;
if ((dataStart + channels) < dataStop)
dataStop = dataStart + channels;
// Set the data
uint16_t buffloc = 0;
// ignore data from start of first Universe before channel_start
if (dataStart < 0) {
dataStart = 0;
buffloc = config.channel_start - 1;
}
fixture.updateInput(data + dataStart, dataStop - dataStart);
// for (int i = dataStart; i < dataStop; i++) {
//#if defined(ESPS_MODE_PIXEL)
// pixels.setValue(i, data[buffloc]);
//#elif defined(ESPS_MODE_SERIAL)
// serial.setValue(i, data[buffloc]);
//#endif
// buffloc++;
// }
}
}
} else { // Other testmodes
switch (config.testmode) {
case TestMode::STATIC: {
setStatic(testing.r, testing.g, testing.b);
break;
}
case TestMode::CHASE:
// Run chase routine
if (millis() - testing.last > 100) {
// Rime for new step
testing.last = millis();
#if defined(ESPS_MODE_PIXEL)
// Clear whole string
for (int y =0; y < config.channel_count; y++)
pixels.setValue(y, 0);
// Set pixel at step
int ch_offset = testing.step*3;
pixels.setValue(ch_offset++, testing.r);
pixels.setValue(ch_offset++, testing.g);
pixels.setValue(ch_offset, testing.b);
testing.step++;
if (testing.step >= (config.channel_count/3))
testing.step = 0;
#elif defined(ESPS_MODE_SERIAL)
for (int y =0; y < config.channel_count; y++)
serial.setValue(y, 0);
// Set pixel at step
serial.setValue(testing.step++, 0xFF);
if (testing.step >= config.channel_count)
testing.step = 0;
#endif
}
break;
case TestMode::RAINBOW:
// Run rainbow routine
if (millis() - testing.last > 50) {
testing.last = millis();
uint16_t i, WheelPos, num_pixels;
num_pixels = config.channel_count / 3;
if (testing.step > 255) {
testing.step=0;
}
for (i=0; i < (num_pixels); i++) {