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e131-pico-device
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merge into: shark:ethernet-argb-controller
Branches Tags
shark:neopixel-slow
shark:ethernet-argb-controller
shark:simple-crash-test
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pull from: shark:simple-crash-test
Branches Tags
shark:neopixel-slow
shark:ethernet-argb-controller
shark:simple-crash-test

2 Commits
ethernet-a ... simple-cra

Author SHA1 Message Date
Cole Deck 27d04ab9ab try nodelay on loop 10 months ago
Cole Deck 36cdb91f68 it crashes 10 months ago
3 changed files with 80 additions and 594 deletions
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4
platformio.ini
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@ -13,7 +13,7 @@ platform = https://github.com/maxgerhardt/platform-raspberrypi.git
board = pico
framework = arduino
platform_packages =
framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#c64a4a58d793ee6d24c7df7ff3ec35adac3bbb45
framework-arduinopico@https://github.com/earlephilhower/arduino-pico.git#lw
board_build.core = earlephilhower
upload_port = /run/media/amelia/RPI-RP2/
debug_tool = cmsis-dap
@ -21,7 +21,7 @@ upload_protocol = cmsis-dap
monitor_speed = 115200
board_build.filesystem_size = 1m
board_build.f_cpu = 133000000L
build_flags = -O3
; build_flags = -Os
; board_flags = -DWIFICC=CYW43_COUNTRY_USA
lib_deps =
https://github.com/FastLED/FastLED#master

3
src/e131.h
Unescape Escape View File

@ -230,6 +230,9 @@ class E131 {
stats.packet_errors++;
}
}
else {
Serial.println("Packet size " + String(size));
}
return retval;
}

661
src/main.cpp
Unescape Escape View File

@ -1,676 +1,159 @@
// Includes
//#include <WiFi.h>
//#include <WiFiServer.h>
#include <Arduino.h>
#include <W5500lwIP.h>
#include <LEAmDNS.h>
#include <HTTPUpdateServer.h>
#include <WebServer.h>
#include "e131.h"
#include <FastLED.h>
#include "config.h"
#include <EEPROM.h>
#include <HTTPUpdateServer.h>
#include <pico/stdlib.h>
#include <hardware/vreg.h>
int strips[LED_STRIPS] = {170, 170, 170, 170, 170, 170, 170, 170};
# include <lwip/ip_addr.h>
# include <lwip/igmp.h>
# define _UDP WiFiUDP
// Begin code
bool core1_separate_stack = true;
#ifdef DEBUG
#define PRINTFUNC print
#define PRINTLNFUNC println
#else
#define PRINTFUNC
#define PRINTLNFUNC
#endif
int calculate[LED_STRIPS * 4];
int universes[LED_STRIPS * 4];
CRGB ledstrip[MAX_LEDS];
int pins[8];
uint8_t * livedata;
// Networking
uint8_t raw[4096];
_UDP udp;
int nopackets = 0;
Wiznet5500lwIP eth(17, SPI, 21); // 17 : CS, 21 : INTn
// don't think the interrupt pin is actually used
WebServer httpServer(80);
HTTPUpdateServer httpUpdater;
bool status = 0;
bool status2 = 0;
byte ready = 0;
bool newconfig = false;
struct tm timeinfo;
String clientbuffer = "";
String initinfo = "";
bool debug = 1;
bool printer = 1;
int channels = 0;
// Colors (RGB)
int bootsel_count = 0;
int nopackets = 0;
const uint8_t RED[PIXEL_SIZE]= {0x20, 0x00, 0x00};
const uint8_t ORANGE[PIXEL_SIZE]= {0x20, 0x10, 0x00};
const uint8_t YELLOW[PIXEL_SIZE]= {0x20, 0x20, 0x00};
const uint8_t GREEN[PIXEL_SIZE]= {0x00, 0x20, 0x00};
const uint8_t CYAN[PIXEL_SIZE]= {0x00, 0x20, 0x20};
const uint8_t BLUE[PIXEL_SIZE]= {0x00, 0x00, 0x20};
const uint8_t PURPLE[PIXEL_SIZE]= {0x20, 0x00, 0x20};
const uint8_t BLACK[PIXEL_SIZE]= {0x00, 0x00, 0x00};
const uint8_t WHITE[PIXEL_SIZE]= {0x20, 0x20, 0x20};
#define MAX_PIXELS_PER_UNIVERSE 512 / PIXEL_SIZE /* Number of pixels */
#define CHANNEL_START 1 /* Channel to start listening at */
Wiznet5500lwIP eth(17, SPI, 21); //, 21); // 17 : cs, 21 : INTn
E131 e131;
template <class T> T print(T in) {
Serial.print(String(in));
if(printer) clientbuffer += String(in);
return (T)true;
}
template <class T> T println(T in) {
Serial.println(String(in));
if(printer) {
clientbuffer += String(in);
clientbuffer += "\n";
}
return (T)true;
}
void wipe_eeprom() {
for(int i = 0; i < 64+16; i++) {
EEPROM.write(i, (byte)0);
}
EEPROM.commit();
}
IPAddress IP_ADDR;
unsigned short START_UNIVERSE;
char HOSTNAME[64];
String ETH_MODE;
String postForms;
void handleRoot() {
httpServer.send(200, "text/html", postForms);
}
void handlePlain() {
if (httpServer.method() != HTTP_POST) {
httpServer.send(405, "text/plain", "Method Not Allowed");
} else {
httpServer.send(200, "text/plain", "POST body was:\r\n" + httpServer.arg("plain"));
println("POST body was:\r\n" + httpServer.arg("plain"));
}
}
void handleForm() {
if (httpServer.method() != HTTP_POST) {
httpServer.send(405, "text/plain", "Method Not Allowed");
} else {
String message = "POST form was:\r\n";
bool ipset = false;
bool reboot = false;
for (uint8_t i = 0; i < httpServer.args(); i++) {
Serial.println(httpServer.argName(i));
if (httpServer.argName(i) == "ipa") {
ipset = true;
}
if (httpServer.argName(i) == "hostname") {
println("Updating hostname");
for (int j = 0; j < sizeof(HOSTNAME); j++) {
if (j < sizeof(httpServer.arg(i)))
HOSTNAME[j] = httpServer.arg(i)[j];
else
HOSTNAME[j] = '\0';
}
//HOSTNAME = httpServer.arg(i);
EEPROM.put(8, HOSTNAME);
newconfig = true;
//EEPROM.commit();
}
if (httpServer.argName(i) == "universe") {
println("Updating start universe");
START_UNIVERSE = (unsigned short)(httpServer.arg(i).toInt());
EEPROM.put(4, START_UNIVERSE);
newconfig = true;
//EEPROM.commit();
}
if (httpServer.argName(i) == "reboot") {
println("Rebooting...");
reboot = true;
}
message += " " + httpServer.argName(i) + ": " + httpServer.arg(i) + "\r\n";
void initUnicast() {
delay(100);
udp.begin(5568);
if (Serial) {
Serial.print(F("- Unicast port: "));
Serial.println(5568);
}
if (ipset) {
println("Updating IP address...");
byte a, b, c, d;
for (uint8_t i = 0; i < httpServer.args(); i++) {
if (httpServer.argName(i) == "ipa")
a = byte(httpServer.arg(i).toInt());
if (httpServer.argName(i) == "ipb")
b = byte(httpServer.arg(i).toInt());
if (httpServer.argName(i) == "ipc")
c = byte(httpServer.arg(i).toInt());
if (httpServer.argName(i) == "ipd")
d = byte(httpServer.arg(i).toInt());
}
IP_ADDR = IPAddress(a,b,c,d);
EEPROM.write(0, a);
EEPROM.write(1, b);
EEPROM.write(2, c);
EEPROM.write(3, d);
newconfig = true;
}
httpServer.sendHeader("Location", "/",true);
httpServer.send(302, "text/plain", "");
//httpServer.send(200, "text/plain", message);
println(message);
if(reboot) {
EEPROM.commit();
for (int i = 0; i < MAX_LEDS; i++) {
ledstrip[i] = CRGB(0, 0, 0);
}
FastLED.show();
ready = 3; // trigger core 1 to stop
delay(250);
rp2040.reboot();
}
}
}
void handleNotFound() {
String message = "File Not Found\n\n";
message += "URI: ";
message += httpServer.uri();
message += "\nMethod: ";
message += (httpServer.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += httpServer.args();
message += "\n";
for (uint8_t i = 0; i < httpServer.args(); i++) {
message += " " + httpServer.argName(i) + ": " + httpServer.arg(i) + "\n";
int readPacket() {
int size = udp.parsePacket();
if (size) {
udp.readBytes(raw, size);
}
httpServer.send(404, "text/plain", message);
println(message);
}
void write_universe(long universe, uint8_t data[], long size) {
// universe starts at 0
/*PRINTFUNC("Universe: ");
PRINTLNFUNC(universe);
PRINTFUNC("Calculate size: ");
PRINTLNFUNC(sizeof(calculate));*/
int offset = calculate[universe];
/*PRINTFUNC("Offset: ");
PRINTLNFUNC(offset);
PRINTFUNC("Universes size: ");
PRINTLNFUNC(sizeof(universes));*/
int write_size = universes[universe];
/*PRINTFUNC("Length: ");
PRINTLNFUNC(write_size * PIXEL_SIZE + (CHANNEL_START - 1) + 2);
PRINTFUNC("Data: ");
PRINTLNFUNC(size);*/
if (write_size * PIXEL_SIZE + (CHANNEL_START - 1) + 2 > size) {
println("Write size too big!!");
return;
}
if(offset + write_size > sizeof(ledstrip)) {
println("Write size too big!!");
return;
}
//status = 0;
for (int i = 0; i < write_size; i++) {
int j = i * PIXEL_SIZE + (CHANNEL_START - 1);
/*if(debug) {
PRINTFUNC(data[j]);
PRINTFUNC(" ");
PRINTFUNC(data[j+1]);
PRINTFUNC(" ");
PRINTFUNC(data[j+2]);
PRINTFUNC(" ");
}*/
ledstrip[offset + i] = CRGB(data[j], data[j+1], data[j+2]);
//ledstrip[strip].setPixelColor(i + offset, data[j], data[j+1], data[j+2]);
}
//FastLED.show();
//status = 1;
//PRINTLNFUNC("Done writing.");
/*else {
Serial.println("Error: packet size " + String(size));
}*/
return size;
}
void setup() {
vreg_voltage v = VREG_VOLTAGE_1_20;
vreg_set_voltage(v);
set_sys_clock_khz(252000, false);
//vreg_voltage v = VREG_VOLTAGE_1_20;
//vreg_set_voltage(v);
//set_sys_clock_khz(252000, false); // play with this value
Serial.begin(115200);
rp2040.wdt_begin(8000);
//rp2040.wdt_begin(8000);
pinMode(24, INPUT); // VBUS detect - check for USB connection
if (digitalRead(24)) {
delay(3000); // Wait for serial
delay(3000); // Wait for USB serial if connected
}
pinMode(21, INPUT);
println("\r\nStarting RGB Controller...");
pinMode(20, OUTPUT);
println("Resetting W5500 Ethernet Driver...");
Serial.println("\r\nStarting RGB Controller...");
pinMode(21, INPUT); // interrupt pin - probably unused
pinMode(20, OUTPUT); // W5500 RSTn wired to 20
Serial.println("Resetting W5500 Ethernet Driver...");
digitalWrite(20, LOW); // reset W5500 ethernet
delay(1); // for 1 ms
digitalWrite(20, HIGH);
SPI.setRX(16);
SPI.setCS(17);
SPI.setSCK(18);
SPI.setTX(19);
pinMode(ENABLEPIN, OUTPUT);
println("Enabling outputs...");
digitalWrite(ENABLEPIN, LOW); // Enable buffer output!
//pinMode(0, OUTPUT);
//digitalWrite(0, HIGH);
//delay(3000);
println("Checking for EEPROM configuration...");
EEPROM.begin(256);
//wipe_eeprom();
EEPROM.get(4, START_UNIVERSE);
if (START_UNIVERSE == 0 || START_UNIVERSE == 65535) {
println("No valid config detected. Setting defaults...");
START_UNIVERSE = 1;
EEPROM.put(4, START_UNIVERSE);
EEPROM.commit();
}
if(EEPROM.read(8) == byte(0)) { // check if EEPROM is empty
char newhostname[] = "RGBController";
for (int j = 0; j < sizeof(HOSTNAME); j++) {
if (j < sizeof(newhostname))
HOSTNAME[j] = newhostname[j];
else
HOSTNAME[j] = '\0';
}
EEPROM.put(8, HOSTNAME);
EEPROM.commit();
}
EEPROM.get(8, HOSTNAME);
if (HOSTNAME == "") {
char newhostname[] = "RGBController";
for (int j = 0; j < sizeof(HOSTNAME); j++) {
if (j < sizeof(newhostname))
HOSTNAME[j] = newhostname[j];
else
HOSTNAME[j] = '\0';
}
EEPROM.put(8, HOSTNAME);
EEPROM.commit();
}
IP_ADDR = IPAddress(EEPROM.read(0),EEPROM.read(1),EEPROM.read(2),EEPROM.read(3));
if (!IP_ADDR.isSet())
ETH_MODE = "dhcp";
else
ETH_MODE = "staticip";
rp2040.wdt_reset();
println("Configuration loaded.");
if(ETH_MODE == "staticip") {
Serial.println("Setting static IP");
eth.config(IP_ADDR, INADDR_NONE);
}
else {
Serial.println(F("Requesting Address via DHCP"));
}
SPI.setRX(16);
SPI.setCS(17);
SPI.setSCK(18);
SPI.setTX(19);
eth.setSPISpeed(ETH_SPI_SPD);
lwipPollingPeriod(1);
eth.setSPISpeed(10000000); // play with this value
lwipPollingPeriod(3); // play with this value
eth.setHostname("RGBController");
Serial.println(F("Setting IP"));
//eth.config(IPAddress(192,168,68,130), INADDR_NONE); // static IP; comment out for DHCP
//char * hostname_char;
//HOSTNAME.toCharArray(hostname_char, 32);
eth.setHostname(HOSTNAME);
if (!eth.begin()) {
Serial.println("No wired Ethernet hardware detected. Check pinouts, wiring.");
println("Connection failed. Retrying.");
Serial.println("Connection failed. Retrying.");
rp2040.reboot();
}
int count = 0;
while (!eth.connected() && count < 32) {
while (!eth.connected() && count < 32) { // wait 8 seconds for connection
rp2040.wdt_reset();
count++;
Serial.print(".");
delay(250);
}
if (!eth.connected()) {
println("Connection failed. Retrying.");
Serial.println("Connection failed. Retrying.");
rp2040.reboot();
}
Serial.print(F("\r\n- IP Address: "));
Serial.println(eth.localIP());
initUnicast();
MDNS.begin("RGBController");
e131.begin(E131_UNICAST);
#ifdef INT_WIFI
WiFi.noLowPowerMode();
#endif
// If we get here, then network is good to go
println("Starting mDNS client...");
MDNS.begin(HOSTNAME);
println("Starting web configurator & firmware update service...");
httpUpdater.setup(&httpServer, update_path, update_username, update_password);
httpServer.on("/", handleRoot);
httpServer.on("/postplain/", handlePlain);
postForms = "<html>\
<head>\
<title>RGB Controller Configuration</title>\
<style>\
body { background-color: #cccccc; font-family: Arial, Helvetica, Sans-Serif; Color: #000088; }\
</style>\
</head>\
<body>\
<h1>RGB Controller Configuration</h1><br>\
<h2>Set IP address</h2>\
Needs reboot to apply<br>\
Set to 0.0.0.0 for DHCP\
<form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\
<input type=\"text\" name=\"ipa\" value=\"0\" size=\"3\">.\
<input type=\"text\" name=\"ipb\" value=\"0\" size=\"3\">.\
<input type=\"text\" name=\"ipc\" value=\"0\" size=\"3\">.\
<input type=\"text\" name=\"ipd\" value=\"0\" size=\"3\">\
<input type=\"submit\" value=\"Set\">\
</form><br>\
<h2>Set Hostname</h2>\
Needs reboot to apply<br>\
Max 64 characters\
<form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\
<input type=\"text\" name=\"hostname\" value=\"" + String(HOSTNAME) + "\" size=\"20\">\
<input type=\"submit\" value=\"Set\">\
</form><br>\
<h2>DMX512 Start Universe</h2>\
Applies immediately<br>\
Between (inclusive) 1-65000\
<form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\
<input type=\"text\" name=\"universe\" value=\"" + String(START_UNIVERSE) + "\" size=\"5\">\
<input type=\"submit\" value=\"Set\">\
</form><br>\
<form method=\"post\" enctype=\"application/x-www-form-urlencoded\" action=\"/postform/\">\
<input type=\"submit\" name=\"reboot\" value=\"Reboot\">\
</form><br>\
</body>\
</html>";
httpServer.on("/postform/", handleForm);
httpServer.onNotFound(handleNotFound);
httpUpdater.setup(&httpServer, "/update", "admin", "admin");
httpServer.begin();
MDNS.addService("http", "tcp", 80);
print("OTA Updates enabled. Open http://");
print(HOSTNAME);
print(update_path);
print(" in your browser and login with username ");
print(update_username);
print(" and password ");
println(update_password);
if(ENABLE_NTP) {
println("Starting NTP client.");
NTP.begin(ntpserver);
NTP.waitSet([]() { print("."); }, 15000);
time_t now = time(nullptr);
println("");
gmtime_r(&now, &timeinfo);
print("Current time: ");
println(asctime(&timeinfo));
}
ready += 1;
while (ready == 1) {
delay(50);
}
println("Startup Complete. Listening for HTTP and e1.31 (sACN) connections...");
initinfo += clientbuffer;
//e131.beginMulticast(ssid, passphrase, UNIVERSE);
printer = 0;
}
void setup1() {
while(ready == 0)
delay(50);
pinMode(LED_BUILTIN, OUTPUT);
pinMode(32+1, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
println("Initializing LED outputs and universe mappings...");
#ifdef STRIP1
pins[0] = STRIP1;
#endif
#ifdef STRIP2
pins[1] = STRIP2;
#endif
#ifdef STRIP3
pins[2] = STRIP3;
#endif
#ifdef STRIP4
pins[3] = STRIP4;
#endif
#ifdef STRIP5
pins[4] = STRIP5;
#endif
#ifdef STRIP6
pins[5] = STRIP6;
#endif
#ifdef STRIP7
pins[6] = STRIP7;
#endif
#ifdef STRIP8
pins[7] = STRIP8;
#endif
// Populate universes and offsets
int offsetcount = 0;
int currentsize = 0;
for (int i = 0; i < LED_STRIPS; i++) {
int tmp = strips[i];
PRINTFUNC("Strip ");
PRINTFUNC(i);
PRINTFUNC(", Pin ");
PRINTFUNC(pins[i]);
PRINTFUNC(", Light count ");
PRINTLNFUNC(tmp);
while(tmp > MAX_PIXELS_PER_UNIVERSE) {
universes[currentsize] = MAX_PIXELS_PER_UNIVERSE;
calculate[currentsize] = offsetcount;
PRINTFUNC(" Universe ");
PRINTFUNC(currentsize + START_UNIVERSE);
PRINTFUNC(", Light count ");
PRINTFUNC(MAX_PIXELS_PER_UNIVERSE);
PRINTFUNC(", Size ");
PRINTLNFUNC(MAX_PIXELS_PER_UNIVERSE * PIXEL_SIZE);
offsetcount += MAX_PIXELS_PER_UNIVERSE;
currentsize += 1;
tmp -= MAX_PIXELS_PER_UNIVERSE;
}
universes[currentsize] = tmp;
calculate[currentsize] = offsetcount;
PRINTFUNC(" Universe ");
PRINTFUNC(currentsize + START_UNIVERSE);
PRINTFUNC(", Light count ");
PRINTFUNC(tmp);
PRINTFUNC(", Size ");
PRINTLNFUNC(tmp * PIXEL_SIZE);
offsetcount += tmp;
currentsize += 1;
}
#ifdef STRIP1
FastLED.addLeds<LED_TYPE, STRIP1, RGB_ORDER>(ledstrip, calculate[0], strips[0]);
#endif
#ifdef STRIP2
FastLED.addLeds<LED_TYPE, STRIP2, RGB_ORDER>(ledstrip, calculate[1], strips[1]);
#endif
#ifdef STRIP3
FastLED.addLeds<LED_TYPE, STRIP3, RGB_ORDER>(ledstrip, calculate[2], strips[2]);
#endif
#ifdef STRIP4
FastLED.addLeds<LED_TYPE, STRIP4, RGB_ORDER>(ledstrip, calculate[3], strips[3]);
#endif
#ifdef STRIP5
FastLED.addLeds<LED_TYPE, STRIP5, RGB_ORDER>(ledstrip, calculate[4], strips[4]);
#endif
#ifdef STRIP6
FastLED.addLeds<LED_TYPE, STRIP6, RGB_ORDER>(ledstrip, calculate[5], strips[5]);
#endif
#ifdef STRIP7
FastLED.addLeds<LED_TYPE, STRIP7, RGB_ORDER>(ledstrip, calculate[6], strips[6]);
#endif
#ifdef STRIP8
FastLED.addLeds<LED_TYPE, STRIP8, RGB_ORDER>(ledstrip, calculate[7], strips[7]);
#endif
for (int i = 0; i < MAX_LEDS; i++) {
ledstrip[i] = CRGB(0, 0, 0);
}
FastLED.show();
// Test all lights
/*for (int i = 0; i < MAX_LEDS; i++) {
ledstrip[i] = CRGB(0, 0, 50);
FastLED.show();
//delay(1);
ledstrip[i] = CRGB(0, 0, 0);
}
FastLED.show();*/
//delay(3000);
ready += 1;
while (ready == 1) {
delay(50);
}
#ifdef INT_WIFI
WiFi.noLowPowerMode();
#endif
//rp2040.wdt_begin(8000);
Serial.println("Startup Complete. Listening for e1.31 (sACN) connections...");
}
void setup1() {
pinMode(LED_BUILTIN, OUTPUT);
//pinMode(32+1, OUTPUT);
digitalWrite(LED_BUILTIN, HIGH);
}
void loop() {
/* Parse a packet */
//println("Start loop");
if(channels = e131.parsePacket()) {
int size;
if(size = readPacket()) {
// Offset by start universe
// as all local functions count from 0
//delay(0);
livedata = e131.data;
status = 1;
delayMicroseconds(5000);
//Serial.print(eth.isLinked());
Serial.println("Got valid packet of size " + String(size) + " at " + String(millis()/1000.0));
//delayMicroseconds(1000);
nopackets = 0;
}
else {
//delayMicroseconds(500);
nopackets++;
}
if(nopackets > 50000) {
nopackets = 0;
println("Resetting network");
eth.end();
delay(5);
eth.begin();
println("Reset network");
Serial.println("No packets recieved in a while.... at " + String(millis()/1000.0));
}
//println("mid loop");
httpServer.handleClient();
MDNS.update();
//println("end loop");
if(newconfig == true) {
println("Waiting for core 1 to idle...");
ready = 3;
while(ready == 3)
delay(50);
println("Configuration changed - saving to flash...");
EEPROM.commit();
newconfig = false;
ready = 2;
}
httpServer.handleClient();
}
void loop1() {
rp2040.wdt_reset();
if(BOOTSEL) {
bootsel_count++;
delay(50);
}
else {
bootsel_count = 0;
}
if(bootsel_count > 60) { // 3 seconds
Serial.print("Wiping configuration...");
digitalWrite(LED_BUILTIN, LOW);
delay(50);
for(int i = 0; i < 5; i++) { // blink 5 times to indicate wipe
digitalWrite(LED_BUILTIN, HIGH);
delay(125);
digitalWrite(LED_BUILTIN, LOW);
delay(125);
}
wipe_eeprom();
rp2040.reboot();
}
if(ready == 3) {
ready = 4;
while(ready == 4)
delay(50);
}
status2 = 1;
if(status == 1 && e131.universe > START_UNIVERSE - 1 && channels > 0) {
write_universe(e131.universe - START_UNIVERSE, livedata, channels);
FastLED.show();
//println("Done Writing");
status = 0;
}
status2 = 0;
if (millis() % 100 > 50) { // reset LED
digitalWrite(LED_BUILTIN, HIGH);
}
else if (millis() % 100 < 50 && status == 1) {
//status = 0;
digitalWrite(LED_BUILTIN, LOW);
}
//status = 0;
//delay(50);
float cputemp = analogReadTemp();
if (cputemp > 50.0) {
println("ERROR: Overtemperature triggered!");
rp2040.reboot();
}
float envtemp = analogRead(28);
envtemp = envtemp / 1024.0 * 3300; // voltage in mV
envtemp /= 10.0; // 10.0 mv/C
envtemp -= 50; // offset 500mV = 0C
// TODO: report temps somehow to dashboard
digitalWrite(LED_BUILTIN, HIGH);
delay(50);
digitalWrite(LED_BUILTIN, LOW);
delay(50);
}

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