Im having a terrible time trying to figure out why this header file isnt working for the example code for “Moving head” in the example for the Sparkfun DMX shielf. Im wondering if its because of a library conflict, or a particular new package that broke the code. I’m desperate for a fix! Here is the code:
/*
Read the 5 Channels of DMX Data coming from an ESP32 shield running Example 1
By: Andy England
SparkFun Electronics
Date: , 2018
License: GNU. See license file for more information but you can
basically do whatever you want with this code.
This example runs two servos and a number of LED's off of 5 DMX channels
Feel like supporting open source hardware?
Buy a board from SparkFun! https://www.sparkfun.com/products/15110
Hardware Connections:
Connect pan/tilt servos to pins DATA1 and DATA2, connect LEDs to CLOCK and DATA0. Connect a DMX XLR-3 Cable in between the Output and Input shields
*/
#include <WiFi.h>
#include <WiFiUdp.h>
#include <ArtnetWifi.h> //https://github.com/rstephan/ArtnetWifi
#include <FastLED.h>
#include <ESP32Servo.h>
//Wifi settings
char ssid[] = "myDMX"; //Change these lines to an existing SSID and Password if you're trying to connect to an existing network
char password[] = "artnetnode";
// Artnet settings
ArtnetWifi artnet;
WiFiUdp UdpSend;
const int startUniverse = 0;
const int endUniverse = 0;//end Universe should be total channels/512
bool sendFrame = 1;
int previousDataLength = 0;
//Pin Definitions for ESP32 WROOM
#define CLOCK 5
#define DATA0 19
#define DATA1 18
#define DATA2 27
//Channel and Peripheral Definitions
#define NUM_LEDS 64
#define NUM_LED_CHANNELS NUM_LEDS * 3 //Ends up being 192 channels for our 8x8 LED matrix
#define PAN_CHANNEL 193
#define TILT_CHANNEL 194
CRGB matrix[NUM_LEDS];
Servo pan;
Servo tilt;
uint8_t hue = 0;
boolean connectWifi(void) //Sets our ESP32 device up as an access point
{
boolean state = true;
WiFi.mode(WIFI_AP_STA);
state = WiFi.softAP(ssid, password);
//Comment out the above two lines and uncomment the below line to connect to an existing network specified on lines 8 and 9
//state = WiFi.begin(ssid, password);
return state;
}
void onDmxFrame(uint16_t universe, uint16_t length, uint8_t sequence, uint8_t* data)
{
// read universe and put into the right part of the display buffer
//DMX data should be sent with the first LED in the string on channel 0 of Universe 0
for (int channel = 0; channel < length; channel++)
{
if (channel < NUM_LED_CHANNELS && channel % 3 == 0) //Only write on every 3rd piece of data so we correctly parse things into our RGB array
{
matrix[channel / 3] = CRGB(data[channel], data[channel + 1], data[channel + 2]);
}
else if (channel == PAN_CHANNEL - 1) //Subtract 1 due to the fact that we index at 0 and ignore the startcode
{
pan.write(map(data[channel], 0, 255, 0, 160));
}
else if (channel == TILT_CHANNEL - 1)
{
tilt.write(map(data[channel], 0, 255, 0, 160));
}
}
previousDataLength = length;
if (universe == endUniverse) //Display our data if we have received all of our universes, prevents incomplete frames when more universes are concerned.
{
FastLED.show();
UdpSend.flush();
}
}
void setup()
{
Serial.begin(115200);
//Fixture Hardware Declarations
FastLED.addLeds<APA102, DATA0, CLOCK, BGR>(matrix, NUM_LEDS);
pan.attach(DATA1);
tilt.attach(DATA2);
if (connectWifi())
{
Serial.println("Connected!");
}
artnet.begin();
artnet.setArtDmxCallback(onDmxFrame);
}
void loop()
{
artnet.read();
}
And here is the error
Arduino: 1.8.13 (Windows 10), Board: "SparkFun ESP32 Thing Plus, 80MHz, Default (6.25MB APP/OTA/3.43MB SPIFFS), 921600, Verbose"
In file included from C:\Users\Monk\AppData\Local\Temp\arduino_modified_sketch_470947\Example3-MovingHead.ino:19:0:
C:\Users\Monk\Documents\Arduino\libraries\FastLED\src/FastLED.h:14:21: note: #pragma message: FastLED version 3.004.000
# pragma message "FastLED version 3.004.000"
^
In file included from C:\Users\Monk\Documents\Arduino\libraries\FastLED\src/FastLED.h:65:0,
from C:\Users\Monk\AppData\Local\Temp\arduino_modified_sketch_470947\Example3-MovingHead.ino:19:
C:\Users\Monk\Documents\Arduino\libraries\FastLED\src/fastspi.h:135:23: note: #pragma message: No hardware SPI pins defined. All SPI access will default to bitbanged output
# pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output"
^
Example3-MovingHead:28:1: error: 'WiFiUdp' does not name a type
WiFiUdp UdpSend;
^
C:\Users\Monk\AppData\Local\Temp\arduino_modified_sketch_470947\Example3-MovingHead.ino: In function 'void onDmxFrame(uint16_t, uint16_t, uint8_t, uint8_t*)':
Example3-MovingHead:85:2: error: 'UdpSend' was not declared in this scope
UdpSend.flush();
^
Multiple libraries were found for "WiFi.h"
Used: C:\Users\Monk\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.6\libraries\WiFi
Not used: C:\Program Files (x86)\Arduino\libraries\WiFi
exit status 1
'WiFiUdp' does not name a type
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
