Add wifi sketch, i2cscanner
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// --------------------------------------
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// i2c_scanner
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//
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// Version 1
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// This program (or code that looks like it)
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// can be found in many places.
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// For example on the Arduino.cc forum.
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// The original author is not know.
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// Version 2, Juni 2012, Using Arduino 1.0.1
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// Adapted to be as simple as possible by Arduino.cc user Krodal
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// Version 3, Feb 26 2013
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// V3 by louarnold
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// Version 4, March 3, 2013, Using Arduino 1.0.3
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// by Arduino.cc user Krodal.
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// Changes by louarnold removed.
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// Scanning addresses changed from 0...127 to 1...119,
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// according to the i2c scanner by Nick Gammon
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// https://www.gammon.com.au/forum/?id=10896
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// Version 5, March 28, 2013
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// As version 4, but address scans now to 127.
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// A sensor seems to use address 120.
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// Version 6, November 27, 2015.
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// Added waiting for the Leonardo serial communication.
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//
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//
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// This sketch tests the standard 7-bit addresses
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// Devices with higher bit address might not be seen properly.
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//
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#include <Wire.h>
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void setup()
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{
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Wire.begin();
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Serial.begin(9600);
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while (!Serial); // Leonardo: wait for serial monitor
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Serial.println("\nI2C Scanner");
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}
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void loop()
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{
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byte error, address;
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int nDevices;
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Serial.println("Scanning...");
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nDevices = 0;
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for(address = 1; address < 127; address++ )
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{
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// The i2c_scanner uses the return value of
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// the Write.endTransmisstion to see if
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// a device did acknowledge to the address.
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Wire.beginTransmission(address);
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error = Wire.endTransmission();
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if (error == 0)
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{
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Serial.print("I2C device found at address 0x");
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if (address<16)
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Serial.print("0");
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Serial.print(address,HEX);
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Serial.println(" !");
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nDevices++;
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}
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else if (error==4)
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{
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Serial.print("Unknown error at address 0x");
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if (address<16)
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Serial.print("0");
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Serial.println(address,HEX);
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}
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}
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if (nDevices == 0)
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Serial.println("No I2C devices found\n");
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else
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Serial.println("done\n");
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delay(5000); // wait 5 seconds for next scan
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}
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@ -141,6 +141,7 @@ void setup() {
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// get expected DMP packet size for later comparison
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packetSize = mpu.dmpGetFIFOPacketSize();
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} else {
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Serial.println("Error: " + String(devStatus));
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emsg.add("DMP Initialization failed (code " + String(devStatus) + ")");
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SLIPSerial.beginPacket();
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emsg.send(SLIPSerial);
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// ESP32 Dev Module
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#include "Wire.h"
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#include "MPU6050_6Axis_MotionApps20.h"
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#include <OSCBoards.h>
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#include <OSCMessage.h>
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/*
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Make an OSC message and send it over serial
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*/
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#ifdef BOARD_HAS_USB_SERIAL
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#include <SLIPEncodedUSBSerial.h>
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SLIPEncodedUSBSerial SLIPSerial( thisBoardsSerialUSB );
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#else
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#include <SLIPEncodedSerial.h>
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SLIPEncodedSerial SLIPSerial(Serial); // Change to Serial1 or Serial2 etc. for boards with multiple serial ports that don’t have Serial
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#endif
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// WIFI
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#include <WiFi.h>
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const char* ssid = "Grajski"; // your network SSID (name of wifi network)
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const char* password = "nedeladanes"; // your network password
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// Multicast IP / port
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const IPAddress castIp = IPAddress(224,0,1,9);
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const int port = 6696;
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bool connected = false;
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//#include "AsyncUDP.h"
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//AsyncUDP udp;
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#include <WiFiUdp.h>
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WiFiUDP udp;
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MPU6050 mpu;
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// uncomment "OUTPUT_READABLE_QUATERNION" if you want to see the actual
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// quaternion components in a [w, x, y, z] format (not best for parsing
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// on a remote host such as Processing or something though)
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#define OUTPUT_READABLE_QUATERNION
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// uncomment "OUTPUT_READABLE_EULER" if you want to see Euler angles
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// (in degrees) calculated from the quaternions coming from the FIFO.
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// Note that Euler angles suffer from gimbal lock (for more info, see
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// http://en.wikipedia.org/wiki/Gimbal_lock)
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//#define OUTPUT_READABLE_EULER
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// uncomment "OUTPUT_READABLE_YAWPITCHROLL" if you want to see the yaw/
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// pitch/roll angles (in degrees) calculated from the quaternions coming
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// from the FIFO. Note this also requires gravity vector calculations.
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// Also note that yaw/pitch/roll angles suffer from gimbal lock (for
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// more info, see: http://en.wikipedia.org/wiki/Gimbal_lock)
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#define OUTPUT_READABLE_YAWPITCHROLL
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// uncomment "OUTPUT_READABLE_REALACCEL" if you want to see acceleration
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// components with gravity removed. This acceleration reference frame is
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// not compensated for orientation, so +X is always +X according to the
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// sensor, just without the effects of gravity. If you want acceleration
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// compensated for orientation, us OUTPUT_READABLE_WORLDACCEL instead.
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//#define OUTPUT_READABLE_REALACCEL
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// uncomment "OUTPUT_READABLE_WORLDACCEL" if you want to see acceleration
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// components with gravity removed and adjusted for the world frame of
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// reference (yaw is relative to initial orientation, since no magnetometer
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// is present in this case). Could be quite handy in some cases.
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#define OUTPUT_READABLE_WORLDACCEL
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// MPU control/status vars
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bool dmpReady = false; // set true if DMP init was successful
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uint8_t mpuIntStatus; // holds actual interrupt status byte from MPU
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uint8_t devStatus; // return status after each device operation (0 = success, !0 = error)
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uint16_t packetSize; // expected DMP packet size (default is 42 bytes)
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uint16_t fifoCount; // count of all bytes currently in FIFO
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uint8_t fifoBuffer[64]; // FIFO storage buffer
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// orientation/motion vars
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Quaternion q; // [w, x, y, z] quaternion container
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VectorInt16 aa; // [x, y, z] accel sensor measurements
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VectorInt16 gy; // [x, y, z] gyro sensor measurements
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VectorInt16 aaReal; // [x, y, z] gravity-free accel sensor measurements
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VectorInt16 aaWorld; // [x, y, z] world-frame accel sensor measurements
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VectorFloat gravity; // [x, y, z] gravity vector
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float euler[3]; // [psi, theta, phi] Euler angle container
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float ypr[3]; // [yaw, pitch, roll] yaw/pitch/roll container and gravity vector
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// Sem dobimo vrednosti
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int16_t AcX,AcY,AcZ;
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float GyX, GyY, GyZ;
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// Keys
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byte keys[] = {16, 17, 5, 18};
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byte pressed[] = {0, 0, 0, 0};
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byte KEYLEN = 4;
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OSCMessage msg("/accel/");
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OSCMessage gmsg("/gyro/");
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OSCMessage emsg("/error/");
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OSCMessage kmsg("/keys/");
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OSCMessage qmsg("/quaternion/");
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void connectToWiFi(const char * ssid, const char * pwd){
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Serial.println("Connecting to WiFi network: " + String(ssid));
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// delete old config
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WiFi.disconnect(true);
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//register event handler
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WiFi.onEvent(WiFiEvent);
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//Initiate connection
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WiFi.begin(ssid, pwd);
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Serial.println("Waiting for WIFI connection...");
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}
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//wifi event handler
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void WiFiEvent(WiFiEvent_t event){
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switch(event) {
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case ARDUINO_EVENT_WIFI_STA_GOT_IP:
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//When connected set
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Serial.print("WiFi connected! IP address: ");
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Serial.println(WiFi.localIP());
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//initializes the UDP state
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//This initializes the transfer buffer
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udp.begin(WiFi.localIP(),6000);
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connected = true;
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break;
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case ARDUINO_EVENT_WIFI_STA_DISCONNECTED:
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connected = false;
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Serial.println("\n\n\n================\nLOST WIFI CONNECTION!\n\n\nTrying again soon...\n\n\n");
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delay(1000);
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connectToWiFi(ssid, password);
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break;
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default: break;
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}
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}
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void setup() {
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Wire.begin();
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Wire.setClock(400000); // 400kHz I2C clock. Comment this line if having compilation difficulties
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SLIPSerial.begin(115200); // set this as high as you can reliably run on your platform
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// Keys
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for(int i = 0; i < KEYLEN; i++) {
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pinMode(keys[i], INPUT_PULLUP);
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}
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mpu.initialize();
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mpu.setFullScaleGyroRange(MPU6050_GYRO_FS_250);
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mpu.setFullScaleAccelRange(MPU6050_ACCEL_FS_2);
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// DMP init
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devStatus = mpu.dmpInitialize();
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// supply your own gyro offsets here, scaled for min sensitivity
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// !!! Run Zero IMU to get readings
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/* First proto (right hand, black&blue)
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mpu.setXGyroOffset(76);
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mpu.setYGyroOffset(68);
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mpu.setZGyroOffset(10);
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mpu.setXAccelOffset(-3527);
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mpu.setYAccelOffset(-913);
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mpu.setZAccelOffset(1027);
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*/
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/* Second proto, translucent / white */
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mpu.setXGyroOffset(-3650);
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mpu.setYGyroOffset(-2531);
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mpu.setZGyroOffset(1131);
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mpu.setXAccelOffset(162);
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mpu.setYAccelOffset(-16);
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mpu.setZAccelOffset(-12);
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// make sure it worked (returns 0 if so)
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if (devStatus == 0) {
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// Calibration Time: generate offsets and calibrate our MPU6050
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mpu.CalibrateAccel(6);
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mpu.CalibrateGyro(6);
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//Serial.println();
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//mpu.PrintActiveOffsets();
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// turn on the DMP, now that it's ready
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//Serial.println(F("Enabling DMP..."));
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mpu.setDMPEnabled(true);
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// set our DMP Ready flag so the main loop() function knows it's okay to use it
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//Serial.println(F("DMP ready! Waiting for first interrupt..."));
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dmpReady = true;
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// get expected DMP packet size for later comparison
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packetSize = mpu.dmpGetFIFOPacketSize();
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} else {
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Serial.println("Error: " + String(devStatus));
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emsg.add("DMP Initialization failed (code " + String(devStatus) + ")");
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SLIPSerial.beginPacket();
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emsg.send(SLIPSerial);
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SLIPSerial.endPacket();
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emsg.empty();
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// ERROR!
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// 1 = initial memory load failed
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// 2 = DMP configuration updates failed
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// (if it's going to break, usually the code will be 1)
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}
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// WIFI init
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Serial.print("Attempting to connect to SSID: ");
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Serial.println(ssid);
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connectToWiFi(ssid, password);
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// attempt to connect to Wifi network:
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while (WiFi.status() != WL_CONNECTED) {
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Serial.print(".");
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// wait 1 second for re-trying
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delay(1000);
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}
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Serial.print("Connected to ");
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Serial.println(ssid);
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//Serial.print("UDP connection: ");
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//Serial.println(udp.connect(castIp, port));
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}
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void loop() {
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// if programming failed, don't try to do anything
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if (!dmpReady) return;
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// read a packet from FIFO
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if (mpu.dmpGetCurrentFIFOPacket(fifoBuffer)) { // Get the Latest packet
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#ifdef OUTPUT_READABLE_QUATERNION
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// display quaternion values in easy matrix form: w x y z
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mpu.dmpGetQuaternion(&q, fifoBuffer);
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qmsg.add(q.w);
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qmsg.add(q.x);
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qmsg.add(q.y);
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qmsg.add(q.z);
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SLIPSerial.beginPacket();
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qmsg.send(SLIPSerial);
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SLIPSerial.endPacket();
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udp.beginPacket(castIp, port);
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qmsg.send(udp);
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udp.endPacket();
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qmsg.empty();
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#endif
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#ifdef OUTPUT_READABLE_EULER
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// display Euler angles in degrees
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mpu.dmpGetQuaternion(&q, fifoBuffer);
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mpu.dmpGetEuler(euler, &q);
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GyX = euler[0];
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GyY = euler[1];
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GyZ = euler[2];
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#endif
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#ifdef OUTPUT_READABLE_YAWPITCHROLL
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// display Euler angles in degrees
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mpu.dmpGetQuaternion(&q, fifoBuffer);
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mpu.dmpGetGravity(&gravity, &q);
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mpu.dmpGetYawPitchRoll(ypr, &q, &gravity);
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GyX = ypr[0];
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GyY = ypr[1];
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GyZ = ypr[2];
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#endif
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#ifdef OUTPUT_READABLE_REALACCEL
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// display real acceleration, adjusted to remove gravity
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mpu.dmpGetQuaternion(&q, fifoBuffer);
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mpu.dmpGetAccel(&aa, fifoBuffer);
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mpu.dmpGetGravity(&gravity, &q);
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mpu.dmpGetLinearAccel(&aaReal, &aa, &gravity);
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AcX = aaReal.x;
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AcY = aaReal.y;
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AcZ = aaReal.z;
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#endif
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#ifdef OUTPUT_READABLE_WORLDACCEL
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// display initial world-frame acceleration, adjusted to remove gravity
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// and rotated based on known orientation from quaternion
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mpu.dmpGetQuaternion(&q, fifoBuffer);
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mpu.dmpGetAccel(&aa, fifoBuffer);
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mpu.dmpGetGravity(&gravity, &q);
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mpu.dmpGetLinearAccel(&aaReal, &aa, &gravity);
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mpu.dmpGetLinearAccelInWorld(&aaWorld, &aaReal, &q);
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AcX = aaWorld.x;
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AcY = aaWorld.y;
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AcZ = aaWorld.z;
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#endif
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// Send over serial
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msg.add(AcX);
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msg.add(AcY);
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msg.add(AcZ);
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SLIPSerial.beginPacket();
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msg.send(SLIPSerial);
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SLIPSerial.endPacket();
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udp.beginPacket(castIp, port);
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msg.send(udp);
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udp.endPacket();
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msg.empty();
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/*
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gmsg.add(GyX);
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gmsg.add(GyY);
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gmsg.add(GyZ);
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SLIPSerial.beginPacket();
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gmsg.send(SLIPSerial);
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SLIPSerial.endPacket();
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gmsg.empty();
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*/
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// Send keys
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for(int i = 0; i < KEYLEN; i++) {
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pressed[i] = !digitalRead(keys[i]);
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kmsg.add(pressed[i]);
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}
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SLIPSerial.beginPacket();
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kmsg.send(SLIPSerial);
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SLIPSerial.endPacket();
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udp.beginPacket(castIp, port);
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kmsg.send(udp);
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udp.endPacket();
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kmsg.empty();
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}
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}
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