// Demonstrates reversed text (as if on front of an ambulance)
//
// MD_MAX72XX library can be found at https://github.com/MajicDesigns/MD_MAX72XX
//

#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>
#include <Adafruit_MPU6050.h>
#include <Adafruit_Sensor.h>
#include <Wire.h>
Adafruit_MPU6050 mpu;


// Define the number of devices we have in the chain and the hardware interface
// NOTE: These pin numbers will probably not work with your hardware and may
// need to be adapted
#define HARDWARE_TYPE MD_MAX72XX::PAROLA_HW
#define MAX_DEVICES 8

#define PAUSE_TIME    1000
#define SCROLL_SPEED  50

#define CLK_PIN   13
#define DATA_PIN  11
#define CS_PIN    10
float x1;
float y1;
float z1;
// HARDWARE SPI
MD_Parola P = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
// SOFTWARE SPI
//MD_Parola P = MD_Parola(HARDWARE_TYPE, DATA_PIN, CLK_PIN, CS_PIN, MAX_DEVICES);


const char *msg1[] =
{
 "gnivom ton",
};
const char *msg2[] =
{
 "forward"
};
const char *msg3[] =
{
 " backward",
};
const char *msg4[] =
{
 " right",
};
const char *msg5[] =
{
 " left ",
};
const char *msg6[] =
{
 " ↑",
};
const char *msg7[] =
{
 " inward",
};


void setup(void)
{  Serial.begin(115200);

  while (!mpu.begin()) {
    Serial.println("MPU6050 not connected!");
    
    delay(1000);
  }
  Serial.println("MPU6050 ready!");
  // initialise the LED display
  P.begin();
  P.setZoneEffect(0, true, PA_FLIP_LR);
}
sensors_event_t event;
void loop(void)
{  mpu.getAccelerometerSensor()->getEvent(&event);
  x1=event.acceleration.x;
  y1=event.acceleration.y;
  z1=event.acceleration.z;
  Serial.print("x");
Serial.println(x1);
Serial.print("y");
Serial.println(y1);
Serial.print("z");
Serial.println(z1);
↑
  static uint8_t cycle = 0;

  if (P.displayAnimate() )
  { if (x1==0 && y1==0 && z1==0)
  {
    // set up the string
    P.displayText(msg1[cycle], PA_CENTER, SCROLL_SPEED, PAUSE_TIME, PA_PRINT, PA_NO_EFFECT);

    // prepare for next pass
    cycle = (cycle + 1) % ARRAY_SIZE(msg1);
  }
  else if(x1>0)
  { P.displayText(msg2[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg2);}
else if(x1<0)
  { P.displayText(msg3[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg3);}
else if(y1>0)
  { P.displayText(msg4[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg4);}
  else if(y1<0)
  { P.displayText(msg5[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg5);}
  else if(z1>0)
  { P.displayText(msg6[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg6);}
  else if(z1<0)
  { P.displayText(msg7[cycle],PA_CENTER, SCROLL_SPEED,PAUSE_TIME,PA_PRINT,PA_NO_EFFECT);
  cycle=(cycle+1)% ARRAY_SIZE(msg7);}


  
  
}}