Domanda La sezione dati supera lo spazio disponibile nella scheda

Noel Moreida

Utente Iron
4 Agosto 2021
10
7
2
12
C:
Arduino:1.8.12 (Windows 10), Development board: "Arduino Uno"

The project uses 6336 bytes, which occupies (19%) of the program storage space. The maximum is 32256 bytes. data section exceeds available space in board

Global variables used 3046 bytes, (148%) of dynamic memory, leaving -998 bytes for local variables. The maximum is 2048 bytes.
There is not enough memory; visit the following URL to follow the instructions to reduce memory usage.
http://www.arduino.cc/en/Guide/Troubleshooting#size
Error while compiling for development board Arduino Uno.

Turn on in File -> Preferences
"Show detailed output during compilation" option
This report will contain more information.
 
Anzitutto, cerca di essere piu' descrittivo nei tuoi post, non limitarti ad incollare il tuo messaggio di errore.

Detto cio', come puoi leggere tu stesso, le variabili globali del tuo programma prendono il 148% dello spazio a disposizione, dunque devi pensare ad operare un'ottimizzazione. Per esperienza, ti dico che questo problema e' spesso dato dato dall'allocazione statica di array di grandi dimensioni (fattispecie multidimensionali), quindi se sono presenti devi ricercare li' il tuo problema. Se vorrai postare anche il codice o quantomeno la dichiarazione delle variabili globali, saro' lieto di provare a darti qualche consiglio per ottimizzare.
 
No. Le variabili globali non inizializzate vengono inizializzate a zero e stanno in .bss.
.data riguarda solo variabili globali inizializzate ad un certo valore.

Riduci in qualche modo le strutture dati inizializzate.
 
Sto usando un touch screen seriale con un arduino uno, e il mio schermo seriale ha il suo proprio set di istruzioni per cui le stringhe saranno molto grandi.

C:
unsigned int r_flag1 = 0;
uint8_t   RecievedTemp1[30]       = {0};

uint8_t   cout_i = 0;
unsigned int quan_hang1 = 0;
unsigned int quan_hang2 = 0;
unsigned int quan_hang3 = 0;
unsigned int quan_lie1 = 0;
unsigned int quan_lie2 = 0;
unsigned int quan_lie3 = 0;
unsigned int quan_zuoxia = 0;
unsigned int quan_youxia = 0;


unsigned int cha_hang1 = 0;
unsigned int cha_hang2 = 0;
unsigned int cha_hang3 = 0;
unsigned int cha_lie1 = 0;
unsigned int cha_lie2 = 0;
unsigned int cha_lie3 = 0;
unsigned int cha_zuoxia = 0;
unsigned int cha_youxia = 0;
unsigned int cha[8]={0};
void setup()
{
   Serial.begin(115200);
   for(int i=3; i<=8; i++)
   pinMode(i,OUTPUT);
}

void loop(){

  if(Serial.available() != 0)
  {
//    for(cout_i = 0; cout_i < 30; cout_i ++)
//    {
//        //RecievedTemp1[cout_i] = Serial.readBytes(RecievedTemp1, 15);
//        Serial.readBytes(RecievedTemp1, 20);
//        //Serial.println(RecievedTemp1[cout_i]);
//    }
    Serial.readBytes(RecievedTemp1, 20);
//    for(cout_i = 0; cout_i < 19; cout_i ++)
//    {
//    Serial.println(RecievedTemp1[cout_i]);
//    }
    switch(RecievedTemp1[13])
  {
  case 49:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image2\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang1++;
        quan_lie1++;
        quan_youxia++;
//        quan[0]++;
//        quan[3]++;
//        quan[7]++;
        Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button1\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image2\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
            cha_hang1++;
            cha_lie1++;
            cha_youxia++;
//        cha[0]++;
//        cha[3]++;
//        cha[7]++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button1\",\"enable\":false}>ET");
        }
        
        break;
  case 50:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image3\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang1++;
            quan_lie2++;
//        quan[0]++;
//        quan[4]++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button2\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image3\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang1++;
           cha_lie2++;
//        cha[0]++;
//        cha[4]++;
           Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button2\",\"enable\":false}>ET");
        }
        break;
  case 51:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image4\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang1++;
            quan_lie3++;
            quan_zuoxia++;
//        quan[0]++;
//        quan[5]++;
//        quan[6]++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button3\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image4\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang1++;
           cha_lie3++;
            cha_zuoxia++;
//        cha[0]++;
//        cha[5]++;
//        cha[6]++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button3\",\"enable\":false}>ET");
        }
        break;
  case 52:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image5\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang2++;
            quan_lie1++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button4\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image5\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang2++;
           cha_lie1++;
           Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button4\",\"enable\":false}>ET");
        }
        break;
  case 53:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image6\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang2++;
            quan_lie2++;
            quan_zuoxia++;
            quan_youxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button5\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image6\",\"image\":\"x\"}>ET");
          r_flag1 = 0;
          cha_hang2++;
            cha_lie2++;
            cha_zuoxia++;
            cha_youxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button5\",\"enable\":false}>ET");
        }
        break;       
  case 54:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image7\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang2++;
            quan_lie3++;
//        quan[1]++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button6\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image7\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang2++;
           cha_lie3++;
           Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button6\",\"enable\":false}>ET");
        }
        break;       
  case 55:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image8\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang3++;
            quan_lie1++;
            quan_zuoxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button7\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image8\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang3++;
           cha_lie1++;
            cha_zuoxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button7\",\"enable\":false}>ET");
        }
        break;       
  case 56:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image9\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang3++;
            quan_lie2++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button8\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image9\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         cha_hang3++;
           cha_lie2++;
           Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button8\",\"enable\":false}>ET");
        }
        break;       
  case 57:
        if((r_flag1 == 0)&&(RecievedTemp1[14]==2))
        {
        Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image10\",\"image\":\"circle\"}>ET");
        r_flag1 = 1;
        quan_hang3++;
            quan_lie3++;
            quan_youxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button9\",\"enable\":false}>ET");
        }
        else if((r_flag1 == 1)&&(RecievedTemp1[14]==2))
        {
          Serial.println("ST<{\"cmd_code\":\"set_image\",\"type\":\"image\",\"widget\":\"image10\",\"image\":\"x\"}>ET");
         r_flag1 = 0;
         quan_hang3++;
           quan_lie3++;
            quan_youxia++;
            Serial.println("ST<{\"cmd_code\":\"set_enable\",\"type\":\"widget\",\"widget\":\"button9\",\"enable\":false}>ET");
        }
        break;
  }
  if((quan_hang1==3)||(cha_hang1==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif4\",\"visible\":true}>ET");
      }
      else if((quan_hang2==3)||(cha_hang2==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif5\",\"visible\":true}>ET");
      }
      else if((quan_hang3==3)||(cha_hang3==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif6\",\"visible\":true}>ET");
      }
      else if((quan_lie1==3)||(cha_lie1==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif7\",\"visible\":true}>ET");
      }
      else if((quan_lie2==3)||(cha_lie2==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif8\",\"visible\":true}>ET");
      }
      else if((quan_lie3==3)||(cha_lie3==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif9\",\"visible\":true}>ET");
      }
      else if((quan_zuoxia==3)||(cha_zuoxia==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif10\",\"visible\":true}>ET");
      }
      else if((quan_youxia==3)||(cha_youxia==3))
      {
            Serial.println("ST<{\"cmd_code\":\"set_visible\",\"type\":\"widget\",\"widget\":\"gif11\",\"visible\":true}>ET");
      }
  }
}
 
molte parti delle stringhe sono comuni.

Crea qualcosa come

Codice:
#define CMD_CODE "{\"cmd_code\""
etc etc

enum cmd {
        cmd1,
        cmd2,
};

 e poi
void compose_command(int cmd)
{
     switch/case e componi il comando usando i define
}

Risparmierai abbastanza spazio memoria flash.