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ISO C++ forbids comparison between pointer and integer [-fpermissive]

http://esp32.io/viewtopic.php?f=19&t=12697

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ISO C++ forbids comparison between pointer and integer [-fpermissive]

Posted: Mon Oct 14, 2019 3:45 pm
by Selectronics50
HI
I'm building a Wordclock,for that i wrote this code:

Code: Select all

const int wort_1[]={99,100};  //ES
const int wort_2[]={102,103,104};  //IST
const int wort_3[]={106,107,108,109};  //FÜNF
const int wort_4[]={98,97,96,95};  //ZEHN
const int wort_5[]={94,93,92,91,90,89,88};  //ZWANZIG
const int wort_6[]={81,82,83,84,85,86,87};  //VIERTEL
const int wort_7[]={76,75,74};  //VOR
const int wort_8[]={69,68,67,66};  //NACH
const int wort_9[]={55,56,57,58};  //HALB
const int wort_10[]={60,61,62}; //ELF
const int wort_11[]={62,63,64,65}; //FÜNF
const int wort_12[]={54,53,52,51}; //EINS
const int wort_13[]={47,46,45,44}; //ZWEI
const int wort_14[]={33,34,35,36}; //DREI
const int wort_15[]={40,41,42,43}; //VIER
const int wort_16[]={32,31,30,29,28}; //SECHS
const int wort_17[]={25,24,23,22}; //ACHT
const int wort_18[]={11,12,13,14,15,16}; //SIEBEN
const int wort_19[]={17,18,19,20,21}; //ZWÖLF
const int wort_20[]={10,9,8,7}; //ZEHN
const int wort_21[]={7,6,5,4}; //NEUN
const int wort_22[]={2,1,0}; //UHR


const int zeit_1m[]={};
const int zeit_2m[]={};
const int zeit_3m[]={5,25,35,55};
const int zeit_4m[]={10,50};
const int zeit_5m[]={20,40};
const int zeit_6m[]={15,45};
const int zeit_7m[]={25,40,45,50,55};
const int zeit_8m[]={5,10,15,20,35};
const int zeit_9m[]={25,30,35};
const int zeit_10m[]={};
const int zeit_11m[]={};
const int zeit_12m[]={};
const int zeit_13m[]={};
const int zeit_14m[]={};
const int zeit_15m[]={};
const int zeit_16m[]={};
const int zeit_17m[]={};
const int zeit_18m[]={};
const int zeit_19m[]={};
const int zeit_20m[]={};
const int zeit_21m[]={};
const int zeit_22m[]={0};


const int zeit_1h[]={};
const int zeit_2h[]={};
const int zeit_3h[]={};
const int zeit_4h[]={};
const int zeit_5h[]={};
const int zeit_6h[]={};
const int zeit_7h[]={};
const int zeit_8h[]={};
const int zeit_9h[]={};
const int zeit_10h[]={11,23};
const int zeit_11h[]={5,17};
const int zeit_12h[]={1,13};
const int zeit_13h[]={2,14};
const int zeit_14h[]={3,15};
const int zeit_15h[]={4,16};
const int zeit_16h[]={6,18};
const int zeit_17h[]={8,20};
const int zeit_18h[]={7,19};
const int zeit_19h[]={12,0,24};
const int zeit_20h[]={10,22};
const int zeit_21h[]={9,21};
const int zeit_22h[]={};


const int* zeit_m[]={zeit_1m, zeit_2m, zeit_3m, zeit_4m, zeit_5m, zeit_6m, zeit_7m, zeit_8m, zeit_9m, zeit_10m, zeit_11m, zeit_12m, zeit_13m, zeit_14m, zeit_15m, zeit_16m, zeit_17m, zeit_18m, zeit_19m, zeit_20m, zeit_21m, zeit_22m};
const int* zeit_h[]={zeit_1h, zeit_2h, zeit_3h, zeit_4h, zeit_5h, zeit_6h, zeit_7h, zeit_8h, zeit_9h, zeit_10h, zeit_11h, zeit_12h, zeit_13h, zeit_14h, zeit_15h, zeit_16h, zeit_17h, zeit_18h, zeit_19h, zeit_20h, zeit_21h, zeit_22h};
const int* wort_LEDs[]={wort_1, wort_2, wort_3, wort_4, wort_5, wort_6, wort_7, wort_8, wort_9, wort_10, wort_11, wort_12, wort_13, wort_14, wort_15, wort_16, wort_17, wort_18, wort_19, wort_20, wort_21, wort_22};


int Anzahlwoerter = 22;


#include <NTPClient.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

const char *ssid     = "Glattalp";
const char *password = "toedel99%";

WiFiUDP ntpUDP;

NTPClient timeClient(ntpUDP, "ch.pool.ntp.org", 7200, 60000);

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif
#define PIN        14 // Anschluss PIN
#define NUMPIXELS 110 //Anzahl LED's

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#include <sstream>
#include <string>
#include <iostream>

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

  WiFi.begin(ssid, password);

  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 500 );
    Serial.print ( "." );

  }
  pixels.begin();
}

void loop(){
  const int minuten = timeClient.getMinutes();
  const int stunden = timeClient.getHours();
 
  pixels.show();
  for (int Wort = 0; Wort < Anzahlwoerter; Wort++) {
     if(zeit_m[Wort] == minuten) {
         pixels.setPixelColor(wort_LEDs[Wort], pixels.Color(150, 150, 150));
      }
  }
  for (int Wort = 0; Wort < Anzahlwoerter; Wort++) {
      if(zeit_h[Wort] == stunden ) {
          pixels.setPixelColor(wort_LEDs[Wort], pixels.Color(150, 150, 150));
      }
  }
    timeClient.update();

    Serial.print(timeClient.getHours());
    Serial.print(":");
    Serial.print(timeClient.getMinutes());
    Serial.println();
}


now comes the error message: ISO C++ forbids comparison between pointer and integer [-fpermissive]
at the line: "if(zeit_h[Wort] == stunden ) {" im void loop

What have I done wrong here and what do I have to change?



Thanks for helping!

Selectronics50

Re: ISO C++ forbids comparison between pointer and integer [-fpermissive]

Posted: Tue Oct 15, 2019 7:27 am
by boarchuz
const int* zeit_m[]
zeit_m (same for zeit_h) is an array of pointers, not an array of ints. You need to dereference these pointers to get the int that they point to.
if(*zeit_m[Wort] == minuten) {

Re: ISO C++ forbids comparison between pointer and integer [-fpermissive]

Posted: Wed Oct 16, 2019 4:21 pm
by Selectronics50
Thanks


this is my new code :

Code: Select all

const int wort_1[]={99,100};  //ES
const int wort_2[]={102,103,104};  //IST
const int wort_3[]={106,107,108,109};  //FÜNF
const int wort_4[]={98,97,96,95};  //ZEHN
const int wort_5[]={94,93,92,91,90,89,88};  //ZWANZIG
const int wort_6[]={81,82,83,84,85,86,87};  //VIERTEL
const int wort_7[]={76,75,74};  //VOR
const int wort_8[]={69,68,67,66};  //NACH
const int wort_9[]={55,56,57,58};  //HALB
const int wort_10[]={60,61,62}; //ELF
const int wort_11[]={62,63,64,65}; //FÜNF
const int wort_12[]={54,53,52,51}; //EINS
const int wort_13[]={47,46,45,44}; //ZWEI
const int wort_14[]={33,34,35,36}; //DREI
const int wort_15[]={40,41,42,43}; //VIER
const int wort_16[]={32,31,30,29,28}; //SECHS
const int wort_17[]={25,24,23,22}; //ACHT
const int wort_18[]={11,12,13,14,15,16}; //SIEBEN
const int wort_19[]={17,18,19,20,21}; //ZWÖLF
const int wort_20[]={10,9,8,7}; //ZEHN
const int wort_21[]={7,6,5,4}; //NEUN
const int wort_22[]={2,1,0}; //UHR


const int zeit_1m[]={};
const int zeit_2m[]={};
const int zeit_3m[]={5,25,35,55};
const int zeit_4m[]={10,50};
const int zeit_5m[]={20,40};
const int zeit_6m[]={15,45};
const int zeit_7m[]={25,40,45,50,55};
const int zeit_8m[]={5,10,15,20,35};
const int zeit_9m[]={25,30,35};
const int zeit_10m[]={};
const int zeit_11m[]={};
const int zeit_12m[]={};
const int zeit_13m[]={};
const int zeit_14m[]={};
const int zeit_15m[]={};
const int zeit_16m[]={};
const int zeit_17m[]={};
const int zeit_18m[]={};
const int zeit_19m[]={};
const int zeit_20m[]={};
const int zeit_21m[]={};
const int zeit_22m[]={0};


const int zeit_1h[]={};
const int zeit_2h[]={};
const int zeit_3h[]={};
const int zeit_4h[]={};
const int zeit_5h[]={};
const int zeit_6h[]={};
const int zeit_7h[]={};
const int zeit_8h[]={};
const int zeit_9h[]={};
const int zeit_10h[]={11,23};
const int zeit_11h[]={5,17};
const int zeit_12h[]={1,13};
const int zeit_13h[]={2,14};
const int zeit_14h[]={3,15};
const int zeit_15h[]={4,16};
const int zeit_16h[]={6,18};
const int zeit_17h[]={8,20};
const int zeit_18h[]={7,19};
const int zeit_19h[]={12,0,24};
const int zeit_20h[]={10,22};
const int zeit_21h[]={9,21};
const int zeit_22h[]={};


const int* zeit_m[]={5, 25, 35, 55, 10, 50, 20, 40, 15, 45, 25, 40, 45, 50, 55, 5, 10, 15, 20, 35, 25, 30, 35};
const int* zeit_h[]={11, 23, 5, 17, 1, 13, 2, 14, 3, 15, 4, 16, 6, 18, 8, 20, 7, 19, 12, 0, 24, 10, 22, 9, 21};
const int* wort_LEDs_m[]={wort_3, wort_3, wort_3, wort_3, wort_4, wort_4, wort_5, wort_5, wort_6, wort_6, wort_7, wort_7, wort_7, wort_7, wort_7, wort_8, wort_8, wort_8, wort_8, wort_8, wort_9, wort_9, wort_9};
const int* wort_LEDs_h[]={wort_10, wort_10, wort_11, wort_11, wort_12, wort_12, wort_13, wort_13, wort_14, wort_14, wort_15, wort_15, wort_16, wort_16, wort_17, wort_17, wort_18, wort_18, wort_19, wort_19, wort_19, wort_20, wort_20, wort_21, wort_21};


int Anzahlwoerter = 22;


#include <NTPClient.h>
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

const char *ssid     = "Glattalp";
const char *password = "toedel99%";

WiFiUDP ntpUDP;

NTPClient timeClient(ntpUDP, "ch.pool.ntp.org", 7200, 60000);

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif
#define PIN        14 // Anschluss PIN
#define NUMPIXELS 110 //Anzahl LED's

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

#include <sstream>
#include <string>
#include <iostream>

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

  WiFi.begin(ssid, password);

  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 500 );
    Serial.print ( "." );

  }
  pixels.begin();
}  

void loop(){
  const int minuten = timeClient.getMinutes();
  const int stunden = timeClient.getHours();
 
  pixels.show();
  for (int Wort = 0; Wort < Anzahlwoerter; Wort++) {
     if(*zeit_m[Wort] == minuten) {
         pixels.setPixelColor(*wort_LEDs_m[Wort], pixels.Color(150, 150, 150));
      }
  }
  for (int Wort = 0; Wort < Anzahlwoerter; Wort++) {
      if(*zeit_h[Wort] == stunden ) {
          pixels.setPixelColor(*wort_LEDs_h[Wort], pixels.Color(150, 150, 150));
      }
  }
    timeClient.update();

    Serial.print(stunden);
    Serial.print(":");
    Serial.print(minuten);
    Serial.println();
}


and now i get the message: invalid conversion from 'int' to 'const int*' [-fpermissive]
at the line: const int* zeit_h[]={11, 23, 5, 17, 1, 13, 2, 14, 3, 15, 4, 16, 6, 18, 8, 20, 7, 19, 12, 0, 24, 10, 22, 9, 21};


what did i do wrong now?


Selectronics 50

Re: ISO C++ forbids comparison between pointer and integer [-fpermissive]

Posted: Wed Oct 23, 2019 11:37 am
by Selectronics50
?
All times are UTC
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