I have this problem while compiling a sketch, i made it in C++ and works perfectly, and when i tried to translate to ARDUINO, it gave me the error "invalid conversion from const char* to long int", i don´t know what is happening, i tried searching for help on google but didn´t find something that could help.
this is the code:
#include "math.h"
#include "stdlib.h"
#include "stdio.h"
float AC=4,AB=6,BC=5,BX,BY,alfa,beta,gama,beta1,gama1,Cadena[2];
char *p,*P1;
char Pantalla[]="Las coordenadas de B son: ";
void Marca()
{
char cadena[]="011100010111100110101011110";
char *p,P1;
//p=&cadena;
p=&cadena[0];
P1=&Pantalla[0];
while (*p!='\0')
{
if(*p=='0'){
Serial.print("%c ",*P1);} //here appears the error
if(*p=='1'){
Serial.print("%c",*P1);}
p++;
P1++;
}
}
void setup ()
{
Serial.begin(9600);
Serial.print("\nPrograma para calculo de coordenadas de B:\n\n ");
alfa = acos(((BCBC)-(ABAB)-(ACAC))/(-2(ABAC)));
beta = acos(((ACAC)-(BCBC)-(ABAB))/(-2*(BCAB)));
gama = acos(((ABAB)-(BCBC)-(ACAC))/(-2*(BCAC)));
gama1 = 1.5707-gama;
beta1 = 1.5707-gama1;
BX = sin ((gama1)(BC));
BY = sqrt((BCBC)-(BXBX));
Cadena[0]=BX;
Cadena[1]=BY;
Marca();
Serial.print(Cadena[0]);
Serial.print(",\t");
Serial.print(Cadena[1]);
Serial.print(")\t");
}
void loop()
{
}
Thanks for any help!!