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Help Error message:"A numeric expression must to appear

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navi5

Joined: 12 Apr 2012
Posts: 2

Help Error message:"A numeric expression must to appear

Posted: Thu Apr 12, 2012 1:23 pm

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Hi, I need your your help. I can't find the problem with the following code. I tried to put {} because I read that someboody do this but it doesn't work. Its a program for control a robotic arm with PAP motors, that is activated with push-buttons. Well here is it:

Code:

void mp1d(void);
void mp1i(void); //here i declare the motors//
void mp2d(void);
void mp2i(void);
void mp3d(void);
void mp3i(void);
void m4d(void);
void m4i(void);
void m5d(void);
void m5i(void);

void inicializar(void)
{
set_tris_A(0b111111);
set_tris_B(0b00000000);
set_tris_C(0b10000000);
set_tris_D(0b00000000);
set_tris_E(0b111);

void main (void) <----------this is the body of the program
{ and here its the error.
inicializar();
while(TRUE){
if (RA0==1){
mp1d();
}
else
{ mp1i();
}
if (RA1==1)
{mp1i();}
if (RA2==1)
{mp2d();}
if (RA3==1)
{mp2i();}
if (RA4==1)
{mp3d();}
if (RA5==1)
{mp3i();}

if (RE0==1)
{m4d();}
if (RE1==1)
{m4i();}
if (RE2==1)
{m4d();}
if (RC0==1)
{m4i();}

}
}
}
------------------------------these are the functions-----------------------
void mp1d(void) //motor a pasos 1 derecha//
{
while(RA0==1){
RB0==1;
delay_ms(500);
RB1==1;
delay_ms(500);
RB2==1;
delay_ms(500);
RB3==1;
delay_ms(500);
}}

void mp1i(void) //motor a pasos 1 izquierda//
{
while(RA1==1){
RB3==1;
delay_ms(500);
RB2==1;
delay_ms(500);
RB1==1;
delay_ms(500);
RB0==1;
delay_ms(500);
}}

void mp2d(void) //motor a pasos 2 derecha//
{
while(RA2==1){
RB4==1;
delay_ms(500);
RB5==1;
delay_ms(500);
RB6==1;
delay_ms(500);
RB7==1;
delay_ms(500);
}}

void mp2i(void) //motor a pasos 2 izq//
{
while(RA3==1){
RB7==1;
delay_ms(500);
RB6==1;
delay_ms(500);
RB5==1;
delay_ms(500);
RB4==1;
delay_ms(500);
}}

void mp3d(void) //motor a pasos 3 derecha//
{
while(RA4==1){
RC4==1;
delay_ms(500);
RC5==1;
delay_ms(500);
RC6==1;
delay_ms(500);
RC7==1;
delay_ms(500);
}}

void mp3i(void) //motor a pasos 3 izq//
{
while(RA5==1){
RC7==1;
delay_ms(500);
RC6==1;
delay_ms(500);
RC5==1;
delay_ms(500);
RC4==1;
delay_ms(500);
}}

void m4d(void)
{
RD4==1;
}

void m4i(void)
{
RD5==1;
}

void m5d(void)
{
RD6==1;
}

void m5i(void)
{
RD7==1;
}

I hope you can help me.
Thanks

Ttelmah

Joined: 11 Mar 2010
Posts: 19538

Posted: Thu Apr 12, 2012 2:14 pm

Reply with quote

Code:

void inicializar(void)
{
set_tris_A(0b111111);
set_tris_B(0b00000000);
set_tris_C(0b10000000);
set_tris_D(0b00000000);
set_tris_E(0b111); //At this point, you have not ended the declaration
//of the function 'inicializar' - no close bracket

void main (void) <----------this is the body of the program
{ and here its the error.
//You now try to declare 'main' _inside_ the already declared function.
//Of course the compiler complains.....

Best Wishes

navi5

Joined: 12 Apr 2012
Posts: 2


Posted: Thu Apr 12, 2012 8:38 pm

Worked perfect thanks for helping

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