usart in mikroc pro

[motahhir]

Hi
i want to use usart library in mikroc pro but it isn't available !!

[janni]

Hardware USART library is available only for processors with appropriate hardware module. Did you check if the processor you chose has such a module?

[motahhir]

thank you for your reply ofcourse i use a pic18F4580 but the library usart is not available in mikroc pro and i talk about usart not uart

[janni]

thank you for your reply ofcourse i use a pic18F4580 but the library usart is not available in mikroc pro and i talk about usart not uart

The hardware peripheral for this processor is actually called EUSART - which doesn't influence the name of the library available in mC PRO. The library is named UART uniformly for all processors with hardware serial communication module.

[petar.timotijevic]

Hello,

Please see

MikroC Pro UART Library
http://www.mikroe.com/download/eng/docu ... ibrary.htm


Best regards,
Peter

[motahhir]

there is a difference between uart and USART !
uart: asynchronous
usart: synchronous

[motahhir]

i talk about uart not usart !!

[motahhir]

i talk about uart not usart !!

[janni]

there is a difference between uart and USART !
uart: asynchronous
usart: synchronous

Actually, USART means UNIVERSAL SYNCHRONOUS ASYNCHRONOUS RECEIVER TRANSMITTER, so it's not just for synchronous communication. If you have specifically asked for synchronous communication library, there'd be no misunderstanding.

UART library does work with USART (and EUSART) hardware modules but it's indeed dedicated to asynchronous communication.

[motahhir]

I asked for synchronous communication library

[janni]

There's no such library built into mC. You'll have to write your own, I'm afraid.

[petar.timotijevic]

Hello,

As Janni said you need to write your own library, also check www.libstock.com


Best regards,
Peter

[motahhir]

thanks

[x saber x]

hi,
to begin, i want to say that my level in english is average, so forgive me for the mistakes..
i am a beginner in C programming and this is the first time i work with mikroC.
so i want to write a code and i need your help ..
the code should do the following :

first : PORTB.f0=1

when i send the letter 'c'
i must receive the data that is on the port 'RA0'

when i send again the letter 'c'
i must receive the data that is on the port 'RA1'

when i send again the letter 'c'
i must receive the data that is on the port 'RA2'

when i send again the letter 'c'
i must receive the data that is on the port 'RA3'

when i send again the letter 'c'
i must receive the data that is on the port 'RA5'

when i send again the letter 'c'
i must receive the data that is on the port 'RE0'

PORTB.f0=0

when i send the letter 'c'
i must receive the data that is on the port 'RA0'

when i send again the letter 'c'
i must receive the data that is on the port 'RA1'

when i send again the letter 'c'
i must receive the data that is on the port 'RA2'

when i send again the letter 'c'
i must receive the data that is on the port 'RA3'

when i send again the letter 'c'
i must receive the data that is on the port 'RA5'

when i send again the letter 'c'
i must receive the data that is on the port 'RE0'

now the code should return to the beginning and expected that i send the letter 'c'
---

I actually have this code

Code: Select all

float rtdv, rtdr, temp,  y;
int msd, isd, i;
char temperature[6];
char uart_rd;

calcule()
{
rtdv=rtdv *5/1024;
rtdv=rtdv/5;
rtdr=rtdv*1000.0/(5.0-rtdv);
y=0.15274-(rtdr-100.0)*0.0002310;
if (y>=0)y = sqrt(y);
temp = (y-0.39083)/(-0.0001155);
bytetostr(temp,temperature);

delay_ms(1);
}

affichage() 
{
UART1_Write_Text(temperature);
strcpy(temperature,"");
}

void main()
{

TRISA = 0xFF;  
TRISE = 0xFF;
TRISB = 0x00;  

PORTB = 1;      

UART1_Init(9600);

while(1)                             
{       portb.f1=1;
        if (UART1_data_ready())
         {
                  uart_rd = UART1_read();
                  if(uart_rd=='c')           
                  {
                        PORTB.f0=1;        

                        for (i=0; i<6 ;i++)
                        {
                         delay_ms(5);          
                         rtdv=adc_read(i);
                         UART1_Write(13);        
                         calcule();              
                         affichage();         
                         }

                        PORTB.f0=~portb.f0;      
                        
                        for (i=0; i<6; i++)
                        {
                         delay_ms(5);
                         rtdv=adc_read(i);
                         UART1_Write(13);        
                         calcule();             
                         affichage();       
                         }
                 }
         }
}
}

but it does not satisfy my need..
in this code, when i sent the letter 'c' i receive all data contained on ports..

could you help me modify this code or write one that works according to algorthme above?