Subversion Repositories fsl2serial

// This is the source file implementing the FSL interface developed for use with the FSL2Serial

// module.  Data can also be sent over this link, but the assumption is that text will be sent.

//

// This requires the Xilinx FSL interface code, which can generally be found in fsl.h,

// mb_interface.h, and xbasic_types.h

//

// Alex Marschner

// 2007.03.12

#include "fsl_interface.h"

// Put a string of data through the specified FSL port.

void fsl0print(const char* s)

{

    while(*s)

    {

        putfsl(*s, FSL0);

        ++s;

    }

        return;

}

// Put a string of data through the specified FSL port.

void fsl0nprint(const char* s)

{

    while(*s)

    {

        nputfsl(*s, FSL0);

        ++s;

    }

        return;

}

// Print a single character to the specified FSL port.  (BLOCKING)

void fsl0put(const char s)

{

        putfsl(s, FSL0);

        return;

}

// Print a single character to the specified FSL port.  (NONBLOCKING)

void fsl0nput(const char s)

{

        nputfsl(s, FSL0);

        return;

}

// Get a single character from the specified FSL port.  (BLOCKING)

char fsl0get(char * s)

{

        char inchar;

        getfsl(inchar, FSL0);

        if(s!=NULL) (*s) = inchar;

        return inchar;

}

// Get a single character from the specified FSL port.  (NONBLOCKING)

char fsl0nget(char * s)

{

        char inchar;

        ngetfsl(inchar, FSL0);

        if(s!=NULL) (*s) = inchar;

        return inchar;

}

// Print the hexadecimal representation of a 32-bit integer to the specified FSL port.

void fsl0hex(const unsigned int val)

{

        char hexstring[10];

        unsigned int shiftval = val;

        char maskval;

        int ctr;

        for(ctr=9; ctr>1; ctr--)

        {

                maskval = shiftval & 0x0000000F;

                if(maskval < 10)

                        hexstring[ctr] = maskval + 0x30;

                else

                        hexstring[ctr] = maskval + (0x41-0xA);

                shiftval = shiftval >> 4;

        }

        hexstring[0] = '0';

        hexstring[1] = 'x';

        fsl0print(hexstring);

        return;

}