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/*
* $HeadURL: https://svn.fzd.de/repo/concast/FWF_Projects/FWF_Internals/FPGA/hw_sp605/bsp_zpuahb/software/libhal/common.c $
* $Date$
* $Author$
* $Revision$
*/
#include <peripherie.h>
#include <stdlib.h> // utoa, dtostrf (actually not implemented)
////////////////////////////////////////
// common stuff
// libgloss/zpu/syscalls.c work with inbyte and outbyte
char putchar( char c)
{
return stdout( c);
}
void putstr(const char *s)
{
while (*s)
putchar( *s++);
}
/*
print data in binary format
prepend 0b
parameter: dataType - number of bits
*/
void putbin( unsigned char dataType, unsigned long data)
{
unsigned char i, temp;
char dataString[] = "0b ";
for(i=dataType; i>0; i--)
{
temp = data % 2;
dataString [i+1] = temp + 0x30;
data = data/2;
}
putstr( dataString);
}
// http://asalt-vehicle.googlecode.com/svn› trunk› src› uart.c
unsigned char puthex( unsigned char dataType, unsigned long data)
{
unsigned char count = 8; // number of chars
unsigned char i;
unsigned char temp;
char dataString[] = " ";
// dataType = bit width
if (dataType == 4) count = 1;
if (dataType == 8) count = 2;
if (dataType == 16) count = 4;
for(i=count; i>0; i--)
{
temp = data % 16;
if (temp<10) dataString [i-1] = temp + 0x30;
else dataString [i-1] = (temp - 10) + 0x41;
data = data/16;
}
dataString[count] = '\0';
putstr( dataString);
return count; // return length
}
// http://www.mikrocontroller.net/articles/FAQ#itoa.28.29
unsigned char itoa( long z, char* Buffer )
{
int i = 0;
int j;
char tmp;
unsigned u; // In u bearbeiten wir den Absolutbetrag von z.
// ist die Zahl negativ?
// gleich mal ein - hinterlassen und die Zahl positiv machen
if( z < 0 ) {
Buffer[0] = '-';
Buffer++;
// -INT_MIN ist idR. größer als INT_MAX und nicht mehr
// als int darstellbar! Man muss daher bei der Bildung
// des Absolutbetrages aufpassen.
u = ( (unsigned)-(z+1) ) + 1;
}
else {
u = (unsigned)z;
}
// die einzelnen Stellen der Zahl berechnen
do {
Buffer[i++] = '0' + u % 10;
u /= 10;
} while( u > 0 );
// den String in sich spiegeln
for( j = 0; j < i / 2; ++j ) {
tmp = Buffer[j];
Buffer[j] = Buffer[i-j-1];
Buffer[i-j-1] = tmp;
}
Buffer[i] = '\0';
// Laengenkorrektur wg. Vorzeichen
if (z < 0)
i++;
return i; // BLa: Laenge des Buffers zurueckgeben
}
unsigned char utoa( unsigned long i, char *p)
{
unsigned char length;
length = 0;
do {
*--p = '0' + i % 10;
i /= 10;
length++;
} while (i > 0);
return length;
}
unsigned char putuint( unsigned long data)
{
char str[20];
unsigned char length;
length = utoa( data, str);
putstr( str);
return length;
}
unsigned char putint( long data)
{
char str[20];
unsigned char length;
length = itoa( data, str);
putstr( str);
return length;
}
/*
putint( 1000); putchar('\n'); // ok
putint( 10000); putchar('\n'); // ok
putint( 100000); putchar('\n'); // ok
putint( 1000000); putchar('\n'); // ok
putint( 10000000); putchar('\n'); // ok
putint( 100000000); putchar('\n'); // ok
putint( 200000000); putchar('\n'); // ok
putint( 400000000); putchar('\n'); // ok
putint( 800000000); putchar('\n'); // ok
putint( 1000000000); putchar('\n'); // ok
putint( 2000000000); putchar('\n'); // ok
putint( 4000000000); putchar('\n'); // -294967296 warning: this decimal constant is unsigned only in ISO C90
putint( 8000000000); putchar('\n'); // -589934592 warning: integer constant is too large for "long" type
*/
unsigned char putfloat( float data)
{
char str[20];
unsigned char length;
length = dtostrf( data, 2, 1, str);
putstr( str);
return length;
}
// p means pseudo float
// (an integer with 3 significant digits after the point)
void putpfloat( unsigned long data)
{
putint( data/1000);
putchar( '.');
putint( data%1000 );
}
unsigned char putbool( int data)
{
if (data)
{
putstr( "yes");
}
else
{
putstr( "no");
}
return 0;
}
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