FreeRTOS/Demo/CORTEX_A53_64-bit_UltraScale_MPSoC/RTOSDemo_A53_bsp/psu_cortexa53_0/libsrc/standalone_v6_6/src/putnum.c

/* putnum.c -- put a hex number on the output device.
 *
 * Copyright (c) 1995 Cygnus Support
 *
 * The authors hereby grant permission to use, copy, modify, distribute,
 * and license this software and its documentation for any purpose, provided
 * that existing copyright notices are retained in all copies and that this
 * notice is included verbatim in any distributions. No written agreement,
 * license, or royalty fee is required for any of the authorized uses.
 * Modifications to this software may be copyrighted by their authors
 * and need not follow the licensing terms described here, provided that
 * the new terms are clearly indicated on the first page of each file where
 * they apply.
 */

/*
 * putnum -- print a 32 bit number in hex
 */

/***************************** Include Files *********************************/
#include "xil_types.h"

/************************** Function Prototypes ******************************/
extern void print (const char8 *ptr);
void putnum(u32 num);

void putnum(u32 num)
{
  char8  buf[9];
  s32  cnt;
  s32 i;
  char8  *ptr;
  u32  digit;
  for(i = 0; i<9; i++) {
	buf[i] = '0';
  }

  ptr = buf;
  for (cnt = 7 ; cnt >= 0 ; cnt--) {
    digit = (num >> (cnt * 4U)) & 0x0000000fU;

    if ((digit <= 9U) && (ptr != NULL)) {
		digit += (u32)'0';
		*ptr = ((char8) digit);
		ptr += 1;
	} else if (ptr != NULL) {
		digit += ((u32)'a' - (u32)10);
		*ptr = ((char8)digit);
		ptr += 1;
	} else {
		/*Made for MisraC Compliance*/;
	}
  }

  if(ptr != NULL) {
	  *ptr = (char8) 0;
  }
  print (buf);
}