/*!
 * \file      OnBoard.c
 *
 * \brief     Target xc6xxx hal spi implementation
 *
 * \copyright Revised BSD License, see section \ref LICENSE.
 *
 * \code
 *
 *            _  __ _       ________    _
 *           | |/ /(_)___  / ____/ /_  (_)___
 *           |   // / __ \/ /   / __ \/ / __ \
 *          /   |/ / / / / /___/ / / / / /_/ /
 *         /_/|_/_/_/ /_/\____/_/ /_/_/ .___/
 *                                   /_/
 *           (C) 2022-2025 XinChip
 *
 * \endcode
 *
 * \author     ( XinChip ) Alex-J
 *
 * \author     ( XinChip )
 */

#include "OnBoard.h"

/*********************************************************************
 * @fn      _itoa
 *
 * @brief   convert a 16bit number to ASCII
 *
 * @param   num -
 *          buf -
 *          radix -
 *
 * @return  void
 *
 *********************************************************************/
void _itoa(uint16 num, uint8 *buf, uint8 radix)
{
  char c,i;
  uint8 *p, rst[5];

  p = rst;
  for ( i=0; i<5; i++,p++ )
  {
    c = num % radix;  // Isolate a digit
    *p = c + (( c < 10 ) ? '0' : '7');  // Convert to Ascii
    num /= radix;
    if ( !num )
      break;
  }

  for ( c=0 ; c<=i; c++ )
    *buf++ = *p--;  // Reverse character order

  *buf = '\0';
}

/*********************************************************************
 * @fn        Onboard_rand
 *
 * @brief    Random number generator
 *
 * @param   none
 *
 * @return  uint16 - new random number
 *
 *********************************************************************/
uint16 Onboard_rand( void )
{
  return ( rand() );
}