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/* File : barebones/ee_printf.c
/*
        This file contains an implementation of ee_printf that only requires a method to output a char to a UART without pulling in library code.
Copyright 2018 Embedded Microprocessor Benchmark Consortium (EEMBC)
 
 
This code is based on a file that contains the following:
Licensed under the Apache License, Version 2.0 (the "License");
 Copyright (C) 2002 Michael Ringgaard. All rights reserved.
you may not use this file except in compliance with the License.
 
You may obtain a copy of the License at
 
 
 
    http://www.apache.org/licenses/LICENSE-2.0
 
 
 
Unless required by applicable law or agreed to in writing, software
 
distributed under the License is distributed on an "AS IS" BASIS,
 
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
See the License for the specific language governing permissions and
 
limitations under the License.
 
*/
 
 
 Redistribution and use in source and binary forms, with or without
/* Modified for the NEORV32 Processor - by Stephan Nolting */
 modification, are permitted provided that the following conditions
 
 are met:
 
 
 
 1. Redistributions of source code must retain the above copyright
 
    notice, this list of conditions and the following disclaimer.
 
 2. Redistributions in binary form must reproduce the above copyright
 
    notice, this list of conditions and the following disclaimer in the
 
    documentation and/or other materials provided with the distribution.
 
 3. Neither the name of the project nor the names of its contributors
 
    may be used to endorse or promote products derived from this software
 
    without specific prior written permission.
 
 
 
 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 
 ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
 
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 
 SUCH DAMAGE.
 
 
 
*/
#include <coremark.h>
 
#include <stdarg.h>
 
 
#include <core_portme.h>
 
#include <neorv32.h>
#include <neorv32.h>
#include <stdarg.h>
 
#include <stdbool.h>
 
#include <string.h>
 
 
 
#define ZEROPAD         (1<<0)  /* Pad with zero */
#define ZEROPAD         (1<<0)  /* Pad with zero */
#define SIGN            (1<<1)  /* Unsigned/signed long */
#define SIGN            (1<<1)  /* Unsigned/signed long */
#define PLUS            (1<<2)  /* Show plus */
#define PLUS            (1<<2)  /* Show plus */
#define SPACE           (1<<3)  /* Spacer */
#define SPACE           (1<<3)  /* Spacer */
Line 45... Line 29...
#define HEX_PREP        (1<<5)  /* 0x */
#define HEX_PREP        (1<<5)  /* 0x */
#define UPPERCASE   (1<<6)      /* 'ABCDEF' */
#define UPPERCASE   (1<<6)      /* 'ABCDEF' */
 
 
#define is_digit(c) ((c) >= '0' && (c) <= '9')
#define is_digit(c) ((c) >= '0' && (c) <= '9')
 
 
/*
static char *    digits       = "0123456789abcdefghijklmnopqrstuvwxyz";
 Serial initialization and new line replacement is a direct copy from mbed_retarget.cpp
static char *    upper_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 If the static modifier were to be removed, this part of the code would not be necessary.
static ee_size_t strnlen(const char *s, ee_size_t count);
*/
 
//#include "hal/serial_api.h"
 
 
 
#if DEVICE_SERIAL
 
static serial_t stdio_uart = { 0 };
 
#if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES
 
static char mbed_stdio_out_prev = 0;
 
#endif
 
#endif
 
 
 
/* module variable for keeping track of initialization */
 
static bool not_initialized = true;
 
 
 
static void init_serial()
static ee_size_t
{
strnlen(const char *s, ee_size_t count)
    if (not_initialized)
 
    {
    {
        not_initialized = false;
    const char *sc;
 
    for (sc = s; *sc != '\0' && count--; ++sc)
#if DEVICE_SERIAL
        ;
//      serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
    return sc - s;
#if MBED_CONF_PLATFORM_STDIO_BAUD_RATE
 
//      serial_baud(&stdio_uart, MBED_CONF_PLATFORM_STDIO_BAUD_RATE);
 
#endif
 
#endif
 
    }
 
}
}
 
 
#define MBED_INITIALIZE_PRINT(x) { init_serial(); }
static int
#define MBED_PRINT_CHARACTER(x) { serial_putc(&stdio_uart, x); }
skip_atoi(const char **s)
 
 
static char *lower_digits = "0123456789abcdefghijklmnopqrstuvwxyz";
 
static char *upper_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
 
 
static int ee_skip_atoi(const char **s)
 
{
{
  int i = 0;
  int i = 0;
  while (is_digit(**s)) i = i*10 + *((*s)++) - '0';
    while (is_digit(**s))
 
        i = i * 10 + *((*s)++) - '0';
  return i;
  return i;
}
}
 
 
static char *ee_number(char *str, long num, int base, int size, int precision, int type)
static char *
 
number(char *str, long num, int base, int size, int precision, int type)
{
{
  char c, sign, tmp[66];
  char c, sign, tmp[66];
  char *dig = lower_digits;
    char *dig = digits;
  int i;
  int i;
 
 
  if (type & UPPERCASE)  dig = upper_digits;
    if (type & UPPERCASE)
  if (type & LEFT) type &= ~ZEROPAD;
        dig = upper_digits;
  if (base < 2 || base > 36) return 0;
    if (type & LEFT)
 
        type &= ~ZEROPAD;
 
    if (base < 2 || base > 36)
 
        return 0;
 
 
  c = (type & ZEROPAD) ? '0' : ' ';
  c = (type & ZEROPAD) ? '0' : ' ';
  sign = 0;
  sign = 0;
  if (type & SIGN)
  if (type & SIGN)
  {
  {
Line 142... Line 108...
      tmp[i++] = dig[((unsigned long) num) % (unsigned) base];
      tmp[i++] = dig[((unsigned long) num) % (unsigned) base];
      num = ((unsigned long) num) / (unsigned) base;
      num = ((unsigned long) num) / (unsigned) base;
    }
    }
  }
  }
 
 
  if (i > precision) precision = i;
    if (i > precision)
 
        precision = i;
  size -= precision;
  size -= precision;
  if (!(type & (ZEROPAD | LEFT))) while (size-- > 0) *str++ = ' ';
    if (!(type & (ZEROPAD | LEFT)))
  if (sign) *str++ = sign;
        while (size-- > 0)
 
            *str++ = ' ';
 
    if (sign)
 
        *str++ = sign;
 
 
  if (type & HEX_PREP)
  if (type & HEX_PREP)
  {
  {
    if (base == 8)
    if (base == 8)
      *str++ = '0';
      *str++ = '0';
    else if (base == 16)
    else if (base == 16)
    {
    {
      *str++ = '0';
      *str++ = '0';
      *str++ = lower_digits[33];
            *str++ = digits[33];
    }
    }
  }
  }
 
 
  if (!(type & LEFT)) while (size-- > 0) *str++ = c;
    if (!(type & LEFT))
  while (i < precision--) *str++ = '0';
        while (size-- > 0)
  while (i-- > 0) *str++ = tmp[i];
            *str++ = c;
  while (size-- > 0) *str++ = ' ';
    while (i < precision--)
 
        *str++ = '0';
 
    while (i-- > 0)
 
        *str++ = tmp[i];
 
    while (size-- > 0)
 
        *str++ = ' ';
 
 
  return str;
  return str;
}
}
 
 
static char *eaddr(char *str, unsigned char *addr, int size, int precision, int type)
static char *
 
eaddr(char *str, unsigned char *addr, int size, int precision, int type)
{
{
  char tmp[24];
  char tmp[24];
  char *dig = lower_digits;
    char *dig = digits;
  int i, len;
  int i, len;
 
 
  if (type & UPPERCASE)  dig = upper_digits;
    if (type & UPPERCASE)
 
        dig = upper_digits;
  len = 0;
  len = 0;
  for (i = 0; i < 6; i++)
  for (i = 0; i < 6; i++)
  {
  {
    if (i != 0) tmp[len++] = ':';
        if (i != 0)
 
            tmp[len++] = ':';
    tmp[len++] = dig[addr[i] >> 4];
    tmp[len++] = dig[addr[i] >> 4];
    tmp[len++] = dig[addr[i] & 0x0F];
    tmp[len++] = dig[addr[i] & 0x0F];
  }
  }
 
 
  if (!(type & LEFT)) while (len < size--) *str++ = ' ';
    if (!(type & LEFT))
  for (i = 0; i < len; ++i) *str++ = tmp[i];
        while (len < size--)
  while (len < size--) *str++ = ' ';
            *str++ = ' ';
 
    for (i = 0; i < len; ++i)
 
        *str++ = tmp[i];
 
    while (len < size--)
 
        *str++ = ' ';
 
 
  return str;
  return str;
}
}
 
 
static char *iaddr(char *str, unsigned char *addr, int size, int precision, int type)
static char *
 
iaddr(char *str, unsigned char *addr, int size, int precision, int type)
{
{
  char tmp[24];
  char tmp[24];
  int i, n, len;
  int i, n, len;
 
 
  len = 0;
  len = 0;
  for (i = 0; i < 4; i++)
  for (i = 0; i < 4; i++)
  {
  {
    if (i != 0) tmp[len++] = '.';
        if (i != 0)
 
            tmp[len++] = '.';
    n = addr[i];
    n = addr[i];
 
 
    if (n == 0)
    if (n == 0)
      tmp[len++] = lower_digits[0];
            tmp[len++] = digits[0];
    else
    else
    {
    {
      if (n >= 100)
      if (n >= 100)
      {
      {
        tmp[len++] = lower_digits[n / 100];
                tmp[len++] = digits[n / 100];
        n = n % 100;
        n = n % 100;
        tmp[len++] = lower_digits[n / 10];
                tmp[len++] = digits[n / 10];
        n = n % 10;
        n = n % 10;
      }
      }
      else if (n >= 10)
      else if (n >= 10)
      {
      {
        tmp[len++] = lower_digits[n / 10];
                tmp[len++] = digits[n / 10];
        n = n % 10;
        n = n % 10;
      }
      }
 
 
      tmp[len++] = lower_digits[n];
            tmp[len++] = digits[n];
    }
    }
  }
  }
 
 
  if (!(type & LEFT)) while (len < size--) *str++ = ' ';
    if (!(type & LEFT))
  for (i = 0; i < len; ++i) *str++ = tmp[i];
        while (len < size--)
  while (len < size--) *str++ = ' ';
            *str++ = ' ';
 
    for (i = 0; i < len; ++i)
 
        *str++ = tmp[i];
 
    while (len < size--)
 
        *str++ = ' ';
 
 
  return str;
  return str;
}
}
 
 
#if defined(HAS_FLOAT) && HAS_FLOAT == 1
#if HAS_FLOAT
 
 
 
char *      ecvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
 
char *      fcvtbuf(double arg, int ndigits, int *decpt, int *sign, char *buf);
static void ee_bufcpy(char *d, char *s, int count);
static void ee_bufcpy(char *d, char *s, int count);
 
 
void ee_bufcpy(char *pd, char *ps, int count) {
void
 
ee_bufcpy(char *pd, char *ps, int count)
 
{
        char *pe=ps+count;
        char *pe=ps+count;
        while (ps!=pe)
        while (ps!=pe)
                *pd++=*ps++;
        *pd++ = *ps++;
}
}
 
 
static void parse_float(double value, char *buffer, char fmt, int precision)
static void
 
parse_float(double value, char *buffer, char fmt, int precision)
{
{
  int decpt, sign, exp, pos;
  int decpt, sign, exp, pos;
  char *fdigits = NULL;
    char *digits = NULL;
  char cvtbuf[80];
  char cvtbuf[80];
  int capexp = 0;
  int capexp = 0;
  int magnitude;
  int magnitude;
 
 
  if (fmt == 'G' || fmt == 'E')
  if (fmt == 'G' || fmt == 'E')
Line 253... Line 246...
    fmt += 'a' - 'A';
    fmt += 'a' - 'A';
  }
  }
 
 
  if (fmt == 'g')
  if (fmt == 'g')
  {
  {
    fdigits = ecvtbuf(value, precision, &decpt, &sign, cvtbuf);
        digits    = ecvtbuf(value, precision, &decpt, &sign, cvtbuf);
    magnitude = decpt - 1;
    magnitude = decpt - 1;
    if (magnitude < -4  ||  magnitude > precision - 1)
    if (magnitude < -4  ||  magnitude > precision - 1)
    {
    {
      fmt = 'e';
      fmt = 'e';
      precision -= 1;
      precision -= 1;
Line 269... Line 262...
    }
    }
  }
  }
 
 
  if (fmt == 'e')
  if (fmt == 'e')
  {
  {
    fdigits = ecvtbuf(value, precision + 1, &decpt, &sign, cvtbuf);
        digits = ecvtbuf(value, precision + 1, &decpt, &sign, cvtbuf);
 
 
    if (sign) *buffer++ = '-';
        if (sign)
    *buffer++ = *fdigits;
            *buffer++ = '-';
    if (precision > 0) *buffer++ = '.';
        *buffer++ = *digits;
    ee_bufcpy(buffer, fdigits + 1, precision);
        if (precision > 0)
 
            *buffer++ = '.';
 
        ee_bufcpy(buffer, digits + 1, precision);
    buffer += precision;
    buffer += precision;
    *buffer++ = capexp ? 'E' : 'e';
    *buffer++ = capexp ? 'E' : 'e';
 
 
    if (decpt == 0)
    if (decpt == 0)
    {
    {
Line 305... Line 300...
    buffer[0] = (exp % 10) + '0';
    buffer[0] = (exp % 10) + '0';
    buffer += 3;
    buffer += 3;
  }
  }
  else if (fmt == 'f')
  else if (fmt == 'f')
  {
  {
    fdigits = fcvtbuf(value, precision, &decpt, &sign, cvtbuf);
        digits = fcvtbuf(value, precision, &decpt, &sign, cvtbuf);
    if (sign) *buffer++ = '-';
        if (sign)
    if (*fdigits)
            *buffer++ = '-';
 
        if (*digits)
    {
    {
      if (decpt <= 0)
      if (decpt <= 0)
      {
      {
        *buffer++ = '0';
        *buffer++ = '0';
        *buffer++ = '.';
        *buffer++ = '.';
        for (pos = 0; pos < -decpt; pos++) *buffer++ = '0';
                for (pos = 0; pos < -decpt; pos++)
        while (*fdigits) *buffer++ = *fdigits++;
                    *buffer++ = '0';
 
                while (*digits)
 
                    *buffer++ = *digits++;
      }
      }
      else
      else
      {
      {
        pos = 0;
        pos = 0;
        while (*fdigits)
                while (*digits)
        {
        {
          if (pos++ == decpt) *buffer++ = '.';
                    if (pos++ == decpt)
          *buffer++ = *fdigits++;
                        *buffer++ = '.';
 
                    *buffer++ = *digits++;
        }
        }
      }
      }
    }
    }
    else
    else
    {
    {
      *buffer++ = '0';
      *buffer++ = '0';
      if (precision > 0)
      if (precision > 0)
      {
      {
        *buffer++ = '.';
        *buffer++ = '.';
        for (pos = 0; pos < precision; pos++) *buffer++ = '0';
                for (pos = 0; pos < precision; pos++)
 
                    *buffer++ = '0';
      }
      }
    }
    }
  }
  }
 
 
  *buffer = '\0';
  *buffer = '\0';
}
}
 
 
static void decimal_point(char *buffer)
static void
 
decimal_point(char *buffer)
{
{
  while (*buffer)
  while (*buffer)
  {
  {
    if (*buffer == '.') return;
        if (*buffer == '.')
    if (*buffer == 'e' || *buffer == 'E') break;
            return;
 
        if (*buffer == 'e' || *buffer == 'E')
 
            break;
    buffer++;
    buffer++;
  }
  }
 
 
  if (*buffer)
  if (*buffer)
  {
  {
Line 367... Line 370...
    *buffer++ = '.';
    *buffer++ = '.';
    *buffer = '\0';
    *buffer = '\0';
  }
  }
}
}
 
 
static void cropzeros(char *buffer)
static void
 
cropzeros(char *buffer)
{
{
  char *stop;
  char *stop;
 
 
  while (*buffer && *buffer != '.') buffer++;
    while (*buffer && *buffer != '.')
 
        buffer++;
  if (*buffer++)
  if (*buffer++)
  {
  {
    while (*buffer && *buffer != 'e' && *buffer != 'E') buffer++;
        while (*buffer && *buffer != 'e' && *buffer != 'E')
 
            buffer++;
    stop = buffer--;
    stop = buffer--;
    while (*buffer == '0') buffer--;
        while (*buffer == '0')
    if (*buffer == '.') buffer--;
            buffer--;
 
        if (*buffer == '.')
 
            buffer--;
    while (buffer!=stop)
    while (buffer!=stop)
                *++buffer=0;
                *++buffer=0;
  }
  }
}
}
 
 
static char *flt(char *str, double num, int size, int precision, char fmt, int flags)
static char *
 
flt(char *str, double num, int size, int precision, char fmt, int flags)
{
{
  char tmp[80];
  char tmp[80];
  char c, sign;
  char c, sign;
  int n, i;
  int n, i;
 
 
  // Left align means no zero padding
  // Left align means no zero padding
  if (flags & LEFT) flags &= ~ZEROPAD;
    if (flags & LEFT)
 
        flags &= ~ZEROPAD;
 
 
  // Determine padding and sign char
  // Determine padding and sign char
  c = (flags & ZEROPAD) ? '0' : ' ';
  c = (flags & ZEROPAD) ? '0' : ' ';
  sign = 0;
  sign = 0;
  if (flags & SIGN)
  if (flags & SIGN)
Line 422... Line 432...
    precision = 6; // Default precision: 6
    precision = 6; // Default precision: 6
 
 
  // Convert floating point number to text
  // Convert floating point number to text
  parse_float(num, tmp, fmt, precision);
  parse_float(num, tmp, fmt, precision);
 
 
  if ((flags & HEX_PREP) && precision == 0) decimal_point(tmp);
    if ((flags & HEX_PREP) && precision == 0)
  if (fmt == 'g' && !(flags & HEX_PREP)) cropzeros(tmp);
        decimal_point(tmp);
 
    if (fmt == 'g' && !(flags & HEX_PREP))
 
        cropzeros(tmp);
 
 
  n = strnlen(tmp,256);
  n = strnlen(tmp,256);
 
 
  // Output number with alignment and padding
  // Output number with alignment and padding
  size -= n;
  size -= n;
  if (!(flags & (ZEROPAD | LEFT))) while (size-- > 0) *str++ = ' ';
    if (!(flags & (ZEROPAD | LEFT)))
  if (sign) *str++ = sign;
        while (size-- > 0)
  if (!(flags & LEFT)) while (size-- > 0) *str++ = c;
            *str++ = ' ';
  for (i = 0; i < n; i++) *str++ = tmp[i];
    if (sign)
  while (size-- > 0) *str++ = ' ';
        *str++ = sign;
 
    if (!(flags & LEFT))
 
        while (size-- > 0)
 
            *str++ = c;
 
    for (i = 0; i < n; i++)
 
        *str++ = tmp[i];
 
    while (size-- > 0)
 
        *str++ = ' ';
 
 
  return str;
  return str;
}
}
 
 
#endif
#endif
 
 
static int ee_vsprintf(char *buf, const char *fmt, va_list args)
static int
 
ee_vsprintf(char *buf, const char *fmt, va_list args)
{
{
  int len;
  int len;
  unsigned long num;
  unsigned long num;
  int i, base;
  int i, base;
  char *str;
  char *str;
  char *s;
  char *s;
 
 
  int flags;            // Flags to number()
  int flags;            // Flags to number()
 
 
  int field_width;      // Width of output field
  int field_width;      // Width of output field
  int precision;        // Min. # of digits for integers; max number of chars for from string
    int precision;   // Min. # of digits for integers; max number of chars for
 
                     // from string
  int qualifier;        // 'h', 'l', or 'L' for integer fields
  int qualifier;        // 'h', 'l', or 'L' for integer fields
 
 
  for (str = buf; *fmt; fmt++)
  for (str = buf; *fmt; fmt++)
  {
  {
    if (*fmt != '%')
    if (*fmt != '%')
Line 468... Line 489...
    flags = 0;
    flags = 0;
repeat:
repeat:
    fmt++; // This also skips first '%'
    fmt++; // This also skips first '%'
    switch (*fmt)
    switch (*fmt)
    {
    {
      case '-': flags |= LEFT; goto repeat;
            case '-':
      case '+': flags |= PLUS; goto repeat;
                flags |= LEFT;
      case ' ': flags |= SPACE; goto repeat;
                goto repeat;
      case '#': flags |= HEX_PREP; goto repeat;
            case '+':
      case '0': flags |= ZEROPAD; goto repeat;
                flags |= PLUS;
 
                goto repeat;
 
            case ' ':
 
                flags |= SPACE;
 
                goto repeat;
 
            case '#':
 
                flags |= HEX_PREP;
 
                goto repeat;
 
            case '0':
 
                flags |= ZEROPAD;
 
                goto repeat;
    }
    }
 
 
    // Get field width
    // Get field width
    field_width = -1;
    field_width = -1;
    if (is_digit(*fmt))
    if (is_digit(*fmt))
      field_width = ee_skip_atoi(&fmt);
            field_width = skip_atoi(&fmt);
    else if (*fmt == '*')
    else if (*fmt == '*')
    {
    {
      fmt++;
      fmt++;
      field_width = va_arg(args, int);
      field_width = va_arg(args, int);
      if (field_width < 0)
      if (field_width < 0)
Line 496... Line 527...
    precision = -1;
    precision = -1;
    if (*fmt == '.')
    if (*fmt == '.')
    {
    {
      ++fmt;
      ++fmt;
      if (is_digit(*fmt))
      if (is_digit(*fmt))
        precision = ee_skip_atoi(&fmt);
                precision = skip_atoi(&fmt);
      else if (*fmt == '*')
      else if (*fmt == '*')
      {
      {
        ++fmt;
        ++fmt;
        precision = va_arg(args, int);
        precision = va_arg(args, int);
      }
      }
      if (precision < 0) precision = 0;
            if (precision < 0)
 
                precision = 0;
    }
    }
 
 
    // Get the conversion qualifier
    // Get the conversion qualifier
    qualifier = -1;
    qualifier = -1;
    if (*fmt == 'l' || *fmt == 'L')
    if (*fmt == 'l' || *fmt == 'L')
Line 519... Line 551...
    base = 10;
    base = 10;
 
 
    switch (*fmt)
    switch (*fmt)
    {
    {
      case 'c':
      case 'c':
        if (!(flags & LEFT)) while (--field_width > 0) *str++ = ' ';
                if (!(flags & LEFT))
 
                    while (--field_width > 0)
 
                        *str++ = ' ';
        *str++ = (unsigned char) va_arg(args, int);
        *str++ = (unsigned char) va_arg(args, int);
        while (--field_width > 0) *str++ = ' ';
                while (--field_width > 0)
 
                    *str++ = ' ';
        continue;
        continue;
 
 
      case 's':
      case 's':
        s = va_arg(args, char *);
        s = va_arg(args, char *);
        if (!s) s = "<NULL>";
                if (!s)
 
                    s = "<NULL>";
        len = strnlen(s, precision);
        len = strnlen(s, precision);
        if (!(flags & LEFT)) while (len < field_width--) *str++ = ' ';
                if (!(flags & LEFT))
        for (i = 0; i < len; ++i) *str++ = *s++;
                    while (len < field_width--)
        while (len < field_width--) *str++ = ' ';
                        *str++ = ' ';
 
                for (i = 0; i < len; ++i)
 
                    *str++ = *s++;
 
                while (len < field_width--)
 
                    *str++ = ' ';
        continue;
        continue;
 
 
      case 'p':
      case 'p':
        if (field_width == -1)
        if (field_width == -1)
        {
        {
          field_width = 2 * sizeof(void *);
          field_width = 2 * sizeof(void *);
          flags |= ZEROPAD;
          flags |= ZEROPAD;
        }
        }
        str = ee_number(str, (unsigned long) va_arg(args, void *), 16, field_width, precision, flags);
                str = number(str,
 
                             (unsigned long)va_arg(args, void *),
 
                             16,
 
                             field_width,
 
                             precision,
 
                             flags);
        continue;
        continue;
 
 
      case 'A':
      case 'A':
        flags |= UPPERCASE;
        flags |= UPPERCASE;
 
 
      case 'a':
      case 'a':
        if (qualifier == 'l')
        if (qualifier == 'l')
          str = eaddr(str, va_arg(args, unsigned char *), field_width, precision, flags);
                    str = eaddr(str,
        else
                                va_arg(args, unsigned char *),
          str = iaddr(str, va_arg(args, unsigned char *), field_width, precision, flags);
                                field_width,
 
                                precision,
 
                                flags);
 
                else
 
                    str = iaddr(str,
 
                                va_arg(args, unsigned char *),
 
                                field_width,
 
                                precision,
 
                                flags);
        continue;
        continue;
 
 
      // Integer number formats - set up the flags and "break"
      // Integer number formats - set up the flags and "break"
      case 'o':
      case 'o':
        base = 8;
        base = 8;
Line 571... Line 624...
        flags |= SIGN;
        flags |= SIGN;
 
 
      case 'u':
      case 'u':
        break;
        break;
 
 
#if defined(HAS_FLOAT) && HAS_FLOAT == 1
#if HAS_FLOAT
 
 
      case 'f':
      case 'f':
        str = flt(str, va_arg(args, double), field_width, precision, *fmt, flags | SIGN);
                str = flt(str,
 
                          va_arg(args, double),
 
                          field_width,
 
                          precision,
 
                          *fmt,
 
                          flags | SIGN);
        continue;
        continue;
 
 
#endif
#endif
 
 
      default:
      default:
        if (*fmt != '%') *str++ = '%';
                if (*fmt != '%')
 
                    *str++ = '%';
        if (*fmt)
        if (*fmt)
          *str++ = *fmt;
          *str++ = *fmt;
        else
        else
          --fmt;
          --fmt;
        continue;
        continue;
Line 595... Line 654...
    else if (flags & SIGN)
    else if (flags & SIGN)
      num = va_arg(args, int);
      num = va_arg(args, int);
    else
    else
      num = va_arg(args, unsigned int);
      num = va_arg(args, unsigned int);
 
 
    str = ee_number(str, num, base, field_width, precision, flags);
        str = number(str, num, base, field_width, precision, flags);
  }
  }
 
 
  *str = '\0';
  *str = '\0';
  return str - buf;
  return str - buf;
}
}
 
 
void uart_send_char(char c) {
void
  // this is Mbed OS putc to standard uart
uart_send_char(char c)
  //MBED_PRINT_CHARACTER(c);
{
  if (c == '\n')
//#error "You must implement the method uart_send_char to use this file!\n";
 
    /*  Output of a char to a UART usually follows the following model:
 
            Wait until UART is ready
 
            Write char to UART
 
            Wait until UART is done
 
 
 
            Or in code:
 
            while (*UART_CONTROL_ADDRESS != UART_READY);
 
            *UART_DATA_ADDRESS = c;
 
            while (*UART_CONTROL_ADDRESS != UART_READY);
 
 
 
            Check the UART sample code on your platform or the board
 
       documentation.
 
    */
 
 
 
  /* NEORV32-specific */
 
  if (c == '\n') {
    neorv32_uart_putc('\r');
    neorv32_uart_putc('\r');
 
  }
  neorv32_uart_putc(c);
  neorv32_uart_putc(c);
}
}
 
 
int ee_printf(const char *fmt, ...)
int
 
ee_printf(const char *fmt, ...)
{
{
  MBED_INITIALIZE_PRINT();
    char    buf[256], *p;
 
 
  char buf[15*80],*p;
 
  va_list args;
  va_list args;
  int n=0;
  int n=0;
 
 
  va_start(args, fmt);
  va_start(args, fmt);
  ee_vsprintf(buf, fmt, args);
  ee_vsprintf(buf, fmt, args);
  va_end(args);
  va_end(args);
  p=buf;
  p=buf;
  while (*p) {
    while (*p)
 
    {
        uart_send_char(*p);
        uart_send_char(*p);
        n++;
        n++;
        p++;
        p++;
  }
  }
 
 

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