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[/] [tcp_socket/] [trunk/] [source/] [print.h] - Blame information for rev 2

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1 2 jondawson 
////////////////////////////////////////////////////////////////////////////////
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//
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//  CHIPS-2.0  print.h
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//
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//  :Author: Jonathan P Dawson
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//  :Date: 22/10/2013
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//  :email: chips@jondawson.org.uk
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//  :license: MIT
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//  :Copyright: Copyright (C) Jonathan P Dawson 2013
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//
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//  Print values to stdout. Before including this file,
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//  void stdout_put_char(unsigned i) must be defined.
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//
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//  This task is left to the user so that stdout can be directed to uart/socket
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//  as required.
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//
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////////////////////////////////////////////////////////////////////////////////
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//Print a string *string* to stdout
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void print_string(unsigned string[]){
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        unsigned i=0;
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        while(string[i]){
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                stdout_put_char(string[i]);
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                i++;
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        }
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}
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//Print an unsigned int to stdout in hex format
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void print_uhex(unsigned uhex){
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        unsigned digit_3 = (uhex >> 12) & 0xf;
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        unsigned digit_2 = (uhex >> 8) & 0xf;
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        unsigned digit_1 = (uhex >> 4) & 0xf;
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        unsigned digit_0 = uhex & 0xf;
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        if(digit_3 < 9) stdout_put_char(digit_3 | 0x30);
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        else stdout_put_char(digit_3 + 87);
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        if(digit_2 < 9) stdout_put_char(digit_2 | 0x30);
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        else stdout_put_char(digit_2 + 87);
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        if(digit_1 < 9) stdout_put_char(digit_1 | 0x30);
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        else stdout_put_char(digit_1 + 87);
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        if(digit_0 < 9) stdout_put_char(digit_0 | 0x30);
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        else stdout_put_char(digit_0 + 87);
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}
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//Print an unsigned int to stdout in decimal format
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//leading 0s will be suppressed
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void print_udecimal(unsigned udecimal){
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        unsigned digit;
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        unsigned significant = 0;
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        digit = 0;
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        while(udecimal >= 10000){
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                udecimal -= 10000;
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                digit += 1;
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        }
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        if(digit | significant){
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              stdout_put_char(digit | 0x30);
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              significant = 1;
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        }
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        digit = 0;
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        while(udecimal >= 1000){
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                udecimal -= 1000;
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                digit += 1;
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        }
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        if(digit | significant){
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              stdout_put_char(digit | 0x30);
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              significant = 1;
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        }
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        digit = 0;
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        while(udecimal >= 100){
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                udecimal -= 100;
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                digit += 1;
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        }
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        if(digit | significant){
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              stdout_put_char(digit | 0x30);
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              significant = 1;
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        }
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        digit = 0;
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        while(udecimal >= 10){
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                udecimal -= 10;
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                digit += 1;
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        }
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        if(digit | significant){
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              stdout_put_char(digit | 0x30);
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              significant = 1;
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        }
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        stdout_put_char(udecimal | 0x30);
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}
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//Print a signed int to stdout in hex format
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void print_hex(int hex){
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        if(hex >= 0){
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                print_uhex(hex);
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        } else {
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                stdout_put_char('-');
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                print_uhex(-hex);
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        }
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}
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//Print a signed int to stdout in decimal format
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//leading 0s will be suppressed
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void print_decimal(int decimal){
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        if(decimal >= 0){
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                print_udecimal(decimal);
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        } else {
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                stdout_put_char('-');
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                print_udecimal(-decimal);
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        }
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}

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