Daniel Peter / Mbed 2 deprecated RtosTest

Dependencies:   mbed

scmRTOS/Common/usrlib.cpp@0:331db0b44b67, 2010-09-21 (annotated)

Committer:
mbed714
Date:
Tue Sep 21 19:48:05 2010 +0000
Revision:
0:331db0b44b67

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


mbed714

0:331db0b44b67


     1

//******************************************************************************





mbed714

0:331db0b44b67


     2

//*





mbed714

0:331db0b44b67


     3

//*     FULLNAME:  Single-Chip Microcontroller Real-Time Operating System





mbed714

0:331db0b44b67


     4

//*





mbed714

0:331db0b44b67


     5

//*     NICKNAME:  scmRTOS





mbed714

0:331db0b44b67


     6

//*               





mbed714

0:331db0b44b67


     7

//*     PURPOSE:  User Suport Library Source





mbed714

0:331db0b44b67


     8

//*               





mbed714

0:331db0b44b67


     9

//*     Version: 3.10





mbed714

0:331db0b44b67


    10

//*





mbed714

0:331db0b44b67


    11

//*     $Revision: 256 $





mbed714

0:331db0b44b67


    12

//*     $Date:: 2010-01-22 #$





mbed714

0:331db0b44b67


    13

//*





mbed714

0:331db0b44b67


    14

//*     Copyright (c) 2003-2010, Harry E. Zhurov





mbed714

0:331db0b44b67


    15

//*





mbed714

0:331db0b44b67


    16

//*     Permission is hereby granted, free of charge, to any person 





mbed714

0:331db0b44b67


    17

//*     obtaining  a copy of this software and associated documentation 





mbed714

0:331db0b44b67


    18

//*     files (the "Software"), to deal in the Software without restriction, 





mbed714

0:331db0b44b67


    19

//*     including without limitation the rights to use, copy, modify, merge, 





mbed714

0:331db0b44b67


    20

//*     publish, distribute, sublicense, and/or sell copies of the Software, 





mbed714

0:331db0b44b67


    21

//*     and to permit persons to whom the Software is furnished to do so, 





mbed714

0:331db0b44b67


    22

//*     subject to the following conditions:





mbed714

0:331db0b44b67


    23

//*





mbed714

0:331db0b44b67


    24

//*     The above copyright notice and this permission notice shall be included 





mbed714

0:331db0b44b67


    25

//*     in all copies or substantial portions of the Software.





mbed714

0:331db0b44b67


    26

//*





mbed714

0:331db0b44b67


    27

//*     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 





mbed714

0:331db0b44b67


    28

//*     EXPRESS  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 





mbed714

0:331db0b44b67


    29

//*     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 





mbed714

0:331db0b44b67


    30

//*     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 





mbed714

0:331db0b44b67


    31

//*     CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 





mbed714

0:331db0b44b67


    32

//*     TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH 





mbed714

0:331db0b44b67


    33

//*     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.





mbed714

0:331db0b44b67


    34

//*





mbed714

0:331db0b44b67


    35

//*     =================================================================





mbed714

0:331db0b44b67


    36

//*     See http://scmrtos.sourceforge.net for documentation, latest





mbed714

0:331db0b44b67


    37

//*     information, license and contact details.





mbed714

0:331db0b44b67


    38

//*     =================================================================





mbed714

0:331db0b44b67


    39

//*





mbed714

0:331db0b44b67


    40

//******************************************************************************





mbed714

0:331db0b44b67


    41







mbed714

0:331db0b44b67


    42

#include <usrlib.h>





mbed714

0:331db0b44b67


    43

#include <commdefs.h>





mbed714

0:331db0b44b67


    44







mbed714

0:331db0b44b67


    45

using namespace usr;





mbed714

0:331db0b44b67


    46







mbed714

0:331db0b44b67


    47

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


    48

//





mbed714

0:331db0b44b67


    49

///   Circular buffer function-member description





mbed714

0:331db0b44b67


    50

//





mbed714

0:331db0b44b67


    51

//





mbed714

0:331db0b44b67


    52

//





mbed714

0:331db0b44b67


    53

TCbuf::TCbuf(byte* const Address, const byte Size) :





mbed714

0:331db0b44b67


    54

        buf(Address),





mbed714

0:331db0b44b67


    55

        size(Size),





mbed714

0:331db0b44b67


    56

        count(0),





mbed714

0:331db0b44b67


    57

        first(0),





mbed714

0:331db0b44b67


    58

        last(0)





mbed714

0:331db0b44b67


    59

{





mbed714

0:331db0b44b67


    60

}





mbed714

0:331db0b44b67


    61

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


    62

bool TCbuf::write(const byte* data, const byte Count)





mbed714

0:331db0b44b67


    63

{





mbed714

0:331db0b44b67


    64

    if( Count > (size - count) )





mbed714

0:331db0b44b67


    65

        return false;





mbed714

0:331db0b44b67


    66







mbed714

0:331db0b44b67


    67

    for(byte i = 0; i < Count; i++)





mbed714

0:331db0b44b67


    68

        push(*(data++));





mbed714

0:331db0b44b67


    69







mbed714

0:331db0b44b67


    70

    return true;





mbed714

0:331db0b44b67


    71

}





mbed714

0:331db0b44b67


    72

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


    73

void TCbuf::read(byte* data, const byte Count)





mbed714

0:331db0b44b67


    74

{





mbed714

0:331db0b44b67


    75

    byte N = Count <= count ? Count : count;





mbed714

0:331db0b44b67


    76







mbed714

0:331db0b44b67


    77

    for(byte i = 0; i < N; i++)





mbed714

0:331db0b44b67


    78

        data[i] = pop();





mbed714

0:331db0b44b67


    79

}





mbed714

0:331db0b44b67


    80

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


    81

byte TCbuf::get_byte(const byte index) const





mbed714

0:331db0b44b67


    82

{





mbed714

0:331db0b44b67


    83

    byte x = first + index;





mbed714

0:331db0b44b67


    84







mbed714

0:331db0b44b67


    85

    if(x < size)





mbed714

0:331db0b44b67


    86

        return buf[x];





mbed714

0:331db0b44b67


    87

    else





mbed714

0:331db0b44b67


    88

        return buf[x - size];





mbed714

0:331db0b44b67


    89

}





mbed714

0:331db0b44b67


    90







mbed714

0:331db0b44b67


    91

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


    92

bool TCbuf::put(const byte item)





mbed714

0:331db0b44b67


    93

{





mbed714

0:331db0b44b67


    94

    if(count == size)





mbed714

0:331db0b44b67


    95

        return false;





mbed714

0:331db0b44b67


    96







mbed714

0:331db0b44b67


    97

    push(item);





mbed714

0:331db0b44b67


    98

    return true;





mbed714

0:331db0b44b67


    99

}





mbed714

0:331db0b44b67


   100

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


   101

byte TCbuf::get()





mbed714

0:331db0b44b67


   102

{





mbed714

0:331db0b44b67


   103

    if(count)





mbed714

0:331db0b44b67


   104

        return pop();





mbed714

0:331db0b44b67


   105

    else





mbed714

0:331db0b44b67


   106

        return 0;





mbed714

0:331db0b44b67


   107

}





mbed714

0:331db0b44b67


   108

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


   109

//





mbed714

0:331db0b44b67


   110

/// \note





mbed714

0:331db0b44b67


   111

/// For internal purposes.





mbed714

0:331db0b44b67


   112

/// Use this function with care - it doesn't perform free size check.





mbed714

0:331db0b44b67


   113

//





mbed714

0:331db0b44b67


   114

void TCbuf::push(const byte item)





mbed714

0:331db0b44b67


   115

{





mbed714

0:331db0b44b67


   116

    buf[last] = item;





mbed714

0:331db0b44b67


   117

    last++;





mbed714

0:331db0b44b67


   118

    count++;





mbed714

0:331db0b44b67


   119







mbed714

0:331db0b44b67


   120

    if(last == size)





mbed714

0:331db0b44b67


   121

        last = 0;





mbed714

0:331db0b44b67


   122

}





mbed714

0:331db0b44b67


   123

//------------------------------------------------------------------------------





mbed714

0:331db0b44b67


   124

//





mbed714

0:331db0b44b67


   125

/// \note





mbed714

0:331db0b44b67


   126

/// For internal purposes.





mbed714

0:331db0b44b67


   127

/// Use this function with care - it doesn't perform free size check.





mbed714

0:331db0b44b67


   128

//





mbed714

0:331db0b44b67


   129

byte TCbuf::pop()





mbed714

0:331db0b44b67


   130

{





mbed714

0:331db0b44b67


   131

    byte item = buf[first];





mbed714

0:331db0b44b67


   132







mbed714

0:331db0b44b67


   133

    count--;





mbed714

0:331db0b44b67


   134

    first++;





mbed714

0:331db0b44b67


   135

    if(first == size)





mbed714

0:331db0b44b67


   136

        first = 0;





mbed714

0:331db0b44b67


   137







mbed714

0:331db0b44b67


   138

    return item;





mbed714

0:331db0b44b67


   139

}





mbed714

0:331db0b44b67


   140

//------------------------------------------------------------------------------