User’s Manual
V1.35.00
μC/
LIB
TM
Embedded Library
Micriμm
1290 Weston Road, Suite 306
Weston, FL 33326
USA
www.Micrium.com
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The programs and code examples in this book are presented for instructional value. The
programs and examples have been carefully tested, but are not guaranteed to any particular
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600-uC-LIB-003
3
USER’S MANUAL VERSIONS
If you find any errors in this document, please inform us and we will make the appropriate
corrections for future releases.
Manual Version Date By Description
V1.18 2005/08/30 ITJ Manual Created
V1.19 2006/04/25 JJL Updated Manual
V1.20 2006/06/01 ITJ Updated Manual
V1.21 2006/08/09 ITJ Added memory macros
V1.22 2006/09/20 ITJ Updated Manual
V1.23 2007/02/27 SR Updated Manual
V1.24 2007/05/04 ITJ Updated Manual
V1.25 2008/06/20 ITJ Added memory management
Added ASCII module
V1.26 2008/12/01 ITJ Added heap memory
Added string parse functions
V1.27 2009/01/05 ITJ Updated Manual
V1.28 2009/02/26 EHS Updated Manual
V1.29 2009/04/28 ITJ Updated Manual
V1.30 2009/05/05 BAN Added math module with pseudo-random number generator
V1.31 2009/09/28 ITJ Updated Manual
V1.32 2010/04/02 ITJ Updated Manual
V1.33 2010/07/28 ITJ Updated Manual
V1.33 2010/09/03 ITJ Converted document from Word to FrameMaker
V1.34 2010/12/17 ITJ Updated Manual
V1.35.00 2011/06/13 ITJ Added endian memory conversion macros
4
Table of Contents
0-1 User’s Manual Versions ......................................................................... 3
Chapter 1 Introduction ............................................................................................ 8
1-1 Portable .................................................................................................. 8
1-2 Scalable .................................................................................................. 8
1-3 Coding Standards .................................................................................. 8
1-4 MISRA C ................................................................................................. 9
1-5 Safety Critical Certification .................................................................... 9
1-6 μC/LIB Limitations ................................................................................. 9
Chapter 2 Directories and Files ............................................................................ 10
Chapter 3 μC/LIB Constant and Macro Library ................................................... 12
3-1 Library Constants ................................................................................. 12
3-1-1 Boolean Constants .............................................................................. 12
3-1-2 Bit Constants ........................................................................................ 12
3-1-3 Octet Constants ................................................................................... 12
3-1-4 Number Base Constants ...................................................................... 13
3-1-5 Integer Constants ................................................................................. 13
3-1-6 Time Constants .................................................................................... 13
3-2 Common Library Macros ..................................................................... 14
3-2-1 DEF_BITxx() .......................................................................................... 14
3-2-2 DEF_BIT_MASK_xx() ............................................................................ 15
3-2-3 DEF_BIT_FIELD_xx() ............................................................................ 16
3-2-4 DEF_BIT_SET() ..................................................................................... 18
3-2-5 DEF_BIT_CLR() ..................................................................................... 19
3-2-6 DEF_BIT_IS_SET() ................................................................................ 20
3-2-7 DEF_BIT_IS_CLR() ................................................................................ 21
5
3-2-8 DEF_BIT_IS_SET_ANY() ....................................................................... 22
3-2-9 DEF_BIT_IS_CLR_ANY() ...................................................................... 23
3-2-10 DEF_CHK_VAL_MIN() ........................................................................... 25
3-2-11 DEF_CHK_VAL_MAX() .......................................................................... 26
3-2-12 DEF_CHK_VAL() ................................................................................... 28
3-2-13 DEF_MIN() ............................................................................................. 30
3-2-14 DEF_MAX() ........................................................................................... 31
3-2-15 DEF_ABS() ............................................................................................ 32
Chapter 4 μC/LIB Memory Library ........................................................................ 34
4-1 Memory Library Configuration ............................................................. 34
4-2 Memory Library Macros ....................................................................... 35
4-2-1 MEM_VAL_BIG_TO_LITTLE_xx() / MEM_VAL_LITTLE_TO_BIG_xx() . 35
4-2-2 MEM_VAL_BIG_TO_HOST_xx() / MEM_VAL_HOST_TO_BIG_xx() ..... 36
4-2-3
MEM_VAL_LITTLE_TO_HOST_xx() / MEM_VAL_HOST_TO_LITTLE_xx()
38
4-2-4 MEM_VAL_GET_xxx() ........................................................................... 39
4-2-5 MEM_VAL_SET_xxx() ........................................................................... 41
4-2-6 MEM_VAL_COPY_GET_xxx() ............................................................... 43
4-2-7 MEM_VAL_COPY_SET_xxx() ............................................................... 45
4-2-8 MEM_VAL_COPY_xxx() ........................................................................ 48
4-3 Memory Library Functions ................................................................... 50
4-3-1 Mem_Clr() ............................................................................................. 50
4-3-2 Mem_Set() ............................................................................................ 51
4-3-3 Mem_Copy() ......................................................................................... 52
4-3-4 Mem_Cmp() .......................................................................................... 53
4-4 Memory Allocation Functions .............................................................. 55
4-4-1 Mem_Init() ............................................................................................. 56
4-4-2 Mem_HeapAlloc() ................................................................................. 57
4-4-3 Mem_PoolClr() ...................................................................................... 59
4-4-4 Mem_PoolCreate() ............................................................................... 60
4-4-5 Mem_PoolBlkGet() ............................................................................... 63
4-4-6 Mem_PoolBlkFree() .............................................................................. 65
4-5 Memory Library Optimization .............................................................. 67
