MPLAB C Compiler for PIC24 MCUs and dsPIC DSCs ... - Microchip

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16-Bit C Compiler User’s Guide NOTES: DS51284H-page 128 © 2008 Microchip Technology Inc.
MPLAB ® C COMPILER FOR PIC24 MCUs AND dsPIC ® DSCs USER’S GUIDE Appendix A. Implementation-Defined Behavior A.1 INTRODUCTION A.2 HIGHLIGHTS This section discusses implementation-defined behavior for the MPLAB C Compiler for PIC24 MCUs and dsPIC ® DSCs (formerly MPLAB C30). The ISO standard for C requires that vendors document the specifics of “implementation defined” features of the language. Items discussed in this chapter are: • Translation • Environment • Identifiers • Characters • Integers • Floating Point • Arrays and Pointers • Registers • Structures, Unions, Enumerations and Bit fields • Qualifiers • Declarators • Statements • Preprocessing Directives • Library Functions • Signals • Streams and Files • tmpfile • errno • Memory • abort • exit • getenv • system • strerror © 2008 Microchip Technology Inc. DS51284H-page 129
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MPLAB ® C COMPILER FOR PIC24 MCUs
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Table of Contents A.5 Identifiers .
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INTRODUCTION MPLAB ® C COMPILER FO
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CONVENTIONS USED IN THIS GUIDE The
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THE MICROCHIP WEB SITE Preface C Re
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1.1 INTRODUCTION 1.2 HIGHLIGHTS MPL
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1.5 COMPILER FEATURE SET Compiler O
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Differences Between 16-Bit Device C
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Using the Compiler on the Command L
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3.6 ENVIRONMENT VARIABLES Using the
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4.1 INTRODUCTION 4.2 HIGHLIGHTS 4.3
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4.5 MEMORY SPACES Run Time Environm
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Run Time Environment 1. It is possi
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4.8 SOFTWARE STACK Run Time Environ
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FIGURE 4-2: CALL OR RCALL Stack gro
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4.11 FUNCTION CALL CONVENTIONS Run
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Run Time Environment The compiler a
Page 83 and 84: 4.14.2 String Literals as Arguments
Page 85 and 86: 5.1 INTRODUCTION 5.2 HIGHLIGHTS MPL
Page 87 and 88: 6.1 INTRODUCTION MPLAB ® C COMPILE
Page 89 and 90: 6.3 PMP POINTERS Additional C Point
Page 91 and 92: 6.4 EXTERNAL POINTERS 6.3.3 Define
Page 93 and 94: ead_external16 Additional C Pointer
Page 95 and 96: Additional C Pointer Types } else {
Page 99 and 100: 7.5 USING SFRS Device Support Files
Page 101 and 102: 7.6 USING MACROS Device Support Fil
Page 103 and 104: EXAMPLE 7-2: EEDATA ACCESS VIA PSV
Page 107 and 108: Interrupts When using the interrupt
Page 109 and 110: 8.4.1 dsPIC30F DSCs (Non-SMPS) Inte
Page 111 and 112: 8.4.3 PIC24F MCUs Interrupt Vectors
Page 113 and 114: Interrupts TABLE 8-3: INTERRUPT VEC
Page 115 and 116: Interrupts TABLE 8-4: INTERRUPT VEC
Page 117 and 118: 85 _Interrupt85 _AltInterrupt85 Res
Page 119 and 120: 8.8 ENABLING/DISABLING INTERRUPTS I
Page 121 and 122: Interrupts 2. Unsafe: read bar inte
Page 123 and 124: LATGbits.LATG2 = 0; /* No problem l
Page 125 and 126: MPLAB ® C COMPILER FOR PIC24 MCUs
Page 127 and 128: Mixing Assembly Language and C Modu
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Page 137 and 138: A.5 IDENTIFIERS A.6 CHARACTERS Impl
Page 139 and 140: Implementation-Defined Behavior The
Page 141 and 142: A.15 PREPROCESSING DIRECTIVES Imple
Page 143 and 144: A.17 SIGNALS A.18 STREAMS AND FILES
Page 145 and 146: A.24 GETENV A.25 SYSTEM A.26 STRERR
Page 147 and 148: B.1 INTRODUCTION MPLAB ® C COMPILE
Page 149 and 150: __builtin_btg Built-in Functions De
Page 151 and 152: __builtin_clr_prefetch Argument: xp
Page 153 and 154: __builtin_dmaoffset Built-in Functi
Page 155 and 156: __builtin_fbcl Built-in Functions A
Page 157 and 158: __builtin_modsd Argument: dividend
Page 159 and 160: __builtin_mpy Error Messages An err
Page 161 and 162: __builtin_mulss Built-in Functions
Page 163 and 164: __builtin_psvoffset Built-in Functi
Page 165 and 166: __builtin_subab Built-in Functions
Page 167 and 168: __builtin_tblwth Built-in Functions
Page 169 and 170: C.1 INTRODUCTION C.2 ERRORS MPLAB
Page 171 and 172: Diagnostics ambiguous abbreviation
Page 173 and 174: Diagnostics cast specifies function
Page 175 and 176: F Diagnostics ‘identifier’ fail
Page 177 and 178: Diagnostics initializer for static
Page 179 and 180: Diagnostics invalid use of undefine
Page 181 and 182: N Diagnostics negative width in bit
Page 183 and 184: R Diagnostics redeclaration of ‘i
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Diagnostics symbol ‘symbol’ not
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Diagnostics void expression between
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Diagnostics anonymous union declare
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Diagnostics comparison between sign
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duplicate ‘const’ The ‘const
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Diagnostics function might be possi
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Diagnostics ‘identifier’ is nar
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Diagnostics library function ‘ide
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P Diagnostics parameter has incompl
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Diagnostics shift count >= width of
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Diagnostics too many arguments for
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V Diagnostics __VA_ARGS__ can only
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MPLAB C Compiler for PIC18 MCUs vs.
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E.1 INTRODUCTION E.2 HIGHLIGHTS MPL
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G.1 PREAMBLE MPLAB ® C COMPILER FO
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G.3 VERBATIM COPYING G.4 COPYING IN
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GNU Free Documentation License incl
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Glossary File Registers On-chip dat
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Glossary Machine Language A set of
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Glossary Stack, Software Memory use
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Symbols __builtin_add..............
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-fpack-struct .....................
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-idirafter.........................
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Peephole Optimization..............
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-Wsequence-point...................
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MPLAB C Compiler for PIC24 MCUs and dsPIC DSCs ... - Microchip

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