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

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16-Bit C Compiler User’s Guide NOTES: DS51284H-page 228 © 2008 Microchip Technology Inc.
Symbols __builtin_add.......................................................... 142 __builtin_addab...................................................... 142 __builtin_btg........................................................... 143 __builtin_clr ............................................................ 143 __builtin_clr_prefect............................................... 144 __builtin_divf .......................................................... 145 __builtin_divmodsd ................................................ 145 __builtin_divmodud ................................................ 146 __builtin_divsd ....................................................... 146 __builtin_divud ....................................................... 146 __builtin_dmaoffset................................................ 147 __builtin_ed............................................................ 147 __builtin_edac........................................................ 148 __builtin_fbcl .......................................................... 148 __builtin_lac ........................................................... 149 __builtin_mac......................................................... 150 __builtin_modsd..................................................... 150 __builtin_modud..................................................... 151 __builtin_movsac ................................................... 151 __builtin_mpy......................................................... 152 __builtin_mpyn....................................................... 153 __builtin_msc ......................................................... 154 __builtin_mulss ...................................................... 154 __builtin_mulsu ...................................................... 155 __builtin_mulus ...................................................... 155 __builtin_muluu...................................................... 155 __builtin_nop.......................................................... 156 __builtin_psvoffset ................................................. 156 __builtin_psvpage .................................................. 156 __builtin_readsfr..................................................... 157 __builtin_return_address........................................ 157 __builtin_sac .......................................................... 157 __builtin_sacr......................................................... 158 __builtin_sftac ........................................................ 158 __builtin_subab...................................................... 159 __builtin_tbloffset ................................................... 159 __builtin_tblpage.................................................... 159 __builtin_tblrdh....................................................... 160 __builtin_tblrdl........................................................ 160 __builtin_tblwth ...................................................... 161 __builtin_tblwtl........................................................ 161 __builtin_write_NVM .............................................. 161 __builtin_write_OSCCONH.................................... 162 __builtin_write_OSCCONL .................................... 162 __builtin_write_RTCWEN ...................................... 162 __C30_VERSION__ ................................................ 60 .bss....................................................................16, 135 .const...................................................................64, 76 .data ..................................................................16, 135 MPLAB ® C COMPILER FOR PIC24 MCUs AND dsPIC ® DSCs USER’S GUIDE Index .dinit.......................................................................... 64 .pbss......................................................................... 64 .text .......................................................24, 36, 68, 135 .tmpdata ................................................................. 207 #define ..................................................................... 52 #ident ....................................................................... 57 #if ............................................................................. 45 #include...................................................52, 53, 91, 93 #line.......................................................................... 54 #pragma ....................................................41, 135, 206 A -A.............................................................................. 51 abort ................................................................. 24, 138 Access Memory...................................................... 205 address Attribute ................................................ 12, 20 Address Spaces ....................................................... 63 alias Attribute ........................................................... 20 aligned Attribute ....................................................... 13 Alignment ..............................................13, 15, 73, 134 -ansi ..............................................................26, 38, 54 ANSI C Standard........................................................ 9 ANSI C, Differences with 16-Bit Device C................ 11 ANSI C, Strict ........................................................... 39 ANSI Standard Library Support.................................. 9 ANSI-89 extension ................................................... 79 Archiver ...................................................................... 8 Arrays and Pointers................................................ 133 ASCII Character Set............................................... 213 asm ...........................................................13, 121, 205 Assembler .................................................................. 8 Assembly Options .................................................... 54 -Wa ................................................................... 54 Assembly, Inline ............................................. 121, 205 Assembly, Mixing with C ........................................ 119 Atomic Operation ................................................... 114 attribute .......................................................12, 20, 206 Attribute, Function .................................................... 20 address ............................................................. 20 alias................................................................... 20 boot ................................................................... 21 const ................................................................. 22 deprecated ........................................................ 22 far...................................................................... 22 format................................................................ 22 format_arg......................................................... 23 interrupt..............................................23, 101, 112 near................................................................... 23 no_instrument_function............................... 23, 57 noload ............................................................... 24 noreturn....................................................... 24, 44 © 2008 Microchip Technology Inc. DS51284H-page 229
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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
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4.14.2 String Literals as Arguments
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6.1 INTRODUCTION MPLAB ® C COMPILE
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6.3 PMP POINTERS Additional C Point
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6.4 EXTERNAL POINTERS 6.3.3 Define
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ead_external16 Additional C Pointer
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Additional C Pointer Types } else {
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7.5 USING SFRS Device Support Files
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7.6 USING MACROS Device Support Fil
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EXAMPLE 7-2: EEDATA ACCESS VIA PSV
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Interrupts When using the interrupt
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8.4.1 dsPIC30F DSCs (Non-SMPS) Inte
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8.4.3 PIC24F MCUs Interrupt Vectors
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Interrupts TABLE 8-3: INTERRUPT VEC
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Interrupts TABLE 8-4: INTERRUPT VEC
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85 _Interrupt85 _AltInterrupt85 Res
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8.8 ENABLING/DISABLING INTERRUPTS I
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Interrupts 2. Unsafe: read bar inte
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LATGbits.LATG2 = 0; /* No problem l
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Mixing Assembly Language and C Modu
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A.5 IDENTIFIERS A.6 CHARACTERS Impl
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Implementation-Defined Behavior The
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A.15 PREPROCESSING DIRECTIVES Imple
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A.17 SIGNALS A.18 STREAMS AND FILES
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A.24 GETENV A.25 SYSTEM A.26 STRERR
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B.1 INTRODUCTION MPLAB ® C COMPILE
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__builtin_btg Built-in Functions De
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__builtin_clr_prefetch Argument: xp
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__builtin_dmaoffset Built-in Functi
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__builtin_fbcl Built-in Functions A
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__builtin_modsd Argument: dividend
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__builtin_mpy Error Messages An err
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__builtin_mulss Built-in Functions
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__builtin_psvoffset Built-in Functi
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__builtin_subab Built-in Functions
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__builtin_tblwth Built-in Functions
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C.1 INTRODUCTION C.2 ERRORS MPLAB
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Diagnostics ambiguous abbreviation
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Diagnostics cast specifies function
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F Diagnostics ‘identifier’ fail
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Diagnostics initializer for static
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Diagnostics invalid use of undefine
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N Diagnostics negative width in bit
Page 183 and 184: R Diagnostics redeclaration of ‘i
Page 185 and 186: Diagnostics symbol ‘symbol’ not
Page 187 and 188: Diagnostics void expression between
Page 189 and 190: Diagnostics anonymous union declare
Page 191 and 192: Diagnostics comparison between sign
Page 193 and 194: duplicate ‘const’ The ‘const
Page 195 and 196: Diagnostics function might be possi
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Page 199 and 200: Diagnostics library function ‘ide
Page 201 and 202: P Diagnostics parameter has incompl
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Page 209 and 210: MPLAB ® C COMPILER FOR PIC24 MCUs
Page 211 and 212: MPLAB C Compiler for PIC18 MCUs vs.
Page 217 and 218: E.1 INTRODUCTION E.2 HIGHLIGHTS MPL
Page 221 and 222: G.1 PREAMBLE MPLAB ® C COMPILER FO
Page 223 and 224: G.3 VERBATIM COPYING G.4 COPYING IN
Page 225 and 226: GNU Free Documentation License incl
Page 229 and 230: Glossary File Registers On-chip dat
Page 231 and 232: Glossary Machine Language A set of
Page 233: Glossary Stack, Software Memory use
Page 237 and 238: -fpack-struct .....................
Page 239 and 240: -idirafter.........................
Page 241 and 242: Peephole Optimization..............
Page 243 and 244: -Wsequence-point...................
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