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

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16-Bit C Compiler User’s Guide A.19 TMPFILE A.20 ERRNO A.21 MEMORY A.22 ABORT A.23 EXIT What are the rules for composing a valid file name? (ISO 7.9.3) Application defined. Can the same file be open multiple times? (ISO 7.9.3) Application defined. What is the effect of the remove function on an open file? (ISO 7.9.4.1) Application defined. What is the effect if a file with the new name exists prior to a call to the rename function? (ISO 7.9.4.2) Application defined. What is the form of the output for %p conversion in the fprintf function? (ISO 7.9.6.1) A hexadecimal representation. What form does the input for %p conversion in the fscanf function take? (ISO 7.9.6.2) A hexadecimal representation. Is an open temporary file removed if the program terminates abnormally? (ISO 7.9.4.3) Yes. What value is the macro errno set to by the fgetpos or ftell function on failure? (ISO 7.9.9.1, (ISO 7.9.9.4) Application defined. What is the format of the messages generated by the perror function? (ISO 7.9.10.4) The argument to perror, followed by a colon, followed by a text description of the value of errno. What is the behavior of the calloc, malloc or realloc function if the size requested is zero? (ISO 7.10.3) A block of zero length is allocated. What happens to open and temporary files when the abort function is called? (ISO 7.10.4.1) Nothing. What is the status returned by the exit function if the value of the argument is other than zero, EXIT_SUCCESS, or EXIT_FAILURE? (ISO 7.10.4.3) The value of the argument. DS51284H-page 138 © 2008 Microchip Technology Inc.
A.24 GETENV A.25 SYSTEM A.26 STRERROR Implementation-Defined Behavior What limitations are there on environment names? (ISO 7.10.4.4) Application defined. Describe the method used to alter the environment list obtained by a call to the getenv function. (ISO 7.10.4.4) Application defined. Describe the format of the string that is passed to the system function. (ISO 7.10.4.5) Application defined. What mode of execution is performed by the system function? (ISO 7.10.4.5) Application defined. Describe the format of the error message output by the strerror function. (ISO 7.11.6.2) A plain character string. List the contents of the error message strings returned by a call to the strerror function. (ISO 7.11.6.2) TABLE A-7: ERROR MESSAGE STRINGS Errno Message 0 no error EDOM domain error ERANGE range error EFPOS file positioning error EFOPEN file open error nnn error #nnn © 2008 Microchip Technology Inc. DS51284H-page 139
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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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5.1 INTRODUCTION 5.2 HIGHLIGHTS MPL
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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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Page 95 and 96: Additional C Pointer Types } else {
Page 97 and 98: 7.1 INTRODUCTION 7.2 HIGHLIGHTS MPL
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 105 and 106: 8.1 INTRODUCTION 8.2 HIGHLIGHTS MPL
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
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Page 123 and 124: LATGbits.LATG2 = 0; /* No problem l
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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: A.17 SIGNALS A.18 STREAMS AND FILES
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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
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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
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
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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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