iar.h File Reference

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#include <intrinsics.h>
#include <stdarg.h>
#include <assert.h>
#include "hal/micro/generic/compiler/platform-common.h"

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Defines

#define _HAL_USE_COMMON_PGM_
 Use the Master Program Memory Declarations from platform-common.h.
#define _HAL_USE_COMMON_MEMUTILS_
 Use the C Standard Library Memory Utilities from platform-common.h.
#define PLATCOMMONOKTOINCLUDE
 Include platform-common.h last to pick up defaults and common definitions.
Portable segment names



#define __NO_INIT__   ".noinit"
 Portable segment names.
#define __INTVEC__   ".intvec"
#define __CSTACK__   "CSTACK"
#define __DATA_INIT__   ".data_init"
#define __DATA__   ".data"
#define __BSS__   ".bss"
#define __CONST__   ".rodata"
#define __TEXT__   ".text"
#define __TEXTRW_INIT__   ".textrw_init"
#define __TEXTRW__   ".textrw"
#define __FAT__   "FAT"
#define __NVM__   "NVM"

Typedefs

Master Variable Types

These are a set of typedefs to make the size of all variable declarations explicitly known.



typedef unsigned char boolean
 A typedef to make the size of the variable explicitly known.
typedef unsigned char int8u
typedef signed char int8s
typedef unsigned short int16u
typedef signed short int16s
typedef unsigned int int32u
typedef signed int int32s
typedef unsigned int PointerType

Functions

External Declarations

These are routines that are defined in certain header files that we don't want to include, e.g.

stdlib.h



int abs (int I)
 Returns the absolute value of I (also called the magnitude of I).

Miscellaneous Macros



#define BIGENDIAN_CPU   FALSE
 A convenient method for code to know what endiannes processor it is running on.
#define NO_STRIPPING   __root
 A friendlier name for the compiler's intrinsic for not stripping.
#define EEPROM   errorerror
 A friendlier name for the compiler's intrinsic for eeprom reference.
#define __delay_cycles(x)   please_use_halCommonDelayMicroseconds_instead_of_delay_cycles
 __delay_cycles() is an intrinsic IAR call; however, we have explicity disallowed it since it is too specific to the system clock.
#define APPLICATION_IMAGE_START   ((u32) __section_begin("FLASH_IMAGE"))
 Set debug level based on whether or DEBUG is defined.
#define APPLICATION_IMAGE_END   ((u32) __section_end ("FLASH_IMAGE"))
#define halResetWatchdog()   halInternalResetWatchDog()
#define __attribute__(nothing)
 Define __attribute__ to nothing since it isn't handled by IAR.
#define UNUSED
 Declare a variable as unused to avoid a warning.
#define SIGNED_ENUM
 Some platforms need to cast enum values that have the high bit set.
#define STACK_FILL_VALUE   0xCDCDCDCD
 Define the magic value that is interpreted by IAR C-SPY's Stack View.
#define RAMFUNC   __ramfunc
 Define a generic RAM function identifier to a compiler specific one.
#define NO_OPERATION()   __no_operation()
 Define a generic no operation identifier to a compiler specific one.
#define SET_REG_FIELD(reg, field, value)
 A convenience macro that makes it easy to change the field of a register to any value.
#define simulatedTimePasses()
 Stub for code not running in simulation.
#define simulatedTimePassesMs(x)
 Stub for code not running in simulation.
#define simulatedSerialTimePasses()
 Stub for code not running in simulation.
#define _HAL_USE_COMMON_DIVMOD_
 Use the Divide and Modulus Operations from platform-common.h.
#define VAR_AT_SEGMENT(__variableDeclaration, __segmentName)   __variableDeclaration @ __segmentName
 Provide a portable way to specify the segment where a variable lives.
#define _QUOTEME(a)   #a
#define QUOTEME(a)   _QUOTEME(a)
#define ALIGN_VAR(__variableDeclaration, alignment)
void halInternalResetWatchDog (void)
 Macro to reset the watchdog timer.

Global Interrupt Manipulation Macros

Note: The special purpose BASEPRI register is used to enable and disable interrupts while permitting faults.

When BASEPRI is set to 1 no interrupts can trigger. The configurable faults (usage, memory management, and bus faults) can trigger if enabled as well as the always-enabled exceptions (reset, NMI and hard fault). When BASEPRI is set to 0, it is disabled, so any interrupt can triggger if its priority is higher than the current priority.



#define ATOMIC_LITE(blah)   ATOMIC(blah)
#define DECLARE_INTERRUPT_STATE_LITE   DECLARE_INTERRUPT_STATE
#define DISABLE_INTERRUPTS_LITE()   DISABLE_INTERRUPTS()
#define RESTORE_INTERRUPTS_LITE()   RESTORE_INTERRUPTS()
#define DECLARE_INTERRUPT_STATE   int8u _emIsrState
 This macro should be called in the local variable declarations section of any function which calls DISABLE_INTERRUPTS() or RESTORE_INTERRUPTS().
#define DISABLE_INTERRUPTS()
 Disable interrupts, saving the previous state so it can be later restored with RESTORE_INTERRUPTS().
#define RESTORE_INTERRUPTS()
 Restore the global interrupt state previously saved by DISABLE_INTERRUPTS().
#define INTERRUPTS_ON()
 Enable global interrupts without regard to the current or previous state.
#define INTERRUPTS_OFF()
 Disable global interrupts without regard to the current or previous state.
#define INTERRUPTS_ARE_OFF()   ( _basePriIsDisabled() )
#define INTERRUPTS_WERE_ON()   (_emIsrState == 0)
#define ATOMIC(blah)
 A block of code may be made atomic by wrapping it with this macro.
#define HANDLE_PENDING_INTERRUPTS()
 Allows any pending interrupts to be executed.
#define SET_BASE_PRIORITY_LEVEL(basepri)
 Sets the base priority mask (BASEPRI) to the value passed, bit shifted up by PRIGROUP_POSITION+1.
int8u _readBasePri (void)
void _writeBasePri (int8u priority)
void _enableBasePri (void)
int8u _disableBasePri (void)
boolean _basePriIsDisabled (void)
void _setPriMask (void)
void _clearPriMask (void)

Detailed Description

iar for detailed documentation.

Definition in file iar.h.


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