port.c File Reference

#include "FreeRTOS.h"
#include "task.h"

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Macros
#define	configSYSTICK_CLOCK_HZ   configCPU_CLOCK_HZ
#define	portNVIC_SYSTICK_CLK_BIT   ( 1UL << 2UL )
#define	configOVERRIDE_DEFAULT_TICK_CONFIGURATION   0
#define	portNVIC_SYSTICK_CTRL_REG   ( * ( ( volatile uint32_t * ) 0xe000e010 ) )
#define	portNVIC_SYSTICK_LOAD_REG   ( * ( ( volatile uint32_t * ) 0xe000e014 ) )
#define	portNVIC_SYSTICK_CURRENT_VALUE_REG   ( * ( ( volatile uint32_t * ) 0xe000e018 ) )
#define	portNVIC_SYSPRI2_REG   ( * ( ( volatile uint32_t * ) 0xe000ed20 ) )
#define	portNVIC_SYSTICK_INT_BIT   ( 1UL << 1UL )
#define	portNVIC_SYSTICK_ENABLE_BIT   ( 1UL << 0UL )
#define	portNVIC_SYSTICK_COUNT_FLAG_BIT   ( 1UL << 16UL )
#define	portNVIC_PENDSVCLEAR_BIT   ( 1UL << 27UL )
#define	portNVIC_PEND_SYSTICK_CLEAR_BIT   ( 1UL << 25UL )
#define	portNVIC_PENDSV_PRI   ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 16UL )
#define	portNVIC_SYSTICK_PRI   ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 24UL )
#define	portFIRST_USER_INTERRUPT_NUMBER   ( 16 )
#define	portNVIC_IP_REGISTERS_OFFSET_16   ( 0xE000E3F0 )
#define	portAIRCR_REG   ( * ( ( volatile uint32_t * ) 0xE000ED0C ) )
#define	portMAX_8_BIT_VALUE   ( ( uint8_t ) 0xff )
#define	portTOP_BIT_OF_BYTE   ( ( uint8_t ) 0x80 )
#define	portMAX_PRIGROUP_BITS   ( ( uint8_t ) 7 )
#define	portPRIORITY_GROUP_MASK   ( 0x07UL << 8UL )
#define	portPRIGROUP_SHIFT   ( 8UL )
#define	portVECTACTIVE_MASK   ( 0xFFUL )
#define	portINITIAL_XPSR   ( 0x01000000 )
#define	portMAX_24_BIT_NUMBER   ( 0xffffffUL )
#define	portMISSED_COUNTS_FACTOR   ( 45UL )
#define	portSTART_ADDRESS_MASK   ( ( StackType_t ) 0xfffffffeUL )

Functions
void	vPortSetupTimerInterrupt (void)
void	xPortPendSVHandler (void)
void	xPortSysTickHandler (void)
void	vPortSVCHandler (void)
static void	prvStartFirstTask (void)
static void	prvTaskExitError (void)
StackType_t *	pxPortInitialiseStack (StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters)
BaseType_t	xPortStartScheduler (void)
void	vPortEndScheduler (void)
void	vPortEnterCritical (void)
void	vPortExitCritical (void)
__asm uint32_t	vPortGetIPSR (void)

Variables
static UBaseType_t	uxCriticalNesting = 0xaaaaaaaa

Macro Definition Documentation

configOVERRIDE_DEFAULT_TICK_CONFIGURATION

#define configOVERRIDE_DEFAULT_TICK_CONFIGURATION   0

configSYSTICK_CLOCK_HZ

#define configSYSTICK_CLOCK_HZ   configCPU_CLOCK_HZ

portAIRCR_REG

#define portAIRCR_REG   ( * ( ( volatile uint32_t * ) 0xE000ED0C ) )

portFIRST_USER_INTERRUPT_NUMBER

#define portFIRST_USER_INTERRUPT_NUMBER   ( 16 )

portINITIAL_XPSR

#define portINITIAL_XPSR   ( 0x01000000 )

portMAX_24_BIT_NUMBER

#define portMAX_24_BIT_NUMBER   ( 0xffffffUL )

portMAX_8_BIT_VALUE

#define portMAX_8_BIT_VALUE   ( ( uint8_t ) 0xff )

portMAX_PRIGROUP_BITS

#define portMAX_PRIGROUP_BITS   ( ( uint8_t ) 7 )

portMISSED_COUNTS_FACTOR

#define portMISSED_COUNTS_FACTOR   ( 45UL )

portNVIC_IP_REGISTERS_OFFSET_16

#define portNVIC_IP_REGISTERS_OFFSET_16   ( 0xE000E3F0 )

portNVIC_PEND_SYSTICK_CLEAR_BIT

#define portNVIC_PEND_SYSTICK_CLEAR_BIT   ( 1UL << 25UL )

portNVIC_PENDSV_PRI

#define portNVIC_PENDSV_PRI   ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 16UL )

portNVIC_PENDSVCLEAR_BIT

#define portNVIC_PENDSVCLEAR_BIT   ( 1UL << 27UL )

portNVIC_SYSPRI2_REG

#define portNVIC_SYSPRI2_REG   ( * ( ( volatile uint32_t * ) 0xe000ed20 ) )

portNVIC_SYSTICK_CLK_BIT

#define portNVIC_SYSTICK_CLK_BIT   ( 1UL << 2UL )

portNVIC_SYSTICK_COUNT_FLAG_BIT

#define portNVIC_SYSTICK_COUNT_FLAG_BIT   ( 1UL << 16UL )

portNVIC_SYSTICK_CTRL_REG

#define portNVIC_SYSTICK_CTRL_REG   ( * ( ( volatile uint32_t * ) 0xe000e010 ) )

portNVIC_SYSTICK_CURRENT_VALUE_REG

#define portNVIC_SYSTICK_CURRENT_VALUE_REG   ( * ( ( volatile uint32_t * ) 0xe000e018 ) )

portNVIC_SYSTICK_ENABLE_BIT

#define portNVIC_SYSTICK_ENABLE_BIT   ( 1UL << 0UL )

portNVIC_SYSTICK_INT_BIT

#define portNVIC_SYSTICK_INT_BIT   ( 1UL << 1UL )

portNVIC_SYSTICK_LOAD_REG

#define portNVIC_SYSTICK_LOAD_REG   ( * ( ( volatile uint32_t * ) 0xe000e014 ) )

portNVIC_SYSTICK_PRI

#define portNVIC_SYSTICK_PRI   ( ( ( uint32_t ) configKERNEL_INTERRUPT_PRIORITY ) << 24UL )

portPRIGROUP_SHIFT

#define portPRIGROUP_SHIFT   ( 8UL )

portPRIORITY_GROUP_MASK

#define portPRIORITY_GROUP_MASK   ( 0x07UL << 8UL )

portSTART_ADDRESS_MASK

#define portSTART_ADDRESS_MASK   ( ( StackType_t ) 0xfffffffeUL )

portTOP_BIT_OF_BYTE

#define portTOP_BIT_OF_BYTE   ( ( uint8_t ) 0x80 )

portVECTACTIVE_MASK

#define portVECTACTIVE_MASK   ( 0xFFUL )

Function Documentation

prvStartFirstTask()

__asm void prvStartFirstTask ( void  )

static

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prvTaskExitError()

static void prvTaskExitError ( void  )

static

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pxPortInitialiseStack()

StackType_t* pxPortInitialiseStack	(	StackType_t *	pxTopOfStack,
		TaskFunction_t	pxCode,
		void *	pvParameters
	)

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vPortEndScheduler()

void vPortEndScheduler

(

void

)

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vPortEnterCritical()

void vPortEnterCritical

(

void

)

vPortExitCritical()

void vPortExitCritical

(

void

)

vPortGetIPSR()

__asm uint32_t vPortGetIPSR

(

void

)

vPortSetupTimerInterrupt()

void vPortSetupTimerInterrupt

(

void

)

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vPortSVCHandler()

void vPortSVCHandler

(

void

)

xPortPendSVHandler()

void xPortPendSVHandler

(

void

)

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xPortStartScheduler()

BaseType_t xPortStartScheduler

(

void

)

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xPortSysTickHandler()

void xPortSysTickHandler

(

void

)

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Variable Documentation

uxCriticalNesting

UBaseType_t uxCriticalNesting = 0xaaaaaaaa

static