os.h File Reference

mynewt-core error types More...

Detailed Description

mynewt-core error types

Definition in file os.h.

#include <assert.h>
#include <stdint.h>
#include "irq.h"
#include "os/os_types.h"
#include "os/os_error.h"
#include "os/endian.h"
#include "os/os_callout.h"
#include "os/os_cputime.h"
#include "os/os_dev.h"
#include "os/os_eventq.h"
#include "os/os_mbuf.h"
#include "os/os_mempool.h"
#include "os/os_mutex.h"
#include "os/os_sem.h"
#include "os/os_task.h"
#include "os/os_time.h"
#include "os/os_trace_api.h"
#include "os/queue.h"

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Typedefs
typedef uint32_t	os_sr_t
	CPU status register.

Functions
static uint32_t	os_hw_enter_critical (void)
	Disable ISRs.
static void	os_hw_exit_critical (uint32_t ctx)
	Restores ISR context.
static bool	os_hw_is_in_critical (void)
	Check if is in critical section.

MyNewt os/%.h required macros
PLEASE NOTE: Following macro definitions where copied directly from apache/mynewt-core and are under the copyright specified in the header.
#define	min(a, b)
#define	max(a, b)
#define	OS_ALIGN(__n, __a)
#define	OS_ALIGNMENT   (4)

Entering and exiting critical section defines
#define	OS_ENTER_CRITICAL(_sr)
#define	OS_EXIT_CRITICAL(_sr)
#define	OS_ASSERT_CRITICAL()

Macro Definition Documentation

max

#define max	(		a,
			b )

Value:

((a)>(b)?(a):(b))

Definition at line 43 of file os.h.

min

#define min	(		a,
			b )

Value:

((a)<(b)?(a):(b))

Definition at line 39 of file os.h.

OS_ALIGN

#define OS_ALIGN	(		__n,
			__a )

Value:

        (                             \
        (((__n) & ((__a) - 1)) == 0)                   ? \
            (__n)                                      : \
            ((__n) + ((__a) - ((__n) & ((__a) - 1))))    \
        )

Definition at line 46 of file os.h.

OS_ALIGNMENT

#define OS_ALIGNMENT   (4)

Definition at line 51 of file os.h.

OS_ASSERT_CRITICAL

#define OS_ASSERT_CRITICAL

(

)

Value:

assert(os_hw_is_in_critical())

Definition at line 65 of file os.h.

OS_ENTER_CRITICAL

#define OS_ENTER_CRITICAL

(

_sr

)

Value:

(_sr = os_hw_enter_critical())

Definition at line 63 of file os.h.

OS_EXIT_CRITICAL

#define OS_EXIT_CRITICAL

(

_sr

)

Value:

(os_hw_exit_critical(_sr))

Definition at line 64 of file os.h.

Typedef Documentation

os_sr_t

typedef uint32_t os_sr_t

CPU status register.

Definition at line 57 of file os.h.

Function Documentation

os_hw_enter_critical()

static uint32_t os_hw_enter_critical ( void )

inlinestatic

Disable ISRs.

Returns

current isr context

Definition at line 73 of file os.h.

os_hw_exit_critical()

static void os_hw_exit_critical ( uint32_t ctx )

inlinestatic

Restores ISR context.

Parameters

[in]

ctx

ISR context to restore.

Definition at line 84 of file os.h.

os_hw_is_in_critical()

static bool os_hw_is_in_critical ( void )

inlinestatic

Check if is in critical section.

Returns

true, if in critical section, false otherwise

Definition at line 94 of file os.h.