os.h
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1 
29 #pragma once
30 
41 #include <assert.h>
42 #include <stdint.h>
43 
44 #include "irq.h"
45 #include "os/os_types.h"
46 #include "os/os_error.h"
47 
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51 
61 #ifndef min
62 #define min(a, b) ((a)<(b)?(a):(b))
63 #endif
64 
65 #ifndef max
66 #define max(a, b) ((a)>(b)?(a):(b))
67 #endif
68 
69 #define OS_ALIGN(__n, __a) ( \
70  (((__n) & ((__a) - 1)) == 0) ? \
71  (__n) : \
72  ((__n) + ((__a) - ((__n) & ((__a) - 1)))) \
73  )
74 #define OS_ALIGNMENT (4)
80 typedef uint32_t os_sr_t;
81 
86 #define OS_ENTER_CRITICAL(_sr) (_sr = os_hw_enter_critical())
87 #define OS_EXIT_CRITICAL(_sr) (os_hw_exit_critical(_sr))
88 #define OS_ASSERT_CRITICAL() assert(os_hw_is_in_critical())
96 static inline uint32_t os_hw_enter_critical(void)
97 {
98  uint32_t ctx = irq_disable();
99  return ctx;
100 }
101 
107 static inline void os_hw_exit_critical(uint32_t ctx)
108 {
109  irq_restore((unsigned)ctx);
110 }
111 
117 static inline bool os_hw_is_in_critical(void)
118 {
119  return (irq_is_in() || !irq_is_enabled());
120 }
121 
122 /* Mynewt components (not abstracted in NPL or DPL) */
123 #include "os/endian.h"
124 #include "os/os_callout.h"
125 #include "os/os_cputime.h"
126 #include "os/os_dev.h"
127 #include "os/os_eventq.h"
128 #include "os/os_mbuf.h"
129 #include "os/os_mempool.h"
130 #include "os/os_mutex.h"
131 #include "os/os_sem.h"
132 #include "os/os_task.h"
133 #include "os/os_time.h"
134 #include "os/os_trace_api.h"
135 #include "os/queue.h"
136 
137 #if IS_USED(MODULE_NIMBLE)
138 #include "nimble/nimble_npl.h"
139 #endif
140 
141 #ifdef __cplusplus
142 }
143 #endif
POSIX.1-2008 compliant version of the assert macro.
MAYBE_INLINE void irq_restore(unsigned state)
This function restores the IRQ disable bit in the status register to the value contained within passe...
MAYBE_INLINE unsigned irq_disable(void)
This function sets the IRQ disable bit in the status register.
MAYBE_INLINE bool irq_is_enabled(void)
Test if IRQs are currently enabled.
MAYBE_INLINE bool irq_is_in(void)
Check whether called from interrupt service routine.
IRQ driver interface.
static bool os_hw_is_in_critical(void)
Check if is in critical section.
Definition: os.h:117
static void os_hw_exit_critical(uint32_t ctx)
Restores ISR context.
Definition: os.h:107
static uint32_t os_hw_enter_critical(void)
Disable ISRs.
Definition: os.h:96
uint32_t os_sr_t
CPU status register.
Definition: os.h:80
Abstraction layer for RIOT adaption.
mynewt-core event and event queue abstraction
mynewt-core time abstraction
mynewt-core types