os.h
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1 
39 #ifndef OS_OS_H
40 #define OS_OS_H
41 
42 #include <assert.h>
43 #include <stdint.h>
44 
45 #include "irq.h"
46 #include "os/os_types.h"
47 #include "os/os_error.h"
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
62 #ifndef min
63 #define min(a, b) ((a)<(b)?(a):(b))
64 #endif
65 
66 #ifndef max
67 #define max(a, b) ((a)>(b)?(a):(b))
68 #endif
69 
70 #define OS_ALIGN(__n, __a) ( \
71  (((__n) & ((__a) - 1)) == 0) ? \
72  (__n) : \
73  ((__n) + ((__a) - ((__n) & ((__a) - 1)))) \
74  )
75 #define OS_ALIGNMENT (4)
81 typedef uint32_t os_sr_t;
82 
87 #define OS_ENTER_CRITICAL(_sr) (_sr = os_hw_enter_critical())
88 #define OS_EXIT_CRITICAL(_sr) (os_hw_exit_critical(_sr))
89 #define OS_ASSERT_CRITICAL() assert(os_hw_is_in_critical())
97 static inline uint32_t os_hw_enter_critical(void)
98 {
99  uint32_t ctx = irq_disable();
100  return ctx;
101 }
102 
108 static inline void os_hw_exit_critical(uint32_t ctx)
109 {
110  irq_restore((unsigned)ctx);
111 }
112 
118 static inline bool os_hw_is_in_critical(void)
119 {
120  return (irq_is_in() || !irq_is_enabled());
121 }
122 
123 /* Mynewt components (not abstracted in NPL or DPL) */
124 #include "os/endian.h"
125 #include "os/os_callout.h"
126 #include "os/os_cputime.h"
127 #include "os/os_dev.h"
128 #include "os/os_eventq.h"
129 #include "os/os_mbuf.h"
130 #include "os/os_mempool.h"
131 #include "os/os_mutex.h"
132 #include "os/os_sem.h"
133 #include "os/os_task.h"
134 #include "os/os_time.h"
135 #include "os/os_trace_api.h"
136 #include "os/queue.h"
137 
138 #if IS_USED(MODULE_NIMBLE)
139 #include "nimble/nimble_npl.h"
140 #endif
141 
142 #ifdef __cplusplus
143 }
144 #endif
145 
146 #endif /* OS_OS_H */
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:118
static void os_hw_exit_critical(uint32_t ctx)
Restores ISR context.
Definition: os.h:108
static uint32_t os_hw_enter_critical(void)
Disable ISRs.
Definition: os.h:97
uint32_t os_sr_t
CPU status register.
Definition: os.h:81
Abstraction layer for RIOT adaption.
mynewt-core event and event queue abstraction
mynewt-core time abstraction
mynewt-core types