app_util_platform.h

/*$$$LICENCE_NORDIC_STANDARD<2014>$$$*/
#ifndef APP_UTIL_PLATFORM_H__
#define APP_UTIL_PLATFORM_H__

#include <stdint.h>
#include "compiler_abstraction.h"
#include "nrf.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#include "nrf_nvic.h"
#endif
#include "nrf_assert.h"
#include "app_error.h"

#ifdef __cplusplus
extern "C" {
#endif

#if __CORTEX_M == (0x00U)
#define _PRIO_SD_HIGH 0
#define _PRIO_APP_HIGH 1
#define _PRIO_APP_MID 1
#define _PRIO_SD_LOW 2
#define _PRIO_APP_LOW 3
#define _PRIO_APP_LOWEST 3
#define _PRIO_THREAD 4
#elif __CORTEX_M == (0x04U) && !defined(S1XX)
#define _PRIO_SD_HIGH 0
#define _PRIO_SD_MID 1
#define _PRIO_APP_HIGH 2
#define _PRIO_APP_MID 3
#define _PRIO_SD_LOW 4
#define _PRIO_SD_LOWEST 5
#define _PRIO_APP_LOW 6
#define _PRIO_APP_LOWEST 7
#define _PRIO_THREAD 15
#elif defined(S1XX)
#define _PRIO_SD_HIGH 0
#define _PRIO_APP_HIGH 1
#define _PRIO_APP_MID 1
#define _PRIO_SD_LOW 2
#define _PRIO_APP_LOW 3
#define _PRIO_APP_LOWEST 3
#define _PRIO_THREAD 4
#else
 #error "No platform defined"
#endif


//lint -save -e113 -e452
typedef enum
{
#ifndef SOFTDEVICE_PRESENT
 APP_IRQ_PRIORITY_HIGHEST = _PRIO_SD_HIGH,
#else
 APP_IRQ_PRIORITY_HIGHEST = _PRIO_APP_HIGH,
#endif
 APP_IRQ_PRIORITY_HIGH = _PRIO_APP_HIGH,
#ifndef SOFTDEVICE_PRESENT
 APP_IRQ_PRIORITY_MID = _PRIO_SD_LOW,
#else
 APP_IRQ_PRIORITY_MID = _PRIO_APP_MID,
#endif
 APP_IRQ_PRIORITY_LOW = _PRIO_APP_LOW,
 APP_IRQ_PRIORITY_LOWEST = _PRIO_APP_LOWEST,
 APP_IRQ_PRIORITY_THREAD = _PRIO_THREAD 
} app_irq_priority_t;
//lint -restore


/*@brief The privilege levels available to applications in Thread Mode */
typedef enum
{
 APP_LEVEL_UNPRIVILEGED,
 APP_LEVEL_PRIVILEGED
} app_level_t;

#define EXTERNAL_INT_VECTOR_OFFSET 16

#if defined(__GNUC__)
#define NRF_BREAKPOINT __builtin_trap()
#else
#define NRF_BREAKPOINT __BKPT(0)
#endif

#if __CORTEX_M == 0x04
#define NRF_BREAKPOINT_COND do { \
 /* C_DEBUGEN == 1 -> Debugger Connected */ \
 if (CoreDebug->DHCSR & CoreDebug_DHCSR_C_DEBUGEN_Msk) \
 { \
 /* Generate breakpoint if debugger is connected */ \
 NRF_BREAKPOINT; \
 } \
 }while (0)
#else
#define NRF_BREAKPOINT_COND NRF_BREAKPOINT
#endif // __CORTEX_M == 0x04

#if defined ( __CC_ARM )
#define PACKED(TYPE) __packed TYPE
#define PACKED_STRUCT PACKED(struct)
#elif defined ( __GNUC__ )
#define PACKED __attribute__((packed))
#define PACKED_STRUCT struct PACKED
#elif defined (__ICCARM__)
#define PACKED_STRUCT __packed struct
#endif

void app_util_critical_region_enter (uint8_t *p_nested);
void app_util_critical_region_exit (uint8_t nested);

#ifdef SOFTDEVICE_PRESENT
#define CRITICAL_REGION_ENTER() \
 { \
 uint8_t __CR_NESTED = 0; \
 app_util_critical_region_enter(&__CR_NESTED);
#else
#define CRITICAL_REGION_ENTER() app_util_critical_region_enter(NULL)
#endif

#ifdef SOFTDEVICE_PRESENT
#define CRITICAL_REGION_EXIT() \
 app_util_critical_region_exit(__CR_NESTED); \
 }
#else
#define CRITICAL_REGION_EXIT() app_util_critical_region_exit(0)
#endif

/* Workaround for Keil 4 */
#ifndef IPSR_ISR_Msk
#define IPSR_ISR_Msk (0x1FFUL /*<< IPSR_ISR_Pos*/) 
#endif



#if defined(__CC_ARM)
 #define ANON_UNIONS_ENABLE _Pragma("push") \
 _Pragma("anon_unions")
#elif defined(__ICCARM__)
 #define ANON_UNIONS_ENABLE _Pragma("language=extended")
#else
 #define ANON_UNIONS_ENABLE
 // No action will be taken.
 // For GCC anonymous unions are enabled by default.
#endif

#if defined(__CC_ARM)
 #define ANON_UNIONS_DISABLE _Pragma("pop")
#elif defined(__ICCARM__)
 #define ANON_UNIONS_DISABLE
 // for IAR leave anonymous unions enabled
#else
 #define ANON_UNIONS_DISABLE
 // No action will be taken.
 // For GCC anonymous unions are enabled by default.
#endif

#ifdef __GNUC__
#define GCC_PRAGMA(v) _Pragma(v)
#else
#define GCC_PRAGMA(v)
#endif

/* Workaround for Keil 4 */
#ifndef CONTROL_nPRIV_Msk
#define CONTROL_nPRIV_Msk (1UL /*<< CONTROL_nPRIV_Pos*/) 
#endif

uint8_t current_int_priority_get(void);


uint8_t privilege_level_get(void);


#ifdef __cplusplus
}
#endif

#endif // APP_UTIL_PLATFORM_H__