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xiaozhengsheng
2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
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243
external/freertos/portable/CMSIS/nrf51/port_cmsis.c vendored Normal file
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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the ARM CM0 port.
*----------------------------------------------------------*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#endif
/* Make sure that all elements in isr state fits in uint32_t element*/
#include "portmacro_cmsis.h"
STATIC_ASSERT(sizeof(portISRState_t) == sizeof(uint32_t));
/* Constants used for assertion check of the selected CPU */
#define portCORTEX_M0_r0p0_ID ( 0x410CC200UL )
/* Constants required to check the validity of an interrupt priority. */
#define portFIRST_USER_INTERRUPT_NUMBER ( 16 )
#define portMAX_8_BIT_VALUE ( ( uint8_t ) 0xff )
#define portTOP_BIT_OF_BYTE ( ( uint8_t ) 0x80 )
/* Constants required to set up the initial stack. */
#define portINITIAL_XPSR (((xPSR_Type){.b.T = 1}).w)
#define portINITIAL_EXEC_RETURN ( 0xfffffffd )
/* Let the user override the pre-loading of the initial LR with the address of
prvTaskExitError() in case is messes up unwinding of the stack in the
debugger. */
#ifdef configTASK_RETURN_ADDRESS
#define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS
#else
#define portTASK_RETURN_ADDRESS prvTaskExitError
#endif
/* Each task maintains its own interrupt status in the critical nesting
variable. */
static UBaseType_t uxCriticalNesting = 0;
#ifdef SOFTDEVICE_PRESENT
/* Flag that is set when yielding should be done after critical section exiting */
static UBaseType_t uxYieldFlag = 0;
#endif
/*
* Setup the timer to generate the tick interrupts. The implementation in this
* file is weak to allow application writers to change the timer used to
* generate the tick interrupt.
*/
extern void vPortSetupTimerInterrupt( void );
/*
* Exception handlers.
*/
void xPortSysTickHandler( void );
/*
* Start first task is a separate function so it can be tested in isolation.
*/
extern void vPortStartFirstTask( void );
/*
* Used to catch tasks that attempt to return from their implementing function.
*/
static void prvTaskExitError( void );
/*-----------------------------------------------------------*/
/*
* See header file for description.
*/
StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
{
/* Simulate the stack frame as it would be created by a context switch
interrupt. */
/* Offset added to account for the way the MCU uses the stack on entry/exit
of interrupts, and to ensure alignment. */
pxTopOfStack--;
*pxTopOfStack = portINITIAL_XPSR; /* xPSR */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) pxCode; /* PC */
pxTopOfStack--;
*pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */
/* Save code space by skipping register initialisation. */
pxTopOfStack -= 5; /* R12, R3, R2 and R1. */
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */
return pxTopOfStack;
}
/*-----------------------------------------------------------*/
static void prvTaskExitError( void )
{
/* A function that implements a task must not exit or attempt to return to
its caller as there is nothing to return to. If a task wants to exit it
should instead call vTaskDelete( NULL ).
Artificially force an assert() to be triggered if configASSERT() is
defined, then stop here so application writers can catch the error. */
configASSERT( uxCriticalNesting == ~0UL );
portDISABLE_INTERRUPTS();
for ( ;; );
}
/*-----------------------------------------------------------*/
/*
* See header file for description.
*/
BaseType_t xPortStartScheduler( void )
{
/* This port can be used only on Cortex-M0 processor */
configASSERT( SCB->CPUID == portCORTEX_M0_r0p0_ID );
/* Make PendSV the lowest priority interrupts. */
NVIC_SetPriority(PendSV_IRQn, configKERNEL_INTERRUPT_PRIORITY);
/* Start the timer that generates the tick ISR. Interrupts are disabled
here already. */
vPortSetupTimerInterrupt();
/* Initialise the critical nesting count ready for the first task. */
uxCriticalNesting = 0;
/* Finally this port requires SEVONPEND to be active */
SCB->SCR |= SCB_SCR_SEVONPEND_Msk;
/* Start the first task. */
vPortStartFirstTask();
/* Should never get here as the tasks will now be executing! Call the task
exit error function to prevent compiler warnings about a static function
not being called in the case that the application writer overrides this
functionality by defining configTASK_RETURN_ADDRESS. */
prvTaskExitError();
/* Should not get here! */
return 0;
}
/*-----------------------------------------------------------*/
void vPortEndScheduler( void )
{
/* Not implemented in ports where there is nothing to return to.
Artificially force an assert. */
configASSERT( uxCriticalNesting == 1000UL );
}
/*-----------------------------------------------------------*/
void vPortTaskYield( void )
{
#ifdef SOFTDEVICE_PRESENT
if (uxCriticalNesting > 0)
{
uxYieldFlag = 1;
}
else
{
portPendSVSchedule();
}
#else
portPendSVSchedule();
#endif
}
/*-----------------------------------------------------------*/
void vPortEnterCritical( void )
{
portDISABLE_INTERRUPTS();
uxCriticalNesting++;
/* This is not the interrupt safe version of the enter critical function so
assert() if it is being called from an interrupt context. Only API
functions that end in "FromISR" can be used in an interrupt. Only assert if
the critical nesting count is 1 to protect against recursive calls if the
assert function also uses a critical section. */
if ( uxCriticalNesting == 1 )
{
configASSERT( ( SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk ) == 0 );
}
}
/*-----------------------------------------------------------*/
void vPortExitCritical( void )
{
configASSERT( uxCriticalNesting );
uxCriticalNesting--;
if ( uxCriticalNesting == 0 )
{
portENABLE_INTERRUPTS();
#ifdef SOFTDEVICE_PRESENT
if (uxYieldFlag)
{
uxYieldFlag = 0;
portPendSVSchedule();
}
#endif
}
}
/*-----------------------------------------------------------*/
void vPortSafeTaskSwitchContext( void )
{
uint32_t isrstate = portSET_INTERRUPT_MASK_FROM_ISR();
vTaskSwitchContext();
portCLEAR_INTERRUPT_MASK_FROM_ISR(isrstate);
}

233
external/freertos/portable/CMSIS/nrf51/port_cmsis_systick.c vendored Normal file
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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the ARM CM0 port.
* CMSIS compatible layer to menage SysTick ticking source.
*----------------------------------------------------------*/
#if configTICK_SOURCE == FREERTOS_USE_SYSTICK
#error NRF51 does not support SysTick module
/*-----------------------------------------------------------*/
#elif configTICK_SOURCE == FREERTOS_USE_RTC
#if configUSE_16_BIT_TICKS == 1
#error This port does not support 16 bit ticks.
#endif
#include "nrf_rtc.h"
#include "nrf_drv_clock.h"
/*-----------------------------------------------------------*/
void xPortSysTickHandler( void )
{
#if configUSE_TICKLESS_IDLE == 1
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
#endif
BaseType_t switch_req = pdFALSE;
uint32_t isrstate = portSET_INTERRUPT_MASK_FROM_ISR();
uint32_t systick_counter = nrf_rtc_counter_get(portNRF_RTC_REG);
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
if (configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG == 0)
{
/* check FreeRTOSConfig.h file for more details on configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG */
TickType_t diff;
diff = (systick_counter - xTaskGetTickCount()) & portNRF_RTC_MAXTICKS;
/* At most 1 step if scheduler is suspended - the xTaskIncrementTick
* would return the tick state from the moment when suspend function was called. */
if ((diff > 1) && (xTaskGetSchedulerState() != taskSCHEDULER_RUNNING))
{
diff = 1;
}
while ((diff--) > 0)
{
switch_req |= xTaskIncrementTick();
}
}
else
{
switch_req = xTaskIncrementTick();
}
/* Increment the RTOS tick as usual which checks if there is a need for rescheduling */
if ( switch_req != pdFALSE )
{
/* A context switch is required. Context switching is performed in
the PendSV interrupt. Pend the PendSV interrupt. */
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;
__SEV();
}
portCLEAR_INTERRUPT_MASK_FROM_ISR( isrstate );
}
/*
* Setup the RTC time to generate the tick interrupts at the required
* frequency.
*/
void vPortSetupTimerInterrupt( void )
{
/* Request LF clock */
nrf_drv_clock_lfclk_request(NULL);
/* Configure SysTick to interrupt at the requested rate. */
nrf_rtc_prescaler_set(portNRF_RTC_REG, portNRF_RTC_PRESCALER);
nrf_rtc_int_enable (portNRF_RTC_REG, RTC_INTENSET_TICK_Msk);
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_CLEAR);
nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_START);
nrf_rtc_event_enable(portNRF_RTC_REG, RTC_EVTEN_OVRFLW_Msk);
NVIC_SetPriority(portNRF_RTC_IRQn, configKERNEL_INTERRUPT_PRIORITY);
NVIC_EnableIRQ(portNRF_RTC_IRQn);
}
#if configUSE_TICKLESS_IDLE == 1
void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )
{
/*
* Implementation note:
*
* To help debugging the option configUSE_TICKLESS_IDLE_SIMPLE_DEBUG was presented.
* This option would make sure that even if program execution was stopped inside
* this function no more than expected number of ticks would be skipped.
*
* Normally RTC works all the time even if firmware execution was stopped
* and that may lead to skipping too much of ticks.
*/
TickType_t enterTime;
/* Make sure the SysTick reload value does not overflow the counter. */
if ( xExpectedIdleTime > portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP )
{
xExpectedIdleTime = portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP;
}
/* Block all the interrupts globally */
#ifdef SOFTDEVICE_PRESENT
do{
uint8_t dummy = 0;
uint32_t err_code = sd_nvic_critical_region_enter(&dummy);
APP_ERROR_CHECK(err_code);
}while (0);
#else
__disable_irq();
#endif
/* Configure CTC interrupt */
enterTime = nrf_rtc_counter_get(portNRF_RTC_REG);
if ( eTaskConfirmSleepModeStatus() != eAbortSleep )
{
TickType_t xModifiableIdleTime;
TickType_t wakeupTime = (enterTime + xExpectedIdleTime) & portNRF_RTC_MAXTICKS;
/* Stop tick events */
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
/* Configure CTC interrupt */
nrf_rtc_cc_set(portNRF_RTC_REG, 0, wakeupTime);
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
nrf_rtc_int_enable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
__DSB();
/* Sleep until something happens. configPRE_SLEEP_PROCESSING() can
* set its parameter to 0 to indicate that its implementation contains
* its own wait for interrupt or wait for event instruction, and so wfi
* should not be executed again. However, the original expected idle
* time variable must remain unmodified, so a copy is taken. */
xModifiableIdleTime = xExpectedIdleTime;
configPRE_SLEEP_PROCESSING( xModifiableIdleTime );
if ( xModifiableIdleTime > 0 )
{
#ifdef SOFTDEVICE_PRESENT
uint32_t err_code = sd_app_evt_wait();
APP_ERROR_CHECK(err_code);
#else
/* No SD - we would just block interrupts globally.
* BASEPRI cannot be used for that because it would prevent WFE from wake up.
*/
do{
__WFE();
} while (0 == (NVIC->ISPR[0]));
#endif
}
configPOST_SLEEP_PROCESSING( xExpectedIdleTime );
nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);
/* Correct the system ticks */
{
TickType_t diff;
TickType_t exitTime;
nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);
nrf_rtc_int_enable (portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);
exitTime = nrf_rtc_counter_get(portNRF_RTC_REG);
diff = (exitTime - enterTime) & portNRF_RTC_MAXTICKS;
/* It is important that we clear pending here so that our corrections are latest and in sync with tick_interrupt handler */
NVIC_ClearPendingIRQ(portNRF_RTC_IRQn);
if ((configUSE_TICKLESS_IDLE_SIMPLE_DEBUG) && (diff > xExpectedIdleTime))
{
diff = xExpectedIdleTime;
}
if (diff > 0)
{
vTaskStepTick(diff);
}
}
}
#ifdef SOFTDEVICE_PRESENT
uint32_t err_code = sd_nvic_critical_region_exit(0);
APP_ERROR_CHECK(err_code);
#else
__enable_irq();
#endif
}
#endif // configUSE_TICKLESS_IDLE
#else // configTICK_SOURCE
#error Unsupported configTICK_SOURCE value
#endif // configTICK_SOURCE == FREERTOS_USE_SYSTICK

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external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h vendored Normal file
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/*
* FreeRTOS Kernel V10.0.0
* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software. If you wish to use our Amazon
* FreeRTOS name, please do so in a fair use way that does not cause confusion.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
#ifndef PORTMACRO_CMSIS_H
#define PORTMACRO_CMSIS_H
#include "app_util.h"
#include "nordic_common.h"
#ifdef SOFTDEVICE_PRESENT
#include "nrf_soc.h"
#include "softdevice_handler.h"
#include "app_error.h"
#include "app_util_platform.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/*-----------------------------------------------------------
* Port specific definitions.
*
* The settings in this file configure FreeRTOS correctly for the
* given hardware and compiler.
*
* These settings should not be altered.
*-----------------------------------------------------------
*/
/* Type definitions. */
#define portCHAR char
#define portFLOAT float
#define portDOUBLE double
#define portLONG long
#define portSHORT short
#define portSTACK_TYPE uint32_t
#define portBASE_TYPE long
typedef portSTACK_TYPE StackType_t;
typedef long BaseType_t;
typedef uint32_t UBaseType_t; /* to provide compatibility with CMSIS */
#if ( configUSE_16_BIT_TICKS == 1 )
typedef uint16_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffff
#else
typedef uint32_t TickType_t;
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do
not need to be guarded with a critical section. */
#define portTICK_TYPE_IS_ATOMIC 1
#endif
/*-----------------------------------------------------------*/
/* Architecture specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 8
/* RTC register */
#define portNRF_RTC_REG NRF_RTC1
/* IRQn used by the selected RTC */
#define portNRF_RTC_IRQn RTC1_IRQn
/* Constants required to manipulate the NVIC. */
#define portNRF_RTC_PRESCALER ( (uint32_t) (ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1) )
/* Maximum RTC ticks */
#define portNRF_RTC_MAXTICKS ((1U<<24)-1U)
/*-----------------------------------------------------------*/
/* Internal auxiliary macro */
#define portPendSVSchedule() do \
{ \
/* Set a PendSV to request a context switch. */ \
SCB->ICSR = SCB_ICSR_PENDSVSET_Msk; \
__SEV(); \
/* Barriers are normally not required but do ensure the code is completely \
within the specified behaviour for the architecture. */ \
__DSB(); \
__ISB(); \
}while (0)
/* Scheduler utilities. */
#define portYIELD() vPortTaskYield()
#define portEND_SWITCHING_ISR( xSwitchRequired ) if ( (xSwitchRequired) != pdFALSE ) { portPendSVSchedule(); }
#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )
/*-----------------------------------------------------------*/
/* Critical section management. */
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );
extern void vPortTaskYield( void );
#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortDisableISR()
#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortRestoreISR(x)
#define portDISABLE_INTERRUPTS() vPortDisableISR()
#define portENABLE_INTERRUPTS() vPortEnableISR()
#define portENTER_CRITICAL() vPortEnterCritical()
#define portEXIT_CRITICAL() vPortExitCritical()
/*-----------------------------------------------------------*/
/* Task function macros as described on the FreeRTOS.org WEB site. These are
not necessary for to use this port. They are defined so the common demo files
(which build with all the ports) will build. */
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
/*-----------------------------------------------------------*/
/* Tickless idle/low power functionality. */
#ifndef portSUPPRESS_TICKS_AND_SLEEP
extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );
#define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )
#endif
/*-----------------------------------------------------------*/
__STATIC_INLINE void vPortDisableISR(void)
{
#ifdef SOFTDEVICE_PRESENT
uint8_t dummy = 0;
uint32_t err_code = sd_nvic_critical_region_enter(&dummy);
APP_ERROR_CHECK(err_code);
#else
__disable_irq();
#endif
}
__STATIC_INLINE void vPortEnableISR(void)
{
#ifdef SOFTDEVICE_PRESENT
uint32_t err_code = sd_nvic_critical_region_exit(0);
APP_ERROR_CHECK(err_code);
#else
__enable_irq();
#endif
}
/* Union used to remember current ISR state.
* It concentrates information about ISR state and internal SD state into 32 bit variable. */
typedef union
{
uint32_t u32; //< 32 bit access to the variable
uint8_t sd_nested; //< Soft device nested element
bool irq_nested; //< Global was disabled
}portISRState_t;
__STATIC_INLINE uint32_t ulPortDisableISR(void)
{
portISRState_t isrs = {0};
#ifdef SOFTDEVICE_PRESENT
uint32_t err_code = sd_nvic_critical_region_enter(&isrs.sd_nested);
APP_ERROR_CHECK(err_code);
#else
uint32_t primask = __get_PRIMASK();
if(primask == 0)
{
__disable_irq();
}
else
{
isrs.irq_nested = true;
}
#endif
return isrs.u32;
}
__STATIC_INLINE void vPortRestoreISR(uint32_t state)
{
portISRState_t isrs = {state};
#ifdef SOFTDEVICE_PRESENT
uint32_t err_code = sd_nvic_critical_region_exit(isrs.sd_nested);
APP_ERROR_CHECK(err_code);
#else
if(!isrs.irq_nested)
{
__enable_irq();
}
#endif
}
/*-----------------------------------------------------------*/
#ifdef __cplusplus
}
#endif
#endif /* PORTMACRO_CMSIS_H */