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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 */
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