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Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h new file mode 100644 index 0000000..dd540b7 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/external/freertos/portable/CMSIS/nrf51/portmacro_cmsis.h @@ -0,0 +1,216 @@ +/* + * 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 unsigned long UBaseType_t; + +#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 */ + |