| /* |
| * FreeRTOS Kernel V10.4.3 |
| * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| * Copyright (c) 2021 Raspberry Pi (Trading) Ltd. |
| * |
| * SPDX-License-Identifier: MIT AND BSD-3-Clause |
| * |
| * 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. |
| * |
| * 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. |
| * |
| * https://www.FreeRTOS.org |
| * https://github.com/FreeRTOS |
| * |
| */ |
| |
| #ifndef PORTMACRO_H |
| #define PORTMACRO_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include "pico.h" |
| /*----------------------------------------------------------- |
| * 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 int32_t BaseType_t; |
| typedef uint32_t UBaseType_t; |
| |
| #if ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_16_BITS ) |
| typedef uint16_t TickType_t; |
| #define portMAX_DELAY ( TickType_t ) 0xffff |
| #elif ( configTICK_TYPE_WIDTH_IN_BITS == TICK_TYPE_WIDTH_32_BITS ) |
| 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 |
| #else |
| #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width. |
| #endif |
| /*-----------------------------------------------------------*/ |
| |
| /* Architecture specifics. */ |
| #define portSTACK_GROWTH ( -1 ) |
| #define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ ) |
| #define portBYTE_ALIGNMENT 8 |
| #define portDONT_DISCARD __attribute__( ( used ) ) |
| #define portNORETURN __attribute__( ( noreturn ) ) |
| /* We have to use PICO_DIVIDER_DISABLE_INTERRUPTS as the source of truth rathern than our config, |
| * as our FreeRTOSConfig.h header cannot be included by ASM code - which is what this affects in the SDK */ |
| #define portUSE_DIVIDER_SAVE_RESTORE !PICO_DIVIDER_DISABLE_INTERRUPTS |
| #if portUSE_DIVIDER_SAVE_RESTORE |
| #define portSTACK_LIMIT_PADDING 4 |
| #endif |
| |
| /*-----------------------------------------------------------*/ |
| |
| |
| /* Scheduler utilities. */ |
| extern void vPortYield( void ); |
| #define portNVIC_INT_CTRL_REG ( *( ( volatile uint32_t * ) 0xe000ed04 ) ) |
| #define portNVIC_PENDSVSET_BIT ( 1UL << 28UL ) |
| #define portYIELD() vPortYield() |
| #define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) portNVIC_INT_CTRL_REG = portNVIC_PENDSVSET_BIT |
| #define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x ) |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Exception handlers */ |
| #if (configUSE_DYNAMIC_EXCEPTION_HANDLERS == 0) |
| /* We only need to override the SDK's weak functions if we want to replace them at compile time */ |
| #define vPortSVCHandler isr_svcall |
| #define xPortPendSVHandler isr_pendsv |
| #define xPortSysTickHandler isr_systick |
| #endif |
| |
| #define portCHECK_IF_IN_ISR() ({ \ |
| uint32_t ulIPSR; \ |
| __asm volatile ("mrs %0, IPSR" : "=r" (ulIPSR)::); \ |
| ((uint8_t)ulIPSR)>0;}) |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* Critical section management. */ |
| extern uint32_t ulSetInterruptMaskFromISR( void ) __attribute__( ( naked ) ); |
| extern void vClearInterruptMaskFromISR( uint32_t ulMask ) __attribute__( ( naked ) ); |
| #define portSET_INTERRUPT_MASK_FROM_ISR() ulSetInterruptMaskFromISR() |
| #define portCLEAR_INTERRUPT_MASK_FROM_ISR( x ) vClearInterruptMaskFromISR( x ) |
| |
| #define portDISABLE_INTERRUPTS() __asm volatile ( " cpsid i " ::: "memory" ) |
| |
| extern void vPortEnableInterrupts(); |
| #define portENABLE_INTERRUPTS() vPortEnableInterrupts() |
| |
| extern void vPortEnterCritical( void ); |
| extern void vPortExitCritical( void ); |
| #define portENTER_CRITICAL() vPortEnterCritical() |
| #define portEXIT_CRITICAL() vPortExitCritical() |
| |
| /*-----------------------------------------------------------*/ |
| |
| /* 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 |
| /*-----------------------------------------------------------*/ |
| |
| /* Task function macros as described on the FreeRTOS.org WEB site. */ |
| #define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters ) |
| #define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters ) |
| |
| #define portNOP() |
| |
| #define portMEMORY_BARRIER() __asm volatile ( "" ::: "memory" ) |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* PORTMACRO_H */ |