portable/IAR/ATMega323/portmacro.h

/*
 * FreeRTOS Kernel <DEVELOPMENT BRANCH>
 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * SPDX-License-Identifier: MIT
 *
 * 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
 *
 */

/*
Changes from V1.2.3

    + portCPU_CLOSK_HZ definition changed to 8MHz base 10, previously it
      base 16.
*/

#ifndef PORTMACRO_H
#define PORTMACRO_H

/* *INDENT-OFF* */
#ifdef __cplusplus
    extern "C" {
#endif
/* *INDENT-ON* */

/*-----------------------------------------------------------
 * 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       int
#define portSTACK_TYPE  uint8_t
#define portBASE_TYPE   char
#define portPOINTER_SIZE_TYPE uint16_t

typedef portSTACK_TYPE StackType_t;
typedef signed char BaseType_t;
typedef unsigned char 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 )
#else
    #error configTICK_TYPE_WIDTH_IN_BITS set to unsupported tick type width.
#endif

/*-----------------------------------------------------------*/

/* Critical section management. */
extern void vPortEnterCritical( void );
extern void vPortExitCritical( void );
#define portENTER_CRITICAL()    vPortEnterCritical()
#define portEXIT_CRITICAL()     vPortExitCritical()

#define portDISABLE_INTERRUPTS()    asm( "cli" )
#define portENABLE_INTERRUPTS()     asm( "sei" )
/*-----------------------------------------------------------*/

/* Architecture specifics. */
#define portSTACK_GROWTH            ( -1 )
#define portTICK_PERIOD_MS          ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT          1
#define portNOP()                   asm( "nop" )
/*-----------------------------------------------------------*/

/* Kernel utilities. */
void vPortYield( void );
#define portYIELD() vPortYield()

#ifdef IAR_MEGA_AVR
    #define outb( PORT, VALUE ) PORT = VALUE
#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 )

/* *INDENT-OFF* */
#ifdef __cplusplus
    }
#endif
/* *INDENT-ON* */

#endif /* PORTMACRO_H */