portable/oWatcom/16BitDOS/PC/portmacro.h

/*
 * FreeRTOS Kernel V10.3.1
 * Copyright (C) 2020 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.
 *
 * 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_H
#define PORTMACRO_H

#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		int
#define portSTACK_TYPE	uint16_t
#define portBASE_TYPE	short

typedef portSTACK_TYPE StackType_t;
typedef short BaseType_t;
typedef unsigned short 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
#endif
/*-----------------------------------------------------------*/

/* Critical section definitions.  portENTER_CRITICAL() must be defined as a
macro for portable.h to work properly. */
void portLOCAL_ENTER_CRITICAL( void );
#pragma aux portLOCAL_ENTER_CRITICAL = 	"pushf" \
										"cli";
#define portENTER_CRITICAL() portLOCAL_ENTER_CRITICAL()

void portEXIT_CRITICAL( void );
#pragma aux portEXIT_CRITICAL	=		"popf";

void portDISABLE_INTERRUPTS( void );
#pragma aux portDISABLE_INTERRUPTS =	"cli";

void portENABLE_INTERRUPTS( void );
#pragma aux portENABLE_INTERRUPTS =		"sti";
/*-----------------------------------------------------------*/

/* Architecture specifics. */
#define portSTACK_GROWTH		( -1 )
#define portSWITCH_INT_NUMBER 	0x80
#define portYIELD()				__asm{ int portSWITCH_INT_NUMBER }
#define portDOS_TICK_RATE		( 18.20648 )
#define portTICK_PERIOD_MS        ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
#define portTICKS_PER_DOS_TICK	( ( uint16_t ) ( ( ( portDOUBLE ) configTICK_RATE_HZ / portDOS_TICK_RATE ) + 0.5 ) )
#define portINITIAL_SW			( ( portSTACK_TYPE ) 0x0202 )	/* Start the tasks with interrupts enabled. */
#define portBYTE_ALIGNMENT		( 2 )
/*-----------------------------------------------------------*/

/* Compiler specifics. */
#define portINPUT_BYTE( xAddr )				inp( xAddr )
#define portOUTPUT_BYTE( xAddr, ucValue )	outp( xAddr, ucValue )
#define portNOP() __asm{ nop }
/*-----------------------------------------------------------*/

/* Task function macros as described on the FreeRTOS.org WEB site. */
#define portTASK_FUNCTION_PROTO( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )
#define portTASK_FUNCTION( vTaskFunction, pvParameters ) void vTaskFunction( void *pvParameters )

#ifdef __cplusplus
}
#endif


#endif /* PORTMACRO_H */