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/*
* FreeRTOS Kernel V10.4.1
* 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!
*/
/*
BASIC SERIAL PORT DRIVER.
This file just maps generic functions used by FreeRTOS example code to the
simple UART drivers provided by Altera.
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"
/* Demo application includes. */
#include "serial.h"
/* Altera library includes. */
#include "uart0_support.h"
/*-----------------------------------------------------------*/
/*
* See the serial2.h header file.
*/
xComPortHandle xSerialPortInitMinimal( uint32_t ulWantedBaud, UBaseType_t uxQueueLength )
{
/* Just call into the Altera support function, which has its own parameters,
so the parameters passed in here are not used. */
( void ) ulWantedBaud;
( void ) uxQueueLength;
uart0_init();
return ( xComPortHandle ) 0;
}
/*-----------------------------------------------------------*/
BaseType_t xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, TickType_t xBlockTime )
{
BaseType_t xReturn;
/* Just call into the Altera support function, which has its own parameters,
so the parameters passed in here are not used. */
( void ) pxPort;
( void ) xBlockTime;
*pcRxedChar = uart0_getc();
if( *pcRxedChar != -1 )
{
xReturn = pdPASS;
}
else
{
xReturn = pdFAIL;
}
return xReturn;
}
/*-----------------------------------------------------------*/
void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength )
{
/* Just call into the Altera support function, which has its own parameters,
so the parameters passed in here are not used. */
( void ) pxPort;
uart0_print( ( char * ) pcString );
}
/*-----------------------------------------------------------*/
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, TickType_t xBlockTime )
{
char cOutBytes[ 2 ];
/* Just call into the Altera support function, which has its own parameters,
so the parameters passed in here are not used. */
( void ) pxPort;
cOutBytes[ 0 ] = cOutChar;
cOutBytes[ 1 ] = 0x00;
uart0_print( cOutBytes );
return pdPASS;
}
/*-----------------------------------------------------------*/
void vSerialClose(xComPortHandle xPort)
{
/* Not supported as not required by the demo application. */
( void ) xPort;
}
/*-----------------------------------------------------------*/
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