/* | |
* FreeRTOS Kernel V10.1.1 | |
* Copyright (C) 2018 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; | |
} | |
/*-----------------------------------------------------------*/ | |