/* | |
* FreeRTOS Kernel V10.0.1 | |
* Copyright (C) 2017 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! | |
*/ | |
/* Scheduler include files. */ | |
#include "FreeRTOS.h" | |
#include "portable.h" | |
/* Demo application include files. */ | |
#include "partest.h" | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
* | |
* This is for the demo application which uses port 2 for LED outputs. | |
*-----------------------------------------------------------*/ | |
/* Value for the LED to be off. */ | |
#define partstLED_OUTPUTS ( ( unsigned char ) 0xff ) | |
/* P2.0 is not used as an output so there are only 7 LEDs on port 2. */ | |
#define partstMAX_LEDs ( 7 ) | |
#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0 ) | |
/* Maps the LED outputs used by the standard demo application files to | |
convenient outputs for the EDK2329. Mainly this insures that the LED | |
used by the Check task is one of the on board LEDs so the demo can be | |
executed on an EDK without any modification. */ | |
static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED ); | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* LED's are connected to port 2. P2.1 and P2.2 are built onto the EDK. | |
P2.3 to P2.7 are soldered onto the expansion port. */ | |
P2DDR = partstLED_OUTPUTS; | |
P2DR = partstALL_OUTPUTS_OFF; | |
} | |
/*-----------------------------------------------------------*/ | |
/* | |
* Described at the top of the file. | |
*/ | |
static inline unsigned char prvMapLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
switch( uxLED ) | |
{ | |
case 0 : return ( unsigned char ) 2; | |
case 1 : return ( unsigned char ) 3; | |
case 2 : return ( unsigned char ) 4; | |
case 3 : return ( unsigned char ) 5; | |
case 4 : return ( unsigned char ) 6; | |
case 5 : return ( unsigned char ) 0; | |
case 6 : return ( unsigned char ) 1; | |
default : return 0; | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
/* | |
* Turn an LED on or off. | |
*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
unsigned char ucLED; | |
if( uxLED < partstMAX_LEDs ) | |
{ | |
ucLED = prvMapLED( uxLED ); | |
/* Set a bit in the required LED position. LED 0 is bit 1. */ | |
ucLED = ( unsigned char ) 1 << ( ucLED + 1 ); | |
if( xValue ) | |
{ | |
portENTER_CRITICAL(); | |
P2DR |= ucLED; | |
portEXIT_CRITICAL(); | |
} | |
else | |
{ | |
portENTER_CRITICAL(); | |
P2DR &= ~ucLED; | |
portEXIT_CRITICAL(); | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned char ucLED; | |
if( uxLED < partstMAX_LEDs ) | |
{ | |
ucLED = prvMapLED( uxLED ); | |
/* Set a bit in the required LED position. LED 0 is bit 1. */ | |
ucLED = ( unsigned char ) 1 << ( ucLED + 1 ); | |
portENTER_CRITICAL(); | |
{ | |
if( P2DR & ucLED ) | |
{ | |
P2DR &= ~ucLED; | |
} | |
else | |
{ | |
P2DR |= ucLED; | |
} | |
} | |
portEXIT_CRITICAL(); | |
} | |
} | |