/* | |
FreeRTOS V7.0.2 - Copyright (C) 2011 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and thank you for your support! * | |
* * | |
*************************************************************************** | |
This file is part of the FreeRTOS distribution. | |
FreeRTOS is free software; you can redistribute it and/or modify it under | |
the terms of the GNU General Public License (version 2) as published by the | |
Free Software Foundation AND MODIFIED BY the FreeRTOS exception. | |
>>>NOTE<<< The modification to the GPL is included to allow you to | |
distribute a combined work that includes FreeRTOS without being obliged to | |
provide the source code for proprietary components outside of the FreeRTOS | |
kernel. FreeRTOS is distributed in the hope that it will be useful, but | |
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
more details. You should have received a copy of the GNU General Public | |
License and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
http://www.FreeRTOS.org - Documentation, latest information, license and | |
contact details. | |
http://www.SafeRTOS.com - A version that is certified for use in safety | |
critical systems. | |
http://www.OpenRTOS.com - Commercial support, development, porting, | |
licensing and training services. | |
*/ | |
#include "FreeRTOS.h" | |
#include "Task.h" | |
#include "gio.h" | |
#include "het.h" | |
/* | |
* Task that flashes the LEDS on the USB stick. | |
* | |
* This task is also run in Thumb mode to test the ARM/THUMB context switch | |
*/ | |
#pragma TASK(vLedTask) | |
#pragma CODE_STATE(vLedTask, 16) | |
void vLedTask(void *pvParameters) | |
{ | |
unsigned led = 0; | |
unsigned count = 0; | |
unsigned colour = 0; | |
/* Initalise the IO ports that drive the LEDs */ | |
gioSetDirection(hetPORT, 0xFFFFFFFF); | |
/* switch all leds off */ | |
gioSetPort(hetPORT, 0x08110034); | |
for(;;) | |
{ | |
/* toggle on/off */ | |
led ^= 1; | |
/* switch TOP row */ | |
gioSetBit(hetPORT, 25, led); | |
gioSetBit(hetPORT, 18, led); | |
gioSetBit(hetPORT, 29, led); | |
/* switch BOTTOM row */ | |
gioSetBit(hetPORT, 17, led ^ 1); | |
gioSetBit(hetPORT, 31, led ^ 1); | |
gioSetBit(hetPORT, 0, led ^ 1); | |
vTaskDelay(500); | |
if (++count > 5) | |
{ | |
count = 0; | |
/* both leds to off */ | |
gioSetBit(hetPORT, 2, 1); gioSetBit(hetPORT, 5, 1); gioSetBit(hetPORT, 20, 1); | |
gioSetBit(hetPORT, 4, 1); gioSetBit(hetPORT, 27, 1); gioSetBit(hetPORT, 16, 1); | |
switch(colour) | |
{ | |
case 0: | |
gioSetBit(hetPORT, 2, 0); /* red */ | |
gioSetBit(hetPORT, 4, 0); | |
colour++; | |
continue; | |
case 1: | |
gioSetBit(hetPORT, 5, 0); /* blue */ | |
gioSetBit(hetPORT, 27, 0); | |
colour++; | |
continue; | |
case 2: | |
gioSetBit(hetPORT, 20, 0); /* green */ | |
gioSetBit(hetPORT, 16, 0); | |
colour++; | |
continue; | |
} | |
colour = 0; | |
} | |
} | |
} | |