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/*
* FreeRTOS Kernel V10.3.0
* 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!
*/
#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;
}
}
}
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