/* | |
* FreeRTOS Kernel V10.2.0 | |
* Copyright (C) 2019 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; | |
} | |
} | |
} | |