/* | |
* 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! | |
*/ | |
/* Library includes. */ | |
#include "GPIO.h" | |
/* Scheduler includes. */ | |
#include "FreeRTOS.h" | |
/* Demo application includes. */ | |
#include "partest.h" | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines for the LED's - which are | |
* connected to the second nibble of GPIO port 1. | |
*-----------------------------------------------------------*/ | |
#define partstLED_3 0x0080 | |
#define partstLED_2 0x0040 | |
#define partstLED_1 0x0020 | |
#define partstLED_0 0x0010 | |
#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */ | |
#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD ) | |
#define partstFIRST_LED_BIT 4 | |
/* This demo application uses files that are common to all port demo | |
applications. These files assume 6 LED's are available, whereas I have | |
only 5 (including the LED built onto the development board). To prevent | |
two tasks trying to use the same LED a bit of remapping is performed. | |
The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and | |
has no effect, LED 7 is mapped to LED3. The LED usage is described in | |
the port documentation available from the FreeRTOS.org WEB site. */ | |
#define partstCOM_TEST_LED 7 | |
#define partstRX_CHAR_LED 3 | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* Configure the bits used to flash LED's on port 1 as output. */ | |
GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
if( uxLED == partstCOM_TEST_LED ) | |
{ | |
/* Remap as described above. */ | |
uxLED = partstRX_CHAR_LED; | |
} | |
/* Adjust the LED value to map to the port pins actually being used, | |
then write the required value to the port. */ | |
uxLED += partstFIRST_LED_BIT; | |
GPIO_BitWrite( GPIO1, uxLED, !xValue ); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
if( uxLED == partstCOM_TEST_LED ) | |
{ | |
/* Remap as described above. */ | |
uxLED = partstRX_CHAR_LED; | |
} | |
/* Adjust the LED value to map to the port pins actually being used, | |
then write the opposite value to the current state to the port pin. */ | |
uxLED += partstFIRST_LED_BIT; | |
GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) ); | |
} | |