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103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
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* FreeRTOS Kernel V10.1.0
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* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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/* Library includes. */
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#include "GPIO.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the LED's - which are
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* connected to the second nibble of GPIO port 1.
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*-----------------------------------------------------------*/
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#define partstLED_3 0x0080
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#define partstLED_2 0x0040
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#define partstLED_1 0x0020
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#define partstLED_0 0x0010
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#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
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#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
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#define partstFIRST_LED_BIT 4
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/* This demo application uses files that are common to all port demo
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applications. These files assume 6 LED's are available, whereas I have
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only 5 (including the LED built onto the development board). To prevent
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two tasks trying to use the same LED a bit of remapping is performed.
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The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
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has no effect, LED 7 is mapped to LED3. The LED usage is described in
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the port documentation available from the FreeRTOS.org WEB site. */
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#define partstCOM_TEST_LED 7
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#define partstRX_CHAR_LED 3
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Configure the bits used to flash LED's on port 1 as output. */
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GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD);
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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if( uxLED == partstCOM_TEST_LED )
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{
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/* Remap as described above. */
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uxLED = partstRX_CHAR_LED;
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}
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/* Adjust the LED value to map to the port pins actually being used,
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then write the required value to the port. */
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uxLED += partstFIRST_LED_BIT;
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GPIO_BitWrite( GPIO1, uxLED, !xValue );
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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if( uxLED == partstCOM_TEST_LED )
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{
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/* Remap as described above. */
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uxLED = partstRX_CHAR_LED;
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}
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/* Adjust the LED value to map to the port pins actually being used,
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then write the opposite value to the current state to the port pin. */
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uxLED += partstFIRST_LED_BIT;
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GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) );
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}
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