/* * 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 ) ); }