diff options
Diffstat (limited to 'FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/ParTest.c')
-rw-r--r-- | FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/ParTest.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/ParTest.c b/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/ParTest.c new file mode 100644 index 000000000..255203bb4 --- /dev/null +++ b/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/ParTest.c @@ -0,0 +1,110 @@ +/* + * 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 "partest.h" + +/* + * ATmega328PB Xplained Mini board has a user LED at PB5. + * Everything below is specific for this setup only. + * LED is lit when PB5 is set to a high. + */ +#define partestLED_PORTB_DATA_REG_BIT ( (uint8_t) 0x01 << 5 ) +#define partestLED_PORTB_DIR_REG_BIT ( (uint8_t) 0x01 << 5 ) +#define partestLED_ON partestLED_PORTB_DIR_REG_BIT + +static volatile uint8_t uCurrentLedOutputVal = ~partestLED_ON; + +/*-----------------------------------------------------------*/ + +void vParTestInitialise( void ) +{ + /* Turn on user LED. This function is not thread safe. */ + DDRB |= partestLED_PORTB_DIR_REG_BIT; + PORTB |= partestLED_PORTB_DIR_REG_BIT; + uCurrentLedOutputVal = ~partestLED_ON; +} + +/*-----------------------------------------------------------*/ + +void vParTestSetLED( UBaseType_t uxLED, BaseType_t xValue ) +{ + /* There's only one LED on this board. */ + ( void ) uxLED; + + /* Turn on user LED. + The compound action is guaranteed to be not interrupted by other tasks. */ + vTaskSuspendAll(); + + if ( xValue == 0 ) + { + /* Turn off, only when input value is zero. */ + DDRB |= partestLED_PORTB_DIR_REG_BIT; + PORTB &= ~partestLED_PORTB_DIR_REG_BIT; + uCurrentLedOutputVal = ~partestLED_ON; + } + else + { + /* Turn on, when input value is none zero. */ + DDRB |= partestLED_PORTB_DIR_REG_BIT; + PORTB |= partestLED_PORTB_DIR_REG_BIT; + uCurrentLedOutputVal = partestLED_ON; + } + + xTaskResumeAll(); +} + +/*-----------------------------------------------------------*/ + +void vParTestToggleLED( UBaseType_t uxLED ) +{ + /* There's only one LED on this board. */ + ( void ) uxLED; + + /* Toggle user LED. + The compound action is guaranteed to be not interrupted by other tasks. */ + vTaskSuspendAll(); + + if ( uCurrentLedOutputVal == partestLED_ON ) + { + /* Turn off. */ + DDRB |= partestLED_PORTB_DIR_REG_BIT; + PORTB &= ~partestLED_PORTB_DIR_REG_BIT; + uCurrentLedOutputVal = ~partestLED_ON; + } + else + { + /* Turn on. */ + DDRB |= partestLED_PORTB_DIR_REG_BIT; + PORTB |= partestLED_PORTB_DIR_REG_BIT; + uCurrentLedOutputVal = partestLED_ON; + } + + xTaskResumeAll(); +} + |