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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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7d09b88e5a
The line 'Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.'
used to have two spaces between the first and second sentences.
This would cause the header check to fail due to the copyright regex located
ab999f9624/.github/scripts/core_checker.py (L396)
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
/*
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* FreeRTOS V202212.00
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* Copyright (C) 2020 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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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/*-----------------------------------------------------------
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* Components that can be compiled to either ARM or THUMB mode are
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* contained in serial.c The ISR routines, which can only be compiled
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* to ARM mode, are contained in this file.
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*----------------------------------------------------------*/
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/* Library includes. */
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#include "75x_uart.h"
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "queue.h"
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static QueueHandle_t xRxedChars;
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static QueueHandle_t xCharsForTx;
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static portBASE_TYPE volatile *pxQueueEmpty;
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void vConfigureQueues( QueueHandle_t xQForRx, QueueHandle_t xQForTx, portBASE_TYPE volatile *pxEmptyFlag )
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{
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xRxedChars = xQForRx;
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xCharsForTx = xQForTx;
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pxQueueEmpty = pxEmptyFlag;
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}
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/*-----------------------------------------------------------*/
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void vSerialISR( void )
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{
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signed char cChar;
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portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
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do
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{
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if( UART0->MIS & UART_IT_Transmit )
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{
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/* The interrupt was caused by the THR becoming empty. Are there any
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more characters to transmit? */
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if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xHigherPriorityTaskWoken ) == pdTRUE )
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{
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/* A character was retrieved from the queue so can be sent to the
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THR now. */
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UART0->DR = cChar;
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}
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else
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{
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*pxQueueEmpty = pdTRUE;
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}
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UART_ClearITPendingBit( UART0, UART_IT_Transmit );
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}
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if( UART0->MIS & UART_IT_Receive )
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{
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/* The interrupt was caused by a character being received. Grab the
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character from the RHR and place it in the queue of received
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characters. */
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cChar = UART0->DR;
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xQueueSendFromISR( xRxedChars, &cChar, &xHigherPriorityTaskWoken );
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UART_ClearITPendingBit( UART0, UART_IT_Receive );
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}
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} while( UART0->MIS );
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/* If a task was woken by either a character being received or a character
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being transmitted then we may need to switch to another task. */
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portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
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}
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