/*\r
- FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.\r
- \r
-\r
- ***************************************************************************\r
- * *\r
- * FreeRTOS tutorial books are available in pdf and paperback. *\r
- * Complete, revised, and edited pdf reference manuals are also *\r
- * available. *\r
- * *\r
- * Purchasing FreeRTOS documentation will not only help you, by *\r
- * ensuring you get running as quickly as possible and with an *\r
- * in-depth knowledge of how to use FreeRTOS, it will also help *\r
- * the FreeRTOS project to continue with its mission of providing *\r
- * professional grade, cross platform, de facto standard solutions *\r
- * for microcontrollers - completely free of charge! *\r
- * *\r
- * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
- * *\r
- * Thank you for using FreeRTOS, and thank you for your support! *\r
- * *\r
- ***************************************************************************\r
-\r
-\r
- This file is part of the FreeRTOS distribution.\r
-\r
- FreeRTOS is free software; you can redistribute it and/or modify it under\r
- the terms of the GNU General Public License (version 2) as published by the\r
- Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
- >>>NOTE<<< The modification to the GPL is included to allow you to\r
- distribute a combined work that includes FreeRTOS without being obliged to\r
- provide the source code for proprietary components outside of the FreeRTOS\r
- kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
- more details. You should have received a copy of the GNU General Public\r
- License and the FreeRTOS license exception along with FreeRTOS; if not it\r
- can be viewed here: http://www.freertos.org/a00114.html and also obtained\r
- by writing to Richard Barry, contact details for whom are available on the\r
- FreeRTOS WEB site.\r
-\r
- 1 tab == 4 spaces!\r
- \r
- ***************************************************************************\r
- * *\r
- * Having a problem? Start by reading the FAQ "My application does *\r
- * not run, what could be wrong? *\r
- * *\r
- * http://www.FreeRTOS.org/FAQHelp.html *\r
- * *\r
- ***************************************************************************\r
-\r
- \r
- http://www.FreeRTOS.org - Documentation, training, latest information, \r
- license and contact details.\r
- \r
- http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,\r
- including FreeRTOS+Trace - an indispensable productivity tool.\r
-\r
- Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell \r
- the code with commercial support, indemnification, and middleware, under \r
- the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also\r
- provide a safety engineered and independently SIL3 certified version under \r
- the SafeRTOS brand: http://www.SafeRTOS.com.\r
-*/\r
+ * FreeRTOS Kernel V10.0.1\r
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
+ *\r
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+ * this software and associated documentation files (the "Software"), to deal in\r
+ * the Software without restriction, including without limitation the rights to\r
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
+ * the Software, and to permit persons to whom the Software is furnished to do so,\r
+ * subject to the following conditions:\r
+ *\r
+ * The above copyright notice and this permission notice shall be included in all\r
+ * copies or substantial portions of the Software.\r
+ *\r
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
+ *\r
+ * http://www.FreeRTOS.org\r
+ * http://aws.amazon.com/freertos\r
+ *\r
+ * 1 tab == 4 spaces!\r
+ */\r
\r
/* Kernel includes. */\r
#include "FreeRTOS.h"\r
/*-----------------------------------------------------------*/\r
\r
/* The semaphore used to wake the uIP task when data arrives. */\r
-xSemaphoreHandle xEMACSemaphore = NULL;\r
+SemaphoreHandle_t xEMACSemaphore = NULL;\r
\r
/* The semaphore used to wake the interrupt handler task. The peripheral\r
is processed at the task level to prevent the need to read the entire FIFO from\r
within the ISR itself. */\r
-xSemaphoreHandle xMACInterruptSemaphore = NULL;\r
+SemaphoreHandle_t xMACInterruptSemaphore = NULL;\r
\r
/* The buffer used by the uIP stack. In this case the pointer is used to\r
point to one of the Rx buffers. */\r
-unsigned portCHAR *uip_buf;\r
+unsigned char *uip_buf;\r
\r
/* Buffers into which Rx data is placed. */\r
static union\r
{\r
- unsigned portLONG ulJustForAlignment;\r
- unsigned portCHAR ucRxBuffers[ emacNUM_RX_BUFFERS ][ UIP_BUFSIZE + ( 4 * emacFRAM_SIZE_BYTES ) ];\r
+ unsigned long ulJustForAlignment;\r
+ unsigned char ucRxBuffers[ emacNUM_RX_BUFFERS ][ UIP_BUFSIZE + ( 4 * emacFRAM_SIZE_BYTES ) ];\r
} uxRxBuffers;\r
\r
/* The length of the data within each of the Rx buffers. */\r
-static unsigned portLONG ulRxLength[ emacNUM_RX_BUFFERS ];\r
+static unsigned long ulRxLength[ emacNUM_RX_BUFFERS ];\r
\r
/* Used to keep a track of the number of bytes to transmit. */\r
-static unsigned portLONG ulNextTxSpace;\r
+static unsigned long ulNextTxSpace;\r
\r
/*-----------------------------------------------------------*/\r
\r
{\r
ulRxLength[ ulTemp ] = 0;\r
}\r
- \r
+\r
/* Create the queue and task used to defer the MAC processing to the\r
task level. */\r
vSemaphoreCreateBinary( xMACInterruptSemaphore );\r
xSemaphoreTake( xMACInterruptSemaphore, 0 );\r
- xReturn = xTaskCreate( vMACHandleTask, ( signed portCHAR * ) "MAC", configMINIMAL_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL );\r
+ xReturn = xTaskCreate( vMACHandleTask, "MAC", configMINIMAL_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL );\r
vTaskDelay( macNEGOTIATE_DELAY );\r
- \r
+\r
/* We are only interested in Rx interrupts. */\r
IntPrioritySet( INT_ETH, configKERNEL_INTERRUPT_PRIORITY );\r
IntEnable( INT_ETH );\r
{\r
/* Leave room for the size at the start of the buffer. */\r
uip_buf = &( uxRxBuffers.ucRxBuffers[ ulNextRxBuffer ][ 2 ] );\r
- \r
+\r
ulRxLength[ ulNextRxBuffer ] = 0;\r
- \r
+\r
ulNextRxBuffer++;\r
if( ulNextRxBuffer >= emacNUM_RX_BUFFERS )\r
{\r
}\r
/*-----------------------------------------------------------*/\r
\r
-void vIncrementTxLength( unsigned portLONG ulLength )\r
+void vIncrementTxLength( unsigned long ulLength )\r
{\r
ulNextTxSpace += ulLength;\r
}\r
void vSendBufferToMAC( void )\r
{\r
unsigned long *pulSource;\r
-unsigned portSHORT * pus;\r
-unsigned portLONG ulNextWord;\r
+unsigned short * pus;\r
+unsigned long ulNextWord;\r
\r
/* Locate the data to be send. */\r
- pus = ( unsigned portSHORT * ) uip_buf;\r
+ pus = ( unsigned short * ) uip_buf;\r
\r
/* Add in the size of the data. */\r
pus--;\r
{\r
vTaskDelay( macWAIT_SEND_TIME );\r
}\r
- \r
- pulSource = ( unsigned portLONG * ) pus; \r
- \r
- for( ulNextWord = 0; ulNextWord < ulNextTxSpace; ulNextWord += sizeof( unsigned portLONG ) )\r
+\r
+ pulSource = ( unsigned long * ) pus;\r
+\r
+ for( ulNextWord = 0; ulNextWord < ulNextTxSpace; ulNextWord += sizeof( unsigned long ) )\r
{\r
HWREG(ETH_BASE + MAC_O_DATA) = *pulSource;\r
pulSource++;\r
void vEMAC_ISR( void )\r
{\r
portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
-unsigned portLONG ulTemp;\r
+unsigned long ulTemp;\r
\r
/* Clear the interrupt. */\r
ulTemp = EthernetIntStatus( ETH_BASE, pdFALSE );\r
EthernetIntClear( ETH_BASE, ulTemp );\r
- \r
+\r
/* Was it an Rx interrupt? */\r
if( ulTemp & ETH_INT_RX )\r
{\r
xSemaphoreGiveFromISR( xMACInterruptSemaphore, &xHigherPriorityTaskWoken );\r
EthernetIntDisable( ETH_BASE, ETH_INT_RX );\r
}\r
- \r
+\r
/* Switch to the uIP task. */\r
portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );\r
}\r
void vMACHandleTask( void *pvParameters )\r
{\r
unsigned long i, ulInt;\r
-unsigned portLONG ulLength;\r
+unsigned long ulLength;\r
unsigned long *pulBuffer;\r
-static unsigned portLONG ulNextRxBuffer = 0;\r
+static unsigned long ulNextRxBuffer = 0;\r
\r
for( ;; )\r
{\r
/* Wait for something to do. */\r
xSemaphoreTake( xMACInterruptSemaphore, portMAX_DELAY );\r
- \r
+\r
while( ( ulInt = ( EthernetIntStatus( ETH_BASE, pdFALSE ) & ETH_INT_RX ) ) != 0 )\r
- { \r
+ {\r
ulLength = HWREG( ETH_BASE + MAC_O_DATA );\r
- \r
+\r
/* Leave room at the start of the buffer for the size. */\r
- pulBuffer = ( unsigned long * ) &( uxRxBuffers.ucRxBuffers[ ulNextRxBuffer ][ 2 ] ); \r
+ pulBuffer = ( unsigned long * ) &( uxRxBuffers.ucRxBuffers[ ulNextRxBuffer ][ 2 ] );\r
*pulBuffer = ( ulLength >> 16 );\r
\r
- /* Get the size of the data. */ \r
- pulBuffer = ( unsigned long * ) &( uxRxBuffers.ucRxBuffers[ ulNextRxBuffer ][ 4 ] ); \r
+ /* Get the size of the data. */\r
+ pulBuffer = ( unsigned long * ) &( uxRxBuffers.ucRxBuffers[ ulNextRxBuffer ][ 4 ] );\r
ulLength &= 0xFFFF;\r
- \r
+\r
if( ulLength > 4 )\r
{\r
ulLength -= 4;\r
- \r
+\r
if( ulLength >= UIP_BUFSIZE )\r
{\r
/* The data won't fit in our buffer. Ensure we don't\r
}\r
\r
/* Read out the data into our buffer. */\r
- for( i = 0; i < ulLength; i += sizeof( unsigned portLONG ) )\r
+ for( i = 0; i < ulLength; i += sizeof( unsigned long ) )\r
{\r
*pulBuffer = HWREG( ETH_BASE + MAC_O_DATA );\r
pulBuffer++;\r
}\r
- \r
+\r
/* Store the length of the data into the separate array. */\r
ulRxLength[ ulNextRxBuffer ] = ulLength;\r
- \r
+\r
/* Use the next buffer the next time through. */\r
ulNextRxBuffer++;\r
if( ulNextRxBuffer >= emacNUM_RX_BUFFERS )\r
{\r
ulNextRxBuffer = 0;\r
}\r
- \r
+\r
/* Ensure the uIP task is not blocked as data has arrived. */\r
xSemaphoreGive( xEMACSemaphore );\r
}\r
}\r
- \r
+\r
EthernetIntEnable( ETH_BASE, ETH_INT_RX );\r
- \r
+\r
( void ) ulInt;\r
}\r
}\r
projects / freertos / blobdiff