/* | |
* FreeRTOS Kernel V10.0.0 | |
* Copyright (C) 2017 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. If you wish to use our Amazon | |
* FreeRTOS name, please do so in a fair use way that does not cause confusion. | |
* | |
* 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! | |
*/ | |
/* | |
Changes from V3.2.4 | |
+ Modified the default MAC address as the one used previously was not liked | |
by some routers. | |
*/ | |
#ifndef SAM_7_EMAC_H | |
#define SAM_7_EMAC_H | |
/* MAC address definition. The MAC address must be unique on the network. */ | |
#define emacETHADDR0 0 | |
#define emacETHADDR1 0xbd | |
#define emacETHADDR2 0x33 | |
#define emacETHADDR3 0x06 | |
#define emacETHADDR4 0x68 | |
#define emacETHADDR5 0x22 | |
/* The IP address being used. */ | |
#define emacIPADDR0 172 | |
#define emacIPADDR1 25 | |
#define emacIPADDR2 218 | |
#define emacIPADDR3 205 | |
/* The gateway address being used. */ | |
#define emacGATEWAY_ADDR0 172 | |
#define emacGATEWAY_ADDR1 25 | |
#define emacGATEWAY_ADDR2 218 | |
#define emacGATEWAY_ADDR3 3 | |
/* The network mask being used. */ | |
#define emacNET_MASK0 255 | |
#define emacNET_MASK1 255 | |
#define emacNET_MASK2 0 | |
#define emacNET_MASK3 0 | |
/* | |
* Initialise the EMAC driver. If successful a semaphore is returned that | |
* is used by the EMAC ISR to indicate that Rx packets have been received. | |
* If the initialisation fails then NULL is returned. | |
*/ | |
SemaphoreHandle_t xEMACInit( void ); | |
/* | |
* Send ulLength bytes from pcFrom. This copies the buffer to one of the | |
* EMAC Tx buffers, then indicates to the EMAC that the buffer is ready. | |
* If lEndOfFrame is true then the data being copied is the end of the frame | |
* and the frame can be transmitted. | |
*/ | |
long lEMACSend( char *pcFrom, unsigned long ulLength, long lEndOfFrame ); | |
/* | |
* Frames can be read from the EMAC in multiple sections. | |
* Read ulSectionLength bytes from the EMAC receive buffers to pcTo. | |
* ulTotalFrameLength is the size of the entire frame. Generally vEMACRead | |
* will be repetedly called until the sum of all the ulSectionLenths totals | |
* the value of ulTotalFrameLength. | |
*/ | |
void vEMACRead( char *pcTo, unsigned long ulSectionLength, unsigned long ulTotalFrameLength ); | |
/* | |
* The EMAC driver and interrupt service routines are defined in different | |
* files as the driver is compiled to THUMB, and the ISR to ARM. This function | |
* simply passes the semaphore used to communicate between the two. | |
*/ | |
void vPassEMACSemaphore( SemaphoreHandle_t xCreatedSemaphore ); | |
/* | |
* Called by the Tx interrupt, this function traverses the buffers used to | |
* hold the frame that has just completed transmission and marks each as | |
* free again. | |
*/ | |
void vClearEMACTxBuffer( void ); | |
/* | |
* Suspend on a semaphore waiting either for the semaphore to be obtained | |
* or a timeout. The semaphore is used by the EMAC ISR to indicate that | |
* data has been received and is ready for processing. | |
*/ | |
void vEMACWaitForInput( void ); | |
/* | |
* Return the length of the next frame in the receive buffers. | |
*/ | |
unsigned long ulEMACInputLength( void ); | |
#endif |