len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-19 17:48:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

Updated AVR32 demos and added AVR32 UC3B demo.

Browse source
This commit is contained in:
Richard Barry 2007-07-27 07:59:50 +00:00
parent 45e7e5ac55
commit 94c94d3c0e
164 changed files with 21458 additions and 3994 deletions
Download patch file Download diff file Expand all files Collapse all files

32
Demo/lwIP_AVR32_UC3/NETWORK/lwip-port/AT32UC3A/ethernetif.c
View file

@ -1,5 +1,3 @@
/* This source file is part of the ATMEL FREERTOS-0.9.0 Release */
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
@ -52,8 +50,7 @@
/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "AVR32_EMAC.h"
#include "AVR32_CONF_EMAC.h"
#include "macb.h"
#define netifMTU ( 1500 )
#define netifGUARD_BLOCK_TIME ( 250 )
@ -90,20 +87,20 @@ low_level_init(struct netif *netif)
/* Do whatever else is needed to initialize interface. */
xNetIf = netif;
/* Initialise the EMAC. This routine contains code that polls status bits.
/* Initialise the MACB. This routine contains code that polls status bits.
If the Ethernet cable is not plugged in then this can take a considerable
time. To prevent this starving lower priority tasks of processing time we
lower our priority prior to the call, then raise it back again once the
initialisation is complete. */
uxPriority = uxTaskPriorityGet( NULL );
vTaskPrioritySet( NULL, tskIDLE_PRIORITY );
while( xEMACInit() == NULL )
while( xMACBInit(&AVR32_MACB) == FALSE )
{
__asm( "NOP" );
__asm__ __volatile__ ( "nop" );
}
vTaskPrioritySet( NULL, uxPriority );
/* Create the task that handles the EMAC. */
/* Create the task that handles the MACB. */
// xTaskCreate( ethernetif_input, ( signed portCHAR * ) "ETH_INT", netifINTERFACE_TASK_STACK_SIZE, NULL, netifINTERFACE_TASK_PRIORITY, NULL );
sys_thread_new( ethernetif_input, NULL, netifINTERFACE_TASK_PRIORITY );
}
@ -136,7 +133,7 @@ err_t xReturn = ERR_OK;
pbuf_header( p, -ETH_PAD_SIZE ); /* drop the padding word */
#endif
/* Access to the EMAC is guarded using a semaphore. */
/* Access to the MACB is guarded using a semaphore. */
if( xSemaphoreTake( xTxSemaphore, netifGUARD_BLOCK_TIME ) )
{
for( q = p; q != NULL; q = q->next )
@ -145,13 +142,12 @@ err_t xReturn = ERR_OK;
time. The size of the data in each pbuf is kept in the ->len
variable. if q->next == NULL then this is the last pbuf in the
chain. */
if( !lEMACSend( q->payload, q->len, ( q->next == NULL ) ) )
if( !lMACBSend(&AVR32_MACB, q->payload, q->len, ( q->next == NULL ) ) )
{
xReturn = ~ERR_OK;
}
}
xSemaphoreGive( xTxSemaphore );
xSemaphoreGive( xTxSemaphore );
}
@ -193,7 +189,7 @@ static xSemaphoreHandle xRxSemaphore = NULL;
if( xSemaphoreTake( xRxSemaphore, netifGUARD_BLOCK_TIME ) )
{
/* Obtain the size of the packet. */
len = ulEMACInputLength();
len = ulMACBInputLength();
if( len )
{
@ -211,7 +207,7 @@ static xSemaphoreHandle xRxSemaphore = NULL;
#endif
/* Let the driver know we are going to read a new packet. */
vEMACRead( NULL, 0, len );
vMACBRead( NULL, 0, len );
/* We iterate over the pbuf chain until we have read the entire
packet into the pbuf. */
@ -219,7 +215,7 @@ static xSemaphoreHandle xRxSemaphore = NULL;
{
/* Read enough bytes to fill this pbuf in the chain. The
available data in the pbuf is given by the q->len variable. */
vEMACRead( q->payload, q->len, len );
vMACBRead( q->payload, q->len, len );
}
#if ETH_PAD_SIZE
@ -294,7 +290,7 @@ struct pbuf *p;
{
/* No packet could be read. Wait a for an interrupt to tell us
there is more data available. */
vEMACWaitForInput();
vMACBWaitForInput(100);
}
} while( p == NULL );
@ -350,7 +346,7 @@ arp_timer(void *arg)
* actual setup of the hardware.
*
*/
extern struct netif EMAC_if;
extern struct netif MACB_if;
err_t
ethernetif_init(struct netif *netif)
{
@ -371,7 +367,7 @@ ethernetif_init(struct netif *netif)
netif->output = ethernetif_output;
netif->linkoutput = low_level_output;
for(i = 0; i < 6; i++) netif->hwaddr[i] = EMAC_if.hwaddr[i];
for(i = 0; i < 6; i++) netif->hwaddr[i] = MACB_if.hwaddr[i];
low_level_init(netif);