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C5471 ethernet debug

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@431 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2007-12-06 23:12:48 +00:00
parent a932e62067
commit 47b3a226af
4 changed files with 10 additions and 3 deletions
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7
TODO
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@ -43,6 +43,8 @@ o Network
used concurrently by two threads. Minimal fix: Add mutex to support exclusion. used concurrently by two threads. Minimal fix: Add mutex to support exclusion.
- IPv6 support is incomplete - IPv6 support is incomplete
- Incoming UDP broadcast should only be accepted if listening on INADDR_ANY(?) - Incoming UDP broadcast should only be accepted if listening on INADDR_ANY(?)
- Should add some driver call to support throttling... when there is no listener
for new data, the driver should be throttled.
o USB o USB
- Implement USB device support - Implement USB device support
@ -76,7 +78,10 @@ o ARM
user stack allocation larger than needed. user stack allocation larger than needed.
o ARM/C5471 o ARM/C5471
- Needs an Ethernet driver - Ethernet driver has problems on receive side. The cause of the problem seems
to be that the hardware waits for about 3 seconds before interrupting the driver.
By then, the sender has already retransmitted and things are out of sync.
Probable cause: TX configuration problem.
o ARM/DM320 o ARM/DM320
- It seems that when a lot of debug statements are added, the system no - It seems that when a lot of debug statements are added, the system no

4
arch/arm/src/c5471/c5471_ethernet.c
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@ -1486,7 +1486,7 @@ static int c5471_interrupt(int irq, FAR void *context)
/* Handle interrupts according to status bit settings */ /* Handle interrupts according to status bit settings */
/* Check if we received an incoming packet, if so, call c5471_receive() */ /* Check if we received an incoming packet, if so, call c5471_receive() */
if (EIM_STATUS_CPU_TX & c5471->c_eimstatus) if ((EIM_STATUS_CPU_TX & c5471->c_eimstatus) != 0)
{ {
/* An incoming packet has been received by the EIM from the network and /* An incoming packet has been received by the EIM from the network and
* the interrupt associated with EIM's CPU TX queue has been asserted. It * the interrupt associated with EIM's CPU TX queue has been asserted. It
@ -1508,7 +1508,7 @@ static int c5471_interrupt(int irq, FAR void *context)
/* Check is a packet transmission just completed. If so, call c5471_txdone */ /* Check is a packet transmission just completed. If so, call c5471_txdone */
if (EIM_STATUS_CPU_RX & c5471->c_eimstatus) if ((EIM_STATUS_CPU_RX & c5471->c_eimstatus) != 0)
{ {
/* An outgoing packet has been processed by the EIM and the interrupt /* An outgoing packet has been processed by the EIM and the interrupt
* associated with EIM's CPU RX que has been asserted. It is the EIM's * associated with EIM's CPU RX que has been asserted. It is the EIM's

1
configs/c5471evm/defconfig
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@ -279,6 +279,7 @@ CONFIG_NET_SOCKOPTS=y
CONFIG_NET_BUFSIZE=420 CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=n CONFIG_NET_TCP=n
CONFIG_NET_TCP_CONNS=40 CONFIG_NET_TCP_CONNS=40
CONFIG_NET_NTCP_READAHEAD_BUFFERS=8
CONFIG_NET_MAX_LISTENPORTS=40 CONFIG_NET_MAX_LISTENPORTS=40
CONFIG_NET_UDP=n CONFIG_NET_UDP=n
CONFIG_NET_UDP_CHECKSUMS=y CONFIG_NET_UDP_CHECKSUMS=y

1
configs/c5471evm/netconfig
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@ -279,6 +279,7 @@ CONFIG_NET_SOCKOPTS=y
CONFIG_NET_BUFSIZE=420 CONFIG_NET_BUFSIZE=420
CONFIG_NET_TCP=y CONFIG_NET_TCP=y
CONFIG_NET_TCP_CONNS=8 CONFIG_NET_TCP_CONNS=8
CONFIG_NET_NTCP_READAHEAD_BUFFERS=32
CONFIG_NET_MAX_LISTENPORTS=8 CONFIG_NET_MAX_LISTENPORTS=8
CONFIG_NET_UDP=n CONFIG_NET_UDP=n
CONFIG_NET_UDP_CHECKSUMS=y CONFIG_NET_UDP_CHECKSUMS=y