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Fix LPC17 CAN driver; TX must be interrupt driven

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4290 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-01-10 22:29:39 +00:00
parent d6979d7594
commit f5efcf0cb4
4 changed files with 116 additions and 45 deletions
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include/nuttx/can.h
+6 -1
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@@ -1,7 +1,7 @@
/************************************************************************************
* include/nuttx/can.h
*
* Copyright (C) 2008, 2009, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2008, 2009, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -84,6 +84,7 @@
#define dev_ioctl(dev,cmd,arg) dev->cd_ops->co_ioctl(dev,cmd,arg)
#define dev_remoterequest(dev,id) dev->cd_ops->co_remoterequest(dev,id)
#define dev_send(dev,m) dev->cd_ops->co_send(dev,m)
#define dev_txready(dev) dev->cd_ops->co_txready(dev)
#define dev_txempty(dev) dev->cd_ops->co_txempty(dev)
/* CAN message support */
@@ -205,6 +206,10 @@ struct can_ops_s
CODE int (*co_send)(FAR struct can_dev_s *dev, FAR struct can_msg_s *msg);
/* Return true if the CAN hardware can accept another TX message. */
CODE bool (*co_txready)(FAR struct can_dev_s *dev);
/* Return true if all message have been sent. If for example, the CAN
* hardware implements FIFOs, then this would mean the transmit FIFO is
* empty. This method is called when the driver needs to make sure that