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Add some range checking

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3209 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-12-21 12:05:25 +00:00
parent 30f1331d9d
commit c623494f6d
1 changed files with 9 additions and 1 deletions
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10
arch/arm/src/lpc17xx/lpc17_ohciram.h
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@ -209,9 +209,17 @@
#define LPC17_TDFREE_BASE (LPC17_EDFREE_BASE + LPC17_EDFREE_SIZE)
#define LPC17_IOFREE_BASE (LPC17_TDFREE_BASE + LPC17_TDFREE_SIZE)
#if LPC17_IOFREE_BASE > LPC17_OHCIRAM_END
# error "Insufficient OHCI RAM allocated"
#endif
/* Finally, use the remainder of the allocated OHCI for IO buffers */
#define LPC17_IOBUFFERS ((LPC17_OHCIRAM_END - LPC17_IOBUFFER_BASE) / CONFIG_USBHOST_IOBUFSIZE)
#define LPC17_IOBUFFERS ((LPC17_OHCIRAM_END - LPC17_IOFREE_BASE) / CONFIG_USBHOST_IOBUFSIZE)
#if LPC17_IOBUFFERS < 1
# warning "No IO buffers allocated"
#endif
/************************************************************************************
* Public Types