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Fix an integer overflow bug in LPC17xx GPIO interrupt configuration

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4247 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-01-01 15:57:03 +00:00
parent 8eee445400
commit 5d366235ac
1 changed files with 3 additions and 3 deletions
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6
arch/arm/src/lpc17xx/lpc17_gpio.c
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@ -301,9 +301,9 @@ static void lpc17_setintedge(unsigned int port, unsigned int pin,
/* Set the requested value in the PINSEL register */
shift = pin << 1;
*intedge &= ~(3 << shift);
*intedge |= (value << shift);
shift = pin << 1;
*intedge &= ~((uint64_t)3 << shift);
*intedge |= ((uint64_t)value << shift);
}
#endif