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switch of interrupts while writing and reading to the SPI. avoids

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desynchronization problems.
This commit is contained in:
nvt-se 2009-05-25 13:19:04 +00:00
parent 1fdd19079f
commit da91d87ae6
2 changed files with 38 additions and 8 deletions
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15
platform/msb430/dev/sd/sdspi.c
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@ -47,9 +47,9 @@ Berlin, 2007
* @brief Serial Peripheral Interface for SD library
*
* @author Michael Baar <baar@inf.fu-berlin.de>
* @version $Revision: 1.2 $
* @version $Revision: 1.3 $
*
* $Id: sdspi.c,v 1.2 2008/03/28 23:03:05 nvt-se Exp $
* $Id: sdspi.c,v 1.3 2009/05/25 13:19:04 nvt-se Exp $
*/
#include <msp430x16x.h>
@ -111,6 +111,10 @@ sdspi_dma_wait(void)
void
sdspi_read(void *pDestination, const uint16_t size, const bool incDest)
{
int s;
s = splhigh();
#if SPI_DMA_READ
sdspi_dma_wait();
@ -153,12 +157,17 @@ sdspi_read(void *pDestination, const uint16_t size, const bool incDest)
i--;
} while (i);
#endif
splx(s);
}
#if SPI_WRITE
void
sdspi_write(const void *pSource, const uint16_t size, const int increment)
{
int s;
s = splhigh();
#if SPI_DMA_WRITE
sdspi_dma_wait();
@ -191,6 +200,8 @@ sdspi_write(const void *pSource, const uint16_t size, const int increment)
i--;
} while (i);
#endif
splx(s);
}
#endif