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This commit is contained in:
Richard Barry 2009-06-03 18:22:58 +00:00
parent c0223a28fe
commit ae23ad7395
6 changed files with 31 additions and 25 deletions
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18
Demo/CORTEX_AT91SAM3U256_IAR/system/board_lowlevel.c
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@ -113,17 +113,23 @@ void LowLevelInit(void)
/* Initialize main oscillator
****************************/
if(!(AT91C_BASE_PMC->PMC_MOR & AT91C_CKGR_MOSCSEL))
if(!(AT91C_BASE_PMC->PMC_MOR & AT91C_CKGR_MOSCSEL))
{
AT91C_BASE_PMC->PMC_MOR = (0x37 << 16) | BOARD_OSCOUNT | AT91C_CKGR_MOSCRCEN | AT91C_CKGR_MOSCXTEN;
timeout = 0;
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCXTS) && (timeout++ < CLOCK_TIMEOUT));
}
else
{
AT91C_BASE_PMC->PMC_MOR = (0x37 << 16) | BOARD_OSCOUNT | AT91C_CKGR_MOSCRCEN | AT91C_CKGR_MOSCXTEN | AT91C_CKGR_MOSCSEL;
timeout = 0;
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCRCS) && (timeout++ < CLOCK_TIMEOUT));
AT91C_BASE_PMC->PMC_MOR = (0x37 << 16) | BOARD_OSCOUNT | AT91C_CKGR_MOSCRCEN | AT91C_CKGR_MOSCXTEN;
timeout = 0;
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCXTS) && (timeout++ < CLOCK_TIMEOUT));
while (!(AT91C_BASE_PMC->PMC_SR & AT91C_PMC_MOSCSELS) && (timeout++ < CLOCK_TIMEOUT));
}
// AT91C_BASE_PIOB->PIO_CODR = 1 << 1;
// AT91C_BASE_PIOB->PIO_OER = 1 << 1;
// AT91C_BASE_PIOB->PIO_PER = 1 << 1;
/* Switch to moscsel */
AT91C_BASE_PMC->PMC_MOR = (0x37 << 16) | BOARD_OSCOUNT | AT91C_CKGR_MOSCRCEN | AT91C_CKGR_MOSCXTEN | AT91C_CKGR_MOSCSEL;
timeout = 0;