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Turn rcc_osc_ready() into rcc_wait_for_osc_ready(), more useful.

This commit is contained in:
Uwe Hermann 2009-07-22 02:38:31 +02:00
parent 5df3d0a23d
commit 97440d8406
1 changed files with 6 additions and 9 deletions
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15
lib/rcc.c
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@ -117,28 +117,25 @@ int rcc_css_int_flag(void)
return ((RCC_CIR & CSSF) != 0);
}
int rcc_osc_ready(osc_t osc)
void rcc_wait_for_osc_ready(osc_t osc)
{
switch (osc) {
case PLL:
return ((RCC_CR & PLLRDY) != 0);
while ((RCC_CR & PLLRDY) != 0);
break;
case HSE:
return ((RCC_CR & HSERDY) != 0);
while ((RCC_CR & HSERDY) != 0);
break;
case HSI:
return ((RCC_CR & HSIRDY) != 0);
while ((RCC_CR & HSIRDY) != 0);
break;
case LSE:
return ((RCC_BDCR & LSERDY) != 0);
while ((RCC_BDCR & LSERDY) != 0);
break;
case LSI:
return ((RCC_CSR & LSIRDY) != 0);
while ((RCC_CSR & LSIRDY) != 0);
break;
}
/* Shouldn't be reached. */
return -1;
}
void rcc_osc_on(osc_t osc)