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cpu/sam0/periph: remove bitfield usage in trng driver

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Signed-off-by: Dylan Laduranty <dylan.laduranty@mesotic.com>
This commit is contained in:
Dylan Laduranty 2024-06-10 16:45:34 +02:00
parent 38c65b9531
commit 37b03d8172
1 changed files with 4 additions and 3 deletions
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7
cpu/sam0_common/periph/hwrng.c
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@ -26,15 +26,16 @@
void hwrng_init(void) void hwrng_init(void)
{ {
/* Enable the MCLK */ /* Enable the MCLK */
MCLK->APBCMASK.bit.TRNG_ = 1; MCLK->APBCMASK.reg |= MCLK_APBCMASK_TRNG;
/* Enable the TRNG */ /* Enable the TRNG */
TRNG->CTRLA.bit.ENABLE = 1; TRNG->CTRLA.reg |= TRNG_CTRLA_ENABLE;
} }
uint32_t hwrand(void) uint32_t hwrand(void)
{ {
while (!TRNG->INTFLAG.bit.DATARDY) {} while (!(TRNG->INTFLAG.reg & TRNG_INTFLAG_DATARDY)) {}
return TRNG->DATA.reg; return TRNG->DATA.reg;
} }