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sam0_common: correct sercom_set_gen for sercom5. it assumes SERCOM5 GEN clock is in sequence, but is not, need to put a specific if test

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This commit is contained in:
Federico Pellegrin 2018-09-02 13:39:08 +02:00
parent e8dfabd4c4
commit bfdafe877e
1 changed files with 6 additions and 1 deletions
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7
cpu/sam0_common/include/periph_cpu_common.h
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@ -352,8 +352,13 @@ static inline void sercom_set_gen(void *sercom, uint32_t gclk)
(SERCOM0_GCLK_ID_CORE + sercom_id(sercom)));
while (GCLK->STATUS.reg & GCLK_STATUS_SYNCBUSY) {}
#elif defined(CPU_FAM_SAML21)
GCLK->PCHCTRL[SERCOM0_GCLK_ID_CORE + sercom_id(sercom)].reg =
if (sercom_id(sercom) < 5) {
GCLK->PCHCTRL[SERCOM0_GCLK_ID_CORE + sercom_id(sercom)].reg =
(GCLK_PCHCTRL_CHEN | gclk);
} else {
GCLK->PCHCTRL[SERCOM5_GCLK_ID_CORE].reg =
(GCLK_PCHCTRL_CHEN | gclk);
}
#endif
}