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sam0_common: fix sercom_id return value for SERCOM5 (#9875)

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This commit is contained in:
Federico Pellegrin 2018-09-02 12:44:08 +02:00
parent e8dfabd4c4
commit d3cd2b71c0
1 changed files with 2 additions and 1 deletions
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3
cpu/sam0_common/include/periph_cpu_common.h
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@ -299,7 +299,8 @@ static inline int sercom_id(void *sercom)
#if defined(CPU_FAM_SAMD21)
return ((((uint32_t)sercom) >> 10) & 0x7) - 2;
#elif defined(CPU_FAM_SAML21)
return ((((uint32_t)sercom) >> 10) & 0x7);
/* Left side handles SERCOM0-4 while right side handles unaligned address of SERCOM5 */
return ((((uint32_t)sercom) >> 10) & 0x7) + ((((uint32_t)sercom) >> 22) & 0x04);
#endif
}