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embed/extmod: add trezor_obj_get_uint8

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This commit is contained in:
Jan Pochyla 2018-05-16 14:27:51 +02:00
parent 39c1c85abb
commit 648ec675f4
1 changed files with 8 additions and 0 deletions
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8
embed/extmod/trezorobj.h
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@ -69,4 +69,12 @@ static inline mp_uint_t trezor_obj_get_uint(mp_obj_t obj) {
} }
} }
static inline uint8_t trezor_obj_get_uint8(mp_obj_t obj) {
mp_uint_t u = trezor_obj_get_uint(obj);
if (u > 0xFF) {
mp_raise_msg(&mp_type_OverflowError, "value does not fit into byte type");
}
return u;
}
#endif #endif