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Add shared bindings check for invalid frequency

This commit is contained in:
Lucian Copeland 2021-07-13 18:22:02 -04:00
parent bd39641f7e
commit c504a85ecc
1 changed files with 5 additions and 1 deletions
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6
shared-bindings/pwmio/PWMOut.c
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@ -231,7 +231,11 @@ STATIC mp_obj_t pwmio_pwmout_obj_set_frequency(mp_obj_t self_in, mp_obj_t freque
"PWM frequency not writable when variable_frequency is False on " "PWM frequency not writable when variable_frequency is False on "
"construction.")); "construction."));
} }
common_hal_pwmio_pwmout_set_frequency(self, mp_obj_get_int(frequency)); mp_int_t freq = mp_obj_get_int(frequency);
if (freq == 0) {
mp_raise_ValueError(translate("Invalid PWM frequency"));
}
common_hal_pwmio_pwmout_set_frequency(self, freq);
return mp_const_none; return mp_const_none;
} }
MP_DEFINE_CONST_FUN_OBJ_2(pwmio_pwmout_set_frequency_obj, pwmio_pwmout_obj_set_frequency); MP_DEFINE_CONST_FUN_OBJ_2(pwmio_pwmout_set_frequency_obj, pwmio_pwmout_obj_set_frequency);