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mods/pybadc.c: Fix the argument handling of bits=x for adc.init() #347

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Oct 7, 2019
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mods/pybadc.c: Fix the argument handling of bits=x for adc.init() #347

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6 changes: 4 additions & 2 deletions esp32/mods/pybadc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -152,10 +152,12 @@ STATIC mp_obj_t adc_init(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *k
mp_arg_val_t args[MP_ARRAY_SIZE(pyb_adc_init_args) - 1];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(args), &pyb_adc_init_args[1], args);
// check the number of bits
if (args[0].u_int != 12) {
if (args[0].u_int < 9 || args[0].u_int > 12) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
pyb_adc_init(pos_args[0]);
pyb_adc_obj_t *self = pos_args[0];
self->width = args[0].u_int;
pyb_adc_init(self);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(adc_init_obj, 1, adc_init);
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