STATIC void pin_named_pins_obj_load_attr(mp_obj_t self_in, qstr attr_qstr, mp_obj_t *dest) {
pin_named_pins_obj_t *self = self_in;
const char *attr = qstr_str(attr_qstr);
const pin_obj_t *pin = pin_find_named_pin(self->named_pins, attr);
if (pin) {
dest[0] = (mp_obj_t)pin;
dest[1] = MP_OBJ_NULL;
}
}
// C API used to convert a user-supplied pin name into an ordinal pin number.
pin_obj_t *pin_find(mp_obj_t user_obj) {
pin_obj_t *pin_obj;
// if a pin was provided, use it
if (MP_OBJ_IS_TYPE(user_obj, &pin_type)) {
pin_obj = user_obj;
return pin_obj;
}
// otherwise see if the pin name matches a cpu pin
pin_obj = pin_find_named_pin(&pin_board_pins_locals_dict, user_obj);
if (pin_obj) {
return pin_obj;
}
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments));
}
// C API used to convert a user-supplied pin name into an ordinal pin number.
const pin_obj_t *pin_map_user_obj(mp_obj_t user_obj) {
const pin_obj_t *pin_obj;
// If a pin was provided, then use it
if (MP_OBJ_IS_TYPE(user_obj, &pin_obj_type)) {
pin_obj = user_obj;
if (pin_map_obj.debug) {
printf("Pin map passed pin ");
mp_obj_print((mp_obj_t)pin_obj, PRINT_STR);
printf("\n");
}
return pin_obj;
}
if (pin_map_obj.mapper) {
pin_obj = mp_call_function_1(pin_map_obj.mapper, user_obj);
if (pin_obj != mp_const_none) {
if (!MP_OBJ_IS_TYPE(pin_obj, &pin_obj_type)) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, "Pin.mapper didn't return a Pin object"));
}
if (pin_map_obj.debug) {
printf("Pin.mapper maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print((mp_obj_t)pin_obj, PRINT_STR);
printf("\n");
}
return pin_obj;
}
// The pin mapping function returned mp_const_none, fall through to
// other lookup methods.
}
if (pin_map_obj.map_dict) {
mp_map_t *pin_map_map = mp_obj_dict_get_map(pin_map_obj.map_dict);
mp_map_elem_t *elem = mp_map_lookup(pin_map_map, user_obj, MP_MAP_LOOKUP);
if (elem != NULL && elem->value != NULL) {
pin_obj = elem->value;
if (pin_map_obj.debug) {
printf("Pin.map_dict maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print((mp_obj_t)pin_obj, PRINT_STR);
printf("\n");
}
return pin_obj;
}
}
// See if the pin name matches a board pin
const char *pin_name = mp_obj_str_get_str(user_obj);
pin_obj = pin_find_named_pin(pin_board_pins, pin_name);
if (pin_obj) {
if (pin_map_obj.debug) {
printf("Pin.board maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print((mp_obj_t)pin_obj, PRINT_STR);
printf("\n");
}
return pin_obj;
}
// See if the pin name matches a cpu pin
pin_obj = pin_find_named_pin(pin_cpu_pins, pin_name);
if (pin_obj) {
if (pin_map_obj.debug) {
printf("Pin.cpu maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print((mp_obj_t)pin_obj, PRINT_STR);
printf("\n");
}
return pin_obj;
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "pin '%s' not a valid pin identifier", pin_name));
}
// C API used to convert a user-supplied pin name into an ordinal pin number.
const pin_obj_t *pin_find(mp_obj_t user_obj) {
const pin_obj_t *pin_obj;
// If a pin was provided, then use it
if (mp_obj_is_type(user_obj, &pin_type)) {
pin_obj = MP_OBJ_TO_PTR(user_obj);
if (pin_class_debug) {
printf("Pin map passed pin ");
mp_obj_print(MP_OBJ_FROM_PTR(pin_obj), PRINT_STR);
printf("\n");
}
return pin_obj;
}
if (MP_STATE_PORT(pin_class_mapper) != mp_const_none) {
mp_obj_t o = mp_call_function_1(MP_STATE_PORT(pin_class_mapper), user_obj);
if (o != mp_const_none) {
if (!mp_obj_is_type(o, &pin_type)) {
mp_raise_ValueError("Pin.mapper didn't return a Pin object");
}
if (pin_class_debug) {
printf("Pin.mapper maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print(o, PRINT_STR);
printf("\n");
}
return MP_OBJ_TO_PTR(o);
}
// The pin mapping function returned mp_const_none, fall through to
// other lookup methods.
}
if (MP_STATE_PORT(pin_class_map_dict) != mp_const_none) {
mp_map_t *pin_map_map = mp_obj_dict_get_map(MP_STATE_PORT(pin_class_map_dict));
mp_map_elem_t *elem = mp_map_lookup(pin_map_map, user_obj, MP_MAP_LOOKUP);
if (elem != NULL && elem->value != MP_OBJ_NULL) {
mp_obj_t o = elem->value;
if (pin_class_debug) {
printf("Pin.map_dict maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print(o, PRINT_STR);
printf("\n");
}
return MP_OBJ_TO_PTR(o);
}
}
// See if the pin name matches a board pin
pin_obj = pin_find_named_pin(&pin_board_pins_locals_dict, user_obj);
if (pin_obj) {
if (pin_class_debug) {
printf("Pin.board maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print(MP_OBJ_FROM_PTR(pin_obj), PRINT_STR);
printf("\n");
}
return pin_obj;
}
// See if the pin name matches a cpu pin
pin_obj = pin_find_named_pin(&pin_cpu_pins_locals_dict, user_obj);
if (pin_obj) {
if (pin_class_debug) {
printf("Pin.cpu maps ");
mp_obj_print(user_obj, PRINT_REPR);
printf(" to ");
mp_obj_print(MP_OBJ_FROM_PTR(pin_obj), PRINT_STR);
printf("\n");
}
return pin_obj;
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Pin(%s) doesn't exist", mp_obj_str_get_str(user_obj)));
}