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shared-bindings: Allow for switching direction with the attribute.

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This commit is contained in:
Scott Shawcroft 2017-06-06 17:45:39 -07:00
parent c8dc091288
commit c0e1f58b67
1 changed files with 22 additions and 5 deletions
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27
shared-bindings/digitalio/DigitalInOut.c
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@ -102,7 +102,8 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(digitalio_digitalinout_obj___exit___o
//|
//| .. method:: switch_to_output(value=False, drive_mode=DriveMode.PUSH_PULL)
//|
//| Switch to writing out digital values.
//| Set the drive mode and value and then switch to writing out digital
//| values.
//|
//| :param bool value: default value to set upon switching
//| :param DriveMode drive_mode: drive mode for the output
@ -135,7 +136,7 @@ MP_DEFINE_CONST_FUN_OBJ_KW(digitalio_digitalinout_switch_to_output_obj, 1, digit
//| .. method:: switch_to_input(pull=None)
//|
//| Switch to read in digital values.
//| Set the pull and then switch to read in digital values.
//|
//| :param Pull pull: pull configuration for the input
//|
@ -179,9 +180,12 @@ MP_DEFINE_CONST_FUN_OBJ_KW(digitalio_digitalinout_switch_to_input_obj, 1, digita
//| .. attribute:: direction
//|
//| Get the direction of the pin.
//| The direction of the pin.
//|
//| :raises AttributeError: when set. Use :py:meth:`switch_to_input` and :py:meth:`switch_to_output` to change the direction.
//| Setting this will use the defaults from the corresponding
//| :py:meth:`switch_to_input` or :py:meth:`switch_to_output` method. If
//| you want to set pull, value or drive mode prior to switching, then use
//| those methods instead.
//|
typedef struct {
mp_obj_base_t base;
@ -199,10 +203,23 @@ STATIC mp_obj_t digitalio_digitalinout_obj_get_direction(mp_obj_t self_in) {
}
MP_DEFINE_CONST_FUN_OBJ_1(digitalio_digitalinout_get_direction_obj, digitalio_digitalinout_obj_get_direction);
STATIC mp_obj_t digitalio_digitalinout_obj_set_direction(mp_obj_t self_in, mp_obj_t value) {
digitalio_digitalinout_obj_t *self = MP_OBJ_TO_PTR(self_in);
if (value == &digitalio_digitalinout_direction_in_obj) {
common_hal_digitalio_digitalinout_switch_to_input(self, PULL_NONE);
} else if (value == &digitalio_digitalinout_direction_out_obj) {
common_hal_digitalio_digitalinout_switch_to_output(self, false, DRIVE_MODE_PUSH_PULL);
} else {
mp_raise_ValueError("Invalid direction.");
}
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_2(digitalio_digitalinout_set_direction_obj, digitalio_digitalinout_obj_set_direction);
const mp_obj_property_t digitalio_digitalinout_direction_obj = {
.base.type = &mp_type_property,
.proxy = {(mp_obj_t)&digitalio_digitalinout_get_direction_obj,
(mp_obj_t)&mp_const_none_obj,
(mp_obj_t)&digitalio_digitalinout_set_direction_obj,
(mp_obj_t)&mp_const_none_obj},
};