diff options
Diffstat (limited to 'shared-bindings/displayio/Display.c')
| -rw-r--r-- | shared-bindings/displayio/Display.c | 90 |
1 files changed, 83 insertions, 7 deletions
diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c index d61732f6f..109df8af4 100644 --- a/shared-bindings/displayio/Display.c +++ b/shared-bindings/displayio/Display.c @@ -84,9 +84,10 @@ //| :param int set_column_command: Command used to set the start and end columns to update //| :param int set_row_command: Command used so set the start and end rows to update //| :param int write_ram_command: Command used to write pixels values into the update region +//| :param microcontroller.Pin backlight_pin: Pin connected to the display's backlight //| STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) { - enum { ARG_display_bus, ARG_init_sequence, ARG_width, ARG_height, ARG_colstart, ARG_rowstart, ARG_color_depth, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command }; + enum { ARG_display_bus, ARG_init_sequence, ARG_width, ARG_height, ARG_colstart, ARG_rowstart, ARG_color_depth, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_backlight_pin }; static const mp_arg_t allowed_args[] = { { MP_QSTR_display_bus, MP_ARG_REQUIRED | MP_ARG_OBJ }, { MP_QSTR_init_sequence, MP_ARG_REQUIRED | MP_ARG_OBJ }, @@ -98,6 +99,7 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a { MP_QSTR_set_column_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2a} }, { MP_QSTR_set_row_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2b} }, { MP_QSTR_write_ram_command, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0x2c} }, + { MP_QSTR_backlight_pin, MP_ARG_OBJ | MP_ARG_KW_ONLY, {.u_obj = mp_const_none} }, }; mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)]; mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args); @@ -107,6 +109,14 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a mp_buffer_info_t bufinfo; mp_get_buffer_raise(args[ARG_init_sequence].u_obj, &bufinfo, MP_BUFFER_READ); + mp_obj_t backlight_pin_obj = args[ARG_backlight_pin].u_obj; + assert_pin(backlight_pin_obj, true); + const mcu_pin_obj_t* backlight_pin = NULL; + if (backlight_pin_obj != NULL && backlight_pin_obj != mp_const_none) { + backlight_pin = MP_OBJ_TO_PTR(backlight_pin_obj); + assert_pin_free(backlight_pin); + } + displayio_display_obj_t *self = NULL; for (uint8_t i = 0; i < CIRCUITPY_DISPLAY_LIMIT; i++) { if (displays[i].display.base.type == NULL || @@ -122,22 +132,27 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a common_hal_displayio_display_construct(self, display_bus, args[ARG_width].u_int, args[ARG_height].u_int, args[ARG_colstart].u_int, args[ARG_rowstart].u_int, args[ARG_color_depth].u_int, args[ARG_set_column_command].u_int, args[ARG_set_row_command].u_int, - args[ARG_write_ram_command].u_int, bufinfo.buf, bufinfo.len); + args[ARG_write_ram_command].u_int, bufinfo.buf, bufinfo.len, MP_OBJ_TO_PTR(backlight_pin)); return self; } //| .. method:: show(group) //| -//| Switches to displaying the given group of layers. +//| Switches to displaying the given group of layers. When group is None, the default +//| CircuitPython terminal will be shown. //| STATIC mp_obj_t displayio_display_obj_show(mp_obj_t self_in, mp_obj_t group_in) { displayio_display_obj_t *self = MP_OBJ_TO_PTR(self_in); - mp_obj_t native_layer = mp_instance_cast_to_native_base(group_in, &displayio_group_type); - if (native_layer == MP_OBJ_NULL) { - mp_raise_ValueError(translate("Must be a Group subclass.")); + displayio_group_t* group = NULL; + if (group_in != mp_const_none) { + mp_obj_t native_layer = mp_instance_cast_to_native_base(group_in, &displayio_group_type); + if (native_layer == MP_OBJ_NULL) { + mp_raise_ValueError(translate("Must be a Group subclass.")); + } + group = MP_OBJ_TO_PTR(native_layer); } - displayio_group_t* group = MP_OBJ_TO_PTR(native_layer); + common_hal_displayio_display_show(self, group); return mp_const_none; } @@ -165,11 +180,72 @@ STATIC mp_obj_t displayio_display_obj_wait_for_frame(mp_obj_t self_in) { } MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_wait_for_frame_obj, displayio_display_obj_wait_for_frame); +//| .. attribute:: brightness +//| +//| The brightness of the display as a float. 0.0 is off and 1.0 is full brightness. When +//| `auto_brightness` is True this value will change automatically and setting it will have no +//| effect. To control the brightness, auto_brightness must be false. +//| +STATIC mp_obj_t displayio_display_obj_get_brightness(mp_obj_t self_in) { + displayio_display_obj_t *self = MP_OBJ_TO_PTR(self_in); + mp_float_t brightness = common_hal_displayio_display_get_brightness(self); + if (brightness < 0) { + mp_raise_RuntimeError(translate("Brightness not adjustable")); + } + return mp_obj_new_float(brightness); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_brightness_obj, displayio_display_obj_get_brightness); + +STATIC mp_obj_t displayio_display_obj_set_brightness(mp_obj_t self_in, mp_obj_t brightness) { + displayio_display_obj_t *self = MP_OBJ_TO_PTR(self_in); + bool ok = common_hal_displayio_display_set_brightness(self, mp_obj_get_float(brightness)); + if (!ok) { + mp_raise_RuntimeError(translate("Brightness not adjustable")); + } + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_brightness_obj, displayio_display_obj_set_brightness); + +const mp_obj_property_t displayio_display_brightness_obj = { + .base.type = &mp_type_property, + .proxy = {(mp_obj_t)&displayio_display_get_brightness_obj, + (mp_obj_t)&displayio_display_set_brightness_obj, + (mp_obj_t)&mp_const_none_obj}, +}; + +//| .. attribute:: auto_brightness +//| +//| True when the display brightness is auto adjusted. +//| +STATIC mp_obj_t displayio_display_obj_get_auto_brightness(mp_obj_t self_in) { + displayio_display_obj_t *self = MP_OBJ_TO_PTR(self_in); + return mp_obj_new_bool(common_hal_displayio_display_get_auto_brightness(self)); +} +MP_DEFINE_CONST_FUN_OBJ_1(displayio_display_get_auto_brightness_obj, displayio_display_obj_get_auto_brightness); + +STATIC mp_obj_t displayio_display_obj_set_auto_brightness(mp_obj_t self_in, mp_obj_t auto_brightness) { + displayio_display_obj_t *self = MP_OBJ_TO_PTR(self_in); + + common_hal_displayio_display_set_auto_brightness(self, mp_obj_is_true(auto_brightness)); + + return mp_const_none; +} +MP_DEFINE_CONST_FUN_OBJ_2(displayio_display_set_auto_brightness_obj, displayio_display_obj_set_auto_brightness); + +const mp_obj_property_t displayio_display_auto_brightness_obj = { + .base.type = &mp_type_property, + .proxy = {(mp_obj_t)&displayio_display_get_auto_brightness_obj, + (mp_obj_t)&displayio_display_set_auto_brightness_obj, + (mp_obj_t)&mp_const_none_obj}, +}; STATIC const mp_rom_map_elem_t displayio_display_locals_dict_table[] = { { MP_ROM_QSTR(MP_QSTR_show), MP_ROM_PTR(&displayio_display_show_obj) }, { MP_ROM_QSTR(MP_QSTR_refresh_soon), MP_ROM_PTR(&displayio_display_refresh_soon_obj) }, { MP_ROM_QSTR(MP_QSTR_wait_for_frame), MP_ROM_PTR(&displayio_display_wait_for_frame_obj) }, + + { MP_ROM_QSTR(MP_QSTR_brightness), MP_ROM_PTR(&displayio_display_brightness_obj) }, + { MP_ROM_QSTR(MP_QSTR_auto_brightness), MP_ROM_PTR(&displayio_display_auto_brightness_obj) }, }; STATIC MP_DEFINE_CONST_DICT(displayio_display_locals_dict, displayio_display_locals_dict_table); |