From 9e0c00dfd42504a53f000da374355829da7c7c77 Mon Sep 17 00:00:00 2001 From: siddacious Date: Wed, 25 Mar 2020 22:43:18 -0700 Subject: adding a backlight polarity flag to Display --- shared-bindings/displayio/Display.c | 7 +++++-- shared-bindings/displayio/Display.h | 2 +- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'shared-bindings/displayio') diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c index 991c828be..3ef7e74e9 100644 --- a/shared-bindings/displayio/Display.c +++ b/shared-bindings/displayio/Display.c @@ -104,9 +104,10 @@ //| :param bool data_as_commands: Treat all init and boundary data as SPI commands. Certain displays require this. //| :param bool auto_refresh: Automatically refresh the screen //| :param int native_frames_per_second: Number of display refreshes per second that occur with the given init_sequence. +//| :param bool backlight_on_high: If True, pulling the backlight pin high turns the backlight on. //| 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_rotation, ARG_color_depth, ARG_grayscale, ARG_pixels_in_byte_share_row, ARG_bytes_per_cell, ARG_reverse_pixels_in_byte, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_set_vertical_scroll, ARG_backlight_pin, ARG_brightness_command, ARG_brightness, ARG_auto_brightness, ARG_single_byte_bounds, ARG_data_as_commands, ARG_auto_refresh, ARG_native_frames_per_second }; + enum { ARG_display_bus, ARG_init_sequence, ARG_width, ARG_height, ARG_colstart, ARG_rowstart, ARG_rotation, ARG_color_depth, ARG_grayscale, ARG_pixels_in_byte_share_row, ARG_bytes_per_cell, ARG_reverse_pixels_in_byte, ARG_set_column_command, ARG_set_row_command, ARG_write_ram_command, ARG_set_vertical_scroll, ARG_backlight_pin, ARG_brightness_command, ARG_brightness, ARG_auto_brightness, ARG_single_byte_bounds, ARG_data_as_commands, ARG_auto_refresh, ARG_native_frames_per_second, ARG_backlight_on_high }; 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 }, @@ -132,6 +133,7 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a { MP_QSTR_data_as_commands, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = false} }, { MP_QSTR_auto_refresh, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} }, { MP_QSTR_native_frames_per_second, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 60} }, + { MP_QSTR_backlight_on_high, MP_ARG_BOOL | MP_ARG_KW_ONLY, {.u_bool = true} }, }; 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); @@ -178,7 +180,8 @@ STATIC mp_obj_t displayio_display_make_new(const mp_obj_type_t *type, size_t n_a args[ARG_single_byte_bounds].u_bool, args[ARG_data_as_commands].u_bool, args[ARG_auto_refresh].u_bool, - args[ARG_native_frames_per_second].u_int + args[ARG_native_frames_per_second].u_int, + args[ARG_backlight_on_high].u_bool ); return self; diff --git a/shared-bindings/displayio/Display.h b/shared-bindings/displayio/Display.h index b82a68ebe..8c2e20262 100644 --- a/shared-bindings/displayio/Display.h +++ b/shared-bindings/displayio/Display.h @@ -45,7 +45,7 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, uint8_t set_column_command, uint8_t set_row_command, uint8_t write_ram_command, uint8_t set_vertical_scroll, uint8_t* init_sequence, uint16_t init_sequence_len, const mcu_pin_obj_t* backlight_pin, uint16_t brightness_command, mp_float_t brightness, bool auto_brightness, - bool single_byte_bounds, bool data_as_commands, bool auto_refresh, uint16_t native_frames_per_second); + bool single_byte_bounds, bool data_as_commands, bool auto_refresh, uint16_t native_frames_per_second, bool backlight_on_high); bool common_hal_displayio_display_show(displayio_display_obj_t* self, displayio_group_t* root_group); -- cgit v1.2.3