diff --git a/shared-module/displayio/Display.c b/shared-module/displayio/Display.c index d3e7ee175c..b0806af291 100644 --- a/shared-module/displayio/Display.c +++ b/shared-module/displayio/Display.c @@ -49,7 +49,7 @@ void common_hal_displayio_display_construct(displayio_display_obj_t* self, 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 backlight_on_high), bool column_and_page_addressing { + bool backlight_on_high, bool column_and_page_addressing) { // Turn off auto-refresh as we init. self->auto_refresh = false; uint16_t ram_width = 0x100; diff --git a/shared-module/displayio/display_core.c b/shared-module/displayio/display_core.c index 43f2d19375..f046ab9e48 100644 --- a/shared-module/displayio/display_core.c +++ b/shared-module/displayio/display_core.c @@ -253,8 +253,16 @@ void displayio_display_core_set_region_to_update(displayio_display_core_t* self, data[data_length++] = x2 >> 8; data[data_length++] = x2 & 0xff; } + // Quirk for SH1107 "column_and_page_addressing" + // Column lower command = 0x00, Column upper command = 0x10 + if (column_and_page_addressing) { + data[0] = 0x00 | (x1 & 0x0F); + data[1] = 0x10 | (x1 >> 4); + data_length = 2; + } self->send(self->bus, data_type, chip_select, data, data_length); displayio_display_core_end_transaction(self); + if (set_current_column_command != NO_COMMAND) { uint8_t command = set_current_column_command; displayio_display_core_begin_transaction(self); @@ -283,6 +291,14 @@ void displayio_display_core_set_region_to_update(displayio_display_core_t* self, data[data_length++] = y2 >> 8; data[data_length++] = y2 & 0xff; } + // Quirk for SH1107 "column_and_page_addressing" + // Page address command = 0xB0 + if (column_and_page_addressing) { + data[0] = 0xB0 | (y1 & 0x07); + data_length = 1; + } + self->send(self->bus, data_type, chip_select, data, data_length); + self->send(self->bus, data_type, chip_select, data, data_length); displayio_display_core_end_transaction(self);