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Set default MagTag SSD1680 colstart to 8 instead of 0 #10831

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dhalbert wants to merge 1 commit into from
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Set default MagTag SSD1680 colstart to 8 instead of 0 #10831

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9 changes: 9 additions & 0 deletions ports/espressif/boards/adafruit_magtag_2.9_grayscale/board.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@
#include "shared-bindings/fourwire/FourWire.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "shared-module/displayio/__init__.h"
#include "shared-module/os/__init__.h"

#include "supervisor/shared/board.h"

#include "esp_log.h"
Expand Down Expand Up @@ -218,6 +220,13 @@ void board_init(void) {

if (is_ssd1680) {
epaperdisplay_construct_args_t args = EPAPERDISPLAY_CONSTRUCT_ARGS_DEFAULTS;

// Newer SSD1680 MagTags need a colstart of 8. Older ones need 0.
mp_int_t colstart = 8;
// If the value is in settings.toml, it will be set.
(void)common_hal_os_getenv_int("CIRCUITPY_MAGTAG_SSD1680_COLSTART", &colstart);
args.colstart = (int16_t)colstart;

args.bus = bus;
args.start_sequence = ssd1680_display_start_sequence;
args.start_sequence_len = sizeof(ssd1680_display_start_sequence);
Expand Down