1 files changed, 23 insertions, 7 deletions

diff --git a/shared-module/displayio/I2CDisplay.c b/shared-module/displayio/I2CDisplay.c
index 9d8949528..87261dca0 100644
--- a/shared-module/displayio/I2CDisplay.c
+++ b/shared-module/displayio/I2CDisplay.c
@@ -35,6 +35,7 @@
 #include "shared-bindings/digitalio/DigitalInOut.h"
 #include "shared-bindings/microcontroller/__init__.h"
 #include "shared-bindings/time/__init__.h"
+#include "shared-module/displayio/display_core.h"
 
 #include "tick.h"
 
@@ -55,14 +56,13 @@ void common_hal_displayio_i2cdisplay_construct(displayio_i2cdisplay_obj_t* self,
 
     self->address = device_address;
 
+    self->reset.base.type = &mp_type_NoneType;
     if (reset != NULL) {
+        self->reset.base.type = &digitalio_digitalinout_type;
         common_hal_digitalio_digitalinout_construct(&self->reset, reset);
         common_hal_digitalio_digitalinout_switch_to_output(&self->reset, true, DRIVE_MODE_PUSH_PULL);
         never_reset_pin_number(reset->number);
-
-        common_hal_digitalio_digitalinout_set_value(&self->reset, false);
-        common_hal_mcu_delay_us(1);
-        common_hal_digitalio_digitalinout_set_value(&self->reset, true);
+        common_hal_displayio_i2cdisplay_reset(self);
     }
 }
 
@@ -74,7 +74,19 @@ void common_hal_displayio_i2cdisplay_deinit(displayio_i2cdisplay_obj_t* self) {
     reset_pin_number(self->reset.pin->number);
 }
 
-bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) {
+bool common_hal_displayio_i2cdisplay_reset(mp_obj_t obj) {
+    displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj);
+    if (self->reset.base.type == &mp_type_NoneType) {
+        return false;
+    }
+
+    common_hal_digitalio_digitalinout_set_value(&self->reset, false);
+    common_hal_mcu_delay_us(4);
+    common_hal_digitalio_digitalinout_set_value(&self->reset, true);
+    return true;
+}
+
+bool common_hal_displayio_i2cdisplay_bus_free(mp_obj_t obj) {
     displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj);
     if (!common_hal_busio_i2c_try_lock(self->bus)) {
         return false;
@@ -82,9 +94,13 @@ bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) {
     return true;
 }
 
-void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, bool command, uint8_t *data, uint32_t data_length) {
+bool common_hal_displayio_i2cdisplay_begin_transaction(mp_obj_t obj) {
+    return common_hal_displayio_i2cdisplay_bus_free(obj);
+}
+
+void common_hal_displayio_i2cdisplay_send(mp_obj_t obj, display_byte_type_t data_type, display_chip_select_behavior_t chip_select, uint8_t *data, uint32_t data_length) {
     displayio_i2cdisplay_obj_t* self = MP_OBJ_TO_PTR(obj);
-    if (command) {
+    if (data_type == DISPLAY_COMMAND) {
         uint8_t command_bytes[2 * data_length];
         for (uint32_t i = 0; i < data_length; i++) {
             command_bytes[2 * i] = 0x80;