diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp
index 6e5d13b1..e42592e6 100644
--- a/src/drivers/St7789.cpp
+++ b/src/drivers/St7789.cpp
@@ -29,27 +29,27 @@ void St7789::Init() {
   DisplayOn();
 }
 
-void St7789::EnableDataMode(bool isStart) {
-  if (isStart) {
-    nrf_gpio_pin_set(pinDataCommand);
-  }
-}
-
-void St7789::EnableCommandMode(bool isStart) {
-  if (isStart) {
-    nrf_gpio_pin_clear(pinDataCommand);
-  }
-}
-
 void St7789::WriteData(uint8_t data) {
-  WriteSpi(&data, 1, [this](bool isStart) {
-    EnableDataMode(isStart);
+  WriteData(&data, 1);
+}
+
+void St7789::WriteData(const uint8_t* data, size_t size) {
+  WriteSpi(data, size, [pinDataCommand = pinDataCommand](bool isStart) {
+    if (isStart) {
+      nrf_gpio_pin_set(pinDataCommand);
+    }
   });
 }
 
-void St7789::WriteCommand(uint8_t cmd) {
-  WriteSpi(&cmd, 1, [this](bool isStart) {
-    EnableCommandMode(isStart);
+void St7789::WriteCommand(uint8_t data) {
+  WriteCommand(&data, 1);
+}
+
+void St7789::WriteCommand(const uint8_t* data, size_t size) {
+  WriteSpi(data, size, [pinDataCommand = pinDataCommand](bool isStart) {
+    if (isStart) {
+      nrf_gpio_pin_clear(pinDataCommand);
+    }
   });
 }
 
@@ -138,9 +138,7 @@ void St7789::SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
 
 void St7789::WriteToRam(const uint8_t* data, size_t size) {
   WriteCommand(static_cast<uint8_t>(Commands::WriteToRam));
-  WriteSpi(data, size, [this](bool isStart) {
-    EnableDataMode(isStart);
-  });
+  WriteData(data, size);
 }
 
 void St7789::SetVdv() {
diff --git a/src/drivers/St7789.h b/src/drivers/St7789.h
index 0c73f77e..5eb60cfd 100644
--- a/src/drivers/St7789.h
+++ b/src/drivers/St7789.h
@@ -46,9 +46,8 @@ namespace Pinetime {
       void SetAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
       void SetVdv();
       void WriteCommand(uint8_t cmd);
+      void WriteCommand(const uint8_t* data, size_t size);
       void WriteSpi(const uint8_t* data, size_t size, std::function<void(bool)> TransactionHook);
-      void EnableDataMode(bool isStart);
-      void EnableCommandMode(bool isStart);
 
       enum class Commands : uint8_t {
         SoftwareReset = 0x01,
@@ -68,6 +67,7 @@ namespace Pinetime {
         VdvSet = 0xc4,
       };
       void WriteData(uint8_t data);
+      void WriteData(const uint8_t* data, size_t size);
       void ColumnAddressSet();
 
       static constexpr uint16_t Width = 240;