Initial commit

arm7/source/errorDisplay/ErrorDisplay.cpp

@@ -0,0 +1,17 @@
+#include "common.h"
+#include <stdarg.h>
+#include <libtwl/i2c/i2cMcu.h>
+#include "ipc.h"
+#include "ipcCommands.h"
+#include "core/mini-printf.h"
+#include "ErrorDisplay.h"
+
+void ErrorDisplay::PrintError(const char* errorFormat, ...)
+{
+    va_list va;
+    va_start(va, errorFormat);
+    mini_vsnprintf((char*)0x02000000, 1024, errorFormat, va);
+    sendToArm9(IPC_COMMAND_ARM9_DISPLAY_ERROR);
+    va_end(va);
+    while (true);
+}

arm7/source/errorDisplay/ErrorDisplay.h

@@ -0,0 +1,11 @@
+#pragma once
+
+/// @brief Class for displaying critical errors on screen.
+class ErrorDisplay
+{
+public:
+    /// @brief Formats and sends a critical error message to the arm9 to display it on screen.
+    /// @note This function does not return.
+    /// @param errorFormat The error message to format.
+    void PrintError(const char* errorFormat, ...);
+};