feat(cardputerzero): adapt Cardputer Zero

apps/linux_cardputer_zero/src/cardputer_zero_main.cpp

@@ -0,0 +1,55 @@
+#include <chrono>
+#include <cstdio>
+#include <cstdlib>
+#include <exception>
+#include <string>
+
+#include "platform/device/linux_framebuffer_platform.h"
+#include "ui/shell_ui_runner.h"
+
+namespace
+{
+
+std::string framebuffer_path()
+{
+    if (const char* env = std::getenv("TRAIL_MATE_FRAMEBUFFER"))
+    {
+        if (env[0] != '\0')
+        {
+            return env;
+        }
+    }
+    return "/dev/fb0";
+}
+
+std::chrono::milliseconds auto_exit_after()
+{
+    if (const char* env = std::getenv("TRAIL_MATE_AUTO_EXIT_MS"))
+    {
+        if (env[0] != '\0')
+        {
+            return std::chrono::milliseconds(std::strtoul(env, nullptr, 10));
+        }
+    }
+    return std::chrono::milliseconds::zero();
+}
+
+} // namespace
+
+int main()
+{
+    try
+    {
+        trailmate::cardputer_zero::platform::device::LinuxFramebufferPlatform
+            presenter(framebuffer_path());
+        trailmate::cardputer_zero::linux_ui::runShellUi(
+            presenter,
+            auto_exit_after());
+        return 0;
+    }
+    catch (const std::exception& error)
+    {
+        std::fprintf(stderr, "trailmate-cardputer-zero: %s\n", error.what());
+        return 1;
+    }
+}