Project scaffold

.gitignore

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+build/
+sdkconfig
+sdkconfig.old

CMakeLists.txt

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+# For more information about build system see
+# https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
+# The following five lines of boilerplate have to be in your project's
+# CMakeLists in this exact order for cmake to work correctly
+cmake_minimum_required(VERSION 3.5)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(gay-ipod-fw)

main/CMakeLists.txt

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+idf_component_register(SRCS "gay-ipod-fw.c"
+                    INCLUDE_DIRS ".")

main/gay-ipod-fw.c

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+#include <stdio.h>
+
+void app_main(void)
+{
+
+}