From 0a92e6eb25b6b3dc13a6fbd0b6a3de4011920142 Mon Sep 17 00:00:00 2001
From: Arthur Lu <root@tronnet.net>
Date: Tue, 6 Feb 2024 23:08:07 -0800
Subject: [PATCH] initial commit testing build chain

---
 CMakeLists.txt        | 14 +++++++++
 Makefile              |  9 ++++++
 bmc.c                 | 16 ++++++++++
 pico_sdk_import.cmake | 73 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 112 insertions(+)
 create mode 100644 CMakeLists.txt
 create mode 100644 Makefile
 create mode 100644 bmc.c
 create mode 100644 pico_sdk_import.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..d22e531
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.13)
+include(pico_sdk_import.cmake)
+project(bmc)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+pico_sdk_init()
+add_executable(bmc
+  bmc.c
+)
+target_link_libraries(bmc
+  pico_stdlib
+  pico_cyw43_arch_none
+)
+pico_add_extra_outputs(bmc)
\ No newline at end of file
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..6210152
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,9 @@
+TOPTARGETS := all clean
+
+SUBDIRS := $(wildcard */.)
+
+$(TOPTARGETS): $(SUBDIRS)
+$(SUBDIRS):
+		$(MAKE) -C $@ $(MAKECMDGOALS)
+
+.PHONY: $(TOPTARGETS) $(SUBDIRS)
\ No newline at end of file
diff --git a/bmc.c b/bmc.c
new file mode 100644
index 0000000..808fd5b
--- /dev/null
+++ b/bmc.c
@@ -0,0 +1,16 @@
+#include "pico/stdlib.h"
+#include "pico/cyw43_arch.h"
+
+int main() {
+    stdio_init_all();
+    if (cyw43_arch_init()) {
+        printf("Wi-Fi init failed");
+        return -1;
+    }
+    while (true) {
+        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
+        sleep_ms(1000);
+        cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
+        sleep_ms(1000);
+    }
+}
\ No newline at end of file
diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake
new file mode 100644
index 0000000..65f8a6f
--- /dev/null
+++ b/pico_sdk_import.cmake
@@ -0,0 +1,73 @@
+# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
+
+# This can be dropped into an external project to help locate this SDK
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
+    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
+    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
+    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
+    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
+    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
+    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
+set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+
+if (NOT PICO_SDK_PATH)
+    if (PICO_SDK_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_SDK_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        # GIT_SUBMODULES_RECURSE was added in 3.17
+        if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG master
+                    GIT_SUBMODULES_RECURSE FALSE
+            )
+        else ()
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG master
+            )
+        endif ()
+
+        if (NOT pico_sdk)
+            message("Downloading Raspberry Pi Pico SDK")
+            FetchContent_Populate(pico_sdk)
+            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        message(FATAL_ERROR
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                )
+    endif ()
+endif ()
+
+get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_SDK_PATH})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
+endif ()
+
+set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
+if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
+endif ()
+
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
+
+include(${PICO_SDK_INIT_CMAKE_FILE})