🚀 (spikes): Add stl_cxxsupport spike

spikes/CMakeLists.txt

@@ -22,6 +22,8 @@ add_subdirectory(${SPIKES_DIR}/lk_file_manager)
 add_subdirectory(${SPIKES_DIR}/lk_sensors_touch)
 add_subdirectory(${SPIKES_DIR}/lk_sensors_temperature_humidity)
 
+add_subdirectory(${SPIKES_DIR}/stl_cxxsupport)
+
 add_custom_target(spikes_leka)
 add_dependencies( spikes_leka
 	spike_lk_ble
@@ -48,8 +50,14 @@ add_dependencies( spikes_mbed
 	spike_mbed_watchdog_ticker_vs_thread
 )
 
+add_custom_target(spikes_stl)
+add_dependencies( spikes_stl
+	spike_stl_cxxsupport
+)
+
 add_custom_target(spikes)
 add_dependencies(spikes
 	spikes_leka
 	spikes_mbed
+	spikes_stl
 )

spikes/stl_cxxsupport/CMakeLists.txt

@@ -0,0 +1,17 @@
+# Leka - LekaOS
+# Copyright 2021 APF France handicap
+# SPDX-License-Identifier: Apache-2.0
+
+add_mbed_executable(spike_stl_cxxsupport)
+
+target_include_directories(spike_stl_cxxsupport
+	PRIVATE
+		.
+)
+
+target_sources(spike_stl_cxxsupport
+	PRIVATE
+		main.cpp
+)
+
+target_link_custom_leka_targets(spike_stl_cxxsupport)

spikes/stl_cxxsupport/main.cpp

@@ -0,0 +1,88 @@
+// Leka - LekaOS
+// Copyright 2021 APF France handicap
+// SPDX-License-Identifier: Apache-2.0
+
+#include <lstd_array>
+#include <lstd_span>
+
+#include "drivers/BufferedSerial.h"
+#include "rtos/ThisThread.h"
+
+#include "HelloWorld.h"
+#include "LogKit.h"
+
+using namespace leka;
+using namespace std::chrono;
+
+void foo(lstd::span<int> span)
+{
+	log_info("from foo! span size: %i", span.size());
+	for (const auto &v: span) {
+		log_info("v: %i", v);
+	}
+}
+
+int main(void)
+{
+	static auto serial = mbed::BufferedSerial(USBTX, USBRX, 115200);
+	leka::logger::set_print_function([](const char *str, size_t size) { serial.write(str, size); });
+
+	log_info("Hello, World!\n");
+
+	rtos::ThisThread::sleep_for(2s);
+
+	auto hello = HelloWorld();
+	hello.start();
+
+	//
+	// MARK: - lstd::to_array
+	//
+
+	log_info("Create array with lstd::to_array");
+
+	auto arr = lstd::to_array({1, 2, 3, 4});
+
+	for (const auto &v: arr) {
+		log_info("v: %i", v);
+	}
+
+	//
+	// MARK: - lstd::span
+	//
+
+	log_info("Pass std::array to lstd::span");
+
+	foo(arr);
+
+	log_info("Create span from array, auto deduce size");
+
+	auto span0 = lstd::span {arr};
+
+	for (const auto &v: span0) {
+		log_info("v: %i", v);
+	}
+
+	foo(span0);
+
+	log_info("Create span from begin pointer and size");
+
+	auto span1 = lstd::span {arr.begin(), 3};
+
+	for (const auto &v: span1) {
+		log_info("v: %i", v);
+	}
+
+	foo(span1);
+
+	log_info("Create span from specific i-th element and size - i");
+
+	auto span2 = lstd::span {arr.begin() + 2, arr.size() - 2};
+
+	for (const auto &v: span2) {
+		log_info("v: %i", v);
+	}
+
+	foo(span2);
+
+	return 1;
+}