[ci] Compile a project with FreeRTOS plus TCP

examples/nucleo_f103rb/freertos_plus_tcp/main.cpp

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+/*
+ * Copyright (c) 2014, Georgi Grinshpun
+ * Copyright (c) 2014, Sascha Schade
+ * Copyright (c) 2015-2017, 2019 Niklas Hauser
+ *
+ * This file is part of the modm project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+// ----------------------------------------------------------------------------
+
+#include <modm/board.hpp>
+#include <modm/processing/rtos.hpp>
+
+using namespace modm::platform;
+
+/**
+ * This example uses four threads to check if task switching works correctly.
+ *
+ * It also check if the FreeRTOS TCP stack can be compiled.
+ * No TCP functionality in this example (yet).
+ *
+ * What to expect?
+ * ---------------
+ * - All our LEDs blinking at different rates, about 3 to 4 Hz
+ * - A string at 115200 baud
+ *
+ *  0aA!1bB"2cC#3dD$4eE%5fF&6gG'7hH(8iI9)jJ0*aA1!bB2"cC
+ *
+ * Each thread prints out a sequence
+ *    0123456789
+ *    abcdefghij
+ *    ABCDEFGHIJ
+ *    !"#$%&'()*
+ * respectivly.
+ */
+
+// ----------------------------------------------------------------------------
+template <typename Gpio, int SleepTime>
+class P: modm::rtos::Thread
+{
+	char c;
+	uint8_t i = 0;
+	volatile float a = 10.f;
+public:
+	P(char c): Thread(2,1<<10), c(c) {}
+
+	void run()
+	{
+		Gpio::setOutput();
+		while (true)
+		{
+			sleep(SleepTime * MILLISECONDS);
+
+			Gpio::toggle();
+			{
+				static modm::rtos::Mutex lm;
+				modm::rtos::MutexGuard m(lm);
+				MODM_LOG_INFO << char(i + c);
+			}
+			i = (i+1)%10;
+			a *= 3.141f;
+		}
+	}
+};
+
+P< Board::LedD13, 260      > p1('0');
+P< Board::LedD13, 260 + 10 > p2('a');
+P< Board::LedD13, 260 + 20 > p3('A');
+P< Board::LedD13, 260 + 30 > p4('!');
+
+
+// ----------------------------------------------------------------------------
+int
+main()
+{
+	Board::initialize();
+	modm::rtos::Scheduler::schedule();
+	return 0;
+}

examples/nucleo_f103rb/freertos_plus_tcp/project.xml

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+<library>
+  <extends>modm:nucleo-f103rb</extends>
+  <options>
+    <option name="modm:build:build.path">../../../build/nucleo_f103rb/freertos_plus_tcp</option>
+  </options>
+  <modules>
+    <module>modm:processing:rtos</module>
+    <module>modm:freertos:tcp</module>
+    <module>modm:platform:heap</module>
+    <module>modm:build:scons</module>
+  </modules>
+</library>