[examples] Add TLC594x Blue Pill example

examples/README.md

@@ -94,7 +94,7 @@ make gdb
 
 ## Interesting Examples
 
-We have a lot of examples, <!--examplecount-->190<!--/examplecount--> to be
+We have a lot of examples, <!--examplecount-->191<!--/examplecount--> to be
 exact, but here are some of our favorite examples for our supported development
 boards:
 

examples/stm32f103c8t6_blue_pill/tlc594x/main.cpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2019, Linas Nikiperavicius
+ *
+ * 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/driver/pwm/tlc594x.hpp>
+
+using namespace Board;
+
+/*
+ * Turns on each TLC594* output in ascending order.
+ * Each output is active for 500 milliseconds.
+ */
+
+#define CHANNELS 24
+
+modm::TLC594X< CHANNELS, SpiMaster1, GpioA4, GpioA3 > tlc594x;
+
+int
+main()
+{
+	Board::initialize();
+
+	SpiMaster1::connect< GpioA5::Sck, GpioA7::Mosi > ();
+	SpiMaster1::initialize< Board::SystemClock, 1125_kBd>();
+
+	tlc594x.initialize(0, -1, true, false, true);
+
+	while (true)
+	{
+		for (uint16_t i = 0; i < CHANNELS; ++i)
+		{
+			tlc594x.setAllChannels(0x000);
+			tlc594x.setChannel(i, 0xfff);
+			RF_CALL_BLOCKING(tlc594x.writeChannels());
+
+			modm::delayMilliseconds(500);
+		}
+	}
+
+	return 0;
+}

examples/stm32f103c8t6_blue_pill/tlc594x/openocd.cfg

@@ -0,0 +1,2 @@
+# Replace this with your custom programmer
+source [find interface/stlink-v2.cfg]

examples/stm32f103c8t6_blue_pill/tlc594x/project.xml

@@ -0,0 +1,12 @@
+<library>
+	<extends>modm:blue-pill</extends>
+	<options>
+		<option name="modm:build:build.path">../../../build/stm32f103c8t6_blue_pill/tlc594x</option>
+		<option name="modm:build:openocd.cfg">openocd.cfg</option>
+	</options>
+	<modules>
+		<module>modm:platform:spi:1</module>
+		<module>modm:driver:tlc594x</module>
+		<module>modm:build:scons</module>
+	</modules>
+</library>