[example] Add F746 TMP102 example

examples/stm32f746g_discovery/tmp102/main.cpp

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2014, Sascha Schade
+ * Copyright (c) 2014-2017, 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/timer.hpp>
+#include <modm/processing/protothread.hpp>
+#include <modm/driver/temperature/tmp102.hpp>
+
+typedef I2cMaster1 MyI2cMaster;
+
+
+class ThreadOne : public modm::pt::Protothread
+{
+public:
+	ThreadOne()
+	:	temp(temperatureData, 0x48)
+	{
+	}
+
+	bool
+	update()
+	{
+		temp.update();
+
+		PT_BEGIN();
+
+		// ping the device until it responds
+		while(true)
+		{
+			// we wait until the task started
+			if (PT_CALL(temp.ping()))
+				break;
+			// otherwise, try again in 100ms
+			this->timeout.restart(100);
+			PT_WAIT_UNTIL(this->timeout.isExpired());
+		}
+
+
+		PT_CALL(temp.setUpdateRate(200));
+		PT_CALL(temp.enableExtendedMode());
+
+		PT_CALL(temp.configureAlertMode(
+				modm::tmp102::ThermostatMode::Comparator,
+				modm::tmp102::AlertPolarity::ActiveLow,
+				modm::tmp102::FaultQueue::Faults6));
+		PT_CALL(temp.setLowerLimit(28.f));
+		PT_CALL(temp.setUpperLimit(30.f));
+
+		while (true)
+		{
+			{
+				PT_CALL(temp.readComparatorMode(result));
+				float temperature = temperatureData.getTemperature();
+				uint8_t tI = (int) temperature;
+				uint16_t tP = (temperature - tI) * 10000;
+				MODM_LOG_INFO << "T= " << tI << ".";
+				if (tP == 0)
+				{
+					MODM_LOG_INFO << "0000 C";
+				}
+				else if (tP == 625)
+				{
+					MODM_LOG_INFO << "0" << tP << " C";
+				}
+				else
+				{
+					MODM_LOG_INFO << tP << " C";
+				}
+				if (result) { MODM_LOG_INFO << " Heat me up!"; }
+				MODM_LOG_INFO << modm::endl;
+			}
+			this->timeout.restart(200);
+			PT_WAIT_UNTIL(this->timeout.isExpired());
+			Board::LedD13::toggle();
+		}
+
+		PT_END();
+	}
+
+private:
+	bool result;
+	modm::ShortTimeout timeout;
+	modm::tmp102::Data temperatureData;
+	modm::Tmp102<MyI2cMaster> temp;
+};
+
+ThreadOne one;
+
+// ----------------------------------------------------------------------------
+int
+main()
+{
+	Board::initialize();
+	Board::LedD13::setOutput(modm::Gpio::Low);
+
+	MyI2cMaster::connect<Board::D14::Sda, Board::D15::Scl>();
+	MyI2cMaster::initialize<Board::systemClock, 400'000>();
+
+	MODM_LOG_INFO << "\n\nRESTART\n\n";
+
+	while (1)
+	{
+		one.update();
+	}
+
+	return 0;
+}

examples/stm32f746g_discovery/tmp102/project.xml

@@ -0,0 +1,13 @@
+<library>
+  <extends>modm:board:disco-f746ng</extends>
+  <options>
+    <option name=":build:build.path">../../../build/stm32f746g_discovery/tmp102</option>
+  </options>
+  <modules>
+    <module>:driver:tmp102</module>
+    <module>:io</module>
+    <module>:platform:i2c:1</module>
+    <module>:processing:protothread</module>
+    <module>:build:scons</module>
+  </modules>
+</library>