STM32: Added preliminary xml device file for STM32F407/405

Still needs a lot more information, but right now the goal
is to be able to compile the STM32F4 Discovery blink example.

src/xpcc/architecture/platform/xml/stm32/stm32f40.xml

@@ -0,0 +1,61 @@
+<?xml version='1.0' encoding='UTF-8' ?>
+<!DOCTYPE rca SYSTEM "../devicefile.dtd">
+<rca version="1.0">
+	<device platform="stm32" family="f4" name="407|405"> <!-- FIXME: "name" does not sound quite right -->
+		<!-- _flash_, _pin-count-, _define_, -core_ and _peripheral nodes
+		     accept pin-id/size-id properties if they only apply to a specific
+		     size/pin id
+		     Furthermore for _define_, _peripheral_ and _gpio_
+		     nodes you can use the pin-copunt property if they are only
+		     available on a device with a specific pin count. Add a _+_
+		     to mean "and more" / a _-_ to mean "and less"
+		-->
+		<!-- Flash and RAM sizes -->
+		<flash size-id="e">524288</flash>
+		<flash size-id="g">1048576</flash>
+		<ram>114688</ram>	<!--Missing id => applies to all devices-->
+		<!-- Number of pins -->
+		<pin-count pin-id="r">64</pin-count>
+		<pin-count pin-id="v">100</pin-count>
+		<pin-count pin-id="z">144</pin-count>
+		<pin-count pin-id="i">176</pin-count>
+		<!-- Cpp Defines -->
+		<define>__STM32F407__</define>
+		<define>__ARM_STM32__</define>
+		<define>STM32F4XX</define>
+		<define size-id="e">STM32F407xE</define> <!-- Defines can depend on pin/size ids-->
+		<!-- TODO: add linkerscript -->
+		<!-- Core Driver -->
+		<core>cortex-m4</core>
+		<!-- Peripheral Drivers -->
+		<peripheral type="clock" name="stm32" />
+		<peripheral type="gpio" name="stm32_af">
+			<!-- separate field for port and id are needed because
+			     e.g. on the lpc platform both are a number -->
+			<gpio port="A" id="0" analog="Adc0,Adc1,Adc2">
+				<!-- This makes the GPIO connect to all peripheral drivers
+				     of a certain kind. For example Uart as well as UartHAL
+				     driver for the stm32 platform are both of the type uart
+				     and thus use the same alternate function -->
+				<af peripheral-type="timer" peripheral-id="2">1</af>
+				<af peripheral-type="timer" peripheral-id="5">2</af>
+				<af peripheral-type="timer" peripheral-id="8">3</af>
+				<!-- According to the development summit 2012 the driver
+				     directory is call uard thus the type will always be
+				     called uart and never usart! -->
+				<af peripheral-type="uart" peripheral-id="2">7</af>
+				<af peripheral-type="uart" peripheral-id="4">8</af>
+			</gpio>
+			<!-- For this proof of concept af, as well as analog are not
+			     evaluated
+			     TODO: add alternate functions as well as analog input connections -->
+			<gpio port="A" id="9"></gpio>
+			<!-- PD5 is only available on devices with 90 pins or more -->
+			<gpio port="D" id="5" pin-count="90+"></gpio>
+			<gpio port="D" id="12" pin-count="90+"></gpio>
+			<gpio port="D" id="13" pin-count="100+"></gpio>
+			<gpio port="D" id="14" pin-count="90+"></gpio>
+			<gpio port="D" id="15" pin-count="90+"></gpio>
+		</peripheral>
+	</device>
+</rca>