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Documenation: migrate XMC4

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=============
XMC4500 Relax
=============
There are to variants of this board: There is a Lite version
that has fewer features, for example, no 32.768KHz crystal.
The current configurations support only the Lite version of the board.
Status
======
2017-03-21: The XMC4500 Relax boots into NSH, provides the NSH prompt,
and the LEDs are working. But there is a problem with serial input.
The most likely reason for this is there are no serial RX interripts.
Serial Console
==============
Be default, UART0 (aka, USIC0, channel 0) is used as the serial console.
The RX and TX pins is available::
RX - P1.4, Connector X2, pin 17
TX - P1.5, Connector X2, pin 16
GND - Available on pins 1-4 of either connector X1 or X2
VDD3.3 - Available on pins 37-38 of either connector X1 or X2
VDD5 - Available on pins 39-40 of either connector X1 or X2
A TTL to RS-232 converter or a USB TTL-to-USB serial adaptor is required.
The notion of what is TX and what is RX depends on your point of view.
With the TTL to RS-232 converter, I connect pin 17 to the pin labeled
TX on the converter and pin 16 to the RX pin on the converter.
LEDs
====
The XMC4500 Relax Lite v1 board has two LEDs::
LED1 P1.1 High output illuminates
LED2 P1.0 High output illuminates
If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
any way. The definitions provided in the board.h header file can be used
to access individual LEDs.
These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
defined. In that case, the usage by the board port is defined in
include/board.h and src/sam_autoleds.c. The LEDs are used to encode
OS-related events as follows:
================== ======================== ====== ========
SYMBOL Meaning LED1 LED2
================== ======================== ====== ========
LED_STARTED NuttX has been started OFF OFF
LED_HEAPALLOCATE Heap has been allocated OFF OFF
LED_IRQSENABLED Interrupts enabled OFF OFF
LED_STACKCREATED Idle stack created ON OFF
LED_INIRQ In an interrupt N/C N/C
LED_SIGNAL In a signal handler N/C N/C
LED_ASSERTION An assertion failed N/C N/C
LED_PANIC The system has crashed N/C Blinking
LED_IDLE MCU is is sleep mode N/C N/C
================== ======================== ====== ========
Thus if LED1 is statically on, NuttX has successfully booted and is,
apparently, running normally. If LED2 is flashing at approximately
2Hz, then a fatal error has been detected and the system has halted.
Buttons
=======
The XMC4500 Relax Lite v1 board has two buttons::
BUTTON1 P1.14 Low input sensed when button pressed
BUTTON2 P1.15 Low input sensed when button pressed
Configurations
==============
Information Common to All Configurations
----------------------------------------
Each XMC4500 Relax configuration is maintained in a sub-directory and
can be selected as follow::
.tools/configure.sh xmc4500-relax:<subdir>
See '.tools/configure.sh -h' for a list of all options. The most typical
are -l to select the Linux host or -c to select the Windows Cygwin host.
Before starting the build, make sure that your PATH environment variable
includes the correct path to your toolchain.
And then build NuttX by simply typing the following. At the conclusion of
the make, the nuttx binary will reside in an ELF file called, simply, nuttx::
make
The <subdir> that is provided above as an argument to the tools/configure.sh
must be is one of the following.
NOTES:
1. These configurations use the mconf-based configuration tool. To
change any of these configurations using that tool, you should:
a. Build and install the kconfig-mconf tool. See nuttx/README.txt
see additional README.txt files in the NuttX tools repository.
b. Execute 'make menuconfig' in nuttx/ in order to start the
reconfiguration process.
2. Unless stated otherwise, all configurations generate console
output on UART0 (aka USIC0, channel 0) as described above under
"Serial Console". The relevant configuration settings are listed
below::
CONFIG_XMC4_USIC0=y
CONFIG_XMC4_USIC0_CHAN0_ISUART=y
CONFIG_XMC4_USIC0_CHAN1_NONE=y
CONFIG_UART0_SERIALDRIVER=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_UART0_RXBUFSIZE=256
CONFIG_UART0_TXBUFSIZE=256
CONFIG_UART0_BAUD=115200
CONFIG_UART0_BITS=8
CONFIG_UART0_PARITY=0
CONFIG_UART0_2STOP=0
3. All of these configurations are set up to build under Windows using
the "GNU Tools for ARM Embedded Processors" that is maintained by
ARM (unless stated otherwise in the description of the configuration).
https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
That toolchain selection can easily be reconfigured using
'make menuconfig'. Here are the relevant current settings:
Build Setup::
CONFIG_HOST_WINDOWS=y : Window environment
CONFIG_WINDOWS_CYGWIN=y : Cywin under Windows
System Type -> Toolchain::
CONFIG_ARM_TOOLCHAIN_GNU_EABI=y : GNU ARM EABI toolchain
Configuration sub-directories
-----------------------------
nsh:
----
Configures the NuttShell (nsh) located at examples/nsh. This
configuration is focused on low level, command-line driver testing. It
has no network.
NOTES:
1. NSH built-in applications are supported.
Binary Formats::
CONFIG_BUILTIN=y : Enable support for built-in programs
Application Configuration::
CONFIG_NSH_BUILTIN_APPS=y : Enable starting apps from NSH command line
SPI
===
Using MAX6675 Thermocouple
--------------------------
There is a board support to use a MAX6675 connected to SPI2. In other to use
it you need to enable these options::
CONFIG_XMC4_USIC=y
CONFIG_XMC4_USCI_UART=y
CONFIG_XMC4_USCI_SPI=y
CONFIG_XMC4_SPI2=y
CONFIG_XMC4_USIC1=y
CONFIG_XMC4_USIC1_CHAN0_ISSPI=y
CONFIG_XMC4_USIC1_CHAN1_ISUART=y
CONFIG_UART3_SERIAL_CONSOLE=y
CONFIG_SENSORS_MAX6675=y
These are the used SPI pins: SCLK = P0.11, MISO = P0.4 and CS = P0.2

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==============
XMC4700 Relax
==============
The directory provides board support for the Infineon XMC4700 Relax Kit.
Status
======
2020-03-21: The XMC4700 Relax boots into NSH, provides the NSH prompt, and the LEDs are working.

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================
Infineon XMC4000
================
Supported MCUs
==============
The following list includes MCUs from XMC4 series and indicates whether they are supported in NuttX
======= ======= ============== =================
MCU Support Core Frequency
======= ======= ============== =================
XMC4100 No Cortex-M4F 80MHz
XMC4200 No Cortex-M4F 80MHz
XMC4300 No Cortex-M4F 144MHz
XMC4400 No Cortex-M4F 120MHz
XMC4500 Yes Cortex-M4F 120MHz
XMC4700 Yes Cortex-M4F 144MHz
XMC4800 Yes Cortex-M4F 120MHz
======= ======= ============== =================
Peripheral Support
==================
Supported Boards
================
.. toctree::
:glob:
:maxdepth: 1
boards/*/*

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boards/arm/xmc4/xmc4500-relax/README.txt
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README for the XMC4500 Relax
============================
The directory provides board support for the Infineon XMC4500 Relax v1
boards. There are to variants of this board: There is a Lite version
that has fewer features, for example, no 32.768KHz crystal.
The current configurations support only the Lite version of the board.
Status
======
2017-03-21: The XMC4500 Relax boots into NSH, provides the NSH prompt,
and the LEDs are working. But there is a problem with serial input.
The most likely reason for this is there are no serial RX interripts.
Serial Console
==============
Be default, UART0 (aka, USIC0, channel 0) is used as the serial console.
The RX and TX pins is available:
RX - P1.4, Connector X2, pin 17
TX - P1.5, Connector X2, pin 16
GND - Available on pins 1-4 of either connector X1 or X2
VDD3.3 - Available on pins 37-38 of either connector X1 or X2
VDD5 - Available on pins 39-40 of either connector X1 or X2
A TTL to RS-232 converter or a USB TTL-to-USB serial adaptor is required.
The notion of what is TX and what is RX depends on your point of view.
With the TTL to RS-232 converter, I connect pin 17 to the pin labeled
TX on the converter and pin 16 to the RX pin on the converter.
LEDs
====
The XMC4500 Relax Lite v1 board has two LEDs:
LED1 P1.1 High output illuminates
LED2 P1.0 High output illuminates
If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in
any way. The definitions provided in the board.h header file can be used
to access individual LEDs.
These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
defined. In that case, the usage by the board port is defined in
include/board.h and src/sam_autoleds.c. The LEDs are used to encode
OS-related events as follows:
SYMBOL Meaning LED state
LED1 LED2
------------------ ------------------------ ------ ------
LED_STARTED NuttX has been started OFF OFF
LED_HEAPALLOCATE Heap has been allocated OFF OFF
LED_IRQSENABLED Interrupts enabled OFF OFF
LED_STACKCREATED Idle stack created ON OFF
LED_INIRQ In an interrupt No change
LED_SIGNAL In a signal handler No change
LED_ASSERTION An assertion failed No change
LED_PANIC The system has crashed N/C Blinking
LED_IDLE MCU is is sleep mode Not used
Thus if LED1 is statically on, NuttX has successfully booted and is,
apparently, running normally. If LED2 is flashing at approximately
2Hz, then a fatal error has been detected and the system has halted.
Buttons
=======
The XMC4500 Relax Lite v1 board has two buttons:
BUTTON1 P1.14 Low input sensed when button pressed
BUTTON2 P1.15 Low input sensed when button pressed
Configurations
==============
Information Common to All Configurations
----------------------------------------
Each XMC4500 Relax configuration is maintained in a sub-directory and
can be selected as follow:
.tools/configure.sh xmc5400-relax:<subdir>
See '.tools/configure.sh -h' for a list of all options. The most typical
are -l to select the Linux host or -c to select the Windows Cygwin host.
Before starting the build, make sure that your PATH environment variable
includes the correct path to your toolchain.
And then build NuttX by simply typing the following. At the conclusion of
the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
make
The <subdir> that is provided above as an argument to the tools/configure.sh
must be is one of the following.
NOTES:
1. These configurations use the mconf-based configuration tool. To
change any of these configurations using that tool, you should:
a. Build and install the kconfig-mconf tool. See nuttx/README.txt
see additional README.txt files in the NuttX tools repository.
b. Execute 'make menuconfig' in nuttx/ in order to start the
reconfiguration process.
2. Unless stated otherwise, all configurations generate console
output on UART0 (aka USIC0, channel 0) as described above under
"Serial Console". The relevant configuration settings are listed
below:
CONFIG_XMC4_USIC0=y
CONFIG_XMC4_USIC0_CHAN0_ISUART=y
CONFIG_XMC4_USIC0_CHAN1_NONE=y
CONFIG_UART0_SERIALDRIVER=y
CONFIG_UART0_SERIAL_CONSOLE=y
CONFIG_UART0_RXBUFSIZE=256
CONFIG_UART0_TXBUFSIZE=256
CONFIG_UART0_BAUD=115200
CONFIG_UART0_BITS=8
CONFIG_UART0_PARITY=0
CONFIG_UART0_2STOP=0
3. All of these configurations are set up to build under Windows using
the "GNU Tools for ARM Embedded Processors" that is maintained by
ARM (unless stated otherwise in the description of the configuration).
https://developer.arm.com/open-source/gnu-toolchain/gnu-rm
That toolchain selection can easily be reconfigured using
'make menuconfig'. Here are the relevant current settings:
Build Setup:
CONFIG_HOST_WINDOWS=y : Window environment
CONFIG_WINDOWS_CYGWIN=y : Cywin under Windows
System Type -> Toolchain:
CONFIG_ARM_TOOLCHAIN_GNU_EABI=y : GNU ARM EABI toolchain
Configuration sub-directories
-----------------------------
nsh:
Configures the NuttShell (nsh) located at examples/nsh. This
configuration is focused on low level, command-line driver testing. It
has no network.
NOTES:
1. NSH built-in applications are supported.
Binary Formats:
CONFIG_BUILTIN=y : Enable support for built-in programs
Application Configuration:
CONFIG_NSH_BUILTIN_APPS=y : Enable starting apps from NSH command line
SPI
===
Using MAX6675 Thermocouple
--------------------------
There is a board support to use a MAX6675 connected to SPI2. In other to use
it you need to enable these options:
CONFIG_XMC4_USIC=y
CONFIG_XMC4_USCI_UART=y
CONFIG_XMC4_USCI_SPI=y
CONFIG_XMC4_SPI2=y
CONFIG_XMC4_USIC1=y
CONFIG_XMC4_USIC1_CHAN0_ISSPI=y
CONFIG_XMC4_USIC1_CHAN1_ISUART=y
CONFIG_UART3_SERIAL_CONSOLE=y
CONFIG_SENSORS_MAX6675=y
These are the used SPI pins: SCLK = P0.11, MISO = P0.4 and CS = P0.2

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boards/arm/xmc4/xmc4700-relax/README.txt
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@ -1,10 +0,0 @@
README for the XMC4700 Relax
============================
The directory provides board support for the Infineon XMC4700 Relax Kit.
Status
======
2020-03-21: The XMC4700 Relax boots into NSH, provides the NSH prompt,
and the LEDs are working.