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nuttx/configs/zp214xpa/README.txt
Gregory Nutt f8024cf409 More trailing whilespace removal
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zp214xpa README FILE
====================
The ZP213X/4XPA board from the0.net with LPC2148 installed.
Includes support for the UG-2864AMBAG01 OLED from The0.net.
Contents
========
o MCU Connections
o Serial Console
o Using OpenOCD and GDB with an FT2232 JTAG emulator
o Configurations
MCU Connections:
================
The ZP213X/4XPA board is no more than an LPC2148, crystals,
USB device and several connectors.
Module Socket:
--------------
PIN NAME PIN NAME
1 VBAT 56 VCC
2 3V3 55 Vusb
3 VREF 54 3V3
4 P0.0 53 RESET
5 P0.1 52 P1.31
6 P0.2 51 P1.30
7 P0.3 50 P1.29
8 P0.4 49 P1.28
9 P0.5 48 P1.27
10 P0.6 47 P1.26
11 P0.7 46 P1.25
12 P0.8 45 P1.24
13 P0.9 44 P1.23
14 P0.10 43 P1.22
15 P0.11 42 P1.21
16 P0.12 41 P1.20
17 P0.13 40 P1.19
18 P0.14 39 P1.18
19 P0.15 38 P1.17
20 P0.16 37 P1.16
21 P0.17 36 P0.31
22 P0.18 35 P0.30
23 P0.19 34 P0.29
24 P0.20 33 P0.28
25 P0.21 32 P0.27
26 P0.22 31 P0.26
27 P0.23 30 P0.25
28 GND 29 GND
JTAG Debug:
-----------
PIN NAME PIN NAME
1 VCC1 2 3V3
3 P1.31 NTRST 4 GND
5 P1.28 TDI 6 GND
7 P1.30 TMS 8 GND
9 P1.29 TCK 10 GND
11 P1.26 RTCK 12 GND
13 P1.27 TDO 14 GND
15 RESET NRTS 16 GND
17 N/C NC0 18 GND
19 N/C NC1 20 GND
Z28160 Net Module:
------------------
PIN NAME PIN NAME
1 P0.7 /CS 10 3V3 VCC
2 P0.4 SCK 9 P1.24 RST
3 P0.6 SI 8 N/C CLKOUT
4 P0.5 SO 7 INT P1.25
5 GND 6 N/C WOL
SPI LCD:
--------
PIN NAME
1 3V3 3V3
2 VCC 5V
3 P0.18 RESET(DO)
4 P0.19 DI
5 P0.20 CS
6 P0.17 SCK
7 P0.23 A0(RESET)
8 N/C LED-
9 N/C LED+(BL)
10 GND GND
USB Interface:
--------------
Vusb, P0.26, P0.27
Serial Console:
===============
Both UART0 and UART1 are always enabled. UART0 is configured to be the
serial console in these configurations.
P0.0/TXD0/PWM1 Module Socket, Pin 4
P0.1/RxD0/PWM3/EINT0 Module Socket, Pin 5
P0.8/TXD1/PWM4/AD1.1 Module Socket, Pin 12
P0.9/RxD1/PWM6/EINT3 Module Socket, Pin 13
LCD Interface
=============
PIN NAME PIN CONFIGURATION
3 RESET P0.18/CAP1.3/MISO1/MAT1.3P0.18 RESET - General purpose output
4 DI P0.19/MAT1.2/MOSI1/CAP1.2P0.19 DI - Alternate function 2
5 CS P0.20/MAT1.3/SSEL1/EINT3 - General purpose output
6 SCK P0.17/CAP1.2/SCK1/MAT1.2 - Alternate function 2
7 A0 P0.23/VBUS - General purpose output
ENC29J60 Interface
==================
PIN NAME PIN CONFIGURATION
1 /CS P0.7/SSEL0/PWM2/EINT2 - General purpose output
2 SCK P0.4/SCK0/CAP0.1/AD0.6 - Alternate function 1
3 SI P0.6/MOSI0/CAP0.2/AD1.0 - Alternate function 1
4 SO P0.5/MISO0/MAT0.1/AD0.7 - Alternate function 1
7 INT P1.25/EXTIN0 - Alternal function 1
9 RST P1.24/TRACECLK - General purpose output
Using OpenOCD and GDB with an FT2232 JTAG emulator
==================================================
Downloading OpenOCD
You can get information about OpenOCD here: http://openocd.berlios.de/web/
and you can download it from here. http://sourceforge.net/projects/openocd/files/.
To get the latest OpenOCD with more mature lpc214x, you have to download
from the GIT archive.
git clone git://openocd.git.sourceforge.net/gitroot/openocd/openocd
At present, there is only the older, frozen 0.4.0 version. These, of course,
may have changed since I wrote this.
Building OpenOCD under Cygwin:
You can build OpenOCD for Windows using the Cygwin tools. Below are a
few notes that worked as of November 7, 2010. Things may have changed
by the time you read this, but perhaps the following will be helpful to
you:
1. Install Cygwin (http://www.cygwin.com/). My recommendation is to install
everything. There are many tools you will need and it is best just to
waste a little disk space and have everthing you need. Everything will
require a couple of gigbytes of disk space.
2. Create a directory /home/OpenOCD.
3. Get the FT2232 drivr from http://www.ftdichip.com/Drivers/D2XX.htm and
extract it into /home/OpenOCD/ftd2xx
$ pwd
/home/OpenOCD
$ ls
CDM20802 WHQL Certified.zip
$ mkdir ftd2xx
$ cd ftd2xx
$ unzip ..CDM20802\ WHQL\ Certified.zip
Archive: CDM20802 WHQL Certified.zip
...
3. Get the latest OpenOCD source
$ pwd
/home/OpenOCD
$ git clone git://openocd.git.sourceforge.net/gitroot/openocd/openocd
You will then have the source code in /home/OpenOCD/openocd
4. Build OpenOCD for the FT22322 interface
$ pwd
/home/OpenOCD/openocd
$ ./bootstrap
Jim is a tiny version of the Tcl scripting language. It is needed
by more recent versions of OpenOCD. Build libjim.a using the following
instructions:
$ git submodule init
$ git submodule update
$ cd jimtcl
$ ./configure --with-jim-ext=nvp
$ make
$ make install
Configure OpenOCD:
$ ./configure --enable-maintainer-mode --disable-werror --disable-shared \
--enable-ft2232_ftd2xx --with-ftd2xx-win32-zipdir=/home/OpenOCD/ftd2xx \
LDFLAGS="-L/home/OpenOCD/openocd/jimtcl"
Then build OpenOCD and its HTML documentation:
$ make
$ make html
The result of the first make will be the "openocd.exe" will be
created in the folder /home/openocd/src. The following command
will install OpenOCD to a standard location (/usr/local/bin)
using using this command:
$ make install
Helper Scripts.
I have been using the Olimex ARM-USB-OCD JTAG debugger with the
ZP213X/4XPA. OpenOCD requires a configuration file. I keep the
one I used last here:
configs/zpa214xpa/tools/olimex.cfg
However, the "correct" configuration script to use with OpenOCD may
change as the features of OpenOCD evolve. So you should at least
compare that olimex.cfg file with configuration files in
/usr/local/share/openocd/scripts/target (or /home/OpenOCD/openocd/tcl/target).
There is also a script on the tools/ directory that I use to start
the OpenOCD daemon on my system called oocd.sh. That script will
probably require some modifications to work in another environment:
- Possibly the value of OPENOCD_PATH and TARGET_PATH
- It assumes that the correct script to use is the one at
configs/zp214xpa/tools/olimex.cfg
Starting OpenOCD
Then you should be able to start the OpenOCD daemon like:
configs/zp214xpa/tools/oocd.sh $PWD
If you use the setenv.sh file, that the path to oocd.sh will be added
to your PATH environment variabl. So, in that case, the command simplifies
to just:
oocd.sh $PWD
Where it is assumed that you are executing oocd.sh from the top-level
directory where NuttX is installed. $PWD will be the path to the
top-level NuttX directory.
Connecting GDB
Once the OpenOCD daemon has been started, you can connect to it via
GDB using the following GDB command:
arm-nuttx-elf-gdb
(gdb) target remote localhost:3333
NOTE: The name of your GDB program may differ. For example, with the
CodeSourcery toolchain, the ARM GDB would be called arm-none-eabi-gdb.
After starting GDB, you can load the NuttX ELF file:
(gdb) symbol-file nuttx
(gdb) load nuttx
NOTES:
1. Loading the symbol-file is only useful if you have built NuttX to
include debug symbols (by setting CONFIG_DEBUG_SYMBOLS=y in the
.config file).
OpenOCD will support several special 'monitor' commands. These
GDB commands will send comments to the OpenOCD monitor. Here
are a couple that you will need to use:
(gdb) monitor reset
(gdb) monitor halt
NOTES:
1. The MCU must be halted using 'mon halt' prior to loading code.
2. Reset will restart the processor after loading code.
3. The 'monitor' command can be abbreviated as just 'mon'.
Configurations:
===============
Each NXP LPC214x configuration is maintained in a sub-directory and
can be selected as follow:
cd tools
./configure.sh zp214xpa/<subdir>
cd -
. ./setenv.sh
Where <subdir> is one of the following:
nsh:
----
Configures the NuttShell (nsh) located at examples/nsh. The
Configuration enables only the serial NSH interfaces.
NOTES:
1. This configuration uses the mconf-based configuration tool. To
change this configuration using that tool, you should:
a. Build and install the kconfig-mconf tool. See nuttx/README.txt
and misc/tools/
b. Execute 'make menuconfig' in nuttx/ in order to start the
reconfiguration process.
2. Default platform/toolchain:
CONFIG_HOST_LINUX=y : Linux (Cygwin under Windows okay too).
CONFIG_ARM_TOOLCHAIN_GNU_EABIL=y : Buildroot (arm-nuttx-elf-gcc)
CONFIG_RAW_BINARY=y : Output formats: ELF and raw binary
nxlines:
--------
This is the apps/examples/nxlines test using the UG_2864AMBAG01 board
from The0.net that plugs into the "SPI LCD" connector on the ZP3X4XPA
board.
NOTES:
1. This configuration uses the mconf-based configuration tool. To
change this configuration using that tool, you should:
a. Build and install the kconfig-mconf tool. See nuttx/README.txt
and misc/tools/
b. Execute 'make menuconfig' in nuttx/ in order to start the
reconfiguration process.
2. Default platform/toolchain:
CONFIG_HOST_LINUX=y : Linux (Cygwin under Windows okay too).
CONFIG_ARM_TOOLCHAIN_GNU_EABIL=y : Buildroot (arm-nuttx-elf-gcc)
CONFIG_RAW_BINARY=y : Output formats: ELF and raw binary
3. Verified as of this writing (2012-12-30).
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