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-rw-r--r--nuttx/configs/mcu123-lpc214x/README.txt34
1 files changed, 32 insertions, 2 deletions
diff --git a/nuttx/configs/mcu123-lpc214x/README.txt b/nuttx/configs/mcu123-lpc214x/README.txt
index 16456266e..9a76c0730 100644
--- a/nuttx/configs/mcu123-lpc214x/README.txt
+++ b/nuttx/configs/mcu123-lpc214x/README.txt
@@ -1,8 +1,38 @@
README
^^^^^^
-Tools
-^^^^^
+Toolchain
+^^^^^^^^^
+
+ A GNU GCC-based toolchain is assumed. The files */setenv.sh should
+ be modified to point to the correct path to the SH toolchain (if
+ different from the default).
+
+ If you have no SH toolchain, one can be downloaded from the NuttX
+ SourceForge download site (https://sourceforge.net/project/showfiles.php?group_id=189573).
+
+ 1. You must have already configured Nuttx in <some-dir>nuttx.
+
+ cd tools
+ ./configure.sh mcu123-lpc214x/<sub-dir>
+
+ 2. Download the latest buildroot package into <some-dir>
+
+ 3. unpack
+
+ 4. cd <some-dir>/buildroot
+
+ 5. cp configs/arm-defconfig .config
+
+ 6. make oldconfig
+
+ 7. make
+
+ 8. Edit setenv.h so that the PATH variable includes the path to the
+ newly built binaries.
+
+Flash Tools
+^^^^^^^^^^^
I use the lpc21isp tool to load NuttX into FLASH. That tool is available
in the files section at http://tech.groups.yahoo.com/group/lpc21isp/. In