Bambino-200 Manual/Rebuild mbed Firmware
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Command Line Build
The source code for the mbed library is open source and can be downloaded from the mbed mainline repository or the Micromint repository. To recompile it please follow these steps:
1. Install a compatible ARM toolchain. The mbed port for LPC4330 targets currently supports the Keil MDK, GCC ARM and GCC LPCXpresso toolchains. The Keil MDK is the main ARM toolchain at Micromint.
2. Install Python 2.7. The mbed build scripts are written in Python.
3. Install the mbed Library Sources. This includes full source code for all supported multiple microcontrollers and boards.
4. Edit workspace_tools/private_settings.py to reflect your toolchain directories.
from os.path import join # ARM armcc = "keil" ARM_PATH = "C:/Keil/ARM" ARM_BIN = join(ARM_PATH, "ARMCC", "bin") ARM_INC = join(ARM_PATH, "ARMCC", "include") ARM_LIB = join(ARM_PATH, "ARMCC", "lib") # GCC ARM GCC_ARM_PATH = "C:/Program Files (x86)/GNU Tools ARM Embedded/4.8 2014q2/bin" # GCC CodeRed GCC_CR_PATH = "C:/nxp/LPCXpresso_7.5.0_254/lpcxpresso/tools/bin"
5. Compile the base mbed libraries. These are typical commands to change to the source directory, setup compiler environment and build the bootloader. Note that the Python directory in the PATH may be different in your development system.
cd mbed-master SET PATH=C:\Windows\system32;C:\Windows;C:\Python27 python workspace_tools/build.py -v -r -m LPC4330_M4 -t ARM > build.log python workspace_tools/build.py -v -r -m LPC4330_M4 -t GCC_ARM >> build.log
If your build is successful, the mbed libraries and headers for the LPC4330 will be available in the ..\build directory. If not, check the build.log file. For more documentation on these procedures please visit the mbed tools site.
IDE Build
When implementing new or modified mbed functionality, a large percentage of the development time is spent debugging and troubleshooting code changes. To improve prodctivity, our implementation includes project files to build and debug the mbed library with the Keil MDK. These allow you to access a full featured ARM development environment and debugger. A JTAG is required for debugging.
For production builds, the mbed build system should be used.