diff options
Diffstat (limited to 'nuttx/configs/kwikstik-k40/README.txt')
| -rw-r--r-- | nuttx/configs/kwikstik-k40/README.txt | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/nuttx/configs/kwikstik-k40/README.txt b/nuttx/configs/kwikstik-k40/README.txt index 3c58a8973..d24a5a473 100644 --- a/nuttx/configs/kwikstik-k40/README.txt +++ b/nuttx/configs/kwikstik-k40/README.txt @@ -50,14 +50,11 @@ GNU Toolchain Options 1. The CodeSourcery GNU toolchain, 2. The devkitARM GNU toolchain, - 3. Raisonance GNU toolchain, or - 4. The NuttX buildroot Toolchain (see below). + 3. The NuttX buildroot Toolchain (see below). - All testing has been conducted using the NuttX buildroot toolchain. However, - the make system is setup to default to use the devkitARM toolchain. To use - the CodeSourcery, devkitARM or Raisonance GNU toolchain, you simply need to - add one of the following configuration options to your .config (or defconfig) - file: + All testing has been conducted using the CodeSourcery Windows toolchain. To + use the devkitARM or the NuttX GNU toolchain, you simply need to change the + the following configuration options to your .config (or defconfig) file: CONFIG_KINETIS_CODESOURCERYW=y : CodeSourcery under Windows CONFIG_KINETIS_CODESOURCERYL=y : CodeSourcery under Linux @@ -67,7 +64,7 @@ GNU Toolchain Options If you are not using CONFIG_KINETIS_BUILDROOT, then you may also have to modify the PATH in the setenv.h file if your make cannot find the tools. - NOTE: the CodeSourcery (for Windows), devkitARM, and Raisonance toolchains are + NOTE: the CodeSourcery (for Windows) and devkitARM toolchains are Windows native toolchains. The CodeSourcey (for Linux) and NuttX buildroot toolchains are Cygwin and/or Linux native toolchains. There are several limitations to using a Windows based toolchain in a Cygwin environment. The three biggest are: @@ -151,6 +148,9 @@ NuttX buildroot Toolchain SourceForge download site (https://sourceforge.net/project/showfiles.php?group_id=189573). This GNU toolchain builds and executes in the Linux or Cygwin environment. + NOTE: The NuttX toolchain is an OABI toolchain (vs. the more common EABI) + and does not include optimizations for Cortex-M4 (ARMv7E-M). + 1. You must have already configured Nuttx in <some-dir>/nuttx. cd tools @@ -180,7 +180,7 @@ NuttX buildroot Toolchain KwikStik-K40-specific Configuration Options ============================================ - CONFIG_ARCH - Identifies the arch/ subdirectory. This should + CONFIG_ARCH - Identifies the arch/ subdirectory. This sould be set to: CONFIG_ARCH=arm @@ -200,7 +200,7 @@ KwikStik-K40-specific Configuration Options CONFIG_ARCH_CHIP_name - For use in C code to identify the exact chip: - CONFIG_ARCH_CHIP_K40X256VLQ100 + CONFIG_ARCH_CHIP_MK40X256VLQ100 CONFIG_ARCH_BOARD - Identifies the configs subdirectory and hence, the board that supports the particular chip or SoC. |