diff options
Diffstat (limited to 'nuttx/configs/stm32f4discovery/README.txt')
| -rw-r--r-- | nuttx/configs/stm32f4discovery/README.txt | 58 |
1 files changed, 28 insertions, 30 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt index 3ca5acad6..7b275607b 100644 --- a/nuttx/configs/stm32f4discovery/README.txt +++ b/nuttx/configs/stm32f4discovery/README.txt @@ -29,9 +29,7 @@ Development Environment Either Linux or Cygwin on Windows can be used for the development environment. The source has been built only using the GNU toolchain (see below). Other - toolchains will likely cause problems. Testing was performed using the Cygwin - environment because the Raisonance R-Link emulatator and some RIDE7 development tools - were used and those tools works only under Windows. + toolchains will likely cause problems. GNU Toolchain Options ===================== @@ -476,6 +474,33 @@ options as used with the Atollic toolchain in the Make.defs file: ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard +Configuration Changes +--------------------- + +Below are all of the configuration changes that I had to make to configs/stm3240g-eval/nsh2 +in order to successfully build NuttX using the Atollic toolchain WITH FPU support: + + -CONFIG_ARCH_FPU=n : Enable FPU support + +CONFIG_ARCH_FPU=y + + -CONFIG_STM32_CODESOURCERYW=y : Disable the CodeSourcery toolchain + +CONFIG_STM32_CODESOURCERYW=n + + -CONFIG_STM32_ATOLLIC_LITE=n : Enable *one* the Atollic toolchains + CONFIG_STM32_ATOLLIC_PRO=n + -CONFIG_STM32_ATOLLIC_LITE=y : The "Lite" version + CONFIG_STM32_ATOLLIC_PRO=n : The "Pro" version + + -CONFIG_INTELHEX_BINARY=y : Suppress generation FLASH download formats + +CONFIG_INTELHEX_BINARY=n : (Only necessary with the "Lite" version) + + -CONFIG_HAVE_CXX=y : Suppress generation of C++ code + +CONFIG_HAVE_CXX=n : (Only necessary with the "Lite" version) + +See the section above on Toolchains, NOTE 2, for explanations for some of +the configuration settings. Some of the usual settings are just not supported +by the "Lite" version of the Atollic toolchain. + FSMC SRAM ========= @@ -528,33 +553,6 @@ There are 4 possible SRAM configurations: CONFIG_STM32_FSMC_SRAM defined CONFIG_STM32_CCMEXCLUDE NOT defined -Configuration Changes ---------------------- - -Below are all of the configuration changes that I had to make to configs/stm3240g-eval/nsh2 -in order to successfully build NuttX using the Atollic toolchain WITH FPU support: - - -CONFIG_ARCH_FPU=n : Enable FPU support - +CONFIG_ARCH_FPU=y - - -CONFIG_STM32_CODESOURCERYW=y : Disable the CodeSourcery toolchain - +CONFIG_STM32_CODESOURCERYW=n - - -CONFIG_STM32_ATOLLIC_LITE=n : Enable *one* the Atollic toolchains - CONFIG_STM32_ATOLLIC_PRO=n - -CONFIG_STM32_ATOLLIC_LITE=y : The "Lite" version - CONFIG_STM32_ATOLLIC_PRO=n : The "Pro" version - - -CONFIG_INTELHEX_BINARY=y : Suppress generation FLASH download formats - +CONFIG_INTELHEX_BINARY=n : (Only necessary with the "Lite" version) - - -CONFIG_HAVE_CXX=y : Suppress generation of C++ code - +CONFIG_HAVE_CXX=n : (Only necessary with the "Lite" version) - -See the section above on Toolchains, NOTE 2, for explanations for some of -the configuration settings. Some of the usual settings are just not supported -by the "Lite" version of the Atollic toolchain. - SSD1289 ======= |