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资源说明：This is a minimal implementation of the code needed to bring up the STM32F4xx platform together with the STM32 Peripheral library and Newlib as a libc
STM32F4xx Startup ================= This project aims to provide all necessary startup code for the ST-Microelectronics STM32-F4xx platform. You can use this code as a starting point for a project on the STM32F4-Discovery board or any other platform based on this Chip. Features -------- * Fancy non-recursive make buildsystem * Startup code for the platform * Clock configuration for usage with SDIO and USB * Newlib support for the heap and dummy-stubs for file I/O * Integration of the STM32F4xx peripheral library How to use ---------- You can use this toolchain if you need one: https://launchpad.net/gcc-arm-embedded After you have installed the toolchain, you can build the library with a simple make If you want to flash it onto your STM32F4-Discovery board using openocd, use make upload or for the faster variant using the [ST-Link utility](https://github.com/texane/stlink) (coming with the toolchain) and gdb, use make upload-gdb For debugging with gdb, use make debug-gdb If you don't use an STLink v2 compatible JTAG adapter, you can change the JTAG_ADAPTER variable in config.mak to match your adapter if there is already a correspondig rules file in /build/jtag_adapters available. If there isn't you need to write one. Please note, that at the current time the GDB debugging und uploading make targets are a bit hacky and may not work. Fixes are more than appreciated! The default firmware which gets uploaded is the hello_world executable. You can override this behaviour by setting the environment variable **FIRMWARE** to a name of a target or you can use special targets like **upload-hello_world**. Example: make upload FIRMWARE=your_name_here or make upload-your_name_here
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