rt-thread-official/bsp/stm32f40x/readme.md

board info: STM32F4 discovery http://www.st.com/internet/evalboard/product/252419.jsp

note: in drivers/stm32f4xx_conf.h /* Redefine the HSE value; it's equal to 8 MHz on the STM32F4-DISCOVERY Kit */ #define HSE_VALUE ((uint32_t)8000000)

================= IAR WARNING =================

after use scons --target=iar -s cmd to product IAR project, you have to add iar link file by hand

IAR steps:

1. Project-->Options-->Linker
2. Config-->Linker Configuration file
3. select Override Default, then select bsp/stm32f40x/stm32f40x_flash.icf
4. rebuild project

TODO auto add *.icf by scons script