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rt-thread-official/bsp/stm32f40x
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ItsEddy ced7d5a34f [DeviceDriver] stm32: Remove explicity clear of RXNE flag 
According to STM32 Manual, the USART RXNE flag will be clear automatically after
read to the USART_DR register[1], so the call to USART_ClearITPendingBit is
unnecessary.

[1]: See RM0090 Reference Manual p.992, Bit 5
 		2015-04-07 21:09:22 +08:00
..
Libraries Update SConscript 2014-05-22 21:02:13 +08:00
applications [bsp]add gdb support for stm32f4xx 2014-08-12 18:22:04 +08:00
drivers [DeviceDriver] stm32: Remove explicity clear of RXNE flag 2015-04-07 21:09:22 +08:00
SConscript Re-normalizing the repo 2013-01-08 22:40:58 +08:00
SConstruct [BSP] update MDK project file for STM32F4 2015-01-20 15:52:39 +08:00
project.uvproj [BSP] update MDK project file for STM32F4 2015-01-20 15:58:37 +08:00
project.uvprojx Add mdk5 project for stm32 bsps 2014-11-19 15:28:56 +08:00
readme.txt add stm32f40x/readme.txt 2012-07-31 17:13:59 +00:00
rtconfig.h [BSP] Update UART and GPIO driver with framework in STM32F4 2015-01-20 07:23:59 +00:00
rtconfig.py [BSP] update MDK project file for STM32F4 2015-01-20 15:52:39 +08:00
stm32_rom.ld [bsp]add gdb support for stm32f4xx 2014-08-12 18:22:04 +08:00
stm32_rom.sct fixed compiling error 2012-04-14 11:41:15 +00:00
template.uvproj update stm32f10x template. 2013-02-20 10:49:09 +08:00
template.uvprojx Add mdk5 project for stm32 bsps 2014-11-19 15:28:56 +08:00

readme.txt 

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)