Posted on February 28, 2018 at 06:10Maybe I ask a simple question about what the meaning of stm32's model namelike 'stm32f407vgt6', what's the 'v', 'g', 't', '6' mean? or f407 I know '4' is about cortex-m4, but 07 means something special?Thanks a lo...

Posted on September 26, 2017 at 17:56Hello, allI recently learn to use stm32 usb deviceI think it's easy to build a CDC example with HAL library in CubeMX,And I put the code into stm32f429-discvoery, it's the HS pin, but actually use FS speedI'm suc...

Posted on June 15, 2017 at 18:22I'm study cortex-m4 for semihost and use stm32f429-discovery board. I have a trouble with that semihost can not work when board is standalone(without in debug mode), So, I hope to use judge debug status before printf(...

Posted on January 20, 2017 at 06:22I'm learing stm32 spi,In normal way of master mode, I have to low the slave select pin, then transmit data, then high the slave select pinI know that I can use dma to transmit data,but I am not sure that dma can co...

Posted on January 20, 2017 at 06:13I'm learning using stm32 exti, and tim,there are raising trigger, falling trigger, 'raising or falling trigger'If I setting  'raising or falling trigger', and in trigger time, how can I get the info of the trigger ...