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DMA fifo algorithm for non regular data

Posted on September 13, 2015 at 23:14Hello I am trying to figure out DMA and write buffer for incoming TCP data to send over USART I was thinking about using circular DMA (for USART TX) and  add data to buffer. When new data arrives stop DMA and add...

ADC's EOC event

Posted on November 19, 2012 at 13:29Hello, everyone!I have a question about ADC's EOC event, when is this bit been set?For example,there are 6 ADC channels in my program.Is it right as bellow:A channel converted--EOC--B channel converted--EOC...F ch...

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STM32F411RE EXTI Interrupts without something attached

Posted on September 13, 2015 at 16:56I encountered a strange behaviour on several STM32F411 nucleos: When configuring an EXTI for an input GPIO Pin the pending bit gets set, even though nothing is connected to the Pin. Code is attached. These two fi...

Macro about Peripheral clock

Posted on September 11, 2015 at 18:39 Hello, someone would be able to explain mewhat's happen in the last two lines of this macro: /** @defgroup RCC_AHB1_Clock_Enable_Disable AHB1 Peripheral Clock Enable Disable * @brief Enable or ...

STM32F103ZE NAND problem

Posted on September 13, 2015 at 19:19Hi guys!I'm trying to interface a Toshiba tc58nvg2d4btg00 4Gbit NAND to STM32F103ZET6. I started from the code for STM3210E-Eval board (Same schematic of my board) in Examples->FSMC->FSMC_NAND. I've changed the c...

Get the stack size during application

Posted on September 10, 2015 at 22:15Hai, im developming an application using the ST standard peripherie library. Im trying to get the information, how big is my stack. I tried to use the __get_PSP(void) function to get the value of the stack progra...