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stm32f100 bootloader problem

Posted on October 30, 2013 at 21:11I tried to load the application code from my stm32f407 board to stm32f100 by rs232 and the bootloader inside the stm32f100.  I set the baudrate as 19200, 8bit, parity-even, one-stop bit per the application note. Ho...

mli by Associate II
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  • 2 replies
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Timer clock

Posted on October 31, 2013 at 15:17Hiwhen I set hclk to 72 for STM32F103 micro the timer doesnt work! I set APB1 pll to devide by 2, but in downt work aftar that alsowhats the problem? #too-vague

_behn4m by Associate II
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  • 8 replies
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Chaining 2 Timers - Pause the chaining effect

Posted on October 31, 2013 at 03:18STM32F4xxI have a setup where I am chaining 2 timers together with the internal trigger. TIMA is sending a TRGO to TIMB, which outputs in One Pulse Mode. This part works.What I want to do is to programatically tell...

dibs by Associate II
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  • 3 replies
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4-20mA to STM32 ADC

Posted on October 25, 2013 at 15:35How to input 4-20mA singnal to ADC in STM32? You know, ADC voltage is [0, 3.3V]. What circuit should add on the input? #4to20ma

ray by Associate II
  • 2241 Views
  • 1 replies
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STM32F1 - Int Vector Table in RAM setup?

Posted on October 31, 2013 at 14:44 Hi all, Ive got a bit of a problem with a bootloader. Everything is running just fine out of RAM (.text .rodata .data), but im having issues moving over the vector table. Ive reserved 0x20...

mwp by Senior
  • 576 Views
  • 1 replies
  • 0 kudos

stm32l1 wakeup on uart start bit

Posted on October 26, 2013 at 12:41HiI'm wondering if there is any possibility to wake up the stm32L1 from stop mode when a start bit is detected?with the stm32F1 there is a way of doing it: USART_StopModeWakeUpSourceConfig(USART1, USART_WakeUpSourc...

source for TIMx UEV

Posted on October 28, 2013 at 22:49STM32F407xxWhat are the sources for a TIMx update event?My specific use case is that I am using TIM3 to generate a quadrature encoder output (CC1 and CC2). See the earlier discussion on how to do this: (quadrature ...

dibs by Associate II
  • 587 Views
  • 3 replies
  • 0 kudos

UART DMA usart2 to uart1

Posted on May 16, 2012 at 03:40Hi , i want to transfer the incoming data on uart2 to uart1 using DMA i d'ont know where is the problem with my code

Dynamic System Clock Frequency

Posted on October 29, 2013 at 12:51HiI wonder if there are any negative side effects when changing the system clock speed dynamically. I have an I2S audio samples transfer running (via DMA) and therefore, the CPU is put into sleep mode and the DMA i...

DCMI to memory DMA transfer

Posted on October 29, 2013 at 08:43 Hi, I am trying to receive datas from a camera module through DCMI interface and send each 8bits received to UART. The problem is that I can only receive one word (NDTR=1) and the program only enters the DM...