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problem on PC0 of stm32f4discovery

Posted on February 13, 2013 at 09:40Hi guys, last week i am still able to use my pc0 as input, now he is rebelling it is configured as input but it has an output of 2.25v I dont understand why

xtian by • Associate II
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  • 9 replies
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STMF103RET6 program through serial bootloader

Posted on February 14, 2013 at 09:39Hi I current have my stm32f1 soldered onto a breakout board, all the pins are soldered correctly, boot 0 is tided to high, boot1 is tied to low, then i reset (1 then 0 then 1). i'm my rx and tx are on pa9 and pa10...

tylere by • Associate II
  • 698 Views
  • 2 replies
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Connect running target to Keil uVision debugger / STMStudio

Posted on February 14, 2013 at 21:02Hi, is it possible to connect the Keil uVision debugger to a running target (without disturbing / resetting it)? It seems to work with STMStudio, just unfortunately I think my AXF file is too large for STMStudio (...

flyer31 by • Senior
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capturing frequency

Posted on February 13, 2013 at 18:40Hi guys I'm working on a project, I need to fine filing edge of a stream with 4.000 Mhz  frequency.This is my code and IRQ sub program:  GPIO_InitTypeDef GPIO_InitStructure;  NVIC_InitTypeDef NVIC_InitStructure;  ...

imanpakii by • Associate III
  • 872 Views
  • 4 replies
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STM32F4 playing DPCM with simple PWM + DMA

Posted on February 14, 2013 at 12:37Hello,I'd like to know if it is possible to play sound files in DPCM with a reasonnable quality (understanding human voice is enough) with the following configuration :- with a standard low quality piezo buzzer,- ...

neoirto by • Associate II
  • 929 Views
  • 4 replies
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LCD 16*2 8 data bits

Posted on February 14, 2013 at 09:38Hi everyone,Im using STM32F103VCT6 , and i want to play with the LCD and i dont know how to start!if you can please send me some example code to write something on it the LCD is 16*2 with 8 data bits (GPIO from CP...

etay014 by • Associate
  • 888 Views
  • 4 replies
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Using external RAM with stm32f10xxg

Posted on February 14, 2013 at 13:28I would like you use an external SRAM (is62wv2568bll) employing FMSC module in STM32F103xG. In example projects referred in AN2784 entitled ''Using the high-density STM32F10xxx FSMC peripheral to drive external me...

Can't get printf() in Keil

Posted on February 13, 2013 at 20:22I have an STM32F407 motherboard here connected via SWD, and Keil UVision IDE. I can program, run, halt, and read back registers and all the debugging stuff- EXCEPT the printf() won't show anything in the printf() ...

dannym by • Associate III
  • 1188 Views
  • 2 replies
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SPI And STM32 f0 Discovery

Posted on February 13, 2013 at 17:21Hello, I started with the STM32 f0 and I'm interested in the SPI. At first, I initialized two tables (SPIy_Buffer_Tx and SPIz_Buffer_Tx), then I would send the contents of the first table to a third table (SPIy_Bu...

touzi by • Associate
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  • 2 replies
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