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Usage of CCM Data RAM in KEIL

Posted on September 25, 2014 at 08:05Hi, Currently using STM32F427 for my project and using KEIL as the environment. So my project build contains boot rom, applications and fonts for displaying. The available usage RAM in the controller is 192 KB an...

umamahesh by Associate II
  • 1213 Views
  • 4 replies
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F429 + SDRAM PCB Design

Posted on September 27, 2014 at 19:57Hello, i am currently working on my first PCB with a STM32. The F429 and the SDRAM have LQFP/TSOP packages. Unfortunately the FMC Pins needed for SDRAM are distributed over all sides of the LQFP. I have looked on...

sk-st by Associate III
  • 640 Views
  • 2 replies
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STM32F051C6 works properly only in debug run mode

Posted on September 27, 2014 at 18:16MCU  (STM32F051C6) gets data from ADC via SPI and then sends  it to the I2C master (with DMA help) (Raspberry PI). When i stop debugging and reset chip it starts working in a bad way. No data from ADC, only one 3...

accurate delay_ms function for the STM32F0 processor

Posted on September 28, 2014 at 10:38Hi I was doing a small project using the STM32F0 processor and IAR Embedded Workbench toolset. There I was trying to customize the example source code available in the IAR examples section. The path is to that e...

piyush2 by Associate II
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  • 1 replies
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Adc issue stm32f3

Posted on September 26, 2014 at 21:29 Hello, i am using the adc from stm32f3 discovery board.I read the documentation and had a look at the example and came out with this code which doesn t work. Any helpfull suggestions please? #inclu...

d4ng3r09 by Associate II
  • 376 Views
  • 2 replies
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USART send/receive interference

Posted on September 27, 2014 at 10:45 Dear programmers, I would like to ask for an opinion regarding the USART data send/receive. The USART receive data is handled by the IRQ service: void USART1_IRQHandler(void){ if(USART_Get...

klemen by Associate II
  • 311 Views
  • 0 replies
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Unusual GPIO Initialization

Posted on September 26, 2014 at 23:02I'm maintaining some software for a STM32F103 and came across the following GPIO initialization code.    /* Configure PA5 as push-pull output for LED */     GPIO_WriteBit( GPIOA, GPIO_Pin_5, Bit_SET );     GPIO_I...

amoore by Associate II
  • 474 Views
  • 2 replies
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probllem in a function

Posted on September 26, 2014 at 23:06hi every body i have a problem with this function & dont know reason of it:[CODE]lib.hchar PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue);[/CODE]main:unsigned char mount[4];status= PcdVa...

mhdizgah by Associate II
  • 317 Views
  • 1 replies
  • 0 kudos