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Fatal error-NO MCU found?

Posted on February 11, 2012 at 21:44Last night I was working with my STM32L and everything was working properly. I had loaded some code to flash the leds. I had the board set up on a bread board and was using the the external 3v power supply pins to...

rj by • Associate II
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  • 5 replies
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DAC to Audio Out

Posted on December 13, 2011 at 23:24Has anyone been able to use the DAC output (PA4) to generate sound on the headphone port? It seemed like a trivial thing to do, set up the CS43L22 in analog pass-thru mode... but that was 3 days ago. I generate a ...

dreschel by • Associate II
  • 623 Views
  • 1 replies
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Flash programming error in Keil MDK

Posted on February 11, 2012 at 16:27Hi! I just started using the STM32F4 discovery board with Keil development environment, and I have a small problem, that I can not program the flash memory of the microcontroller using the Load button. In Keil Bui...

miklos by • Associate II
  • 1526 Views
  • 2 replies
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u32 should be alligned ?

Posted on February 11, 2012 at 01:17hello One question: when i am using: char table[10]; (...) *(unsigned int*)&table[1]=0x12345678; should the pointer be dword alligned in RAMy ? Can I make safely such access? Or it is forbidden in ARM architecture...

wadi by • Associate II
  • 363 Views
  • 1 replies
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Timer1 trigger for ADC2

Posted on February 10, 2012 at 11:54Hi, Using STM32F205RCT6. We used ADC1/DMA with Timer 1 as trigger and worked fine. The temperature sensor is only connected to ADC1 so I have to move ADC1 -> ADC2. Now we have problems with the trigger - it doesn'...

USART, 115200 not work

Posted on February 09, 2012 at 17:11Hello I am using STM32RBT6 with my board and all is good except serial with 115200 baud rate, 57600 and lower is working correctly. I just see weird characters when receiving data. I can't get it work either with ...

zexx86 by • Associate II
  • 2028 Views
  • 9 replies
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OSC32 - use pc14/15 as GPIO

Posted on February 08, 2012 at 16:02Hi, How can i use PC14/15 as GPIOs? I turened off  LSE by using this function and configure PC14/15 as input floating:      RCC_LSEConfig(RCC_LSE_OFF);  But  the ports does not read any data, What do i miss?

ybitton by • Associate II
  • 549 Views
  • 1 replies
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PDM audio software decoding library?

Posted on January 18, 2012 at 17:17 Here is a description of the PDM audio software decoding library from the AN3998 PDF: The PDM audio software decoding library includes one header file pdm_filter.h and binary/object codes for the following ...

ozvena by • Associate II
  • 977 Views
  • 4 replies
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