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DMA & I2S & Full Duplex

Posted on August 13, 2013 at 02:40 Has anyone gotten I2S in full duplex mode on the STM32F405 working?? I just can't seem to get the RX DMA to work. After initializing with the below code the TX DMA IRQs fire and that part works fine but I never...

andprice by • Associate II
  • 1144 Views
  • 1 replies
  • 0 kudos

flash readback protection

Posted on November 12, 2013 at 17:36 Hi Forum, I need to implement is flash readback protection. I have a couple of questions.... 1...Can I enable this on the STM32f051in software or does it have to be set in the programming tools? I'm using Keil uV...

stenasc by • Senior
  • 2328 Views
  • 7 replies
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STM32F051K6 usart

Posted on November 18, 2013 at 05:54hii, I am using STM32F051K6 for my development. I wrote my won STM Bootlaoder and it Successfully download my test led application in keil. My next Step is USART. to communicate with some Analog Devices before tha...

vishalr by • Associate
  • 923 Views
  • 1 replies
  • 0 kudos

acquiring clock ticks and print contnously

Posted on November 18, 2013 at 07:36Hello, I am working with STM32F4 Discovery with FreeRTOS and summon arm tool chain.I am sending ADC  data over serial Port using USB serial communication.I have write code to get ADC value in continuous conversion...

RTC fails synchronisation and initialisation

Posted on November 14, 2013 at 05:19Hello ForumI have some code to initialise my RTC, compiled with Keil. This code works on the MCBSTM32F400 Keil eval board, but is not working on my target hardware. The program fails on ''RTC_WaitForSynchro'' and ...

kdevine9 by • Associate II
  • 2030 Views
  • 2 replies
  • 0 kudos

ADC sampling rate

Posted on January 17, 2013 at 10:19I want to sample 1Mhz signal from stm32F4 discovery using ADC1 channel 7. I get 100Khz sample fine, but above it, sampling is not proper. how can I increase sampling rate or what can be the problem? #ampling-rat...

its by • Associate II
  • 5116 Views
  • 7 replies
  • 0 kudos

GNU ARM compile problem, FLASH_KEY

Posted on November 17, 2013 at 19:06Hello,I am using GNU ARM gcc version 4.7.4 to compile a simple LED flasher using STM32_USB-FS-Device_Lib_V4.0.0.  I am getting the following error: -I/AddIns/Development/STMicro/STM32_USB-FS-Device_Lib_V4.0.0/Libr...

pgregson1 by • Associate III
  • 2114 Views
  • 3 replies
  • 0 kudos

STM32F050F6: 1or 2 USART?

Posted on November 18, 2013 at 00:11The device selection says 2 USART, The datasheet says:'1 x USART supporting master synchronous SPI and modem control; one with ISO7816 interface, LIN, IrDA capability auto baud rate detection and wakeup feature'Bu...

johnlee by • Associate II
  • 1640 Views
  • 3 replies
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stmf4 external interrupt

Posted on November 15, 2013 at 16:35I have a rather simple problem. Just trying to run the external interrupt on pin PA0 on stmf4-discovery without the library functions. It ran correctly on simulation trial using stm32f103 device. But I'm missing o...

sen by • Associate II
  • 1785 Views
  • 3 replies
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