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OTP(One time programmable)

Posted on June 11, 2015 at 13:25i am using stm32f4 discivery board .i would like to write a block of data to OTP. Can anyone tell me how to proceed. or does anyone put some  sample code for that. thank in advance .

arunl4g by • Associate II
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  • 9 replies
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Triggerring DMA on timer event for data logging

Posted on June 12, 2015 at 14:25Hello,I am trying to find solution for ADC (single channel) data logging at every 1 uSec using DMA. And DMA should inform CPU after 100 reading i.e after 100usec so that I can process these 100 reading at every 100use...

krunal2 by • Associate
  • 341 Views
  • 1 replies
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bxCAN Error Interrupts

Posted on June 12, 2015 at 07:21I've got error interrupts enabled on the bxCAN peripheral on an STM32F429, but can't figure out how to dismiss the interrupt. When the error interrupt handler is entered, what do I need to do to dismiss the interrupt ...

jerry2 by • Senior
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  • 1 replies
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Cortex M4 Float to int: Round to Nearest / VCVTR?

Posted on June 12, 2015 at 12:31 Is there any way to convince the Keil/ARM MDK compiler to use the VCVTR command to convert floats to ints? That would be extremely nice. Currently the compiler seems to use always the VCVT, but this rounds towards ze...

flyer31 by • Senior
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  • 4 replies
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USART2 VOLTAGE LEVELS

Posted on June 12, 2015 at 09:30hi everyone, I am using stm32f407 for my project and usart2 for communicating with gsm modem.past few days i am facing an issue that controller cannot communicate with modem.then i started checking my hardware step by...

kiran2 by • Associate II
  • 337 Views
  • 0 replies
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Producing analog voltage from DAC

Posted on June 11, 2015 at 21:29 Hi all, I am trying to produce a constant voltage, say 2V, from DAC without using any external input source. In other words, the code will send in digital signal to DAC, producing 2V. I have attempted to s...

theory by • Associate
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  • 3 replies
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Getting printf on STM32F407 Discovery board

Posted on June 11, 2015 at 13:14Hi i am new to embedded system programming and stumbled upon this basic problem of re-directing output to the ITM Port0. I read multiple posts on the same but sadly I cant get it to work. I shall try to be as descript...

I2C DMA is Busy

Posted on June 11, 2015 at 06:52 Hey all, Firstly I've tried the following on STM32F303 and STM32F072 and it's the same result on both. The MCU is configured as amaster and I'm trying to send I2C commands to an SSD1306 based OLED display...

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