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stm32l053 usart2 levels

Posted on May 27, 2015 at 23:22As you can see here:https://drive.google.com/file/d/0B979a_DgADKmNkE4N1B0R21BaXM/view?usp=sharingI'm trying to send data out USART2; it seems to be set up correctly and outputting to pin A14, but the voltage levels don...

lee23 by • Associate II
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TIM17 PWM

Posted on July 19, 2011 at 17:47Hi, I am trying to produce PWM signal by using TIM17 channel1 on PORTB-9, but i can't get the PWM signal. In debug mode i can see that TIM17 COUNTER register advanced and do overloop, but i just cant see the PWM signa...

ybitton by • Associate II
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Filtered data value is so long

Posted on May 25, 2015 at 08:16I am using stm32f4 discovery board. from ADC I take 1ksample/sec and accumulate it. after accumulation of 30Ksamples, process it through band pass filter. output of band pass filter is very large +ve and -ve values ex...

lokesh by • Associate II
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debugging STM32 : need some newbie suggestions

Posted on May 28, 2015 at 10:37In a few days I will start the first project with STM32 on a dedicated hardware. I would like to ask some suggestions about debugging: 1) JTAG or SWD? So far I used JTAG on AVR core and it worked fine. I don't know SWD...

infor by • Associate III
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  • 2 replies
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Problem with STM32F401 OTG FS MSC using SDIO uSD card

Posted on May 26, 2015 at 21:23Hi, all. I have an STM32F401Discovery Kit using an STM32F401VCT6. I have wired an external SD card connector and have successfully implemented Elm-Chan's FATFs using the SDIO SD card interface. All works well, I can mo...

STM32427 with CubeMX

Posted on May 23, 2015 at 11:34I have a board with a 32 bit SRAM and have used CubeMX to configure a 32 bit data bus, a 10 bit Address bus with a Chip select of NE1. Briefly, Cube has produced the MX_FMC_Init(); file with settings as follows:- hsram...

NVIC_ISPR ''set-pending'' bit to force ISR entry

Posted on May 25, 2015 at 03:50 Hi, I'm running some tests on an STM32F072 to verify my understanding of the docs. Apparently I'm missing an important point regarding the NVIC and pending interrupts... I'm single-stepping through the code ...

fenugrec by • Associate II
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