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Forum Posts

STM32F4 RTC interrupts

Posted on September 09, 2015 at 07:22Hello, I had a quick question is it possible to setup the RTC to trigger Alarm interrupt and Wakeup counter interrupt in the same program. This is needed because I use Standby for long sleep (~1s) and Stop mode f...

matas by Associate II
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High Level Timer/ADC/DMA Help

Posted on September 08, 2015 at 17:49I'm working on a sound-reactive project with the STM32F405 that samples ADC for FFT.  I'm currently using double-buffered DMA triggered by TIM3 TRGO.  Everything is working but it's very rough around the edges an...

craig by Associate II
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  • 3 replies
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Occasionally Missing Interrupts

Posted on September 07, 2015 at 13:44 I have an STM32 system that works correctly most of the time but occasionally fails to service interrupts. I wonder if there is something I am missing in my understanding of the NVIC: The system is built a...

Ultrasonic receiver

Posted on September 08, 2015 at 18:51  The original post was too long to process during our migration. Please click on the attachment to read the original post.

fiulala by Associate II
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6 step motorcontrol

Posted on September 08, 2015 at 08:13The original post was too long to process during our migration. Please click on the attachment to read the original post.

binonso by Associate
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  • 2 replies
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stm32f3discovery - l3gd20 gyroscope send constant values

Posted on September 08, 2015 at 12:16 Hello, I have problem with l3gd20 gyroscope, which is part of stm32f3disco. I try to communicate with it using built in stm32f3 uC. I wrote my library for using SPI and this gyroscope. Theoretically SPI i...

leszek by Associate II
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  • 3 replies
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ST-LINK_CLI.exe stm32f042 option bytes

Posted on September 07, 2015 at 15:42Hello, Please help me clarify the following: I need to write data option byte to stm32f042 by ST_LINK_CLI.exe when  I try to do the following command:  ST-LINK_CLI.exe -OB Data0=0xAA Data0=0x55 I get the result:D...

SDRAM speed on STM32429I-EVAL

Posted on September 08, 2015 at 10:10Hello everyoneI did some basic and low level SDRAM tests on the STM32429I-EVAL and got some weird results or at least I think they are strange. I'm using the IAR Embedded Workbench and the including toolchain. Op...