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NVIC_SystemReset in interrupt

Posted on August 07, 2012 at 23:40HelloI implementing something like own watchdog, but I can't reset STM32 in SysTick interrupt. It just stop SysTick interrupts but nothing more.I tried to disable interrupts before, but it is same with:__disable_irq...

zexx86 by Associate II
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systick interrupt priority

Posted on April 26, 2014 at 23:58Hi all, When my program is in an interrupt caused by an external rising edge, the systick interrupt no longer occurs. My first thought was that the priority of the systick was lower than that of my function, so I us...

jono-tree by Associate II
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STM32 I2S Transmit Slave DMA issue

Posted on September 23, 2014 at 08:28Hi, I'm currently running a STM32F4 Discovery board, connected to a AD1938 Codec. The STM32 is running as I2S Transmit Slave, with the clocks for WS(LRCLK) and BCLK coming from the AD1938. The STM32F4 is using th...

phil2 by Associate II
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ADC on F407 versus F42x/43x

Posted on September 23, 2014 at 13:59Hello, with regard to ADC noise on the F407, AN4547 (F407 -> F42x migration) tells: '' Resolved with new behavior to enhance the accuracy'' However I don't see any description of the new behavior! Can anybody cla...

STM32F4 USB HID: transmit interrupt

Posted on September 16, 2014 at 13:42Hi,The STM USB HID stack generates an interrupt when new data have been received (eg 64 bytes). It is necessary to poll the status (using the USBD_HID_RecReport function), but this is no problem in my application...

koster by Associate III
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  • 8 replies
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PWR_ClearFlag(PWR_FLAG_SB) not work

Posted on September 23, 2014 at 13:15Hi.I am using the STM32F205ZC and I try to clear the StandBy flag by this command.PWR_ClearFlag(PWR_FLAG_SB). But it doesn't work. I try manual to go to PWR_CR->CSBF and clear there but no help.Only when I active...

Barbie by Associate II
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How to get actual value of RTC Autowakeup Timer

Posted on October 11, 2013 at 08:48As you know Autowakeup timer is the only Stop Mode active timer in STM32L. The other timers are all off. I don't have any problems with this timer. I can adjust the period and can get the interrupt right on time. S...

Interference when using SSD1963 and SDRAM over FMC

Posted on September 19, 2014 at 23:43Hi everyone, This is my first post on this community, that i found great, so before everything let me say thank you. I'm currently working on a spare time project which involve some basic PID simulated control/pr...

davide by Associate II
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  • 8 replies
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