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Interupt priorities

Posted on June 28, 2011 at 09:38Hi All, Can anyone explain the difference between the prem and sub interupt priorities.  For example what TIMER_1_IRQ_PREM_PRI and TIMER_1_IRQ_SUB_PRI. -- Thanks #stm32-c-embedded

RTC calendar on STM32F100x

Posted on June 29, 2011 at 13:02Hi, i've to implement a RTC calendar on my STM32F100 microcontroller. I've the RTC library, but i'm searching a so called ''calendar.h'' that already has defined: days, weeks, months,years etc.. Some ideas?? #time...

Any good (In depth) STM32 I/O tutorials?

Posted on June 26, 2011 at 19:08I've built a gas turbine engine, which currently runs on a variety of manual valves/switches to run. What i want to do is to install solenoids into my fuel rings/pump supply, and relays on the switches controlling my ...

Hard Fault Error - STM32F100C8

Posted on June 27, 2011 at 12:34I am trying to implement EEPROM emulation in the flash memory. I am able to write and read the data from flash. When trying to write the second data it is going to HARDFAULT Error. I m not sure why this happens. Belo...

ezyreach by • Associate II
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SPI & DMA - DMA irq not called out 2

Posted on June 01, 2011 at 14:45Hello, I encountered problems when trying to send SPI data by means of DMA. It seems that DMA transfer never starts. The sequence of configurations commands is as follow: 1) Enable SPI and DMA clocks     RCC_AHBPeri...

snafu by • Associate II
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STM3232 discovery DAC problem

Posted on June 26, 2011 at 22:05Hello everybody,I have the following configuration: two stm discovery connecte via SPI, one configured as master and the other as slave. What I do is send SPI commands from the master to the slave, and base on the val...

How to get STM32F207 or STM32F217 lowest jitter 50MHz output

Posted on June 22, 2011 at 00:03I have three questions regarding clock configuration for the STM32F207 / STM32F217: 1. Is there any advantage to using any specific HSE frequency between 4MHz and 26MHz that is evenly divisible by 2, if the goal is t...

pmoore by • Associate II
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