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documentation of reset behavior ?

Posted on January 16, 2012 at 18:35The cortex-M3 specification has the reset vector at 0x0000004.  The stm32 places it in flash at 0x08000004, but requires modifying the vector table offset as part of the startup code.  PM0056 says this: The Progra...

STM32w_rfControl board and SW3 SW4 SW5

Posted on January 16, 2012 at 17:48Im having trouble getting the 3 switched SW3, SW4 and SW5 to read anything other that '1' I have walked through the init code and all 5 of the buttons gpio definitions are seemingly setup via the low level routines...

Adress Type (Flash Memory)

Posted on January 13, 2012 at 10:23Hi,I want to read all the datas of the Flash Memory on STM32F103RB// Adress start value = 0x08000000 ,end value = 0x0801FFFF;while(Adress != 0x0801FFF) { FLASH_Unlock();              Data=*((uint16_t *) Adres);  //...

RTC + Sleep-now mode = problem

Posted on January 15, 2012 at 17:08 Hello. In my application i'm using RTC second interrupt (clock/calendar features) and RTC alarm event. I want the system to go into sleep-now low power mode (with all interrupts enabled and running) and wa...

Running user code from STM32F4's internal RAM

Posted on January 13, 2012 at 13:57Hi,I am new to ARM development, I just bought a STM32F4Discovery board and am experimenting with it. I was wondering if there was a way to load and run user code from the internal RAM; it would be very helpful if t...

multiple load in interrupts: any restrictions?

Posted on January 13, 2012 at 11:42Concerning the NVIC interrupt handler: I am a bit curious, how NVIC manages to keep log of the multi-load commands, if several interrupts would interrupt one each other. As far as I understand it, STM32 has 16 leve...

flyer31 by • Senior
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PE2 or PE3?

Posted on January 14, 2012 at 02:31Hi, On UM1472 - STM32F4DISCOVERY User Manual, page 27, says pin PE2 is connected to CS_I2C/SPI of LIS302DL. On schematics (page 30 and 35) the pin connected is PE3. Anyone knows what is the correct pin? Best regar...

jsmaia2 by • Associate
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