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STM32 I2C ''ACK Polling''

Posted on January 18, 2012 at 12:40Hi all, I need an expert advice. How to poll for ACK from addressed Slave device? The background is, if the setup has a variable count of slaves and how to get the available slaves? The second case is the M24C64 EE...

Artur1 by • Associate II
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Compilation problems for stm32

Posted on January 18, 2012 at 04:38 I have set up my toolchain under WinXP like that: 1. downloaded codesourcery LITE g++, installed it 2. downloaded Eclipse with C/C++ support 3. downloaded GNU ARM PLUGIN for Eclipse, and instal...

Why are resistors required on the boot pins?

Posted on January 17, 2012 at 10:46Hi, on the pins BOOT0, and also BOOT1 if used, the demo boards as STM32F4Discovery or others always use a resistor in line with the pin. The value varies quite much - in the AN3320 reference design, they use 10kOhm...

flyer31 by • Senior
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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...

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