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stm32_IAP

Posted on March 28, 2013 at 11:12Hi, My application requires a bootloader that loads an application into a FLASH device. I have created two different applications: bootloader.  start  0x08000000 A FLASH application.            start 0x08001000 if i ...

kaabiines by • Associate II
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STM32L151xx Cloccking PLL from external reference

Posted on March 26, 2013 at 17:15The Reference Manual states ''The internal PLL can be clocked by the HSI RC or HSE crystal.''Is it possible to clock the PLL by feeding an external reference into OSC_IN?If there is no signal present at OSC_IN will t...

F4 Timers - frequency divider?

Posted on March 28, 2013 at 12:14Hello, sorry for maybe stupid question, but I can't understand - how to make the frequency divider using STM32F4's timers? I mean how to divede the frequency of the external signal and output it from CPU? Tnanks. ...

RCC_CFGR_HRPE Bit? (SysClk Devider)

Posted on March 28, 2013 at 10:12Hi, in the file System_ST32F4xx.c of the ST4Discovery examples, I always find the following 2 lines for the clock configuration (SysClk 168MHz):    /* HCLK = SYSCLK / 1*/     RCC->CFGR |= RCC_CFGR_HPRE_DIV1;         ...

flyer31 by • Senior
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USB HID Demonstrator

Posted on March 19, 2013 at 14:47Hello.I found the USB HID Demonstrator application. I want to test it with my STM32F4 Discovery board. But i don't have any code in the microcontroller to communicate with this application. Can anyone help me to find...

HardFault_Handler exception problem

Posted on March 27, 2013 at 23:32Hello all,I will apreciate any help that can give me some light to understand what is happening.The firmware has a loader, data flash and an application.ROM memory mapping:* Loader 0x0000h - 0x3FFFh* EEPROM DATA 0x...

juanjo by • Associate II
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Needed memory for embedded linux

Posted on March 28, 2013 at 07:12Hi,      I have to know whether how much amount of program memory will need to debug a Embedded linux in controller as well as needed RAM size to load the linux application. Am new to this platform, So could you plea...

Number of ADC channels in STM32F207Zx?

Posted on March 27, 2013 at 21:57Hi, Trying to get my head around how many ADC channels that are available in STM32F207Zx chip. Datasheet p14 Table3 claim ''Number of channels = 24''. Also on p.1 ''ADC with up to 24 channels''. OTOH, Reference manua...

optifier by • Associate II
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Code Red / Red Probe with the 32F4 DISCOVERY board

Posted on March 26, 2013 at 12:43Hi Folks I just thought that I would say that using the Code Red tools with the Discovery Board is quite simple:Move the soldered links on SB3 and SB7 to SB2 an SB6.Then all the debugger signals are available on the ...

bl by • Associate II
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