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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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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. ...

stm32_IAP

Posted on March 28, 2013 at 17:14I call system_init function only in bootloader code : Reset_handle for bootloader is void Reset_Handler(void) { /* FSMC Bank1 NOR/SRAM3 is used for the STM3210E-EVAL, if another Bank is   required, then adjust the R...

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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  • 3 replies
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DMA,DCMI and OV9655 Camera

Posted on March 28, 2013 at 15:40 Hi, I have STM32F4 Discovery connected OV9655 camera module without using any external ram from LCD.I want to use PC interfaces in the other words from DMA to Usart2 Module.I have tested it in many ways from...

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...

OTP implementation in STM322xx

Posted on March 28, 2013 at 12:50As I look in ST example I didn't find any example for saving to the OTP. If there please link me to. Only found this function FLASH_Status FLASH_ProgramOTP(uint32_t Address, uint32_t Data)  I go threw the flash prog...

Barbie by • Associate II
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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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  • 2 replies
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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...

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