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STM32f407 and bootloader

Posted on March 05, 2013 at 11:52Hi Is it possible to change the pins of the bootloader that is loaded inside the chip? As I read it is only usart3 and  only on PORTB. Thank you

sami by • Associate II
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full printf redirection

Posted on March 05, 2013 at 10:29Hello,I work with Atollic and STM3220 kit. I use the console with SWV. When I use printf with ''tiny_printf.c'' I have no problem.This is the method:in syscalls.c_write int (int file, char * ptr, int len){/ * Impleme...

pcu by • Associate II
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Timer Synchronization

Posted on February 26, 2013 at 21:26Hello!Use stm32f107vc.I'm trying to synchronize two timers (TIM3 and TIM5), as including the external trigger. Configure them, as described in RM0008 page 386:void TIM3(void){RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;TIM...

maryuriy by • Associate II
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Systick handler problems

Posted on March 01, 2013 at 04:44Dear,     I want to test the systick clock frequency. And use the systick as the RTOS system timer. It would be set to 1ms. And I use the configuration of the demo code as following:  if (SysTick_Config(SystemCoreClo...

xinjin by • Associate II
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Using the encoder mode with TIM4

Posted on March 04, 2013 at 21:06Hi all, I'm using an STM32F4Discovery (it's and STM32F407VGT6 on it).I'm trying to use the TIM4 timer to read a quadratic encoder (plugged on PB6-PB7), but somehow, it doesn't work.I'm using exactly the same code wit...

Background CRC32 in segments on STM32F4

Posted on March 01, 2013 at 22:32I would like to do a background CRC32 on FLASH such that I do 256 bytes at a time and get a final result.  The system must continue to run and meet RT deadlines while the CRC is calculated.  Additionally, communicati...

STM32L151 standby Power Consumption

Posted on March 04, 2013 at 15:21The original post was too long to process during our migration. Please click on the attachment to read the original post.

eva2 by • Associate II
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Rx interrupt showing frame error

Posted on February 28, 2013 at 16:54 I have to receive a data on my stm32f100 microcontroller which is sent from a software on PC through RS232 port. I am using IAR C compiler and in the interrupt handler i have some further sensor related progr...

kunal5959 by • Associate II
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I2C1 interrupts setup

Posted on March 04, 2013 at 11:31 Hi, I am trying to make the I2C work in slave mode in a STM3241G-EVAL. I want to comunicate the stm32f417 with a mother board that is running Linux (that will be the master). I am in the very begining a...

occam25 by • Associate II
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