stm32l152d-eval_fw Waveplyer demo issu using DMA
Posted on June 03, 2012 at 18:14Hello, When I Enable DMA for Audio Transfer mode I never see any DMA events being triggered and demo does not work,as anyone have used this demo ?? Thanks gafsos
Forum Posts
what will be the output of PWM if I stop the timer ?
Posted on June 06, 2012 at 19:56hello forum , if I stop the timer --> TIM_Cmd(TIM5, DISABLE); do some job and restart the timer --> TIM_Cmd(TIM5, ENABLE); 1)does the PWM output change in between ? 2)does the counter start from zero or from the c...
After three power up, my STM32F407VG is totally blocked
Posted on June 04, 2012 at 18:02Hello, I select the ''BOR'' Level 2 with these lines after init: FLASH->OPTKEYR = 0x08192A3B; FLASH->OPTKEYR = 0x4C5D6E7F; while(FLASH->SR & FLASH_SR_BSY); FLASH->OPTCR = 0x0FFFAAE4; FLASH->OPTCR = 0x0FFFAAE6; ...
issue of reading RTC
Posted on June 06, 2012 at 08:48Hi All,I am wondering if there is an internal interlock that prevents the RTC from being updated while the registers (RTC->CNTH and RTC->CNTL) are being read.There is a situation where RTC->CNTH has been read RTC then...
Starting with a STM32F100CBT6B
Posted on June 05, 2012 at 21:30Hello, I am new to ST micros and this is my first attempt to design a board based on a 32-bit microcontroller. I've designed a very simplistic circuit with all of the GPIO ready for use for experimenting with breadboa...
gdb backtrace/ exception handlers
Posted on May 24, 2012 at 20:20Very occasionally, my code takes an unexpected exception and ends up in a default handler :)I'd like to write such a handler so that GDB can successfully unwind the stack. For example,default_handler (void) { asm(''ld...
USART3 interrupts - stm32f4xx
Posted on June 04, 2012 at 05:32Anyone have any example code for USART Interrupts? I've tried finding some example code to work off of.
linux toolchain for smt32f4
Posted on June 04, 2012 at 10:55Hi, i'm new in the arm world, and i have bought a smt32f4 (maybe not so good for a kickstart, but i'll survive). i'm compiling the gcc arm eabi toolchain, but i've also seen the Yargarto, is quite used here. For my fi...
SDIO+eMMC
Posted on June 05, 2012 at 09:10Hi Andrew, I work on an application with a STM32F207 and a eMMC memory (THGBM4G8D4GBAIE). I have some questions for you. Do you use a file system ? which ? I use the RL-Flash from Keil but it seems to not support sect...
STM32F105 Spontaneously Erased
Posted on June 02, 2012 at 01:27I have not received back two units with an STM32F105 that appears to have been erased in the field. The units are sealed, and show now signs of tampering. When received there is no response. When we connect the JTA...
