Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on September 06, 2013 at 15:35 Hello,I'm trying to measure time between two pulses on a pin. Time between pulses is in 10 - 100 uS range so I can't use millis function. What I'm trying to do is use TIM2 CNT register. Since my APB2 clock is ru...
Posted on September 11, 2013 at 15:20Hello,I'm developing firmware(FW) for STM32F103RE mcu, an USB & UART bluetooth module (PAN1321i) connected to mcu. Application has 4 working modes. In all the FOUR modes FW supposed to send & receive data to USB ...
Posted on September 11, 2013 at 21:17Hello dear forumers,I have troubles finding any tutorial how to supply my stm32f3 with an external power supply.Are there any particular things i should be aware of, or should i just plug in stable 5V between a ...
Posted on September 10, 2013 at 16:45 Hi, For the moment I am using the channel2 of the Timer 2 in capture mode. At each rising edge of the signal, the timer is captured and reseted; It works fine; My code is this following: G...
Posted on September 10, 2013 at 17:02Hello All. In my app. I have I2S Transmitter with External Clock. I want to test the clock frequency. At clocktest.c I make: [code] volatile u32 clknum; extern volatile u32 SendTmr; void ClockTest(void){ Del...
Posted on June 14, 2012 at 10:00Hi all,I'm working on a project with a dumb TFT LCD (320 x 240). I'm trying to display static images (no double buffer). I've been able to display images (in 565 format) that I load on the flash memory and refresh it ...
Posted on September 09, 2013 at 10:05Hi all.I just got the prototype of a new hardware last week and had some trouble in debugging.I use a quite simple setup:- STM32F105R8- External 16MHz Crystal- Outputs to control indication LEDs- SWD for debuggin...
Posted on July 16, 2012 at 18:26I have a large 5x7 pixel font table that I want to store in flash memory instead of RAM memory. I am using Eclipse with the ARM GCC plugin.I am hoping there is something similar to avr/pgmspace.h but obviously for STM...
Posted on September 09, 2013 at 23:32Hi all,I'd like to define a callback function which can be invoked when USB receives something from the host. Where should I implement this in the STM32-USB-FS-Deivce library?I know that in Atmel ASL I can do so...
Posted on October 24, 2012 at 17:13Hello everyone, I have been experiencing an issue with USB recently on which I wouls need some tips. I have an Olimex H103 board running a STM32F103 chip. I have been running my code on it and usb works fine. I hav...
