SysTick Maths
Posted on December 04, 2013 at 05:22Hello , I have configured systick for 1 ms in Discovery Board using Systick_config function.But I am not getting properly 1 ms... SystemCoreClock = 144 MHz...Urgent Help needed ...... ...
Forum Posts
STM32F401 sampling now
Posted on May 14, 2013 at 19:37The http://www.st.com/pr-stm32f401 is the entry-level microcontroller in STMicroelectronics� high-performance http://www.st.com/pr-stm32f4 featuring the ARM� Cortex�-M4 32-bit/DSP core. While running at lower frequency...
USART Issues after wake up from stop mode
Posted on December 03, 2013 at 19:56Hello,I've succesfully started programming a STM32F0Discoveryboard: MCU is running on HSI (8MHz) at runmode.MCU is going into/outof stopmode every 5 seconds using the RTC running on LSE (32.768kHz)USART1 is conn...
UART DMA STM32F4 Discovery
Posted on December 03, 2013 at 21:45 Hello I found an example of using DMA with UART on STM32F407 on this thread UART with DMA mode but i can't make it work. I use a STM32F4-Discovery and i try to see if DMA1_Stream2_IRQHandler is called...
Reflashing STM32F4 Discover WiFi (STM32F4DIS-WIFI) modules
Posted on December 04, 2013 at 13:21Hi , I bought STM32F4 Discover WiFi (STM32F4DIS-WIFI) modules through element14. Queries 1. I need to change UART baud rates. I am not sure how to do that as the user manual is not very clear about re-flashing STM...
9bit SPI Interface
Posted on December 03, 2013 at 09:26Hi. I want to know that there are any MCU which support 9 bit SPI interface. Do you know that? I will wait for your answer. Thanks.
Problem with lwIP examples (STM3210C eval)
Posted on December 02, 2013 at 23:38I am recently working on lwIP. I have a STM3210C eval board. I installed pragram codes. And I connected my board to modem using Cat5e ethernet cable. LCD is working, I think, that shows program is properly instal...
RTC TIMESTAMP when a TAMPER event occurs
Posted on December 03, 2013 at 22:32 Hello Guys, I am trying to make the RTC timestamp feature works but I couldn't. I have to detect a tamper event during anytime, even if the MCU is turned off, for this reason I have connected a batter...
SPI issue. CLK Signal with a Level
Posted on November 25, 2013 at 16:08 Hi everyone, I am trying to implement the SPI1 by hardware in my STM32F407VGT6, I did everything and actually it seems to work. But I was trying to read the ID from my SPI device (which is a Flash ...
STM32F32439I-EVAL and DCMI DMA issue
Posted on December 03, 2013 at 18:21Hello! I've successfully started an OV2640 camera, transferring 320x240 image to SDRAM on STM32F32439I-EVAL board. I want to make a bigger picture (640x480 for awesome onboard screen), but DMA transfer only suppor...
