system_stm32fxxxx.c clock setting issue
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STM32F3 DSP_Lib problems
Posted on April 18, 2016 at 05:19 Hi Everyone.Its been a while between projects, and I'm still on the learning curve with STM32.I now I want to include the DSP library in my project STM32F3.I have downloaded the DSP_Lib from ST, it came with the ST...
F107 USART Tx DMA seems to interfere with Rx DMA, but just for a second or two
Posted on April 18, 2016 at 13:55Folks, I have a complicated set-up where I am receiving serial data via an RS485 transceiver. The USART Rx reads three bytes, looks at those three bytes and works out how many more bytes will be in the remainder of ...
LWIP + ETH: Degrading performance
Posted on April 13, 2016 at 12:51Hi everyone,I�ve implemented a websocket client that runs on a STM32F4 with FreeRTOS and lwIP 1.4.1.The client is supposed to send the machine status to the server each 5 seconds (plain text message).I let the client...
Interrupt edge minimum speed requirements?
Posted on April 13, 2016 at 01:28Hi, I'm currently thinking about anti-bounce for button inputs on my design and this brought me to the above question. As I'd like to avoid adding an extra schmitt-trigger for cost reasons, I'm doing the anti-bounce ...
STM32F103 Issues with CAN TX Mailboxes
Posted on April 16, 2016 at 23:47Hello,I'm working on a cpu intensive project involving CAN bus.My idea is to use all the 3 available TX mailboxes.I do my processing, fill up the mailboxes and trigger the transmission. Transmission is started just a...
small doubt regarding CAN in stm32F103
Posted on April 16, 2016 at 07:17Hi,I am using STM32F103 and keil compiler.I am configuring CAN, but while configuring I got small doubts.As we know CAN is multi-Master protocol. But in data sheet i can see (CAN1 Master) an CAN2 as Slave.Can anybody...
Timer, motor _speed
Posted on April 09, 2016 at 16:45Hello,I wanna calculate the motor speed using timer of STM32F4. I wanna know the time spended in one revolution. So , who would explain for me how can I do that . thanks a lot.
Need help with timer interrupts using STM32F7 and Mbed
Posted on December 30, 2015 at 23:27 Hello everyone! I'm having troubles using timer interrupts in with Mbed and aSTM32F7 discovery kit. I thought about using Mbed's ''ticker'', but I need an interrupt every 0.125us (8MHz). ...
Measuring the time duration between two pulses
Posted on May 23, 2013 at 17:11Hello,I want to do something ''simple'': measuring the time duration between two button presses. In my application, the user can press a button repetitively and the STM32F4 will calculate the time between two pulses to...
