PWM for stepper motor
Posted on March 21, 2013 at 23:29hi all,please i need help. I have to generate 2 signals PWM like this:I think that we should insert a dead time. How to do it plz?
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STM32F USB Firmware (cdc class driver) bug (64 byte transfers from device to host)
Posted on March 21, 2013 at 10:46Hi, 64 byte transfers from my STM32F4 cdc driver to the host side fails. 63 bytes work, as well as 65 bytes. A quick forum search indicates that this is a bug in the cdc class driver firmware. A 64 byte transfer shou...
STM32F303 - disabling DMA during transfer
Posted on March 21, 2013 at 04:08I'm having difficulty getting deterministic behavior when disabling a DMA transfer in progress. I'm using DMA to feed the USART 2 transmitter from a buffer. When I need to queue up more data for the transmitter, I'...
Wakeup from timer interrupt
Posted on January 24, 2013 at 17:54Hi allI am using STM32 and trying to make the periodic wake up of the CPU from low power sleep mode , by interrupt from TIMER 9 , and I see the following strange behavior: I succeeded to wake up the CPU fro...
Problem: ADC configuration of regular channel and injected channel.
Posted on December 03, 2011 at 11:21Hello, I need help. I want to use both the regualar channel and injected channel in my project. The injected channels are configured in injected simulataneous Dual mode, single conversion, scan mode. The ADC1 is...
stdio via USB virtual COM port
Posted on April 04, 2009 at 17:08stdio via USB virtual COM port
STM32_USBD_OTG VCP example explanation
Posted on March 17, 2013 at 12:51Hi all, I am a beginner to USB and after some days of reading USB OTG library and RM0033 in the scope of getting started with USB. I'll to try to explain the virual com port example in my own words and fore w/o garan...
STM32F103RB I2C problem
Posted on March 19, 2013 at 13:12 Hi, I am trying to comunicate with MCP23016 by i2c and i am using STM32F103RB with uVision 4. The problem is that if I send 0x40 is the same if I send 0x41. Its the red mark on the code. My code is: ...
Flash loader demonstrator V2.6.0 version error
Posted on March 18, 2013 at 11:09I have a project with STM32F1, which is well programmed with the 2.2.0 version of STMFlashLoader.exe, but with the versions 2.5.0 and 2.6.0 the system gives message: bad parameter [files\STMicroelectronics\Software''...
STM32F0 IDE Setup & Blinking LED Video Tutorial
Posted on March 18, 2013 at 18:41Hey all, I made a video tutorial of how to blink an LED using the CooCox IDE with the STM32F0 Discovery board. I'm using the CooCox free open source IDE in order to avoid any type of code size limitations. Youtube li...
