stdio via USB virtual COM port
Posted on April 04, 2009 at 17:08stdio via USB virtual COM port
Forum Posts
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...
Flash Read and Write Problem
Posted on March 19, 2013 at 10:40Hi, I want to display 2 parameters(ID and BD) value on seven segment display. The values will be dynamically changed, so every time I want to write these 2 byte of values on FLASH memory and every power ON or Sy...
STM32F3Discovery, replaced MCU with STM32F407VGT6
Posted on March 21, 2013 at 00:23Hi,I have a STM32F3Discovery eval. board which I used to build an IMU controlled by a computer through Graphical User Interface. This is an excellent board (9 Degrees of Freedom) and it is a good way to start.I have ...
problem on 3V3 IO to drive 5V chipset with SPI
Posted on March 19, 2013 at 16:07Dear everyone, I met a problem when I try to use the SPI (3.3V) to drive the meganetic isolation ADum2400 which is powered by 5V.The SPI pin are remapped to SPI3 (PC10, PC11, PC12) and the CS pin are remapped to ...
I2C witch PCF8574P (keypad 4x4)
Posted on March 20, 2013 at 20:14Hi,I would like to control keypad through PCF8574, but some problemsare occurring like (reading only one time), and receiving 'ack' even disabled.''http://www.nxp.com/documents/data_sheet/PCF8574.pdf''(see de picture...
STM32F4xx RTC issue: inconsistent TR, SSR values near update time - befuddled!!
Posted on March 20, 2013 at 17:36 I'm having an issue wherein TR and SSR values don't logically match up, on an approximately 1 Hz read cycle where reads occur very close to the RTC update time. I'm perplexed, and almost ready to throw my board o...
