Posted on November 23, 2012 at 14:34hello,my stm32f4discovery board started not working without connecting external 0-5V power supply to GND and 5V pins.when i plug usb only, nothing happens, none of the leds light. if i connect external power addit...
Posted on November 22, 2012 at 21:53hello forum I am trying to compile a C program for STM32F4 microcontroller with Eclipse + yagarto compiler I get the error;undefined reference to `_impure_ptr' there is no function ''impure_ptr'' in whole project...
Posted on November 23, 2012 at 13:52Hi For future projects, I'm looking for the most easy to deploy and foolproof way to communicate between a STM32-based system (mostly L1, some F1) and a PC host. There seems to be 4 ways (Ethernet is not available...
Posted on March 19, 2011 at 09:36Printf in Keil
Posted on November 23, 2012 at 05:08Or, in general, how to printf() numbers with decimal point? Thanks #floating-point---just-say-no
Posted on January 25, 2011 at 15:42STM32F103XX USB MassStorage bootloader #source-of-information #lmgtfy
Posted on November 23, 2012 at 05:50i am using stm32f4 discovery board. In rtc peripheral example(rtc_timer) ..\stm324xg_eval_lcd.h(39): error: #5: cannot open source input file ''../Common/fonts.h'': No such file or directorycompiling stm32f4xx_it...
Posted on November 22, 2012 at 13:53Hello, I have fully working I2S with external codec (TLV320AIC23). I have decided to save a crystal and feed the clock to the codec from the I2C pll. So according to the codec pdf this clock needs to be constant (...
Posted on November 22, 2012 at 17:33Sometimes, when writing single blocks to the SD-Card, the TX FIFO underruns and generates an error. If this happens I want to write the block again immediately. Before the block is written, I do a CMD16 command (S...
Posted on July 27, 2012 at 02:58Just curious if any one else has issues with, or has a workaround for an issue I've been experiencing with the SDIO controller on STM32F20x devices.I'm developing a data logging that writes data to SD card at the rate...
