Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on April 29, 2013 at 20:22hello forum , I am using openOCD JTAG with Eclipse for downloading my code into STM32F4 I have a question ; how to read protect my F4 after I download my code ? thank you #eclipse-openocd-read-protect
Posted on May 10, 2013 at 09:00i have connected a potentiometer(via stm32f103 3.3 v) to stm32f103 adc channel 1 (ADC1_IN1), with continuous mode, sampling 1.5. i am getting the values in DR register, and want to change the values during run time by ...
Posted on May 15, 2013 at 05:08Hi, everyone. I am trying to control a slave device by SPI Communication. But I have a problem with SPI, SCK is not output when receiving a data. Tx is OK. Why does this problem happen? I hope you help me to slove this...
Posted on May 14, 2013 at 23:40I am trying to use GPIO Pin PE9 and PE10 as outputs to a system. From using the STM32L1Discovery Board I know that the GPIO Output voltage should be 3 V. But when I am using the F4 BOard my output on PE9 is 2 V and P...
Posted on May 14, 2013 at 17:31I have 3 STM32L152 discovery which anser ''Unknown target connected'' when I load a program from keil.I try setting BOOT0 HIGH when I push the reset Button .There no result.Best regardsYves de Brest
Posted on May 13, 2013 at 11:19Hi, I am trying to playback a file with short PCM data recorded at 8KHz, 16bits, mono. I have tryed to configure the I2S with ''I2S_Standard_PCMShort'' but I can�t hear any sound. I have made a file like the file ''aud...
Posted on May 13, 2013 at 11:10Hi guys, i've a problem with USART communication using interrupts.Using only USART device, the communication works correctly.When i try to using the usart device with some other timers interrupt routines with timers ab...
Posted on May 13, 2013 at 20:56Hi, in STM32F4 RM 26.3.12 it says, that ''USART supports only bit rates up to 115.2kBps for the SIR ENDEC''. Can anyone tell me the reason? (115.2kBd must be an increibly low data rate for a 168MHz processor). In fact ...
Posted on May 13, 2013 at 00:12I am successfully using I2C control and I2S to send data to the CS43L22 and producing simple sawtooth--> musical notes(see http://www.mind-dump.net/configuring-the-stm32f4-discovery-for-audio#comment-1344). When I try ...
Posted on May 04, 2013 at 06:01I am trying to implement at FAT FS on the STM32F4 Discovery board...the firmware package provided by st supplies third party files. But are these files enough to implement the FAT FS on the STM32F4 board? Or is there ...
