Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on March 13, 2015 at 12:33 Hi! I modified the following program to get a pulse of 5V and 40kHz of frequency. I tried it in an oscilloscope and I get a 4V pulse and 12,8kHz frequency. What is wrong in the code?? #include ''stm32f4xx...
Posted on April 13, 2015 at 17:04 Hello st! Today i bumped into a problem with code generation for encoders in CubeMx tool. I've read all topics on this site connected to timers in encoder modes, but all i've found was only not-working...
Posted on April 10, 2015 at 19:24Hi,I am trying to do semihosting, so that I can print debug messages to the console on Eclipse + OpenOCD.It works except that the printf s take a long time to print. For example if I want to print ''Hello World''. It...
Posted on April 12, 2015 at 21:22Hi,I have a page to use as data in the flash programme memory. I can read, write values and all this task works find.But I need to write an initial value at programming time. I mean, to write for exemple 0x00 when th...
Posted on July 07, 2014 at 16:48Hi everybody,I'm working with an ST-LINK from a discovery board STM32F4 to debug an external application on a custom board which embedded an STM32F0 (my target). The ST-LINK seem to be good because there's no proble...
Posted on April 13, 2015 at 04:22Hi All,I have an STM32f303 discovery board that I'm trying to interface with a New Haven LCD display. The LCD uses SPI for communication. I was able to enable SPI communication and I've been able to observe the data ...
Posted on April 09, 2015 at 05:04I a writing a USB HID program for STM32F107, but when i look at the USB HID library from STM, i am so confused and cannot understand the library for my own modification, such as where is the descriptor, how its value...
Posted on April 04, 2015 at 08:49Hi,I am a newbie in the field of micro-controllers and I'm having trouble programming the GPIOA parts as SPI1. Could someone please tell me where I could be going wrong? I would greatly appreciate if someone points m...
Posted on April 11, 2015 at 23:38Hi, I'm working on Xbee S2 module and I want to make it ' talk to itself' (just for testing). My data is sent out but I am not able to receive it back. My code: void USART_Config(void) { RCC_AHBPeriphClockCmd(RC...
Posted on March 21, 2015 at 03:00We get a big damage in this batch, we doubt about they might be counterfeit products. Are there any way to identiry them?
