Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on August 05, 2014 at 14:58Using an STM32F103, I want to wake from Stop mode by RTC alarm after 5 seconds.I have set EXTI on UART_RX and #17 for RTC.Here is what I know: I can put the MCU into Stop mode (via WFI).I can wake from Stop via UA...
Posted on August 05, 2014 at 15:12HiI'm trying to interface an OV7670 module using STM32F401 discovery board. First step is to get this SCCB interface going, which seems to be an I2C ripoff, http://www.ovt.com/download_document.php?type=document&DID...
Posted on July 22, 2014 at 10:53 Hello, I have a problem with the initialization of the SPI1 from my STM32F It doesn't work and I don't now what I doing wrong or what I forged. When I write something in the data Register ( SPI1->DR), nothing h...
Posted on August 02, 2014 at 08:21Hi,In the HAL documentation, stm32fxx_hal_uart.c & .h, I can read that in interrupt mode, the HAL_UART_TxHalfCpltCallback is called after half of tx is transfered but this is wrong.The HAL_UART_TxHalfCpltCallback is...
Posted on August 05, 2014 at 07:53Hi All, I am having an issue with I2C on the STM32F4. After successfully transmitting an address byte with values below 0xF0 , but when address value is more or equal 0xF0 (e.g. 0xF0, 0xF2, 0xF4 ..) - the slave ack...
Posted on July 17, 2013 at 16:46 Hi all, I'm trying to get a simple ADC working on the stm32f4 discoveryboard. At the moment I simply want to obtain an input value(ConvertedValue) as a variable rather than saving to memory inDMA. I'm struggl...
Posted on August 04, 2014 at 13:33Are there any reference designs or documents which show the SAI in use with TDM capable parts such as the Cirrus CS4244 (4In/4Out) ?Many thanks. #sai-audio-codec
Posted on January 29, 2013 at 05:28Using STM32F103ZE and IAR Embedded Workbench IDE 5.4 using assembler (no C). The program assembles and links with no errors. When selecting ''download and debug'' option the following errors occur: Warning: __vecto...
Posted on August 04, 2014 at 12:05Hi all!I'm trying to configure DMA2 to trigger an interrupt on ''transfer complete'' event. I'm using DMA2 to transfer data from ADCs to memory. However, it seems that DMA2 never triggers an interrupt, but data is t...
Posted on August 03, 2014 at 00:32Hello! We are working in a product that comunicate with other equipments over ethernet interface over tcp/ip protocol, all works fine but sometimes something happen and just ethernet peripheral stop, all other perip...
