Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on May 22, 2017 at 12:14Hi,I am usingthe STM 32l476RG . I want to interface 2 same controllers with CAN protocol. So as there was no example for the Eval_board for this controller can u help me out what the set up with MCP2551(CAN transceiver...
Posted on May 22, 2017 at 10:59Hello,I'm using STM32F207 with external USB-PHY in device mode.I want to enter standby mode by SuspendCallback of USB. Because it is not possible to wakeup the STM32 by interrupt (ResumeCallback), I want to use the wak...
Posted on May 22, 2017 at 11:06Hi，I use STM32L431RCT6,The pin of Boot0 is connect GND via a 10K Reg.the software use MDK5 and U_link2,when I debugger,the programme run at 0x1FFF3F36。this adress is system memory.when the boot0 is GND,the programe...
Posted on May 22, 2017 at 11:03Hello,I'm using ST-LINK_CLI.exE to program the controler. I want to enable read out protection and to make cpu run after programming. Here is the script:ST-LINK_CLI.exe -listST-LINK_CLI.exe -c ID=0 SWD freq=1000 UR ST-...
Posted on May 20, 2017 at 09:54I'm trying to launch I2S on STM32F407. Clocks work fine, WS is what I want (8k, 44.1k, etc), CK is 32*WS, MCK is 256*WS. The problem is that data is transfered at a lower speed (twice lower). I.e I send 1000 bytes duri...
Posted on November 25, 2015 at 15:51Hello,I need some help with the installation of a STM32F7 Discovery Board.I would like to debug it via the integrated ST-Link/V2-1 in EclipseSo far I use the Atollic GDB and OpenOCD (with the STM32F7 support: http...
Posted on May 20, 2017 at 23:09I have an STM32429I-EVAL1 board. I have these working happily:* microSD at 25MHz with 4-bit interface, using DMA* USB OTG HS as an MSC device* FatFs talking to SDIO with 8-10 MB/s throughput (write/read)* USB (from Win...
Posted on May 21, 2017 at 18:29More of a bad thing, here's a way I poorly stitched together of loading bitmaps off USB thumb drive and onto the on-board QSPI flashhttps://github.com/ProjectsByJRP/USB_OTG_to_QSPI_Flash
Posted on May 20, 2017 at 01:09Hi I am trying to use STM32L476 with several I2C devices, STM32L4 operates @3.3V whereas one of the I2C device is operating @1.8V - I need to avoid using level shifting hardware, there is provision of VDDIO2 and when u...
Posted on May 18, 2017 at 22:10In I-CUBE-LRWAN V1.1.0 RegionCommon.c there's a function that returns the next duty cycle delay as follows:TimerTime_t RegionCommonUpdateBandTimeOff( bool dutyCycle, Band_t* bands, uint8_t nbBands ){ TimerTime_t nex...
