STM32 MCUs Products

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Freeware compilers for STM32 family ?

Posted on May 05, 2017 at 04:02I am new to the STM32 world.   I've played a lot with many 8051 varieties and now want to expand.   I am thinking of buy a few of the really simple STM32 boards to play with, and just start writing code from scratch.I'...

STM32F100: Problem reading sensor via I²C

Posted on July 29, 2015 at 13:47 Hello, I am new to STM I started with the STM32100E-Eval Board which features an STM32F100Z3 MPU and a STLM75 temperature sensor, which connects to the MCU via I²C2. Using STM32CubeMX, I set up th...

pascal23 by Associate
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STM32F765 FatFs, SDIO, DMA, FreeRTOS HAL 1.8.0

Posted on September 15, 2017 at 23:53I have been struggling for a week now trying to get FatFS working over the SDIO under FreeRTOS.  I was making some progress debugging through the HAL but I have come to a difficult part to debug.While debugging t...

Stephen28 by Associate III
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HardFault and working reverse GPIO Pins

Posted on September 14, 2017 at 15:12 Hi friends, I've got problems with STM32F0 series also same F1 now my real problem is getting a HardFault ,when I try to work with Nrf24lWhen process arrive this line 'TM_NRF24L01_SetTxAddress(&hspi1, TxAddres...

Zek_De by Senior
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[OTG + documentation + Cube] OTG_HS_GUSBCFG.TRDT values

Posted on August 29, 2017 at 23:06In RM0090 rev.15, OTG_HS_GUSBCFG.TRDT description (p1410) links to Table9, which gives a single value, 0x09.However, in CubeF4, the TRDT value is determined based on the actual link speed (regardless of whether inte...

STM32CubeL4 1.9.0 CubeMx 4.22.1

Posted on September 14, 2017 at 22:45There might be an ADC clock issue when the project is configured with CubeMx 4.22.1 and 1.9.0 CubeL4.When SAI clock is selected for ADC in CubeMx the HAL_RCCEx_PeriphCLKConfig called by SystemClock_Config returns...

ax0018 by Associate III
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STLink-V2 VCP @ 115,200

Posted on July 10, 2017 at 23:40I'm running into an issue with the STLink-V2 VCP when transmitting TO the dev board at 115,200. It is suspiciously similar to this old post, except in the opposite direction: https://community.st.com/0D50X00009Xkh6hSA...

jcsoo by Associate II
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ST-LINK VCP with flow control?

Posted on September 14, 2017 at 23:01The newer version of ST-LINK (intended for mbed) supports on several boards, e.g. STM32F4 DISCO1, the UART as USB VCP (ST-LINK chip acts as the USB UART bridge, e.g. Tx/Rx going to UART1 on the MCU).It works fine...

Is there a USB HID example not using CubeMX

Posted on September 15, 2017 at 07:00Hi   I am about to select a STM32L0x device with USB , and trying to find an example on how to use it as a HID . I want to connet the device to a PC where I can communicate with it via a Windows application I hav...

Reliable U(S)ART between two STM32 MCUs with internal oscillator

Posted on September 15, 2017 at 11:37Hello!I have a best practice question.Correct UART communication requires the transmitter and receiver clocks differ by less than 5% (2.5% per MCU), otherwise communication errors may occur. For the temperature r...

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T B by Associate II
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