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STM32F042 jumps to ST bootloader issue

Posted on February 01, 2018 at 03:03I have an application and want to jump to ST bootloader. It does not work and it seems to jump back from bootloader.<LINK NO LONGER ACTIVE> https://community.st.com/0D50X00009XkYG6SANFrom AN2606, STM32F042 should ...

jiangpen by Associate II
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How to obtain 1.25 MIPS

Posted on February 16, 2018 at 14:52HelloWith my previous experience with Atmel 8bit MCUs, which have 1MIPS/MHz perfomance, I had exactly 1 executed instruction per systick.Now I'm using STM32F103. I noted from datasheet that its perfomance is 1.25 ...

Roman K by Associate II
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stop mode in stm32l0?

Posted on February 18, 2018 at 12:17hi,i am new in stm32l0 i have configure ADC, RTC,LPTIMER and UART count the external pulses in stop mode after 1 min wakeup from stop mode using ALARM send the data using uart to PC but i need help to enter the st...

Quad SPI after dummy cycle bug

Posted on February 18, 2018 at 18:16Hi,I am using the Quad SPI peripheral of thehttp://www.st.com/en/microcontrollers/stm32f767zi.html.After I played around with it and watched the signals with an logic analyzer and oscilloscope, I noticed something...

standard peripheral libraries help

Posted on February 18, 2018 at 12:43hello can anybody help me about these code//////////////////////////////////////////////////////////////////////////////////////////////* Enable SPI in Master Mode, CPOL=0, CPHA=0. */ /* Clock speed = fPCLK1 / 256...

STM32F429I USB Pendrive + FATFS

Posted on February 18, 2018 at 13:01https://www.youtube.com/watch?v=YYVI4ZBqY84Hi there, i just wanna build an application to log some sensor mesures to an USB drive attached to board user USB, using an usb-otg plug. I can't get working the usb devi...

CubeMX Feature request: set log level on command line

Posted on February 18, 2018 at 12:09Hello,I'm using cubeMx with command line and scripts as part of my build process . That's really usefull.But CubeMx generates a lot of log informations that are certainaly usefull for cubeMx developers but not tha...

JulienD by Senior
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HAL_FLASHEx_Erase() fails using FreeRTOS

Posted on December 15, 2017 at 16:26Hi all,I am developing a bootloader + update system which needs FLASH pages manipulation (unlock/erase/program) from a FreeRTOS task.The same unlock/erase code works fine if called before the os scheduler is launc...

micro sd problem

Posted on February 18, 2018 at 09:33hello i use stm32f107vct6 and stm32f103c8 and keil v5.i use rl-keil for initial micro sd and work good.but sometimes (its very random on 1 minute or many hour) memory doesn't work and i can't read and write.i conf...

HAL Full duplex USART kluge fix

Posted on February 18, 2018 at 06:18It turns out that the Hal example  two boards com DMA works only in a simplex mode. The USART is put in DMA rx mode and then, after a packet is received, it reinitializes the USART handle, sends a response, reinit...