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STM32L031x6 custom bootloader

Posted on March 27, 2018 at 16:07Hello!  I manage to write a custom boot loader in STM32L031E6 using I2C interface.  To do so, it requires the MCU to provide at least the following features:1. Reallocation of vector table2. API functions for interna...

Question about linker script

Posted on May 06, 2018 at 06:03Hello,I am trying to write a firmware upgrade and bootloader module for a hobby project of mine. I am using a STM32L4 chip.The bootloader is a customer bootloader residing in the first bank taking about 10 pages of fla...

STM32F031 PWM input capture without CubeMx.

Posted on May 03, 2018 at 15:03Hello I am Alexandre,I am working on STM32F031C4T6I succeed to read the duty cycle and period of PWM on port PA8I tried to do the same on port PA4, PA6, PA7, PB0, PB1, PB10 and PB11, but it is not working at all.Here m...

STM32F4-Disco Strange Glitches on SPI1

Posted on May 04, 2018 at 13:07i have a STM32F4-Disco configured SPI1 / SPI2 as slaves to observe the in- and output of an external SPI-device (done with CD4021/CD4094 shift registers) and output something on SPI1 (MISO PB4) . SCLK goes to PB13 (SPI...

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DMA With TIM3

Posted on May 03, 2018 at 13:24Waclawek.Jan‌ELMHIRI.Syrine‌Turvey.Clive.002‌Hi all,I have to generate a PWM signal of 15%,40KHz  with a short pulse in response with a input.the task is, at initial the input state will be low. when input will b...

sanju by Senior
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IDLE interrupt on STM32F0 fires when enabling it

Posted on January 31, 2018 at 15:53Hi, I am trying to implement variable message length UART reception using USART IDLE IT and the DMA on the STM32F072 as detailed in this very helpful https://community.st.com/0D50X00009XkW2nSAF. I have discovered t...

B Zikhali by Associate III
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How to TIMEOUT within DFU bootloader?

Posted on April 23, 2018 at 18:55My STM32F405 widget uses the DFU bootloader to reflash:  the user holds down several buttons in a super-secret pattern, and my firmware jumps to the bootloader.....  at which time DeFUse software can a) reflash over ...

Goof Ball by Associate III
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