Posted on November 21, 2017 at 05:47STMF4 is running and using some of the interrupts.A a new piece of code needs to be protected from all interrupts but a specific one, which has the highest priority in this application.The trivial solution: Go thr...

Posted on May 29, 2015 at 07:17System Clock Configuration tool is doing a great job to generate init code for STM32F405RG however it does not support external clock oscillator which is fed into OSC_IN (pin 5) only. (meaning Osc not Crystal).I suspec...

Posted on May 12, 2015 at 01:06Is there any clear recommendation from STM how should the firmware configure unused untied GPIOs? In past STM32F1 controllers we used to configure them as output '0' in order to avoid noise (our environment is very noi...

Posted on January 23, 2015 at 01:27An application which includes DMA over SPI communication protocol is running nicely once STM32F405 is powered up. However, once running the same code from debugger - it does NOT behave properly. What might be the c...

Posted on December 12, 2014 at 05:15Hello,An IAR I-jet JTAG Debugger and IAR Embedded Workbench for ARM version 7.10.are used to debug an STM32F101R8 based PCB. When using the same environment to debug STM32F405 - false values are received from the ...