Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on September 26, 2017 at 17:56If I have .ioc project for a UFBGA176 and then I want to migrate to an LQFP144, is there a way to proceed with STM32CubeMX without loosing all the work in 'Configuration' tab?In other words is there a way to sepa...
Posted on October 30, 2017 at 10:26Hi,I am using the B-L072Z-LRWAN1 board running the End-Node example.I added 4 GPIO external interrupts on PA0,PA2,PA3 and PA4.Before the the board goes into Stop Mode all 4 intterupts works as expected.//----PA0, P...
Posted on October 30, 2017 at 09:18hi.i want to use LCD 4*20 in IAR with CMSIS , but i didn't found any library for this.and if i dont want to write a library for lcd , what do i do ?where do i can found this library?or shall i write this library?o...
Posted on October 31, 2017 at 11:46Hello, I have timer 3 setup like this:ARR = 8400PSC = 99CCR1 = 4200CCR2-4 = 0xFFFFCR1.CEN = 1DIER.CC1IE = 1DIER.UIE = 1when i run my code after one interrupt all interrupt flags get set to 1, obviously this shouldn...
Posted on October 31, 2017 at 11:54hi. i work with the stm32f407vgDiscovery kit. i used the stm32f103rbNucleo kit before which has an stlink with a cirtual com port which i used with uart. the current board stm32f407vgdiscovery lists a virtual com p...
Posted on October 31, 2017 at 11:27I used the PA2 PA3,the TIM9->CNT do not changevoid MotorBEncoder_Init(void){ TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_ICInitTypeDef TIM_ICInitStructure; GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2Per...
Posted on October 31, 2017 at 10:17Heyis there a way to use an USB drive to update the firmware of a STM32L053.I know that DFU is a possibility, but I want to place the bin file on the stick, pressing the button at startup (or something like that).H...
Posted on October 23, 2017 at 07:33HelloI'm confused about prototypes of eeprom emulation in eeprom.h.I read the documentation but i cant undrestand. i want save 30 byte in eeprom with EEPROM emulation .i use stm32f103c8 with 64k flash and use 62 k...
Posted on October 31, 2017 at 05:40I am using STM32-NUCLEO-F401RE MCU and expansion board x-NUCLEO-CCA02M1 for detection of sound from Mic 1 of x-NUCLEO-CCA02M1 with timer value (clock) in micro second. I want to get the value of timer in microseco...
Posted on October 23, 2017 at 12:52Hi All,Due to CPU package change, I tried to change the CPU from Keil configuration. But the project does not work. So when I check the problem part, it is SystemClock_Config() where I am configuring the sysclk. ST...
