Forum Posts
STM32L100C-Disco board standby mode
Posted on May 02, 2018 at 23:01When using the STM32L100C-Disco Board i use the command,HAL_PWR_EnterSTANDBYMode()but when I measure the current on I_DDpins using a multimeter on the uA setting (using a Fluke 87), I read a value of ~282uA, which is h...
STM32F04 ADC multiple channel DMA single shot mode problem
Posted on May 10, 2018 at 08:02Hi ALL,I develop an application based on STM32F04. There are 3 ADC channels and I used DMA to collect data from these 3 channels.It can get correct data from ADC, but there is a problem.If I call the HAL_ADC_Start_DMA ...
STM32F4 CAN HAL
Posted on May 09, 2018 at 17:11Hello, For every peripheral like SPI,I2C,USART , etc, ST's HAL gives 3 types of apis like poll, IT and DMA . Why this is not applicable to CAN bus ? I dont find an api like can_transmit_IT or receive_it in the latest s...
Reserve Flash for user data
Posted on May 09, 2018 at 12:28Hello, I would like to save some data in the internal flash memory of an STM32L476. I found examples and guides and I was able to write and read data from flash. But I have a question: is the internal flash memory t...
STM32F407 PGPERR PGSERR
Posted on August 11, 2014 at 12:00 Hi, I'm having a peculiar issue when jumping from my application code back to my bootloader. Before jumping back to the bootloader I disable all peripheral as shown in the code below. But when the HAL_NVIC_...
USART bootloader, make connecting to device more dependable
Posted on May 09, 2018 at 18:27I have written a firmware updater for the STM32F417, using the USART bootloader as described in AN3155. The updater/installer app is written in C# as a Windows app. It works on my dev computer (Windows 10), but additio...
Resolved! RS485 Driver Enable
Posted on May 08, 2018 at 19:44Is there somewhere a better description about this feature, than there is in the f070 reference manual? Maybe an example?I don't quite seem to understand how it's supposed to work. Or does CubeMX handle it somehow inco...
bor stm32 programming
Posted on May 09, 2018 at 18:12Can someone show me a simple program to read and write the option bytes on the STM32L476VGT using the STM32 HAL libraries? I only want to change USER parameters values, as the BOR level.I'm trying the following code, b...
GPIO pin behavior during JTAG programming
Posted on May 09, 2018 at 16:06Hi,this question may be hardware related. I saw some weird power ripple when I programming the STM32L4 device with JTAG. so can anyone explain what are GPIO status during JTAG programming? will it draw high current or ...
