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Associate II
since ‎2018-07-19
‎2023-06-14

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Flash sector erase is taking too long

2019-01-30
Hi all i'm developing a bootloader on a stm32f407. I want to erase all the flash sectors except of the first 3 which i have the bootloader code. The problem is that to erase a sector it takes 1 second and i have an external watchdog on the board tha...

can't escape while loop in SystemClock_Config();

2018-06-14
Posted on June 14, 2018 at 09:35So i noticed something interesting. When setting up a project with cube or looking at a ST example for USB host the Config for system clock is like this.RCC_OscInitTypeDef RCC_OscInitStruct;RCC_ClkInitTypeDef RCC_ClkI...

Firmware upgrade from a flash disk using USB HS in host mode

2017-08-28
Posted on August 28, 2017 at 11:46I found an example that ST gives for STM32F4 Discovery it's called FW_upgrade. Its a bootloader that uses the USB FS in OTG mode and it upgrades the firmware from a flash disk. BUT..this example uses the old librari...

Code stuck on HAL_I2C_Mem_Write

2016-11-16
Posted on November 16, 2016 at 09:06 Hello everyone, I'm using a STm32F407 that communicates with an eeprom throught I2C. Although most of the time it's working fine when i'm running the code with the debugger(i have the ST link/V2 ISO) often...

st32F I/O protection circuit

2016-08-24
Posted on August 25, 2016 at 07:42Hello everyone, i have a st32F407 and i was thinking if it is working on 3.3V and almost all its pins are 5V tolarant what kind of protection circuit it has for overvoltage and ESD. I saw on the reference manual in ...
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