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SLevi.1
Associate III
since ‎2021-09-04
‎2024-06-13

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  • 20 Posts
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Setting RDP option byte in STM32L452

2024-01-09
I have a problem programmatically setting RDP to level 1.My code is:OBInit.RDPLevel = OB_RDP_LEVEL_1;OBInit.OptionType = OPTIONBYTE_RDP;ret = HAL_FLASH_Unlock();ret = HAL_FLASH_OB_Unlock();/* Clear SR register */CLEAR_BIT(FLASH->SR, FLASH_SR_BSY);ret...

STM32L452 LSE not starting

2023-11-08
I have an STM32L452 rigged to use an external clock so we can keep the RTC running. Schematic attached.X2 is a clock from SiTime, programmed to be 32.768kHz. C36 is a supercap acting as battery backup. I used STMCube to generate the startup code to f...

St-Link V3 SWD to stm32L452 JUST DOES NOT WORK

2022-06-23
Cube programmer (and st-link utility) cannot find the target when I try to connect to flash a device. I am using the SWD connection to my target. I have connected T_Vcc, gnd, clk, dio & nrst on CN6 of the MB1440B mezzanine board. Cube programmer reco...

Crypto lib - how to load .pem file? I have to use a public key provided to me in a .pem file to encrypt an array of bytes. What is the easiest way to compile or include the .pem file into STM32CubeIDE project as an array of bytes?

2022-06-01
Also, the crypto functions require a key made up of an exponent and a modulus. The examples only show these as two separate arrays. How do I get from a single array I have hopefully included from the pem file into these two separate arrays? What is t...

How to measure STM32L452 internal temperature using HAL and DMA?

2022-03-06
Is there a step-by-step example anywhere, known to work? I have followed numerous examples from several forums, but still no luck. The ADC value I get from the internal temperature sensor is always around 880. This equates to around 1 degree celcius ...
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