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Prisma · 2023-07-28

STM32WB55 UpdateCharacteristic size.Hello, I'm using the STM32WB55 on the NUCLEO Board.I need to change the Char_Value_Length in the same connection. For example, the first UpdateCharacteristic size = 50Byte and after change to 55 Byte.It is possibl...

Prisma · 2021-05-27

Hi,I have an STM32G0 with VBATT input for the RTC. When I restart the circuit, the time is reset.At the power On I write this instruction : HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1);Before of the Power Off :HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR1, 0x32F...

Prisma · 2020-11-07

Hello, I have a problem with a typedef struct.I made a typedef struct :typedef struct BMP280_HandleTypeDef{ uint16_t dig_T1; int16_t dig_T2; int16_t dig_T3;} BMP280_HandleTypeDef ;In my function I declare the instance of it :void myfunction{BMP280...

Prisma · 2021-05-27

Hi Jan,thank you. Solved the problem. It was a mistake during the RTC init() setup.Thank you for your help !!Pascal

Prisma · 2021-05-27

Hi Jan,Time=HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1);Return Time= 11001011110010What is the correct instructions for read the time and date after the Power On of the circuit ?Thanks for your help.Pascal

Prisma · 2021-05-27

Hi Jan,thanks for your help.On the Pin = 2.7 VHow does writing to backup register relate to time of RTC?I don't know how to write the current time on the register.Is that backup register content retained during powerdown?how can i check?Thanks, Pasca...

Prisma · 2020-11-07

Hello TDK. Yes it works !! I had declarated the struct in my file .h at the end ; now I have declared at first and it works correctly. Thank you very much for your help.

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STM32WB55

RTC reset with VBATT

Error with pointer to a typedef struct

Re: RTC reset with VBATT

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Re: RTC reset with VBATT

Re: Error with pointer to a typedef struct