About Charles_Li

Charles_Li · 2024-12-12

I've enabled STOP2 mode with the below code statement void PWR_EnterStopMode(void) { /* USER CODE BEGIN PWR_EnterStopMode_1 */ UART_WakeUpTypeDef WakeUpSelection; WakeUpSelection.WakeUpEvent = UART_WAKEUP_ON_STARTBIT; if (HAL_UARTEx_StopModeW...

Charles_Li · 2024-12-03

I'm using STM32WB55. The reference example is BLE_p2pServer with custom modifications. The power consumption of STOP2 mode ( by enabling CFG_LPM_SUPPORTED ) is around 6mA (board level), and it will be around 9mA after LPUART is enabled with RCC_LPUAR...

Charles_Li · 2024-11-25

case PWR_KEY_Pin: if (HAL_GPIO_ReadPin(PWR_KEY_GPIO_Port, PWR_KEY_Pin) == GPIO_PIN_RESET) { HAL_TIM_IC_Start_IT(&htim16, TIM_CHANNEL_1); captureStart = HAL_TIM_ReadCapturedValue(&htim16, TIM_CHANNEL_1); UTIL_LPM_SetStopM...

Charles_Li · 2023-09-05

In STM32CubeIDE, the NOR Flash seems to work fine that data was correct both by reading to variable and reading 0x90000000 of memory mapping address.But if terminate the session and restart and just read the data, it is all gone.And there is another ...

Charles_Li · 2023-08-27

I'm using MX25V1635F on WB55Below, read/write functions work fine#define SECTOR_ERASE_CMD 0x20#define QUAD_IN_FAST_PROG_CMD 0x38But in memory mapping mode, only few bytes correctly or even nothing right,CS, SCLK work as expected but D0 seems like out...

Charles_Li · 2024-12-22

I got expected flags after removing the below lines in PWR_ExitStopMode, __HAL_UART_DISABLE_IT(huart,UART_IT_WUF); HAL_UARTEx_DisableStopMode(huart); It goes to WakeupCallback when UART wakes MCU from STOP mode but not RxEventCallback /* UART ...

Charles_Li · 2024-11-26

@Imen.D I'm using HTIM16, not LPTIM, and I found the issue might be related to the application entering/exiting OFF mode before the below line blocks the mode. It seems something is wrong after returning from OFF mode, so the count number is less tha...

Charles_Li · 2023-09-06

I'm using P-NUCLEO-WB55.NucleoI can't read by CubeProgrammer since it does not support MX25U1632F

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USART_ISR_WUF is not set after wake up from STOP2 by LPUART

LPUART consumes extra 3mA while STOP2 mode

Why the value of HAL_TIM_ReadCapturedValue lower after LPM enabled

Strange in debugging NOR Flash

Nor Flash memory mapping works unexpected on P-NUCLEO-WB55

Re: USART_ISR_WUF is not set after wake up from STOP2 by LPUART

Re: Why the value of HAL_TIM_ReadCapturedValue lower after LPM enabled

Re: Strange in debugging NOR Flash