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Can somebody help me here. Interrupt handler routine is not getting Exit. Context Switch Not working back to the main task.

Hello, Technical Details: CMSIS- RTX based RTOS.STM32H7xx based MCU.Problem Description:I am trying to find the duty cycle of a incoming PWM. And my problem occurs when there is an interrupt and now the interrupt handler executes properly but It does...

Vmere.1 by Senior
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Resolved! HAL_SAI_Transmit() does not stop the I2S clocks when complete

Hello,Some background:STM32CubeIDE 1.6.1MCU: STM32L4R9ZGJ6SDK: STM32Cube_FW_L4_V1.14.0 (Yes I know it's old ~ 2019) Project is too large to update at the moment.I am currently debugging external DAC audio issues. I reverted to using simple SAI blocki...

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DerekR by Senior
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Hi, i use the stm32f405rgt6 and like to jump to the system memory 0x1fff0000. It never stays at DFU stm32_bootloader, it always starts application again.

I tryed two methodes, one just jumping to that address 0x1fff0000 via function pointer and second writing some magic numbers at 0x2001fffc and placing some asm code in the startup *.s file to jump branch to the system bootloader. I had to change cont...

MOtto.1 by Associate II
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  • 8 replies
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Resolved! STM32L052 - RTC with implausible or Zero - Content after RESET due to leaving the standby mode by recognizing of level LOW on RTC-TAMP1 (PC13)

The tamper contact RTC.TAMP1 on PC13 is used for entering and leaving the standby modus in tamper - level - detection - mode. The detection of low level on RTC-TAMP1 finishes the standby mode and restarts the controller. That is all OK. but in about ...

FEber.1 by Associate II
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How to stop receive data in this code? or How to stop a get char? I used Interrupt to scan WiFi Information. I need only SSID. To input a buffer (Ring or FIFO) but it keeps bringing inform.

  void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) { if(huart->Instance == USART2) { RX_Data[Rx_Index] = RXD; Rx_Index++; HAL_UART_Receive_IT(&UART2_WIFI,&RXD,1);   }   }

wwgww by Associate II
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STM32L073 RTC/LCD clock frequency

The RTC/LCD clock can be derived from HSE (prescaled). In this case, the prescaler must be chosen appropriately so as to get an RTC/LCD frequency within the admissible range.Using CubeMX, when the limits are exceeded, the tooltip says:* (tooltip over...

SZano by Associate III
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