Modbus rtu on STM32L031G4
I want to implement the modbus rtu on the micro STM32L031G4 which library do you recommend?(if you use freeROTS how should I configure the micro da cube ide?)
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Set sdcard "temporary write protect" bit - STM32f7
Hi.I'm working on a project with a STM32F722 and a microSD card. I'm using HAL_SD & FatFS.I want to modify the CSD of the SD card to set the "temporary write protect" bit to 1, to protect the card from accidental writes.It is my understanding you can...
Resolved! How can I use Vdda/Vref pin to get better range for ADC
Hello. I need STM with external Vref 3V. But I don't need so much pins like 100pins in ST where we have special pin Vref. Could I use VDDA/Vref pin in STM32F103RC according to drawing belloow? I wanna connect precision voltage reference to VDDA on 3...
Resolved! LSE vs LSI for periodic wakeup from Stop
Does LSE have any power-saving advantages over LSI when the RTC is used to periodically wake up from low-power modes? Or does it just provide better accuracy for the RTC? For example, let's say you only use the RTC to wake up from stop mode, but neve...
Query regarding reading the data from Bq40z80 (connected to battery) using STM32F072RB.
I am trying to communicate STM32F072RB with BQ40Z80 (which is connected to the battery) via SMBUS protocol. I am not able to read the data from the battery. According to SMBUS protocol to perform a read operation.Master (STM32) must transmit the targ...
STM32F103 timer interrupts with HAL_TIM_PWM_PulseFinishedCallback and HAL_TIM_PeriodElapsedCallback does not work as intended
I am trying to do a blink example for testing using built-in LED on bluepill. Unlike regular delay and period interrupts, i want to try a custom-duty blink, in which i want 3s on and 2s off, a total of 5s period.in main: HAL_TIM_Base_Start_IT(&htim1)...
Resolved! Note about use of real name on this ST community forum
(edited this post from previous panic language; still think its good to keep it around - and a suggestion: there should be a tag/category for "Community Website")Well, since ST asked me to register for downloading software, I thought I'd be honest, a...
Resolved! STM32L4 LSI: 32000Hz or 32768Hz?
Hello,I am using STM32L4S9 and the datasheet mentions the LSI is 32khz. Is this 32000hz or 32768hz? Best,Jeff
Single Channel ADC with DMA giving garbage results and values that are larger than 4096
Hi guys, I'm looking to implement ADC and DMA with HAL on a F767. I want the ADC to be always converting and storing to memory via DMA until it reaches the buffer limit of 320 and then I want to go to a conversion complete callback function. ADC seem...
STM32F405 RX0 Interrupt won't activate, wrong filter configuration?
Hi, I am trying to receive CAN message on a F405, but the Rx interrupt doesn't trigger. Sending works fine however.I am also in doubt about the CAN1_RX0_IRQHandlerbecause I can't find any documentation when it is triggered, the HAL manual only refers...
