how to used i2c dma tx circular mode.
Hello, We want to i2c dma circular mode but in this mode i2c is working once times. when our data finished we want to again again transmit.
STM32 MCUs Products
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STM32G4 - HardFault on Voltage Drop
Hi!I currently am trying to investigate random hardfault errors if i connect some addon board to my current project. What is happening is: On connection, VCC drops to 1,8V minimum, while being under 2,5V for ~ 2us. The result of this is either a rese...
STM32F373 SDADC configuration mystery, how should it work
I'm trying to use SDADC1 and SDADC2 to convert four signal (2 each) and I'm not getting good data. I'm using CubeMX to do the setup and I've selected Gain=1 Single-Ended zero reference for all inputs so I can convert a signal range of 0 to VDD on all...
stm32f103 CAN send fail...
hi there.I'm trying to CAN transmit on my target board.my board is not to send CAN message on stm32cubeide . but I confirmed that my board send CAN message on mbed.Can I how to send CAN message on stm32cubeide?? I intended CAN baudrate 500kbps, sampl...
Resolved! I'm new at STM MCUs and trying to develop a new board based on STM32G070RBT6. I have few questions like reset, program over UART, etc.
1) I've checked multiple schematics for blue pill, black pill, etc., and saw capacitor and resistor on reset button line. I've built a test (pinout) board and without any capacitor or resistor. I can reset it (NRST pin to ground). May this cause a ha...
Does RTC 1Hz calibration align to 1 second boundary?
I'm trying to get an RTC timestamp from an external event down to the us. My plan is to output the 1Hz calibration from the RTC and externally tie that to TIM8-CH1 as an input capture (reset-on-capture). The external event would route to the RTC time...
Resolved! STM32G030F, remapping PA11/PA12 to PA9/PA10 not working?
Hello, I use USART1 routed to PA9/PA10 (AF1 as per data sheet), so executing the line SYSCFG->CFGR1 |= (SYSCFG_REMAP_PA11 | SYSCFG_REMAP_PA12);should present the GPIOs PA9 and PA10 to pins 16 and 17 of the TSSOP20 package. Right?Well, pins 16 and 17 ...
The STM32G071RB generates spikes on the ADC channel 11.
Hi,I have a design where ADC channel 11 is used for sampling BLDC motor current via shunt resistor.If motor is stopped it can be observed a spikes with aplitude 200 mV directly on the MCU pin PB10 to which the ADC channel 11 is connected.The spikes h...
Resolved! Software PWM, best approach?
It finally happened, i need two pins without pwm functionality to output pwm signals (minimum 1kHz)Im using an STM32f072R8Tx clocked with HSI48Mhz, my TIM1 is available.My idea is:TIM1 channels 1 and 2 set up as PWM NO OUTPUT with interruption enable...
I2c half callback interrupt
Hello , I want to use i2c half call back, but i didn't found this function. İ am wondering is there any function.
