STM32 MCUs Products

Data from ADC (DMA) over UART (DMA)

Hi,I am trying to perform continuous ADC conversions from a microphone using DMA, save that data to a large buffer, and then transmit that data using Uart (DMA). I have successfully setup the ADC to perform the DMA conversions along with saving them...

I2C Slave endless clock streching

Hi, I have the problem that I get an endless slave Clockstretching.STM32F072 I2C configured with CubeMX, Primary slave adress $32If I fire a Tx frame from a master with for example:HAL_I2C_Master_Transmit(&hi2c1, 0x64, buf, 1, HAL_MAX_DELAY);The cloc...

Standby current is sometimes to high STM32L151CBT6A

We switch several times the µC into Standby Mode and the current is as described in the specification.But sometimes over the Vdda Pin the current is 1mA. We switch adc/dac vrefint etc off. No BOR in use.We checked each Ports, but the current is comi...

ADC value not able to read.

Hi, i got a fan failure project . For that i need to select 2 adc channels in DMA mode for rms calculation , and 2 digital input for my powerfactor reading . here i am using AC (230Vac) and DC (5v) supply both .I select two timers with 100khz in...

Is there a compile time conditional statement for debugging?

Hello everyone! I am trying to debug some code but there are some flags in flash that keep getting set when I exit debug and it enters run mode (or when I power up the sensor. Basically, anytime it gets a chance to run before I can get it in debug ...

Hi, I am looking for an example using CMSIS arm_correlate best Josef

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