STM32 MCUs Products

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A general USB question

Posted on June 28, 2016 at 10:13Hello, when using a UART I can feed the Tx buffer on my STM32 without caring if someone listens on the other side eg a PC. In any case the uC side will work the same way. How is this with a USB device, CDC VCP stack, ...

mmensch by Associate II
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Need help on USB device CDC VCP stack

Posted on June 24, 2016 at 10:52Hello, I built a small project to try USB device CDC VCP stack. I created the sources with CubeMX 4.15.1 for STM32L152, using the Nucleo board. Code is running and I see the USB device with one IN, one OUT and one int...

mmensch by Associate II
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Config TIMx for external clock mode 1

Posted on June 29, 2016 at 11:34 Hi I want to config TIM3 channel 2 for input pulses and generate pulse with the same frequency at PC0 of STM32F Its my code. Is it true? void TIM3CH1_Configuration(void) { /* TIM3 configurati...

Sinewave using Dual DAC basically doesn't work

Posted on June 27, 2016 at 19:01 Hi. I am trying to output a sine using the DAC of my STM32 F334R8. I spent days trying to do so with the example in the SPL. This example uses a button (which is not present on my board) to switch...

antoine by Associate II
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STM32L4 SPI UART __IO divergence ?

Posted on March 23, 2016 at 09:58stm32l4xx_hal_spi.h   HAL_SPI_StateTypeDef    State;          /* SPI communication state        */   uint32_t                ErrorCode;      /* SPI Error code                 */ stm32l4xx_hal_uart.h   __IO HAL_UART_S...

Noyb by Associate II
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stm32f4xx_hal_sd. c error

Posted on June 28, 2016 at 10:05Hi! I have a problem with SD card I write a file every second (30 byte added at the end of file) (SDcard @ 4MHz clock 4 wire) and sometimes, when firmware enters in HAL_SD_ReadBlocks function, it blocks  at this stag...

gb by Associate
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STM32F0 I2C Read Problem

Posted on June 28, 2016 at 17:14Hallo, Leider komme ich noch nicht so ganz mit dem lesen von I2C Slaves klar. Das schreiben klappt. Hat jemand eine funktionierende Routine womit ich das lesen mal testen könnte? Im Internet finde ich zwar vieles, nic...