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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! PWM for PB0 not firing, stm32f051

Posted on January 04, 2017 at 20:25I am not sure why the following code is not working. I have used it before for a different pin, but I believe my modifications would allow this to work? I am running the code on the stm32f051 discovery board using ...

When does ADC/DMA actually stop?

Posted on January 05, 2017 at 15:20In my project (F415RG) I'm running timer paced single channel ADC sampling with DMA transfers and Analog Watchdog coupled to the same ADC channel. When an out of window voltage occur I need to momentarily stop the ...

parsec by Associate III
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Is ADC sampling clock equal to system clock ?

Posted on December 30, 2016 at 13:40hello dear forum,I am trying to take 500 samples from STM32F103RC ADC with DMAI wanna know if the ADC sampling clock equal to ADC clock or system clock for example ;If I choose ADC clock = P2clock / 8 = 9 MHz and ...

GPIO interrupt problem

Posted on January 04, 2017 at 19:52Hi everybody.I have to implement a Wiegand reader on a STM32 demo board.Using CubeMX I have defined 2 gpios as GPIO_EXTI and now the HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) is triggered.The problem is that the ca...

IAR project

Posted on January 05, 2017 at 09:40Hello,I want to create a project using IAR for an stm32 MCU.Without using the IAR assembly startup file , i want to jump directly to the main functionIs there any solution to do this ?  Thank you,#iar-project

SPI DMA FIFO Error on SDRAM

Posted on December 20, 2016 at 19:20Hi,I'm working on 3-Wire(PF7-CLK,PF9-MOSI,PF8-MISO) SPI (SPI5, slave mode, direct mode) using a STM32F769-EVAL.My goal is to transmit data from SDRAM buffer thru SPI to SPI-MasterI'm using 'HAL_SPI_Transmit_DMA' f...

ys1 by Associate II
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UART only one byte received

Posted on January 04, 2017 at 00:52 Hi Guys, I am transmitting two bytes between two nucleo boards on uart1 and only receiving one byte (one charachter)? what could be the problem HAL_UART_Receive(&huart1,(uint8_t *)data3,5,10);  void MX_USART1...

Raider E by Associate III
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