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STm32F4 Mac address

Posted on October 22, 2015 at 08:40Hello, could someone confirm that STM32 processors do not have a hardcoded unique MAC address?

matas by • Associate II
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im getting only 0.5v on some gpio pins instead of 3v.

Posted on October 20, 2015 at 11:29gpioc pin 0 and gpio a pin 0 &1 work fine but gpio c pin 1 and furhter show 0.5v at output instead of 3 volts. here is the code i implemented &sharpinclude ''main.h'' static __IO uint32_t TimingDelay; //-----------...

Bug report: Error in EXTI initialization on STM32L052

Posted on October 18, 2015 at 23:29Hi all,lost one day finding that this line 259 from stm32l0xx_hal_gpio.c is missing some braces:bad (current):temp &= ~((uint32_t)0x0F) << (4 * (position & 0x03));right (should be):temp &= ~(((uint32_t)0x0F) << (4 ...

osama2 by • Associate II
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LOCK OF UART API

Posted on October 22, 2015 at 11:13Hi, thanks for your code .but I found that when transmit data use HAL_UART_Transmit, the lock of uart api will cause HAL_UART_Receive_IT can't receive data.how to slove it?

backup SRAM STM32F427 - Vbat

Posted on October 20, 2015 at 22:05Hello could you please help me with my question about backup SRAM in STM32F427? I have design, where I am using voltage regulator for VDD and VDDA - 3V0. As backup I use batery 3.2V connected to VBAT pin6.   My qu...

pavel by • Associate II
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device markin and order number coding (revision identifier)

Posted on October 21, 2015 at 22:02Hello could ypu please explain me how can I check from Order number of STM32F427VI which revision (HW revision) in this chip? In datasheet I can check, that for STM32F4xxx exist several HW revisoon of silicon chip:...

pavel by • Associate II
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SAI block settings

Posted on May 22, 2015 at 11:33Hi,help me please to set up the SAI correctly.I need a mode I2S standart, 32-bit frame, 24-bit data. I configured my code:   hsai_BlockA1.Instance = SAI1_Block_A;   hsai_BlockA1.Init.Protocol = SAI_FREE_PROTOCOL;   hsa...

z1060 by • Associate II
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How to setup interrupts correctly

Posted on October 10, 2015 at 17:31 Hello, I've the following configuration on my STM32F4: - ADC with DMA triggered from TIM3 - EXTI0 triggered fromGPIO PA00 - EXTI1 triggered from GPIO PA01 The interrupt EXTI0 and EXTI1 s...

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