STM32 MCUs Products

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Forum Posts

RTC week day

Posted on October 03, 2015 at 21:33Hello,I'm working on a STM32L053 and I have a question about RTC and ''week day''. When I provide a date: YYYY-MM-YY  without day of week, I would like to know if the STM32L053 RTC hardware can calculate the week d...

purkovic by Associate II
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STM32 F0 Discovery - interrupt question

Posted on October 04, 2015 at 00:20 I am CubeFX and Keil. Hardware is Discovery board with STM32F051R8T6. Created an interrupt for PA0 (user button) and toggle an led (PC9 green LED). This works void EXTI0_1_IRQHandler(void) { i...

irslabs by Associate
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STM32F4 USART PROBLEM

Posted on October 02, 2015 at 23:18Hi guys, I have a problem. I have a USB-RS232 converter and i'll do usart tutorial with STM32F4. Codes are working, but meaningless character viewing at the serial Hyper terminal program. Baudrate 9600. Clock Confi...

STM32F4 DISCO data transfer

Posted on September 30, 2015 at 15:31I want to pass data from MP45DT02 MEMS mic  to the audio DAC CS43l22. All the configurations seems okay, the thing I can't seem to achieve is the correct Fifo buffer. The FIFO read variable (which points to the n...

matas by Associate II
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Basic IDE setup for an STM32F100RB and IAR

Posted on October 02, 2015 at 04:36I am experiencing a surprising amount of difficulty trying to set up an STM32 VL Discovery board (STMF100RB) with an IDE (IAR EWARM). I have downloaded the STM_STD_Peripherals.zip. and can open examples from it's f...

scook116 by Associate II
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  • 6 replies
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Lwip tcp stack is locking after 2-3 days of working

Posted on September 02, 2015 at 15:20LWIP stack is lockingup about every 48-60 hours, with a casually polling ModbusTCP connection (~ 1000 ms between polls).It requires apower cycle of our equipment to restore the operation of the stack.i use codes ...

mustafa23 by Associate II
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  • 5 replies
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STM32F105RC UART problem

Posted on October 03, 2015 at 04:20 Hi, I'm currently working with STM32F105RC chip and trying to use UART4 (PC10 and PC11), which connects to a USB to UART module to a computer. The problem is, I'm not getting any readings from PC using hyperte...

Possible to Trigger SPI DMA Transfer from Timer?

Posted on August 22, 2015 at 07:04I am using an STM32F407 chip on a custom PCB. Using (mostly) HAL libraries, but I've ended up writing a lot of my code and verifying the registers individually. I am using an ADC that communicates over SPI. The tran...

ravix475 by Associate II
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