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Posted on March 16, 2017 at 18:29Hello all,I am using the DMA (direct memory access) unit to generate a sine wave. I flip between the frequencies often in my application. Sometimes the output signal get stuck at high frequency when I move fast from ...
Posted on November 18, 2016 at 14:11 #define IS_RCC_PLLQ_VALUE(VALUE) ((4U <= (VALUE)) && ((VALUE) <= 15U)) This line doesn't fit to the RM0390 (page 126): 0000: PLLQ = 0, wrong configuration 0001: PLLQ = 1, wrong configuration 00...
Posted on March 16, 2017 at 16:05I found a typo in the interrupt vector table of the STM32F030 & STM070 Reference Manual RM0360 Rev 3.On page 172, an additional 'Reserved' line is inserted at position 19. Also, the address given for the 'Reserved' ...
Posted on March 10, 2017 at 09:54Hello, How do I write a variable to the SRAM2 on an STM32L476 ? I am putting the uC in the Standby mode and I am preserving the SRAM2 memory, but I cannot manage to write to it. I am trying like this:&sharpdefine VAR...
Posted on March 16, 2017 at 10:00Hi.I've got external modem that enumerates 6 virtual com ports and only one of those are available for AT commands. I've looked at the examples and the libraries and I do not quite get how to choose the com port that...
Posted on November 15, 2016 at 16:08Hi, Chan has updated FatFs to version 0.12B but the bundled FatFs in CubeF0-F7 are all sitting on v0.11.The reason I want to update to 0.12B is because of exFAT support for USB Flash memory.I have tried to work ou...
Posted on March 15, 2017 at 09:49Dear friends,I have designed a PCB board to communicate with Modbus devices. I've use STM32F103RBT6 mcu and ADM485JRZ for RS485 communication. I have not soldered any other parts of the pcb except the micro and ADM48...
Posted on March 13, 2017 at 09:08HelloOur team is using STM32F103R8T6 and STM32F405R8T6 for a robot and for some reason sometimes when we turn the power on (from battery or a DC power Supply) the MCUs short from the inside and when we change the hea...
Posted on March 12, 2017 at 00:13Hello,i have a question about MCLK and LRCK generation on an STM32F4 system.I want to connect an Audio ADC to an SPDIF codec which need an continousMclk and Lrclock. I have the option to use an external 24.5760 Meg c...
Posted on March 14, 2017 at 08:35I am beginner in STM32 Programming. I need to code the IR,RC5 Remote protocol in stm32f0 microcontroller. Please help me to do coding it.♯ ♯ https://community.st.com/tags♯/?tags=timer%20delay ♯‌ ♯‌Thanks and Rega...
