users@lists.zephyrproject.org

HC-SR04 connection to particle argon

Hi, I need to connect the HC-SR04 ultrasonic sensor to the particle argon board and use it for distance measurement with Zephyr. What is the device binding that needs to be done in zephyr for

By s.ratnam@... · #2562 ·

Re: STM32F107 clocks

Awesome, thanks for sharing Artie!

By Erwan Gouriou · #2561 ·

Re: STM32F107 clocks

Hi Gunnar, We got the PLL2 code into the STM32CubeF1 codebase a little while ago [1]. There are also some patches for adding this support into Zephyr, but I need to revisit them / make a PR now that

By Attie Grande <attie.grande@...> · #2560 ·

Re: STM32F107 clocks

Ahhh... Thanks! Then I don’t need to feel too stupid for not understanding it. 😀 Cheers, -- Gunnar

By Gunnar Bråding <gunnar@...> · #2559 ·

Re: STM32F107 clocks

Hi Gunnar, Unfortunately, we miss code for PLL2 configuration as PLL input. Though, I'm adding Attie who investigated that point and may have code to get it working. BR Erwan

By Erwan Gouriou · #2558 ·

STM32F107 clocks

Hi! I got a board with the crystal at 25MHz, and need to use the PLL2 as input to the system clock. I just do not seem to understand the code enough to see how to set the prediv and multiplication

By Gunnar Bråding <gunnar@...> · #2557 ·

CFP Reminder -- Zephyr Developer Summit 2021

Members of the Zephyr Community, A reminder of the Call for Papers that remains open until Tuesday, April 20: https://forms.gle/i637wnnBp9ahrnc37 The Zephyr Developer Summit has been scheduled for

By Brett Preston · #2556 ·

Bluetooth support for Silicon Labs EFR32XX

Hi , My zephyr version is 2.5.0, and the board is EFR32_radio_brd4180a from Silicon Labs. When I try to compile and run the Bluetooth routine (samples/blutooth/peripheral_hr), the serial port

By chzfmx@163.com <chzfmx@...> · #2555 ·

brushless motor / servo driver in zephyr ?

Is there any brushless motor / servo drivers in zephyr ? FYI, I've noticed various brushless software, such as : http://vesc-project.com : ChibiOS based. Mostly motor code (originally for

By popeye22202 · #2554 ·

OS abstraction layer - CMSIS RTOS v1/v2 with Zephyr OS #osal #cmsis #api

Hello. Are there any more specifics than provided in https://docs.zephyrproject.org/latest/guides/portability/index.html to be able use the CMSIS RTOS v2 (or V1) in Zephyr OS? When enabled does it

By Cap Able · #2553 ·

Re: Help using SystemView on an STM32 Nucleo board with re-flashed ST-Link #jlink #stm32

Hello: I remembered that Anas Nashif wrote a post about this subject: https://www.planux.com/index.php/2018/08/21/tracing-zephyr-applications-with-segger-systemview/ HTH, Regards,

By Raúl Sánchez Siles · #2552 ·

Network forum agenda

Hi all, There is a network forum meeting tomorrow Tue 6 Apr at 8AM PST / 17.00 CET. Currently the agenda has one item: * Network traffic monitoring (demo) If there are any other network related

By Jukka Rissanen · #2551 ·

Help using SystemView on an STM32 Nucleo board with re-flashed ST-Link #jlink #stm32

Hello: I was wondering if the community could help me with using SystemView with Zephyr. When I connect to the board using JLink and then try to record with Systemview, I get a message telling me

By carlos.rodriguez@... · #2550 ·

Re: custom board #customboard #dts

Hi there, The error message may have gotten lost in the rest of the output, but it describes what went wrong, a stack trace where it went wrong, and how to fix it: "wbasser via

By Bolivar, Marti · #2549 ·

Re: custom board #customboard #dts

The Kconfig.defconfig doesn’t look right config BOARD default "fuse board" I think it should be “fuseboard” or maybe “fuse_board” but I didn’t test it. I looked at

By Lawrence King · #2548 ·

custom board #customboard #dts

Created a custom board file, based on the DTS for a sample board. Changed the name of the file, and the references to the new board. Attempting to build, I received this

By wbasser@... · #2547 ·

Advertising/Scan ISO ticker nodes #ble

Hello, When using CONFIG_BT_CTLR_ADV_ISO or CONFIG_BT_CTLR_SYNC_ISO, is it necessary to define ticker nodes in subsys/bluetooth/controller/ll_sw/ull.c: #if defined(CONFIG_BT_CTLR_ADV_ISO) #define

By Carl Stehle · #2546 ·

Re: UART API Blocking TX

Hi Jieng, The uart_poll_out() API should be used for this, see https://docs.zephyrproject.org/latest/reference/peripherals/uart.html#c.uart_poll_out Best, Tavish

By Tavish Naruka · #2545 ·

Re: Using SPI Port Question - Fanstel BT840

Hi Mike, I am not an expert on Zephyr, in fact I am roughly in the same position as you. But I have recently solved this problem so I thought I should share. I apologise in advance if some of this is

By Jeremy Herbert · #2544 ·

Using SPI Port Question - Fanstel BT840

Greetings, I wonder if this is the correct place to seek help with a problem I am seeing. I am trying to use the SPI port on a Fanstel BT840, and was hoping to use the spi_read() and spi_write()

By Mike Marks · #2543 ·

Messages