Dan's notes
  • Home
  • NTP
  • router
  • android

hardware timestamps

A collection of 9 posts

teensy

Teensy 4.1 ethernet

I'm a fan of the Teensy [https://www.pjrc.com/teensy/] line of microcontrollers. I have a whole pile of them for various projects. When I saw that 4.1 was combining a

  • Dan Drown
3 min read
ntp

Embedded NTP Server

Now that I got the results I wanted from my embedded NTP client [https://blog.dan.drown.org/embedded-ntp-client-ntp-interleaved-mode-part-5/], I wanted to convert it to an NTP server.  I also wanted it to

  • Dan Drown
3 min read
ntp

Embedded NTP client/NTP interleaved mode, part 5

I'll test what happens when I plug my embedded NTP client directly into my NTP servers, bypassing the Ethernet switch.  This ends my long running embedded NTP client series. The systems involved Embedded

  • Dan Drown
3 min read
ntp

Embedded NTP client/NTP interleaved mode, part 3

Previous posts: part 1 [https://blog.dan.drown.org/archmax-ntp-client/], part 2 [https://blog.dan.drown.org/embedded-ntp-client-ntp-interleaved-mode-part-2/] In this post, I wrap up my embedded NTP client and use it to measure

  • Dan Drown
5 min read
stm32

Debian for STM32MP1

I bought a STM32MP1 dev board [https://www.st.com/en/evaluation-tools/stm32mp157a-dk1.html] because it has a gigabit NIC with 1588 PTP timestamps as well as hardware timers that can timestamp PPS

  • Dan Drown
2 min read
ntp

Embedded NTP client/NTP interleaved mode, part 2

Hardware transmit timestamps added to NTP client.

  • Dan Drown
2 min read
ntp

Embedded NTP client/NTP interleaved mode

NTP client with hardware timestamps

  • Dan Drown
4 min read
ntp

APU2 NTP server

I bought an apu2c0. I believe it will make a better NTP server than my other NTP servers.

  • Dan Drown
3 min read
gps

Beaglebone Black timer capture driver

More info on: Hardware [https://blog.dan.drown.org/beaglebone-black-gpstemperature-cape/], Kernel Driver software [https://github.com/ddrown/pps-gmtimer] The Beaglebone Black has a hardware timer capture. This means it can save the couter

  • Dan Drown
2 min read
Dan's notes © 2023
Latest Posts Ghost