Lup Yuen Lee 李立源 @lupyuen@qoto.org

Wholemeal Sourdough with Bread Machine

Recipe: https://gist.github.com/lupyuen/3272756eb8b93ebbcf23b92e13f3bfa9

Before making a Phone Call on #PinePhone … Let's check if the 4G LTE Network is OK

Article: https://lupyuen.github.io/articles/lte2?4#check-the-lte-network

Here's how we send an AT Command to #PinePhone's 4G LTE Modem ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/lte2?3#send-at-commands

Here's how we start #PinePhone's LTE Modem ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/lte2?3#start-lte-modem

Inside #PinePhone is the Quectel EG25-G 4G LTE Modem ... Let's make some calls and send some messages!

Article: https://lupyuen.github.io/articles/lte2?2#quectel-eg25-g-lte-modem

Let's make Phone Calls and send Text Messages on #PinePhone ... With Apache #NuttX RTOS!

Article: https://lupyuen.github.io/articles/lte2?1

Inside an SMS PDU Packet ... According to ETSI GSM 03.40

Source: https://github.com/lupyuen/pinephone-nuttx#sms-pdu-format

Apache #NuttX RTOS now supports CBOR Encoding 👍

Source: https://github.com/apache/nuttx-apps/pull/1725

Growing Sourdough again ... This time for the Bread Machine 🤔

#PinePhone sends SMS in PDU Mode ... With Apache #NuttX RTOS 🎉

Source: https://github.com/lupyuen/pinephone-nuttx#send-sms-in-pdu-mode

Apache #NuttX RTOS sends SMS from #PinePhone ... In Text Mode 🎉

Source: https://github.com/lupyuen/pinephone-nuttx#send-sms-in-text-mode

AT Modem Library from nRF Connect SDK

Source: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrfxlib/nrf_modem/README.html

Apache #NuttX RTOS makes a Phone Call on #PinePhone! 🎉 ... Next: Wire up PCM for the Digital Audio 🤔

Source: https://github.com/lupyuen/pinephone-nuttx#4g-lte-modem

#PinePhone's 4G LTE Modem has 2 pins that are High-Low Inverted ... Looks confusing 🤔

Article: https://lupyuen.github.io/articles/lte#power-on--off

#PinePhone's 4G LTE Modem works OK over UART on Apache #NuttX RTOS! 🎉 ... Just realised that the Reset and Power Key pins were High-Low Inverted 🙄

Article: https://lupyuen.github.io/articles/lte?88#test-uart-with-nuttx

History of Power Key on #PinePhone 4G LTE Modem ... Modem Pinout is different for PinePhone Braveheart!

Source: https://wiki.pine64.org/wiki/PinePhone_v1.1_-_Braveheart#Modem_PWR_KEY_signal_resistor_population

UART Hardware Flow Control is broken for #PinePhone 4G LTE Modem 🤔

Source: https://wiki.pine64.org/wiki/PinePhone_v1.1_-_Braveheart#Modem_UART_flow_control_is_broken

Floofiest loaf yet ... 1️⃣ Add Vital Wheat Gluten 2️⃣ Double the yeast 3️⃣ Cover with warm towel when rising

#PinePhone's 4G LTE Modem outputs a garbled stream of data to Apache #NuttX RTOS over UART ... Why? 🤔

Source: https://github.com/lupyuen/pinephone-nuttx#test-uart3-port

GPT4All running offline on Termux Android ... And totally hallucinating 😂

Source: https://github.com/nomic-ai/gpt4all-chat#building-and-running-cli-tools-only-no-qt-required