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renatobo / bonogps

A GPS setup to log your track lap times, based on ESP32, with the ability to interface with several mobile phone apps that log your speed and position via Bluetooth Low Energy, Bluetooth or WiFi
MIT License
57 stars 18 forks source link

Do i need for racechono, harrys Laptimer etc. Taskscheduler? #27

Closed R1Snake closed 3 years ago

R1Snake commented 3 years ago

Hi,

i am using an esp32 with NEO 8M and without a battery.

The ESP is powered via ignition power of my bike so I don't need deepsleep, battery information etc.

Do I need the Taskscheduler for Racechrono or another racing app? If not I would disable this functionality.

renatobo commented 3 years ago

Hi R1Snake!

Please note that a M8N might be limited to 5Hz updates unless you enable only 1 satellite constellation (which is essentially GPS only) then you can get to 10Hz (see the hardware/GPS section)

A note on battery support Battery support is optional and activated (and compiled in the code) only when the macro SHOWBATTERY is defined (right now I only tested on the Lolin D32 Pro). Not requiring a battery makes for a much easier hardware configuration indeed: be aware of one limitation which is tied to the cold start of the GPS unit at the beginning of your day when it requires some time (even minutes) to find satellites.

TaskScheduler

TaskScheduler is optional and it supports

  1. status LED blinking: off, slow blink, fast blink to show WiFi status
  2. periodic polling GSA and GSV information. These are not actually required for GPS positioning
  3. power saving
  4. battery status notifications
  5. disabling OTA updates after some configured time

Number 2 above is the only one that changes data sent to your app of choice, the other are helper functions that don't impact base GPS functionality.

You can undefine the macro TASK_SCHEDULER to remove it.

A couple of questions

  1. Is your goal simpler code, smaller binary, or else?
  2. what apps are you using and which connection method (BLE,BTSPP,WiFi) ?