mcauser

Testing AU915 and AS923

On a Seeed LoRa E5 mini aka Wio-E5 mini dev board

https://www.seeedstudio.com/LoRa-E5-mini-STM32WLE5JC-p-4869.html

Seeed's default AT firmware, version 4.0.11

AT+VER
+VER: 4.0.11

mcauser

// My Functions > Add a core function
// name: Mappers Decoder
// based on https://github.com/hkicko/CubeCell-GPS-Helium-Mapper
function Decoder(bytes, port) {
  var decoded = {};

  var latitude = ((bytes[0]<<16)>>>0) + ((bytes[1]<<8)>>>0) + bytes[2];
  latitude = (latitude / 16777215.0 * 180) - 90;

  var longitude = ((bytes[3]<<16)>>>0) + ((bytes[4]<<8)>>>0) + bytes[5];

mcauser

# check device is responding
AT

# verbose logging
AT+LOG=DEBUG

# switch to AU915
AT+DR=AU915

# before 2022-11-17

mcauser

# UM TinyS2 + RGB IPS Display Shield CircuitPython example

# https://unexpectedmaker.com/tinys2
# https://www.tinypico.com/add-ons
# https://circuitpython.org/board/unexpectedmaker_tinys2/
# https://github.com/adafruit/Adafruit_CircuitPython_ST7735

# The IPS display has pins labelled for TinyPICO.
# These are the matching TinyS2 pins.

mcauser

!blue 0 0
!blue 0 1
!blue 0 2
!blue 0 3
!blue 0 4
!blue 0 5
!blue 0 6
!blue 0 18
!blue 0 19
!blue 0 20

mcauser

Mikes-MacBook-Pro:~ mike$ esptool.py flash_id
esptool.py v2.8
Found 3 serial ports
Serial port /dev/cu.SLAB_USBtoUART
Connecting....
Detecting chip type... ESP32
Chip is ESP32-PICO-D4 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, Embedded Flash, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 24:a1:60:74:e5:b0

mcauser

import ustruct


class MAX31855:
    """
    Driver for the MAX31855 thermocouple amplifier.


    MicroPython example::

mcauser

:020000040000FA
:100000000040002081610100BD610100BF6101006D
:1000100000000000000000000000000000000000E0
:10002000000000000000000000000000C1610100AD
:100030000000000000000000C3610100C561010074
:10004000C7610100D95A0100E5650100C7610100DF
:10005000C761010000000000BD9B0100C7610100F5
:10006000F9F00000C7610100C19D0100C7610100F6
:10007000C7610100C7610100C7610100C7610100DC
:10008000C76101003D6B0100C7610100C76101004C

mcauser

Copy files from https://github.com/mcauser/BLACK_F407VE into micropython/stmhal/boards/BLACK_F407VE

$ cd stmhal
$ make clean


$ make BOARD=BLACK_F407VE
Use make V=1 or set BUILD_VERBOSE in your environment to increase build verbosity.
mkdir -p build-BLACK_F407VE/genhdr
Create build-BLACK_F407VE/genhdr/pins.h

mcauser

See here for latest tar.gz path: http://esp-idf.readthedocs.io/en/latest/get-started/macos-setup.html
$ mkdir -p ~/esp
$ cd ~/esp
$ wget https://dl.espressif.com/dl/xtensa-esp32-elf-osx-1.22.0-61-gab8375a-5.2.0.tar.gz
$ tar -xzf xtensa-esp32-elf-osx-1.22.0-61-gab8375a-5.2.0.tar.gz

$ subl ~/.profile
export PATH=$PATH:$HOME/esp/xtensa-esp32-elf/bin
$ source ~/.profile