hasumikin

clone template

git clone https://github.com/hasumikin/mrubyc-template-posix.git 02
cd 02

edit source

• create mrblib/loops/master.rb
• create mrblib/models/greeter.rb
• edit main.c (you can replace whole of the file with code below)

hasumikin

clone template

git clone https://github.com/hasumikin/mrubyc-template-esp32.git 03
cd 03

edit source

• create mrblib/loops/master.rb
• create mrblib/models/greeter.rb
• edit main/main.c (you can replace whole of the file with code below)

hasumikin

wire a breadboard

clone template

git clone https://github.com/hasumikin/mrubyc-template-esp32.git 04
cd 04

edit source

hasumikin

wire a breadboard

clone template

git clone https://github.com/hasumikin/mrubyc-template-esp32.git 05
cd 05

edit source

hasumikin

requirement

• flash LED if temperature is higher than 30 degrees

refer these gists

• 04-IoT-workshop-mrubyc-esp32-led.md
• 05-IoT-workshop-mrubyc-esp32-thermistor.md

hasumikin

copy sample project from esp exapmples

cp -r $IDF_PATH/examples/get-started/hello_world $HOME/esp
cd $HOME/esp/hello_world
make

build, flash and run

make

hasumikin

# This example assumes to use "meishi2" which has 2x2 matrix circuit.
#
# If you use a larger one, let's say 40% keyboard, the code will look like:
# (Note that GPIO pin numbers in this example are written at random. They are fishy)
# ```
#   kbd = Keyboard.new(
#     [ 2, 3, 4, 5 ],                                 # row0, row1,... respectively
#     [ 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 ]  # col0, col1,... respectively
#   )
#   kbd.add_layer :default, [

hasumikin

kbd = Keyboard.new

kbd.init_pins(
  [ 11, 12, 13, 14, 15 ],             # row0, row1,... respectively
  [ 9, 8, 7, 6 ]                      # col0, col1,... respectively
)

kbd.add_layer :default, %i[
  RGB_TOG  KC_ESC KC_NO  KC_BSPACE
  RGB_MOD  KC_7   KC_8   KC_9

hasumikin

kbd = Keyboard.new

c1 = 29
c2 = 28
c3 = 27
c4 = 26
c5 = 22
c6 = 20
c7 = 23
c8 = 21

hasumikin

class Keyboard
  def grave_escape
    index = @keycodes.index(KEYCODE.index(:KC_ESCAPE).chr)
    if index
      if (@modifier & 0b00010001) > 0    # CTRL
        # Do nothing so that "SHIFT+CTRL+ESCAPE" opens Task Manager
      elsif (@modifier & 0b00100010) > 0 # SHIFT
        @keycodes[index] = KEYCODE.index(:KC_GRAVE).chr
      elsif (@modifier & 0b10001000) > 0 # GUI
        @keycodes[index] = KEYCODE.index(:KC_GRAVE).chr