Archive:WiFiJoystick

 

WiFiJoystick Release status: experimental [box doku]
Description	WiFi connected Joystick and Gamepad
Author(s)	Jorgen

This page shows a short description of how to create a WiFi enabled Gamepad / Joystick. The WiFiJoysticks can be used to play games on LED-Panels on events like makerfaires.

pins/contacts (see table for color codes)

joystick & buttons

pin mapping

function	state 1	state 2	state 3
Push Button
left
right
up
down

mqtt topics (receive)

topic	payload	example
WiFiJoystick/<CHIP-ID>/config	flags to configure	reboot
WiFiJoystick/<CHIP-ID>/brightness	brightness from 0 to 255	190
WiFiJoystick/<CHIP-ID>/debounce/push	debounce delay in ms	200
WiFiJoystick/<CHIP-ID>/debounce/button1	debounce delay in ms	200
WiFiJoystick/<CHIP-ID>/debounce/button2	debounce delay in ms	200
WiFiJoystick/<CHIP-ID>/debounce/left	state1,state2,state3 (debounce delay in ms)	150,100,200
WiFiJoystick/<CHIP-ID>/debounce/right	state1,state2,state3 (debounce delay in ms)	150,100,200
WiFiJoystick/<CHIP-ID>/debounce/up	state1,state2,state3 (debounce delay in ms)	150,100,200
WiFiJoystick/<CHIP-ID>/debounce/down	state1,state2,state3 (debounce delay in ms)	150,100,200

mqtt messages (sending)

topic	payload	example
WiFiJoystick/<CHIP-ID>/button/push	press or release	press
WiFiJoystick/<CHIP-ID>/button/button1	press or release	press
WiFiJoystick/<CHIP-ID>/button/button2	press or release	press
WiFiJoystick/<CHIP-ID>/button/left1	press or release	press
WiFiJoystick/<CHIP-ID>/button/left2	press or release	press
WiFiJoystick/<CHIP-ID>/button/left3	press or release	press
WiFiJoystick/<CHIP-ID>/button/right1	press or release	press
WiFiJoystick/<CHIP-ID>/button/right2	press or release	press
WiFiJoystick/<CHIP-ID>/button/right3	press or release	press
WiFiJoystick/<CHIP-ID>/button/up1	press or release	press
WiFiJoystick/<CHIP-ID>/button/up2	press or release	press
WiFiJoystick/<CHIP-ID>/button/up3	press or release	press
WiFiJoystick/<CHIP-ID>/button/down1	press or release	press
WiFiJoystick/<CHIP-ID>/button/down2	press or release	press
WiFiJoystick/<CHIP-ID>/button/down3	press or release	press

status LEDs

mqtt topics (receive)

topic	payload	example
WiFiJoystick/<CHIP-ID>/color/led1	once|flash|fade),red,green,blue(,interval,red2,green2,blue2)	solid,255,0,0
WiFiJoystick/<CHIP-ID>/color/led2	once|flash|fade),red,green,blue(,interval,red2,green2,blue2)	fade,255,0,0,2000,0,255,0

I2C IO expander

The ESP8266 has too less IO pins - so we will use IO expander ICs with serial interface (I²C-Bus):

• MCP 23017-E/SP (16-Bit I/O Expander with I²C-Bus Interface)
• PCF 8574 T (8-Bit I/O Expander with I²C-Bus Interface)