hpsaturn

################################
# LVGL config loader
# @hpsaturn 2022
################################
# Put this file on the root of your PlatformIO LVGL project
# and add the next line on your env board in the platformio.ini file.
#
# extra_scripts = pre:prebuild.py
#
# The lv_conf.h file should be placed in the root lib folder

hpsaturn

#!/bin/bash

# Secondary display resolution
W=1920       # Virtual display width
H=1080       # Virtual display height

# Primary display config
P="HDMI-A-0"        #is the main screen, it can be calle eDP-1 or eDP1 depending on the driver
O="DisplayPort-0"   #can be a virtual (recommended if possible) or real output accepted by the xog driver.
                    #more info: https://wiki.archlinux.org/title/Extreme_Multihead#VNC

hpsaturn

[platformio]
src_dir = .

[wifi]
; ssid = **s
; password = ***
ssid = ${sysenv.PIO_WIFI_SSID}         
password = ${sysenv.PIO_WIFI_PASSWORD}

[common_env_data]

hpsaturn

import machine
import utime

sensor = machine.ADC(4)
factor = 3.3 / (65355)
led = machine.Pin(25,machine.Pin.OUT)

while True:
    read = sensor.read_u16() * factor
    temp = 27 - (read - 0.706)/0.001721

hpsaturn

The following are instructions for connecting a Bluetooth device for serial communication on Arch Linux using BlueZ 5.31.

Prerequisites

The following packages are required:

• bluez: bluetoothd
• bluez-utils: bluetoothctl, rfcomm

hpsaturn

#!/bin/bash

cmd=$1

mem=`ps -eo %mem,cmd --sort=-%mem | grep -i $cmd | awk -F ' ' '{sum += $1} END {print sum}'`
memtotal=`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`
memcmd=`awk 'BEGIN{printf "%.2f\n", (("'$mem'"*"'$memtotal'")/100000)}'`

echo "${memcmd} Mb (${mem}%)"

hpsaturn

#!/bin/bash

# Thanks to https://gist.github.com/wenzhixin/43cf3ce909c24948c6e7
# Execute this script in your home directory. Lines 17 and 21 will prompt you for a y/n

# Install Oracle JDK 8
add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install -y oracle-java8-installer
apt-get install -y unzip make expect # NDK stuff

hpsaturn

import sys
import time
import getopt
import alsaaudio

def usage():
    sys.stderr.write('usage: recordtest.py [-c <card>] <file>\n')
    sys.exit(2)

if __name__ == '__main__':

hpsaturn

#!/usr/bin/env sh
set -e

if [ -z "$NDK_ROOT" ] && [ "$#" -eq 0 ]; then
    echo 'Either $NDK_ROOT should be set or provided as argument'
    echo "e.g., 'export NDK_ROOT=/path/to/ndk' or"
    echo "      '${0} /path/to/ndk'"
    exit 1
else
    NDK_ROOT="${1:-${NDK_ROOT}}"

hpsaturn

#!/usr/bin/env sh
set -e

if [ -z "$NDK_ROOT" ] && [ "$#" -eq 0 ]; then
    echo 'Either $NDK_ROOT should be set or provided as argument'
    echo "e.g., 'export NDK_ROOT=/path/to/ndk' or"
    echo "      '${0} /path/to/ndk'"
    exit 1
else
    NDK_ROOT="${1:-${NDK_ROOT}}"