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Updates from pi

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This commit is contained in:
Tropicananass 2022-07-20 16:57:01 +02:00
parent 84612aded5
commit c1fb89271c
18 changed files with 468 additions and 133 deletions
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18
RpiLedBars/.vscode/c_cpp_properties.json vendored Normal file
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@ -0,0 +1,18 @@
{
"configurations": [
{
"name": "Linux",
"includePath": [
"${workspaceFolder}/**"
],
"defines": [],
"compilerPath": "/usr/bin/gcc",
"cStandard": "gnu17",
"cppStandard": "gnu++14",
"intelliSenseMode": "linux-gcc-arm",
"compileCommands": "${workspaceFolder}/build/compile_commands.json",
"configurationProvider": "ms-vscode.cmake-tools"
}
],
"version": 4
}

3
RpiLedBars/.vscode/settings.json vendored Normal file
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@ -0,0 +1,3 @@
{
"cmake.sourceDirectory": "${workspaceFolder}/backend"
}

2
RpiLedBars/backend/CMakeLists.txt
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@ -7,4 +7,6 @@ set(CMAKE_C_STANDARD 99)
add_subdirectory(libs)
configure_file(cava_config ../ COPYONLY)
add_subdirectory(src)

3
RpiLedBars/backend/install.sh
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@ -1,5 +1,6 @@
# make
cp ./bin/pixled bin/service_pixled
install -v -D ../build/src/RpiLedBars cava_config -t /opt/pixled/
# cp ./bin/pixled bin/service_pixled
sudo -s bash -c "cp pixled.service /etc/systemd/system; systemctl daemon-reload"
# sudo -s bash -c "systemctl enable pixled"
sudo -s bash -c "systemctl restart pixled"

2
RpiLedBars/backend/libs/CMakeLists.txt
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@ -1,5 +1,7 @@
include(FetchContent)
set(FETCHCONTENT_FULLY_DISCONNECTED ON)
FetchContent_Declare(
logc
GIT_REPOSITORY "https://github.com/Tropicananass/log.c.git"

5
RpiLedBars/backend/pixled.service
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@ -1,9 +1,10 @@
[Unit]
Description=pixled
Description=RpiLedBars
After=network.target
[Service]
ExecStart=pixled -n 60 -d 2
WorkingDirectory=/opt/pixled
ExecStart=/opt/pixled/RpiLedBars -n 60 -d 2
Restart=always
User=root
Group=root

2
RpiLedBars/backend/src/rpi_param.c
View File

@ -106,7 +106,7 @@ void set_sensitivity(int channel, int8_t sensitivity8) {
} else {
param.ledbar[channel].sensitivity = sensitivity;
}
log_debug("Sensitivity : %f", sensitivity);
log_debug("Sensitivity[%d] : %f", channel, sensitivity);
}
void set_hue_base(int channel, int8_t hueBase8) {

2
RpiLedBars/backend/src/tasks/cava/cava.c
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@ -187,7 +187,7 @@ static int start_cava_process() {
if (cavaPid == 0) {
/* Child process*/
// int fdLogOut;
char *args[] = {"cava", "-p", "/home/pi/LedBars/RpiLedBars/cava_config", NULL};
char *args[] = {"cava", "-p", "./cava_config", NULL};
/* Close reading end of the pipe */
close(fdCavaPipe[0]);

56
RpiLedBars/backend/src/tasks/websocket/websocket.c
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@ -34,6 +34,8 @@
int client_fd = -1;
int channel = LED_NCHANS;
/***************************************************************************************************
* Internal Function Prototypes
**************************************************************************************************/
@ -77,6 +79,14 @@ void pattern_command_handler(char *payload);
void color_command_handler(char *payload);
void modulate_command_handler(char *payload);
void channel_command_handler(char *payload);
void sensitivity_command_handler(char *payload);
void gravity_command_handler(char *payload);
/***************************************************************************************************
* External Function Definitions
**************************************************************************************************/
@ -142,6 +152,18 @@ void onmessage(int fd, const unsigned char *msg, uint64_t size, int type) {
case 'c':
color_command_handler(payload);
break;
case 's':
modulate_command_handler(payload);
break;
case 'h':
channel_command_handler(payload);
break;
case 'e':
sensitivity_command_handler(payload);
break;
case 'g':
gravity_command_handler(payload);
break;
default:
log_warn("Unkown command in \"%s\"", msgStr);
@ -187,8 +209,36 @@ void color_command_handler(char *payload) {
log_debug(" - %s", tokenArray[n]);
}
if (atoi(tokenArray[0]) == 0) {
set_hue_base(LED_NCHANS, atoi(tokenArray[1]) * INT8_MAX / HUE_MAX);
set_saturation(LED_NCHANS, atoi(tokenArray[2]) * INT8_MAX / 100);
set_luminosity(LED_NCHANS, atoi(tokenArray[3]) * INT8_MAX / 100);
set_hue_base(channel, atoi(tokenArray[1]) * INT8_MAX / HUE_MAX);
set_saturation(channel, atoi(tokenArray[2]) * INT8_MAX / 100);
set_luminosity(channel, atoi(tokenArray[3]) * INT8_MAX / 100);
} else {
set_saturation(channel, atoi(tokenArray[2]) * INT8_MAX / 100);
set_luminosity(channel, atoi(tokenArray[3]) * INT8_MAX / 100);
}
}
void modulate_command_handler(char *payload) {
bool modulate;
modulate = strcmp(payload, "true") == 0;
log_debug("modulate :%s", modulate ? "true" : "false");
set_hue_auto_shift(modulate);
}
void channel_command_handler(char *payload) {
int newChannel = atoi(payload);
if (0 <= newChannel && newChannel <= LED_NCHANS) {
log_debug("Channel: %d", newChannel);
channel = newChannel;
}
}
void sensitivity_command_handler(char *payload) {
int newSensitivity = atoi(payload);
set_sensitivity(channel, newSensitivity);
}
void gravity_command_handler(char *payload) {
int newGravity = atoi(payload);
set_gravity(newGravity);
}

24
RpiLedBars/cava_config Normal file
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@ -0,0 +1,24 @@
[general]
framerate = 60
autosens = 0
sensitivity = 200
bars = 128
[input]
method = alsa
source = plughw:1
[output]
method = raw
channels = mono
mono_option = left
data_format = ascii
ascii_max_range=65535
bit_format = 16bit
[smoothing]
integral = 77
monstercat = 0
waves = 0
gravity = 0

2
RpiLedBars/frontend/ledbars.nginx
View File

@ -38,6 +38,6 @@ server {
alias /home/pi/LedBars/RpiLedBars/frontend/web/;
# First attempt to serve request as file, then
# as directory, then fall back to displaying a 404.
try_files $uri $uri/ index.html =404;
try_files $uri $uri/ =404;
}
}

31
RpiLedBars/frontend/web/index.html
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@ -30,6 +30,11 @@
<div class="modal-body">
Try reconnecting in <span id="time-left">60s</span>
</div>
<form id="ws-input" class="btn-group" role="group" aria-label="Select ws">
<input type="radio" class="btn-check" name="ws-selection" id="hotspot-ws" autocomplete="off" value="0" checked>
<input type="radio" class="btn-check" name="ws-selection" id="local-ws" autocomplete="off" value="1">
<input type="radio" class="btn-check" name="ws-selection" id="distant-ws" autocomplete="off" value="2">
</form>
<div class="modal-footer">
<button type="button" class="btn btn-primary" onclick="{timeout=1;}">Reconnect now</button>
</div>
@ -72,32 +77,32 @@
<div class="col d-flex justify-content-center">
<form id="channel-input" class="btn-group" role="group" aria-label="Select channel">
<!-- todo: Change to checkbox -->
<input type="radio" class="btn-check" name="channel-selection" id="all-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="0-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="1-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="2-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="3-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="4-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="5-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="6-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="7-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="all-channel" autocomplete="off" value="8" checked>
<input type="radio" class="btn-check" name="channel-selection" id="0-channel" autocomplete="off" value="0">
<input type="radio" class="btn-check" name="channel-selection" id="1-channel" autocomplete="off" value="1">
<input type="radio" class="btn-check" name="channel-selection" id="2-channel" autocomplete="off" value="2">
<input type="radio" class="btn-check" name="channel-selection" id="3-channel" autocomplete="off" value="3">
<input type="radio" class="btn-check" name="channel-selection" id="4-channel" autocomplete="off" value="4">
<input type="radio" class="btn-check" name="channel-selection" id="5-channel" autocomplete="off" value="5">
<input type="radio" class="btn-check" name="channel-selection" id="6-channel" autocomplete="off" value="6">
<input type="radio" class="btn-check" name="channel-selection" id="7-channel" autocomplete="off" value="7">
</form>
</div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Sensitivity</label>
<span class="col-3 col-sm-1 text-end">50</span>
<span class="col-3 col-sm-1 text-end">64</span>
<div class="col col-sm-9">
<input type="range" class="form-range" id="formControlRange" oninput="rangeCallback(this)">
<input type="range" class="form-range" id="formControlRange" max="127" oninput="sensitivityCallback(this)">
</div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Gravity</label>
<span class="col-3 col-sm-1 text-end">50</span>
<span class="col-3 col-sm-1 text-end">64</span>
<div class="col col-sm-9">
<input type="range" class="form-range col-auto" id="formControlRange" oninput="rangeCallback(this)">
<input type="range" class="form-range col-auto" id="formControlRange" max="127" oninput="gravityCallback(this)">
</div>
</div>

3
RpiLedBars/frontend/web/index.js
View File

@ -22,6 +22,7 @@ function addLabelAndListener(name, callback) {
}
}
addLabelAndListener("ws", wsSelectCallback);
addLabelAndListener("mode", modeSelectCallback);
addLabelAndListener("pattern", patternSelectCallback);
addLabelAndListener("channel", channelSelectCallback);
@ -74,4 +75,4 @@ var modulationPicker = new iro.ColorPicker('#modulationPicker', {
reconnect();
colorPicker.on("color:change", colorChangeCallback);
modulationPicker.on("color:change", colorChangeCallback);
modulationPicker.on("color:change", modulationColorChangeCallback);

18
RpiLedBars/frontend/web/index_network_handler.js
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@ -1,3 +1,6 @@
var ws_index = 0
const ws_address_list = ["ws://192.168.4.1:8080", "ws://192.168.1.130:8080", "ws://tropicananass.ovh:8080"]
function wait_reconnection() {
--timeout;
document.getElementById("time-left").innerHTML = timeout + "s";
@ -8,7 +11,15 @@ function wait_reconnection() {
}
function reconnect() {
socket = new WebSocket("ws://tropicananass.ovh:8080");
// for (i in ws_address_list) {
// console.log("try to connect " + ws_address_list[i])
// try {
socket = new WebSocket(ws_address_list[ws_index]);
// } catch (error) {
// console.error("failed to connect to " + ws_address_list[i] + "\n" + error);
// }
// }
// socket = new WebSocket("ws://192.168.1.130");
timeout = 60;
socket.onopen = function(e) {
@ -47,5 +58,10 @@ function reconnect() {
socket.onerror = function(error) {
console.log(`[error] ws: ${error.message}`);
++ws_index;
if (ws_index >= ws_address_list.length) {
ws_index = 0;
}
document.getElementById("ws-input").elements["ws-selection"][ws_index].checked = true;
};
}

53
RpiLedBars/frontend/web/index_ui_handler.js
View File

@ -1,3 +1,11 @@
function wsSelectCallback(event) {
// todo: disable form on this != auto
if (event.target.nodeName == 'INPUT') {
console.log("ws:" + event.target.value);
ws_index = event.target.value;
}
}
function modeSelectCallback(event) {
// todo: disable form on this != auto
if (event.target.nodeName == 'INPUT') {
@ -20,28 +28,27 @@ function patternSelectCallback(event) {
function channelSelectCallback(event) {
if (event.target.nodeName == 'INPUT') {
channel = event.target.id.split("-")[0];
if (channel == "all") {
// inputArray = document.getElementById("channel-input").elements[name + "channel-selection"]
// for (let inputIndex = 0; inputIndex < inputArray.length; inputIndex++) {
// inputArray[inputIndex].checked = false;
// }
selectedChannel = 8;
} else if (channel == "none") {
inputArray = document.getElementById("channel-input").elements[name + "channel-selection"]
for (let inputIndex = 0; inputIndex < inputArray.length; inputIndex++) {
inputArray[inputIndex].checked = false;
console.log("h:" + event.target.value);
if (socket.readyState == WebSocket.OPEN) {
socket.send("h:" + event.target.value);
}
selectedChannel = -1;
} else {
inputArray = document.getElementById("channelGlobal-input").elements[name + "channelGlobal-selection"]
for (let inputIndex = 0; inputIndex < inputArray.length; inputIndex++) {
inputArray[inputIndex].checked = false;
}
selectedChannel = channel;
}
function sensitivityCallback(element) {
console.log("e:" + element.value);
if (socket.readyState == WebSocket.OPEN) {
socket.send("e:" + element.value);
}
console.log("channel:" + selectedChannel);
rangeCallback(element);
}
function gravityCallback(element) {
console.log("g:" + element.value);
if (socket.readyState == WebSocket.OPEN) {
socket.send("g:" + element.value);
}
rangeCallback(element);
}
var eventd;
@ -54,6 +61,9 @@ function colorModulateCallback(element) {
document.getElementById("modulationPicker").classList.add("d-none");
}
console.log("s: " + element.checked);
if (socket.readyState == WebSocket.OPEN) {
socket.send("s:" + element.checked);
}
}
function colorChangeCallback(color) {
@ -63,6 +73,13 @@ function colorChangeCallback(color) {
}
}
function modulationColorChangeCallback(color) {
console.log("c: " + (color.index + 2) + ", h: " + color.hsl.h + ", s: " + color.hsl.s + ", l: " + color.hsl.l + "}");
if (socket.readyState == WebSocket.OPEN) {
socket.send("c:" + (color.index + 2) + "," + color.hsl.h + "," + color.hsl.s + "," + color.hsl.l);
}
}
function rangeCallback(element) {
eventd = this
element.parentNode.parentElement.getElementsByTagName('span')[0].innerText = element.value;

262
RpiLedBars/frontend/webapp/src/App.vue
View File

@ -1,33 +1,93 @@
<template>
<div class="bg-dark text-white">
<div class="bg-dark text-white">
<div class="container">
<div class="row py-4 text-center" id="header">
<h1> Tropicananass Leds </h1>
<h1>Tropicananass Leds</h1>
</div>
<Reconnect></Reconnect>
<ModeSelect :mode_list="{Test, Artnet, Auto, Manual}"></ModeSelect>
<ModeSelect mode_list="{Test, Artnet, Auto, Manual}"></ModeSelect>
<div class="row pt-2 gy-2">
<div class="col d-flex justify-content-center">
<form id="mode-input" class="btn-group" role="group" aria-label="Select mode">
<input type="radio" class="btn-check" name="mode-selection" id="test-mode" autocomplete="off" value="0" checked>
<input type="radio" class="btn-check" name="mode-selection" id="artnet-mode" autocomplete="off" value="1">
<input type="radio" class="btn-check" name="mode-selection" id="auto-mode" autocomplete="off" value="2">
<input type="radio" class="btn-check" name="mode-selection" id="manual-mode" autocomplete="off" value="3">
<form
id="mode-input"
class="btn-group"
role="group"
aria-label="Select mode"
>
<input
type="radio"
class="btn-check"
name="mode-selection"
id="test-mode"
autocomplete="off"
value="0"
checked
/>
<input
type="radio"
class="btn-check"
name="mode-selection"
id="artnet-mode"
autocomplete="off"
value="1"
/>
<input
type="radio"
class="btn-check"
name="mode-selection"
id="auto-mode"
autocomplete="off"
value="2"
/>
<input
type="radio"
class="btn-check"
name="mode-selection"
id="manual-mode"
autocomplete="off"
value="3"
/>
</form>
</div>
<div class="col d-flex justify-content-center">
<form id="pattern-input" class="btn-group" role="group" aria-label="Select pattern">
<input type="radio" class="btn-check" name="pattern-selection" id="pulse-pattern" autocomplete="off" value="0" checked>
<input type="radio" class="btn-check" name="pattern-selection" id="travel-pattern" autocomplete="off" value="1">
<input type="radio" class="btn-check" name="pattern-selection" id="strobe-pattern" autocomplete="off" value="2">
<form
id="pattern-input"
class="btn-group"
role="group"
aria-label="Select pattern"
>
<input
type="radio"
class="btn-check"
name="pattern-selection"
id="pulse-pattern"
autocomplete="off"
value="0"
checked
/>
<input
type="radio"
class="btn-check"
name="pattern-selection"
id="travel-pattern"
autocomplete="off"
value="1"
/>
<input
type="radio"
class="btn-check"
name="pattern-selection"
id="strobe-pattern"
autocomplete="off"
value="2"
/>
</form>
</div>
</div>
<div class="row pt-2 gy-2">
<legend class="col-12 col-sm-auto">Channel</legend>
<!-- <div class="col d-flex justify-content-center">
@ -37,87 +97,199 @@
</form>
</div> -->
<div class="col d-flex justify-content-center">
<form id="channel-input" class="btn-group" role="group" aria-label="Select channel">
<form
id="channel-input"
class="btn-group"
role="group"
aria-label="Select channel"
>
<!-- todo: Change to checkbox -->
<input type="radio" class="btn-check" name="channel-selection" id="all-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="0-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="1-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="2-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="3-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="4-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="5-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="6-channel" autocomplete="off" checked>
<input type="radio" class="btn-check" name="channel-selection" id="7-channel" autocomplete="off" checked>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="all-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="0-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="1-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="2-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="3-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="4-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="5-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="6-channel"
autocomplete="off"
checked
/>
<input
type="radio"
class="btn-check"
name="channel-selection"
id="7-channel"
autocomplete="off"
checked
/>
</form>
</div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Sensitivity</label>
<label
class="form-label col-9 col-sm-2 text-sm-end"
for="formControlRange"
>Sensitivity</label
>
<span class="col-3 col-sm-1 text-end">50</span>
<div class="col col-sm-9">
<input type="range" class="form-range" id="formControlRange" oninput="rangeCallback(this)">
<input
type="range"
class="form-range"
id="formControlRange"
oninput="rangeCallback(this)"
/>
</div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Gravity</label>
<label
class="form-label col-9 col-sm-2 text-sm-end"
for="formControlRange"
>Gravity</label
>
<span class="col-3 col-sm-1 text-end">50</span>
<div class="col col-sm-9">
<input type="range" class="form-range col-auto" id="formControlRange" oninput="rangeCallback(this)">
<input
type="range"
class="form-range col-auto"
id="formControlRange"
oninput="rangeCallback(this)"
/>
</div>
</div>
<div class="row pt-2 gy-2">
<div class="col">
<div class="form-check form-switch">
<input class="form-check-input" type="checkbox" id="modulateColor" onclick="colorModulateCallback(this)">
<label class="form-check-label" for="modulateColor">Modulate color</label>
<input
class="form-check-input"
type="checkbox"
id="modulateColor"
onclick="colorModulateCallback(this)"
/>
<label class="form-check-label" for="modulateColor"
>Modulate color</label
>
</div>
</div>
</div>
<div class="row pt-2 gy-2">
<div id="mainPicker" class="col d-flex justify-content-center"></div>
<div id="modulationPicker" class="col d-none d-flex justify-content-center"></div>
<div
id="modulationPicker"
class="col d-none d-flex justify-content-center"
></div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Modulation speed</label>
<label
class="form-label col-9 col-sm-2 text-sm-end"
for="formControlRange"
>Modulation speed</label
>
<span class="col-3 col-sm-auto text-end" id="rangeval">50</span>
<div class="col col-sm-9">
<input type="range" class="form-range col-auto" id="formControlRange" oninput="rangeCallback(this)">
<input
type="range"
class="form-range col-auto"
id="formControlRange"
oninput="rangeCallback(this)"
/>
</div>
</div>
<div class="row pt-2 gy-2">
<label class="form-label col-9 col-sm-2 text-sm-end" for="formControlRange">Freq</label>
<label
class="form-label col-9 col-sm-2 text-sm-end"
for="formControlRange"
>Freq</label
>
<span class="col-3 col-sm-auto text-end" id="rangeval">50</span>
<div class="col col-sm-9">
<input type="range" class="form-range col-auto" id="formControlRange" oninput="rangeCallback(this)">
<input
type="range"
class="form-range col-auto"
id="formControlRange"
oninput="rangeCallback(this)"
/>
</div>
</div>
</div>
</div>
<h1>Hello !!</h1>
<img alt="Vue logo" src="./assets/logo.png">
<HelloWorld msg="Welcome to Your Vue.js App"/>
<img alt="Vue logo" src="./assets/logo.png" />
<HelloWorld msg="Welcome to Your Vue.js App" />
</template>
<script>
import Reconnect from './components/Reconnect.vue'
import ModeSelect from './components/ModeSelect.vue'
import Reconnect from "./components/Reconnect.vue";
import ModeSelect from "./components/ModeSelect.vue";
export default {
name: 'App',
name: "App",
components: {
Reconnect,
ModeSelect
}
}
ModeSelect,
},
};
</script>
<style>
</style>
<style></style>

18
RpiLedBars/install.sh Normal file
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@ -0,0 +1,18 @@
#! /usr/bin/env bash
target=pi_hotspot
dir_target=~/RpiLedBars
# I - Copy project to pi target
## 1 - select target from ssh config
## 2 - rsync project
rsync -avz --delete --backup-dir=../RpiLedBars_backup/"$(date +%F_%H-%M-%S)" ./ -e ssh ${target}:${dir_target}
# II - Connect to pi target
## 1 - Check prequistite (cava, i2s micropphone module, CMake)
## 2 - Build project
ssh ${target} "cd ${dir_target}/frontend && "
## 3 - Install project

5
RpiLedBars/main.py
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@ -1,5 +1,10 @@
#! /usr/bin/env python3
###
# This is a test script for testing rgb led strip reacting to i2S microphone input.
# This do not use hardware acceleration.
###
import alsaaudio
import audioop
import board