Merge pull request #3106 from lost-hope/klipper

Usermod: Klipper percentage
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Blaž Kristan 2023-03-10 14:14:31 +01:00 committed by GitHub
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# Klipper Percentage Usermod
This usermod polls the Klipper API every 10s for the progressvalue.
The leds are then filled with a solid color according to that progress percentage.
the solid color is the secondary color of the segment.
A corresponding curl command would be:
```
curl --location --request GET 'http://[]/printer/objects/query?virtual_sdcard=progress'
```
## Usage
Compile the source with the buildflag `-D USERMOD_KLIPPER_PERCENTAGE` added.
You can also use the WLBD bot in the Discord by simply extending an exsisting build enviroment:
```
[env:esp32klipper]
extends = env:esp32dev
build_flags = ${common.build_flags_esp32} -D USERMOD_KLIPPER_PERCENTAGE
```
## Settings
### Enabled:
Checkbox to enable or disable the overlay
### Klipper IP:
IP adress of your Klipper instance you want to poll. ESP has to be restarted after change
### Direction :
0 = normal
1 = reversed
2 = center
-----
Author:
Sören Willrodt
Discord: Sören#5281

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#pragma once
#include "wled.h"
class klipper_percentage : public Usermod
{
private:
unsigned long lastTime = 0;
String ip = "192.168.25.207";
WiFiClient wifiClient;
char errorMessage[100] = "";
int printPercent = 0;
int direction = 0; // 0 for along the strip, 1 for reversed direction
static const char _name[];
static const char _enabled[];
bool enabled = false;
void httpGet(WiFiClient &client, char *errorMessage)
{
// https://arduinojson.org/v6/example/http-client/
// is this the most compact way to do http get and put it in arduinojson object???
// would like async response ... ???
client.setTimeout(10000);
if (!client.connect(ip.c_str(), 80))
{
strcat(errorMessage, PSTR("Connection failed"));
}
else
{
// Send HTTP request
client.println(F("GET /printer/objects/query?virtual_sdcard=progress HTTP/1.0"));
client.println("Host: " + ip);
client.println(F("Connection: close"));
if (client.println() == 0)
{
strcat(errorMessage, PSTR("Failed to send request"));
}
else
{
// Check HTTP status
char status[32] = {0};
client.readBytesUntil('\r', status, sizeof(status));
if (strcmp(status, "HTTP/1.1 200 OK") != 0)
{
strcat(errorMessage, PSTR("Unexpected response: "));
strcat(errorMessage, status);
}
else
{
// Skip HTTP headers
char endOfHeaders[] = "\r\n\r\n";
if (!client.find(endOfHeaders))
{
strcat(errorMessage, PSTR("Invalid response"));
}
}
}
}
}
public:
void setup()
{
}
void connected()
{
}
void loop()
{
if (enabled)
{
if (WLED_CONNECTED)
{
if (millis() - lastTime > 10000)
{
httpGet(wifiClient, errorMessage);
if (strcmp(errorMessage, "") == 0)
{
PSRAMDynamicJsonDocument klipperDoc(4096); // in practive about 2673
DeserializationError error = deserializeJson(klipperDoc, wifiClient);
if (error)
{
strcat(errorMessage, PSTR("deserializeJson() failed: "));
strcat(errorMessage, error.c_str());
}
printPercent = (int)(klipperDoc["result"]["status"]["virtual_sdcard"]["progress"].as<float>() * 100);
DEBUG_PRINT("Percent: ");
DEBUG_PRINTLN((int)(klipperDoc["result"]["status"]["virtual_sdcard"]["progress"].as<float>() * 100));
DEBUG_PRINT("LEDs: ");
DEBUG_PRINTLN(direction == 2 ? (strip.getLengthTotal() / 2) * printPercent / 100 : strip.getLengthTotal() * printPercent / 100);
}
else
{
DEBUG_PRINTLN(errorMessage);
DEBUG_PRINTLN(ip);
}
lastTime = millis();
}
}
}
}
void addToConfig(JsonObject &root)
{
JsonObject top = root.createNestedObject("Klipper Printing Percentage");
top["Enabled"] = enabled;
top["Klipper IP"] = ip;
top["Direction"] = direction;
}
bool readFromConfig(JsonObject &root)
{
// default settings values could be set here (or below using the 3-argument getJsonValue()) instead of in the class definition or constructor
// setting them inside readFromConfig() is slightly more robust, handling the rare but plausible use case of single value being missing after boot (e.g. if the cfg.json was manually edited and a value was removed)
JsonObject top = root["Klipper Printing Percentage"];
bool configComplete = !top.isNull();
configComplete &= getJsonValue(top["Klipper IP"], ip);
configComplete &= getJsonValue(top["Enabled"], enabled);
configComplete &= getJsonValue(top["Direction"], direction);
return configComplete;
}
/*
* addToJsonInfo() can be used to add custom entries to the /json/info part of the JSON API.
* Creating an "u" object allows you to add custom key/value pairs to the Info section of the WLED web UI.
* Below it is shown how this could be used for e.g. a light sensor
*/
void addToJsonInfo(JsonObject &root)
{
JsonObject user = root["u"];
if (user.isNull())
user = root.createNestedObject("u");
JsonArray infoArr = user.createNestedArray(FPSTR(_name));
String uiDomString = F("<button class=\"btn btn-xs\" onclick=\"requestJson({");
uiDomString += FPSTR(_name);
uiDomString += F(":{");
uiDomString += FPSTR(_enabled);
uiDomString += enabled ? F(":false}});\">") : F(":true}});\">");
uiDomString += F("<i class=\"icons");
uiDomString += enabled ? F(" on") : F(" off");
uiDomString += F("\">&#xe08f;</i>");
uiDomString += F("</button>");
infoArr.add(uiDomString);
}
void addToJsonState(JsonObject &root)
{
JsonObject usermod = root[FPSTR(_name)];
if (usermod.isNull())
{
usermod = root.createNestedObject(FPSTR(_name));
}
usermod["on"] = enabled;
}
void readFromJsonState(JsonObject &root)
{
JsonObject usermod = root[FPSTR(_name)];
if (!usermod.isNull())
{
if (usermod[FPSTR(_enabled)].is<bool>())
{
enabled = usermod[FPSTR(_enabled)].as<bool>();
}
}
}
/*
* handleOverlayDraw() is called just before every show() (LED strip update frame) after effects have set the colors.
* Use this to blank out some LEDs or set them to a different color regardless of the set effect mode.
* Commonly used for custom clocks (Cronixie, 7 segment)
*/
void handleOverlayDraw()
{
if (enabled)
{
if (direction == 0) // normal
{
for (int i = 0; i < strip.getLengthTotal() * printPercent / 100; i++)
{
strip.setPixelColor(i, strip.getSegment(0).colors[1]);
}
}
else if (direction == 1) // reversed
{
for (int i = 0; i < strip.getLengthTotal() * printPercent / 100; i++)
{
strip.setPixelColor(strip.getLengthTotal() - i, strip.getSegment(0).colors[1]);
}
}
else if (direction == 2) // center
{
for (int i = 0; i < (strip.getLengthTotal() / 2) * printPercent / 100; i++)
{
strip.setPixelColor((strip.getLengthTotal() / 2) + i, strip.getSegment(0).colors[1]);
strip.setPixelColor((strip.getLengthTotal() / 2) - i, strip.getSegment(0).colors[1]);
}
}
else
{
direction = 0;
}
}
}
/*
* getId() allows you to optionally give your V2 usermod an unique ID (please define it in const.h!).
* This could be used in the future for the system to determine whether your usermod is installed.
*/
uint16_t getId()
{
return USERMOD_ID_KLIPPER;
}
};
const char klipper_percentage::_name[] PROGMEM = "Klipper_Percentage";
const char klipper_percentage::_enabled[] PROGMEM = "enabled";

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#define USERMOD_ID_SD_CARD 37 //Usermod "usermod_sd_card.h"
#define USERMOD_ID_PWM_OUTPUTS 38 //Usermod "usermod_pwm_outputs.h
#define USERMOD_ID_SHT 39 //Usermod "usermod_sht.h
#define USERMOD_ID_KLIPPER 40 // Usermod Klipper percentage
//Access point behavior
#define AP_BEHAVIOR_BOOT_NO_CONN 0 //Open AP when no connection after boot

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#include "../usermods/ADS1115_v2/usermod_ads1115.h"
#endif
#ifdef USERMOD_KLIPPER_PERCENTAGE
#include "..\usermods\usermod_v2_klipper_percentage\usermod_v2_klipper_percentage.h"
#endif
#ifdef USERMOD_BOBLIGHT
#include "../usermods/boblight/boblight.h"
#endif
@ -334,6 +338,10 @@ void registerUsermods()
usermods.add(new ADS1115Usermod());
#endif
#ifdef USERMOD_KLIPPER_PERCENTAGE
usermods.add(new klipper_percentage());
#endif
#ifdef USERMOD_BOBLIGHT
usermods.add(new BobLightUsermod());
#endif