Merge pull request #6 from suchmememanyskill/dev

V1.1.1

CYD-Klipper/.vscode/settings.json

@@ -8,6 +8,7 @@
         "unordered_set": "cpp",
         "vector": "cpp",
         "string_view": "cpp",
-        "initializer_list": "cpp"
+        "initializer_list": "cpp",
+        "algorithm": "cpp"
     }
 }

CYD-Klipper/src/conf/global_config.cpp

@@ -41,6 +41,12 @@ void LoadGlobalConfig() {
     global_config.version = CONFIG_VERSION;
     global_config.brightness = 255;
     global_config.screenTimeout = 5;
+    global_config.hotend_presets[0] = 0;
+    global_config.hotend_presets[1] = 200;
+    global_config.hotend_presets[2] = 240;
+    global_config.bed_presets[0] = 0;
+    global_config.bed_presets[1] = 60;
+    global_config.bed_presets[2] = 70;
     VerifyVersion();
     Preferences preferences;
     preferences.begin("global_config", true);

CYD-Klipper/src/conf/global_config.h

@@ -3,7 +3,7 @@
 
 #include "lvgl.h"
 
-#define CONFIG_VERSION 2
+#define CONFIG_VERSION 3
 
 typedef struct _GLOBAL_CONFIG {
     unsigned char version;
@@ -33,6 +33,9 @@ typedef struct _GLOBAL_CONFIG {
     unsigned char color_scheme;
     unsigned char brightness;
     unsigned char screenTimeout;
+
+    unsigned short hotend_presets[3];
+    unsigned short bed_presets[3];
 } GLOBAL_CONFIG;
     
 typedef struct _COLOR_DEF {

CYD-Klipper/src/core/data_setup.cpp

@@ -4,6 +4,7 @@
 #include "../conf/global_config.h"
 #include <HTTPClient.h>
 #include <ArduinoJson.h>
+#include "macros_query.h"
 
 const char *printer_state_messages[] = {
     "Error",
@@ -179,4 +180,5 @@ void data_setup()
 {
     printer.print_filename = filename_buff;
     fetch_printer_data();
+    macros_query_setup();
 }

CYD-Klipper/src/core/data_setup.h

@@ -31,6 +31,7 @@ extern Printer printer;
 
 #define DATA_PRINTER_STATE 1
 #define DATA_PRINTER_DATA 2
+#define DATA_PRINTER_TEMP_PRESET 3
 
 void data_loop();
 void data_setup();

CYD-Klipper/src/core/macros_query.cpp

@@ -0,0 +1,51 @@
+#include "lvgl.h"
+#include "macros_query.h"
+#include "./data_setup.h"
+#include <HTTPClient.h>
+#include "../conf/global_config.h"
+#include <ArduinoJson.h>
+
+static char* macros[64] = {0};
+static int macros_count = 0;
+
+static void on_state_change(void * s, lv_msg_t * m) {
+    if (printer.state == PRINTER_STATE_ERROR || printer.state == PRINTER_STATE_PAUSED){
+        return;
+    }
+
+    String url = "http://" + String(global_config.klipperHost) + ":" + String(global_config.klipperPort) + "/printer/gcode/help";
+    HTTPClient client;
+    client.begin(url.c_str());
+    int httpCode = client.GET();
+    if (httpCode == 200){
+        String payload = client.getString();
+        DynamicJsonDocument doc(16384);
+        deserializeJson(doc, payload);
+        auto result = doc["result"].as<JsonObject>();
+
+        for (int i = 0; i < macros_count; i++){
+            free(macros[i]);
+        }
+
+        macros_count = 0;
+
+        for (JsonPair i : result){
+            const char *key = i.key().c_str();
+            const char *value = i.value().as<String>().c_str();
+            if (strcmp(value, "CYD_SCREEN_MACRO") == 0) {
+                char* macro = (char*)malloc(strlen(key) + 1);
+                strcpy(macro, key);
+                macros[macros_count++] = macro;
+            }
+        }
+    }
+}
+
+MACROSQUERY macros_query() {
+    return {(const char**)macros, macros_count};
+}
+
+void macros_query_setup(){
+    lv_msg_subscribe(DATA_PRINTER_STATE, on_state_change, NULL);
+    on_state_change(NULL, NULL);
+}

CYD-Klipper/src/core/macros_query.h

@@ -0,0 +1,9 @@
+#pragma once
+
+typedef struct {
+    const char** macros;
+    uint32_t count;
+} MACROSQUERY;
+
+MACROSQUERY macros_query();
+void macros_query_setup();

CYD-Klipper/src/core/screen_driver.cpp

@@ -100,12 +100,20 @@ void screen_timer_wake()
     lv_timer_reset(screenSleepTimer);
     isScreenInSleep = false;
     set_screen_brightness();
+
+    // Reset cpu freq
+    setCpuFrequencyMhz(CPU_FREQ_HIGH);
+    Serial.printf("CPU Speed: %d MHz\n", ESP.getCpuFreqMHz());
 }
 
 void screen_timer_sleep(lv_timer_t *timer)
 {
     screen_setBrightness(0);
     isScreenInSleep = true;
+
+    // Screen is off, no need to make the cpu run fast, the user won't notice ;)
+    setCpuFrequencyMhz(CPU_FREQ_LOW);
+    Serial.printf("CPU Speed: %d MHz\n", ESP.getCpuFreqMHz());
 }
 
 void screen_timer_setup()

CYD-Klipper/src/core/screen_driver.h

@@ -4,6 +4,9 @@
 #ifndef _SCREEN_DRIVER_INIT
 #define _SCREEN_DRIVER_INIT
 
+#define CPU_FREQ_HIGH 240
+#define CPU_FREQ_LOW 80
+
 #include <XPT2046_Touchscreen.h>
 #include <TFT_eSPI.h>
 

CYD-Klipper/src/main.cpp

@@ -25,33 +25,11 @@ void setup() {
     Serial.println("Screen init done");
     
     wifi_init();
-    ip_setup();
+    ip_init();
     data_setup();
 
     nav_style_setup();
     main_ui_setup();
-
-    
-    
-    /*
-    lv_obj_clean(lv_scr_act());
-    
-    lv_obj_t * label;
-
-    lv_obj_t * btn1 = lv_btn_create(lv_scr_act());
-    lv_obj_add_event_cb(btn1, event_handler, LV_EVENT_CLICKED, NULL);
-    lv_obj_align(btn1, LV_ALIGN_CENTER, 0, 0);
-
-    label = lv_label_create(btn1);
-    lv_label_set_text(label, "Reset Configuration");
-    lv_obj_center(label);
-
-    lv_obj_t * slider = lv_slider_create(lv_scr_act());
-    lv_obj_set_width(slider, 200);
-    lv_obj_align(slider, LV_ALIGN_CENTER, 0, 40);
-    lv_slider_set_range(slider, 0, 100);
-    lv_slider_set_value(slider, 50, LV_ANIM_OFF);
-    */
 }
 
 void loop(){

CYD-Klipper/src/ui/ip_setup.cpp

@@ -9,12 +9,15 @@ lv_obj_t * ipEntry;
 lv_obj_t * portEntry;
 lv_obj_t * label = NULL;
 
+void ip_init_inner();
+
 bool verify_ip(){
     HTTPClient client;
     String url = "http://" + String(global_config.klipperHost) + ":" + String(global_config.klipperPort) + "/printer/info";
     int httpCode;
     try {
         Serial.println(url);
+        client.setTimeout(500);
         client.begin(url.c_str());
         httpCode = client.GET();
         return httpCode == 200;
@@ -42,8 +45,8 @@ static void ta_event_cb(lv_event_t * e) {
     {
         strcpy(global_config.klipperHost, lv_textarea_get_text(ipEntry));
         global_config.klipperPort = atoi(lv_textarea_get_text(portEntry));
-        bool result = verify_ip();
+
-        if (result)
+        if (verify_ip())
         {
             global_config.ipConfigured = true;
             WriteGlobalConfig();
@@ -56,9 +59,33 @@ static void ta_event_cb(lv_event_t * e) {
     }
 }
 
-void ip_setup_inner(){
+static void reset_btn_event_handler(lv_event_t * e){
+    lv_event_code_t code = lv_event_get_code(e);
+
+    if(code == LV_EVENT_CLICKED) {
+        global_config.ipConfigured = false;
+        ip_init_inner();
+    }
+}
+
+void ip_init_inner(){
     lv_obj_clean(lv_scr_act());
 
+    if (global_config.ipConfigured) {
+        label = lv_label_create(lv_scr_act());
+        lv_label_set_text(label, "Connecting to Klipper");
+        lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
+
+        lv_obj_t * resetBtn = lv_btn_create(lv_scr_act());
+        lv_obj_add_event_cb(resetBtn, reset_btn_event_handler, LV_EVENT_ALL, NULL);
+        lv_obj_align(resetBtn, LV_ALIGN_CENTER, 0, 40);
+
+        lv_obj_t * btnLabel = lv_label_create(resetBtn);
+        lv_label_set_text(btnLabel, "Reset");
+        lv_obj_center(btnLabel);
+        return;
+    }
+
     lv_obj_t * keyboard = lv_keyboard_create(lv_scr_act());
     label = lv_label_create(lv_scr_act());
     lv_label_set_text(label, "Enter Klipper IP and Port");
@@ -84,18 +111,26 @@ void ip_setup_inner(){
     lv_keyboard_set_textarea(keyboard, ipEntry);
 }
 
-void ip_setup(){
+long last_data_update_ip = -10000;
+const long data_update_interval_ip = 10000;
+int retry_count = 0;
+
+void ip_init(){
     connect_ok = false;
 
-    if (global_config.ipConfigured && verify_ip()){
+    ip_init_inner();
-        return;
-    }
-
-    ip_setup_inner();
 
     while (!connect_ok)
     {
         lv_timer_handler();
         lv_task_handler();
+
+        if (!connect_ok && global_config.ipConfigured && (millis() - last_data_update_ip) > data_update_interval_ip){
+            connect_ok = verify_ip();
+            last_data_update_ip = millis();
+            retry_count++;
+            String retry_count_text = "Connecting to Klipper (Try " + String(retry_count + 1) + ")";
+            lv_label_set_text(label, retry_count_text.c_str());
+        }
     }
 }

CYD-Klipper/src/ui/ip_setup.h

@@ -1 +1 @@
-void ip_setup();
+void ip_init();

CYD-Klipper/src/ui/nav_buttons.cpp

@@ -71,6 +71,10 @@ static void btn_click_settings(lv_event_t * e){
     nav_buttons_setup(3);
 }
 
+static void btn_click_macros(lv_event_t * e){
+    nav_buttons_setup(4);
+}
+
 void nav_buttons_setup(unsigned char active_panel){
     lv_obj_clean(lv_scr_act());
     lv_obj_clear_flag(lv_scr_act(), LV_OBJ_FLAG_SCROLLABLE);
@@ -140,14 +144,14 @@ void nav_buttons_setup(unsigned char active_panel){
     lv_obj_set_size(btn, button_width, button_height);
     lv_obj_align(btn, LV_ALIGN_TOP_LEFT, 0, button_height * 3);
     lv_obj_add_style(btn, &nav_button_style, 0);
-    lv_obj_add_event_cb(btn, btn_click_settings, LV_EVENT_CLICKED, NULL);
+    lv_obj_add_event_cb(btn, btn_click_macros, LV_EVENT_CLICKED, NULL);
 
     label = lv_label_create(btn);
-    lv_label_set_text(label, LV_SYMBOL_SETTINGS);
+    lv_label_set_text(label, LV_SYMBOL_GPS);
     lv_obj_align(label, LV_ALIGN_CENTER, 0, -1 * icon_text_spacing);
 
     label = lv_label_create(btn);
-    lv_label_set_text(label, "Screen");
+    lv_label_set_text(label, "Macro");
     lv_obj_align(label, LV_ALIGN_CENTER, 0, icon_text_spacing);
     lv_obj_add_style(label, &nav_button_text_style, 0);
 
@@ -171,6 +175,9 @@ void nav_buttons_setup(unsigned char active_panel){
         case 3:
             settings_panel_init(panel);
             break;
+        case 4:
+            macros_panel_init(panel);
+            break;
     }
 }
 

CYD-Klipper/src/ui/panels/macros_panel.cpp

@@ -0,0 +1,81 @@
+#include "lvgl.h"
+#include "panel.h"
+#include "../nav_buttons.h"
+#include "../../core/data_setup.h"
+#include "../../core/macros_query.h"
+#include <HardwareSerial.h>
+
+int y_offset_macros = 40;
+const int y_element_size = 50;
+const int y_seperator_size = 1;
+const int y_seperator_x_padding = 50;
+const int panel_width = TFT_HEIGHT - 40;
+const int y_element_x_padding = 30;
+const static lv_point_t line_points[] = { {0, 0}, {panel_width - y_seperator_x_padding, 0} };
+
+static void btn_press(lv_event_t * e){
+    lv_obj_t * btn = lv_event_get_target(e);
+    const char* macro = (const char*)lv_event_get_user_data(e);
+    Serial.printf("Macro: %s\n", macro);
+    send_gcode(false, macro);
+}
+
+static void btn_goto_settings(lv_event_t * e){
+    nav_buttons_setup(3);
+}
+
+void create_macro_widget(const char* macro, lv_obj_t* root_panel){
+    lv_obj_t * panel = lv_obj_create(root_panel);
+    lv_obj_set_style_border_width(panel, 0, 0);
+    lv_obj_set_style_bg_opa(panel, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_pad_all(panel, 0, 0);
+    lv_obj_align(panel, LV_ALIGN_TOP_MID, 0, y_offset_macros);
+    lv_obj_set_size(panel, panel_width - y_element_x_padding, y_element_size);
+
+    lv_obj_t * line = lv_line_create(panel);
+    lv_line_set_points(line, line_points, 2);
+    lv_obj_set_style_line_width(line, y_seperator_size, 0);
+    lv_obj_set_style_line_color(line, lv_color_hex(0xAAAAAA), 0);
+    lv_obj_align(line, LV_ALIGN_BOTTOM_MID, 0, 0);
+
+    lv_obj_t * label = lv_label_create(panel);
+    lv_label_set_text(label, macro);
+    lv_obj_align(label, LV_ALIGN_LEFT_MID, 0, 0);
+    lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
+    lv_obj_set_width(label, (TFT_HEIGHT - 40) * 0.75f);
+
+    lv_obj_t * btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_RIGHT_MID, 0, 0);
+    lv_obj_add_event_cb(btn, btn_press, LV_EVENT_CLICKED, (void*)macro);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, "Run");
+    lv_obj_center(label);
+
+    y_offset_macros += y_element_size;
+}
+
+void macros_panel_init(lv_obj_t* panel) {
+    y_offset_macros = 40;
+
+    lv_obj_t * btn = lv_btn_create(panel);
+    lv_obj_add_event_cb(btn, btn_goto_settings, LV_EVENT_CLICKED, NULL);
+    lv_obj_set_size(btn, TFT_HEIGHT - 40 - 20, 30);
+    lv_obj_align(btn, LV_ALIGN_TOP_MID, 0, 5);
+
+    lv_obj_t * label = lv_label_create(btn);
+    lv_label_set_text(label, LV_SYMBOL_SETTINGS " Screen Settings");
+    lv_obj_center(label);
+
+    MACROSQUERY query = macros_query();
+    if (query.count == 0){
+        label = lv_label_create(panel);
+        lv_label_set_text(label, "No macros found.\nMacros with the description\n\"CYD_SCREEN_MACRO\"\nwill show up here.");
+        lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
+        return;
+    }
+
+    for (int i = 0; i < query.count; i++){
+        create_macro_widget(query.macros[i], panel);
+    }
+}

CYD-Klipper/src/ui/panels/panel.h

@@ -7,3 +7,4 @@ void temp_panel_init(lv_obj_t* panel);
 void print_panel_init(lv_obj_t* panel);
 void move_panel_init(lv_obj_t* panel);
 void progress_panel_init(lv_obj_t* panel);
+void macros_panel_init(lv_obj_t* panel);

CYD-Klipper/src/ui/panels/print_panel.cpp

@@ -12,8 +12,27 @@ static void btn_print_file(lv_event_t * e){
     lv_obj_t * panel = (lv_obj_t*)lv_event_get_user_data(e);
     lv_obj_del(panel);
 
-    char* buff = (char*)malloc(128 + strlen(selected_file->name));
+    char* buff = (char*)malloc(128 + (strlen(selected_file->name) * 3));
-    sprintf(buff, "http://%s:%d/printer/print/start?filename=%s", global_config.klipperHost, global_config.klipperPort, selected_file->name);
+    sprintf(buff, "http://%s:%d/printer/print/start?filename=", global_config.klipperHost, global_config.klipperPort);
+
+    char* ptr = buff + strlen(buff);
+    int filename_length = strlen(selected_file->name);
+    for (int i = 0; i < filename_length; i++){
+        char c = selected_file->name[i];
+        if (c == ' '){
+            *ptr = '%';
+            ptr++;
+            *ptr = '2';
+            ptr++;
+            *ptr = '0';
+        } else {
+            *ptr = c;
+        }
+        ptr++;
+    }
+
+    *ptr = 0;
+
     HTTPClient client;
     client.begin(buff);
     int httpCode = client.POST("");

CYD-Klipper/src/ui/panels/temp_panel.cpp

@@ -1,25 +1,70 @@
 #include "lvgl.h"
-#include "panel.h"
 #include "../../core/data_setup.h"
+#include "../../conf/global_config.h"
 #include <HardwareSerial.h>
 
-// False: Hotend, True: Bed
+enum temp_target{
-static bool hotend_or_bed = true;
+    TARGET_HOTEND,
+    TARGET_BED,
+    TARGET_HOTEND_CONFIG_1,
+    TARGET_HOTEND_CONFIG_2,
+    TARGET_HOTEND_CONFIG_3,
+    TARGET_BED_CONFIG_1,
+    TARGET_BED_CONFIG_2,
+    TARGET_BED_CONFIG_3,
+};
+
+static temp_target keyboard_target;
 static char hotend_buff[40];
 static char bed_buff[40];
+static bool edit_mode = false;
+lv_obj_t* root_panel;
 
 static void update_printer_data_hotend_temp(lv_event_t * e){
     lv_obj_t * label = lv_event_get_target(e);
-    sprintf(hotend_buff, "Hotend: %.0f C\nTarget: %.0f C", printer.extruder_temp, printer.extruder_target_temp);
+    sprintf(hotend_buff, "Hotend: %.0f C (Target: %.0f C)", printer.extruder_temp, printer.extruder_target_temp);
     lv_label_set_text(label, hotend_buff);
 }
 
 static void update_printer_data_bed_temp(lv_event_t * e){
     lv_obj_t * label = lv_event_get_target(e);
-    sprintf(bed_buff, "Bed: %.0f C\nTarget: %.0f C", printer.bed_temp, printer.bed_target_temp);
+    sprintf(bed_buff, "Bed: %.0f C (Target: %.0f C)", printer.bed_temp, printer.bed_target_temp);
     lv_label_set_text(label, bed_buff);
 }
 
+static short get_temp_preset(int target){
+    switch (target){
+        case TARGET_HOTEND_CONFIG_1:
+            return global_config.hotend_presets[0];
+        case TARGET_HOTEND_CONFIG_2:
+            return global_config.hotend_presets[1];
+        case TARGET_HOTEND_CONFIG_3:
+            return global_config.hotend_presets[2];
+        case TARGET_BED_CONFIG_1:
+            return global_config.bed_presets[0];
+        case TARGET_BED_CONFIG_2:
+            return global_config.bed_presets[1];
+        case TARGET_BED_CONFIG_3:
+            return global_config.bed_presets[2];
+        default:
+            return -1;
+    }
+}
+
+static void update_temp_preset_label(lv_event_t * e){
+    lv_obj_t * label = lv_event_get_target(e);
+    int target = static_cast<int>(reinterpret_cast<intptr_t>(lv_event_get_user_data(e)));
+    short value = get_temp_preset(target);
+
+    String text_label = String(value) + " C";
+    lv_label_set_text(label, text_label.c_str());
+}
+
+void UpdateConfig(){
+    WriteGlobalConfig();
+    lv_msg_send(DATA_PRINTER_TEMP_PRESET, &printer);
+}
+
 static void keyboard_callback(lv_event_t * e){
     lv_event_code_t code = lv_event_get_code(e);
     lv_obj_t * ta = lv_event_get_target(e);
@@ -33,17 +78,43 @@ static void keyboard_callback(lv_event_t * e){
             return;
         }
 
-        Serial.printf("%d %s %d\n", hotend_or_bed, text, temp);
         char gcode[64];
         const char* space = "%20";
         
-        if (hotend_or_bed){
+        switch (keyboard_target){
-            sprintf(gcode, "M140%sS%d", space, temp);
+            case TARGET_HOTEND:
-        } else {
                 sprintf(gcode, "M104%sS%d", space, temp);
-        }
-
                 send_gcode(true, gcode);
+                break;
+            case TARGET_BED:
+                sprintf(gcode, "M140%sS%d", space, temp);
+                send_gcode(true, gcode);
+                break;
+            case TARGET_HOTEND_CONFIG_1:
+                global_config.hotend_presets[0] = temp;
+                UpdateConfig();
+                break;
+            case TARGET_HOTEND_CONFIG_2:
+                global_config.hotend_presets[1] = temp;
+                UpdateConfig();
+                break;
+            case TARGET_HOTEND_CONFIG_3:
+                global_config.hotend_presets[2] = temp;
+                UpdateConfig();
+                break;
+            case TARGET_BED_CONFIG_1:
+                global_config.bed_presets[0] = temp;
+                UpdateConfig();
+                break;
+            case TARGET_BED_CONFIG_2:
+                global_config.bed_presets[1] = temp;
+                UpdateConfig();
+                break;
+            case TARGET_BED_CONFIG_3:
+                global_config.bed_presets[2] = temp;
+                UpdateConfig();
+                break;
+        }
     }
 
     if(code == LV_EVENT_DEFOCUSED || code == LV_EVENT_CANCEL || code == LV_EVENT_READY) {
@@ -54,14 +125,14 @@ static void keyboard_callback(lv_event_t * e){
 }
 
 static void show_keyboard(lv_event_t * e){
-    lv_obj_t * panel = (lv_obj_t *)lv_event_get_user_data(e);
+    lv_obj_t * keyboard = lv_keyboard_create(root_panel);
-    lv_obj_t * keyboard = lv_keyboard_create(panel);
+    lv_obj_t * ta = lv_textarea_create(root_panel);
-    lv_obj_t * ta = lv_textarea_create(panel);
+    lv_obj_set_size(ta, TFT_HEIGHT - 40, 120);
-    lv_obj_set_size(ta, 100, 30);
+    lv_obj_align(ta, LV_ALIGN_TOP_MID, 0, 0);
-    lv_obj_align(ta, LV_ALIGN_TOP_MID, 0, 40);
     lv_textarea_set_max_length(ta, 3);
-    lv_textarea_set_one_line(ta, true);
+    //lv_textarea_set_one_line(ta, true);
     lv_textarea_set_text(ta, "");
+    lv_textarea_set_align(ta, LV_TEXT_ALIGN_CENTER);
     lv_obj_add_event_cb(ta, keyboard_callback, LV_EVENT_ALL, keyboard);
 
     lv_keyboard_set_mode(keyboard, LV_KEYBOARD_MODE_NUMBER);
@@ -69,12 +140,12 @@ static void show_keyboard(lv_event_t * e){
 }
 
 static void show_keyboard_with_hotend(lv_event_t * e){
-    hotend_or_bed = false;
+    keyboard_target = TARGET_HOTEND;
     show_keyboard(e);
 }
 
 static void show_keyboard_with_bed(lv_event_t * e){
-    hotend_or_bed = true;
+    keyboard_target = TARGET_BED;
     show_keyboard(e);
 }
 
@@ -96,6 +167,32 @@ static void btn_extrude(lv_event_t * e){
     send_gcode(true, "G1%20E25%20F300");
 }
 
+static void set_temp_via_preset(lv_event_t * e){
+    int target = static_cast<int>(reinterpret_cast<intptr_t>(lv_event_get_user_data(e)));
+    int value = get_temp_preset(target);
+
+    if (edit_mode) {
+        keyboard_target = (temp_target)target;
+        show_keyboard(e);
+        return;
+    }
+
+    char gcode[64];
+    const char* space = "%20";
+    if (target <= TARGET_HOTEND_CONFIG_3)
+        sprintf(gcode, "M104%sS%d", space, value);
+    else 
+        sprintf(gcode, "M140%sS%d", space, value);
+    
+    send_gcode(true, gcode);
+}
+
+static void btn_toggleable_edit(lv_event_t * e){
+    lv_obj_t * btn = lv_event_get_target(e);
+    auto state = lv_obj_get_state(btn);
+    edit_mode = (state & LV_STATE_CHECKED == LV_STATE_CHECKED);
+}
+
 static void btn_retract(lv_event_t * e){
     if (printer.state == PRINTER_STATE_PRINTING){
         return;
@@ -106,47 +203,91 @@ static void btn_retract(lv_event_t * e){
 }
 
 void temp_panel_init(lv_obj_t* panel){
+    root_panel = panel;
+    edit_mode = false;
+    const int btn_row_y_one = 30;
+    const int btn_row_y_two = 100;
     auto panel_width = TFT_HEIGHT - 40;
     lv_obj_t * label = lv_label_create(panel);
-    lv_label_set_text(label, "Hotend");
+    lv_label_set_text(label, "???");
     lv_obj_align(label, LV_ALIGN_TOP_LEFT, 10, 10);
     lv_obj_add_event_cb(label, update_printer_data_hotend_temp, LV_EVENT_MSG_RECEIVED, NULL);
     lv_msg_subscribe_obj(DATA_PRINTER_DATA, label, NULL);
 
     label = lv_label_create(panel);
-    lv_label_set_text(label, "Bed");
+    lv_label_set_text(label, "???");
-    lv_obj_align(label, LV_ALIGN_TOP_LEFT, 10, 50);
+    lv_obj_align(label, LV_ALIGN_TOP_LEFT, 10, 80);
     lv_obj_add_event_cb(label, update_printer_data_bed_temp, LV_EVENT_MSG_RECEIVED, NULL);
     lv_msg_subscribe_obj(DATA_PRINTER_DATA, label, NULL);
 
     lv_obj_t * btn = lv_btn_create(panel);
-    lv_obj_align(btn, LV_ALIGN_TOP_RIGHT, -10, 10);
+    lv_obj_align(btn, LV_ALIGN_TOP_RIGHT, -10, btn_row_y_one);
     lv_obj_add_event_cb(btn, show_keyboard_with_hotend, LV_EVENT_CLICKED, panel);
+    lv_obj_set_width(btn, panel_width / 4 - 10);
 
     label = lv_label_create(btn);
     lv_label_set_text(label, "Set");
     lv_obj_center(label);
 
     btn = lv_btn_create(panel);
-    lv_obj_align(btn, LV_ALIGN_TOP_RIGHT, -10, 50);
+    lv_obj_align(btn, LV_ALIGN_TOP_RIGHT, -10, btn_row_y_two);
     lv_obj_add_event_cb(btn, show_keyboard_with_bed, LV_EVENT_CLICKED, panel);
+    lv_obj_set_width(btn, panel_width / 4 - 10);
 
     label = lv_label_create(btn);
     lv_label_set_text(label, "Set");
     lv_obj_center(label);
 
+    // Presets
+    for (int i = 0; i < 3; i++){
+        int x_pos = 10 + (panel_width / 4) * i - (3 * i);
+
         btn = lv_btn_create(panel);
-    lv_obj_align(btn, LV_ALIGN_TOP_MID, 0, 90);
+        lv_obj_align(btn, LV_ALIGN_TOP_LEFT, x_pos, btn_row_y_one);
+        lv_obj_add_event_cb(btn, set_temp_via_preset, LV_EVENT_CLICKED, reinterpret_cast<void*>(TARGET_HOTEND_CONFIG_1 + i));
+        lv_obj_set_width(btn, panel_width / 4 - 10);
+
+        label = lv_label_create(btn);
+        lv_label_set_text(label, "???");
+        lv_obj_center(label);
+        lv_obj_add_event_cb(label, update_temp_preset_label, LV_EVENT_MSG_RECEIVED, reinterpret_cast<void*>(TARGET_HOTEND_CONFIG_1 + i));
+        lv_msg_subscribe_obj(DATA_PRINTER_TEMP_PRESET, label, NULL);
+
+        btn = lv_btn_create(panel);
+        lv_obj_align(btn, LV_ALIGN_TOP_LEFT, x_pos, btn_row_y_two);
+        lv_obj_add_event_cb(btn, set_temp_via_preset, LV_EVENT_CLICKED, reinterpret_cast<void*>(TARGET_BED_CONFIG_1 + i));
+        lv_obj_set_width(btn, panel_width / 4 - 10);
+
+        label = lv_label_create(btn);
+        lv_label_set_text(label, "???");
+        lv_obj_center(label);
+        lv_obj_add_event_cb(label, update_temp_preset_label, LV_EVENT_MSG_RECEIVED, reinterpret_cast<void*>(TARGET_BED_CONFIG_1 + i));
+        lv_msg_subscribe_obj(DATA_PRINTER_TEMP_PRESET, label, NULL);
+    }
+
+    btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_BOTTOM_LEFT, 10, -50);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 40);
     lv_obj_add_event_cb(btn, cooldown_temp, LV_EVENT_CLICKED, panel);
 
     label = lv_label_create(btn);
     lv_label_set_text(label, "Cooldown");
     lv_obj_center(label);
 
+    btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_BOTTOM_RIGHT, -10, -50);
+    lv_obj_add_event_cb(btn, btn_toggleable_edit, LV_EVENT_CLICKED, NULL);
+    lv_obj_add_flag(btn, LV_OBJ_FLAG_CHECKABLE);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 40);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, "Edit Presets");
+    lv_obj_center(label);
+
     btn = lv_btn_create(panel);
     lv_obj_align(btn, LV_ALIGN_BOTTOM_LEFT, 10, -5);
     lv_obj_add_event_cb(btn, btn_extrude, LV_EVENT_CLICKED, NULL);
-    lv_obj_set_size(btn, panel_width / 2 - 15, 30);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 40);
 
     label = lv_label_create(btn);
     lv_label_set_text(label, LV_SYMBOL_DOWN " Extrude");
@@ -155,11 +296,12 @@ void temp_panel_init(lv_obj_t* panel){
     btn = lv_btn_create(panel);
     lv_obj_align(btn, LV_ALIGN_BOTTOM_RIGHT, -10, -5);
     lv_obj_add_event_cb(btn, btn_retract, LV_EVENT_CLICKED, NULL);
-    lv_obj_set_size(btn, panel_width / 2 - 15, 30);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 40);
 
     label = lv_label_create(btn);
     lv_label_set_text(label, LV_SYMBOL_UP " Retract");
     lv_obj_center(label);
 
     lv_msg_send(DATA_PRINTER_DATA, &printer);
+    lv_msg_send(DATA_PRINTER_TEMP_PRESET, &printer);
 }

CYD-Klipper/src/ui/wifi_setup.cpp

@@ -77,12 +77,11 @@ static void wifi_btn_event_handler(lv_event_t * e){
 
 void wifi_init_inner(){
     WiFi.disconnect();
+    lv_obj_clean(lv_scr_act());
 
     if (global_config.wifiConfigured){
         WiFi.begin(global_config.wifiSSID, global_config.wifiPassword);
         
-        lv_obj_clean(lv_scr_act());
-
         lv_obj_t * label = lv_label_create(lv_scr_act());
         lv_label_set_text(label, "Connecting to WiFi");
         lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
@@ -98,8 +97,6 @@ void wifi_init_inner(){
         return;
     } 
 
-    lv_obj_clean(lv_scr_act());
-
     lv_obj_t * label = lv_label_create(lv_scr_act());
     lv_label_set_text(label, "Scanning for networks...");
     lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
@@ -108,8 +105,6 @@ void wifi_init_inner(){
     lv_task_handler();
     lv_refr_now(NULL);
 
-    int n = WiFi.scanNetworks();
-
     lv_obj_clean(lv_scr_act());
 
     lv_obj_t * refreshBtn = lv_btn_create(lv_scr_act());
@@ -128,25 +123,50 @@ void wifi_init_inner(){
     lv_obj_align(list, LV_ALIGN_TOP_LEFT, 10, 40);
     lv_obj_set_size(list, TFT_HEIGHT - 20, TFT_WIDTH - 40 - 5);
 
-    for (int i = 0; i < n; ++i) {
+    int n = WiFi.scanNetworks();
-        const char* ssid = WiFi.SSID(i).c_str();
-        int len = strlen(ssid);
 
-        if (len == 0)
+    for (int i = 0; i < n; ++i) {
+        String ssid = WiFi.SSID(i);
+        char* ssid_copy = (char*)malloc(ssid.length() + 1);
+        int j = 0;
+
+        for (; j < ssid.length(); ++j){
+            if (ssid[j] == '\0')
                 continue;
 
-        const char* ssid_copy = (const char*)malloc(len + 1);
+            ssid_copy[j] = ssid[j];
-        strcpy((char*)ssid_copy, ssid);
+        }
+
+        ssid_copy[j] = '\0';
+
         lv_obj_t * btn = lv_list_add_btn(list, LV_SYMBOL_WIFI, ssid_copy);
         lv_obj_add_event_cb(btn, wifi_btn_event_handler, LV_EVENT_ALL, (void*)ssid_copy);
     }
 }
 
+const char* errs[] = {
+    "Idle",
+    "No SSID Available",
+    "Scan Completed",
+    "Connected",
+    "Connection Failed",
+    "Connection Lost",
+    "Disconnected"
+};
+
+const int print_freq = 1000;
+int print_timer = 0;
+
 void wifi_init(){
     WiFi.mode(WIFI_STA);
     wifi_init_inner();
 
     while (!global_config.wifiConfigured || WiFi.status() != WL_CONNECTED){
+        if (millis() - print_timer > print_freq){
+            print_timer = millis();
+            Serial.printf("WiFi Status: %s\n", errs[WiFi.status()]);
+        }
+        
         lv_timer_handler();
         lv_task_handler();
     }

README.md

@@ -2,7 +2,7 @@
 [![Donations](https://img.shields.io/badge/Support%20on-Ko--Fi-red)](https://ko-fi.com/suchmememanyskill)
 
 # CYD-Klipper
-An implementation of a Klipper status display on an ESP32 + screen. Uses Moonraker to fetch data.
+An implementation of a wireless Klipper status display on an ESP32 + screen. Uses Moonraker to fetch data.
 
 A simple and cheap solution to use a dedicated screen with Klipper, a 3d printing Firmware.
 
@@ -19,6 +19,7 @@ A ESP32-2432S028R is required to run this project. You can find out where to buy
 - Move the printer
 - Manage temperature
 - Extrude/Retract filament
+- Execute predefined gcode macros
 
 ### Install