Implement settings, temp control, extrude/retract, untested status display

CYD-Klipper-Display/platformio.ini

@@ -23,7 +23,6 @@ build_flags =
 	-DLV_CONF_PATH="../../../../src/conf/lv_conf.h"
 	-DUSER_SETUP_LOADED=1
 	-DILI9341_2_DRIVER=1
-	-DTFT_INVERSION_ON=1
 	-DTFT_WIDTH=240
 	-DTFT_HEIGHT=320
 	-DTFT_BL=21

CYD-Klipper-Display/src/conf/global_config.cpp

@@ -1,8 +1,19 @@
 #include <Preferences.h>
 #include "global_config.h"
+#include "lvgl.h"
 
 GLOBAL_CONFIG global_config = {0};
 
+COLOR_DEF color_defs[] = {
+    {LV_PALETTE_BLUE, LV_PALETTE_RED},
+    {LV_PALETTE_GREEN, LV_PALETTE_PURPLE},
+    {LV_PALETTE_GREY, LV_PALETTE_CYAN},
+    {LV_PALETTE_YELLOW, LV_PALETTE_PINK},
+    {LV_PALETTE_ORANGE, LV_PALETTE_BLUE},
+    {LV_PALETTE_RED, LV_PALETTE_GREEN},
+    {LV_PALETTE_PURPLE, LV_PALETTE_GREY},
+};
+
 void WriteGlobalConfig() {
     Preferences preferences;
     preferences.begin("global_config", false);

CYD-Klipper-Display/src/conf/global_config.h

@@ -1,6 +1,8 @@
 #ifndef _GLOBAL_CONFIG_INIT
 #define _GLOBAL_CONFIG_INIT
 
+#include "lvgl.h"
+
 #define CONFIG_VERSION 80
 
 typedef struct _GLOBAL_CONFIG {
@@ -11,6 +13,8 @@ typedef struct _GLOBAL_CONFIG {
             bool screenCalibrated : 1;
             bool wifiConfigured : 1;
             bool ipConfigured : 1;
+            bool lightMode : 1;
+            bool invertColors : 1;
         };
     };
     float screenCalXOffset;
@@ -23,9 +27,17 @@ typedef struct _GLOBAL_CONFIG {
 
     char klipperHost[64];
     unsigned short klipperPort;
+    
+    unsigned char color_scheme;
 } GLOBAL_CONFIG;
     
+typedef struct _COLOR_DEF {
+    lv_palette_t primary_color;
+    lv_palette_t secondary_color;
+} COLOR_DEF;
+
 extern GLOBAL_CONFIG global_config;
+extern COLOR_DEF color_defs[];
 
 void WriteGlobalConfig();
 void VerifyVersion();

CYD-Klipper-Display/src/core/data_setup.cpp

@@ -31,6 +31,7 @@ void send_gcode(bool wait, const char* gcode){
     }
 }
 
+// TODO: Merge with other request, see https://moonraker.readthedocs.io/en/latest/printer_objects/#webhooks
 void fetch_printer_state(){
     char buff[91] = {};
     sprintf(buff, "http://%s:%d/printer/info", global_config.klipperHost, global_config.klipperPort);
@@ -74,15 +75,17 @@ void fetch_printer_state(){
     }
 }
 
+char filename_buff[512] = {0};
+
 void fetch_printer_data(){
     char buff[256] = {};
-    sprintf(buff, "http://%s:%d/printer/objects/query?extruder&heater_bed&toolhead&gcode_move", global_config.klipperHost, global_config.klipperPort);
+    sprintf(buff, "http://%s:%d/printer/objects/query?extruder&heater_bed&toolhead&gcode_move&virtual_sdcard&print_stats", global_config.klipperHost, global_config.klipperPort);
     HTTPClient client;
     client.begin(buff);
     int httpCode = client.GET();
     if (httpCode == 200) {
         String payload = client.getString();
-        DynamicJsonDocument doc(2048);
+        DynamicJsonDocument doc(4096);
         deserializeJson(doc, payload);
         auto status = doc["result"]["status"];
         if (status.containsKey("extruder")){
@@ -110,7 +113,45 @@ void fetch_printer_data(){
             printer.absolute_coords = absolute_coords == true;
         }
 
+        if (status.containsKey("virtual_sdcard")){
+            printer.print_progress = status["virtual_sdcard"]["progress"];
+        }
+
+        int printer_state = printer.state;
+
+        if (status.containsKey("print_stats")){
+            const char* filename = status["print_stats"]["filename"];
+            strcpy(filename_buff, filename);
+            printer.print_filename = filename_buff;
+            printer.elapsed_time_s = status["print_stats"]["print_duration"];
+            printer.filament_used_mm = status["print_stats"]["filament_used"];
+
+            const char* state = status["print_stats"]["state"];
+
+            if (strcmp(state, "printing") == 0){
+                printer_state = PRINTER_STATE_PRINTING;
+            }
+            else if (strcmp(state, "paused") == 0){
+                printer_state = PRINTER_STATE_PAUSED;
+            }
+            else if (strcmp(state, "complete") == 0 || strcmp(state, "cancelled") == 0 || strcmp(state, "standby") == 0){
+                printer_state = PRINTER_STATE_IDLE;
+            }
+        }
+
+        // TODO: make a call to /server/files/metadata to get more accurate time estimates
+        // https://moonraker.readthedocs.io/en/latest/web_api/#server-administration
+
+        if (printer.state == PRINTER_STATE_PRINTING && printer.print_progress > 0){
+            printer.remaining_time_s = (printer.elapsed_time_s / printer.print_progress) - printer.elapsed_time_s;
+        }
+
         lv_msg_send(DATA_PRINTER_DATA, &printer);
+
+        if (printer.state != printer_state){
+            printer.state = printer_state;
+            lv_msg_send(DATA_PRINTER_STATE, &printer);
+        }
     }
     else {
         Serial.printf("Failed to fetch printer data: %d\n", httpCode);
@@ -132,6 +173,7 @@ void data_loop(){
 }
 
 void data_setup(){
+    printer.print_filename = filename_buff;
     fetch_printer_state();
     fetch_printer_data();
 }

CYD-Klipper-Display/src/core/data_setup.h

@@ -4,11 +4,12 @@ enum {
     PRINTER_STATE_ERROR = 0,
     PRINTER_STATE_IDLE = 1,
     PRINTER_STATE_PRINTING = 2,
+    PRINTER_STATE_PAUSED = 3,
 };
 
 extern const char* printer_state_messages[];
 
-typedef struct Printer {
+typedef struct _Printer {
     unsigned char state;
     char* state_message;
     float extruder_temp;
@@ -19,7 +20,12 @@ typedef struct Printer {
     unsigned char can_extrude;
     unsigned char homed_axis;
     unsigned char absolute_coords;
-} _Printer;
+    float elapsed_time_s;
+    float remaining_time_s;
+    float filament_used_mm;
+    char* print_filename; // 0 -> 1
+    float print_progress;
+} Printer;
 
 extern Printer printer;
 

CYD-Klipper-Display/src/core/screen_driver.cpp

@@ -158,6 +158,16 @@ void screen_lv_touchRead(lv_indev_drv_t *indev_driver, lv_indev_data_t *data)
     }
 }
 
+void set_color_scheme(){
+    lv_disp_t *dispp = lv_disp_get_default();
+    lv_theme_t *theme = lv_theme_default_init(dispp, lv_palette_main(color_defs[global_config.color_scheme].primary_color), lv_palette_main(color_defs[global_config.color_scheme].secondary_color), !global_config.lightMode, LV_FONT_DEFAULT);
+    lv_disp_set_theme(dispp, theme);
+}
+
+void set_invert_display(){
+    tft.invertDisplay(global_config.invertColors);
+}
+
 void screen_setup()
 {
     touchscreen_spi.begin(XPT2046_CLK, XPT2046_MISO, XPT2046_MOSI, XPT2046_CS);
@@ -169,6 +179,7 @@ void screen_setup()
     tft.init();
     tft.setRotation(1);
     tft.fillScreen(TFT_BLACK);
+    set_invert_display();
 
     touchscreen_spi.begin(XPT2046_CLK, XPT2046_MISO, XPT2046_MOSI, XPT2046_CS);
     touchscreen.begin(touchscreen_spi);
@@ -199,8 +210,5 @@ void screen_setup()
 
     /*Initialize the graphics library */
     LV_EVENT_GET_COMP_CHILD = lv_event_register_id();
-
+    set_color_scheme();
-    lv_disp_t *dispp = lv_disp_get_default();
-    lv_theme_t *theme = lv_theme_default_init(dispp, lv_palette_main(LV_PALETTE_BLUE), lv_palette_main(LV_PALETTE_RED), true, LV_FONT_DEFAULT);
-    lv_disp_set_theme(dispp, theme);
 }

CYD-Klipper-Display/src/core/screen_driver.h

@@ -5,6 +5,7 @@
 #define _SCREEN_DRIVER_INIT
 
 #include <XPT2046_Touchscreen.h>
+#include <TFT_eSPI.h>
 
 #define XPT2046_IRQ 36
 #define XPT2046_MOSI 32
@@ -19,6 +20,10 @@ void screen_timer_setup();
 void screen_timer_start();
 void screen_timer_stop();
 void screen_timer_period(uint32_t period);
+void set_color_scheme();
 void screen_setup();
+void set_invert_display();
+
+extern TFT_eSPI tft;
 
 #endif // _SCREEN_DRIVER_INIT

CYD-Klipper-Display/src/main.cpp

@@ -17,7 +17,6 @@ static void event_handler(lv_event_t * e){
     }
 }
 
-
 void setup() {
     Serial.begin(115200);
     Serial.println("Hello World");

CYD-Klipper-Display/src/ui/main_ui.cpp

@@ -98,7 +98,7 @@ static void on_state_change(void * s, lv_msg_t * m){
         error_ui();
     }
     else {
-        nav_buttons_setup(1);
+        nav_buttons_setup(0);
     }
 }
 

CYD-Klipper-Display/src/ui/nav_buttons.cpp

@@ -8,6 +8,7 @@ static lv_style_t nav_button_style;
 
 static char temp_buffer[10];
 static char z_pos_buffer[10];
+static char time_buffer[10];
 
 static lv_style_t nav_button_text_style;
 
@@ -25,6 +26,39 @@ static void update_printer_data_temp(lv_event_t * e) {
     lv_label_set_text(label, temp_buffer);
 }
 
+static void update_printer_data_time(lv_event_t * e){
+    lv_obj_t * label = lv_event_get_target(e);
+
+    if (printer.state == PRINTER_STATE_IDLE){
+        lv_label_set_text(label, "Idle");
+        return;
+    }
+
+    if (printer.state == PRINTER_STATE_PAUSED){
+        lv_label_set_text(label, "Paused");
+        return;
+    }
+
+    unsigned long time = printer.remaining_time_s;
+    unsigned long hours = time / 3600;
+    unsigned long minutes = (time % 3600) / 60;
+    unsigned long seconds = (time % 3600) % 60;
+
+    if (hours > 99){
+        lv_label_set_text(label, ">99h");
+        return;
+    }
+
+    if (hours >= 1){
+        sprintf(time_buffer, "%02luh%02lum", hours, minutes);
+    } else {
+        sprintf(time_buffer, "%02lum%02lus", minutes, seconds);
+    }
+
+    lv_label_set_text(label, time_buffer);
+
+}
+
 static void btn_click_files(lv_event_t * e){
     nav_buttons_setup(0);
 }
@@ -66,6 +100,8 @@ void nav_buttons_setup(unsigned char active_panel){
     lv_label_set_text(label, "Idle");
     lv_obj_align(label, LV_ALIGN_CENTER, 0, icon_text_spacing);
     lv_obj_add_style(label, &nav_button_text_style, 0);
+    lv_obj_add_event_cb(label, update_printer_data_time, LV_EVENT_MSG_RECEIVED, NULL);
+    lv_msg_subsribe_obj(DATA_PRINTER_STATE, label, NULL);
 
     // Move
     btn = lv_btn_create(lv_scr_act());

CYD-Klipper-Display/src/ui/panels/move_panel.cpp

@@ -18,7 +18,7 @@ static void move_printer(const char* axis, float amount) {
 
     const char * space = "%20";
 
-    sprintf(gcode, "G1%s%s%s%.1f", space, axis, extra, amount);
+    sprintf(gcode, "G1%s%s%s%.1f%sF6000", space, axis, extra, amount, space);
     send_gcode(true, gcode);
 
     if (absolute_coords) {

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

@@ -4,3 +4,4 @@ void settings_panel_init(lv_obj_t* panel);
 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);

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

@@ -1,6 +1,10 @@
 #include "lvgl.h"
 #include "panel.h"
+#include "../../core/data_setup.h"
 
 void print_panel_init(lv_obj_t* panel){
-    
+    if (printer.state == PRINTER_STATE_PRINTING || printer.state == PRINTER_STATE_PAUSED || true){
+        progress_panel_init(panel);
+        return;
+    }
 }

CYD-Klipper-Display/src/ui/panels/progress_panel.cpp

@@ -0,0 +1,120 @@
+#include "panel.h"
+#include "../../core/data_setup.h"
+#include <stdio.h>
+
+char time_buffer[12];
+
+char* time_display(unsigned long time){
+    unsigned long hours = time / 3600;
+    unsigned long minutes = (time % 3600) / 60;
+    unsigned long seconds = (time % 3600) % 60;
+    sprintf(time_buffer, "%02lu:%02lu:%02lu", hours, minutes, seconds);
+    return time_buffer;
+}
+
+static void progress_bar_update(lv_event_t* e){
+    lv_obj_t * bar = lv_event_get_target(e);
+    lv_bar_set_value(bar, printer.print_progress * 100, LV_ANIM_ON);
+}
+
+static void update_printer_data_elapsed_time(lv_event_t * e){
+    lv_obj_t * label = lv_event_get_target(e);
+    lv_label_set_text(label, time_display(printer.elapsed_time_s));
+}
+
+static void update_printer_data_remaining_time(lv_event_t * e){
+    lv_obj_t * label = lv_event_get_target(e);
+    lv_label_set_text(label, time_display(printer.remaining_time_s));
+}
+
+static void update_printer_data_percentage(lv_event_t * e){
+    lv_obj_t * label = lv_event_get_target(e);
+    char percentage_buffer[12];
+    sprintf(percentage_buffer, "%.2f%%", printer.print_progress * 100);
+    lv_label_set_text(label, percentage_buffer);
+}
+
+static void btn_click_stop(lv_event_t * e){
+    // TODO: Implement
+}
+
+static void btn_click_pause(lv_event_t * e){
+    // TODO: Implement
+}
+
+static void btn_click_resume(lv_event_t * e){
+    // TODO: Implement
+}
+
+void progress_panel_init(lv_obj_t* panel){
+    auto panel_width = TFT_HEIGHT - 40;
+    auto panel_width_margin = panel_width - 30;
+
+    // Filename
+    lv_obj_t * label = lv_label_create(panel);
+    lv_label_set_text(label, printer.print_filename);
+    lv_obj_align(label, LV_ALIGN_CENTER, 0, -40);
+    lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
+    lv_obj_set_width(label, panel_width_margin);
+    
+    // Progress Bar
+    lv_obj_t * bar = lv_bar_create(panel);
+    lv_obj_align(bar, LV_ALIGN_CENTER, 0, 0);
+    lv_obj_set_size(bar, panel_width_margin, 20);
+    lv_obj_add_event_cb(bar, progress_bar_update, LV_EVENT_MSG_RECEIVED, NULL);
+    lv_msg_subsribe_obj(DATA_PRINTER_DATA, bar, NULL);
+
+    // Elapsed Time
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "???");
+    lv_obj_align(label, LV_ALIGN_LEFT_MID, 10, 20);
+    lv_obj_add_event_cb(label, update_printer_data_elapsed_time, LV_EVENT_MSG_RECEIVED, NULL);
+    lv_msg_subsribe_obj(DATA_PRINTER_DATA, label, NULL);
+
+    // Remaining Time
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "???");
+    lv_obj_align(label, LV_ALIGN_RIGHT_MID, -10, 20);
+    lv_obj_add_event_cb(label, update_printer_data_remaining_time, LV_EVENT_MSG_RECEIVED, NULL);
+    lv_msg_subsribe_obj(DATA_PRINTER_DATA, label, NULL);
+
+    // Percentage
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "???");
+    lv_obj_align(label, LV_ALIGN_CENTER, 0, 20);
+    lv_obj_add_event_cb(label, update_printer_data_percentage, LV_EVENT_MSG_RECEIVED, NULL);
+    lv_msg_subsribe_obj(DATA_PRINTER_DATA, label, NULL);
+
+    // Stop Button
+    lv_obj_t * btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_BOTTOM_RIGHT, -10, -10);
+    lv_obj_set_size(btn, 40, 40);
+    lv_obj_add_event_cb(btn, btn_click_stop, LV_EVENT_CLICKED, NULL);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, LV_SYMBOL_STOP);
+    lv_obj_center(label);
+
+    // Resume Button
+    if (printer.state == PRINTER_STATE_PAUSED){
+        btn = lv_btn_create(panel);
+        lv_obj_align(btn, LV_ALIGN_BOTTOM_RIGHT, -60, -10);
+        lv_obj_set_size(btn, 40, 40);
+        lv_obj_add_event_cb(btn, btn_click_resume, LV_EVENT_CLICKED, NULL);
+
+        label = lv_label_create(btn);
+        lv_label_set_text(label, LV_SYMBOL_PLAY);
+        lv_obj_center(label);
+    }
+    // Pause Button
+    else {
+        btn = lv_btn_create(panel);
+        lv_obj_align(btn, LV_ALIGN_BOTTOM_RIGHT, -60, -10);
+        lv_obj_set_size(btn, 40, 40);
+        lv_obj_add_event_cb(btn, btn_click_pause, LV_EVENT_CLICKED, NULL);
+
+        label = lv_label_create(btn);
+        lv_label_set_text(label, LV_SYMBOL_PAUSE);
+        lv_obj_center(label);
+    }
+}

CYD-Klipper-Display/src/ui/panels/settings_panel.cpp

@@ -1,6 +1,99 @@
 #include "lvgl.h"
 #include "panel.h"
+#include "../../core/screen_driver.h"
+#include "../../conf/global_config.h"
+
+static void invert_color_switch(lv_event_t * e){
+    auto state = lv_obj_get_state(lv_event_get_target(e));
+    bool checked = (state & LV_STATE_CHECKED == LV_STATE_CHECKED);
+    global_config.invertColors = checked;
+    WriteGlobalConfig();
+    set_invert_display();
+}
+
+static void reset_calibration_click(lv_event_t * e){
+    global_config.screenCalibrated = false;
+    WriteGlobalConfig();
+    ESP.restart();
+}
+
+static void reset_wifi_click(lv_event_t * e){
+    global_config.wifiConfigured = false;
+    global_config.ipConfigured = false;
+    WriteGlobalConfig();
+    ESP.restart();
+}
+
+static void light_mode_switch(lv_event_t * e){
+    auto state = lv_obj_get_state(lv_event_get_target(e));
+    bool checked = (state & LV_STATE_CHECKED == LV_STATE_CHECKED);
+    global_config.lightMode = checked;
+    WriteGlobalConfig();
+    set_color_scheme();
+}
+
+static void theme_dropdown(lv_event_t * e){
+    lv_obj_t * dropdown = lv_event_get_target(e);
+    auto selected = lv_dropdown_get_selected(dropdown);
+    global_config.color_scheme = selected;
+    WriteGlobalConfig();
+    set_color_scheme();
+}
 
 void settings_panel_init(lv_obj_t* panel){
+    auto panel_width = TFT_HEIGHT - 40;
 
+    lv_obj_t * btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_TOP_LEFT, 10, 5);
+    lv_obj_add_event_cb(btn, reset_wifi_click, LV_EVENT_CLICKED, NULL);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 30);
+
+    lv_obj_t * label = lv_label_create(btn);
+    lv_label_set_text(label, "WiFi Setup");
+    lv_obj_center(label);
+
+    btn = lv_btn_create(panel);
+    lv_obj_align(btn, LV_ALIGN_TOP_RIGHT, -10, 5);
+    lv_obj_add_event_cb(btn, reset_calibration_click, LV_EVENT_CLICKED, NULL);
+    lv_obj_set_size(btn, panel_width / 2 - 15, 30);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, "Touch Cal");
+    lv_obj_center(label);
+
+
+    lv_obj_t * toggle = lv_switch_create(panel);
+    lv_obj_align(toggle, LV_ALIGN_TOP_RIGHT, -14, 57);
+    lv_obj_add_event_cb(toggle, invert_color_switch, LV_EVENT_VALUE_CHANGED, NULL);
+
+    if (global_config.invertColors)
+        lv_obj_add_state(toggle, LV_STATE_CHECKED);
+
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "Invert Colors");
+    lv_obj_align(label, LV_ALIGN_TOP_RIGHT, -10, 40);
+    lv_obj_set_style_text_font(label, &lv_font_montserrat_10, 0);
+
+    toggle = lv_switch_create(panel);
+    lv_obj_align(toggle, LV_ALIGN_TOP_LEFT, 13, 57);
+    lv_obj_add_event_cb(toggle, light_mode_switch, LV_EVENT_VALUE_CHANGED, NULL);
+
+    if (global_config.lightMode)
+        lv_obj_add_state(toggle, LV_STATE_CHECKED);
+
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "Light Mode");
+    lv_obj_align(label, LV_ALIGN_TOP_LEFT, 10, 40);
+    lv_obj_set_style_text_font(label, &lv_font_montserrat_10, 0);
+
+    lv_obj_t * dropdown = lv_dropdown_create(panel);
+    lv_dropdown_set_options(dropdown, "Blue\nGreen\nGrey\nYellow\nOrange\nRed\nPurple");
+    lv_dropdown_set_selected(dropdown, global_config.color_scheme);
+    lv_obj_align(dropdown, LV_ALIGN_TOP_MID, 0, 55);
+    lv_obj_add_event_cb(dropdown, theme_dropdown, LV_EVENT_VALUE_CHANGED, NULL);
+
+    label = lv_label_create(panel);
+    lv_label_set_text(label, "Theme");
+    lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 40);
+    lv_obj_set_style_text_font(label, &lv_font_montserrat_10, 0);
 }

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

@@ -1,6 +1,151 @@
 #include "lvgl.h"
 #include "panel.h"
+#include "../../core/data_setup.h"
+#include <HardwareSerial.h>
+
+// False: Hotend, True: Bed
+static bool hotend_or_bed = true;
+static char hotend_buff[40];
+static char bed_buff[40];
+
+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);
+    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);
+    lv_label_set_text(label, bed_buff);
+}
+
+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);
+    lv_obj_t * kb = (lv_obj_t *)lv_event_get_user_data(e);
+
+    if (code == LV_EVENT_READY) {
+        const char * text = lv_textarea_get_text(ta);
+
+        int temp = atoi(text);
+        if (temp < 0 || temp > 500){
+            return;
+        }
+
+        Serial.printf("%d %s %d\n", hotend_or_bed, text, temp);
+        char gcode[64];
+        const char* space = "%20";
+
+        if (hotend_or_bed){
+            sprintf(gcode, "M140%sS%d", space, temp);
+        } else {
+            sprintf(gcode, "M104%sS%d", space, temp);
+        }
+
+        send_gcode(true, gcode);
+    }
+
+    if(code == LV_EVENT_DEFOCUSED || code == LV_EVENT_CANCEL || code == LV_EVENT_READY) {
+        lv_keyboard_set_textarea(kb, NULL);
+        lv_obj_del(kb);
+        lv_obj_del(ta);
+    }
+}
+
+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(panel);
+    lv_obj_t * ta = lv_textarea_create(panel);
+    lv_obj_set_size(ta, 100, 30);
+    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_text(ta, "");
+    lv_obj_add_event_cb(ta, keyboard_callback, LV_EVENT_ALL, keyboard);
+
+    lv_keyboard_set_mode(keyboard, LV_KEYBOARD_MODE_NUMBER);
+    lv_keyboard_set_textarea(keyboard, ta);
+}
+
+static void show_keyboard_with_hotend(lv_event_t * e){
+    hotend_or_bed = false;
+    show_keyboard(e);
+}
+
+static void show_keyboard_with_bed(lv_event_t * e){
+    hotend_or_bed = true;
+    show_keyboard(e);
+}
+
+static void cooldown_temp(lv_event_t * e){
+    send_gcode(true, "M104%20S0");
+    send_gcode(true, "M140%20S0");
+}
+
+static void btn_extrude(lv_event_t * e){
+    send_gcode(true, "M83");
+    send_gcode(true, "G1%20E25%20F300");
+}
+
+static void btn_retract(lv_event_t * e){
+    send_gcode(true, "M83");
+    send_gcode(true, "G1%20E-25%20F300");
+}
 
 void temp_panel_init(lv_obj_t* panel){
+    auto panel_width = TFT_HEIGHT - 40;
+    lv_obj_t * label = lv_label_create(panel);
+    lv_label_set_text(label, "Hotend");
+    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_obj_align(label, LV_ALIGN_TOP_LEFT, 10, 50);
+    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_add_event_cb(btn, show_keyboard_with_hotend, LV_EVENT_CLICKED, panel);
+
+    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_add_event_cb(btn, show_keyboard_with_bed, LV_EVENT_CLICKED, panel);
+
+    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_MID, 0, 90);
+    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_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);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, LV_SYMBOL_DOWN " Extrude");
+    lv_obj_center(label);
+
+    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);
+
+    label = lv_label_create(btn);
+    lv_label_set_text(label, LV_SYMBOL_UP " Retract");
+    lv_obj_center(label);
 }