C: check-root-user.c

code/C/.clang-format

@@ -0,0 +1,5 @@
+Language: Cpp
+BasedOnStyle: LLVM
+IndentWidth: 2
+ColumnLimit: 132
+SortIncludes: Never

code/C/System/check-root-user.c

@@ -0,0 +1,18 @@
+/**
+ * https://man.openbsd.org/getuid
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+
+void main(int argc, char const *argv[]) {
+  uid_t user = getuid();
+  uid_t privs = geteuid();
+  printf("User: %u\n", user);
+  printf("Privs: %u\n", privs);
+
+  puts("::");
+
+  char *login = getlogin();
+  printf("%s\n", login);
+}

code/C/Web/ulfius-server/server.h

@@ -3,10 +3,8 @@ atomic_bool running = true;
 #define PORT 8000
 #define PREFIX "/api"
 
-int callback_default(const struct _u_request *request,
-                     struct _u_response *response, void *user_data);
-int callback_all_test_foo(const struct _u_request *request,
-                          struct _u_response *response, void *user_data);
+int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data);
+int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data);
 
 void *thread_server(void *vargp) {
   int ret;
@@ -18,10 +16,8 @@ void *thread_server(void *vargp) {
 
   instance.max_post_body_size = 1024;
 
-  ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0,
-                             &callback_all_test_foo, "user data 1");
-  ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0,
-                             &callback_all_test_foo, "user data 2");
+  ulfius_add_endpoint_by_val(&instance, "GET", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 1");
+  ulfius_add_endpoint_by_val(&instance, "POST", PREFIX, "/param/:name", 0, &callback_all_test_foo, "user data 2");
 
   ulfius_set_default_endpoint(&instance, &callback_default, NULL);
 
@@ -41,18 +37,15 @@ void *thread_server(void *vargp) {
   ulfius_clean_instance(&instance);
 }
 
-int callback_default(const struct _u_request *request,
-                     struct _u_response *response, void *user_data) {
+int callback_default(const struct _u_request *request, struct _u_response *response, void *user_data) {
   (void)(request);
   (void)(user_data);
-  ulfius_set_string_body_response(response, 404,
-                                  "Page not found, do what you want");
+  ulfius_set_string_body_response(response, 404, "Page not found, do what you want");
 
   return U_CALLBACK_CONTINUE;
 }
 
-int callback_all_test_foo(const struct _u_request *request,
-                          struct _u_response *response, void *user_data) {
+int callback_all_test_foo(const struct _u_request *request, struct _u_response *response, void *user_data) {
   // url_params = request->map_url
   // post_params = request->map_post_body
 

code/C/Web/webui/call_c_from_js.c

@@ -2,128 +2,125 @@
 
 #include "webui.h"
 
-void my_function_string(webui_event_t* e) {
+void my_function_string(webui_event_t *e) {
 
-    // JavaScript:
-    // webui_fn('MyID_One', 'Hello');
+  // JavaScript:
+  // webui_fn('MyID_One', 'Hello');
 
-    const char* str = webui_get_string(e);
-    printf("my_function_string: %s\n", str); // Hello
+  const char *str = webui_get_string(e);
+  printf("my_function_string: %s\n", str); // Hello
 
-    // Need Multiple Arguments?
-    //
-    // WebUI support only one argument. To get multiple arguments
-    // you can send a JSON string from JavaScript then decode it.
-    // Example:
-    //
-    // my_json = my_json_decoder(str);
-    // foo = my_json[0];
-    // bar = my_json[1];
+  // Need Multiple Arguments?
+  //
+  // WebUI support only one argument. To get multiple arguments
+  // you can send a JSON string from JavaScript then decode it.
+  // Example:
+  //
+  // my_json = my_json_decoder(str);
+  // foo = my_json[0];
+  // bar = my_json[1];
 }
 
-void my_function_integer(webui_event_t* e) {
+void my_function_integer(webui_event_t *e) {
 
-    // JavaScript:
-    // webui_fn('MyID_Two', 123456789);
+  // JavaScript:
+  // webui_fn('MyID_Two', 123456789);
 
-    long long number = webui_get_int(e);
-    printf("my_function_integer: %lld\n", number); // 123456789
+  long long number = webui_get_int(e);
+  printf("my_function_integer: %lld\n", number); // 123456789
 }
 
-void my_function_boolean(webui_event_t* e) {
+void my_function_boolean(webui_event_t *e) {
 
-    // JavaScript:
-    // webui_fn('MyID_Three', true);
+  // JavaScript:
+  // webui_fn('MyID_Three', true);
 
-    bool status = webui_get_bool(e); // True
-    if(status)
-        printf("my_function_boolean: True\n");
-    else
-        printf("my_function_boolean: False\n");
+  bool status = webui_get_bool(e); // True
+  if (status)
+    printf("my_function_boolean: True\n");
+  else
+    printf("my_function_boolean: False\n");
 }
 
-void my_function_with_response(webui_event_t* e) {
+void my_function_with_response(webui_event_t *e) {
 
-    // JavaScript:
-    // const result = webui_fn('MyID_Four', number);
+  // JavaScript:
+  // const result = webui_fn('MyID_Four', number);
 
-    long long number = webui_get_int(e);
-    number = number * 2;
-    printf("my_function_with_response: %lld\n", number);
+  long long number = webui_get_int(e);
+  number = number * 2;
+  printf("my_function_with_response: %lld\n", number);
 
-    // Send back the response to JavaScript
-    webui_return_int(e, number);
+  // Send back the response to JavaScript
+  webui_return_int(e, number);
 }
 
 int main() {
 
-    // HTML
-    const char* my_html =
-    "<html>"
-    "  <head>"
-    "    <title>Call C from JavaScript Example</title>"
-    "    <style>"
-    "      body {"
-    "        color: white;"
-    "        background: #0F2027;"
-    "        text-align: center;"
-    "        font-size: 16px;"
-    "        font-family: sans-serif;"
-    "      }"
-    "    </style>"
-    "  </head>"
-    "  <body>"
-    "    <h2>WebUI - Call C from JavaScript Example</h2>"
-    "    <p>Call C function with argument (<em>See the logs in your terminal</em>)</p>"
-    "    <br>"
-    "    <button onclick=\"webui_fn('MyID_One', 'Hello');\">Call my_function_string()</button>"
-    "    <br>"
-    "    <br>"
-    "    <button onclick=\"webui_fn('MyID_Two', 123456789);\">Call my_function_integer()</button>"
-    "    <br>"
-    "    <br>"
-    "    <button onclick=\"webui_fn('MyID_Three', true);\">Call my_function_boolean()</button>"
-    "    <br>"
-    "    <br>"
-    "    <p>Call C function and wait for the response</p>"
-    "    <br>"
-    "    <button onclick=\"MyJS();\">Call my_function_with_response()</button>"
-    "    <br>"
-    "    <br>"
-    "    <input type=\"text\" id=\"MyInputID\" value=\"2\">"
-    "    <script>"
-    "      function MyJS() {"
-    "        const MyInput = document.getElementById('MyInputID');"
-    "        const number = MyInput.value;"
-    "        webui_fn('MyID_Four', number).then((response) => {"
-    "            MyInput.value = response;"
-    "        });"
-    "      }"
-    "    </script>"
-    "    <script src=\"/webui.js\"></script>"
-    "  </body>"
-    "</html>";
+  // HTML
+  const char *my_html = "<html>"
+                        "  <head>"
+                        "    <title>Call C from JavaScript Example</title>"
+                        "    <style>"
+                        "      body {"
+                        "        color: white;"
+                        "        background: #0F2027;"
+                        "        text-align: center;"
+                        "        font-size: 16px;"
+                        "        font-family: sans-serif;"
+                        "      }"
+                        "    </style>"
+                        "  </head>"
+                        "  <body>"
+                        "    <h2>WebUI - Call C from JavaScript Example</h2>"
+                        "    <p>Call C function with argument (<em>See the logs in your terminal</em>)</p>"
+                        "    <br>"
+                        "    <button onclick=\"webui_fn('MyID_One', 'Hello');\">Call my_function_string()</button>"
+                        "    <br>"
+                        "    <br>"
+                        "    <button onclick=\"webui_fn('MyID_Two', 123456789);\">Call my_function_integer()</button>"
+                        "    <br>"
+                        "    <br>"
+                        "    <button onclick=\"webui_fn('MyID_Three', true);\">Call my_function_boolean()</button>"
+                        "    <br>"
+                        "    <br>"
+                        "    <p>Call C function and wait for the response</p>"
+                        "    <br>"
+                        "    <button onclick=\"MyJS();\">Call my_function_with_response()</button>"
+                        "    <br>"
+                        "    <br>"
+                        "    <input type=\"text\" id=\"MyInputID\" value=\"2\">"
+                        "    <script>"
+                        "      function MyJS() {"
+                        "        const MyInput = document.getElementById('MyInputID');"
+                        "        const number = MyInput.value;"
+                        "        webui_fn('MyID_Four', number).then((response) => {"
+                        "            MyInput.value = response;"
+                        "        });"
+                        "      }"
+                        "    </script>"
+                        "    <script src=\"/webui.js\"></script>"
+                        "  </body>"
+                        "</html>";
 
-    // Create a window
-    size_t my_window = webui_new_window();
+  // Create a window
+  size_t my_window = webui_new_window();
 
-    // Bind HTML elements with C functions
-    webui_bind(my_window, "MyID_One", my_function_string);
-    webui_bind(my_window, "MyID_Two", my_function_integer);
-    webui_bind(my_window, "MyID_Three", my_function_boolean);
-    webui_bind(my_window, "MyID_Four", my_function_with_response);
+  // Bind HTML elements with C functions
+  webui_bind(my_window, "MyID_One", my_function_string);
+  webui_bind(my_window, "MyID_Two", my_function_integer);
+  webui_bind(my_window, "MyID_Three", my_function_boolean);
+  webui_bind(my_window, "MyID_Four", my_function_with_response);
 
-    // Show the window
-    webui_show(my_window, my_html); // webui_show_browser(my_window, my_html, Chrome);
+  // Show the window
+  webui_show(my_window, my_html); // webui_show_browser(my_window, my_html, Chrome);
 
-    // Wait until all windows get closed
-    webui_wait();
+  // Wait until all windows get closed
+  webui_wait();
 
-    return 0;
+  return 0;
 }
 
 #if defined(_MSC_VER)
-    int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) {
-        return main();
-    }
+int APIENTRY WinMain(HINSTANCE hInst, HINSTANCE hInstPrev, PSTR cmdline, int cmdshow) { return main(); }
 #endif

code/MicroPython/.gitignore

@@ -0,0 +1,2 @@
+microdot/
+utemplate/

code/MicroPython/README.md

@@ -0,0 +1,37 @@
+#
+
+## 
+
+```shell
+# ...
+esptool.py --port /dev/ttyACM0 erase_flash
+# ...
+esptool.py --chip esp32s2 --port /dev/ttyACM0 write_flash -z 0x1000 ~/Downloads/LOLIN_S2_MINI-20240222-v1.22.2.bin
+```
+
+```shell
+pip3 install rshell   #
+pip3 install mpremote #
+```
+
+### Выполнение кода
+
+```shell
+rshell --port /dev/ttyACM0 cat blink.py
+```
+
+```python
+import machine
+import time
+
+led = machine.Pin(15, machine.Pin.OUT)
+
+led.on()
+time.sleep(1)
+led.off()
+time.sleep(1)
+```
+
+```shell
+mpremote exec 'exec(open("blink.py").read())'
+```

code/MicroPython/blink.py

@@ -0,0 +1,9 @@
+import machine
+import time
+
+led = machine.Pin(15, machine.Pin.OUT)
+
+led.on()
+time.sleep(1)
+led.off()
+time.sleep(1)

code/MicroPython/boot.py

@@ -0,0 +1,4 @@
+"""
+Скрипт, который выполняется при старте EPS32.
+После него выполняется скрипт `main.py`.
+"""

code/MicroPython/ftp.py

@@ -0,0 +1,163 @@
+import socket
+import network
+import os
+import _thread
+
+DATA_PORT = 13333
+
+ftpsocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+datasocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+ftpsocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+datasocket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+
+ftpsocket.bind(socket.getaddrinfo("0.0.0.0", 21)[0][4])
+datasocket.bind(socket.getaddrinfo("0.0.0.0", DATA_PORT)[0][4])
+
+ftpsocket.listen(1)
+datasocket.listen(1)
+datasocket.settimeout(10)
+
+dataclient = None
+
+
+def send_list_data(cwd, dataclient):
+    for file in os.listdir(cwd):
+        stat = os.stat(get_absolute_path(cwd, file))
+        file_permissions = "drwxr-xr-x" if (stat[0] & 0o170000 == 0o040000) else "-rw-r--r--"
+        file_size = stat[6]
+        description = "{}    1 owner group {:>13} Jan 1  1980 {}\r\n".format(
+            file_permissions, file_size, file
+        )
+        dataclient.sendall(description)
+
+
+def send_file_data(path, dataclient):
+    with open(path) as file:
+        chunk = file.read(128)
+        while len(chunk) > 0:
+            dataclient.sendall(chunk)
+            chunk = file.read(128)
+
+
+def save_file_data(path, dataclient):
+    with open(path, "w") as file:
+        chunk = dataclient.read(128)
+        while len(chunk) > 0:
+            file.write(chunk)
+            chunk = dataclient.read(128)
+
+
+def get_absolute_path(cwd, payload):
+    # if it doesn't start with / consider
+    # it a relative path
+    if not payload.startswith("/"):
+        payload = cwd + "/" + payload
+    # and don't leave any trailing /
+    return payload.rstrip("/")
+
+
+def ftp():
+    try:
+        dataclient = None
+        while True:
+            cwd = "/"
+            cl, remote_addr = ftpsocket.accept()
+            cl.settimeout(300)
+            try:
+                print("FTP connection from:", remote_addr)
+                cl.sendall("220 Hello, this is the ESP8266.\r\n")
+                while True:
+                    data = cl.readline().decode("utf-8").replace("\r\n", "")
+                    if len(data) <= 0:
+                        print("Client is dead")
+                        break
+
+                    command, payload = (data.split(" ") + [""])[:2]
+                    command = command.upper()
+
+                    print("Command={}, Payload={}".format(command, payload))
+
+                    if command == "USER":
+                        cl.sendall("230 Logged in.\r\n")
+                    elif command == "SYST":
+                        cl.sendall("215 ESP8266 MicroPython\r\n")
+                    elif command == "SYST":
+                        cl.sendall("502\r\n")
+                    elif command == "PWD":
+                        cl.sendall('257 "{}"\r\n'.format(cwd))
+                    elif command == "CWD":
+                        path = get_absolute_path(cwd, payload)
+                        try:
+                            files = os.listdir(path)
+                            cwd = path
+                            cl.sendall('250 Directory changed successfully\r\n')
+                        except:
+                            cl.sendall('550 Failed to change directory\r\n')
+                    elif command == "EPSV":
+                        cl.sendall('502\r\n')
+                    elif command == "TYPE":
+                        # probably should switch between binary and not
+                        cl.sendall('200 Transfer mode set\r\n')
+                    elif command == "SIZE":
+                        path = get_absolute_path(cwd, payload)
+                        try:
+                            size = os.stat(path)[6]
+                            cl.sendall('213 {}\r\n'.format(size))
+                        except:
+                            cl.sendall('550 Could not get file size\r\n')
+                    elif command == "QUIT":
+                        cl.sendall('221 Bye.\r\n')
+                    elif command == "PASV":
+                        addr = network.WLAN().ifconfig()[0]
+                        cl.sendall(
+                            '227 Entering Passive Mode ({},{},{}).\r\n'.format(
+                                addr.replace('.', ','), DATA_PORT >> 8, DATA_PORT % 256
+                            )
+                        )
+                        dataclient, data_addr = datasocket.accept()
+                        print("FTP Data connection from:", data_addr)
+                    elif command == "LIST":
+                        try:
+                            send_list_data(cwd, dataclient)
+                            dataclient.close()
+                            cl.sendall("150 Here comes the directory listing.\r\n")
+                            cl.sendall("226 Listed.\r\n")
+                        except:
+                            cl.sendall('550 Failed to list directory\r\n')
+                        finally:
+                            dataclient.close()
+                    elif command == "RETR":
+                        try:
+                            send_file_data(get_absolute_path(cwd, payload), dataclient)
+                            dataclient.close()
+                            cl.sendall("150 Opening data connection.\r\n")
+                            cl.sendall("226 Transfer complete.\r\n")
+                        except:
+                            cl.sendall('550 Failed to send file\r\n')
+                        finally:
+                            dataclient.close()
+                    elif command == "STOR":
+                        try:
+                            cl.sendall("150 Ok to send data.\r\n")
+                            save_file_data(get_absolute_path(cwd, payload), dataclient)
+                            dataclient.close()
+                            cl.sendall("226 Transfer complete.\r\n")
+                        except:
+                            cl.sendall('550 Failed to send file\r\n')
+                        finally:
+                            dataclient.close()
+                    else:
+                        cl.sendall("502 Unsupported command.\r\n")
+                        print("Unsupported command {} with payload {}".format(command, payload))
+
+            finally:
+                cl.close()
+    finally:
+        datasocket.close()
+        ftpsocket.close()
+        if dataclient is not None:
+            dataclient.close()
+
+
+_thread.start_new_thread(ftp, ())

code/MicroPython/get_mac.py

@@ -0,0 +1,13 @@
+"""
+Скрипт, который возвращает MAC адрес
+
+https://git.a2s.su/iiiypuk/snipplets.dev/src/branch/master/code/MicroPython
+Update: May 14 2024
+"""
+
+import network
+import ubinascii
+
+mac = ubinascii.hexlify(network.WLAN().config('mac'), ':').decode()
+
+print(mac)

code/MicroPython/http.py

@@ -0,0 +1,79 @@
+import machine
+import time
+import gc
+
+from microdot import Microdot, send_file, Request, Response
+
+from microdot.utemplate import Template
+
+led = machine.Pin(15, machine.Pin.OUT)
+
+app = Microdot()
+Response.default_content_type = 'text/html'
+Request.max_content_length = 1024 * 1024
+
+
+def cmd_parse(method, args):
+    if method == 'GET':
+        if 'cmd' in args:
+            cmd = args['cmd']
+
+            if 'reboot' == cmd:
+                for x in range(2):
+                    led.on()
+                    time.sleep_ms(200)
+                    led.off()
+                    time.sleep_ms(200)
+
+                machine.reset()
+
+            if 'ftp' == cmd:
+                exec(open('ftp.py').read())
+
+
+@app.route('/static/<path:path>')
+async def static(request, path):
+    if '..' in path:
+        # directory traversal is not allowed
+        return 'Not found', 404
+    return send_file('static/' + path)
+
+
+@app.get('/file')
+async def file(request):
+    return send_file('templates/upload.html')
+
+
+@app.post('/upload')
+async def upload(request):
+    filename = request.headers['Content-Disposition'].split('filename=')[1].strip('"')
+    size = int(request.headers['Content-Length'])
+
+    filename = filename.replace('/', '_')
+
+    with open('/' + filename, 'wb') as f:
+        while size > 0:
+            chunk = await request.stream.read(min(size, 1024))
+            f.write(chunk)
+            size -= len(chunk)
+
+    print('Successfully saved file: ' + filename)
+    return ''
+
+
+@app.route('/')
+async def index(request):
+    # print(request.args, request.path, request.method, sep='\n')
+    # print(request.url, request.query_string, request.url_args, sep='\n')
+    print(request.args)
+
+    cmd_parse(request.method, request.args)
+
+    ram_f = gc.mem_free()
+    ram_a = gc.mem_alloc()
+    ram_t = ram_a + ram_f
+    return Template('index.html').render(ram_free=int(ram_f / 1024), ram_total=int(ram_t / 1024))
+
+
+print('HTTP server started')
+app.run(port=80)

code/MicroPython/main.py

@@ -0,0 +1,17 @@
+"""
+Скрипт, который выполняется при старте EPS32.
+После выполнения скрипта `boot.py`.
+"""
+
+import time
+import network_ap
+import network_sta
+
+# Connecting to Wifi
+wifi_connect = network_sta.connect('Keenetic-8647', 'sFJZi7U51')
+if wifi_connect == False:
+    wifi_connect = network_ap.connect(essid='SkyNet', clients=2)
+
+# If WiFi connected run HTTP server
+if wifi_connect == True:
+    exec(open('http.py').read())

code/MicroPython/network_ap.py

@@ -0,0 +1,21 @@
+import time
+import network
+
+
+def connect(essid='ESP', clients=3) -> bool:
+    print('Starting AP: {0}...'.format(essid))
+    ap = network.WLAN(network.AP_IF)
+    ap.active(True)
+    ap.config(essid=essid)
+    ap.config(max_clients=clients)
+
+    time.sleep(3)
+
+    if ap.isconnected():
+        print('AP "{0}" started'.format(essid))
+
+        return True
+    else:
+        print('Starting AP failed!')
+
+        return False

code/MicroPython/network_sta.py

@@ -0,0 +1,38 @@
+import time
+import network
+
+
+def connect(ssid: str, password: str) -> bool:
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+    wlan.config(reconnects=2)
+
+    if not wlan.isconnected():
+        print('Scanning networks...')
+        wlan.scan()
+        print('Connecting to {0}...'.format(ssid))
+        # try:
+        wlan.connect(ssid, password)
+
+        while not wlan.isconnected():
+            status = wlan.status()
+            if status in (network.STAT_IDLE, network.STAT_WRONG_PASSWORD, network.STAT_NO_AP_FOUND):
+                print('\nConnection to "{0}" failed!'.format(ssid))
+                wlan.active(False)
+
+                return False
+
+            print('.', end='')
+            time.sleep(0.1)
+
+        print('\nConnection success!')
+        ifconfig = wlan.ifconfig()
+        print('IP: {0}'.format(ifconfig[0]))
+
+        return True
+    else:
+        print('Already connected!')
+        ifconfig = wlan.ifconfig()
+        print('IP: {0}'.format(ifconfig[0]))
+
+        return True

code/MicroPython/pyproject.toml

@@ -0,0 +1,3 @@
+[tool.black]
+skip-string-normalization = true
+line-length = 100

code/MicroPython/read_write_file.py

@@ -0,0 +1,13 @@
+import os
+
+print('Listing filesystem...')
+print(os.listdir(), '\n')
+
+print('Write data...')
+with open('data.txt', 'w') as f:
+    count = f.write('ololo\n')
+    print('Write', count, 'bytes')
+
+print('Read data...')
+with open('data.txt', 'r') as f:
+    print('Data:', f.read())

code/MicroPython/static/styles.css

@@ -0,0 +1,3 @@
+body {
+  background-color: #ccc;
+}

code/MicroPython/templates/index.html

@@ -0,0 +1,18 @@
+{% args ram_free, ram_total %}
+<!doctype html>
+<html>
+  <head>
+    <title>S2F Terminal</title>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width,initial-scale=1">
+    <link href="/static/styles.css" rel="stylesheet">
+  </head>
+  <body>
+    <h1>by Alexander Popov</h1>
+    <p>Free RAM: {{ ram_free }} of {{ ram_total }}</p>
+    <div>
+      <a href="/?cmd=ftp">Поднять FTP сервер</a><br>
+      <a href="/?cmd=reboot">Перезапустить</a><br>
+    </div>
+  </body>
+</html>

code/MicroPython/templates/index_html.py

@@ -0,0 +1,23 @@
+# Autogenerated file
+def render(ram_free, ram_total):
+    yield """<!doctype html>
+<html>
+  <head>
+    <title>S2F Terminal</title>
+    <meta charset=\"utf-8\">
+    <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">
+    <link href=\"/static/styles.css\" rel=\"stylesheet\">
+  </head>
+  <body>
+    <h1>by Alexander Popov</h1>
+    <p>Free RAM: """
+    yield str(ram_free)
+    yield """ of """
+    yield str(ram_total)
+    yield """</p>
+    <div>
+      <a href=\"/?cmd=ftp\">Поднять FTP сервер</a><br>
+      <a href=\"/?cmd=reboot\">Перезапустить</a><br>
+    </div>
+  </body>
+</html>"""

code/MicroPython/templates/upload.html

@@ -0,0 +1,35 @@
+<!doctype html>
+<html>
+  <head>
+    <title>Microdot Upload Example</title>
+    <meta charset="UTF-8">
+  </head>
+  <body>
+    <h1>Microdot Upload Example</h1>
+    <form id="form">
+      <input type="file" id="file" name="file" />
+      <input type="submit" value="Upload" />
+    </form>
+    <script>
+      async function upload(ev) {
+        ev.preventDefault();
+        const file = document.getElementById('file').files[0];
+        if (!file) {
+          return;
+        }
+        await fetch('/upload', {
+          method: 'POST',
+          body: file,
+          headers: {
+            'Content-Type': 'application/octet-stream',
+            'Content-Disposition': `attachment; filename="${file.name}"`,
+          },
+        }).then(res => {
+          console.log('Upload accepted');
+          window.location.href = '/';
+        });
+      }
+      document.getElementById('form').addEventListener('submit', upload);
+    </script>
+  </body>
+</html>

code/V/example_window/README.md

@@ -1,4 +0,0 @@
-* draw rect
-* draw text
-* draw image
-* key event

projects/V/Game/.gitignore

@@ -0,0 +1 @@
+Game

projects/V/Game/README.md

@@ -0,0 +1,82 @@
+* draw rect
+* draw text
+* draw image
+* key event
+
+## Build
+
+### Linux
+
+`...`
+
+### Android
+
+**Подготовка Android окружения**.
+
+Необходимо выполнить следующие шаги:
+
+1. Установка модуля `vab` для **V**
+2. Установка **Android NDK**
+3. Установка **android-tools**
+4. Получение идентификатора устройства для деплоя
+
+**Установка модуля `vab` для V**
+
+```sh
+v install vab
+# Installed `vab` in ~/.vmodules/vab .
+vab install "platforms;android-33" # Silent output... wait!
+```
+
+**Получение идентификатора устройства**
+
+```sh
+adb devices -l
+```
+
+https://developer.android.com/ndk
+https://dl.google.com/android/repository/android-ndk-r26d-linux.zip
+https://dl.google.com/android/repository/sdk-tools-linux-4333796.zip
+
+Сборка `debug` пакета.
+
+```sh
+ANDROID_NDK_ROOT="/home/user/.android/android-ndk-r26d"
+VAB_FLAGS="-v 3 --name 'V App' --api 33 --build-tools 29.0.0" ~/.vmodules/vab/vab .
+
+~/.vmodules/vab/vab --device ca4fcde6 run /home/user/Develop/snipplets.dev/projects/V/Game/v_app.apk
+```
+
+Сборка `release` пакета:
+
+```sh
+# Генерация sign.keystore
+
+keytool -genkey -v -keystore sign.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
+```
+
+```sh
+KEYSTORE_PASSWORD="Mix9BEAH" \
+KEYSTORE_ALIAS_PASSWORD="Mix9BEAH" \
+VAB_FLAGS="-v 3 --name 'V App' --api 33 --build-tools 29.0.0" \
+~/.vmodules/vab/vab -prod --name "V App" --package-id "me.a2s.example" --icon ./assets/vlang.png --version-code 1 \
+    --keystore ./sign.keystore --keystore-alias "alias_name" .
+```
+
+### HTML (WASM)
+
+Guide: https://github.com/vlang/v/tree/master/examples/2048#compiling-to-wasm
+
+## OTHER
+
+```sh
+VCROSS_COMPILER_NAME=/home/user/.android/android-ndk-r26d/toolchains/llvm/prebuilt/linux-x86_64/bin/clang-17 /home/user/.local/bin/vlang/v -os android .
+
+VCROSS_COMPILER_NAME=/home/user/.android/android-ndk-r26d/toolchains/llvm/prebuilt/linux-x86_64/bin/clang-17 /home/user/.local/bin/vlang/v -os android -nocache -cc clang .
+
+ANDROID_SDK_ROOT="/home/user/.android/sdk/cmdline-tools/33" ANDROID_NDK_ROOT="/home/user/.android/android-ndk-r26d" ANDROID_PACKAGE_NAME="test app" ANDROID_PACKAGE_ID="me.a2s.example" VAB_FLAGS="-v 3 --name $ANDROID_PACKAGE_NAME --package-id $ANDROID_PACKAGE_ID --api 33 --build-tools 26.0.2" /home/user/.vmodules/vab/vab .
+
+VCROSS_COMPILER_NAME=/home/user/.android/android-ndk-r26d/toolchains/llvm/prebuilt/linux-x86_64/bin/clang-17 /home/user/.local/bin/vlang/v -os android -nocache -cc clang -DSOKOL_GLES3 -dump-modules "/tmp/vab/v/v.modules" -dump-c-flags "/tmp/vab/v/v.cflags" .
+
+VCROSS_COMPILER_NAME=/home/user/.android/android-ndk-r26d/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android33-clang /home/user/.local/bin/vlang/v -os android android.v
+```

projects/V/Game/android.v

@@ -0,0 +1,3 @@
+fn main() {
+	print('Loading... ')
+}

projects/V/Game/assets/monogram-extended.ttf

@@ -0,0 +1 @@
+../../../../assets/monogram-extended.ttf

projects/V/Game/assets/tiled_bg.png

@@ -0,0 +1 @@
+../../../../assets/tiled_bg.png

projects/V/Game/assets/vlang.png

@@ -0,0 +1 @@
+../../../../assets/languages/vlang.png

projects/V/Game/build.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Обновление PATH
+PATH="~/.local/bin/vlang:~/.vmodules/vab:$PATH"
+
+# Настройки Android
+export ANDROID_SDK_ROOT="/home/user/.android/sdk/cmdline-tools/33"
+export ANDROID_NDK_ROOT="/home/user/.android/android-ndk-r26d"
+ANDROID_DEVICE_ID="ca4fcde6"
+ANDROID_PACKAGE_NAME="test app"
+ANDROID_PACKAGE_ID="me.a2s.example"
+
+VAB_FLAGS_DEBUG="-v 3 --name $ANDROID_PACKAGE_NAME --package-id $ANDROID_PACKAGE_ID --api 33 --build-tools 29.0.0"
+VAB_FLAGS_RELEASE="-v 3 --name $ANDROID_PACKAGE_NAME --package-id $ANDROID_PACKAGE_ID --api 33 --build-tools 29.0.0 --icon ./assets/vlang.png --version-code 1 --keystore ./sign.keystore --keystore-alias \"alias_name\""
+
+debug() {
+    VAB_FLAGS=$VAB_FLAGS_DEBUG vab $(pwd)
+
+    # vab --device $ANDROID_DEVICE_ID run ./v_app.apk
+}
+
+release() {
+    echo "WIP"
+}
+
+test() {
+    VAB_FLAGS="-v 3 --name $ANDROID_PACKAGE_NAME --package-id $ANDROID_PACKAGE_ID --api 33 --build-tools 26.0.2" vab android.v
+}
+
+test

projects/V/Game/draw.v

@@ -12,7 +12,7 @@ fn (game &Game) draw() {
 		gx.white, 'right', 'top', true)
 
 	// draw image
-	game.gg.draw_image(0, game.gg.window_size().height - game.player.image.height, game.player.image.width,
+	game.gg.draw_image(game.player.pos_x, game.player.pos_y, game.player.image.width,
 		game.player.image.height, game.player.image)
 
 	game.gg.end()

projects/V/Game/game.v

@@ -3,10 +3,8 @@ import gg
 import gx
 import sokol.sapp
 
-const (
-	win_width  = 512
-	win_height = 512
-)
+const win_width = 768
+const win_height = 768
 
 struct Game {
 mut:
@@ -39,7 +37,7 @@ fn main() {
 	print('Loading... ')
 	mut game := &Game{}
 
-	mut font_path := os.resource_abs_path(os.join_path('..', '..', '.assets', 'monogram-extended.ttf'))
+	mut font_path := os.resource_abs_path(os.join_path('assets', 'monogram-extended.ttf'))
 
 	game.gg = gg.new_context(
 		bg_color: gx.hex(0x2A2A3AFF)
@@ -55,8 +53,8 @@ fn main() {
 	)
 
 	game.player = &Player{
-		pos_x: 10
-		pos_y: 10
+		pos_x: 50
+		pos_y: 50
 		lives: 3
 	}
 
@@ -65,10 +63,10 @@ fn main() {
 		pos_y: 0
 	}
 
-	game.bg_texture.image = game.gg.create_image(os.resource_abs_path(os.join_path('..',
-		'..', '.assets', 'fondo para itchio.png'))) or { panic(err) }
-	game.player.image = game.gg.create_image(os.resource_abs_path(os.join_path('..', '..',
-		'.assets', 'v-logo.png'))) or { panic(err) }
+	game.bg_texture.image = game.gg.create_image(os.resource_abs_path(os.join_path('assets',
+		'tiled_bg.png'))) or { panic(err) }
+	game.player.image = game.gg.create_image(os.resource_abs_path(os.join_path('assets',
+		'vlang.png'))) or { panic(err) }
 
 	println('OK!\n')
 	println('High DPI:    ${gg.high_dpi()}')

projects/V/Game/v.mod

@@ -0,0 +1,7 @@
+Module {
+	name: 'game',
+	description: '...',
+	version: '0.0.0',
+	repo_url: '...',
+	dependencies: []
+}