1  const std = @import("std");
 2  const microzig = @import("microzig");
 3  const semihosting = microzig.core.arm_semihosting;
 4  
 5  pub fn main() void {
 6      const path = "";
 7      const file_name = path ++ "foo.txt";
 8      const new_name = path ++ "bar.txt";
 9      var some_buf: [80]u8 = undefined;
10  
11      // Debug features
12      semihosting.Debug.print("Hello World\n", .{});
13  
14      const args = semihosting.Debug.get_cmd_args(&some_buf) catch return;
15      semihosting.Debug.print("receive args: {s}\n", .{args});
16  
17      semihosting.Debug.print("feature support: STDOUT FILE: {any}, EXIT CODE {any}\n", .{
18          semihosting.Debug.check_extensions(0, 1),
19          semihosting.Debug.check_extensions(0, 0),
20      });
21  
22      const stdout = semihosting.Debug.stdout() catch return;
23      stdout.print("hello STDOUT!!!!\n", .{});
24  
25      // Time features
26      const clock = semihosting.Time.absolute();
27      const host_time = semihosting.Time.system_time();
28  
29      // fs features
30      const file = semihosting.fs.open(file_name, .@"W+") catch {
31          semihosting.Debug.print("fail to open {s}!", .{file_name});
32          return;
33      };
34  
35      file.print("[{any}:{d}] | Hello File {s} id {d}", .{
36          clock,
37          host_time,
38          file_name,
39          @intFromEnum(file),
40      });
41  
42      const f_size = file.size() catch return;
43  
44      semihosting.Debug.print("now file has size {d}\n", .{f_size});
45      file.close() catch {
46          semihosting.Debug.print("fail to close {s}!", .{file_name});
47          return;
48      };
49  
50      semihosting.fs.rename(file_name, new_name) catch {
51          semihosting.Debug.print("fail to rename {s} to {s}", .{ file_name, new_name });
52      };
53  
54      semihosting.Debug.exit(0);
55  
56      while (true) {}
57  }