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procedure parse_wire(w_str : in String; w : in out Wire.Vector) is
start : Natural := w_str'First;
finish : Natural;
delimiters : constant Ada.Strings.Maps.Character_Set := Ada.Strings.Maps.to_set(Sequence => ",");
begin
w.clear;
while start <= w_str'Last loop
Ada.Strings.Fixed.find_token(Source => w_str(start .. w_str'Last),
Set => delimiters,
Test => Ada.Strings.outside,
First => start, Last => finish);
if not(finish = 0 and then start = w_str'First) then
w.append((dir => to_dir(w_str(start)), distance => Integer'Value(w_str(start+1 .. finish))));
end if;
start := finish + 1;
end loop;
end parse_wire;
procedure step(pos : in out Position; dir : in Direction) is
begin
case dir is
when Up => pos := (x => pos.x, y => pos.y - 1, dist => pos.dist + 1);
when Down => pos := (x => pos.x, y => pos.y + 1, dist => pos.dist + 1);
when Left => pos := (x => pos.x - 1, y => pos.y, dist => pos.dist + 1);
when Right => pos := (x => pos.x + 1, y => pos.y, dist => pos.dist + 1);
end case;
end step;
procedure expand(pos : in out Position; segment : in Wire_Segment; points : in out Wire_Points.Set) is
begin
for i in 1 .. segment.distance loop
step(pos => pos, dir => segment.dir);
points.include(pos);
end loop;
end expand;
procedure expand_segments(w : in Wire.Vector; points : in out Wire_Points.Set) is
start_pos : constant Position := (x => 0, y => 0, dist => 0);
curr_pos : Position := start_pos;
begin
points.clear;
for segment of w loop
expand(pos => curr_pos, segment => segment, points => points);
end loop;
end expand_segments;
procedure load(w1 : in String; w2 : in String) is
begin
parse_wire(w1, wire_1);
expand_segments(wire_1, wire_points_1);
parse_wire(w2, wire_2);
expand_segments(wire_2, wire_points_2);
end load;
procedure load_file(path : String) is
file : TIO.File_Type;
begin
TIO.open(File => file, Mode => TIO.In_File, Name => path);
declare
str1 : constant String := TIO.get_line(file);
str2 : constant String := TIO.get_line(file);
begin
load(w1 => str1, w2 => str2);
Function Definition: procedure Ping is
Function Body: use type Interfaces.Unsigned_32;
use type Net.Ip_Addr;
use type Net.DHCP.State_Type;
use type Ada.Real_Time.Time;
use type Ada.Real_Time.Time_Span;
procedure Refresh;
procedure Header;
procedure Refresh is
Y : Natural := 90;
Hosts : constant Pinger.Ping_Info_Array := Pinger.Get_Hosts;
begin
for I in Hosts'Range loop
Demos.Put (0, Y, Net.Utils.To_String (Hosts (I).Ip));
Demos.Put (250, Y, Net.Uint64 (Hosts (I).Seq));
Demos.Put (350, Y, Net.Uint64 (Hosts (I).Received));
Y := Y + 16;
end loop;
Demos.Refresh_Ifnet_Stats;
STM32.Board.Display.Update_Layer (1);
end Refresh;
procedure Header is
begin
Demos.Put (0, 70, "Host");
Demos.Put (326, 70, "Send");
Demos.Put (402, 70, "Receive");
end Header;
procedure Initialize is new Demos.Initialize (Header);
-- The ping period.
PING_PERIOD : constant Ada.Real_Time.Time_Span := Ada.Real_Time.Milliseconds (1000);