Enabling opening and running of programs. Added jogging.

machine.h

@@ -0,0 +1,81 @@
+#pragma once
+
+#include "grbl_communication.h"
+#include "grbl.h"
+
+namespace grbl {
+
+
+enum class grbl_machine_state {
+    init,
+    run_program,
+    idle,
+};
+
+enum class jog_direction {
+    up,
+    down,
+    left,
+    right,
+    up_left,
+    up_right,
+    down_left,
+    down_right
+};
+
+struct jog_state {
+    bool left_pressed = false;
+    bool right_pressed = false;
+    bool up_pressed = false;
+    bool down_pressed = false;
+    bool z_up_pressed = false;
+    bool z_down_pressed = false;
+    bool speed_fast_pressed = false;
+    bool speed_slow_pressed = false;
+
+    bool no_jogging() const;
+};
+
+static bool operator==(const jog_state& a, const jog_state& b) {
+    if (a.left_pressed != b.left_pressed ||
+        a.right_pressed != b.right_pressed ||
+        a.up_pressed != b.up_pressed ||
+        a.down_pressed != b.down_pressed ||
+        a.z_up_pressed != b.z_up_pressed ||
+        a.z_down_pressed != b.z_down_pressed ||
+        a.speed_fast_pressed != b.speed_fast_pressed ||
+        a.speed_slow_pressed != b.speed_slow_pressed) {
+        return false;
+    }
+    return true;
+}
+
+static bool operator!=(const jog_state& a, const jog_state& b) {
+    return !(a == b);
+}
+
+struct machine : public transport_callbacks {
+    machine();
+    ~machine();
+
+    void connect();
+    void run_program(grbl::program pgm);
+    void request_jog(jog_state jog) const;
+    void cancel_jog() const;
+
+    void on_connected(transport *transport) override;
+    void on_disconnected(transport *transport) override;
+    void on_line_received(std::string line, transport *transport) override;
+
+
+    void on_banner(std::string version, transport *transport) override;
+    transport *pipe = nullptr;
+    grbl_machine_state state = grbl_machine_state::init;
+    program running_program;
+    size_t executed_instructions = 0;
+    void continue_program();
+};
+
+
+}
+