From 2f94074d6d2f50fa86e54af1e9c5c34d3627c3ca Mon Sep 17 00:00:00 2001
From: 0x23 <diffraction.lim@gmail.com>
Date: Fri, 13 Mar 2026 15:29:27 +0100
Subject: [PATCH] added missing files

---
 .../src/demo_gcode_generator.cpp              | 151 ++++++++++++++++++
 .../src/demo_gcode_generator.h                |  41 +++++
 2 files changed, 192 insertions(+)
 create mode 100644 firmware/MotionControllerRP/src/demo_gcode_generator.cpp
 create mode 100644 firmware/MotionControllerRP/src/demo_gcode_generator.h

diff --git a/firmware/MotionControllerRP/src/demo_gcode_generator.cpp b/firmware/MotionControllerRP/src/demo_gcode_generator.cpp
new file mode 100644
index 0000000..74a2dda
--- /dev/null
+++ b/firmware/MotionControllerRP/src/demo_gcode_generator.cpp
@@ -0,0 +1,151 @@
+// --------------------------------------------------------------------------------------
+// Project: MicroManipulatorStepper
+// License: MIT (see LICENSE file for full description)
+//          All text in here must be included in any redistribution.
+// Author:  M. S. (diffraction limited)
+// --------------------------------------------------------------------------------------
+
+#include <string>
+#include "demo_gcode_generator.h"
+#include "robot.h"
+
+//*** FUCNTION **************************************************************************
+
+Vec3F rand_vec3d(float range) {
+  auto r = [](float s) {
+      return ((float)rand() / RAND_MAX) * 2*s - s;
+  };
+
+  return Vec3F(r(range), r(range), r(range));
+}
+
+//*** CLASS *****************************************************************************
+
+DemoGcodeGenerator::DemoGcodeGenerator(Robot* robot) {
+  DemoGcodeGenerator::cmd_counter = 0;
+  DemoGcodeGenerator::robot = robot;
+
+  wst = QuaternionF::from_axis_angle(Vec3F(-0.707106781f, 0.707106781f, 0.0f), 0.955316618);
+}
+
+void DemoGcodeGenerator::run() {
+  run_command("G28");
+  run_command("G0 X0 Y0 Z0 F100");
+  run_command("M204 L200");
+
+  while(true) {
+    move_to(0.5, 0, 0, 10); dwell(1000);
+
+    circle_motion(10, 0.5, 50);
+    // grid_motion(5, 5, 3, 2000, 150, 5000);
+    grid_motion(6, 6, 4, 2000, 150, 5000);
+
+    random_motion(20, 7, 1000, 100, 200);
+
+    // grid_motion(2, 2, 8, 1000, 150, 2000);
+
+    move_to(0, 0, 0, 100); dwell(1000);
+    circle_motion(2, 10, 20);
+    circle_motion(3, 10, 500);
+    set_acceleration(500);
+    move_to(0, 0, 0, 100); dwell(1000);
+
+    grid_motion(5, 5, 16, 1000, 150, 2000);
+    random_motion(20, 7, 1000, 200, 2000);
+
+
+    dwell(1000);
+    for(int i=0; i<4; i++)
+      grid_motion(2, 2, 16, 1000, 100, 1000);
+
+    set_acceleration(2000);
+    for(int i=0; i<3; i++) {
+      move_to(0, 0, -12, 500);
+      move_to(0, 0, 12, 500);
+    }
+
+    // end
+    move_to(0, 0, -14, 10);
+    run_command("G4 S5");
+  }
+};
+
+void DemoGcodeGenerator::robot_update() {
+  // run robot update loop until command parse can accept a new command
+  do { 
+    robot->update_command_parser();
+    robot->update_path_planner();
+  } while(robot->get_command_parser()->is_command_ready());
+}
+
+void DemoGcodeGenerator::run_command(const std::string& cmd) {
+  // perform robot update, this will block until command parser can accept next command
+  robot_update();
+  robot->get_command_parser()->parse_line(cmd.c_str());
+  LOG_INFO("DEMO: %s", cmd.c_str());
+}
+
+void DemoGcodeGenerator::move_to(Vec3F p, float feedrate) {
+  char b[64];
+  p = wst.rotate(p);
+  std::snprintf(b, sizeof(b), "G0 X%.3f Y%.3f Z%.3f F%.3f", p.x, p.y, p.z, feedrate);
+  run_command(b);
+}
+
+void DemoGcodeGenerator::move_to(float x, float y, float z, float feedrate) {
+  move_to(Vec3F(x, y, z), feedrate);
+}
+
+void DemoGcodeGenerator::set_acceleration(int accel) {
+  if(accel>0)
+    run_command(std::string("M204 L")+std::to_string(accel));
+}
+
+void DemoGcodeGenerator::dwell(int time_ms) {
+  if(time_ms>0)
+    run_command(std::string("G4 P")+std::to_string(time_ms));
+}
+
+void DemoGcodeGenerator::random_motion(int count, float range, float feedrade, int dwell_ms, int acceleration) {
+  set_acceleration(acceleration);
+
+  for(int i=0; i<count; i++) {
+    move_to(rand_vec3d(range), 1000);
+    dwell(dwell_ms);
+  }
+} 
+
+void DemoGcodeGenerator::circle_motion(int count, float radius, float feedrade) {
+  Vec3F eu(radius,0,0);
+  Vec3F ev(0,radius,0);
+  
+  move_to(eu, feedrade);
+  set_acceleration(4000);
+
+  for(int i=0; i<count; i++) {
+    for(float t=0; t<Constants::TWO_PI_F; t+=0.03) {
+      move_to(eu*cos(t) + ev*sin(t), feedrade);
+    }
+  }
+}
+
+void DemoGcodeGenerator::grid_motion(int w, int h, float size, float feedrate, int dwell_ms, int acceleration) {
+  Vec3F eu(1,0,0);
+  Vec3F ev(0,1,0);
+
+  set_acceleration(acceleration);
+
+  float uo = -size*0.5f;
+  float vo = -size*0.5f;
+  float us = size/(w-1);
+  float vs = size/(h-1);
+
+  for(int v=0; v<h; v++) {
+    for(int u=0; u<w; u++) {
+      float d = v%2 == 0 ? -1.0f : 1.0f;
+      move_to(eu*((float(u)*us+uo)*d) + ev*(float(v)*vs+vo) + Vec3F(0, 0, 0), feedrate);
+      dwell(dwell_ms);
+    }
+  }
+}
+
diff --git a/firmware/MotionControllerRP/src/demo_gcode_generator.h b/firmware/MotionControllerRP/src/demo_gcode_generator.h
new file mode 100644
index 0000000..ae355dc
--- /dev/null
+++ b/firmware/MotionControllerRP/src/demo_gcode_generator.h
@@ -0,0 +1,41 @@
+// --------------------------------------------------------------------------------------
+// Project: MicroManipulatorStepper
+// License: MIT (see LICENSE file for full description)
+//          All text in here must be included in any redistribution.
+// Author:  M. S. (diffraction limited)
+// --------------------------------------------------------------------------------------
+
+#pragma once
+
+#include <string>
+#include "utilities/math3d.h"
+
+//*** CLASS *****************************************************************************
+
+class Robot;
+
+
+class DemoGcodeGenerator {
+  public:
+    DemoGcodeGenerator(Robot* robot);  
+    void run();
+    
+  private:
+    void robot_update();
+    void run_command(const std::string& cmd);
+
+    void move_to(Vec3F p, float feedrate);
+    void move_to(float x, float y, float z, float feedrate);
+    void set_acceleration(int accel);
+    void dwell(int time_ms);
+  
+  private:
+    void random_motion(int count, float range, float feedrade, int dwell_ms=-1, int acceleration=-1);
+    void circle_motion(int count, float radius, float feedrade);
+    void grid_motion(int w, int h, float size, float feedrate, int dwell_ms=-1, int acceleration=-1);
+
+  private:
+    int cmd_counter = 0;
+    QuaternionF wst;
+    Robot* robot;
+};