microb 2010
[aversive.git] / projects / microb2010 / tests / test_board2008 / commands_traj.c
diff --git a/projects/microb2010/tests/test_board2008/commands_traj.c b/projects/microb2010/tests/test_board2008/commands_traj.c
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+/*
+ *  Copyright Droids Corporation (2009)
+ * 
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  Revision : $Id: commands_traj.c,v 1.6 2009-05-02 10:08:09 zer0 Exp $
+ *
+ *  Olivier MATZ <zer0@droids-corp.org> 
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <aversive/pgmspace.h>
+#include <aversive/wait.h>
+#include <aversive/error.h>
+
+#include <uart.h>
+#include <pwm_ng.h>
+#include <time.h>
+#include <encoders_microb.h>
+
+#include <pid.h>
+#include <quadramp.h>
+#include <control_system_manager.h>
+#include <trajectory_manager.h>
+#include <blocking_detection_manager.h>
+#include <robot_system.h>
+#include <position_manager.h>
+
+#include <rdline.h>
+#include <parse.h>
+#include <parse_string.h>
+#include <parse_num.h>
+
+#include "main.h"
+#include "strat_base.h"
+#include "strat_utils.h"
+#include "cs.h"
+#include "cmdline.h"
+
+/**********************************************************/
+/* Traj_Speeds for trajectory_manager */
+
+/* this structure is filled when cmd_traj_speed is parsed successfully */
+struct cmd_traj_speed_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       uint16_t s;
+};
+
+/* function called when cmd_traj_speed is parsed successfully */
+static void cmd_traj_speed_parsed(void *parsed_result, void *data)
+{
+       struct cmd_traj_speed_result * res = parsed_result;
+       
+       if (!strcmp_P(res->arg1, PSTR("angle"))) {
+               trajectory_set_speed(&mainboard.traj, mainboard.traj.d_speed, res->s);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("distance"))) {
+               trajectory_set_speed(&mainboard.traj, res->s, mainboard.traj.a_speed);
+       }
+       /* else it is a "show" */
+
+       printf_P(PSTR("angle %u, distance %u\r\n"), 
+                mainboard.traj.a_speed,
+                mainboard.traj.d_speed);
+}
+
+prog_char str_traj_speed_arg0[] = "traj_speed";
+parse_pgm_token_string_t cmd_traj_speed_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_traj_speed_result, arg0, str_traj_speed_arg0);
+prog_char str_traj_speed_arg1[] = "angle#distance";
+parse_pgm_token_string_t cmd_traj_speed_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_traj_speed_result, arg1, str_traj_speed_arg1);
+parse_pgm_token_num_t cmd_traj_speed_s = TOKEN_NUM_INITIALIZER(struct cmd_traj_speed_result, s, UINT16);
+
+prog_char help_traj_speed[] = "Set traj_speed values for trajectory manager";
+parse_pgm_inst_t cmd_traj_speed = {
+       .f = cmd_traj_speed_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_traj_speed,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_traj_speed_arg0, 
+               (prog_void *)&cmd_traj_speed_arg1, 
+               (prog_void *)&cmd_traj_speed_s, 
+               NULL,
+       },
+};
+
+/* show */
+
+prog_char str_traj_speed_show_arg[] = "show";
+parse_pgm_token_string_t cmd_traj_speed_show_arg = TOKEN_STRING_INITIALIZER(struct cmd_traj_speed_result, arg1, str_traj_speed_show_arg);
+
+prog_char help_traj_speed_show[] = "Show traj_speed values for trajectory manager";
+parse_pgm_inst_t cmd_traj_speed_show = {
+       .f = cmd_traj_speed_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_traj_speed_show,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_traj_speed_arg0, 
+               (prog_void *)&cmd_traj_speed_show_arg,
+               NULL,
+       },
+};
+
+/**********************************************************/
+/* trajectory window configuration */
+
+/* this structure is filled when cmd_trajectory is parsed successfully */
+struct cmd_trajectory_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       float d_win;
+       float a_win;
+       float a_start;
+};
+
+
+/* function called when cmd_trajectory is parsed successfully */
+static void cmd_trajectory_parsed(void * parsed_result, void * data)
+{
+       struct cmd_trajectory_result * res = parsed_result;
+       
+       if (!strcmp_P(res->arg1, PSTR("set"))) {
+               trajectory_set_windows(&mainboard.traj, res->d_win,
+                                      res->a_win, res->a_start);
+       }
+
+       printf_P(PSTR("trajectory %2.2f %2.2f %2.2f\r\n"), mainboard.traj.d_win,
+                DEG(mainboard.traj.a_win_rad), DEG(mainboard.traj.a_start_rad));
+}
+
+prog_char str_trajectory_arg0[] = "trajectory";
+parse_pgm_token_string_t cmd_trajectory_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_trajectory_result, arg0, str_trajectory_arg0);
+prog_char str_trajectory_arg1[] = "set";
+parse_pgm_token_string_t cmd_trajectory_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_trajectory_result, arg1, str_trajectory_arg1);
+parse_pgm_token_num_t cmd_trajectory_d = TOKEN_NUM_INITIALIZER(struct cmd_trajectory_result, d_win, FLOAT);
+parse_pgm_token_num_t cmd_trajectory_a = TOKEN_NUM_INITIALIZER(struct cmd_trajectory_result, a_win, FLOAT);
+parse_pgm_token_num_t cmd_trajectory_as = TOKEN_NUM_INITIALIZER(struct cmd_trajectory_result, a_start, FLOAT);
+
+prog_char help_trajectory[] = "Set trajectory windows (distance, angle, angle_start)";
+parse_pgm_inst_t cmd_trajectory = {
+       .f = cmd_trajectory_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_trajectory,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_trajectory_arg0, 
+               (prog_void *)&cmd_trajectory_arg1, 
+               (prog_void *)&cmd_trajectory_d, 
+               (prog_void *)&cmd_trajectory_a, 
+               (prog_void *)&cmd_trajectory_as, 
+               NULL,
+       },
+};
+
+/* show */
+
+prog_char str_trajectory_show_arg[] = "show";
+parse_pgm_token_string_t cmd_trajectory_show_arg = TOKEN_STRING_INITIALIZER(struct cmd_trajectory_result, arg1, str_trajectory_show_arg);
+
+prog_char help_trajectory_show[] = "Show trajectory window configuration";
+parse_pgm_inst_t cmd_trajectory_show = {
+       .f = cmd_trajectory_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_trajectory_show,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_trajectory_arg0, 
+               (prog_void *)&cmd_trajectory_show_arg,
+               NULL,
+       },
+};
+
+/**********************************************************/
+/* rs_gains configuration */
+
+/* this structure is filled when cmd_rs_gains is parsed successfully */
+struct cmd_rs_gains_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       float left;
+       float right;
+};
+
+/* function called when cmd_rs_gains is parsed successfully */
+static void cmd_rs_gains_parsed(void * parsed_result, void * data)
+{
+       struct cmd_rs_gains_result * res = parsed_result;
+
+       if (!strcmp_P(res->arg1, PSTR("set"))) {
+               rs_set_left_ext_encoder(&mainboard.rs, encoders_microb_get_value, 
+                                       LEFT_ENCODER, res->left); // en augmentant on tourne à gauche
+               rs_set_right_ext_encoder(&mainboard.rs, encoders_microb_get_value, 
+                                        RIGHT_ENCODER, res->right); //en augmentant on tourne à droite
+       }
+       printf_P(PSTR("rs_gains set %f %f"),
+                mainboard.rs.left_ext_gain,
+                mainboard.rs.right_ext_gain);
+/*     f64_print(mainboard.rs.left_ext_gain); */
+/*     printf_P(PSTR(" ")); */
+/*     f64_print(mainboard.rs.right_ext_gain); */
+       printf_P(PSTR("\r\n"));
+}
+
+prog_char str_rs_gains_arg0[] = "rs_gains";
+parse_pgm_token_string_t cmd_rs_gains_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_rs_gains_result, arg0, str_rs_gains_arg0);
+prog_char str_rs_gains_arg1[] = "set";
+parse_pgm_token_string_t cmd_rs_gains_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_rs_gains_result, arg1, str_rs_gains_arg1);
+parse_pgm_token_num_t cmd_rs_gains_l = TOKEN_NUM_INITIALIZER(struct cmd_rs_gains_result, left, FLOAT);
+parse_pgm_token_num_t cmd_rs_gains_r = TOKEN_NUM_INITIALIZER(struct cmd_rs_gains_result, right, FLOAT);
+
+prog_char help_rs_gains[] = "Set rs_gains (left, right)";
+parse_pgm_inst_t cmd_rs_gains = {
+       .f = cmd_rs_gains_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_rs_gains,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_rs_gains_arg0, 
+               (prog_void *)&cmd_rs_gains_arg1, 
+               (prog_void *)&cmd_rs_gains_l, 
+               (prog_void *)&cmd_rs_gains_r, 
+               NULL,
+       },
+};
+
+/* show */
+
+prog_char str_rs_gains_show_arg[] = "show";
+parse_pgm_token_string_t cmd_rs_gains_show_arg = TOKEN_STRING_INITIALIZER(struct cmd_rs_gains_result, arg1, str_rs_gains_show_arg);
+
+prog_char help_rs_gains_show[] = "Show rs_gains";
+parse_pgm_inst_t cmd_rs_gains_show = {
+       .f = cmd_rs_gains_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_rs_gains_show,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_rs_gains_arg0, 
+               (prog_void *)&cmd_rs_gains_show_arg,
+               NULL,
+       },
+};
+
+/**********************************************************/
+/* track configuration */
+
+/* this structure is filled when cmd_track is parsed successfully */
+struct cmd_track_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       float val;
+};
+
+/* function called when cmd_track is parsed successfully */
+static void cmd_track_parsed(void * parsed_result, void * data)
+{
+       struct cmd_track_result * res = parsed_result;
+
+       if (!strcmp_P(res->arg1, PSTR("set"))) {
+               position_set_physical_params(&mainboard.pos, res->val, DIST_IMP_MM);
+       }
+       printf_P(PSTR("track set %f\r\n"), mainboard.pos.phys.track_mm);
+}
+
+prog_char str_track_arg0[] = "track";
+parse_pgm_token_string_t cmd_track_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_track_result, arg0, str_track_arg0);
+prog_char str_track_arg1[] = "set";
+parse_pgm_token_string_t cmd_track_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_track_result, arg1, str_track_arg1);
+parse_pgm_token_num_t cmd_track_val = TOKEN_NUM_INITIALIZER(struct cmd_track_result, val, FLOAT);
+
+prog_char help_track[] = "Set track in mm";
+parse_pgm_inst_t cmd_track = {
+       .f = cmd_track_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_track,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_track_arg0, 
+               (prog_void *)&cmd_track_arg1, 
+               (prog_void *)&cmd_track_val, 
+               NULL,
+       },
+};
+
+/* show */
+
+prog_char str_track_show_arg[] = "show";
+parse_pgm_token_string_t cmd_track_show_arg = TOKEN_STRING_INITIALIZER(struct cmd_track_result, arg1, str_track_show_arg);
+
+prog_char help_track_show[] = "Show track";
+parse_pgm_inst_t cmd_track_show = {
+       .f = cmd_track_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_track_show,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_track_arg0, 
+               (prog_void *)&cmd_track_show_arg,
+               NULL,
+       },
+};
+
+
+
+/**********************************************************/
+/* Pt_Lists for testing traj */
+
+#define PT_LIST_SIZE 10
+static struct xy_point pt_list[PT_LIST_SIZE];
+static uint16_t pt_list_len = 0;
+
+/* this structure is filled when cmd_pt_list is parsed successfully */
+struct cmd_pt_list_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       uint16_t arg2;
+       int16_t arg3;
+       int16_t arg4;
+};
+
+/* function called when cmd_pt_list is parsed successfully */
+static void cmd_pt_list_parsed(void * parsed_result, void * data)
+{
+       struct cmd_pt_list_result * res = parsed_result;
+       uint8_t i, why=0;
+       
+       if (!strcmp_P(res->arg1, PSTR("append"))) {
+               res->arg2 = pt_list_len;
+       }
+
+       if (!strcmp_P(res->arg1, PSTR("insert")) ||
+           !strcmp_P(res->arg1, PSTR("append"))) {
+               if (res->arg2 > pt_list_len) {
+                       printf_P(PSTR("Index too large\r\n"));
+                       return;
+               }
+               if (pt_list_len >= PT_LIST_SIZE) {
+                       printf_P(PSTR("List is too large\r\n"));
+                       return;
+               }
+               memmove(&pt_list[res->arg2+1], &pt_list[res->arg2], 
+                      PT_LIST_SIZE-1-res->arg2);
+               pt_list[res->arg2].x = res->arg3;
+               pt_list[res->arg2].y = res->arg4;
+               pt_list_len++;
+       }
+       else if (!strcmp_P(res->arg1, PSTR("del"))) {
+               if (pt_list_len <= 0) {
+                       printf_P(PSTR("Error: list empty\r\n"));
+                       return;
+               }
+               if (res->arg2 > pt_list_len) {
+                       printf_P(PSTR("Index too large\r\n"));
+                       return;
+               }
+               memmove(&pt_list[res->arg2], &pt_list[res->arg2+1], 
+                      (PT_LIST_SIZE-1-res->arg2)*sizeof(struct xy_point));
+               pt_list_len--;
+       }
+       else if (!strcmp_P(res->arg1, PSTR("reset"))) {
+               pt_list_len = 0;
+       }
+       
+       /* else it is a "show" or a "start" */
+       if (pt_list_len == 0) {
+               printf_P(PSTR("List empty\r\n"));
+               return;
+       }
+       for (i=0 ; i<pt_list_len ; i++) {
+               printf_P(PSTR("%d: x=%d y=%d\r\n"), i, pt_list[i].x, pt_list[i].y);
+               if (!strcmp_P(res->arg1, PSTR("start"))) {
+                       trajectory_goto_xy_abs(&mainboard.traj, pt_list[i].x, pt_list[i].y);
+                       why = wait_traj_end(0xFF); /* all */
+               }
+               else if (!strcmp_P(res->arg1, PSTR("avoid_start"))) {
+                       while (1) {
+                               //why = goto_and_avoid(pt_list[i].x, pt_list[i].y, 0xFF, 0xFF);
+                               printf("next point\r\n");
+                               if (why != END_OBSTACLE)
+                                       break;
+                       }
+               }
+               if (why & (~(END_TRAJ | END_NEAR)))
+                       trajectory_stop(&mainboard.traj);
+       }
+}
+
+prog_char str_pt_list_arg0[] = "pt_list";
+parse_pgm_token_string_t cmd_pt_list_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_pt_list_result, arg0, str_pt_list_arg0);
+prog_char str_pt_list_arg1[] = "insert";
+parse_pgm_token_string_t cmd_pt_list_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_pt_list_result, arg1, str_pt_list_arg1);
+parse_pgm_token_num_t cmd_pt_list_arg2 = TOKEN_NUM_INITIALIZER(struct cmd_pt_list_result, arg2, UINT16);
+parse_pgm_token_num_t cmd_pt_list_arg3 = TOKEN_NUM_INITIALIZER(struct cmd_pt_list_result, arg3, INT16);
+parse_pgm_token_num_t cmd_pt_list_arg4 = TOKEN_NUM_INITIALIZER(struct cmd_pt_list_result, arg4, INT16);
+
+prog_char help_pt_list[] = "Insert point in pt_list (idx,x,y)";
+parse_pgm_inst_t cmd_pt_list = {
+       .f = cmd_pt_list_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_pt_list,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_pt_list_arg0, 
+               (prog_void *)&cmd_pt_list_arg1, 
+               (prog_void *)&cmd_pt_list_arg2, 
+               (prog_void *)&cmd_pt_list_arg3, 
+               (prog_void *)&cmd_pt_list_arg4, 
+               NULL,
+       },
+};
+
+/* append */
+
+prog_char str_pt_list_arg1_append[] = "append";
+parse_pgm_token_string_t cmd_pt_list_arg1_append = TOKEN_STRING_INITIALIZER(struct cmd_pt_list_result, arg1, str_pt_list_arg1_append);
+
+prog_char help_pt_list_append[] = "Append point in pt_list (x,y)";
+parse_pgm_inst_t cmd_pt_list_append = {
+       .f = cmd_pt_list_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_pt_list_append,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_pt_list_arg0, 
+               (prog_void *)&cmd_pt_list_arg1_append, 
+               (prog_void *)&cmd_pt_list_arg3, 
+               (prog_void *)&cmd_pt_list_arg4, 
+               NULL,
+       },
+};
+
+/* del */
+
+prog_char str_pt_list_del_arg[] = "del";
+parse_pgm_token_string_t cmd_pt_list_del_arg = TOKEN_STRING_INITIALIZER(struct cmd_pt_list_result, arg1, str_pt_list_del_arg);
+
+prog_char help_pt_list_del[] = "Del or insert point in pt_list (num)";
+parse_pgm_inst_t cmd_pt_list_del = {
+       .f = cmd_pt_list_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_pt_list_del,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_pt_list_arg0, 
+               (prog_void *)&cmd_pt_list_del_arg, 
+               (prog_void *)&cmd_pt_list_arg2,
+               NULL,
+       },
+};
+/* show */
+
+prog_char str_pt_list_show_arg[] = "show#reset#start#avoid_start";
+parse_pgm_token_string_t cmd_pt_list_show_arg = TOKEN_STRING_INITIALIZER(struct cmd_pt_list_result, arg1, str_pt_list_show_arg);
+
+prog_char help_pt_list_show[] = "Show, start or reset pt_list";
+parse_pgm_inst_t cmd_pt_list_show = {
+       .f = cmd_pt_list_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_pt_list_show,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_pt_list_arg0, 
+               (prog_void *)&cmd_pt_list_show_arg,
+               NULL,
+       },
+};
+
+
+
+/**********************************************************/
+/* Goto function */
+
+/* this structure is filled when cmd_goto is parsed successfully */
+struct cmd_goto_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       int32_t arg2;
+       int32_t arg3;
+       int32_t arg4;
+};
+
+/* function called when cmd_goto is parsed successfully */
+static void cmd_goto_parsed(void * parsed_result, void * data)
+{
+       struct cmd_goto_result * res = parsed_result;
+       uint8_t err;
+       microseconds t1, t2;
+
+       interrupt_traj_reset();
+       if (!strcmp_P(res->arg1, PSTR("a_rel"))) {
+               trajectory_a_rel(&mainboard.traj, res->arg2);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("d_rel"))) {
+               trajectory_d_rel(&mainboard.traj, res->arg2);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("a_abs"))) {
+               trajectory_a_abs(&mainboard.traj, res->arg2);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("a_to_xy"))) {
+               trajectory_turnto_xy(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("a_behind_xy"))) {
+               trajectory_turnto_xy_behind(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("xy_rel"))) {
+               trajectory_goto_xy_rel(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("xy_abs"))) {
+               trajectory_goto_xy_abs(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("avoid"))) {
+               //err = goto_and_avoid_forward(res->arg2, res->arg3, 0xFF, 0xFF);
+               err=0;
+               if (err != END_TRAJ && err != END_NEAR)
+                       strat_hardstop();
+       }
+       else if (!strcmp_P(res->arg1, PSTR("avoid_bw"))) {
+               //err = goto_and_avoid_backward(res->arg2, res->arg3, 0xFF, 0xFF);
+               err=0;
+               if (err != END_TRAJ && err != END_NEAR)
+                       strat_hardstop();
+       }
+       else if (!strcmp_P(res->arg1, PSTR("xy_abs_fow"))) {
+               trajectory_goto_forward_xy_abs(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("xy_abs_back"))) {
+               trajectory_goto_backward_xy_abs(&mainboard.traj, res->arg2, res->arg3);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("da_rel"))) {
+               trajectory_d_a_rel(&mainboard.traj, res->arg2, res->arg3);
+       }
+       t1 = time_get_us2();
+       while ((err = test_traj_end(0xFF)) == 0) {
+               t2 = time_get_us2();
+               if (t2 - t1 > 200000) {
+                       dump_cs_debug("angle", &mainboard.angle.cs);
+                       dump_cs_debug("distance", &mainboard.distance.cs);
+                       t1 = t2;
+               }
+       }
+       if (err != END_TRAJ && err != END_NEAR)
+               strat_hardstop();
+       printf_P(PSTR("returned %s\r\n"), get_err(err));
+}
+
+prog_char str_goto_arg0[] = "goto";
+parse_pgm_token_string_t cmd_goto_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_goto_result, arg0, str_goto_arg0);
+prog_char str_goto_arg1_a[] = "d_rel#a_rel#a_abs";
+parse_pgm_token_string_t cmd_goto_arg1_a = TOKEN_STRING_INITIALIZER(struct cmd_goto_result, arg1, str_goto_arg1_a);
+parse_pgm_token_num_t cmd_goto_arg2 = TOKEN_NUM_INITIALIZER(struct cmd_goto_result, arg2, INT32);
+
+/* 1 params */
+prog_char help_goto1[] = "Change orientation of the mainboard";
+parse_pgm_inst_t cmd_goto1 = {
+       .f = cmd_goto_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_goto1,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_goto_arg0, 
+               (prog_void *)&cmd_goto_arg1_a, 
+               (prog_void *)&cmd_goto_arg2, 
+               NULL,
+       },
+};
+
+prog_char str_goto_arg1_b[] = "xy_rel#xy_abs#xy_abs_fow#xy_abs_back#da_rel#a_to_xy#avoid#avoid_bw#a_behind_xy";
+parse_pgm_token_string_t cmd_goto_arg1_b = TOKEN_STRING_INITIALIZER(struct cmd_goto_result, arg1, str_goto_arg1_b);
+parse_pgm_token_num_t cmd_goto_arg3 = TOKEN_NUM_INITIALIZER(struct cmd_goto_result, arg3, INT32);
+
+/* 2 params */
+prog_char help_goto2[] = "Go to a (x,y) or (d,a) position";
+parse_pgm_inst_t cmd_goto2 = {
+       .f = cmd_goto_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_goto2,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_goto_arg0, 
+               (prog_void *)&cmd_goto_arg1_b, 
+               (prog_void *)&cmd_goto_arg2,
+               (prog_void *)&cmd_goto_arg3, 
+               NULL,
+       },
+};
+
+/**********************************************************/
+/* Position tests */
+
+/* this structure is filled when cmd_position is parsed successfully */
+struct cmd_position_result {
+       fixed_string_t arg0;
+       fixed_string_t arg1;
+       int32_t arg2;
+       int32_t arg3;
+       int32_t arg4;
+};
+
+#define AUTOPOS_SPEED_FAST 200
+static void auto_position(void)
+{
+       uint8_t err;
+       uint16_t old_spdd, old_spda;
+
+       interrupt_traj_reset();
+       strat_get_speed(&old_spdd, &old_spda);
+       strat_set_speed(AUTOPOS_SPEED_FAST, AUTOPOS_SPEED_FAST);
+
+       trajectory_d_rel(&mainboard.traj, -300);
+       err = wait_traj_end(END_INTR|END_TRAJ|END_BLOCKING);
+       if (err == END_INTR)
+               goto intr;
+       wait_ms(100);
+       strat_reset_pos(ROBOT_LENGTH/2, 0, 0);
+
+       trajectory_d_rel(&mainboard.traj, 120);
+       err = wait_traj_end(END_INTR|END_TRAJ);
+       if (err == END_INTR)
+               goto intr;
+
+       trajectory_a_rel(&mainboard.traj, 90);
+       err = wait_traj_end(END_INTR|END_TRAJ);
+       if (err == END_INTR)
+               goto intr;
+
+       trajectory_d_rel(&mainboard.traj, -300);
+       err = wait_traj_end(END_INTR|END_TRAJ|END_BLOCKING);
+       if (err == END_INTR)
+               goto intr;
+       wait_ms(100);
+       strat_reset_pos(DO_NOT_SET_POS, ROBOT_LENGTH/2,
+                       90);
+
+       trajectory_d_rel(&mainboard.traj, 120);
+       err = wait_traj_end(END_INTR|END_TRAJ);
+       if (err == END_INTR)
+               goto intr;
+       wait_ms(100);
+       
+       trajectory_a_rel(&mainboard.traj, -40);
+       err = wait_traj_end(END_INTR|END_TRAJ);
+       if (err == END_INTR)
+               goto intr;
+       wait_ms(100);
+       
+       strat_set_speed(old_spdd, old_spda);
+       return;
+
+intr:
+       strat_hardstop();
+       strat_set_speed(old_spdd, old_spda);
+}
+
+/* function called when cmd_position is parsed successfully */
+static void cmd_position_parsed(void * parsed_result, void * data)
+{
+       struct cmd_position_result * res = parsed_result;
+       
+       /* display raw position values */
+       if (!strcmp_P(res->arg1, PSTR("reset"))) {
+               position_set(&mainboard.pos, 0, 0, 0);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("set"))) {
+               position_set(&mainboard.pos, res->arg2, res->arg3, res->arg4);
+       }
+       else if (!strcmp_P(res->arg1, PSTR("autoset_green"))) {
+               auto_position();
+       }
+       else if (!strcmp_P(res->arg1, PSTR("autoset_red"))) {
+               auto_position();
+       }
+
+       /* else it's just a "show" */
+       printf_P(PSTR("x=%.2f y=%.2f a=%.2f\r\n"), 
+                position_get_x_double(&mainboard.pos),
+                position_get_y_double(&mainboard.pos),
+                DEG(position_get_a_rad_double(&mainboard.pos)));
+}
+
+prog_char str_position_arg0[] = "position";
+parse_pgm_token_string_t cmd_position_arg0 = TOKEN_STRING_INITIALIZER(struct cmd_position_result, arg0, str_position_arg0);
+prog_char str_position_arg1[] = "show#reset#autoset_green#autoset_red";
+parse_pgm_token_string_t cmd_position_arg1 = TOKEN_STRING_INITIALIZER(struct cmd_position_result, arg1, str_position_arg1);
+
+prog_char help_position[] = "Show/reset (x,y,a) position";
+parse_pgm_inst_t cmd_position = {
+       .f = cmd_position_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_position,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_position_arg0, 
+               (prog_void *)&cmd_position_arg1, 
+               NULL,
+       },
+};
+
+
+prog_char str_position_arg1_set[] = "set";
+parse_pgm_token_string_t cmd_position_arg1_set = TOKEN_STRING_INITIALIZER(struct cmd_position_result, arg1, str_position_arg1_set);
+parse_pgm_token_num_t cmd_position_arg2 = TOKEN_NUM_INITIALIZER(struct cmd_position_result, arg2, INT32);
+parse_pgm_token_num_t cmd_position_arg3 = TOKEN_NUM_INITIALIZER(struct cmd_position_result, arg3, INT32);
+parse_pgm_token_num_t cmd_position_arg4 = TOKEN_NUM_INITIALIZER(struct cmd_position_result, arg4, INT32);
+
+prog_char help_position_set[] = "Set (x,y,a) position";
+parse_pgm_inst_t cmd_position_set = {
+       .f = cmd_position_parsed,  /* function to call */
+       .data = NULL,      /* 2nd arg of func */
+       .help_str = help_position_set,
+       .tokens = {        /* token list, NULL terminated */
+               (prog_void *)&cmd_position_arg0, 
+               (prog_void *)&cmd_position_arg1_set, 
+               (prog_void *)&cmd_position_arg2, 
+               (prog_void *)&cmd_position_arg3, 
+               (prog_void *)&cmd_position_arg4, 
+               NULL,
+       },
+};
+