vt100: include pgmspace.h as we use PROGMEM macro

[aversive.git] / projects / microb2010 / mainboard / strat_avoid.c

diff --git a/projects/microb2010/mainboard/strat_avoid.c b/projects/microb2010/mainboard/strat_avoid.c
index 73f97f7..37483ce 100644 (file)
--- a/projects/microb2010/mainboard/strat_avoid.c
+++ b/projects/microb2010/mainboard/strat_avoid.c
@@ -552,7 +552,7 @@ int16_t linedir2angle(uint8_t dir)
        case LINE_R_UP:
                return COLOR_A(30);
        case LINE_R_DOWN:
-               return COLOR_A(-90);
+               return COLOR_A(-30);
        case LINE_L_UP:
                return COLOR_A(150);
        case LINE_L_DOWN:
@@ -562,6 +562,25 @@ int16_t linedir2angle(uint8_t dir)
        }
 }
 
+int16_t get_nearest_dir_angle(int16_t a)
+{
+       uint8_t dir, min_dir = 0;
+       int16_t min_diff = 0x7FFF, diff;
+
+       for (dir = LINE_UP; dir <= LINE_R_UP; dir++) {
+               diff = abs(linedir2angle(dir) - a);
+               if (diff > 360)
+                       diff -= 360;
+               if (diff > 360)
+                       diff -= 360;
+               if (diff < min_diff) {
+                       min_diff = diff;
+                       min_dir = dir;
+               }
+       }
+       return linedir2angle(min_dir);
+}
+
 /* return true if a waypoint belongs to a line */
 uint8_t wp_belongs_to_line(uint8_t i, uint8_t j, uint8_t linenum, uint8_t dir)
 {
@@ -1107,8 +1126,8 @@ const struct xy_point unblock_pts[] = {
 /* try to unblock in any situation */
 uint8_t strat_unblock(void)
 {
-       int16_t x, y, posx, posy;
-       uint8_t i, j, k;
+       int16_t x, y, posx, posy, posa;
+       uint8_t i, j, k, cpt;
        uint16_t old_dspeed, old_aspeed;
        uint8_t err;
        uint16_t d_min = 0x7FFF, d;
@@ -1120,6 +1139,8 @@ uint8_t strat_unblock(void)
        strat_get_speed(&old_dspeed, &old_aspeed);
 
        strat_hardstop();
+       posa = position_get_a_deg_s16(&mainboard.pos);
+
        strat_set_speed(SPEED_DIST_SLOW, SPEED_ANGLE_SLOW);
        posx = position_get_x_s16(&mainboard.pos);
        posy = position_get_y_s16(&mainboard.pos);
@@ -1148,10 +1169,32 @@ uint8_t strat_unblock(void)
        DEBUG(E_USER_STRAT, "%s() unblock point is %d,%d",
              __FUNCTION__, x, y);
 
-       /* XXX if opponent is too close, go back, or wait ? */
+       for (cpt = 0; cpt < 2; cpt++) {
+
+               /* go to nearest waypoint */
+               trajectory_goto_xy_abs(&mainboard.traj, x, y);
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+               if (err == END_TIMER)
+                       return err;
+
+               if (TRAJ_SUCCESS(err))
+                       break;
+
+               if (cpt == 1)
+                       break;
+
+               /* aie... do a S */
+               trajectory_d_a_rel(&mainboard.traj, 100, 20);
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+               trajectory_d_a_rel(&mainboard.traj, 100, -20);
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+               trajectory_d_a_rel(&mainboard.traj, -100, -20);
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+               trajectory_d_a_rel(&mainboard.traj, -100, 20);
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+       }
 
-       /* go to nearest waypoint */
-       trajectory_goto_xy_abs(&mainboard.traj, x, y);
+       trajectory_a_abs(&mainboard.traj, get_nearest_dir_angle(posa));
        err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
        if (err == END_TIMER)
                return err;