forbid strat_eject() when we are not on correct line
[aversive.git] / projects / microb2010 / mainboard / strat.c
index b49cc7d..ccd1f02 100644 (file)
@@ -285,17 +285,37 @@ void strat_event(void *dummy)
        //strat_limit_speed();
 }
 
+/* check that we are on an eject line */
+static uint8_t robot_is_on_eject_line(void)
+{
+       int16_t x, y;
+       uint8_t i, j;
+
+       x = position_get_x_s16(&mainboard.pos);
+       y = position_get_y_s16(&mainboard.pos);
+
+       if (xycoord_to_ijcoord(&x, &y, &i, &j) < 0)
+               return 0;
+
+       if (!wp_belongs_to_line(i, j, 5, LINE_UP) &&
+           !wp_belongs_to_line(i, j, 2, LINE_R_UP))
+               return 0;
+
+       return 1;
+}
 
 /* must be called from a terminal line */
 static uint8_t strat_eject(void)
 {
        uint8_t err;
 
-       /* XXX MUST be a on the line !! */
-       //XXX return vals
-
        DEBUG(E_USER_STRAT, "%s()", __FUNCTION__);
 
+       if (!robot_is_on_eject_line()) {
+               DEBUG(E_USER_STRAT, "%s() not on eject line", __FUNCTION__);
+               return END_ERROR;
+       }
+
        /* go to eject point */
        trajectory_goto_xy_abs(&mainboard.traj, 2625, COLOR_Y(1847));
        err = WAIT_COND_OR_TRAJ_END(get_cob_count() >= 5,
@@ -311,29 +331,31 @@ static uint8_t strat_eject(void)
 
        /* pack arms */
        strat_event_disable();
-       i2c_cobboard_pack(I2C_LEFT_SIDE);
-       i2c_cobboard_pack(I2C_RIGHT_SIDE);
+       i2c_cobboard_pack_weak(I2C_LEFT_SIDE);
+       i2c_cobboard_pack_weak(I2C_RIGHT_SIDE);
 
        /* ball ejection */
-       i2c_ballboard_set_mode(I2C_BALLBOARD_MODE_EJECT);
-       trajectory_a_abs(&mainboard.traj, COLOR_A(70));
-       err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
-       if (!TRAJ_SUCCESS(err))
-               goto fail;
+       if (get_ball_count() > 0) {
+               i2c_ballboard_set_mode(I2C_BALLBOARD_MODE_EJECT);
+               trajectory_a_abs(&mainboard.traj, COLOR_A(70));
+               err = wait_traj_end(TRAJ_FLAGS_NO_NEAR);
+               if (!TRAJ_SUCCESS(err))
+                       goto fail;
 
-       DEBUG(E_USER_STRAT, "%s():%d", __FUNCTION__, __LINE__);
-       strat_hardstop();
+               DEBUG(E_USER_STRAT, "%s():%d", __FUNCTION__, __LINE__);
+               strat_hardstop();
 #ifdef HOST_VERSION
-       time_wait_ms(2000);
+               time_wait_ms(2000);
 #else
-       WAIT_COND_OR_TIMEOUT(ballboard.status == I2C_BALLBOARD_STATUS_F_BUSY,
-                            2000);
-       WAIT_COND_OR_TIMEOUT(ballboard.status == I2C_BALLBOARD_STATUS_F_READY,
-                            2000);
+               WAIT_COND_OR_TIMEOUT(ballboard.status == I2C_BALLBOARD_STATUS_F_BUSY,
+                                    2000);
+               WAIT_COND_OR_TIMEOUT(ballboard.status == I2C_BALLBOARD_STATUS_F_READY,
+                                    2000);
 #endif
+       }
 
        /* half turn */
-       trajectory_a_rel(&mainboard.traj, COLOR_A(180));
+       trajectory_a_abs(&mainboard.traj, COLOR_A(-110));
        err = wait_traj_end(END_INTR|END_TRAJ);
        if (!TRAJ_SUCCESS(err))
                goto fail;
@@ -344,9 +366,11 @@ static uint8_t strat_eject(void)
        if (!TRAJ_SUCCESS(err))
                goto fail;
 
-       i2c_cobboard_set_mode(I2C_COBBOARD_MODE_EJECT);
-       strat_db_dump(__FUNCTION__);
-       time_wait_ms(2000);
+       if (get_cob_count() > 0) {
+               i2c_cobboard_set_mode(I2C_COBBOARD_MODE_EJECT);
+               strat_db_dump(__FUNCTION__);
+               time_wait_ms(2000);
+       }
 
        err = END_TRAJ;