X-Git-Url: http://git.droids-corp.org/?p=aversive.git;a=blobdiff_plain;f=projects%2Fmicrob2010%2Fmainboard%2Fstrat_db.c;fp=projects%2Fmicrob2010%2Fmainboard%2Fstrat_db.c;h=f21dd575680310f78f25e2bc51ac3f53e1d54056;hp=d2835fe76a6022a247bbb49a367bba92d564686a;hb=876789a372da2e93a816428649e511c2ad9e40be;hpb=4abb0bf96078e303a8f43a0ba020a1801b908ae4

diff --git a/projects/microb2010/mainboard/strat_db.c b/projects/microb2010/mainboard/strat_db.c
index d2835fe..f21dd57 100644
--- a/projects/microb2010/mainboard/strat_db.c
+++ b/projects/microb2010/mainboard/strat_db.c
@@ -173,10 +173,14 @@ int8_t xycoord_to_ijcoord(int16_t *xp, int16_t *yp, uint8_t *ip, uint8_t *jp)
 	if ((i & 1) == 1) {
 		j = y / STEP_CORN_Y;
 	}
+	else if ((i & 3) == 0) {
+		j = y / (STEP_CORN_Y*2);
+		j = j*2 + 1;
+	}
 	else {
-		y += (STEP_CORN_Y/2);
-		y /= (STEP_CORN_Y*2);
-		j = (y * 2) + 1;
+		y += (STEP_CORN_Y);
+		j = y / (STEP_CORN_Y*2);
+		j = j*2;
 	}
 
 	if (ijcoord_to_xycoord(i, j, &x, &y) < 0)
@@ -194,7 +198,6 @@ int8_t xycoord_to_ijcoord(int16_t *xp, int16_t *yp, uint8_t *ip, uint8_t *jp)
 	return 0;
 }
 
-
 /******** CORN */
 
 /* return the index of a corn given its i,j coords. */