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=015379488b6ddfb61899ffb5486da207aae9bc5c;hp=c3608d640897d5e00cf5db2fa14ce55ac2244235;hb=03e4f34e90f71a08b671193c8a3ac9e587f83cd6;hpb=28da5858ac871c626153f47566e968ecb05ff52b

diff --git a/projects/microb2010/mainboard/strat_db.c b/projects/microb2010/mainboard/strat_db.c
index c3608d6..0153794 100644
--- a/projects/microb2010/mainboard/strat_db.c
+++ b/projects/microb2010/mainboard/strat_db.c
@@ -29,6 +29,7 @@
 
 #include <aversive.h>
 #include <aversive/pgmspace.h>
+#include <aversive/error.h>
 
 #include <ax12.h>
 #include <uart.h>
@@ -174,7 +175,7 @@ int8_t xycoord_to_ijcoord(int16_t *xp, int16_t *yp, uint8_t *ip, uint8_t *jp)
 	x += (STEP_CORN_X/2);
 	i = x / STEP_CORN_X;
 
-	y = COLOR_Y(y);
+	y = COLOR_Y(y); /* Y depends on color */
 	y -= OFFSET_CORN_Y;
 	if ((i & 1) == 1) {
 		j = y / STEP_CORN_Y;
@@ -206,8 +207,7 @@ int8_t xycoord_to_ijcoord(int16_t *xp, int16_t *yp, uint8_t *ip, uint8_t *jp)
 
 /******** CORN */
 
-/* return the index of a corn given its i,j coords. */
-int8_t ijcoord_to_corn_idx(uint8_t i, uint8_t j)
+static int8_t early_ijcoord_to_corn_idx(uint8_t i, uint8_t j)
 {
 	uint8_t n;
 	for (n = 0; n < CORN_NB; n ++) {
@@ -218,6 +218,14 @@ int8_t ijcoord_to_corn_idx(uint8_t i, uint8_t j)
 	return -1;
 }
 
+/* return the index of a corn given its i,j coords. */
+int8_t ijcoord_to_corn_idx(uint8_t i, uint8_t j)
+{
+	if (strat_db.wp_table[i][j].type != WP_TYPE_CORN)
+		return -1;
+	return strat_db.wp_table[i][j].corn.idx;
+}
+
 /* return the i,j coords of a corn given its index */
 int8_t corn_idx_to_ijcoord(uint8_t idx, uint8_t *i, uint8_t *j)
 {
@@ -492,7 +500,7 @@ void strat_db_init(void)
 			}
 
 			/* corn */
-			idx = ijcoord_to_corn_idx(i, j);
+			idx = early_ijcoord_to_corn_idx(i, j);
 			if (idx >= 0) {
 				wp->type = WP_TYPE_CORN;
 				wp->present = 1;