would appear to fix map etc

out.c

@@ -8,7 +8,7 @@ enum messages { SET = 0, ALL, MAP, ROW, COL, LEVEL_SET, LEVEL_ALL, LEVEL_MAP, LE
 int length[10] = {3, 1, 10, 3, 3, 3, 1, 66, 10, 10};
 
 /* message */
-int msg[68];
+char msg[68];
 /* buffer for read characters. getchar() is an int not a char! */
 int c;
 
@@ -60,12 +60,12 @@ int main(int argc, char *argv[]) {
 			case ROW:
 				/* row and col are the same. they take single bytes of data as arrays, for some reason */
 				int row_data[0];
-				memcpy(row_data, &msg[3], sizeof(int));
+				memcpy(row_data, &msg[3], sizeof(char));
 				monome_led_row(monome, msg[1], msg[2], 1, (const uint8_t*)row_data);
 			break;
 			case COL:
 				int col_data[0];
-				memcpy(col_data, &msg[3], sizeof(int));
+				memcpy(col_data, &msg[3], sizeof(char));
 				monome_led_col(monome, msg[1], msg[2], 1, (const uint8_t*)col_data);
 			break;
 			case LEVEL_SET:
@@ -76,17 +76,17 @@ int main(int argc, char *argv[]) {
 			break;
 			case LEVEL_MAP:
 				int lmap_data[64];
-				memcpy(lmap_data, &msg[3], 64 * sizeof(int));
+				memcpy(lmap_data, &msg[3], 64 * sizeof(char));
 				monome_led_level_map(monome, msg[1], msg[2], (const uint8_t*)lmap_data);
 			break;
 			case LEVEL_ROW:
 				int lrow_data[8];
-				memcpy(lrow_data, &msg[3], 8 * sizeof(int));
+				memcpy(lrow_data, &msg[3], 8 * sizeof(char));
 				monome_led_level_row(monome, msg[1], msg[2], 1, (const uint8_t*)lrow_data);
 			break;
 			case LEVEL_COL:
 				int lcol_data[8];
-				memcpy(lcol_data, &msg[3], 8 * sizeof(int));
+				memcpy(lcol_data, &msg[3], 8 * sizeof(char));
 				monome_led_level_col(monome, msg[1], msg[2], 1, (const uint8_t*)lcol_data);
 			break;