X-Git-Url: https://git.friedersdorff.com/?a=blobdiff_plain;f=keyboard%2Fgh60%2Fmatrix.c;h=a2bd70e4b78fd60c92861a5bd507db0d72678e3a;hb=366c75979535c27e10332a4842851fa7f91b2f7e;hp=09a051aa666b037135f8a305c9b19d063f03f12b;hpb=1385058fc21f80347c7afd2b818e38795ce9d55a;p=max%2Ftmk_keyboard.git

diff --git a/keyboard/gh60/matrix.c b/keyboard/gh60/matrix.c
index 09a051aa..a2bd70e4 100644
--- a/keyboard/gh60/matrix.c
+++ b/keyboard/gh60/matrix.c
@@ -34,13 +34,10 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 static uint8_t debouncing = DEBOUNCE;
 
 /* matrix state(1:on, 0:off) */
-static uint16_t *matrix;
-static uint16_t *matrix_debouncing;
-static uint16_t matrix0[MATRIX_ROWS];
-static uint16_t matrix1[MATRIX_ROWS];
-static bool is_modified;
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_debouncing[MATRIX_ROWS];
 
-static uint16_t read_cols(void);
+static matrix_row_t read_cols(void);
 static void init_cols(void);
 static void unselect_rows(void);
 static void select_row(uint8_t row);
@@ -65,42 +62,36 @@ void matrix_init(void)
     init_cols();
 
     // initialize matrix state: all keys off
-    matrix = matrix0;
-    matrix_debouncing = matrix1;
     for (uint8_t i=0; i < MATRIX_ROWS; i++) {
         matrix[i] = 0;
         matrix_debouncing[i] = 0;
     }
-    is_modified = false;
 }
 
 uint8_t matrix_scan(void)
 {
     for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        //unselect_rows();
         select_row(i);
         _delay_us(30);  // without this wait read unstable value.
-        uint16_t cols = read_cols();
+        matrix_row_t cols = read_cols();
         if (matrix_debouncing[i] != cols) {
             matrix_debouncing[i] = cols;
             if (debouncing) {
                 debug("bounce!: "); debug_hex(debouncing); debug("\n");
             }
             debouncing = DEBOUNCE;
-            is_modified = false;
         }
         unselect_rows();
     }
-    //unselect_rows();
 
     if (debouncing) {
-        debouncing--;
-        _delay_ms(1);
-    } else {
-        uint16_t *tmp = matrix;
-        matrix = matrix_debouncing;
-        matrix_debouncing = tmp;
-        is_modified = true;
+        if (--debouncing) {
+            _delay_ms(1);
+        } else {
+            for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+                matrix[i] = matrix_debouncing[i];
+            }
+        }
     }
 
     return 1;
@@ -108,13 +99,8 @@ uint8_t matrix_scan(void)
 
 bool matrix_is_modified(void)
 {
-    return is_modified;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
-    return false;
+    if (debouncing) return false;
+    return true;
 }
 
 inline
@@ -124,7 +110,7 @@ bool matrix_is_on(uint8_t row, uint8_t col)
 }
 
 inline
-uint16_t matrix_get_row(uint8_t row)
+matrix_row_t matrix_get_row(uint8_t row)
 {
     return matrix[row];
 }
@@ -167,7 +153,7 @@ static void  init_cols(void)
     PORTB |=  (1<<6 | 1<< 5 | 1<<4 | 1<<3 | 1<<1 | 1<<0);
 }
 
-static uint16_t read_cols(void)
+static matrix_row_t read_cols(void)
 {
     return (PINF&(1<<0) ? 0 : (1<<0)) |
            (PINF&(1<<1) ? 0 : (1<<1)) |