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authorRyan <fauxpark@gmail.com>2022-03-08 10:02:28 +1100
committerGitHub <noreply@github.com>2022-03-08 10:02:28 +1100
commit07ca35decf1a9a998b3e6bb646f7d73901e1c444 (patch)
tree9d6acf5e29cd188011fb1ccc6118a5d77e59313e /keyboards/evyd13/wasdat
parente41d67b42866f773ee067984bb91be8965ba760a (diff)
downloadqmk_firmware-07ca35decf1a9a998b3e6bb646f7d73901e1c444.tar.gz
qmk_firmware-07ca35decf1a9a998b3e6bb646f7d73901e1c444.zip
Convert Wasdat Code custom matrix to SN74x138 driver (#16257)
Diffstat (limited to 'keyboards/evyd13/wasdat')
-rw-r--r--keyboards/evyd13/wasdat/matrix.c43
1 files changed, 22 insertions, 21 deletions
diff --git a/keyboards/evyd13/wasdat/matrix.c b/keyboards/evyd13/wasdat/matrix.c
index c97dd84694..60a1ea235a 100644
--- a/keyboards/evyd13/wasdat/matrix.c
+++ b/keyboards/evyd13/wasdat/matrix.c
@@ -24,27 +24,28 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-/* col 0: C7
- * col 1: B6
- * col 2: C6
- * col 3: B4
- * col 4: B5
- * col 5: D7
+/* Columns 6-12 use a 74HC138 3-to-8 demultiplexer.
*
- * These columns use a 74HC138 3 to 8 bit demultiplexer.
- * A2 A1 A0
- * col / pin: PD0 PD1 PD2
- * 6: 1 1 1
- * 7: 1 1 0
- * 8: 1 0 1
- * 9: 1 0 0
- * 10: 0 1 1
- * 11: 0 1 0
- * 12: 0 0 1
+ * 0: C7
+ * 1: B6
+ * 2: C6
+ * 3: B4
+ * 4: B5
+ * 5: D7
*
- * col 13: D3
- * col 14: B7
- * col 15: B3
+ * A2 A1 A0
+ * D0 D1 D2
+ * 6: 1 1 1
+ * 7: 1 1 0
+ * 8: 1 0 1
+ * 9: 1 0 0
+ * 10: 0 1 1
+ * 11: 0 1 0
+ * 12: 0 0 1
+ *
+ * 13: D3
+ * 14: B7
+ * 15: B3
*/
static void select_col(uint8_t col) {
if (col_pins[col] != NO_PIN) {
@@ -117,10 +118,10 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
}
void matrix_init_custom(void) {
- // initialize key pins
- init_pins();
// initialize demultiplexer
sn74x138_init();
+ // initialize key pins
+ init_pins();
}
bool matrix_scan_custom(matrix_row_t current_matrix[]) {