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authorJosh Hinnebusch <joshhinnebusch@gmail.com>2020-04-18 21:06:28 -0400
committerGitHub <noreply@github.com>2020-04-18 18:06:28 -0700
commitf3595f65b7080b3276d956544d86bbb7924adaf0 (patch)
tree8be1764027be9504b1deb68c780f92c611d67be2 /keyboards/hineybush
parent23df763a310d739859e070f67b16018652531615 (diff)
[Keyboard] add dual-direction diode capability for hbcp (#8795)
* add dual-direction diode capability * update per PR requests Co-authored-by: hineybush <hineybushkeyboards@gmail.com>
Diffstat (limited to 'keyboards/hineybush')
-rw-r--r--keyboards/hineybush/hbcp/config.h3
-rw-r--r--keyboards/hineybush/hbcp/matrix.c139
-rw-r--r--keyboards/hineybush/hbcp/rules.mk2
3 files changed, 142 insertions, 2 deletions
diff --git a/keyboards/hineybush/hbcp/config.h b/keyboards/hineybush/hbcp/config.h
index 8a5b96ec36..4f3f2a1cd6 100644
--- a/keyboards/hineybush/hbcp/config.h
+++ b/keyboards/hineybush/hbcp/config.h
@@ -45,8 +45,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define MATRIX_COL_PINS { F0, F1, F2, F3, F4, F5, F6, F7, A0, A1, A2, A3, A4, A5, B5, B4, B3, B2 }
#define UNUSED_PINS
-/* COL2ROW, ROW2COL*/
-#define DIODE_DIRECTION COL2ROW
+#define DIODE_DIRECTION EITHERWAY
#define BACKLIGHT_PIN B7
#define BACKLIGHT_BREATHING
diff --git a/keyboards/hineybush/hbcp/matrix.c b/keyboards/hineybush/hbcp/matrix.c
new file mode 100644
index 0000000000..d493a7e9ef
--- /dev/null
+++ b/keyboards/hineybush/hbcp/matrix.c
@@ -0,0 +1,139 @@
+/*
+Copyright 2012-2020 Jun Wako, Jack Humbert, Yiancar, Ein Terakawa, Drashna, Josh Hinnebusch
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+#include <stdint.h>
+#include <stdbool.h>
+#include "util.h"
+#include "matrix.h"
+#include "debounce.h"
+#include "quantum.h"
+
+static const pin_t row_pins[] = MATRIX_ROW_PINS;
+static const pin_t col_pins[] = MATRIX_COL_PINS;
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t last_matrix[MATRIX_ROWS]; // raw values of last scan
+
+// matrix code
+
+ void select_row(uint8_t row) {
+ setPinOutput(row_pins[row]);
+ writePinLow(row_pins[row]);
+}
+
+ void unselect_row(uint8_t row) { setPinInputHigh(row_pins[row]); }
+
+ bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
+ // Store last value of row prior to reading
+ matrix_row_t last_row_value = current_matrix[current_row];
+
+ // Clear data in matrix row
+ current_matrix[current_row] = 0;
+
+ // Select row and wait for row selecton to stabilize
+ select_row(current_row);
+ matrix_io_delay();
+
+ // For each col...
+ for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
+ // Select the col pin to read (active low)
+ uint8_t pin_state = readPin(col_pins[col_index]);
+
+ // Populate the matrix row with the state of the col pin
+ current_matrix[current_row] |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
+ }
+
+ // Unselect row
+ unselect_row(current_row);
+
+ return (last_row_value != current_matrix[current_row]);
+}
+
+ void select_col(uint8_t col) {
+ setPinOutput(col_pins[col]);
+ writePinLow(col_pins[col]);
+}
+
+ void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); }
+
+ bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
+ bool matrix_changed = false;
+
+ // Select col and wait for col selecton to stabilize
+ select_col(current_col);
+ matrix_io_delay();
+
+ // For each row...
+ for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
+ // Store last value of row prior to reading
+ matrix_row_t last_row_value = current_matrix[row_index];
+
+ // Check row pin state
+ if (readPin(row_pins[row_index]) == 0) {
+ // Pin LO, set col bit
+ current_matrix[row_index] |= (MATRIX_ROW_SHIFTER << current_col);
+ }
+
+ // Determine if the matrix changed state
+ if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) {
+ matrix_changed = true;
+ }
+ }
+
+ // Unselect col
+ unselect_col(current_col);
+
+ return matrix_changed;
+}
+
+ void unselect_rows(void) {
+ for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
+ setPinInputHigh(row_pins[x]);
+ }
+}
+
+ void unselect_cols(void) {
+ for (uint8_t x = 0; x < MATRIX_COLS; x++) {
+ setPinInputHigh(col_pins[x]);
+ }
+}
+
+ void init_pins(void) {
+ unselect_rows();
+ unselect_cols();
+}
+
+void matrix_init_custom(void) {
+ // initialize key pins
+ init_pins();
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+ bool changed = false;
+ for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+ last_matrix[current_row] = current_matrix[current_row];
+ read_cols_on_row(current_matrix, current_row);
+ }
+ for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
+ read_rows_on_col(current_matrix, current_col);
+ }
+ for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
+ if (last_matrix[current_row] != current_matrix[current_row]) {
+ changed = true;
+ }
+ }
+ return (uint8_t)changed;
+}
diff --git a/keyboards/hineybush/hbcp/rules.mk b/keyboards/hineybush/hbcp/rules.mk
index 869fa029c9..1e973bc858 100644
--- a/keyboards/hineybush/hbcp/rules.mk
+++ b/keyboards/hineybush/hbcp/rules.mk
@@ -31,3 +31,5 @@ BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
AUDIO_ENABLE = no # Audio output on port C6
FAUXCLICKY_ENABLE = no # Use buzzer to emulate clicky switches
HD44780_ENABLE = no # Enable support for HD44780 based LCDs
+CUSTOM_MATRIX = lite
+SRC += matrix.c