1 files changed, 0 insertions, 117 deletions
diff --git a/keyboards/gingham/matrix.c b/keyboards/gingham/matrix.c
deleted file mode 100644
index 47c8830565..0000000000
--- a/keyboards/gingham/matrix.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
-Copyright 2012-2019 Jun Wako, Jack Humbert, Yiancar
-
-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 "wait.h"
-#include "quantum.h"
-#include "i2c_master.h"
-
-static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-
-static void unselect_rows(void) {
-    for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
-        setPinInputHigh(row_pins[x]);
-    }
-}
-
-static void select_row(uint8_t row) {
-    setPinOutput(row_pins[row]);
-    writePinLow(row_pins[row]);
-}
-
-static void unselect_row(uint8_t row) {
-    setPinInputHigh(row_pins[row]);
-}
-
-static void init_pins(void) {
-    unselect_rows();
-    // Set I/O
-    uint8_t send_data = 0x07;
-    i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x00, &send_data, 1, 20);
-    // Set Pull-up
-    i2c_writeReg((PORT_EXPANDER_ADDRESS << 1), 0x06, &send_data, 1, 20);
-
-    for (uint8_t x = 0; x < MATRIX_COLS; x++) {
-        if ( (x > 0) && (x < 12) ) {
-            setPinInputHigh(col_pins[x]);
-        }
-    }
-}
-
-void matrix_init_custom(void) {
-    // TODO: initialize hardware here
-    // Initialize I2C
-    i2c_init();
-
-    // initialize key pins
-    init_pins();
-    wait_ms(50);
-}
-
-static 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);
-    wait_us(30);
-
-    // For each col...
-    for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
-        uint8_t pin_state;
-        // Select the col pin to read (active low)
-        switch (col_index) {
-            case 0 :
-                i2c_readReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &pin_state, 1, 20);
-                pin_state = pin_state & 0x01;
-                break;
-            case 12 :
-                i2c_readReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &pin_state, 1, 20);
-                pin_state = pin_state & (1 << 2);
-                break;
-            case 13 :
-                i2c_readReg((PORT_EXPANDER_ADDRESS << 1), 0x09, &pin_state, 1, 20);
-                pin_state = pin_state & (1 << 1);
-                break;
-            default :
-                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]);
-}
-
-bool matrix_scan_custom(matrix_row_t current_matrix[]) {
-    bool matrix_has_changed = false;
-
-    // Set row, read cols
-    for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
-        matrix_has_changed |= read_cols_on_row(current_matrix, current_row);
-    }
-
-    return matrix_has_changed;
-}