1 files changed, 292 insertions, 0 deletions
diff --git a/keyboards/dm9records/ergoinu/matrix.c b/keyboards/dm9records/ergoinu/matrix.c
new file mode 100644
index 0000000000..4a80cf9f24
--- /dev/null
+++ b/keyboards/dm9records/ergoinu/matrix.c
@@ -0,0 +1,292 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+
+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/>.
+*/
+
+/*
+ * scan matrix
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+#include "split_util.h"
+#include "quantum.h"
+
+#include "serial.h"
+
+#ifndef DEBOUNCE
+#  define DEBOUNCE	5
+#endif
+
+#define ERROR_DISCONNECT_COUNT 5
+
+static uint8_t debouncing = DEBOUNCE;
+static const int ROWS_PER_HAND = MATRIX_ROWS/2;
+static uint8_t error_count = 0;
+uint8_t is_master = 0 ;
+
+static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
+static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
+
+/* matrix state(1:on, 0:off) */
+static matrix_row_t matrix[MATRIX_ROWS];
+static matrix_row_t matrix_debouncing[MATRIX_ROWS];
+
+static matrix_row_t read_cols(void);
+static void init_cols(void);
+static void unselect_rows(void);
+static void select_row(uint8_t row);
+static uint8_t matrix_master_scan(void);
+
+
+__attribute__ ((weak))
+void matrix_init_kb(void) {
+  matrix_init_user();
+}
+
+__attribute__ ((weak))
+void matrix_scan_kb(void) {
+  matrix_scan_user();
+}
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+inline
+uint8_t matrix_rows(void) {
+  return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void) {
+  return MATRIX_COLS;
+}
+
+void matrix_init(void) {
+  debug_enable = true;
+  debug_matrix = true;
+  debug_mouse = true;
+  // initialize row and col
+  unselect_rows();
+  init_cols();
+
+  setPinOutput(B0);
+  setPinOutput(D5);
+
+  #ifdef DISABLE_PROMICRO_LEDs
+    writePinHigh(B0);
+    writePinHigh(D5);
+  #endif
+
+  // initialize matrix state: all keys off
+  for (uint8_t i=0; i < MATRIX_ROWS; i++) {
+      matrix[i] = 0;
+      matrix_debouncing[i] = 0;
+  }
+
+  is_master = has_usb();
+
+  matrix_init_quantum();
+}
+
+uint8_t _matrix_scan(void) {
+  // Right hand is stored after the left in the matirx so, we need to offset it
+  int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
+
+  for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
+      select_row(i);
+      _delay_us(30);  // without this wait read unstable value.
+      matrix_row_t cols = read_cols();
+      if (matrix_debouncing[i+offset] != cols) {
+          matrix_debouncing[i+offset] = cols;
+          debouncing = DEBOUNCE;
+      }
+      unselect_rows();
+  }
+
+  if (debouncing) {
+      if (--debouncing) {
+          _delay_ms(1);
+      } else {
+          for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
+              matrix[i+offset] = matrix_debouncing[i+offset];
+          }
+      }
+  }
+
+  return 1;
+}
+
+int serial_transaction(void) {
+  int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
+  int ret=serial_update_buffers();
+  if (ret ) {
+#ifndef DISABLE_PROMICRO_LEDs
+      if(ret==2) writePinLow(B0);
+#endif
+      return 1;
+  }
+#ifndef DISABLE_PROMICRO_LEDs
+  writePinHigh(B0);
+#endif
+  for (int i = 0; i < ROWS_PER_HAND; ++i) {
+      matrix[slaveOffset+i] = serial_slave_buffer[i];
+  }
+  return 0;
+}
+
+uint8_t matrix_scan(void) {
+  if (is_master) {
+    matrix_master_scan();
+  }else{
+    matrix_slave_scan();
+
+    int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
+
+    for (int i = 0; i < ROWS_PER_HAND; ++i) {
+      matrix[offset+i] = serial_master_buffer[i];
+    }
+
+    matrix_scan_quantum();
+  }
+  return 1;
+}
+
+
+uint8_t matrix_master_scan(void) {
+
+  int ret = _matrix_scan();
+
+  int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
+
+  for (int i = 0; i < ROWS_PER_HAND; ++i) {
+    serial_master_buffer[i] = matrix[offset+i];
+  }
+
+  if( serial_transaction() ) {
+#ifndef DISABLE_PROMICRO_LEDs
+    // turn on the indicator led when halves are disconnected
+    writePinLow(D5);
+#endif
+
+    error_count++;
+
+    if (error_count > ERROR_DISCONNECT_COUNT) {
+        // reset other half if disconnected
+      int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
+      for (int i = 0; i < ROWS_PER_HAND; ++i) {
+          matrix[slaveOffset+i] = 0;
+      }
+    }
+  } else {
+#ifndef DISABLE_PROMICRO_LEDs
+    // turn off the indicator led on no error
+    writePinHigh(D5);
+#endif
+    error_count = 0;
+  }
+  matrix_scan_quantum();
+  return ret;
+}
+
+void matrix_slave_scan(void) {
+  _matrix_scan();
+
+  int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
+
+  for (int i = 0; i < ROWS_PER_HAND; ++i) {
+    serial_slave_buffer[i] = matrix[offset+i];
+  }
+}
+
+bool matrix_is_modified(void)
+{
+  if (debouncing) return false;
+  return true;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+{
+  return (matrix[row] & ((matrix_row_t)1<<col));
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+  return matrix[row];
+}
+
+void matrix_print(void)
+{
+  print("\nr/c 0123456789ABCDEF\n");
+  for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+    phex(row); print(": ");
+    pbin_reverse16(matrix_get_row(row));
+    print("\n");
+  }
+}
+
+uint8_t matrix_key_count(void)
+{
+  uint8_t count = 0;
+  for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
+    count += bitpop16(matrix[i]);
+  }
+  return count;
+}
+
+static void  init_cols(void)
+{
+  for(int x = 0; x < MATRIX_COLS; x++) {
+    _SFR_IO8((col_pins[x] >> 4) + 1) &=  ~_BV(col_pins[x] & 0xF);
+    _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
+  }
+}
+
+static matrix_row_t read_cols(void)
+{
+  matrix_row_t result = 0;
+  for(int x = 0; x < MATRIX_COLS; x++) {
+    result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
+  }
+  return result;
+}
+
+static void unselect_rows(void)
+{
+  for(int x = 0; x < ROWS_PER_HAND; x++) {
+    _SFR_IO8((row_pins[x] >> 4) + 1) &=  ~_BV(row_pins[x] & 0xF);
+    _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
+  }
+}
+
+static void select_row(uint8_t row)
+{
+  _SFR_IO8((row_pins[row] >> 4) + 1) |=  _BV(row_pins[row] & 0xF);
+  _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
+}