From 9581289745736ce068a1040f44cec37a2ca8830d Mon Sep 17 00:00:00 2001
From: lokher <lokher@gmail.com>
Date: Tue, 13 Sep 2022 11:24:05 +0800
Subject: Remove non-Keychron keyboards

---
 keyboards/bpiphany/kitten_paw/matrix.c | 168 ---------------------------------
 1 file changed, 168 deletions(-)
 delete mode 100644 keyboards/bpiphany/kitten_paw/matrix.c

(limited to 'keyboards/bpiphany/kitten_paw/matrix.c')

diff --git a/keyboards/bpiphany/kitten_paw/matrix.c b/keyboards/bpiphany/kitten_paw/matrix.c
deleted file mode 100644
index 6548040c7c..0000000000
--- a/keyboards/bpiphany/kitten_paw/matrix.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
-  Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
-
-  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 <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-
-#ifndef DEBOUNCE
-#   define DEBOUNCE 5
-#endif
-static uint8_t debouncing = DEBOUNCE;
-
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-static uint8_t read_rows(void);
-static void select_col(uint8_t col);
-
-__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;
-}
-
-/* Column pin configuration
- *
- * col: 0    1    2    3    4    5    6    7
- * pin: PC7  PD5  PD3  PD1  PC2  PD6  PD4  PD2
- *
- * Rrr pin configuration
- *
- * These rrrs uses one 74HC154 4 to 16 bit demultiplexer (low
- * active), together with 2 rrrs driven directly from the micro
- * controller, to control the 18 rrrs. The rrrs are driven from
- * pins B6,5,4,3,2,1,0.
- */
-void matrix_init(void) {
-  DDRC  &= ~0b10000100;  // Row input pins
-  DDRD  &= ~0b01111110;
-  PORTC |=  0b10000100;
-  PORTD |=  0b01111110;
-
-  DDRB  |=  0b01111111;  // Column output pins
-
-  for (uint8_t i=0; i < MATRIX_ROWS; i++)  {
-    matrix[i] = 0;
-    matrix_debouncing[i] = 0;
-  }
-  matrix_init_quantum();
-}
-
-uint8_t matrix_scan(void) {
-  for (uint8_t col = 0; col < MATRIX_COLS; col++) {
-    select_col(col);
-    _delay_us(3);
-    uint8_t rows = read_rows();
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-      bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
-      bool curr_bit = rows & (1<<row);
-      if (prev_bit != curr_bit) {
-        matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
-        debouncing = DEBOUNCE;
-      }
-    }
-  }
-
-  if (debouncing) {
-    if (--debouncing) {
-      _delay_ms(1);
-    }
-    else {
-      for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        matrix[i] = matrix_debouncing[i];
-      }
-    }
-  }
-  matrix_scan_quantum();
-  return 1;
-}
-
-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++) {
-    xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
-  }
-}
-
-static uint8_t read_rows(void) {
-  return
-    (PINC&(1<<7) ? 0 : (1<<0)) |
-    (PIND&(1<<5) ? 0 : (1<<1)) |
-    (PIND&(1<<3) ? 0 : (1<<2)) |
-    (PIND&(1<<1) ? 0 : (1<<3)) |
-    (PINC&(1<<2) ? 0 : (1<<4)) |
-    (PIND&(1<<2) ? 0 : (1<<5)) |
-    (PIND&(1<<4) ? 0 : (1<<6)) |
-    (PIND&(1<<6) ? 0 : (1<<7));
-}
-
-static void select_col(uint8_t col) {
-  switch (col) {
-  case  0: PORTB = (PORTB & ~0b01111111) | 0b01100100; break;
-  case  1: PORTB = (PORTB & ~0b01111111) | 0b01101100; break;
-  case  2: PORTB = (PORTB & ~0b01111111) | 0b01100010; break;
-  case  3: PORTB = (PORTB & ~0b01111111) | 0b01111010; break;
-  case  4: PORTB = (PORTB & ~0b01111111) | 0b01100110; break;
-  case  5: PORTB = (PORTB & ~0b01111111) | 0b01110110; break;
-  case  6: PORTB = (PORTB & ~0b01111111) | 0b01101110; break;
-  case  7: PORTB = (PORTB & ~0b01111111) | 0b01111110; break;
-  case  8: PORTB = (PORTB & ~0b01111111) | 0b01000001; break;
-  case  9: PORTB = (PORTB & ~0b01111111) | 0b00100001; break;
-  case 10: PORTB = (PORTB & ~0b01111111) | 0b01101010; break;
-  case 11: PORTB = (PORTB & ~0b01111111) | 0b01110010; break;
-  case 12: PORTB = (PORTB & ~0b01111111) | 0b01111100; break;
-  case 13: PORTB = (PORTB & ~0b01111111) | 0b01110100; break;
-  case 14: PORTB = (PORTB & ~0b01111111) | 0b01111000; break;
-  case 15: PORTB = (PORTB & ~0b01111111) | 0b01110000; break;
-  case 16: PORTB = (PORTB & ~0b01111111) | 0b01100000; break;
-  case 17: PORTB = (PORTB & ~0b01111111) | 0b01101000; break;
-  }
-}
-- 
cgit v1.2.3