2 Copyright 2012 Jun Wako
3 Copyright 2014 Jack Humbert
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
30 #if (MATRIX_COLS <= 8)
31 # define print_matrix_header() print("\nr/c 01234567\n")
32 # define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
33 # define matrix_bitpop(i) bitpop(matrix[i])
34 # define ROW_SHIFTER ((uint8_t)1)
35 #elif (MATRIX_COLS <= 16)
36 # define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
37 # define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
38 # define matrix_bitpop(i) bitpop16(matrix[i])
39 # define ROW_SHIFTER ((uint16_t)1)
40 #elif (MATRIX_COLS <= 32)
41 # define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
42 # define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
43 # define matrix_bitpop(i) bitpop32(matrix[i])
44 # define ROW_SHIFTER ((uint32_t)1)
47 #define MAIN_ROWMASK 0xFFF0;
48 #define LOWER_ROWMASK 0x1F80;
50 /* matrix state(1:on, 0:off) */
51 static matrix_row_t matrix[MATRIX_ROWS];
53 __attribute__ ((weak))
54 void matrix_init_kb(void) {
58 __attribute__ ((weak))
59 void matrix_scan_kb(void) {
63 __attribute__ ((weak))
64 void matrix_init_user(void) {
67 __attribute__ ((weak))
68 void matrix_scan_user(void) {
72 uint8_t matrix_rows(void) {
77 uint8_t matrix_cols(void) {
81 void matrix_init(void) {
83 matrix_init_quantum();
86 uint8_t matrix_scan(void)
92 //the s character requests the RF slave to send the matrix
93 SERIAL_UART_DATA = 's';
95 //trust the external keystates entirely, erase the last data
96 uint8_t uart_data[7] = {0};
98 //there are 10 bytes corresponding to 10 columns, and an end byte
99 for (uint8_t i = 0; i < 7; i++) {
100 //wait for the serial data, timeout if it's been too long
101 //this only happened in testing with a loose wire, but does no
102 //harm to leave it in here
103 while(!SERIAL_UART_RXD_PRESENT){
105 if (timeout > 10000){
109 uart_data[i] = SERIAL_UART_DATA;
112 //check for the end packet, the key state bytes use the LSBs, so 0xE0
113 //will only show up here if the correct bytes were recieved
114 if (uart_data[6] == 0x96) { //this is an arbitrary binary checksum (10010110)
115 //shifting and transferring the keystates to the QMK matrix variable
116 //bits 1-12 are row 1, 13-24 are row 2, 25-36 are row 3,
117 //bits 37-42 are row 4 (only 6 wide, 1-3 are 0, and 10-12 are 0)
118 //bits 43-48 are row 5 (same as row 4)
119 /* ASSUMING MSB FIRST */
120 matrix[0] = (((uint16_t) uart_data[0] << 8) | ((uint16_t) uart_data[1])) & MAIN_ROWMASK;
121 matrix[1] = ((uint16_t) uart_data[1] << 12) | ((uint16_t) uart_data[2] << 4);
122 matrix[2] = (((uint16_t) uart_data[3] << 8) | ((uint16_t) uart_data[4])) & MAIN_ROWMASK;
123 matrix[3] = (((uint16_t) uart_data[4] << 9) | ((uint16_t) uart_data[5] << 1)) & LOWER_ROWMASK;
124 matrix[4] = ((uint16_t) uart_data[5] << 7) & LOWER_ROWMASK;
125 /* OK, TURNS OUT THAT WAS A BAD ASSUMPTION */
126 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
127 //I've unpacked these into the mirror image of what QMK expects them to be, so...
128 matrix[i] = ((matrix[i] * 0x0802LU & 0x22110LU) | (matrix[i] * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
129 //bithack mirror! Doesn't make any sense, but works - and efficiently.
134 matrix_scan_quantum();
139 bool matrix_is_on(uint8_t row, uint8_t col)
141 return (matrix[row] & ((matrix_row_t)1<col));
145 matrix_row_t matrix_get_row(uint8_t row)
150 void matrix_print(void)
152 print_matrix_header();
154 for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
155 phex(row); print(": ");
156 print_matrix_row(row);
161 uint8_t matrix_key_count(void)
164 for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
165 count += matrix_bitpop(i);