- /*
- Copyright 2012 Jun Wako
- Copyright 2014 Jack Humbert
-
- 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>
- #if defined(__AVR__)
- #include <avr/io.h>
- #endif
- #include "wait.h"
- #include "print.h"
- #include "debug.h"
- #include "util.h"
- #include "matrix.h"
- #include "timer.h"
- #include "protocol/serial.h"
-
- #if (MATRIX_COLS <= 8)
- # define print_matrix_header() print("\nr/c 01234567\n")
- # define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
- # define matrix_bitpop(i) bitpop(matrix[i])
- # define ROW_SHIFTER ((uint8_t)1)
- #elif (MATRIX_COLS <= 16)
- # define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
- # define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
- # define matrix_bitpop(i) bitpop16(matrix[i])
- # define ROW_SHIFTER ((uint16_t)1)
- #elif (MATRIX_COLS <= 32)
- # define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
- # define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
- # define matrix_bitpop(i) bitpop32(matrix[i])
- # define ROW_SHIFTER ((uint32_t)1)
- #elif (MATRIX_COLS <= 64)
- # define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF\n")
- # define print_matrix_row(row) print_bin_reverse64(matrix_get_row(row))
- # define matrix_bitpop(i) bitpop64(matrix[i])
- # define ROW_SHIFTER ((uint64_t)1)
- #endif
-
- /* matrix state(1:on, 0:off) */
- static matrix_row_t matrix[MATRIX_ROWS];
-
- __attribute__ ((weak))
- void matrix_init_quantum(void) {
- matrix_init_kb();
- }
-
- __attribute__ ((weak))
- void matrix_scan_quantum(void) {
- matrix_scan_kb();
- }
-
- __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) {
- matrix_init_quantum();
- serial_init();
- }
-
- uint8_t matrix_scan(void)
- {
- uint32_t timeout = 0;
-
- //the s character requests the RF slave to send the matrix
- SERIAL_UART_DATA = 's';
-
- //trust the external keystates entirely, erase the last data
- uint8_t uart_data[11] = {0};
-
- //there are 10 bytes corresponding to 10 columns, and an end byte
- for (uint8_t i = 0; i < 11; i++) {
- //wait for the serial data, timeout if it's been too long
- //this only happened in testing with a loose wire, but does no
- //harm to leave it in here
- while(!SERIAL_UART_RXD_PRESENT){
- timeout++;
- if (timeout > 10000){
- break;
- }
- }
- uart_data[i] = SERIAL_UART_DATA;
- }
-
- //check for the end packet, the key state bytes use the LSBs, so 0xE0
- //will only show up here if the correct bytes were recieved
- if (uart_data[10] == 0xE0)
- {
- //shifting and transferring the keystates to the QMK matrix variable
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = (uint16_t) uart_data[i*2] | (uint16_t) uart_data[i*2+1] << 5;
- }
- }
-
-
- 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_matrix_header();
-
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- print_hex8(row); print(": ");
- print_matrix_row(row);
- print("\n");
- }
- }
-
- uint8_t matrix_key_count(void)
- {
- uint8_t count = 0;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- count += matrix_bitpop(i);
- }
- return count;
- }
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