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-rwxr-xr-xkeyboards/dichotomy/matrix.c218
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diff --git a/keyboards/dichotomy/matrix.c b/keyboards/dichotomy/matrix.c
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--- a/keyboards/dichotomy/matrix.c
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-/*
-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 "dichotomy.h"
-#include "pointing_device.h"
-#include "report.h"
-#include "uart.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 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 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 ROW_SHIFTER ((uint32_t)1)
-#endif
-
-#define MAIN_ROWMASK 0xFFF0;
-#define LOWER_ROWMASK 0x3FC0;
-
-#define UART_MATRIX_RESPONSE_TIMEOUT 10000
-
-/* 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();
- uart_init(1000000);
-}
-
-uint8_t matrix_scan(void)
-{
- uint32_t timeout = 0;
-
- //the s character requests the RF slave to send the matrix
- uart_write('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(!uart_available()){
- timeout++;
- if (timeout > UART_MATRIX_RESPONSE_TIMEOUT) {
- break;
- }
- }
-
- if (timeout < UART_MATRIX_RESPONSE_TIMEOUT) {
- uart_data[i] = uart_read();
- } else {
- uart_data[i] = 0x00;
- }
- }
-
- //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
- uint8_t checksum = 0x00;
- for (uint8_t z = 0; z < 10; z++){
- checksum = checksum^uart_data[z];
- }
- checksum = checksum ^ (uart_data[10] & 0xF0);
- // Smash the checksum from 1 byte into 4 bits
- checksum = (checksum ^ ((checksum & 0xF0)>>4)) & 0x0F;
-//xprintf("\r\nGOT RAW PACKET: \r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d",uart_data[0],uart_data[1],uart_data[2],uart_data[3],uart_data[4],uart_data[5],uart_data[6],uart_data[7],uart_data[8],uart_data[9],uart_data[10],checksum);
- if ((uart_data[10] & 0x0F) == checksum) { //this is an arbitrary binary checksum (1001) (that would be 0x9.)
- //xprintf("\r\nGOT PACKET: \r\n%d\r\n%d\r\n%d\r\n%d\r\n%d\r\n%d",uart_data[0],uart_data[1],uart_data[2],uart_data[3],uart_data[4],uart_data[5]);
- //shifting and transferring the keystates to the QMK matrix variable
- //bits 1-12 are row 1, 13-24 are row 2, 25-36 are row 3,
- //bits 37-42 are row 4 (only 6 wide, 1-3 are 0, and 10-12 are 0)
- //bits 43-48 are row 5 (same as row 4)
- /* ASSUMING MSB FIRST */
- matrix[0] = (((uint16_t) uart_data[0] << 8) | ((uint16_t) uart_data[1])) & MAIN_ROWMASK;
- matrix[1] = ((uint16_t) uart_data[1] << 12) | ((uint16_t) uart_data[2] << 4);
- matrix[2] = (((uint16_t) uart_data[3] << 8) | ((uint16_t) uart_data[4])) & MAIN_ROWMASK;
- matrix[3] = (((uint16_t) uart_data[4] << 9) | ((uint16_t) uart_data[5] << 1)) & LOWER_ROWMASK;
- matrix[4] = (((uint16_t) uart_data[5] << 7) | ((uart_data[10] & 1<<7) ? 1:0) << 13 | ((uart_data[10] & 1<<6) ? 1:0) << 6) & LOWER_ROWMASK;
- /* OK, TURNS OUT THAT WAS A BAD ASSUMPTION */
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- //I've unpacked these into the mirror image of what QMK expects them to be, so...
- /*uint8_t halfOne = (matrix[i]>>8);
- uint8_t halfTwo = (matrix[i] & 0xFF);
- halfOne = ((halfOne * 0x0802LU & 0x22110LU) | (halfOne * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
- halfTwo = ((halfTwo * 0x0802LU & 0x22110LU) | (halfTwo * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
- matrix[i] = ((halfTwo<<8) & halfOne);*/
- //matrix[i] = ((matrix[i] * 0x0802LU & 0x22110LU) | (matrix[i] * 0x8020LU & 0x88440LU)) * 0x10101LU >> 16;
- matrix[i] = bitrev16(matrix[i]);
- //bithack mirror! Doesn't make any sense, but works - and efficiently.
- }
- //if (uart_data[6]!=0 || uart_data[7]!=0){
- //if (maxCount<101){
- // xprintf("\r\nMouse data: x=%d, y=%d",(int8_t)uart_data[6],(int8_t)uart_data[7]);
- //}
- report_mouse_t currentReport = {};
- //check for the end packet, bytes 1-4 are movement and scroll
- //but byte 5 has bits 0-3 for the scroll button state
- //(1000 if pressed, 0000 if not) and bits 4-7 are always 1
- //We can use this to verify the report sent properly.
-
- currentReport = pointing_device_get_report();
- //shifting and transferring the info to the mouse report varaible
- //mouseReport.x = 127 max -127 min
- currentReport.x = (int8_t) uart_data[6];
- //mouseReport.y = 127 max -127 min
- currentReport.y = (int8_t) uart_data[7];
- //mouseReport.v = 127 max -127 min (scroll vertical)
- currentReport.v = (int8_t) uart_data[8];
- //mouseReport.h = 127 max -127 min (scroll horizontal)
- currentReport.h = (int8_t) uart_data[9];
- /*
- currentReport.x = 0;
- currentReport.y = 0;
- currentReport.v = 0;
- currentReport.h = 0;*/
- pointing_device_set_report(currentReport);
- } else {
- //xprintf("\r\nRequested packet, data 10 was %d but checksum was %d",(uart_data[10] & 0x0F), (checksum & 0x0F));
- }
- //matrix_print();
-
- 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");
- }
-}