From 649b33d7783cf3021928534b7ae127e0a89e8807 Mon Sep 17 00:00:00 2001 From: Jack Humbert Date: Tue, 21 Jun 2016 22:39:54 -0400 Subject: Renames keyboard folder to keyboards, adds couple of tmk's fixes (#432) * fixes from tmk's repo * rename keyboard to keyboards --- keyboards/ergodox_ez/matrix.c | 363 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 363 insertions(+) create mode 100644 keyboards/ergodox_ez/matrix.c (limited to 'keyboards/ergodox_ez/matrix.c') diff --git a/keyboards/ergodox_ez/matrix.c b/keyboards/ergodox_ez/matrix.c new file mode 100644 index 000000000..2a7dfba21 --- /dev/null +++ b/keyboards/ergodox_ez/matrix.c @@ -0,0 +1,363 @@ +/* + +Note for ErgoDox EZ customizers: Here be dragons! +This is not a file you want to be messing with. +All of the interesting stuff for you is under keymaps/ :) +Love, Erez + +Copyright 2013 Oleg Kostyuk + +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 . +*/ + +/* + * scan matrix + */ +#include +#include +#include +#include +#include "action_layer.h" +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" +#include "ergodox_ez.h" +#include "i2cmaster.h" +#ifdef DEBUG_MATRIX_SCAN_RATE +#include "timer.h" +#endif + +#ifndef DEBOUNCE +# define DEBOUNCE 5 +#endif +static uint8_t debouncing = DEBOUNCE; + +/* 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(uint8_t row); +static void init_cols(void); +static void unselect_rows(void); +static void select_row(uint8_t row); + +static uint8_t mcp23018_reset_loop; + +#ifdef DEBUG_MATRIX_SCAN_RATE +uint32_t matrix_timer; +uint32_t matrix_scan_count; +#endif + + +__attribute__ ((weak)) +void matrix_init_kb(void) { +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { +} + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + // initialize row and col + + mcp23018_status = init_mcp23018(); + + + unselect_rows(); + init_cols(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + +#ifdef DEBUG_MATRIX_SCAN_RATE + matrix_timer = timer_read32(); + matrix_scan_count = 0; +#endif + + matrix_init_kb(); + +} + +void matrix_power_up(void) { + mcp23018_status = init_mcp23018(); + + unselect_rows(); + init_cols(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) { + matrix[i] = 0; + matrix_debouncing[i] = 0; + } + +#ifdef DEBUG_MATRIX_SCAN_RATE + matrix_timer = timer_read32(); + matrix_scan_count = 0; +#endif + +} + +uint8_t matrix_scan(void) +{ + if (mcp23018_status) { // if there was an error + if (++mcp23018_reset_loop == 0) { + // since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans + // this will be approx bit more frequent than once per second + print("trying to reset mcp23018\n"); + mcp23018_status = init_mcp23018(); + if (mcp23018_status) { + print("left side not responding\n"); + } else { + print("left side attached\n"); + ergodox_blink_all_leds(); + } + } + } + +#ifdef DEBUG_MATRIX_SCAN_RATE + matrix_scan_count++; + + uint32_t timer_now = timer_read32(); + if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) { + print("matrix scan frequency: "); + pdec(matrix_scan_count); + print("\n"); + + matrix_timer = timer_now; + matrix_scan_count = 0; + } +#endif + + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + select_row(i); + matrix_row_t cols = read_cols(i); + if (matrix_debouncing[i] != cols) { + matrix_debouncing[i] = cols; + if (debouncing) { + debug("bounce!: "); debug_hex(debouncing); debug("\n"); + } + debouncing = DEBOUNCE; + } + unselect_rows(); + } + + if (debouncing) { + if (--debouncing) { + _delay_ms(1); + } else { + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + matrix[i] = matrix_debouncing[i]; + } + } + } + + + matrix_scan_kb(); + + return 1; +} + +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<