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Avoid 8-bit timer overflows in debounce algorithms (#12240)

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* Add fast_timer_t that is 16-bit or 32-bit based on architecture

A 16-bit timer will overflow sooner but be faster to compare on AVR.

* Avoid 8-bit timer overflows in debounce algorithms

Count down remaining elapsed time instead of trying to do 8-bit timer
comparisons.

Add a "none" implementation that is automatically used if DEBOUNCE is
0 otherwise it will break the _pk/_pr count down.

* Avoid unnecessary polling of the entire matrix in sym_eager_pk

The matrix only needs to be updated when a debounce timer expires.

* Avoid unnecessary polling of the entire matrix in sym_eager_pr

The matrix only needs to be updated when a debounce timer expires.

The use of the "needed_update" variable is trying to do what
"matrix_need_update" was added to fix but didn't work because it only
applied when all keys finished debouncing.

* Fix sym_defer_g timing inconsistency compared to other debounce algorithms

DEBOUNCE=5 should process the key after 5ms, not 6ms

* Add debounce tests
This commit is contained in:
Simon Arlott 2021-06-09 08:23:21 +01:00 committed by GitHub
parent f287597c19
commit b829a1d264
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
20 changed files with 1588 additions and 92 deletions
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1
build_test.mk
View file

@ -49,6 +49,7 @@ endif
include common_features.mk
include $(TMK_PATH)/common.mk
include $(QUANTUM_PATH)/debounce/tests/rules.mk
include $(QUANTUM_PATH)/sequencer/tests/rules.mk
include $(QUANTUM_PATH)/serial_link/tests/rules.mk
ifneq ($(filter $(FULL_TESTS),$(TEST)),)

2
quantum/debounce.h
View file

@ -9,3 +9,5 @@ void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool
bool debounce_active(void);
void debounce_init(uint8_t num_rows);
void debounce_free(void);

31
quantum/debounce/none.c Normal file
View file

@ -0,0 +1,31 @@
/* Copyright 2021 Simon Arlott
*
* 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 "matrix.h"
#include "quantum.h"
#include <stdlib.h>
void debounce_init(uint8_t num_rows) {}
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
for (int i = 0; i < num_rows; i++) {
cooked[i] = raw[i];
}
}
bool debounce_active(void) { return false; }
void debounce_free(void) {}

26
quantum/debounce/sym_defer_g.c
View file

@ -1,5 +1,6 @@
/*
Copyright 2017 Alex Ong<the.onga@gmail.com>
Copyright 2021 Simon Arlott
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
@ -23,30 +24,29 @@ When no state changes have occured for DEBOUNCE milliseconds, we push the state.
# define DEBOUNCE 5
#endif
void debounce_init(uint8_t num_rows) {}
static bool debouncing = false;
#if DEBOUNCE > 0
static uint16_t debouncing_time;
static bool debouncing = false;
static fast_timer_t debouncing_time;
void debounce_init(uint8_t num_rows) {}
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
if (changed) {
debouncing = true;
debouncing_time = timer_read();
debouncing_time = timer_read_fast();
}
if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
if (debouncing && timer_elapsed_fast(debouncing_time) >= DEBOUNCE) {
for (int i = 0; i < num_rows; i++) {
cooked[i] = raw[i];
}
debouncing = false;
}
}
#else // no debouncing.
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
for (int i = 0; i < num_rows; i++) {
cooked[i] = raw[i];
}
}
#endif
bool debounce_active(void) { return debouncing; }
void debounce_free(void) {}
#else // no debouncing.
# include "none.c"
#endif

67
quantum/debounce/sym_defer_pk.c
View file

@ -1,6 +1,7 @@
/*
Copyright 2017 Alex Ong<the.onga@gmail.com>
Copyright 2020 Andrei Purdea<andrei@purdea.ro>
Copyright 2021 Simon Arlott
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
@ -33,28 +34,25 @@ When no state changes have occured for DEBOUNCE milliseconds, we push the state.
# define DEBOUNCE 5
#endif
// Maximum debounce: 255ms
#if DEBOUNCE > UINT8_MAX
# undef DEBOUNCE
# define DEBOUNCE UINT8_MAX
#endif
#define ROW_SHIFTER ((matrix_row_t)1)
#define debounce_counter_t uint8_t
typedef uint8_t debounce_counter_t;
#if DEBOUNCE > 0
static debounce_counter_t *debounce_counters;
static fast_timer_t last_time;
static bool counters_need_update;
#define DEBOUNCE_ELAPSED 251
#define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1)
#define DEBOUNCE_ELAPSED 0
static uint8_t wrapping_timer_read(void) {
static uint16_t time = 0;
static uint8_t last_result = 0;
uint16_t new_time = timer_read();
uint16_t diff = new_time - time;
time = new_time;
last_result = (last_result + diff) % (MAX_DEBOUNCE + 1);
return last_result;
}
void update_debounce_counters_and_transfer_if_expired(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time);
void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time);
static void update_debounce_counters_and_transfer_if_expired(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t elapsed_time);
static void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows);
// we use num_rows rather than MATRIX_ROWS to support split keyboards
void debounce_init(uint8_t num_rows) {
@ -67,27 +65,49 @@ void debounce_init(uint8_t num_rows) {
}
}
void debounce_free(void) {
free(debounce_counters);
debounce_counters = NULL;
}
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
uint8_t current_time = wrapping_timer_read();
bool updated_last = false;
if (counters_need_update) {
update_debounce_counters_and_transfer_if_expired(raw, cooked, num_rows, current_time);
fast_timer_t now = timer_read_fast();
fast_timer_t elapsed_time = TIMER_DIFF_FAST(now, last_time);
last_time = now;
updated_last = true;
if (elapsed_time > UINT8_MAX) {
elapsed_time = UINT8_MAX;
}
if (elapsed_time > 0) {
update_debounce_counters_and_transfer_if_expired(raw, cooked, num_rows, elapsed_time);
}
}
if (changed) {
start_debounce_counters(raw, cooked, num_rows, current_time);
if (!updated_last) {
last_time = timer_read_fast();
}
start_debounce_counters(raw, cooked, num_rows);
}
}
void update_debounce_counters_and_transfer_if_expired(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) {
static void update_debounce_counters_and_transfer_if_expired(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t elapsed_time) {
counters_need_update = false;
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
if (*debounce_pointer != DEBOUNCE_ELAPSED) {
if (TIMER_DIFF(current_time, *debounce_pointer, MAX_DEBOUNCE) >= DEBOUNCE) {
if (*debounce_pointer <= elapsed_time) {
*debounce_pointer = DEBOUNCE_ELAPSED;
cooked[row] = (cooked[row] & ~(ROW_SHIFTER << col)) | (raw[row] & (ROW_SHIFTER << col));
} else {
*debounce_pointer -= elapsed_time;
counters_need_update = true;
}
}
@ -96,14 +116,14 @@ void update_debounce_counters_and_transfer_if_expired(matrix_row_t raw[], matrix
}
}
void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) {
static void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows) {
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
matrix_row_t delta = raw[row] ^ cooked[row];
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
if (delta & (ROW_SHIFTER << col)) {
if (*debounce_pointer == DEBOUNCE_ELAPSED) {
*debounce_pointer = current_time;
*debounce_pointer = DEBOUNCE;
counters_need_update = true;
}
} else {
@ -115,3 +135,6 @@ void start_debounce_counters(matrix_row_t raw[], matrix_row_t cooked[], uint8_t
}
bool debounce_active(void) { return true; }
#else
# include "none.c"
#endif

72
quantum/debounce/sym_eager_pk.c
View file

@ -1,5 +1,6 @@
/*
Copyright 2017 Alex Ong<the.onga@gmail.com>
Copyright 2021 Simon Arlott
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
@ -33,29 +34,26 @@ No further inputs are accepted until DEBOUNCE milliseconds have occurred.
# define DEBOUNCE 5
#endif
// Maximum debounce: 255ms
#if DEBOUNCE > UINT8_MAX
# undef DEBOUNCE
# define DEBOUNCE UINT8_MAX
#endif
#define ROW_SHIFTER ((matrix_row_t)1)
#define debounce_counter_t uint8_t
typedef uint8_t debounce_counter_t;
#if DEBOUNCE > 0
static debounce_counter_t *debounce_counters;
static fast_timer_t last_time;
static bool counters_need_update;
static bool matrix_need_update;
#define DEBOUNCE_ELAPSED 251
#define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1)
#define DEBOUNCE_ELAPSED 0
static uint8_t wrapping_timer_read(void) {
static uint16_t time = 0;
static uint8_t last_result = 0;
uint16_t new_time = timer_read();
uint16_t diff = new_time - time;
time = new_time;
last_result = (last_result + diff) % (MAX_DEBOUNCE + 1);
return last_result;
}
void update_debounce_counters(uint8_t num_rows, uint8_t current_time);
void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time);
static void update_debounce_counters(uint8_t num_rows, uint8_t elapsed_time);
static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows);
// we use num_rows rather than MATRIX_ROWS to support split keyboards
void debounce_init(uint8_t num_rows) {
@ -68,27 +66,51 @@ void debounce_init(uint8_t num_rows) {
}
}
void debounce_free(void) {
free(debounce_counters);
debounce_counters = NULL;
}
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
uint8_t current_time = wrapping_timer_read();
bool updated_last = false;
if (counters_need_update) {
update_debounce_counters(num_rows, current_time);
fast_timer_t now = timer_read_fast();
fast_timer_t elapsed_time = TIMER_DIFF_FAST(now, last_time);
last_time = now;
updated_last = true;
if (elapsed_time > UINT8_MAX) {
elapsed_time = UINT8_MAX;
}
if (elapsed_time > 0) {
update_debounce_counters(num_rows, elapsed_time);
}
}
if (changed || matrix_need_update) {
transfer_matrix_values(raw, cooked, num_rows, current_time);
if (!updated_last) {
last_time = timer_read_fast();
}
transfer_matrix_values(raw, cooked, num_rows);
}
}
// If the current time is > debounce counter, set the counter to enable input.
void update_debounce_counters(uint8_t num_rows, uint8_t current_time) {
static void update_debounce_counters(uint8_t num_rows, uint8_t elapsed_time) {
counters_need_update = false;
matrix_need_update = false;
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
for (uint8_t col = 0; col < MATRIX_COLS; col++) {
if (*debounce_pointer != DEBOUNCE_ELAPSED) {
if (TIMER_DIFF(current_time, *debounce_pointer, MAX_DEBOUNCE) >= DEBOUNCE) {
if (*debounce_pointer <= elapsed_time) {
*debounce_pointer = DEBOUNCE_ELAPSED;
matrix_need_update = true;
} else {
*debounce_pointer -= elapsed_time;
counters_need_update = true;
}
}
@ -98,8 +120,7 @@ void update_debounce_counters(uint8_t num_rows, uint8_t current_time) {
}
// upload from raw_matrix to final matrix;
void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) {
matrix_need_update = false;
static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows) {
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
matrix_row_t delta = raw[row] ^ cooked[row];
@ -108,11 +129,9 @@ void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t n
matrix_row_t col_mask = (ROW_SHIFTER << col);
if (delta & col_mask) {
if (*debounce_pointer == DEBOUNCE_ELAPSED) {
*debounce_pointer = current_time;
*debounce_pointer = DEBOUNCE;
counters_need_update = true;
existing_row ^= col_mask; // flip the bit.
} else {
matrix_need_update = true;
}
}
debounce_pointer++;
@ -122,3 +141,6 @@ void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t n
}
bool debounce_active(void) { return true; }
#else
# include "none.c"
#endif

76
quantum/debounce/sym_eager_pr.c
View file

@ -1,5 +1,6 @@
/*
Copyright 2019 Alex Ong<the.onga@gmail.com>
Copyright 2021 Simon Arlott
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
@ -33,27 +34,25 @@ No further inputs are accepted until DEBOUNCE milliseconds have occurred.
# define DEBOUNCE 5
#endif
#define debounce_counter_t uint8_t
// Maximum debounce: 255ms
#if DEBOUNCE > UINT8_MAX
# undef DEBOUNCE
# define DEBOUNCE UINT8_MAX
#endif
typedef uint8_t debounce_counter_t;
#if DEBOUNCE > 0
static bool matrix_need_update;
static debounce_counter_t *debounce_counters;
static fast_timer_t last_time;
static bool counters_need_update;
#define DEBOUNCE_ELAPSED 251
#define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1)
#define DEBOUNCE_ELAPSED 0
static uint8_t wrapping_timer_read(void) {
static uint16_t time = 0;
static uint8_t last_result = 0;
uint16_t new_time = timer_read();
uint16_t diff = new_time - time;
time = new_time;
last_result = (last_result + diff) % (MAX_DEBOUNCE + 1);
return last_result;
}
void update_debounce_counters(uint8_t num_rows, uint8_t current_time);
void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time);
static void update_debounce_counters(uint8_t num_rows, uint8_t elapsed_time);
static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows);
// we use num_rows rather than MATRIX_ROWS to support split keyboards
void debounce_init(uint8_t num_rows) {
@ -63,27 +62,50 @@ void debounce_init(uint8_t num_rows) {
}
}
void debounce_free(void) {
free(debounce_counters);
debounce_counters = NULL;
}
void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool changed) {
uint8_t current_time = wrapping_timer_read();
bool needed_update = counters_need_update;
bool updated_last = false;
if (counters_need_update) {
update_debounce_counters(num_rows, current_time);
fast_timer_t now = timer_read_fast();
fast_timer_t elapsed_time = TIMER_DIFF_FAST(now, last_time);
last_time = now;
updated_last = true;
if (elapsed_time > UINT8_MAX) {
elapsed_time = UINT8_MAX;
}
if (changed || (needed_update && !counters_need_update) || matrix_need_update) {
transfer_matrix_values(raw, cooked, num_rows, current_time);
if (elapsed_time > 0) {
update_debounce_counters(num_rows, elapsed_time);
}
}
if (changed || matrix_need_update) {
if (!updated_last) {
last_time = timer_read_fast();
}
transfer_matrix_values(raw, cooked, num_rows);
}
}
// If the current time is > debounce counter, set the counter to enable input.
void update_debounce_counters(uint8_t num_rows, uint8_t current_time) {
static void update_debounce_counters(uint8_t num_rows, uint8_t elapsed_time) {
counters_need_update = false;
matrix_need_update = false;
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
if (*debounce_pointer != DEBOUNCE_ELAPSED) {
if (TIMER_DIFF(current_time, *debounce_pointer, MAX_DEBOUNCE) >= DEBOUNCE) {
if (*debounce_pointer <= elapsed_time) {
*debounce_pointer = DEBOUNCE_ELAPSED;
matrix_need_update = true;
} else {
*debounce_pointer -= elapsed_time;
counters_need_update = true;
}
}
@ -92,8 +114,7 @@ void update_debounce_counters(uint8_t num_rows, uint8_t current_time) {
}
// upload from raw_matrix to final matrix;
void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) {
matrix_need_update = false;
static void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows) {
debounce_counter_t *debounce_pointer = debounce_counters;
for (uint8_t row = 0; row < num_rows; row++) {
matrix_row_t existing_row = cooked[row];
@ -102,11 +123,9 @@ void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t n
// determine new value basd on debounce pointer + raw value
if (existing_row != raw_row) {
if (*debounce_pointer == DEBOUNCE_ELAPSED) {
*debounce_pointer = current_time;
*debounce_pointer = DEBOUNCE;
cooked[row] = raw_row;
counters_need_update = true;
} else {
matrix_need_update = true;
}
}
debounce_pointer++;
@ -114,3 +133,6 @@ void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t n
}
bool debounce_active(void) { return true; }
#else
# include "none.c"
#endif

229
quantum/debounce/tests/debounce_test_common.cpp Normal file
View file

@ -0,0 +1,229 @@
/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include "debounce_test_common.h"
#include <algorithm>
#include <iomanip>
#include <sstream>
extern "C" {
#include "quantum.h"
#include "timer.h"
#include "debounce.h"
void set_time(uint32_t t);
void advance_time(uint32_t ms);
}
void DebounceTest::addEvents(std::initializer_list<DebounceTestEvent> events) {
events_.insert(events_.end(), events.begin(), events.end());
}
void DebounceTest::runEvents() {
/* Run the test multiple times, from 1kHz to 10kHz scan rate */
for (extra_iterations_ = 0; extra_iterations_ < 10; extra_iterations_++) {
if (time_jumps_) {
/* Don't advance time smoothly, jump to the next event (some tests require this) */
auto_advance_time_ = false;
runEventsInternal();
} else {
/* Run the test with both smooth and irregular time; it must produce the same result */
auto_advance_time_ = true;
runEventsInternal();
auto_advance_time_ = false;
runEventsInternal();
}
}
}
void DebounceTest::runEventsInternal() {
fast_timer_t previous = 0;
bool first = true;
/* Initialise keyboard with start time (offset to avoid testing at 0) and all keys UP */
debounce_init(MATRIX_ROWS);
set_time(time_offset_);
std::fill(std::begin(input_matrix_), std::end(input_matrix_), 0);
std::fill(std::begin(output_matrix_), std::end(output_matrix_), 0);
for (auto &event : events_) {
if (!auto_advance_time_) {
/* Jump to the next event */
set_time(time_offset_ + event.time_);
} else if (!first && event.time_ == previous + 1) {
/* This event immediately follows the previous one, don't make extra debounce() calls */
advance_time(1);
} else {
/* Fast forward to the time for this event, calling debounce() with no changes */
ASSERT_LT((time_offset_ + event.time_) - timer_read_fast(), 60000) << "Test tries to advance more than 1 minute of time";
while (timer_read_fast() != time_offset_ + event.time_) {
runDebounce(false);
checkCookedMatrix(false, "debounce() modified cooked matrix");
advance_time(1);
}
}
first = false;
previous = event.time_;
/* Prepare input matrix */
for (auto &input : event.inputs_) {
matrixUpdate(input_matrix_, "input", input);
}
/* Call debounce */
runDebounce(!event.inputs_.empty());
/* Prepare output matrix */
for (auto &output : event.outputs_) {
matrixUpdate(output_matrix_, "output", output);
}
/* Check output matrix has expected change events */
for (auto &output : event.outputs_) {
EXPECT_EQ(!!(cooked_matrix_[output.row_] & (1U << output.col_)), directionValue(output.direction_))
<< "Missing event at " << strTime()
<< " expected key " << output.row_ << "," << output.col_ << " " << directionLabel(output.direction_)
<< "\ninput_matrix: changed=" << !event.inputs_.empty() << "\n" << strMatrix(input_matrix_)
<< "\nexpected_matrix:\n" << strMatrix(output_matrix_)
<< "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
}
/* Check output matrix has no other changes */
checkCookedMatrix(!event.inputs_.empty(), "debounce() cooked matrix does not match expected output matrix");
/* Perform some extra iterations of the matrix scan with no changes */
for (int i = 0; i < extra_iterations_; i++) {
runDebounce(false);
checkCookedMatrix(false, "debounce() modified cooked matrix");
}
}
/* Check that no further changes happen for 1 minute */
for (int i = 0; i < 60000; i++) {
runDebounce(false);
checkCookedMatrix(false, "debounce() modified cooked matrix");
advance_time(1);
}
debounce_free();
}
void DebounceTest::runDebounce(bool changed) {
std::copy(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_));
std::copy(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_));
debounce(raw_matrix_, cooked_matrix_, MATRIX_ROWS, changed);
if (!std::equal(std::begin(input_matrix_), std::end(input_matrix_), std::begin(raw_matrix_))) {
FAIL() << "Fatal error: debounce() modified raw matrix at " << strTime()
<< "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_)
<< "\nraw_matrix:\n" << strMatrix(raw_matrix_);
}
}
void DebounceTest::checkCookedMatrix(bool changed, const std::string &error_message) {
if (!std::equal(std::begin(output_matrix_), std::end(output_matrix_), std::begin(cooked_matrix_))) {
FAIL() << "Unexpected event: " << error_message << " at " << strTime()
<< "\ninput_matrix: changed=" << changed << "\n" << strMatrix(input_matrix_)
<< "\nexpected_matrix:\n" << strMatrix(output_matrix_)
<< "\nactual_matrix:\n" << strMatrix(cooked_matrix_);
}
}
std::string DebounceTest::strTime() {
std::stringstream text;
text << "time " << (timer_read_fast() - time_offset_)
<< " (extra_iterations=" << extra_iterations_
<< ", auto_advance_time=" << auto_advance_time_ << ")";
return text.str();
}
std::string DebounceTest::strMatrix(matrix_row_t matrix[]) {
std::stringstream text;
text << "\t" << std::setw(3) << "";
for (int col = 0; col < MATRIX_COLS; col++) {
text << " " << std::setw(2) << col;
}
text << "\n";
for (int row = 0; row < MATRIX_ROWS; row++) {
text << "\t" << std::setw(2) << row << ":";
for (int col = 0; col < MATRIX_COLS; col++) {
text << ((matrix[row] & (1U << col)) ? " XX" : " __");
}
text << "\n";
}
return text.str();
}
bool DebounceTest::directionValue(Direction direction) {
switch (direction) {
case DOWN:
return true;
case UP:
return false;
}
}
std::string DebounceTest::directionLabel(Direction direction) {
switch (direction) {
case DOWN:
return "DOWN";
case UP:
return "UP";
}
}
/* Modify a matrix and verify that events always specify a change */
void DebounceTest::matrixUpdate(matrix_row_t matrix[], const std::string &name, const MatrixTestEvent &event) {
ASSERT_NE(!!(matrix[event.row_] & (1U << event.col_)), directionValue(event.direction_))
<< "Test " << name << " at " << strTime()
<< " sets key " << event.row_ << "," << event.col_ << " " << directionLabel(event.direction_)
<< " but it is already " << directionLabel(event.direction_)
<< "\n" << name << "_matrix:\n" << strMatrix(matrix);
switch (event.direction_) {
case DOWN:
matrix[event.row_] |= (1U << event.col_);
break;
case UP:
matrix[event.row_] &= ~(1U << event.col_);
break;
}
}
DebounceTestEvent::DebounceTestEvent(fast_timer_t time,
std::initializer_list<MatrixTestEvent> inputs,
std::initializer_list<MatrixTestEvent> outputs)
: time_(time), inputs_(inputs), outputs_(outputs) {
}
MatrixTestEvent::MatrixTestEvent(int row, int col, Direction direction)
: row_(row), col_(col), direction_(direction) {
}

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/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include <initializer_list>
#include <list>
#include <string>
extern "C" {
#include "quantum.h"
#include "timer.h"
}
enum Direction {
DOWN,
UP,
};
class MatrixTestEvent {
public:
MatrixTestEvent(int row, int col, Direction direction);
const int row_;
const int col_;
const Direction direction_;
};
class DebounceTestEvent {
public:
// 0, {{0, 1, DOWN}}, {{0, 1, DOWN}})
DebounceTestEvent(fast_timer_t time,
std::initializer_list<MatrixTestEvent> inputs,
std::initializer_list<MatrixTestEvent> outputs);
const fast_timer_t time_;
const std::list<MatrixTestEvent> inputs_;
const std::list<MatrixTestEvent> outputs_;
};
class DebounceTest : public ::testing::Test {
protected:
void addEvents(std::initializer_list<DebounceTestEvent> events);
void runEvents();
fast_timer_t time_offset_ = 7777;
bool time_jumps_ = false;
private:
static bool directionValue(Direction direction);
static std::string directionLabel(Direction direction);
void runEventsInternal();
void runDebounce(bool changed);
void checkCookedMatrix(bool changed, const std::string &error_message);
void matrixUpdate(matrix_row_t matrix[], const std::string &name, const MatrixTestEvent &event);
std::string strTime();
std::string strMatrix(matrix_row_t matrix[]);
std::list<DebounceTestEvent> events_;
matrix_row_t input_matrix_[MATRIX_ROWS];
matrix_row_t raw_matrix_[MATRIX_ROWS];
matrix_row_t cooked_matrix_[MATRIX_ROWS];
matrix_row_t output_matrix_[MATRIX_ROWS];
int extra_iterations_;
bool auto_advance_time_;
};

39
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# Copyright 2021 Simon Arlott
#
# 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/>.
DEBOUNCE_COMMON_DEFS := -DMATRIX_ROWS=4 -DMATRIX_COLS=10 -DDEBOUNCE=5
DEBOUNCE_COMMON_SRC := $(QUANTUM_PATH)/debounce/tests/debounce_test_common.cpp \
$(TMK_PATH)/common/test/timer.c
debounce_sym_defer_g_DEFS := $(DEBOUNCE_COMMON_DEFS)
debounce_sym_defer_g_SRC := $(DEBOUNCE_COMMON_SRC) \
$(QUANTUM_PATH)/debounce/sym_defer_g.c \
$(QUANTUM_PATH)/debounce/tests/sym_defer_g_tests.cpp
debounce_sym_defer_pk_DEFS := $(DEBOUNCE_COMMON_DEFS)
debounce_sym_defer_pk_SRC := $(DEBOUNCE_COMMON_SRC) \
$(QUANTUM_PATH)/debounce/sym_defer_pk.c \
$(QUANTUM_PATH)/debounce/tests/sym_defer_pk_tests.cpp
debounce_sym_eager_pk_DEFS := $(DEBOUNCE_COMMON_DEFS)
debounce_sym_eager_pk_SRC := $(DEBOUNCE_COMMON_SRC) \
$(QUANTUM_PATH)/debounce/sym_eager_pk.c \
$(QUANTUM_PATH)/debounce/tests/sym_eager_pk_tests.cpp
debounce_sym_eager_pr_DEFS := $(DEBOUNCE_COMMON_DEFS)
debounce_sym_eager_pr_SRC := $(DEBOUNCE_COMMON_SRC) \
$(QUANTUM_PATH)/debounce/sym_eager_pr.c \
$(QUANTUM_PATH)/debounce/tests/sym_eager_pr_tests.cpp

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/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include "debounce_test_common.h"
TEST_F(DebounceTest, OneKeyShort1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 0ms delay (fast scan rate) */
{5, {{0, 1, UP}}, {}},
{10, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 1ms delay */
{6, {{0, 1, UP}}, {}},
{11, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 2ms delay */
{7, {{0, 1, UP}}, {}},
{12, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyTooQuick1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Release key exactly on the debounce time */
{5, {{0, 1, UP}}, {}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyTooQuick2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {{0, 1, UP}}, {}},
/* Press key exactly on the debounce time */
{11, {{0, 1, DOWN}}, {}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {}},
{6, {{0, 1, DOWN}}, {}},
{11, {}, {{0, 1, DOWN}}}, /* 5ms after DOWN at time 7 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {{0, 1, UP}}, {}},
{7, {{0, 1, DOWN}}, {}},
{8, {{0, 1, UP}}, {}},
{9, {{0, 1, DOWN}}, {}},
{10, {{0, 1, UP}}, {}},
{15, {}, {{0, 1, UP}}}, /* 5ms after UP at time 10 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyLong) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{25, {{0, 1, UP}}, {}},
{30, {}, {{0, 1, UP}}},
{50, {{0, 1, DOWN}}, {}},
{55, {}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysShort) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 2, DOWN}}, {}},
{6, {}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{7, {{0, 1, UP}}, {}},
{8, {{0, 2, UP}}, {}},
{13, {}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}, {0, 2, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{6, {{0, 1, UP}, {0, 2, UP}}, {}},
{11, {}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 2, DOWN}}, {}},
{5, {}, {}},
{6, {}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{7, {{0, 1, UP}}, {}},
{8, {{0, 2, UP}}, {}},
{13, {}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is very late */
{300, {}, {{0, 1, DOWN}}},
/* Immediately release key */
{300, {{0, 1, UP}}, {}},
{305, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is very late */
{300, {}, {{0, 1, DOWN}}},
/* Release key after 1ms */
{301, {{0, 1, UP}}, {}},
{306, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Release key before debounce expires */
{300, {{0, 1, UP}}, {}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is a bit late */
{50, {}, {{0, 1, DOWN}}},
/* Release key after 1ms */
{51, {{0, 1, UP}}, {}},
{56, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}

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/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include "debounce_test_common.h"
TEST_F(DebounceTest, OneKeyShort1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 0ms delay (fast scan rate) */
{5, {{0, 1, UP}}, {}},
{10, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 1ms delay */
{6, {{0, 1, UP}}, {}},
{11, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
/* 2ms delay */
{7, {{0, 1, UP}}, {}},
{12, {}, {{0, 1, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyTooQuick1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Release key exactly on the debounce time */
{5, {{0, 1, UP}}, {}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyTooQuick2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {{0, 1, UP}}, {}},
/* Press key exactly on the debounce time */
{11, {{0, 1, DOWN}}, {}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {}},
{6, {{0, 1, DOWN}}, {}},
{11, {}, {{0, 1, DOWN}}}, /* 5ms after DOWN at time 7 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {{0, 1, UP}}, {}},
{7, {{0, 1, DOWN}}, {}},
{8, {{0, 1, UP}}, {}},
{9, {{0, 1, DOWN}}, {}},
{10, {{0, 1, UP}}, {}},
{15, {}, {{0, 1, UP}}}, /* 5ms after UP at time 10 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyLong) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{25, {{0, 1, UP}}, {}},
{30, {}, {{0, 1, UP}}},
{50, {{0, 1, DOWN}}, {}},
{55, {}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysShort) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 2, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {}, {{0, 2, DOWN}}},
{7, {{0, 1, UP}}, {}},
{8, {{0, 2, UP}}, {}},
{12, {}, {{0, 1, UP}}},
{13, {}, {{0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}, {0, 2, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{6, {{0, 1, UP}, {0, 2, UP}}, {}},
{11, {}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
{1, {{0, 2, DOWN}}, {}},
{5, {}, {{0, 1, DOWN}}},
{6, {{0, 1, UP}}, {{0, 2, DOWN}}},
{7, {{0, 2, UP}}, {}},
{11, {}, {{0, 1, UP}}},
{12, {}, {{0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is very late */
{300, {}, {{0, 1, DOWN}}},
/* Immediately release key */
{300, {{0, 1, UP}}, {}},
{305, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is very late */
{300, {}, {{0, 1, DOWN}}},
/* Release key after 1ms */
{301, {{0, 1, UP}}, {}},
{306, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Release key before debounce expires */
{300, {{0, 1, UP}}, {}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {}},
/* Processing is a bit late */
{50, {}, {{0, 1, DOWN}}},
/* Release key after 1ms */
{51, {{0, 1, UP}}, {}},
{56, {}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}

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/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include "debounce_test_common.h"
TEST_F(DebounceTest, OneKeyShort1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 2ms delay (debounce has not yet finished) */
{7, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 3ms delay (debounce has not yet finished) */
{8, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 4ms delay (debounce has not yet finished) */
{9, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort5) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 5ms delay (debounce has finished) */
{10, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort6) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key after after 6ms delay (debounce has finished) */
{11, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Change twice in the same time period */
{1, {{0, 1, UP}}, {}},
{1, {{0, 1, DOWN}}, {}},
/* Change three times in the same time period */
{2, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{2, {{0, 1, UP}}, {}},
/* Change three times in the same time period */
{3, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{3, {{0, 1, DOWN}}, {}},
/* Change twice in the same time period */
{4, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyLong) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{25, {{0, 1, UP}}, {{0, 1, UP}}},
{50, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysShort) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{2, {{0, 2, DOWN}}, {{0, 2, DOWN}}},
{3, {{0, 2, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{7, {}, {{0, 2, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{9, {{0, 2, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
{12, {}, {{0, 2, DOWN}}}, /* 5ms after UP at time 7 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted */
{300, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1 scan delay */
{300, {}, {}},
{300, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1ms delay */
{300, {}, {}},
{301, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is a bit late but the change will now be accepted */
{50, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan5) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1 scan delay */
{50, {}, {}},
{50, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan6) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1ms delay */
{50, {}, {}},
{51, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}

280
quantum/debounce/tests/sym_eager_pr_tests.cpp Normal file
View file

@ -0,0 +1,280 @@
/* Copyright 2021 Simon Arlott
*
* 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 "gtest/gtest.h"
#include "debounce_test_common.h"
TEST_F(DebounceTest, OneKeyShort1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 2ms delay (debounce has not yet finished) */
{7, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 3ms delay (debounce has not yet finished) */
{8, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 4ms delay (debounce has not yet finished) */
{9, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort5) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 5ms delay (debounce has finished) */
{10, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyShort6) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key after after 6ms delay (debounce has finished) */
{11, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyBouncing2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Change twice in the same time period */
{1, {{0, 1, UP}}, {}},
{1, {{0, 1, DOWN}}, {}},
/* Change three times in the same time period */
{2, {{0, 1, UP}}, {}},
{2, {{0, 1, DOWN}}, {}},
{2, {{0, 1, UP}}, {}},
/* Change three times in the same time period */
{3, {{0, 1, DOWN}}, {}},
{3, {{0, 1, UP}}, {}},
{3, {{0, 1, DOWN}}, {}},
/* Change twice in the same time period */
{4, {{0, 1, UP}}, {}},
{4, {{0, 1, DOWN}}, {}},
{5, {{0, 1, UP}}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
});
runEvents();
}
TEST_F(DebounceTest, OneKeyLong) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{25, {{0, 1, UP}}, {{0, 1, UP}}},
{50, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoRowsShort) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
{2, {{2, 0, DOWN}}, {{2, 0, DOWN}}},
{3, {{2, 0, UP}}, {}},
{5, {}, {{0, 1, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{6, {{0, 1, DOWN}}, {}},
{7, {}, {{2, 0, UP}}},
/* Press key again after 1ms delay (debounce has not yet finished) */
{9, {{2, 0, DOWN}}, {}},
{10, {}, {{0, 1, DOWN}}}, /* 5ms after UP at time 5 */
{12, {}, {{2, 0, DOWN}}}, /* 5ms after UP at time 7 */
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysOverlap) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
{1, {{0, 1, UP}}, {}},
/* Press a second key during the first debounce */
{2, {{0, 2, DOWN}}, {}},
/* Key registers as soon as debounce finishes, 5ms after time 0 */
{5, {}, {{0, 1, UP}, {0, 2, DOWN}}},
{6, {{0, 1, DOWN}}, {}},
/* Key registers as soon as debounce finishes, 5ms after time 5 */
{10, {}, {{0, 1, DOWN}}},
/* Release both keys */
{11, {{0, 1, UP}}, {}},
{12, {{0, 2, UP}}, {}},
/* Keys register as soon as debounce finishes, 5ms after time 10 */
{15, {}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}, {0, 2, DOWN}}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{20, {{0, 1, UP}}, {{0, 1, UP}}},
{21, {{0, 2, UP}}, {}},
/* Key registers as soon as debounce finishes, 5ms after time 20 */
{25, {}, {{0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, TwoKeysSimultaneous2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}, {0, 2, DOWN}}, {{0, 1, DOWN}, {0, 2, DOWN}}},
{20, {{0, 1, UP}, {0, 2, UP}}, {{0, 1, UP}, {0, 2, UP}}},
});
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan1) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted */
{300, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan2) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1 scan delay */
{300, {}, {}},
{300, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan3) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1ms delay */
{300, {}, {}},
{301, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan4) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is a bit late but the change will now be accepted */
{50, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan5) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1 scan delay */
{50, {}, {}},
{50, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}
TEST_F(DebounceTest, OneKeyDelayedScan6) {
addEvents({ /* Time, Inputs, Outputs */
{0, {{0, 1, DOWN}}, {{0, 1, DOWN}}},
/* Processing is very late but the change will now be accepted even with a 1ms delay */
{50, {}, {}},
{51, {{0, 1, UP}}, {{0, 1, UP}}},
});
time_jumps_ = true;
runEvents();
}

5
quantum/debounce/tests/testlist.mk Normal file
View file

@ -0,0 +1,5 @@
TEST_LIST += \
debounce_sym_defer_g \
debounce_sym_defer_pk \
debounce_sym_eager_pk \
debounce_sym_eager_pr

1
testlist.mk
View file

@ -1,6 +1,7 @@
TEST_LIST = $(notdir $(patsubst %/rules.mk,%,$(wildcard $(ROOT_DIR)/tests/*/rules.mk)))
FULL_TESTS := $(TEST_LIST)
include $(ROOT_DIR)/quantum/debounce/tests/testlist.mk
include $(ROOT_DIR)/quantum/sequencer/tests/testlist.mk
include $(ROOT_DIR)/quantum/serial_link/tests/testlist.mk

19
tmk_core/common/arm_atsam/_timer.h Normal file
View file

@ -0,0 +1,19 @@
/* Copyright 2021 Simon Arlott
*
* 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/>.
*/
#pragma once
// The platform is 32-bit, so prefer 32-bit timers to avoid overflow
#define FAST_TIMER_T_SIZE 32

19
tmk_core/common/avr/_timer.h Normal file
View file

@ -0,0 +1,19 @@
/* Copyright 2021 Simon Arlott
*
* 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/>.
*/
#pragma once
// The platform is 8-bit, so prefer 16-bit timers to reduce code size
#define FAST_TIMER_T_SIZE 16

19
tmk_core/common/chibios/_timer.h Normal file
View file

@ -0,0 +1,19 @@
/* Copyright 2021 Simon Arlott
*
* 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/>.
*/
#pragma once
// The platform is 32-bit, so prefer 32-bit timers to avoid overflow
#define FAST_TIMER_T_SIZE 32

24
tmk_core/common/timer.h
View file

@ -1,5 +1,6 @@
/*
Copyright 2011 Jun Wako <wakojun@gmail.com>
Copyright 2021 Simon Arlott
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
@ -17,13 +18,13 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#pragma once
#if __has_include_next("_timer.h")
# include_next "_timer.h" /* Include the platform's _timer.h */
#endif
#include <stdint.h>
#include <stdbool.h>
#if defined(__AVR__)
# include "avr/timer_avr.h"
#endif
#define TIMER_DIFF(a, b, max) ((max == UINT8_MAX) ? ((uint8_t)((a) - (b))) : ((max == UINT16_MAX) ? ((uint16_t)((a) - (b))) : ((max == UINT32_MAX) ? ((uint32_t)((a) - (b))) : ((a) >= (b) ? (a) - (b) : (max) + 1 - (b) + (a)))))
#define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX)
#define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX)
@ -47,6 +48,21 @@ uint32_t timer_elapsed32(uint32_t last);
#define timer_expired(current, future) ((uint16_t)(current - future) < UINT16_MAX / 2)
#define timer_expired32(current, future) ((uint32_t)(current - future) < UINT32_MAX / 2)
// Use an appropriate timer integer size based on architecture (16-bit will overflow sooner)
#if FAST_TIMER_T_SIZE < 32
# define TIMER_DIFF_FAST(a, b) TIMER_DIFF_16(a, b)
# define timer_expired_fast(current, future) timer_expired(current, future)
typedef uint16_t fast_timer_t;
fast_timer_t inline timer_read_fast(void) { return timer_read(); }
fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed(last); }
#else
# define TIMER_DIFF_FAST(a, b) TIMER_DIFF_32(a, b)
# define timer_expired_fast(current, future) timer_expired32(current, future)
typedef uint32_t fast_timer_t;
fast_timer_t inline timer_read_fast(void) { return timer_read32(); }
fast_timer_t inline timer_elapsed_fast(fast_timer_t last) { return timer_elapsed32(last); }
#endif
#ifdef __cplusplus
}
#endif