[Keyboard] Update Symmetric70 keyboard prototype (#12707)
* update handwired/symmetric70_proto/matrix.c * make keyboards/handwired/symmetric70_proto/promicro/ * add symmetric70_proto/debug_config.h, update symmetric70_proto/local_features.mk etc. set MATRIX_IO_DELAY macro make MTEST=mdelay0 symmetric70_proto/promicro:default:flash make MTEST=mdelay1 symmetric70_proto/promicro:default:flash make MTEST=mdelay10 symmetric70_proto/promicro:default:flash make MTEST=mdelay30 symmetric70_proto/promicro:default:flash set DEBUG_MATRIX_SCAN_RATE_ENABLE yes make MTEST=scan symmetric70_proto/promicro:default:flash set MATRIX_DEBUG_DELAY and MATRIX_IO_DELAY macro make MTEST=matrix_debug_delay,mdelay0 symmetric70_proto/promicro:default:flash set MATRIX_DEBUG_SCAN make MTEST=matrix_debug_scan symmetric70_proto/promicro:default:flash * add symmetric70_proto/matrix_debug/readme.md * update symmetric70_proto/matrix_debug/readme.md * update handwired/symmetric70_proto/readme.md * update handwired/symmetric70_proto/readme.md * update handwired/symmetric70_proto/*/readme.md * add handwired/symmetric70_proto/matrix_fast/ * update handwired/symmetric70_proto/matrix_fast/readme.md * fix typo in handwired/symmetric70_proto/matrix_fast/readme.md * update config.h under handwired/symmetric70_proto/promicro * add Proton C support to handwired/symmetric70_proto * add handwired/symmetric70_proto/proton_c/readme.md * add promicro/*/readme.md proton_c/*/readme.md * update handwired/symmetric70_proto/proton_c/proton_c.c support MATRIX_IO_DELAY_DEFAULT for testing. * Added another implementation of 'adaptive_delay'. * update symmetric70_proto/local_features.mk * update symmetric70_proto/matrix_fast/gpio_extr.h * add matrix_output_unselect_delay_ports() * add MTEST=adaptive_delay_fast option * update symmetric70_proto/matrix_debug/readme.md * update symmetric70_proto/matrix_fast/readme.md * update symmetric70_proto/matrix_debug/readme.md * Erase garbage * fix symmetric70_proto/proton_c/proton_c.c * improve adaptive_delay_fast in symmetric70_proto/matrix_debug/matrix.c * update symmetric70_proto/matrix_debug/readme.md * fix symmetric70_proto/matrix_debug/readme.md * Update keyboards/handwired/symmetric70_proto/proton_c/rules.mk Co-authored-by: Ryan <fauxpark@gmail.com> * Update keyboards/handwired/symmetric70_proto/proton_c/rules.mk Co-authored-by: Ryan <fauxpark@gmail.com> * Update keyboards/handwired/symmetric70_proto/local_features.mk Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/local_features.mk Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/matrix.c Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/matrix.c Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/local_features.mk Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/matrix.c Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/readme.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/readme.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_debug/readme.md Co-authored-by: Nick Brassel <nick@tzarc.org> * Update keyboards/handwired/symmetric70_proto/matrix_fast/matrix_config_expand.c Co-authored-by: Nick Brassel <nick@tzarc.org> Co-authored-by: Ryan <fauxpark@gmail.com> Co-authored-by: Nick Brassel <nick@tzarc.org>
This commit is contained in:
parent
6b6ee5fa28
commit
b89abc402b
35 changed files with 1865 additions and 64 deletions
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#pragma once
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// clang-format off
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#if defined(__AVR__)
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# define readPort(port) PINx_ADDRESS(port)
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typedef uint8_t port_data_t;
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#else
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# define readPort(qmk_pin) palReadPort(PAL_PORT(qmk_pin))
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typedef uint16_t port_data_t;
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#endif
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324
keyboards/handwired/symmetric70_proto/matrix_debug/matrix.c
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keyboards/handwired/symmetric70_proto/matrix_debug/matrix.c
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/*
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Copyright 2012-2018 Jun Wako, Jack Humbert, Yiancar
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "util.h"
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#include "matrix.h"
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#include "debounce.h"
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#include "quantum.h"
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#ifndef readPort
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# include "gpio_extr.h"
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#endif
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#ifndef MATRIX_DEBUG_PIN
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# define MATRIX_DEBUG_PIN_INIT()
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# define MATRIX_DEBUG_SCAN_START()
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# define MATRIX_DEBUG_SCAN_END()
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# define MATRIX_DEBUG_DELAY_START()
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# define MATRIX_DEBUG_DELAY_END()
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# define MATRIX_DEBUG_GAP()
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#else
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# define MATRIX_DEBUG_GAP() asm volatile("nop \n nop":::"memory")
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#endif
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#ifndef MATRIX_IO_DELAY_ALWAYS
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# define MATRIX_IO_DELAY_ALWAYS 0
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#endif
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#ifdef DIRECT_PINS
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static pin_t direct_pins[MATRIX_ROWS][MATRIX_COLS] = DIRECT_PINS;
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#elif (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
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static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
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static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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# ifdef MATRIX_MUL_SELECT
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static const pin_t col_sel[MATRIX_COLS] = MATRIX_MUL_SEL;
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# endif
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#endif
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#ifdef MATRIX_IO_DELAY_PORTS
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static const pin_t delay_ports[] = { MATRIX_IO_DELAY_PORTS };
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static const port_data_t delay_masks[] = { MATRIX_IO_DELAY_MASKS };
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# ifdef MATRIX_IO_DELAY_MULSEL
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static const uint8_t delay_sel[] = { MATRIX_IO_DELAY_MULSEL };
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# endif
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#endif
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/* matrix state(1:on, 0:off) */
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extern matrix_row_t raw_matrix[MATRIX_ROWS]; // raw values
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extern matrix_row_t matrix[MATRIX_ROWS]; // debounced values
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static inline void setPinOutput_writeLow(pin_t pin) {
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ATOMIC_BLOCK_FORCEON {
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setPinOutput(pin);
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writePinLow(pin);
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}
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}
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static inline void setPinInputHigh_atomic(pin_t pin) {
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ATOMIC_BLOCK_FORCEON { setPinInputHigh(pin); }
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}
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// matrix code
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#ifdef DIRECT_PINS
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static void init_pins(void) {
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for (int row = 0; row < MATRIX_ROWS; row++) {
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for (int col = 0; col < MATRIX_COLS; col++) {
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pin_t pin = direct_pins[row][col];
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if (pin != NO_PIN) {
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setPinInputHigh(pin);
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}
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}
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}
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}
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static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
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// Start with a clear matrix row
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matrix_row_t current_row_value = 0;
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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pin_t pin = direct_pins[current_row][col_index];
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if (pin != NO_PIN) {
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current_row_value |= readPin(pin) ? 0 : (MATRIX_ROW_SHIFTER << col_index);
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}
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}
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// If the row has changed, store the row and return the changed flag.
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if (current_matrix[current_row] != current_row_value) {
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current_matrix[current_row] = current_row_value;
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return true;
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}
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return false;
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}
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#elif defined(DIODE_DIRECTION)
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# if (DIODE_DIRECTION == COL2ROW)
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static void select_row(uint8_t row) { setPinOutput_writeLow(row_pins[row]); }
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static void unselect_row(uint8_t row) { setPinInputHigh_atomic(row_pins[row]); }
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static void unselect_rows(void) {
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for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
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setPinInputHigh_atomic(row_pins[x]);
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}
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}
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static void init_pins(void) {
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#ifdef MATRIX_MUL_SELECT
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setPinOutput(MATRIX_MUL_SELECT);
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writePinLow(MATRIX_MUL_SELECT);
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#endif
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unselect_rows();
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for (uint8_t x = 0; x < MATRIX_COLS; x++) {
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setPinInputHigh_atomic(col_pins[x]);
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}
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}
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static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row) {
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// Start with a clear matrix row
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matrix_row_t current_row_value = 0;
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// Select row
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select_row(current_row);
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matrix_output_select_delay();
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// For each col...
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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// Select the col pin to read (active low)
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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waitInputPinDelay();
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#endif
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uint8_t pin_state = readPin(col_pins[col_index]);
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// Populate the matrix row with the state of the col pin
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current_row_value |= pin_state ? 0 : (MATRIX_ROW_SHIFTER << col_index);
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}
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// Unselect row
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unselect_row(current_row);
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#ifdef MATRIX_IO_DELAY_PORTS
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if (current_row_value) { // wait for col signal to go HIGH
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bool is_pressed;
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do {
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MATRIX_DEBUG_DELAY_START();
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is_pressed = false;
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for (uint8_t i = 0; i < sizeof(delay_ports)/sizeof(pin_t); i++ ) {
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# ifdef MATRIX_IO_DELAY_MULSEL
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writePin(MATRIX_MUL_SELECT, delay_sel[i]);
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waitInputPinDelay();
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# endif
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is_pressed |= ( (readPort(delay_ports[i]) & delay_masks[i]) != delay_masks[i] );
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}
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MATRIX_DEBUG_DELAY_END();
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} while (is_pressed);
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}
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#endif
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#ifdef MATRIX_IO_DELAY_ADAPTIVE
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if (current_row_value) { // wait for col signal to go HIGH
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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MATRIX_DEBUG_DELAY_START();
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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waitInputPinDelay();
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#endif
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while (readPin(col_pins[col_index]) == 0) {}
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MATRIX_DEBUG_DELAY_END();
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}
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}
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#endif
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#ifdef MATRIX_IO_DELAY_ADAPTIVE2
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if (current_row_value) { // wait for col signal to go HIGH
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pin_t state;
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do {
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MATRIX_DEBUG_DELAY_START();
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state = 0;
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for (uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
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MATRIX_DEBUG_DELAY_END();
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MATRIX_DEBUG_DELAY_START();
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#ifdef MATRIX_MUL_SELECT
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writePin(MATRIX_MUL_SELECT,col_sel[col_index]);
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waitInputPinDelay();
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#endif
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state |= (readPin(col_pins[col_index]) == 0);
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}
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MATRIX_DEBUG_DELAY_END();
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} while (state);
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}
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#endif
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if (MATRIX_IO_DELAY_ALWAYS || current_row + 1 < MATRIX_ROWS) {
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MATRIX_DEBUG_DELAY_START();
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matrix_output_unselect_delay(); // wait for col signal to go HIGH
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MATRIX_DEBUG_DELAY_END();
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}
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// If the row has changed, store the row and return the changed flag.
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if (current_matrix[current_row] != current_row_value) {
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current_matrix[current_row] = current_row_value;
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return true;
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}
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return false;
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}
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# elif (DIODE_DIRECTION == ROW2COL)
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static void select_col(uint8_t col) { setPinOutput_writeLow(col_pins[col]); }
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static void unselect_col(uint8_t col) { setPinInputHigh_atomic(col_pins[col]); }
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static void unselect_cols(void) {
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for (uint8_t x = 0; x < MATRIX_COLS; x++) {
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setPinInputHigh_atomic(col_pins[x]);
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}
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}
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static void init_pins(void) {
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unselect_cols();
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for (uint8_t x = 0; x < MATRIX_ROWS; x++) {
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setPinInputHigh_atomic(row_pins[x]);
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}
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}
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static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) {
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bool matrix_changed = false;
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// Select col
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select_col(current_col);
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matrix_output_select_delay();
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// For each row...
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for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) {
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// Store last value of row prior to reading
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matrix_row_t last_row_value = current_matrix[row_index];
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matrix_row_t current_row_value = last_row_value;
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// Check row pin state
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if (readPin(row_pins[row_index]) == 0) {
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// Pin LO, set col bit
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current_row_value |= (MATRIX_ROW_SHIFTER << current_col);
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} else {
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// Pin HI, clear col bit
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current_row_value &= ~(MATRIX_ROW_SHIFTER << current_col);
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}
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// Determine if the matrix changed state
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if ((last_row_value != current_row_value)) {
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matrix_changed |= true;
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current_matrix[row_index] = current_row_value;
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}
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}
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// Unselect col
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unselect_col(current_col);
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if (MATRIX_IO_DELAY_ALWAYS || current_col + 1 < MATRIX_COLS) {
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matrix_output_unselect_delay(); // wait for col signal to go HIGH
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}
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return matrix_changed;
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}
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# else
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# error DIODE_DIRECTION must be one of COL2ROW or ROW2COL!
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# endif
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#else
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# error DIODE_DIRECTION is not defined!
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#endif
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void matrix_init(void) {
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// initialize key pins
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init_pins();
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// initialize matrix state: all keys off
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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raw_matrix[i] = 0;
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matrix[i] = 0;
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}
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debounce_init(MATRIX_ROWS);
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matrix_init_quantum();
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}
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uint8_t matrix_scan(void) {
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bool changed = false;
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MATRIX_DEBUG_PIN_INIT();
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MATRIX_DEBUG_SCAN_START();
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#if defined(DIRECT_PINS) || (DIODE_DIRECTION == COL2ROW)
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// Set row, read cols
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for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
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changed |= read_cols_on_row(raw_matrix, current_row);
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}
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#elif (DIODE_DIRECTION == ROW2COL)
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// Set col, read rows
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for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
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changed |= read_rows_on_col(raw_matrix, current_col);
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}
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#endif
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MATRIX_DEBUG_SCAN_END(); MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_START();
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debounce(raw_matrix, matrix, MATRIX_ROWS, changed);
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MATRIX_DEBUG_SCAN_END(); MATRIX_DEBUG_GAP();
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MATRIX_DEBUG_SCAN_START();
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matrix_scan_quantum();
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MATRIX_DEBUG_SCAN_END();
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return (uint8_t)changed;
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}
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keyboards/handwired/symmetric70_proto/matrix_debug/readme.md
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keyboards/handwired/symmetric70_proto/matrix_debug/readme.md
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# Debug version matrix.c
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This matrix.c is quantum/matrix.c with the following additions:
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* Added the MATRIX_DEBUG_SCAN_{START/END} macro to measure the execution time of matrix_scan().
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* Added the MATRIX_DEBUG_DELAY_{START/END} macro to measure delay time.
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* Added the MATRIX_MUL_SELECT handling for symmetric70_proto.
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## Compile
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* Set MATRIX_IO_DELAY value
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* `make MTEST=mdelay0 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=1 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=2 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=3 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=4 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=5 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=10 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=20 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=mdelay=30 handwired/symmetric70_proto/promicro/normal:default:flash`
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* Measure the execution time of matrix_scan()
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* `make MTEST=matrix_debug_scan[,<other options>..] handwired/symmetric70_proto/promicro/normal:default:flash`
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* Measure delay time.
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* `make MTEST=matrix_debug_delay[,<other options>..] handwired/symmetric70_proto/promicro/normal:default:flash`
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* Change the behavior of delay
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* `make MTEST=matrix_debug_delay,always_delay handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=matrix_debug_delay,adaptive_delay,mdelay0 handwired/symmetric70_proto/promicro/normal:default:flash`
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* `make MTEST=matrix_debug_delay,adaptive_delay_fast,mdelay0 handwired/symmetric70_proto/promicro/normal:default:flash`
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||||
|
||||
## Measurement result
|
||||
### Pro Micro (ATmega32u4 16Mhz)
|
||||
#### Default setting (show `matrix_scan()` time)
|
||||
- `make MTEST=matrix_debug_scan handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 503us
|
||||
- Frequency of matrix scan 1.81kHz (551.0us)
|
||||

|
||||
|
||||
#### Always call `matrix_output_unselect_delay()` (show `matrix_scan()` time, default MATRIX_IO_DELAY)
|
||||
- `make MTEST=matrix_debug_scan,always_delay handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 521us
|
||||
- Frequency of matrix scan 1.76kHz (568.5us)
|
||||

|
||||
|
||||
#### Adaptive delay (show `matrix_scan()` time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_scan,mdelay0,adaptive_delay handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 383us
|
||||
- Frequency of matrix scan 2.32kHz (431us)
|
||||

|
||||
|
||||
#### Adaptive delay (show delay time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_delay,mdelay0,adaptive_delay handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
|
||||
##### Press R0C1, R1C1 key
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: delay time
|
||||
- Delay time 68us
|
||||
- Frequency of matrix scan 1.77kHz (565us)
|
||||

|
||||
|
||||
#### Fast adaptive delay (show `matrix_scan()` time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_scan,mdelay0,adaptive_delay_fast handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 382us
|
||||
- Frequency of matrix scan 2.33kHz (428us)
|
||||

|
||||
|
||||
#### Fast adaptive delay (show delay time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_delay,mdelay0,adaptive_delay_fast handwired/symmetric70_proto/promicro/normal:default:flash`
|
||||
|
||||
##### Press R0C1, R1C1 key
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: delay time
|
||||
- Delay time 11us
|
||||
- Frequency of matrix scan 2.21kHz (452us)
|
||||

|
||||
|
||||
### Proton C (STM32F303 72MHz)
|
||||
#### Default setting (show `matrix_scan()` time)
|
||||
- `make MTEST=matrix_debug_scan handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 210us
|
||||
- Frequency of matrix scan 4.35kHz (230.0us)
|
||||

|
||||
|
||||
#### Always call `matrix_output_unselect_delay()` (show `matrix_scan()` time, default MATRIX_IO_DELAY)
|
||||
- `make MTEST=matrix_debug_scan,always_delay handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 242us
|
||||
- Frequency of matrix scan 3.85kHz (260.0us)
|
||||

|
||||
|
||||
#### Adaptive delay (show `matrix_scan()` time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_scan,mdelay0,adaptive_delay handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 76.4us
|
||||
- Frequency of matrix scan 10.6kHz (94.4us)
|
||||

|
||||
|
||||
#### Adaptive delay (show delay time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_delay,mdelay0,adaptive_delay handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
|
||||
##### Press R0C1, R1C1 key
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: delay time
|
||||
- Delay time 7.6us
|
||||
- Frequency of matrix scan 9.47kHz (105.6us)
|
||||

|
||||
|
||||
##### Connect a 500pF capacitor between C2 line and GND, Press R0C2, R1C2, R2C2, R3C2, R4C2 keys
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Col 2
|
||||
- CH4: delay time
|
||||
- Delay time 12us + alpha
|
||||
- Frequency of matrix scan 5.45kHz (183us)
|
||||
- Threshold Voltage 1.9V
|
||||

|
||||
|
||||
##### Connect a 1000pF capacitor between C2 line and GND, Press R0C2, R1C2, R2C2, R3C2, R4C2 keys
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Col 2
|
||||
- CH4: delay time
|
||||
- Delay time 20us + alpha
|
||||
- Frequency of matrix scan 4.48kHz (223us)
|
||||
- Threshold Voltage 1.9V
|
||||

|
||||
|
||||
#### Fast adaptive delay (show `matrix_scan()` time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_scan,mdelay0,adaptive_delay_fast handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: matrix_scan()
|
||||
- Execution time of matrix_scan() 75.6us
|
||||
- Frequency of matrix scan 10.8kHz (92.2us)
|
||||

|
||||
|
||||
#### Fast adaptive delay (show delay time, MATRIX_IO_DELAY = 0)
|
||||
- `make MTEST=matrix_debug_delay,mdelay0,adaptive_delay_fast handwired/symmetric70_proto/proton_c/normal:default:flash`
|
||||
|
||||
##### Press R0C1, R1C1 key
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Row 4
|
||||
- CH4: delay time
|
||||
- Delay time 1.6us
|
||||
- Frequency of matrix scan 10.6kHz (94.4us)
|
||||

|
||||

|
||||
|
||||
##### Connect a 500pF capacitor between C2 line and GND, Press R0C2, R1C2, R2C2, R3C2, R4C2 keys
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Col 2
|
||||
- CH4: delay time
|
||||
- Delay time 13.2us
|
||||
- Frequency of matrix scan 6.58kHz (152.6us)
|
||||
- Threshold Voltage 1.9V
|
||||

|
||||
|
||||
##### Connect a 1000pF capacitor between C2 line and GND, Press R0C2, R1C2, R2C2, R3C2, R4C2 keys
|
||||
- CH1: Row 0
|
||||
- CH2: Row 1
|
||||
- CH3: Col 2
|
||||
- CH4: delay time
|
||||
- Delay time 20us
|
||||
- Frequency of matrix scan 5.30kHz (188.8us)
|
||||
- Threshold Voltage 1.9V
|
||||

|
Loading…
Add table
Add a link
Reference in a new issue